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feat(draw/sw): added support for LV_COLOR_FORMAT_L8 (#5800)

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Signed-off-by: pengyiqiang <pengyiqiang@xiaomi.com>
Signed-off-by: qinshijing <qinshijing@xiaomi.com>
Co-authored-by: Zoltan Janosy <zjanosy@fishman.com>
Co-authored-by: Gabor Kiss-Vamosi <kisvegabor@gmail.com>
Co-authored-by: VIFEX <vifextech@foxmail.com>
Co-authored-by: pengyiqiang <pengyiqiang@xiaomi.com>
Co-authored-by: Niklas Fiekas <niklas.fiekas@sartorius.com>
Co-authored-by: qinshijing <51692568+qinshijing@users.noreply.github.com>
Co-authored-by: qinshijing <qinshijing@xiaomi.com>
Co-authored-by: Neo Xu <neo.xu1990@gmail.com>
This commit is contained in:
Zoltan Janosy 2024-04-20 13:14:25 +02:00 committed by GitHub
parent be4a9d1e73
commit abc8a7292a
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GPG Key ID: B5690EEEBB952194
114 changed files with 3033 additions and 83 deletions
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3
.pre-commit-config.yaml
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@ -27,7 +27,8 @@ repos:
exclude: | exclude: |
(?x)^( (?x)^(
src/libs/ | src/libs/ |
src/lv_conf_internal.h src/lv_conf_internal.h |
tests/test_images
) )
types_or: ["c", "header"] types_or: ["c", "header"]
- repo: https://github.com/crate-ci/typos - repo: https://github.com/crate-ci/typos

67
demos/render/assets/img_render_lvgl_logo_l8.c Normal file
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@ -0,0 +1,67 @@
#ifdef __has_include
#if __has_include("lvgl.h")
#ifndef LV_LVGL_H_INCLUDE_SIMPLE
#define LV_LVGL_H_INCLUDE_SIMPLE
#endif
#endif
#endif
#if defined(LV_LVGL_H_INCLUDE_SIMPLE)
#include "lvgl.h"
#else
#include "lvgl/lvgl.h"
#endif
#ifndef LV_ATTRIBUTE_MEM_ALIGN
#define LV_ATTRIBUTE_MEM_ALIGN
#endif
#ifndef LV_ATTRIBUTE_IMG_IMG_RENDER_LVGL_LOGO_L8
#define LV_ATTRIBUTE_IMG_IMG_RENDER_LVGL_LOGO_L8
#endif
const LV_ATTRIBUTE_MEM_ALIGN LV_ATTRIBUTE_LARGE_CONST LV_ATTRIBUTE_IMG_IMG_RENDER_LVGL_LOGO_L8 uint8_t
img_render_lvgl_logo_l8_map[] = {
/*Pixel format: Grayscale 8 bit*/
0xfd,0xfd,0xdf,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xcb,0xed,0xfd,0xfd,
0xfd,0xa8,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x22,0xcf,0xfd,
0xdf,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x46,0xfc,
0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x3f,0xbf,0xb1,0x1d,0x1d,0x1d,0xe7,
0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xb9,0xfd,0xfd,0x8d,0x1d,0x1d,0xe6,
0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x97,0xfd,0xfa,0x67,0x1d,0x1d,0xe6,
0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x72,0x64,0x1d,0x1d,0x1d,0xe6,
0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xe0,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xfd,0xf1,0xe6,0xe6,0xe6,0xe6,0xe6,0xe6,0xe6,0xe1,0x7c,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xfa,0xd2,0xd2,0xd2,0xd2,0xd2,0xd2,0xd2,0xdb,0xfd,0xc7,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xed,0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xd7,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xf2,0xdd,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xfd,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xf1,0xfd,0xfd,0xf0,0xe6,0xe6,0xe6,0xe6,0xe6,0xe6,0xe6,0xde,0x78,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xfa,0xd5,0xd2,0xd2,0xd2,0xd2,0xd2,0xd2,0xdd,0xfd,0xfa,0xd5,0xd2,0xd2,0xd2,0xd2,0xd2,0xd2,0xdd,0xfd,0xc7,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xee,0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xee,0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xe6,
0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0xea,
0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xd2,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xe9,0xcb,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x64,0xfd,
0xd7,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xf2,0xd7,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0x6a,0xf2,0xdc,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x56,0xe1,0xfd,
0xfd,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xee,0xfd,0xfd,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xe9,0xee,0xfd,0xfd,0xed,0xe6,0xe6,0xe6,0xe6,0xe6,0xfa,0xfd,0xfd,
};
const lv_image_dsc_t img_render_lvgl_logo_l8 = {
.header.cf = LV_COLOR_FORMAT_L8,
.header.w = 30,
.header.h = 30,
.data = img_render_lvgl_logo_l8_map,
.data_size = sizeof(img_render_lvgl_logo_l8_map),
};

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demos/render/assets/img_render_lvgl_logo_l8.png Normal file
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52
demos/render/lv_demo_render.c
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@ -1,4 +1,4 @@
/** /**
* @file lv_demo_render.c * @file lv_demo_render.c
* *
*/ */
@ -329,17 +329,20 @@ static lv_obj_t * image_obj_create(lv_obj_t * parent, int32_t col, int32_t row,
} }
static void image_core_cb(lv_obj_t * parent, bool recolor) static void image_core_cb(lv_obj_t * parent, bool recolor, uint32_t startAt)
{ {
LV_IMAGE_DECLARE(img_render_lvgl_logo_xrgb8888); LV_IMAGE_DECLARE(img_render_lvgl_logo_xrgb8888);
LV_IMAGE_DECLARE(img_render_lvgl_logo_rgb888); LV_IMAGE_DECLARE(img_render_lvgl_logo_rgb888);
LV_IMAGE_DECLARE(img_render_lvgl_logo_rgb565); LV_IMAGE_DECLARE(img_render_lvgl_logo_rgb565);
LV_IMAGE_DECLARE(img_render_lvgl_logo_argb8888); LV_IMAGE_DECLARE(img_render_lvgl_logo_argb8888);
LV_IMAGE_DECLARE(img_render_lvgl_logo_l8);
const void * srcs[] = { const void * srcs[] = {
&img_render_lvgl_logo_argb8888, &img_render_lvgl_logo_argb8888,
&img_render_lvgl_logo_xrgb8888, &img_render_lvgl_logo_xrgb8888,
&img_render_lvgl_logo_rgb888, &img_render_lvgl_logo_rgb888,
&img_render_lvgl_logo_rgb565, &img_render_lvgl_logo_rgb565,
&img_render_lvgl_logo_l8,
}; };
const void * names[] = { const void * names[] = {
@ -347,46 +350,49 @@ static void image_core_cb(lv_obj_t * parent, bool recolor)
"XRGB\n8888", "XRGB\n8888",
"RGB\n888", "RGB\n888",
"RGB\n565", "RGB\n565",
"L8",
}; };
uint32_t stopAt = startAt + LV_MIN(sizeof(srcs) / sizeof(void *) - startAt, 4);
uint32_t i; uint32_t i;
for(i = 0; i < 4; i++) { for(i = startAt; i < stopAt; i++) {
lv_obj_t * obj; lv_obj_t * obj;
uint32_t row = i - startAt;
obj = lv_label_create(parent); obj = lv_label_create(parent);
lv_label_set_text(obj, names[i]); lv_label_set_text(obj, names[i]);
add_to_cell(obj, 0, i * 2); add_to_cell(obj, 0, row * 2);
obj = image_obj_create(parent, 1, i * 2, recolor); obj = image_obj_create(parent, 1, row * 2, recolor);
lv_image_set_src(obj, srcs[i]); lv_image_set_src(obj, srcs[i]);
obj = image_obj_create(parent, 2, i * 2, recolor); obj = image_obj_create(parent, 2, row * 2, recolor);
lv_image_set_src(obj, srcs[i]); lv_image_set_src(obj, srcs[i]);
lv_image_set_rotation(obj, 300); lv_image_set_rotation(obj, 300);
lv_image_set_pivot(obj, 0, 0); lv_image_set_pivot(obj, 0, 0);
obj = image_obj_create(parent, 3, i * 2, recolor); obj = image_obj_create(parent, 3, row * 2, recolor);
lv_image_set_src(obj, srcs[i]); lv_image_set_src(obj, srcs[i]);
lv_image_set_scale(obj, 400); lv_image_set_scale(obj, 400);
lv_image_set_pivot(obj, 0, 0); lv_image_set_pivot(obj, 0, 0);
obj = image_obj_create(parent, 4, i * 2, recolor); obj = image_obj_create(parent, 4, row * 2, recolor);
lv_image_set_src(obj, srcs[i]); lv_image_set_src(obj, srcs[i]);
lv_image_set_scale_x(obj, 400); lv_image_set_scale_x(obj, 400);
lv_image_set_pivot(obj, 0, 0); lv_image_set_pivot(obj, 0, 0);
obj = image_obj_create(parent, 5, i * 2, recolor); obj = image_obj_create(parent, 5, row * 2, recolor);
lv_image_set_src(obj, srcs[i]); lv_image_set_src(obj, srcs[i]);
lv_image_set_scale_y(obj, 400); lv_image_set_scale_y(obj, 400);
lv_image_set_pivot(obj, 0, 0); lv_image_set_pivot(obj, 0, 0);
obj = image_obj_create(parent, 6, i * 2, recolor); obj = image_obj_create(parent, 6, row * 2, recolor);
lv_image_set_src(obj, srcs[i]); lv_image_set_src(obj, srcs[i]);
lv_image_set_rotation(obj, 300); lv_image_set_rotation(obj, 300);
lv_image_set_scale(obj, 400); lv_image_set_scale(obj, 400);
lv_image_set_pivot(obj, 0, 0); lv_image_set_pivot(obj, 0, 0);
obj = image_obj_create(parent, 7, i * 2, recolor); obj = image_obj_create(parent, 7, row * 2, recolor);
lv_image_set_src(obj, srcs[i]); lv_image_set_src(obj, srcs[i]);
lv_image_set_scale_y(obj, 400); lv_image_set_scale_y(obj, 400);
lv_image_set_rotation(obj, 300); lv_image_set_rotation(obj, 300);
@ -394,14 +400,24 @@ static void image_core_cb(lv_obj_t * parent, bool recolor)
} }
} }
static void image_normal_cb(lv_obj_t * parent) static void image_normal_1_cb(lv_obj_t * parent)
{ {
image_core_cb(parent, false); image_core_cb(parent, false, 0);
} }
static void image_recolored_cb(lv_obj_t * parent) static void image_recolored_1_cb(lv_obj_t * parent)
{ {
image_core_cb(parent, true); image_core_cb(parent, true, 0);
}
static void image_normal_2_cb(lv_obj_t * parent)
{
image_core_cb(parent, false, 4);
}
static void image_recolored_2_cb(lv_obj_t * parent)
{
image_core_cb(parent, true, 4);
} }
static lv_obj_t * line_obj_create(lv_obj_t * parent, int32_t col, int32_t row, lv_point_precise_t p[]) static lv_obj_t * line_obj_create(lv_obj_t * parent, int32_t col, int32_t row, lv_point_precise_t p[])
@ -827,8 +843,10 @@ static scene_dsc_t scenes[] = {
{.name = "border", .create_cb = border_cb}, {.name = "border", .create_cb = border_cb},
{.name = "box_shadow", .create_cb = box_shadow_cb}, {.name = "box_shadow", .create_cb = box_shadow_cb},
{.name = "text", .create_cb = text_cb}, {.name = "text", .create_cb = text_cb},
{.name = "image_normal", .create_cb = image_normal_cb}, {.name = "image_normal_1", .create_cb = image_normal_1_cb},
{.name = "image_recolor", .create_cb = image_recolored_cb}, {.name = "image_recolor_1", .create_cb = image_recolored_1_cb},
{.name = "image_normal_2", .create_cb = image_normal_2_cb},
{.name = "image_recolor_2", .create_cb = image_recolored_2_cb},
{.name = "line", .create_cb = line_cb}, {.name = "line", .create_cb = line_cb},
{.name = "arc_normal", .create_cb = arc_normal_cb}, {.name = "arc_normal", .create_cb = arc_normal_cb},
{.name = "arc_image", .create_cb = arc_image_cb}, {.name = "arc_image", .create_cb = arc_image_cb},

8
demos/render/lv_demo_render.h
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@ -1,4 +1,4 @@
/** /**
* @file lv_demo_render.h * @file lv_demo_render.h
* *
*/ */
@ -33,8 +33,10 @@ typedef enum {
LV_DEMO_RENDER_SCENE_BORDER, LV_DEMO_RENDER_SCENE_BORDER,
LV_DEMO_RENDER_SCENE_BOX_SHADOW, LV_DEMO_RENDER_SCENE_BOX_SHADOW,
LV_DEMO_RENDER_SCENE_TEXT, LV_DEMO_RENDER_SCENE_TEXT,
LV_DEMO_RENDER_SCENE_IMAGE_NORMAL, LV_DEMO_RENDER_SCENE_IMAGE_NORMAL_1,
LV_DEMO_RENDER_SCENE_IMAGE_RECOLOR, LV_DEMO_RENDER_SCENE_IMAGE_RECOLOR_1,
LV_DEMO_RENDER_SCENE_IMAGE_NORMAL_2,
LV_DEMO_RENDER_SCENE_IMAGE_RECOLOR_2,
LV_DEMO_RENDER_SCENE_LINE, LV_DEMO_RENDER_SCENE_LINE,
LV_DEMO_RENDER_SCENE_ARC_NORMAL, LV_DEMO_RENDER_SCENE_ARC_NORMAL,
LV_DEMO_RENDER_SCENE_ARC_IMAGE, LV_DEMO_RENDER_SCENE_ARC_IMAGE,

92
examples/assets/img_star.c
View File

@ -1,55 +1,63 @@
#include "../../lvgl.h" #ifdef __has_include
#if __has_include("lvgl.h")
#ifndef LV_LVGL_H_INCLUDE_SIMPLE
#define LV_LVGL_H_INCLUDE_SIMPLE
#endif
#endif
#endif
#if defined(LV_LVGL_H_INCLUDE_SIMPLE)
#include "lvgl.h"
#else
#include "lvgl/lvgl.h"
#endif
#if LV_BUILD_EXAMPLES
#ifndef LV_ATTRIBUTE_MEM_ALIGN #ifndef LV_ATTRIBUTE_MEM_ALIGN
#define LV_ATTRIBUTE_MEM_ALIGN #define LV_ATTRIBUTE_MEM_ALIGN
#endif #endif
#ifndef LV_ATTRIBUTE_IMAGE_IMG_STAR #ifndef LV_ATTRIBUTE_IMAGE_IMG_STAR
#define LV_ATTRIBUTE_IMAGE_IMG_STAR #define LV_ATTRIBUTE_IMAGE_IMG_STAR
#endif #endif
const LV_ATTRIBUTE_MEM_ALIGN LV_ATTRIBUTE_LARGE_CONST LV_ATTRIBUTE_IMAGE_IMG_STAR uint8_t img_star_map[] = { const LV_ATTRIBUTE_MEM_ALIGN LV_ATTRIBUTE_LARGE_CONST LV_ATTRIBUTE_IMAGE_IMG_STAR uint8_t img_star_map[] = {
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}; };
const lv_image_dsc_t img_star = { const lv_image_dsc_t img_star = {
.header.w = 30, .header.cf = LV_COLOR_FORMAT_ARGB8888,
.header.h = 29, .header.magic = LV_IMAGE_HEADER_MAGIC,
.header.stride = 120, .header.w = 30,
.header.cf = LV_COLOR_FORMAT_ARGB8888, .header.h = 29,
.data = img_star_map, .data_size = 870 * 4,
.data_size = sizeof(img_star_map), .data = img_star_map,
}; };
#endif /* LV_BUILD_EXAMPLES */

2
examples/widgets/canvas/lv_example_canvas_5.c
View File

@ -1,4 +1,4 @@
#include "../../lv_examples.h" #include "../../lv_examples.h"
#if LV_USE_CANVAS && LV_BUILD_EXAMPLES #if LV_USE_CANVAS && LV_BUILD_EXAMPLES
#define CANVAS_WIDTH 50 #define CANVAS_WIDTH 50

4
examples/widgets/canvas/lv_example_canvas_6.c
View File

@ -1,4 +1,4 @@
#include "../../lv_examples.h" #include "../../lv_examples.h"
#if LV_USE_CANVAS && LV_BUILD_EXAMPLES #if LV_USE_CANVAS && LV_BUILD_EXAMPLES
#define CANVAS_WIDTH 50 #define CANVAS_WIDTH 50
@ -29,5 +29,7 @@ void lv_example_canvas_6(void)
lv_area_t coords = {10, 10, 10 + img_star.header.w - 1, 10 + img_star.header.h - 1}; lv_area_t coords = {10, 10, 10 + img_star.header.w - 1, 10 + img_star.header.h - 1};
lv_draw_image(&layer, &dsc, &coords); lv_draw_image(&layer, &dsc, &coords);
lv_canvas_finish_layer(canvas, &layer);
} }
#endif #endif

15
scripts/LVGLImage.py
View File

@ -819,6 +819,16 @@ const lv_image_dsc_t {varname} = {{
rawdata += row rawdata += row
self.set_data(cf, w, h, rawdata) self.set_data(cf, w, h, rawdata)
def sRGB_to_linear(self, x):
if x < 0.04045:
return x / 12.92
return pow((x + 0.055) / 1.055, 2.4)
def linear_to_sRGB(self, y):
if y <= 0.0031308:
return 12.92 * y
return 1.055 * pow(y, 1 / 2.4) - 0.055
def _png_to_luma_only(self, cf: ColorFormat, filename: str): def _png_to_luma_only(self, cf: ColorFormat, filename: str):
reader = png.Reader(str(filename)) reader = png.Reader(str(filename))
@ -831,8 +841,11 @@ const lv_image_dsc_t {varname} = {{
A = row[3::4] A = row[3::4]
for r, g, b, a in zip(R, G, B, A): for r, g, b, a in zip(R, G, B, A):
r, g, b, a = color_pre_multiply(r, g, b, a, self.background) r, g, b, a = color_pre_multiply(r, g, b, a, self.background)
r = self.sRGB_to_linear(r / 255.0)
g = self.sRGB_to_linear(g / 255.0)
b = self.sRGB_to_linear(b / 255.0)
luma = 0.2126 * r + 0.7152 * g + 0.0722 * b luma = 0.2126 * r + 0.7152 * g + 0.0722 * b
rawdata += uint8_t(int(luma)) rawdata += uint8_t(int(self.linear_to_sRGB(luma) * 255))
self.set_data(ColorFormat.L8, w, h, rawdata) self.set_data(ColorFormat.L8, w, h, rawdata)

16
src/draw/sw/blend/lv_draw_sw_blend.c
View File

@ -1,4 +1,4 @@
/** /**
* @file lv_draw_sw_blend.c * @file lv_draw_sw_blend.c
* *
*/ */
@ -7,6 +7,8 @@
* INCLUDES * INCLUDES
*********************/ *********************/
#include "../lv_draw_sw.h" #include "../lv_draw_sw.h"
#include "lv_draw_sw_blend_to_l8.h"
#include "lv_draw_sw_blend_to_al88.h"
#include "lv_draw_sw_blend_to_rgb565.h" #include "lv_draw_sw_blend_to_rgb565.h"
#include "lv_draw_sw_blend_to_argb8888.h" #include "lv_draw_sw_blend_to_argb8888.h"
#include "lv_draw_sw_blend_to_rgb888.h" #include "lv_draw_sw_blend_to_rgb888.h"
@ -83,6 +85,12 @@ void lv_draw_sw_blend(lv_draw_unit_t * draw_unit, const lv_draw_sw_blend_dsc_t *
case LV_COLOR_FORMAT_XRGB8888: case LV_COLOR_FORMAT_XRGB8888:
lv_draw_sw_blend_color_to_rgb888(&fill_dsc, 4); lv_draw_sw_blend_color_to_rgb888(&fill_dsc, 4);
break; break;
case LV_COLOR_FORMAT_L8:
lv_draw_sw_blend_color_to_l8(&fill_dsc);
break;
case LV_COLOR_FORMAT_AL88:
lv_draw_sw_blend_color_to_al88(&fill_dsc);
break;
default: default:
break; break;
} }
@ -142,6 +150,12 @@ void lv_draw_sw_blend(lv_draw_unit_t * draw_unit, const lv_draw_sw_blend_dsc_t *
case LV_COLOR_FORMAT_XRGB8888: case LV_COLOR_FORMAT_XRGB8888:
lv_draw_sw_blend_image_to_rgb888(&image_dsc, 4); lv_draw_sw_blend_image_to_rgb888(&image_dsc, 4);
break; break;
case LV_COLOR_FORMAT_L8:
lv_draw_sw_blend_image_to_l8(&image_dsc);
break;
case LV_COLOR_FORMAT_AL88:
lv_draw_sw_blend_image_to_al88(&image_dsc);
break;
default: default:
break; break;
} }

871
src/draw/sw/blend/lv_draw_sw_blend_to_al88.c Normal file
View File

@ -0,0 +1,871 @@
/**
* @file lv_draw_sw_blend_al88.c
*
*/
/*********************
* INCLUDES
*********************/
#include "lv_draw_sw_blend_to_al88.h"
#if LV_USE_DRAW_SW
#include "lv_draw_sw_blend.h"
#include "../../../misc/lv_math.h"
#include "../../../display/lv_display.h"
#include "../../../core/lv_refr.h"
#include "../../../misc/lv_color.h"
#include "../../../stdlib/lv_string.h"
#if LV_USE_DRAW_SW_ASM == LV_DRAW_SW_ASM_NEON
#include "neon/lv_blend_neon.h"
#elif LV_USE_DRAW_SW_ASM == LV_DRAW_SW_ASM_HELIUM
#include "helium/lv_blend_helium.h"
#elif LV_USE_DRAW_SW_ASM == LV_DRAW_SW_ASM_CUSTOM
#include LV_DRAW_SW_ASM_CUSTOM_INCLUDE
#endif
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
typedef struct {
lv_color16a_t fg_saved;
lv_color16a_t bg_saved;
lv_color16a_t res_saved;
lv_opa_t res_alpha_saved;
lv_opa_t ratio_saved;
} lv_color_mix_alpha_cache_t;
/**********************
* STATIC PROTOTYPES
**********************/
static void /* LV_ATTRIBUTE_FAST_MEM */ l8_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc);
static void /* LV_ATTRIBUTE_FAST_MEM */ al88_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc);
static void /* LV_ATTRIBUTE_FAST_MEM */ rgb565_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc);
static void /* LV_ATTRIBUTE_FAST_MEM */ rgb888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc,
const uint8_t src_px_size);
static void /* LV_ATTRIBUTE_FAST_MEM */ argb8888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc);
static void lv_color_mix_with_alpha_cache_init(lv_color_mix_alpha_cache_t * cache);
static inline void /* LV_ATTRIBUTE_FAST_MEM */ blend_non_normal_pixel(lv_color16a_t * dest, lv_color16a_t src,
lv_blend_mode_t mode, lv_color_mix_alpha_cache_t * cache);
static inline void * /* LV_ATTRIBUTE_FAST_MEM */ drawbuf_next_row(const void * buf, uint32_t stride);
static inline bool lv_color16a_eq(lv_color16a_t c1, lv_color16a_t c2);
static inline lv_color16a_t LV_ATTRIBUTE_FAST_MEM lv_color_mix16a(lv_color16a_t fg, lv_color16a_t bg);
static inline void LV_ATTRIBUTE_FAST_MEM lv_color_16a_16a_mix(lv_color16a_t src, lv_color16a_t * dest,
lv_color_mix_alpha_cache_t * cache);
/**********************
* STATIC VARIABLES
**********************/
/**********************
* MACROS
**********************/
#ifndef LV_DRAW_SW_COLOR_BLEND_TO_AL88
#define LV_DRAW_SW_COLOR_BLEND_TO_AL88(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_COLOR_BLEND_TO_AL88_WITH_OPA
#define LV_DRAW_SW_COLOR_BLEND_TO_AL88_WITH_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_COLOR_BLEND_TO_AL88_WITH_MASK
#define LV_DRAW_SW_COLOR_BLEND_TO_AL88_WITH_MASK(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_COLOR_BLEND_TO_AL88_MIX_MASK_OPA
#define LV_DRAW_SW_COLOR_BLEND_TO_AL88_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_AL88
#define LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_AL88(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_AL88_WITH_OPA
#define LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_AL88_WITH_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_AL88_WITH_MASK
#define LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_AL88_WITH_MASK(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_AL88_MIX_MASK_OPA
#define LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_AL88_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_AL88
#define LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_AL88(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_AL88_WITH_OPA
#define LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_AL88_WITH_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_AL88_WITH_MASK
#define LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_AL88_WITH_MASK(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_AL88_MIX_MASK_OPA
#define LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_AL88_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_ARGB8888_BLEND_NORMAL_TO_AL88
#define LV_DRAW_SW_ARGB8888_BLEND_NORMAL_TO_AL88(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_ARGB8888_BLEND_NORMAL_TO_AL88_WITH_OPA
#define LV_DRAW_SW_ARGB8888_BLEND_NORMAL_TO_AL88_WITH_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_ARGB8888_BLEND_NORMAL_TO_AL88_WITH_MASK
#define LV_DRAW_SW_ARGB8888_BLEND_NORMAL_TO_AL88_WITH_MASK(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_ARGB8888_BLEND_NORMAL_TO_AL88_MIX_MASK_OPA
#define LV_DRAW_SW_ARGB8888_BLEND_NORMAL_TO_AL88_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_AL88_BLEND_NORMAL_TO_AL88
#define LV_DRAW_SW_AL88_BLEND_NORMAL_TO_AL88(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_AL88_BLEND_NORMAL_TO_AL88_WITH_OPA
#define LV_DRAW_SW_AL88_BLEND_NORMAL_TO_AL88_WITH_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_AL88_BLEND_NORMAL_TO_AL88_WITH_MASK
#define LV_DRAW_SW_AL88_BLEND_NORMAL_TO_AL88_WITH_MASK(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_AL88_BLEND_NORMAL_TO_AL88_MIX_MASK_OPA
#define LV_DRAW_SW_AL88_BLEND_NORMAL_TO_AL88_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif
/**********************
* GLOBAL FUNCTIONS
**********************/
void LV_ATTRIBUTE_FAST_MEM lv_draw_sw_blend_color_to_al88(_lv_draw_sw_blend_fill_dsc_t * dsc)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
const lv_opa_t * mask = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
int32_t dest_stride = dsc->dest_stride;
lv_color_mix_alpha_cache_t cache;
lv_color_mix_with_alpha_cache_init(&cache);
int32_t x;
int32_t y;
LV_UNUSED(w);
LV_UNUSED(h);
LV_UNUSED(x);
LV_UNUSED(y);
LV_UNUSED(opa);
LV_UNUSED(mask);
LV_UNUSED(mask_stride);
LV_UNUSED(dest_stride);
/*Simple fill*/
if(mask == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_COLOR_BLEND_TO_AL88(dsc)) {
lv_color16a_t color16a;
color16a.lumi = lv_color_luminance(dsc->color);
color16a.alpha = 255;
lv_color16a_t * dest_buf = dsc->dest_buf;
for(y = 0; y < h; y++) {
for(x = 0; x < w - 16; x += 16) {
dest_buf[x + 0] = color16a;
dest_buf[x + 1] = color16a;
dest_buf[x + 2] = color16a;
dest_buf[x + 3] = color16a;
dest_buf[x + 4] = color16a;
dest_buf[x + 5] = color16a;
dest_buf[x + 6] = color16a;
dest_buf[x + 7] = color16a;
dest_buf[x + 8] = color16a;
dest_buf[x + 9] = color16a;
dest_buf[x + 10] = color16a;
dest_buf[x + 11] = color16a;
dest_buf[x + 12] = color16a;
dest_buf[x + 13] = color16a;
dest_buf[x + 14] = color16a;
dest_buf[x + 15] = color16a;
}
for(; x < w; x ++) {
dest_buf[x] = color16a;
}
dest_buf = drawbuf_next_row(dest_buf, dest_stride);
}
}
}
/*Opacity only*/
else if(mask == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_COLOR_BLEND_TO_AL88_WITH_OPA(dsc)) {
lv_color16a_t color16a;
color16a.lumi = lv_color_luminance(dsc->color);
color16a.alpha = opa;
lv_color16a_t * dest_buf = dsc->dest_buf;
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color_16a_16a_mix(color16a, &dest_buf[x], &cache);
}
dest_buf = drawbuf_next_row(dest_buf, dest_stride);
}
}
}
/*Masked with full opacity*/
else if(mask && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_COLOR_BLEND_TO_AL88_WITH_MASK(dsc)) {
lv_color16a_t color16a;
color16a.lumi = lv_color_luminance(dsc->color);
lv_color16a_t * dest_buf = (lv_color16a_t *)dsc->dest_buf;
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
color16a.alpha = mask[x];
lv_color_16a_16a_mix(color16a, &dest_buf[x], &cache);
}
dest_buf = drawbuf_next_row(dest_buf, dest_stride);
mask += mask_stride;
}
}
}
/*Masked with opacity*/
else {
if(LV_RESULT_INVALID == LV_DRAW_SW_COLOR_BLEND_TO_AL88_MIX_MASK_OPA(dsc)) {
lv_color16a_t color16a;
color16a.lumi = lv_color_luminance(dsc->color);
lv_color16a_t * dest_buf = (lv_color16a_t *)dsc->dest_buf;
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
color16a.alpha = LV_OPA_MIX2(mask[x], opa);
lv_color_16a_16a_mix(color16a, &dest_buf[x], &cache);
}
dest_buf = drawbuf_next_row(dest_buf, dest_stride);
mask += mask_stride;
}
}
}
}
void LV_ATTRIBUTE_FAST_MEM lv_draw_sw_blend_image_to_al88(_lv_draw_sw_blend_image_dsc_t * dsc)
{
switch(dsc->src_color_format) {
case LV_COLOR_FORMAT_RGB565:
rgb565_image_blend(dsc);
break;
case LV_COLOR_FORMAT_RGB888:
rgb888_image_blend(dsc, 3);
break;
case LV_COLOR_FORMAT_XRGB8888:
rgb888_image_blend(dsc, 4);
break;
case LV_COLOR_FORMAT_ARGB8888:
argb8888_image_blend(dsc);
break;
case LV_COLOR_FORMAT_L8:
l8_image_blend(dsc);
break;
case LV_COLOR_FORMAT_AL88:
al88_image_blend(dsc);
break;
default:
LV_LOG_WARN("Not supported source color format");
break;
}
}
/**********************
* STATIC FUNCTIONS
**********************/
static void LV_ATTRIBUTE_FAST_MEM l8_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
lv_color16a_t * dest_buf_al88 = dsc->dest_buf;
int32_t dest_stride = dsc->dest_stride;
const uint8_t * src_buf_l8 = dsc->src_buf;
int32_t src_stride = dsc->src_stride;
const lv_opa_t * mask_buf = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
lv_color_mix_alpha_cache_t cache;
lv_color_mix_with_alpha_cache_init(&cache);
int32_t x, y;
if(dsc->blend_mode == LV_BLEND_MODE_NORMAL) {
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_AL88(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
dest_buf_al88[x].lumi = src_buf_l8[x];
dest_buf_al88[x].alpha = 255;
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
}
}
}
else if(mask_buf == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_AL88_WITH_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color;
src_color.lumi = src_buf_l8[x];
src_color.alpha = opa;
lv_color_16a_16a_mix(src_color, &dest_buf_al88[x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
}
}
}
else if(mask_buf && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_AL88_WITH_MASK(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color;
src_color.lumi = src_buf_l8[x];
src_color.alpha = mask_buf[x];
lv_color_16a_16a_mix(src_color, &dest_buf_al88[x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
mask_buf += mask_stride;
}
}
}
else if(mask_buf && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_AL88_MIX_MASK_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color;
src_color.lumi = src_buf_l8[x];
src_color.alpha = LV_OPA_MIX2(mask_buf[x], opa);
lv_color_16a_16a_mix(src_color, &dest_buf_al88[x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
mask_buf += mask_stride;
}
}
}
}
else {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color;
src_color.lumi = src_buf_l8[x];
if(mask_buf == NULL) src_color.alpha = opa;
else src_color.alpha = LV_OPA_MIX2(mask_buf[x], opa);
blend_non_normal_pixel(&dest_buf_al88[x], src_color, dsc->blend_mode, &cache);
}
if(mask_buf) mask_buf += mask_stride;
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
}
}
}
static void LV_ATTRIBUTE_FAST_MEM al88_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
lv_color16a_t * dest_buf_al88 = dsc->dest_buf;
int32_t dest_stride = dsc->dest_stride;
const lv_color16a_t * src_buf_al88 = dsc->src_buf;
int32_t src_stride = dsc->src_stride;
const lv_opa_t * mask_buf = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
lv_color_mix_alpha_cache_t cache;
lv_color_mix_with_alpha_cache_init(&cache);
int32_t x, y;
if(dsc->blend_mode == LV_BLEND_MODE_NORMAL) {
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_AL88(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color_16a_16a_mix(src_buf_al88[x], &dest_buf_al88[x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
}
}
}
else if(mask_buf == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_AL88_WITH_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color = src_buf_al88[x];
src_color.alpha = LV_OPA_MIX2(src_color.alpha, opa);
lv_color_16a_16a_mix(src_color, &dest_buf_al88[x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
}
}
}
else if(mask_buf && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_AL88_WITH_MASK(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color = src_buf_al88[x];
src_color.alpha = LV_OPA_MIX2(src_color.alpha, mask_buf[x]);
lv_color_16a_16a_mix(src_color, &dest_buf_al88[x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
mask_buf += mask_stride;
}
}
}
else if(mask_buf && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_AL88_MIX_MASK_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color = src_buf_al88[x];
src_color.alpha = LV_OPA_MIX3(src_color.alpha, mask_buf[x], opa);
lv_color_16a_16a_mix(src_color, &dest_buf_al88[x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
mask_buf += mask_stride;
}
}
}
}
else {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color = src_buf_al88[x];
if(mask_buf == NULL) src_color.alpha = LV_OPA_MIX2(src_color.alpha, opa);
else src_color.alpha = LV_OPA_MIX3(src_color.alpha, mask_buf[x], opa);
blend_non_normal_pixel(&dest_buf_al88[x], src_color, dsc->blend_mode, &cache);
}
if(mask_buf) mask_buf += mask_stride;
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
}
}
}
static void LV_ATTRIBUTE_FAST_MEM rgb565_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
lv_color16a_t * dest_buf_al88 = dsc->dest_buf;
int32_t dest_stride = dsc->dest_stride;
const lv_color16_t * src_buf_c16 = (const lv_color16_t *)dsc->src_buf;
int32_t src_stride = dsc->src_stride;
const lv_opa_t * mask_buf = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
lv_color_mix_alpha_cache_t cache;
lv_color_mix_with_alpha_cache_init(&cache);
int32_t x, y;
if(dsc->blend_mode == LV_BLEND_MODE_NORMAL) {
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_AL88(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
dest_buf_al88[x].lumi = lv_color16_luminance(src_buf_c16[x]);
dest_buf_al88[x].alpha = 255;
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_c16 = drawbuf_next_row(src_buf_c16, src_stride);
}
}
}
else if(mask_buf == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_AL88_WITH_OPA(dsc, dest_px_size)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color;
src_color.lumi = lv_color16_luminance(src_buf_c16[x]);
src_color.alpha = opa;
lv_color_16a_16a_mix(src_color, &dest_buf_al88[x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_c16 = drawbuf_next_row(src_buf_c16, src_stride);
}
}
}
else if(mask_buf && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_AL88_WITH_MASK(dsc, dest_px_size)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color;
src_color.lumi = lv_color16_luminance(src_buf_c16[x]);
src_color.alpha = mask_buf[x];
lv_color_16a_16a_mix(src_color, &dest_buf_al88[x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_c16 = drawbuf_next_row(src_buf_c16, src_stride);
mask_buf += mask_stride;
}
}
}
else {
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_AL88_MIX_MASK_OPA(dsc, dest_px_size)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color;
src_color.lumi = lv_color16_luminance(src_buf_c16[x]);
src_color.alpha = LV_OPA_MIX2(mask_buf[x], opa);
lv_color_16a_16a_mix(src_color, &dest_buf_al88[x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_c16 = drawbuf_next_row(src_buf_c16, src_stride);
mask_buf += mask_stride;
}
}
}
}
else {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color;
src_color.lumi = lv_color16_luminance(src_buf_c16[x]);
if(mask_buf == NULL) src_color.alpha = opa;
else src_color.alpha = LV_OPA_MIX2(mask_buf[x], opa);
blend_non_normal_pixel(&dest_buf_al88[x], src_color, dsc->blend_mode, &cache);
}
if(mask_buf) mask_buf += mask_stride;
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_c16 = drawbuf_next_row(src_buf_c16, src_stride);
}
}
}
static void LV_ATTRIBUTE_FAST_MEM rgb888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc,
const uint8_t src_px_size)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
lv_color16a_t * dest_buf_al88 = dsc->dest_buf;
int32_t dest_stride = dsc->dest_stride;
const uint8_t * src_buf_u8 = dsc->src_buf;
int32_t src_stride = dsc->src_stride;
const lv_opa_t * mask_buf = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
lv_color_mix_alpha_cache_t cache;
lv_color_mix_with_alpha_cache_init(&cache);
int32_t dest_x;
int32_t src_x;
int32_t y;
if(dsc->blend_mode == LV_BLEND_MODE_NORMAL) {
/*Special case*/
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_AL88(dsc, src_px_size)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; dest_x < w; dest_x++, src_x += src_px_size) {
dest_buf_al88[dest_x].lumi = lv_color24_luminance(&src_buf_u8[src_x]);
dest_buf_al88[dest_x].alpha = 255;
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_u8 += src_stride;
}
}
}
if(mask_buf == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_AL88_WITH_OPA(dsc, dest_px_size, src_px_size)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; dest_x < w; dest_x++, src_x += src_px_size) {
lv_color16a_t src_color;
src_color.lumi = lv_color24_luminance(&src_buf_u8[src_x]);
src_color.alpha = opa;
lv_color_16a_16a_mix(src_color, &dest_buf_al88[dest_x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_u8 += src_stride;
}
}
}
if(mask_buf && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_AL88_WITH_MASK(dsc, dest_px_size, src_px_size)) {
uint32_t mask_x;
for(y = 0; y < h; y++) {
for(mask_x = 0, dest_x = 0, src_x = 0; dest_x < w; mask_x++, dest_x++, src_x += src_px_size) {
lv_color16a_t src_color;
src_color.lumi = lv_color24_luminance(&src_buf_u8[src_x]);
src_color.alpha = mask_buf[mask_x];
lv_color_16a_16a_mix(src_color, &dest_buf_al88[dest_x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_u8 += src_stride;
mask_buf += mask_stride;
}
}
}
if(mask_buf && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_AL88_MIX_MASK_OPA(dsc, dest_px_size, src_px_size)) {
uint32_t mask_x;
for(y = 0; y < h; y++) {
for(mask_x = 0, dest_x = 0, src_x = 0; dest_x < w; mask_x++, dest_x++, src_x += src_px_size) {
lv_color16a_t src_color;
src_color.lumi = lv_color24_luminance(&src_buf_u8[src_x]);
src_color.alpha = LV_OPA_MIX2(mask_buf[mask_x], opa);
lv_color_16a_16a_mix(src_color, &dest_buf_al88[dest_x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_u8 += src_stride;
mask_buf += mask_stride;
}
}
}
}
else {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; dest_x < w; dest_x++, src_x += src_px_size) {
lv_color16a_t src_color;
src_color.lumi = lv_color24_luminance(&src_buf_u8[src_x]);
if(mask_buf == NULL) src_color.alpha = opa;
else src_color.alpha = LV_OPA_MIX2(mask_buf[dest_x], opa);
blend_non_normal_pixel(&dest_buf_al88[dest_x], src_color, dsc->blend_mode, &cache);
}
if(mask_buf) mask_buf += mask_stride;
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_u8 += src_stride;
}
}
}
static void LV_ATTRIBUTE_FAST_MEM argb8888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
lv_color16a_t * dest_buf_al88 = dsc->dest_buf;
int32_t dest_stride = dsc->dest_stride;
const lv_color32_t * src_buf_c32 = dsc->src_buf;
int32_t src_stride = dsc->src_stride;
const lv_opa_t * mask_buf = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
lv_color_mix_alpha_cache_t cache;
lv_color_mix_with_alpha_cache_init(&cache);
int32_t x;
int32_t y;
if(dsc->blend_mode == LV_BLEND_MODE_NORMAL) {
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_ARGB8888_BLEND_NORMAL_TO_AL88(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color;
src_color.lumi = lv_color32_luminance(src_buf_c32[x]);
src_color.alpha = src_buf_c32[x].alpha;
lv_color_16a_16a_mix(src_color, &dest_buf_al88[x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_c32 = drawbuf_next_row(src_buf_c32, src_stride);
}
}
}
else if(mask_buf == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_ARGB8888_BLEND_NORMAL_TO_AL88_WITH_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color;
src_color.lumi = lv_color32_luminance(src_buf_c32[x]);
src_color.alpha = LV_OPA_MIX2(src_buf_c32[x].alpha, opa);
lv_color_16a_16a_mix(src_color, &dest_buf_al88[x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_c32 = drawbuf_next_row(src_buf_c32, src_stride);
}
}
}
else if(mask_buf && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_ARGB8888_BLEND_NORMAL_TO_AL88_WITH_MASK(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color;
src_color.lumi = lv_color32_luminance(src_buf_c32[x]);
src_color.alpha = LV_OPA_MIX2(src_buf_c32[x].alpha, mask_buf[x]);
lv_color_16a_16a_mix(src_color, &dest_buf_al88[x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_c32 = drawbuf_next_row(src_buf_c32, src_stride);
mask_buf += mask_stride;
}
}
}
else if(mask_buf && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_ARGB8888_BLEND_NORMAL_TO_AL88_MIX_MASK_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color;
src_color.lumi = lv_color32_luminance(src_buf_c32[x]);
src_color.alpha = LV_OPA_MIX3(src_buf_c32[x].alpha, mask_buf[x], opa);
lv_color_16a_16a_mix(src_color, &dest_buf_al88[x], &cache);
}
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_c32 = drawbuf_next_row(src_buf_c32, src_stride);
mask_buf += mask_stride;
}
}
}
}
else {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color16a_t src_color;
src_color.lumi = lv_color32_luminance(src_buf_c32[x]);
src_color.alpha = src_buf_c32[x].alpha;
if(mask_buf == NULL) src_color.alpha = LV_OPA_MIX2(src_color.alpha, opa);
else src_color.alpha = LV_OPA_MIX3(src_color.alpha, mask_buf[x], opa);
blend_non_normal_pixel(&dest_buf_al88[x], src_color, dsc->blend_mode, &cache);
}
if(mask_buf) mask_buf += mask_stride;
dest_buf_al88 = drawbuf_next_row(dest_buf_al88, dest_stride);
src_buf_c32 = drawbuf_next_row(src_buf_c32, src_stride);
}
}
}
/**
* Check if two AL88 colors are equal
* @param c1 the first color
* @param c2 the second color
* @return true: equal
*/
static inline bool lv_color16a_eq(lv_color16a_t c1, lv_color16a_t c2)
{
return *((uint16_t *)&c1) == *((uint16_t *)&c2);
}
static inline lv_color16a_t LV_ATTRIBUTE_FAST_MEM lv_color_mix16a(lv_color16a_t fg, lv_color16a_t bg)
{
#if 0
if(fg.alpha >= LV_OPA_MAX) {
fg.alpha = bg.alpha;
return fg;
}
if(fg.alpha <= LV_OPA_MIN) {
return bg;
}
#endif
bg.lumi = (uint32_t)((uint32_t)fg.lumi * fg.alpha + (uint32_t)bg.lumi * (255 - fg.alpha)) >> 8;
return bg;
}
static inline void LV_ATTRIBUTE_FAST_MEM lv_color_16a_16a_mix(lv_color16a_t fg, lv_color16a_t * bg,
lv_color_mix_alpha_cache_t * cache)
{
/*Pick the foreground if it's fully opaque or the Background is fully transparent*/
if(fg.alpha >= LV_OPA_MAX || bg->alpha <= LV_OPA_MIN) {
*bg = fg;
}
/*Transparent foreground: use the Background*/
else if(fg.alpha <= LV_OPA_MIN) {
/* no need to copy */
}
/*Opaque background: use simple mix*/
else if(bg->alpha == 255) {
*bg = lv_color_mix16a(fg, *bg);
}
/*Both colors have alpha. Expensive calculation needs to be applied*/
else {
/*Save the parameters and the result. If they will be asked again don't compute again*/
/*Update the ratio and the result alpha value if the input alpha values change*/
if(bg->alpha != cache->bg_saved.alpha || fg.alpha != cache->fg_saved.alpha) {
/*Info:
* https://en.wikipedia.org/wiki/Alpha_compositing#Analytical_derivation_of_the_over_operator*/
cache->res_alpha_saved = 255 - LV_OPA_MIX2(255 - fg.alpha, 255 - bg->alpha);
LV_ASSERT(cache->res_alpha_saved != 0);
cache->ratio_saved = (uint32_t)((uint32_t)fg.alpha * 255) / cache->res_alpha_saved;
}
if(!lv_color16a_eq(*bg, cache->bg_saved) || !lv_color16a_eq(fg, cache->fg_saved)) {
cache->fg_saved = fg;
cache->bg_saved = *bg;
fg.alpha = cache->ratio_saved;
cache->res_saved = lv_color_mix16a(fg, *bg);
cache->res_saved.alpha = cache->res_alpha_saved;
}
*bg = cache->res_saved;
}
}
void lv_color_mix_with_alpha_cache_init(lv_color_mix_alpha_cache_t * cache)
{
lv_memzero(&cache->fg_saved, sizeof(lv_color16a_t));
lv_memzero(&cache->bg_saved, sizeof(lv_color16a_t));
lv_memzero(&cache->res_saved, sizeof(lv_color16a_t));
cache->res_alpha_saved = 255;
cache->ratio_saved = 255;
}
static inline void LV_ATTRIBUTE_FAST_MEM blend_non_normal_pixel(lv_color16a_t * dest, lv_color16a_t src,
lv_blend_mode_t mode, lv_color_mix_alpha_cache_t * cache)
{
lv_color16a_t res;
switch(mode) {
case LV_BLEND_MODE_ADDITIVE:
res.lumi = LV_MIN(dest->lumi + src.lumi, 255);
break;
case LV_BLEND_MODE_SUBTRACTIVE:
res.lumi = LV_MAX(dest->lumi - src.lumi, 0);
break;
case LV_BLEND_MODE_MULTIPLY:
res.lumi = (dest->lumi * src.lumi) >> 8;
break;
default:
LV_LOG_WARN("Not supported blend mode: %d", mode);
return;
}
res.alpha = src.alpha;
lv_color_16a_16a_mix(res, dest, cache);
}
static inline void * LV_ATTRIBUTE_FAST_MEM drawbuf_next_row(const void * buf, uint32_t stride)
{
return (void *)((uint8_t *)buf + stride);
}
#endif

45
src/draw/sw/blend/lv_draw_sw_blend_to_al88.h Normal file
View File

@ -0,0 +1,45 @@
/**
* @file lv_draw_sw_blend_al88.h
*
*/
#ifndef LV_DRAW_SW_BLEND_AL88_H
#define LV_DRAW_SW_BLEND_AL88_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "../lv_draw_sw.h"
#if LV_USE_DRAW_SW
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* GLOBAL PROTOTYPES
**********************/
void /* LV_ATTRIBUTE_FAST_MEM */ lv_draw_sw_blend_color_to_al88(_lv_draw_sw_blend_fill_dsc_t * dsc);
void /* LV_ATTRIBUTE_FAST_MEM */ lv_draw_sw_blend_image_to_al88(_lv_draw_sw_blend_image_dsc_t * dsc);
/**********************
* MACROS
**********************/
#endif /*LV_USE_DRAW_SW*/
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*LV_DRAW_SW_BLEND_AL88_H*/

246
src/draw/sw/blend/lv_draw_sw_blend_to_argb8888.c
View File

@ -1,4 +1,4 @@
/** /**
* @file lv_draw_sw_blend.c * @file lv_draw_sw_blend.c
* *
*/ */
@ -44,6 +44,10 @@ typedef struct {
* STATIC PROTOTYPES * STATIC PROTOTYPES
**********************/ **********************/
static void /* LV_ATTRIBUTE_FAST_MEM */ al88_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc);
static void /* LV_ATTRIBUTE_FAST_MEM */ l8_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc);
static void /* LV_ATTRIBUTE_FAST_MEM */ rgb565_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc); static void /* LV_ATTRIBUTE_FAST_MEM */ rgb565_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc);
static void /* LV_ATTRIBUTE_FAST_MEM */ rgb888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc, static void /* LV_ATTRIBUTE_FAST_MEM */ rgb888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc,
@ -51,6 +55,8 @@ static void /* LV_ATTRIBUTE_FAST_MEM */ rgb888_image_blend(_lv_draw_sw_blend_ima
static void /* LV_ATTRIBUTE_FAST_MEM */ argb8888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc); static void /* LV_ATTRIBUTE_FAST_MEM */ argb8888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc);
static inline void /* LV_ATTRIBUTE_FAST_MEM */ lv_color_8_32_mix(const uint8_t src, lv_color32_t * dest, uint8_t mix);
static inline lv_color32_t /* LV_ATTRIBUTE_FAST_MEM */ lv_color_32_32_mix(lv_color32_t fg, lv_color32_t bg, static inline lv_color32_t /* LV_ATTRIBUTE_FAST_MEM */ lv_color_32_32_mix(lv_color32_t fg, lv_color32_t bg,
lv_color_mix_alpha_cache_t * cache); lv_color_mix_alpha_cache_t * cache);
@ -84,6 +90,38 @@ static inline void * /* LV_ATTRIBUTE_FAST_MEM */ drawbuf_next_row(const void * b
#define LV_DRAW_SW_COLOR_BLEND_TO_ARGB8888_MIX_MASK_OPA(...) LV_RESULT_INVALID #define LV_DRAW_SW_COLOR_BLEND_TO_ARGB8888_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif #endif
#ifndef LV_DRAW_SW_L8_BLEND_NORMAL_TO_ARGB8888
#define LV_DRAW_SW_L8_BLEND_NORMAL_TO_ARGB8888(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_L8_BLEND_NORMAL_TO_ARGB8888_WITH_OPA
#define LV_DRAW_SW_L8_BLEND_NORMAL_TO_ARGB8888_WITH_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_L8_BLEND_NORMAL_TO_ARGB8888_WITH_MASK
#define LV_DRAW_SW_L8_BLEND_NORMAL_TO_ARGB8888_WITH_MASK(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_L8_BLEND_NORMAL_TO_ARGB8888_MIX_MASK_OPA
#define LV_DRAW_SW_L8_BLEND_NORMAL_TO_ARGB8888_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_AL88_BLEND_NORMAL_TO_ARGB8888
#define LV_DRAW_SW_AL88_BLEND_NORMAL_TO_ARGB8888(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_AL88_BLEND_NORMAL_TO_ARGB8888_WITH_OPA
#define LV_DRAW_SW_AL88_BLEND_NORMAL_TO_ARGB8888_WITH_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_AL88_BLEND_NORMAL_TO_ARGB8888_WITH_MASK
#define LV_DRAW_SW_AL88_BLEND_NORMAL_TO_ARGB8888_WITH_MASK(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_AL88_BLEND_NORMAL_TO_ARGB8888_MIX_MASK_OPA
#define LV_DRAW_SW_AL88_BLEND_NORMAL_TO_ARGB8888_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_ARGB8888 #ifndef LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_ARGB8888
#define LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_ARGB8888(...) LV_RESULT_INVALID #define LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_ARGB8888(...) LV_RESULT_INVALID
#endif #endif
@ -260,6 +298,12 @@ void LV_ATTRIBUTE_FAST_MEM lv_draw_sw_blend_image_to_argb8888(_lv_draw_sw_blend_
case LV_COLOR_FORMAT_ARGB8888: case LV_COLOR_FORMAT_ARGB8888:
argb8888_image_blend(dsc); argb8888_image_blend(dsc);
break; break;
case LV_COLOR_FORMAT_L8:
l8_image_blend(dsc);
break;
case LV_COLOR_FORMAT_AL88:
al88_image_blend(dsc);
break;
default: default:
LV_LOG_WARN("Not supported source color format"); LV_LOG_WARN("Not supported source color format");
break; break;
@ -270,6 +314,185 @@ void LV_ATTRIBUTE_FAST_MEM lv_draw_sw_blend_image_to_argb8888(_lv_draw_sw_blend_
* STATIC FUNCTIONS * STATIC FUNCTIONS
**********************/ **********************/
static void LV_ATTRIBUTE_FAST_MEM al88_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
lv_color32_t * dest_buf_c32 = dsc->dest_buf;
int32_t dest_stride = dsc->dest_stride;
const lv_color16a_t * src_buf_al88 = dsc->src_buf;
int32_t src_stride = dsc->src_stride;
const lv_opa_t * mask_buf = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
int32_t dest_x;
int32_t src_x;
int32_t y;
if(dsc->blend_mode == LV_BLEND_MODE_NORMAL) {
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_ARGB8888(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
/*
dest_buf_c32[dest_x].alpha = src_buf_al88[src_x].alpha;
dest_buf_c32[dest_x].red = src_buf_al88[src_x].lumi;
dest_buf_c32[dest_x].green = src_buf_al88[src_x].lumi;
dest_buf_c32[dest_x].blue = src_buf_al88[src_x].lumi;
*/
lv_color_8_32_mix(src_buf_al88[src_x].lumi, &dest_buf_c32[dest_x], src_buf_al88[src_x].alpha);
}
dest_buf_c32 = drawbuf_next_row(dest_buf_c32, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
}
}
}
else if(mask_buf == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_ARGB8888_WITH_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
lv_color_8_32_mix(src_buf_al88[src_x].lumi, &dest_buf_c32[dest_x], LV_OPA_MIX2(src_buf_al88[src_x].alpha, opa));
}
dest_buf_c32 = drawbuf_next_row(dest_buf_c32, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
}
}
}
else if(mask_buf && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_ARGB8888_WITH_MASK(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
lv_color_8_32_mix(src_buf_al88[src_x].lumi, &dest_buf_c32[dest_x], LV_OPA_MIX2(src_buf_al88[src_x].alpha,
mask_buf[src_x]));
}
dest_buf_c32 = drawbuf_next_row(dest_buf_c32, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
mask_buf += mask_stride;
}
}
}
else if(mask_buf && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_ARGB8888_MIX_MASK_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
lv_color_8_32_mix(src_buf_al88[src_x].lumi, &dest_buf_c32[dest_x], LV_OPA_MIX3(src_buf_al88[src_x].alpha,
mask_buf[src_x], opa));
}
dest_buf_c32 = drawbuf_next_row(dest_buf_c32, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
mask_buf += mask_stride;
}
}
}
}
else {
lv_color32_t src_argb;
lv_color_mix_alpha_cache_t cache;
lv_color_mix_with_alpha_cache_init(&cache);
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
src_argb.red = src_buf_al88[src_x].lumi;
src_argb.green = src_buf_al88[src_x].lumi;
src_argb.blue = src_buf_al88[src_x].lumi;
if(mask_buf == NULL) src_argb.alpha = LV_OPA_MIX2(src_buf_al88[src_x].alpha, opa);
else src_argb.alpha = LV_OPA_MIX3(src_buf_al88[src_x].alpha, mask_buf[dest_x], opa);
blend_non_normal_pixel(&dest_buf_c32[dest_x], src_argb, dsc->blend_mode, &cache);
}
if(mask_buf) mask_buf += mask_stride;
dest_buf_c32 = drawbuf_next_row(dest_buf_c32, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
}
}
}
static void LV_ATTRIBUTE_FAST_MEM l8_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
lv_color32_t * dest_buf_c32 = dsc->dest_buf;
int32_t dest_stride = dsc->dest_stride;
const uint8_t * src_buf_l8 = dsc->src_buf;
int32_t src_stride = dsc->src_stride;
const lv_opa_t * mask_buf = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
int32_t dest_x;
int32_t src_x;
int32_t y;
if(dsc->blend_mode == LV_BLEND_MODE_NORMAL) {
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_ARGB8888(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
dest_buf_c32[dest_x].alpha = src_buf_l8[src_x];
dest_buf_c32[dest_x].red = src_buf_l8[src_x];
dest_buf_c32[dest_x].green = src_buf_l8[src_x];
dest_buf_c32[dest_x].blue = src_buf_l8[src_x];
}
dest_buf_c32 = drawbuf_next_row(dest_buf_c32, dest_stride);
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
}
}
}
else if(mask_buf == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_ARGB8888_WITH_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
lv_color_8_32_mix(src_buf_l8[src_x], &dest_buf_c32[dest_x], opa);
}
dest_buf_c32 = drawbuf_next_row(dest_buf_c32, dest_stride);
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
}
}
}
else if(mask_buf && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_ARGB8888_WITH_MASK(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
lv_color_8_32_mix(src_buf_l8[src_x], &dest_buf_c32[dest_x], mask_buf[src_x]);
}
dest_buf_c32 = drawbuf_next_row(dest_buf_c32, dest_stride);
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
mask_buf += mask_stride;
}
}
}
else if(mask_buf && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_ARGB8888_MIX_MASK_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
lv_color_8_32_mix(src_buf_l8[src_x], &dest_buf_c32[dest_x], LV_OPA_MIX2(mask_buf[src_x], opa));
}
dest_buf_c32 = drawbuf_next_row(dest_buf_c32, dest_stride);
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
mask_buf += mask_stride;
}
}
}
}
else {
lv_color32_t src_argb;
lv_color_mix_alpha_cache_t cache;
lv_color_mix_with_alpha_cache_init(&cache);
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
src_argb.red = src_buf_l8[src_x];
src_argb.green = src_buf_l8[src_x];
src_argb.blue = src_buf_l8[src_x];
if(mask_buf == NULL) src_argb.alpha = opa;
else src_argb.alpha = LV_OPA_MIX2(mask_buf[dest_x], opa);
blend_non_normal_pixel(&dest_buf_c32[dest_x], src_argb, dsc->blend_mode, &cache);
}
if(mask_buf) mask_buf += mask_stride;
dest_buf_c32 = drawbuf_next_row(dest_buf_c32, dest_stride);
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
}
}
}
static void LV_ATTRIBUTE_FAST_MEM rgb565_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc) static void LV_ATTRIBUTE_FAST_MEM rgb565_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc)
{ {
int32_t w = dsc->dest_w; int32_t w = dsc->dest_w;
@ -571,6 +794,25 @@ static void LV_ATTRIBUTE_FAST_MEM argb8888_image_blend(_lv_draw_sw_blend_image_d
} }
} }
static inline void LV_ATTRIBUTE_FAST_MEM lv_color_8_32_mix(const uint8_t src, lv_color32_t * dest, uint8_t mix)
{
if(mix == 0) return;
dest->alpha = 255;
if(mix >= LV_OPA_MAX) {
dest->red = src;
dest->green = src;
dest->blue = src;
}
else {
lv_opa_t mix_inv = 255 - mix;
dest->red = (uint32_t)((uint32_t)src * mix + dest->red * mix_inv) >> 8;
dest->green = (uint32_t)((uint32_t)src * mix + dest->green * mix_inv) >> 8;
dest->blue = (uint32_t)((uint32_t)src * mix + dest->blue * mix_inv) >> 8;
}
}
static inline lv_color32_t LV_ATTRIBUTE_FAST_MEM lv_color_32_32_mix(lv_color32_t fg, lv_color32_t bg, static inline lv_color32_t LV_ATTRIBUTE_FAST_MEM lv_color_32_32_mix(lv_color32_t fg, lv_color32_t bg,
lv_color_mix_alpha_cache_t * cache) lv_color_mix_alpha_cache_t * cache)
{ {
@ -595,7 +837,7 @@ static inline lv_color32_t LV_ATTRIBUTE_FAST_MEM lv_color_32_32_mix(lv_color32_t
/*Info: /*Info:
* https://en.wikipedia.org/wiki/Alpha_compositing#Analytical_derivation_of_the_over_operator*/ * https://en.wikipedia.org/wiki/Alpha_compositing#Analytical_derivation_of_the_over_operator*/
cache->res_alpha_saved = 255 - LV_OPA_MIX2(255 - fg.alpha, 255 - bg.alpha); cache->res_alpha_saved = 255 - LV_OPA_MIX2(255 - fg.alpha, 255 - bg.alpha);
LV_ASSERT(cache->ratio_saved != 0); LV_ASSERT(cache->res_alpha_saved != 0);
cache->ratio_saved = (uint32_t)((uint32_t)fg.alpha * 255) / cache->res_alpha_saved; cache->ratio_saved = (uint32_t)((uint32_t)fg.alpha * 255) / cache->res_alpha_saved;
} }

734
src/draw/sw/blend/lv_draw_sw_blend_to_l8.c Normal file
View File

@ -0,0 +1,734 @@
/**
* @file lv_draw_sw_blend_l8.c
*
*/
/*********************
* INCLUDES
*********************/
#include "lv_draw_sw_blend_to_l8.h"
#if LV_USE_DRAW_SW
#include "lv_draw_sw_blend.h"
#include "../../../misc/lv_math.h"
#include "../../../display/lv_display.h"
#include "../../../core/lv_refr.h"
#include "../../../misc/lv_color.h"
#include "../../../stdlib/lv_string.h"
#if LV_USE_DRAW_SW_ASM == LV_DRAW_SW_ASM_NEON
#include "neon/lv_blend_neon.h"
#elif LV_USE_DRAW_SW_ASM == LV_DRAW_SW_ASM_HELIUM
#include "helium/lv_blend_helium.h"
#elif LV_USE_DRAW_SW_ASM == LV_DRAW_SW_ASM_CUSTOM
#include LV_DRAW_SW_ASM_CUSTOM_INCLUDE
#endif
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* STATIC PROTOTYPES
**********************/
static void /* LV_ATTRIBUTE_FAST_MEM */ l8_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc);
static void /* LV_ATTRIBUTE_FAST_MEM */ al88_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc);
static void /* LV_ATTRIBUTE_FAST_MEM */ rgb565_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc);
static void /* LV_ATTRIBUTE_FAST_MEM */ rgb888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc,
const uint8_t src_px_size);
static void /* LV_ATTRIBUTE_FAST_MEM */ argb8888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc);
static inline void /* LV_ATTRIBUTE_FAST_MEM */ lv_color_8_8_mix(const uint8_t src, uint8_t * dest, uint8_t mix);
static inline void /* LV_ATTRIBUTE_FAST_MEM */ blend_non_normal_pixel(uint8_t * dest, lv_color32_t src,
lv_blend_mode_t mode);
static inline void * /* LV_ATTRIBUTE_FAST_MEM */ drawbuf_next_row(const void * buf, uint32_t stride);
/**********************
* STATIC VARIABLES
**********************/
/**********************
* MACROS
**********************/
#ifndef LV_DRAW_SW_COLOR_BLEND_TO_L8
#define LV_DRAW_SW_COLOR_BLEND_TO_L8(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_COLOR_BLEND_TO_L8_WITH_OPA
#define LV_DRAW_SW_COLOR_BLEND_TO_L8_WITH_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_COLOR_BLEND_TO_L8_WITH_MASK
#define LV_DRAW_SW_COLOR_BLEND_TO_L8_WITH_MASK(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_COLOR_BLEND_TO_L8_MIX_MASK_OPA
#define LV_DRAW_SW_COLOR_BLEND_TO_L8_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_L8
#define LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_L8(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_L8_WITH_OPA
#define LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_L8_WITH_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_L8_WITH_MASK
#define LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_L8_WITH_MASK(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_L8_MIX_MASK_OPA
#define LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_L8_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_L8
#define LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_L8(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_L8_WITH_OPA
#define LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_L8_WITH_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_L8_WITH_MASK
#define LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_L8_WITH_MASK(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_L8_MIX_MASK_OPA
#define LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_L8_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_L8_BLEND_NORMAL_TO_L8
#define LV_DRAW_SW_L8_BLEND_NORMAL_TO_L8(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_L8_BLEND_NORMAL_TO_L8_WITH_OPA
#define LV_DRAW_SW_L8_BLEND_NORMAL_TO_L8_WITH_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_L8_BLEND_NORMAL_TO_L8_WITH_MASK
#define LV_DRAW_SW_L8_BLEND_NORMAL_TO_L8_WITH_MASK(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_L8_BLEND_NORMAL_TO_L8_MIX_MASK_OPA
#define LV_DRAW_SW_L8_BLEND_NORMAL_TO_L8_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_AL88_BLEND_NORMAL_TO_L8
#define LV_DRAW_SW_AL88_BLEND_NORMAL_TO_L8(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_AL88_BLEND_NORMAL_TO_L8_WITH_OPA
#define LV_DRAW_SW_AL88_BLEND_NORMAL_TO_L8_WITH_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_AL88_BLEND_NORMAL_TO_L8_WITH_MASK
#define LV_DRAW_SW_AL88_BLEND_NORMAL_TO_L8_WITH_MASK(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_AL88_BLEND_NORMAL_TO_L8_MIX_MASK_OPA
#define LV_DRAW_SW_AL88_BLEND_NORMAL_TO_L8_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif
/**********************
* GLOBAL FUNCTIONS
**********************/
void LV_ATTRIBUTE_FAST_MEM lv_draw_sw_blend_color_to_l8(_lv_draw_sw_blend_fill_dsc_t * dsc)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
const lv_opa_t * mask = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
int32_t dest_stride = dsc->dest_stride;
int32_t x;
int32_t y;
LV_UNUSED(w);
LV_UNUSED(h);
LV_UNUSED(x);
LV_UNUSED(y);
LV_UNUSED(opa);
LV_UNUSED(mask);
LV_UNUSED(mask_stride);
LV_UNUSED(dest_stride);
/*Simple fill*/
if(mask == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_COLOR_BLEND_TO_L8(dsc)) {
uint8_t color8 = lv_color_luminance(dsc->color);
uint8_t * dest_buf = dsc->dest_buf;
for(y = 0; y < h; y++) {
for(x = 0; x < w - 16; x += 16) {
dest_buf[x + 0] = color8;
dest_buf[x + 1] = color8;
dest_buf[x + 2] = color8;
dest_buf[x + 3] = color8;
dest_buf[x + 4] = color8;
dest_buf[x + 5] = color8;
dest_buf[x + 6] = color8;
dest_buf[x + 7] = color8;
dest_buf[x + 8] = color8;
dest_buf[x + 9] = color8;
dest_buf[x + 10] = color8;
dest_buf[x + 11] = color8;
dest_buf[x + 12] = color8;
dest_buf[x + 13] = color8;
dest_buf[x + 14] = color8;
dest_buf[x + 15] = color8;
}
for(; x < w; x ++) {
dest_buf[x] = color8;
}
dest_buf = drawbuf_next_row(dest_buf, dest_stride);
}
}
}
/*Opacity only*/
else if(mask == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_COLOR_BLEND_TO_L8_WITH_OPA(dsc)) {
uint8_t color8 = lv_color_luminance(dsc->color);
uint8_t * dest_buf = dsc->dest_buf;
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color_8_8_mix(color8, &dest_buf[x], opa);
}
dest_buf = drawbuf_next_row(dest_buf, dest_stride);
}
}
}
/*Masked with full opacity*/
else if(mask && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_COLOR_BLEND_TO_L8_WITH_MASK(dsc)) {
uint8_t color8 = lv_color_luminance(dsc->color);
uint8_t * dest_buf = dsc->dest_buf;
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color_8_8_mix(color8, &dest_buf[x], mask[x]);
}
dest_buf = drawbuf_next_row(dest_buf, dest_stride);
mask += mask_stride;
}
}
}
/*Masked with opacity*/
else {
if(LV_RESULT_INVALID == LV_DRAW_SW_COLOR_BLEND_TO_L8_MIX_MASK_OPA(dsc)) {
uint8_t color8 = lv_color_luminance(dsc->color);
uint8_t * dest_buf = dsc->dest_buf;
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color_8_8_mix(color8, &dest_buf[x], LV_OPA_MIX2(mask[x], opa));
}
dest_buf = drawbuf_next_row(dest_buf, dest_stride);
mask += mask_stride;
}
}
}
}
void LV_ATTRIBUTE_FAST_MEM lv_draw_sw_blend_image_to_l8(_lv_draw_sw_blend_image_dsc_t * dsc)
{
switch(dsc->src_color_format) {
case LV_COLOR_FORMAT_RGB565:
rgb565_image_blend(dsc);
break;
case LV_COLOR_FORMAT_RGB888:
rgb888_image_blend(dsc, 3);
break;
case LV_COLOR_FORMAT_XRGB8888:
rgb888_image_blend(dsc, 4);
break;
case LV_COLOR_FORMAT_ARGB8888:
argb8888_image_blend(dsc);
break;
case LV_COLOR_FORMAT_L8:
l8_image_blend(dsc);
break;
case LV_COLOR_FORMAT_AL88:
al88_image_blend(dsc);
break;
default:
LV_LOG_WARN("Not supported source color format");
break;
}
}
/**********************
* STATIC FUNCTIONS
**********************/
static void LV_ATTRIBUTE_FAST_MEM l8_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
uint8_t * dest_buf_l8 = dsc->dest_buf;
int32_t dest_stride = dsc->dest_stride;
const uint8_t * src_buf_l8 = dsc->src_buf;
int32_t src_stride = dsc->src_stride;
const lv_opa_t * mask_buf = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
int32_t dest_x;
int32_t src_x;
int32_t y;
if(dsc->blend_mode == LV_BLEND_MODE_NORMAL) {
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_L8(dsc)) {
for(y = 0; y < h; y++) {
lv_memcpy(dest_buf_l8, src_buf_l8, w);
dest_buf_l8 = drawbuf_next_row(dest_buf_l8, dest_stride);
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
}
}
}
else if(mask_buf == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_L8_WITH_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
lv_color_8_8_mix(src_buf_l8[src_x], &dest_buf_l8[dest_x], opa);
}
dest_buf_l8 = drawbuf_next_row(dest_buf_l8, dest_stride);
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
}
}
}
else if(mask_buf && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_L8_WITH_MASK(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
lv_color_8_8_mix(src_buf_l8[src_x], &dest_buf_l8[dest_x], mask_buf[src_x]);
}
dest_buf_l8 = drawbuf_next_row(dest_buf_l8, dest_stride);
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
mask_buf += mask_stride;
}
}
}
else if(mask_buf && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_L8_MIX_MASK_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
lv_color_8_8_mix(src_buf_l8[src_x], &dest_buf_l8[dest_x], LV_OPA_MIX2(mask_buf[src_x], opa));
}
dest_buf_l8 = drawbuf_next_row(dest_buf_l8, dest_stride);
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
mask_buf += mask_stride;
}
}
}
}
else {
lv_color32_t src_argb;
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
src_argb.red = src_buf_l8[src_x];
src_argb.green = src_buf_l8[src_x];
src_argb.blue = src_buf_l8[src_x];
if(mask_buf == NULL) src_argb.alpha = opa;
else src_argb.alpha = LV_OPA_MIX2(mask_buf[dest_x], opa);
blend_non_normal_pixel(&dest_buf_l8[dest_x], src_argb, dsc->blend_mode);
}
if(mask_buf) mask_buf += mask_stride;
dest_buf_l8 = drawbuf_next_row(dest_buf_l8, dest_stride);
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
}
}
}
static void LV_ATTRIBUTE_FAST_MEM al88_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
uint8_t * dest_buf_l8 = dsc->dest_buf;
int32_t dest_stride = dsc->dest_stride;
const lv_color16a_t * src_buf_al88 = dsc->src_buf;
int32_t src_stride = dsc->src_stride;
const lv_opa_t * mask_buf = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
int32_t dest_x;
int32_t src_x;
int32_t y;
if(dsc->blend_mode == LV_BLEND_MODE_NORMAL) {
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_L8(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
lv_color_8_8_mix(src_buf_al88[src_x].lumi, &dest_buf_l8[dest_x], src_buf_al88[src_x].alpha);
}
dest_buf_l8 = drawbuf_next_row(dest_buf_l8, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
}
}
}
else if(mask_buf == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_L8_WITH_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
lv_color_8_8_mix(src_buf_al88[src_x].lumi, &dest_buf_l8[dest_x], LV_OPA_MIX2(src_buf_al88[src_x].alpha, opa));
}
dest_buf_l8 = drawbuf_next_row(dest_buf_l8, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
}
}
}
else if(mask_buf && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_L8_WITH_MASK(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
lv_color_8_8_mix(src_buf_al88[src_x].lumi, &dest_buf_l8[dest_x], LV_OPA_MIX2(src_buf_al88[src_x].alpha,
mask_buf[src_x]));
}
dest_buf_l8 = drawbuf_next_row(dest_buf_l8, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
mask_buf += mask_stride;
}
}
}
else if(mask_buf && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_L8_MIX_MASK_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
lv_color_8_8_mix(src_buf_al88[src_x].lumi, &dest_buf_l8[dest_x], LV_OPA_MIX3(src_buf_al88[src_x].alpha, mask_buf[src_x],
opa));
}
dest_buf_l8 = drawbuf_next_row(dest_buf_l8, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
mask_buf += mask_stride;
}
}
}
}
else {
lv_color32_t src_argb;
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x++, src_x++) {
src_argb.red = src_buf_al88[src_x].lumi;
src_argb.green = src_buf_al88[src_x].lumi;
src_argb.blue = src_buf_al88[src_x].lumi;
if(mask_buf == NULL) src_argb.alpha = opa;
else src_argb.alpha = LV_OPA_MIX2(mask_buf[dest_x], opa);
blend_non_normal_pixel(&dest_buf_l8[dest_x], src_argb, dsc->blend_mode);
}
if(mask_buf) mask_buf += mask_stride;
dest_buf_l8 = drawbuf_next_row(dest_buf_l8, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
}
}
}
static void LV_ATTRIBUTE_FAST_MEM rgb565_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
uint8_t * dest_buf_u8 = dsc->dest_buf;
int32_t dest_stride = dsc->dest_stride;
const lv_color16_t * src_buf_c16 = (const lv_color16_t *)dsc->src_buf;
int32_t src_stride = dsc->src_stride;
const lv_opa_t * mask_buf = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
int32_t src_x;
int32_t dest_x;
int32_t y;
if(dsc->blend_mode == LV_BLEND_MODE_NORMAL) {
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_L8(dsc)) {
for(y = 0; y < h; y++) {
for(src_x = 0, dest_x = 0; src_x < w; dest_x++, src_x++) {
dest_buf_u8[dest_x] = lv_color16_luminance(src_buf_c16[src_x]);
}
dest_buf_u8 += dest_stride;
src_buf_c16 = drawbuf_next_row(src_buf_c16, src_stride);
}
}
}
else if(mask_buf == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_L8_WITH_OPA(dsc, dest_px_size)) {
for(y = 0; y < h; y++) {
for(src_x = 0, dest_x = 0; src_x < w; dest_x++, src_x++) {
lv_color_8_8_mix(lv_color16_luminance(src_buf_c16[src_x]), &dest_buf_u8[dest_x], opa);
}
dest_buf_u8 += dest_stride;
src_buf_c16 = drawbuf_next_row(src_buf_c16, src_stride);
}
}
}
else if(mask_buf && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_L8_WITH_MASK(dsc, dest_px_size)) {
for(y = 0; y < h; y++) {
for(src_x = 0, dest_x = 0; src_x < w; dest_x++, src_x++) {
lv_color_8_8_mix(lv_color16_luminance(src_buf_c16[src_x]), &dest_buf_u8[dest_x], mask_buf[src_x]);
}
dest_buf_u8 += dest_stride;
src_buf_c16 = drawbuf_next_row(src_buf_c16, src_stride);
mask_buf += mask_stride;
}
}
}
else {
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_L8_MIX_MASK_OPA(dsc, dest_px_size)) {
for(y = 0; y < h; y++) {
for(src_x = 0, dest_x = 0; src_x < w; dest_x++, src_x++) {
lv_color_8_8_mix(lv_color16_luminance(src_buf_c16[src_x]), &dest_buf_u8[dest_x], LV_OPA_MIX2(opa, mask_buf[src_x]));
}
dest_buf_u8 += dest_stride;
src_buf_c16 = drawbuf_next_row(src_buf_c16, src_stride);
mask_buf += mask_stride;
}
}
}
}
else {
lv_color32_t src_argb;
for(y = 0; y < h; y++) {
for(src_x = 0, dest_x = 0; src_x < w; src_x++, dest_x++) {
src_argb.red = (src_buf_c16[src_x].red * 2106) >> 8;
src_argb.green = (src_buf_c16[src_x].green * 1037) >> 8;
src_argb.blue = (src_buf_c16[src_x].blue * 2106) >> 8;
if(mask_buf == NULL) src_argb.alpha = opa;
else src_argb.alpha = LV_OPA_MIX2(mask_buf[src_x], opa);
blend_non_normal_pixel(&dest_buf_u8[dest_x], src_argb, dsc->blend_mode);
}
if(mask_buf) mask_buf += mask_stride;
dest_buf_u8 += dest_stride;
src_buf_c16 = drawbuf_next_row(src_buf_c16, src_stride);
}
}
}
static void LV_ATTRIBUTE_FAST_MEM rgb888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc,
const uint8_t src_px_size)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
uint8_t * dest_buf_l8 = dsc->dest_buf;
int32_t dest_stride = dsc->dest_stride;
const uint8_t * src_buf_u8 = dsc->src_buf;
int32_t src_stride = dsc->src_stride;
const lv_opa_t * mask_buf = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
int32_t dest_x;
int32_t src_x;
int32_t y;
if(dsc->blend_mode == LV_BLEND_MODE_NORMAL) {
/*Special case*/
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_L8(dsc, src_px_size)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; dest_x < w; dest_x++, src_x += src_px_size) {
dest_buf_l8[dest_x] = lv_color24_luminance(&src_buf_u8[src_x]);
}
dest_buf_l8 += dest_stride;
src_buf_u8 += src_stride;
}
}
}
if(mask_buf == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_L8_WITH_OPA(dsc, dest_px_size, src_px_size)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; dest_x < w; dest_x++, src_x += src_px_size) {
lv_color_8_8_mix(lv_color24_luminance(&src_buf_u8[src_x]), &dest_buf_l8[dest_x], opa);
}
dest_buf_l8 += dest_stride;
src_buf_u8 += src_stride;
}
}
}
if(mask_buf && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_L8_WITH_MASK(dsc, dest_px_size, src_px_size)) {
uint32_t mask_x;
for(y = 0; y < h; y++) {
for(mask_x = 0, dest_x = 0, src_x = 0; dest_x < w; mask_x++, dest_x++, src_x += src_px_size) {
lv_color_8_8_mix(lv_color24_luminance(&src_buf_u8[src_x]), &dest_buf_l8[dest_x], mask_buf[mask_x]);
}
dest_buf_l8 += dest_stride;
src_buf_u8 += src_stride;
mask_buf += mask_stride;
}
}
}
if(mask_buf && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB888_BLEND_NORMAL_TO_L8_MIX_MASK_OPA(dsc, dest_px_size, src_px_size)) {
uint32_t mask_x;
for(y = 0; y < h; y++) {
for(mask_x = 0, dest_x = 0, src_x = 0; dest_x < w; mask_x++, dest_x++, src_x += src_px_size) {
lv_color_8_8_mix(lv_color24_luminance(&src_buf_u8[src_x]), &dest_buf_l8[dest_x], LV_OPA_MIX2(opa, mask_buf[mask_x]));
}
dest_buf_l8 += dest_stride;
src_buf_u8 += src_stride;
mask_buf += mask_stride;
}
}
}
}
else {
lv_color32_t src_argb;
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; dest_x < w; dest_x++, src_x += src_px_size) {
src_argb.red = src_buf_u8[src_x + 2];
src_argb.green = src_buf_u8[src_x + 1];
src_argb.blue = src_buf_u8[src_x + 0];
if(mask_buf == NULL) src_argb.alpha = opa;
else src_argb.alpha = LV_OPA_MIX2(mask_buf[dest_x], opa);
blend_non_normal_pixel(&dest_buf_l8[dest_x], src_argb, dsc->blend_mode);
}
if(mask_buf) mask_buf += mask_stride;
dest_buf_l8 += dest_stride;
src_buf_u8 += src_stride;
}
}
}
static void LV_ATTRIBUTE_FAST_MEM argb8888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
uint8_t * dest_buf_l8 = dsc->dest_buf;
int32_t dest_stride = dsc->dest_stride;
const lv_color32_t * src_buf_c32 = dsc->src_buf;
int32_t src_stride = dsc->src_stride;
const lv_opa_t * mask_buf = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
int32_t x;
int32_t y;
if(dsc->blend_mode == LV_BLEND_MODE_NORMAL) {
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_L8(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color_8_8_mix(lv_color32_luminance(src_buf_c32[x]), &dest_buf_l8[x], src_buf_c32[x].alpha);
}
dest_buf_l8 = drawbuf_next_row(dest_buf_l8, dest_stride);
src_buf_c32 = drawbuf_next_row(src_buf_c32, src_stride);
}
}
}
else if(mask_buf == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_L8_WITH_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color_8_8_mix(lv_color32_luminance(src_buf_c32[x]), &dest_buf_l8[x], LV_OPA_MIX2(src_buf_c32[x].alpha, opa));
}
dest_buf_l8 = drawbuf_next_row(dest_buf_l8, dest_stride);
src_buf_c32 = drawbuf_next_row(src_buf_c32, src_stride);
}
}
}
else if(mask_buf && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_L8_WITH_MASK(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color_8_8_mix(lv_color32_luminance(src_buf_c32[x]), &dest_buf_l8[x], LV_OPA_MIX2(src_buf_c32[x].alpha, mask_buf[x]));
}
dest_buf_l8 = drawbuf_next_row(dest_buf_l8, dest_stride);
src_buf_c32 = drawbuf_next_row(src_buf_c32, src_stride);
mask_buf += mask_stride;
}
}
}
else if(mask_buf && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_L8_MIX_MASK_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color_8_8_mix(lv_color32_luminance(src_buf_c32[x]), &dest_buf_l8[x], LV_OPA_MIX3(src_buf_c32[x].alpha, opa,
mask_buf[x]));
}
dest_buf_l8 = drawbuf_next_row(dest_buf_l8, dest_stride);
src_buf_c32 = drawbuf_next_row(src_buf_c32, src_stride);
mask_buf += mask_stride;
}
}
}
}
else {
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++) {
lv_color32_t color_argb = src_buf_c32[x];
if(mask_buf == NULL) color_argb.alpha = LV_OPA_MIX2(color_argb.alpha, opa);
else color_argb.alpha = LV_OPA_MIX3(color_argb.alpha, mask_buf[x], opa);
blend_non_normal_pixel(&dest_buf_l8[x], color_argb, dsc->blend_mode);
}
if(mask_buf) mask_buf += mask_stride;
dest_buf_l8 = drawbuf_next_row(dest_buf_l8, dest_stride);
src_buf_c32 = drawbuf_next_row(src_buf_c32, src_stride);
}
}
}
static inline void LV_ATTRIBUTE_FAST_MEM lv_color_8_8_mix(const uint8_t src, uint8_t * dest, uint8_t mix)
{
if(mix == 0) return;
if(mix >= LV_OPA_MAX) {
*dest = src;
}
else {
lv_opa_t mix_inv = 255 - mix;
*dest = (uint32_t)((uint32_t)src * mix + dest[0] * mix_inv) >> 8;
}
}
static inline void LV_ATTRIBUTE_FAST_MEM blend_non_normal_pixel(uint8_t * dest, lv_color32_t src, lv_blend_mode_t mode)
{
uint8_t res;
int32_t src_lumi = lv_color32_luminance(src);
switch(mode) {
case LV_BLEND_MODE_ADDITIVE:
res = LV_MIN(*dest + src_lumi, 255);
break;
case LV_BLEND_MODE_SUBTRACTIVE:
res = LV_MAX(*dest - src_lumi, 0);
break;
case LV_BLEND_MODE_MULTIPLY:
res = (*dest * src_lumi) >> 8;
break;
default:
LV_LOG_WARN("Not supported blend mode: %d", mode);
return;
}
lv_color_8_8_mix(res, dest, src.alpha);
}
static inline void * LV_ATTRIBUTE_FAST_MEM drawbuf_next_row(const void * buf, uint32_t stride)
{
return (void *)((uint8_t *)buf + stride);
}
#endif

45
src/draw/sw/blend/lv_draw_sw_blend_to_l8.h Normal file
View File

@ -0,0 +1,45 @@
/**
* @file lv_draw_sw_blend_l8.h
*
*/
#ifndef LV_DRAW_SW_BLEND_L8_H
#define LV_DRAW_SW_BLEND_L8_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "../lv_draw_sw.h"
#if LV_USE_DRAW_SW
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* GLOBAL PROTOTYPES
**********************/
void /* LV_ATTRIBUTE_FAST_MEM */ lv_draw_sw_blend_color_to_l8(_lv_draw_sw_blend_fill_dsc_t * dsc);
void /* LV_ATTRIBUTE_FAST_MEM */ lv_draw_sw_blend_image_to_l8(_lv_draw_sw_blend_image_dsc_t * dsc);
/**********************
* MACROS
**********************/
#endif /*LV_USE_DRAW_SW*/
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*LV_DRAW_SW_BLEND_L8_H*/

296
src/draw/sw/blend/lv_draw_sw_blend_to_rgb565.c
View File

@ -1,4 +1,4 @@
/** /**
* @file lv_draw_sw_blend_to_rgb565.c * @file lv_draw_sw_blend_to_rgb565.c
* *
*/ */
@ -36,6 +36,10 @@
* STATIC PROTOTYPES * STATIC PROTOTYPES
**********************/ **********************/
static void /* LV_ATTRIBUTE_FAST_MEM */ al88_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc);
static void /* LV_ATTRIBUTE_FAST_MEM */ l8_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc);
static void /* LV_ATTRIBUTE_FAST_MEM */ rgb565_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc); static void /* LV_ATTRIBUTE_FAST_MEM */ rgb565_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc);
static void /* LV_ATTRIBUTE_FAST_MEM */ rgb888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc, static void /* LV_ATTRIBUTE_FAST_MEM */ rgb888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc,
@ -43,6 +47,10 @@ static void /* LV_ATTRIBUTE_FAST_MEM */ rgb888_image_blend(_lv_draw_sw_blend_ima
static void /* LV_ATTRIBUTE_FAST_MEM */ argb8888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc); static void /* LV_ATTRIBUTE_FAST_MEM */ argb8888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc);
static inline uint16_t /* LV_ATTRIBUTE_FAST_MEM */ l8_to_rgb565(const uint8_t c1);
static inline uint16_t /* LV_ATTRIBUTE_FAST_MEM */ lv_color_8_16_mix(const uint8_t c1, uint16_t c2, uint8_t mix);
static inline uint16_t /* LV_ATTRIBUTE_FAST_MEM */ lv_color_24_16_mix(const uint8_t * c1, uint16_t c2, uint8_t mix); static inline uint16_t /* LV_ATTRIBUTE_FAST_MEM */ lv_color_24_16_mix(const uint8_t * c1, uint16_t c2, uint8_t mix);
static inline void * /* LV_ATTRIBUTE_FAST_MEM */ drawbuf_next_row(const void * buf, uint32_t stride); static inline void * /* LV_ATTRIBUTE_FAST_MEM */ drawbuf_next_row(const void * buf, uint32_t stride);
@ -71,6 +79,38 @@ static inline void * /* LV_ATTRIBUTE_FAST_MEM */ drawbuf_next_row(const void * b
#define LV_DRAW_SW_COLOR_BLEND_TO_RGB565_MIX_MASK_OPA(...) LV_RESULT_INVALID #define LV_DRAW_SW_COLOR_BLEND_TO_RGB565_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif #endif
#ifndef LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB565
#define LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB565(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB565_WITH_OPA
#define LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB565_WITH_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB565_WITH_MASK
#define LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB565_WITH_MASK(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB565_MIX_MASK_OPA
#define LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB565_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_AL88_BLEND_NORMAL_TO_RGB565
#define LV_DRAW_SW_AL88_BLEND_NORMAL_TO_RGB565(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_AL88_BLEND_NORMAL_TO_RGB565_WITH_OPA
#define LV_DRAW_SW_AL88_BLEND_NORMAL_TO_RGB565_WITH_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_AL88_BLEND_NORMAL_TO_RGB565_WITH_MASK
#define LV_DRAW_SW_AL88_BLEND_NORMAL_TO_RGB565_WITH_MASK(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_AL88_BLEND_NORMAL_TO_RGB565_MIX_MASK_OPA
#define LV_DRAW_SW_AL88_BLEND_NORMAL_TO_RGB565_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_RGB565 #ifndef LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_RGB565
#define LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_RGB565(...) LV_RESULT_INVALID #define LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_RGB565(...) LV_RESULT_INVALID
#endif #endif
@ -302,6 +342,12 @@ void LV_ATTRIBUTE_FAST_MEM lv_draw_sw_blend_image_to_rgb565(_lv_draw_sw_blend_im
case LV_COLOR_FORMAT_ARGB8888: case LV_COLOR_FORMAT_ARGB8888:
argb8888_image_blend(dsc); argb8888_image_blend(dsc);
break; break;
case LV_COLOR_FORMAT_L8:
l8_image_blend(dsc);
break;
case LV_COLOR_FORMAT_AL88:
al88_image_blend(dsc);
break;
default: default:
LV_LOG_WARN("Not supported source color format"); LV_LOG_WARN("Not supported source color format");
break; break;
@ -312,6 +358,231 @@ void LV_ATTRIBUTE_FAST_MEM lv_draw_sw_blend_image_to_rgb565(_lv_draw_sw_blend_im
* STATIC FUNCTIONS * STATIC FUNCTIONS
**********************/ **********************/
static void LV_ATTRIBUTE_FAST_MEM al88_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
uint16_t * dest_buf_u16 = dsc->dest_buf;
int32_t dest_stride = dsc->dest_stride;
const lv_color16a_t * src_buf_al88 = dsc->src_buf;
int32_t src_stride = dsc->src_stride;
const lv_opa_t * mask_buf = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
int32_t dest_x;
int32_t src_x;
int32_t y;
if(dsc->blend_mode == LV_BLEND_MODE_NORMAL) {
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_RGB565(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; dest_x < w; dest_x++, src_x++) {
dest_buf_u16[dest_x] = lv_color_8_16_mix(src_buf_al88[src_x].lumi, dest_buf_u16[dest_x], src_buf_al88[src_x].alpha);
}
dest_buf_u16 = drawbuf_next_row(dest_buf_u16, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
}
}
}
else if(mask_buf == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_RGB565_WITH_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; dest_x < w; dest_x++, src_x++) {
dest_buf_u16[dest_x] = lv_color_8_16_mix(src_buf_al88[src_x].lumi, dest_buf_u16[dest_x],
LV_OPA_MIX2(src_buf_al88[src_x].alpha, opa));
}
dest_buf_u16 = drawbuf_next_row(dest_buf_u16, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
}
}
}
else if(mask_buf && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_RGB565_WITH_MASK(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; dest_x < w; dest_x++, src_x++) {
dest_buf_u16[dest_x] = lv_color_8_16_mix(src_buf_al88[src_x].lumi, dest_buf_u16[dest_x],
LV_OPA_MIX2(src_buf_al88[src_x].alpha, mask_buf[dest_x]));
}
dest_buf_u16 = drawbuf_next_row(dest_buf_u16, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
mask_buf += mask_stride;
}
}
}
else if(mask_buf && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_AL88_BLEND_NORMAL_TO_RGB565_MIX_MASK_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; dest_x < w; dest_x++, src_x++) {
dest_buf_u16[dest_x] = lv_color_8_16_mix(src_buf_al88[src_x].lumi, dest_buf_u16[dest_x],
LV_OPA_MIX3(src_buf_al88[src_x].alpha, mask_buf[dest_x], opa));
}
dest_buf_u16 = drawbuf_next_row(dest_buf_u16, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
mask_buf += mask_stride;
}
}
}
}
else {
uint16_t res = 0;
for(y = 0; y < h; y++) {
lv_color16_t * dest_buf_c16 = (lv_color16_t *)dest_buf_u16;
for(dest_x = 0, src_x = 0; dest_x < w; dest_x++, src_x += 4) {
uint8_t rb = src_buf_al88[src_x].lumi >> 3;
uint8_t g = src_buf_al88[src_x].lumi >> 2;
switch(dsc->blend_mode) {
case LV_BLEND_MODE_ADDITIVE:
res = (LV_MIN(dest_buf_c16[dest_x].red + rb, 31)) << 11;
res += (LV_MIN(dest_buf_c16[dest_x].green + g, 63)) << 5;
res += LV_MIN(dest_buf_c16[dest_x].blue + rb, 31);
break;
case LV_BLEND_MODE_SUBTRACTIVE:
res = (LV_MAX(dest_buf_c16[dest_x].red - rb, 0)) << 11;
res += (LV_MAX(dest_buf_c16[dest_x].green - g, 0)) << 5;
res += LV_MAX(dest_buf_c16[dest_x].blue - rb, 0);
break;
case LV_BLEND_MODE_MULTIPLY:
res = ((dest_buf_c16[dest_x].red * rb) >> 5) << 11;
res += ((dest_buf_c16[dest_x].green * g) >> 6) << 5;
res += (dest_buf_c16[dest_x].blue * rb) >> 5;
break;
default:
LV_LOG_WARN("Not supported blend mode: %d", dsc->blend_mode);
return;
}
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
dest_buf_u16[dest_x] = lv_color_16_16_mix(res, dest_buf_u16[dest_x], src_buf_al88[src_x].alpha);
}
else if(mask_buf == NULL && opa < LV_OPA_MAX) {
dest_buf_u16[dest_x] = lv_color_16_16_mix(res, dest_buf_u16[dest_x], LV_OPA_MIX2(opa, src_buf_al88[src_x].alpha));
}
else {
if(opa >= LV_OPA_MAX) dest_buf_u16[dest_x] = lv_color_16_16_mix(res, dest_buf_u16[dest_x], mask_buf[dest_x]);
else dest_buf_u16[dest_x] = lv_color_16_16_mix(res, dest_buf_u16[dest_x], LV_OPA_MIX3(mask_buf[dest_x], opa,
src_buf_al88[src_x].alpha));
}
}
dest_buf_u16 = drawbuf_next_row(dest_buf_u16, dest_stride);
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
if(mask_buf) mask_buf += mask_stride;
}
}
}
static void LV_ATTRIBUTE_FAST_MEM l8_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
uint16_t * dest_buf_u16 = dsc->dest_buf;
int32_t dest_stride = dsc->dest_stride;
const uint8_t * src_buf_l8 = dsc->src_buf;
int32_t src_stride = dsc->src_stride;
const lv_opa_t * mask_buf = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
int32_t dest_x;
int32_t src_x;
int32_t y;
if(dsc->blend_mode == LV_BLEND_MODE_NORMAL) {
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB565(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; dest_x < w; dest_x++, src_x++) {
dest_buf_u16[dest_x] = l8_to_rgb565(src_buf_l8[src_x]);
}
dest_buf_u16 = drawbuf_next_row(dest_buf_u16, dest_stride);
src_buf_l8 += src_stride;
}
}
}
else if(mask_buf == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB565_WITH_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; dest_x < w; dest_x++, src_x++) {
dest_buf_u16[dest_x] = lv_color_8_16_mix(src_buf_l8[src_x], dest_buf_u16[dest_x], opa);
}
dest_buf_u16 = drawbuf_next_row(dest_buf_u16, dest_stride);
src_buf_l8 += src_stride;
}
}
}
else if(mask_buf && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB565_WITH_MASK(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; dest_x < w; dest_x++, src_x++) {
dest_buf_u16[dest_x] = lv_color_8_16_mix(src_buf_l8[src_x], dest_buf_u16[dest_x], mask_buf[dest_x]);
}
dest_buf_u16 = drawbuf_next_row(dest_buf_u16, dest_stride);
src_buf_l8 += src_stride;
mask_buf += mask_stride;
}
}
}
else if(mask_buf && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB565_MIX_MASK_OPA(dsc)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; dest_x < w; dest_x++, src_x++) {
dest_buf_u16[dest_x] = lv_color_8_16_mix(src_buf_l8[src_x], dest_buf_u16[dest_x], LV_OPA_MIX2(mask_buf[dest_x], opa));
}
dest_buf_u16 = drawbuf_next_row(dest_buf_u16, dest_stride);
src_buf_l8 += src_stride;
mask_buf += mask_stride;
}
}
}
}
else {
uint16_t res = 0;
for(y = 0; y < h; y++) {
lv_color16_t * dest_buf_c16 = (lv_color16_t *)dest_buf_u16;
for(dest_x = 0, src_x = 0; dest_x < w; dest_x++, src_x += 4) {
uint8_t rb = src_buf_l8[src_x] >> 3;
uint8_t g = src_buf_l8[src_x] >> 2;
switch(dsc->blend_mode) {
case LV_BLEND_MODE_ADDITIVE:
res = (LV_MIN(dest_buf_c16[dest_x].red + rb, 31)) << 11;
res += (LV_MIN(dest_buf_c16[dest_x].green + g, 63)) << 5;
res += LV_MIN(dest_buf_c16[dest_x].blue + rb, 31);
break;
case LV_BLEND_MODE_SUBTRACTIVE:
res = (LV_MAX(dest_buf_c16[dest_x].red - rb, 0)) << 11;
res += (LV_MAX(dest_buf_c16[dest_x].green - g, 0)) << 5;
res += LV_MAX(dest_buf_c16[dest_x].blue - rb, 0);
break;
case LV_BLEND_MODE_MULTIPLY:
res = ((dest_buf_c16[dest_x].red * rb) >> 5) << 11;
res += ((dest_buf_c16[dest_x].green * g) >> 6) << 5;
res += (dest_buf_c16[dest_x].blue * rb) >> 5;
break;
default:
LV_LOG_WARN("Not supported blend mode: %d", dsc->blend_mode);
return;
}
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
dest_buf_u16[dest_x] = res;
}
else if(mask_buf == NULL && opa < LV_OPA_MAX) {
dest_buf_u16[dest_x] = lv_color_16_16_mix(res, dest_buf_u16[dest_x], opa);
}
else {
if(opa >= LV_OPA_MAX) dest_buf_u16[dest_x] = lv_color_16_16_mix(res, dest_buf_u16[dest_x], mask_buf[dest_x]);
else dest_buf_u16[dest_x] = lv_color_16_16_mix(res, dest_buf_u16[dest_x], LV_OPA_MIX2(mask_buf[dest_x], opa));
}
}
dest_buf_u16 = drawbuf_next_row(dest_buf_u16, dest_stride);
src_buf_l8 += src_stride;
if(mask_buf) mask_buf += mask_stride;
}
}
}
static void LV_ATTRIBUTE_FAST_MEM rgb565_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc) static void LV_ATTRIBUTE_FAST_MEM rgb565_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc)
{ {
int32_t w = dsc->dest_w; int32_t w = dsc->dest_w;
@ -641,6 +912,29 @@ static void LV_ATTRIBUTE_FAST_MEM argb8888_image_blend(_lv_draw_sw_blend_image_d
} }
} }
static inline uint16_t LV_ATTRIBUTE_FAST_MEM l8_to_rgb565(const uint8_t c1)
{
return ((c1 & 0xF8) << 8) + ((c1 & 0xFC) << 3) + ((c1 & 0xF8) >> 3);
}
static inline uint16_t LV_ATTRIBUTE_FAST_MEM lv_color_8_16_mix(const uint8_t c1, uint16_t c2, uint8_t mix)
{
if(mix == 0) {
return c2;
}
else if(mix == 255) {
return ((c1 & 0xF8) << 8) + ((c1 & 0xFC) << 3) + ((c1 & 0xF8) >> 3);
}
else {
lv_opa_t mix_inv = 255 - mix;
return ((((c1 >> 3) * mix + ((c2 >> 11) & 0x1F) * mix_inv) << 3) & 0xF800) +
((((c1 >> 2) * mix + ((c2 >> 5) & 0x3F) * mix_inv) >> 3) & 0x07E0) +
(((c1 >> 3) * mix + (c2 & 0x1F) * mix_inv) >> 8);
}
}
static inline uint16_t LV_ATTRIBUTE_FAST_MEM lv_color_24_16_mix(const uint8_t * c1, uint16_t c2, uint8_t mix) static inline uint16_t LV_ATTRIBUTE_FAST_MEM lv_color_24_16_mix(const uint8_t * c1, uint16_t c2, uint8_t mix)
{ {
if(mix == 0) { if(mix == 0) {

214
src/draw/sw/blend/lv_draw_sw_blend_to_rgb888.c
View File

@ -1,4 +1,4 @@
/** /**
* @file lv_draw_sw_blend_to_rgb888.c * @file lv_draw_sw_blend_to_rgb888.c
* *
*/ */
@ -36,6 +36,10 @@
* STATIC PROTOTYPES * STATIC PROTOTYPES
**********************/ **********************/
static void /* LV_ATTRIBUTE_FAST_MEM */ al88_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc, uint32_t dest_px_size);
static void /* LV_ATTRIBUTE_FAST_MEM */ l8_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc, uint32_t dest_px_size);
static void /* LV_ATTRIBUTE_FAST_MEM */ rgb565_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc, uint32_t dest_px_size); static void /* LV_ATTRIBUTE_FAST_MEM */ rgb565_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc, uint32_t dest_px_size);
static void /* LV_ATTRIBUTE_FAST_MEM */ rgb888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc, static void /* LV_ATTRIBUTE_FAST_MEM */ rgb888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc,
@ -45,6 +49,8 @@ static void /* LV_ATTRIBUTE_FAST_MEM */ rgb888_image_blend(_lv_draw_sw_blend_ima
static void /* LV_ATTRIBUTE_FAST_MEM */ argb8888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc, static void /* LV_ATTRIBUTE_FAST_MEM */ argb8888_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc,
uint32_t dest_px_size); uint32_t dest_px_size);
static inline void /* LV_ATTRIBUTE_FAST_MEM */ lv_color_8_24_mix(const uint8_t src, uint8_t * dest, uint8_t mix);
static inline void /* LV_ATTRIBUTE_FAST_MEM */ lv_color_24_24_mix(const uint8_t * src, uint8_t * dest, uint8_t mix); static inline void /* LV_ATTRIBUTE_FAST_MEM */ lv_color_24_24_mix(const uint8_t * src, uint8_t * dest, uint8_t mix);
static inline void /* LV_ATTRIBUTE_FAST_MEM */ blend_non_normal_pixel(uint8_t * dest, lv_color32_t src, static inline void /* LV_ATTRIBUTE_FAST_MEM */ blend_non_normal_pixel(uint8_t * dest, lv_color32_t src,
@ -75,6 +81,22 @@ static inline void * /* LV_ATTRIBUTE_FAST_MEM */ drawbuf_next_row(const void * b
#define LV_DRAW_SW_COLOR_BLEND_TO_RGB888_MIX_MASK_OPA(...) LV_RESULT_INVALID #define LV_DRAW_SW_COLOR_BLEND_TO_RGB888_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif #endif
#ifndef LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB888
#define LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB888(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB888_WITH_OPA
#define LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB888_WITH_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB888_WITH_MASK
#define LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB888_WITH_MASK(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB888_MIX_MASK_OPA
#define LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB888_MIX_MASK_OPA(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_RGB888 #ifndef LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_RGB888
#define LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_RGB888(...) LV_RESULT_INVALID #define LV_DRAW_SW_RGB565_BLEND_NORMAL_TO_RGB888(...) LV_RESULT_INVALID
#endif #endif
@ -270,6 +292,12 @@ void LV_ATTRIBUTE_FAST_MEM lv_draw_sw_blend_image_to_rgb888(_lv_draw_sw_blend_im
case LV_COLOR_FORMAT_ARGB8888: case LV_COLOR_FORMAT_ARGB8888:
argb8888_image_blend(dsc, dest_px_size); argb8888_image_blend(dsc, dest_px_size);
break; break;
case LV_COLOR_FORMAT_L8:
l8_image_blend(dsc, dest_px_size);
break;
case LV_COLOR_FORMAT_AL88:
al88_image_blend(dsc, dest_px_size);
break;
default: default:
LV_LOG_WARN("Not supported source color format"); LV_LOG_WARN("Not supported source color format");
break; break;
@ -280,6 +308,172 @@ void LV_ATTRIBUTE_FAST_MEM lv_draw_sw_blend_image_to_rgb888(_lv_draw_sw_blend_im
* STATIC FUNCTIONS * STATIC FUNCTIONS
**********************/ **********************/
static void LV_ATTRIBUTE_FAST_MEM al88_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc, uint32_t dest_px_size)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
uint8_t * dest_buf_u8 = dsc->dest_buf;
int32_t dest_stride = dsc->dest_stride;
const lv_color16a_t * src_buf_al88 = dsc->src_buf;
int32_t src_stride = dsc->src_stride;
const lv_opa_t * mask_buf = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
int32_t dest_x;
int32_t src_x;
int32_t y;
if(dsc->blend_mode == LV_BLEND_MODE_NORMAL) {
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB888(dsc, dest_px_size)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x += dest_px_size, src_x++) {
lv_color_8_24_mix(src_buf_al88[src_x].lumi, &dest_buf_u8[dest_x], src_buf_al88[src_x].alpha);
}
dest_buf_u8 += dest_stride;
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
}
}
}
else if(mask_buf == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB888_WITH_OPA(dsc, dest_px_size)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x += dest_px_size, src_x++) {
lv_color_8_24_mix(src_buf_al88[src_x].lumi, &dest_buf_u8[dest_x], LV_OPA_MIX2(src_buf_al88[src_x].alpha, opa));
}
dest_buf_u8 += dest_stride;
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
}
}
}
else if(mask_buf && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB888_WITH_MASK(dsc, dest_px_size)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x += dest_px_size, src_x++) {
lv_color_8_24_mix(src_buf_al88[src_x].lumi, &dest_buf_u8[dest_x], LV_OPA_MIX2(src_buf_al88[src_x].alpha,
mask_buf[src_x]));
}
dest_buf_u8 += dest_stride;
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
mask_buf += mask_stride;
}
}
}
else if(mask_buf && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB888_MIX_MASK_OPA(dsc, dest_px_size)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x += dest_px_size, src_x++) {
lv_color_8_24_mix(src_buf_al88[src_x].lumi, &dest_buf_u8[dest_x], LV_OPA_MIX3(src_buf_al88[src_x].alpha,
mask_buf[src_x], opa));
}
dest_buf_u8 += dest_stride;
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
mask_buf += mask_stride;
}
}
}
}
else {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x += dest_px_size, src_x++) {
lv_color32_t src_argb;
src_argb.red = src_argb.green = src_argb.blue = src_buf_al88[src_x].lumi;
if(mask_buf == NULL) src_argb.alpha = LV_OPA_MIX2(src_buf_al88[src_x].alpha, opa);
else src_argb.alpha = LV_OPA_MIX3(src_buf_al88[src_x].alpha, mask_buf[dest_x], opa);
blend_non_normal_pixel(&dest_buf_u8[dest_x], src_argb, dsc->blend_mode);
}
if(mask_buf) mask_buf += mask_stride;
dest_buf_u8 += dest_stride;
src_buf_al88 = drawbuf_next_row(src_buf_al88, src_stride);
}
}
}
static void LV_ATTRIBUTE_FAST_MEM l8_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc, uint32_t dest_px_size)
{
int32_t w = dsc->dest_w;
int32_t h = dsc->dest_h;
lv_opa_t opa = dsc->opa;
uint8_t * dest_buf_u8 = dsc->dest_buf;
int32_t dest_stride = dsc->dest_stride;
const uint8_t * src_buf_l8 = dsc->src_buf;
int32_t src_stride = dsc->src_stride;
const lv_opa_t * mask_buf = dsc->mask_buf;
int32_t mask_stride = dsc->mask_stride;
int32_t dest_x;
int32_t src_x;
int32_t y;
if(dsc->blend_mode == LV_BLEND_MODE_NORMAL) {
if(mask_buf == NULL && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB888(dsc, dest_px_size)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x += dest_px_size, src_x++) {
dest_buf_u8[dest_x + 2] = src_buf_l8[src_x];
dest_buf_u8[dest_x + 1] = src_buf_l8[src_x];
dest_buf_u8[dest_x + 0] = src_buf_l8[src_x];
}
dest_buf_u8 += dest_stride;
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
}
}
}
else if(mask_buf == NULL && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB888_WITH_OPA(dsc, dest_px_size)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x += dest_px_size, src_x++) {
lv_color_8_24_mix(src_buf_l8[src_x], &dest_buf_u8[dest_x], opa);
}
dest_buf_u8 += dest_stride;
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
}
}
}
else if(mask_buf && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB888_WITH_MASK(dsc, dest_px_size)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x += dest_px_size, src_x++) {
lv_color_8_24_mix(src_buf_l8[src_x], &dest_buf_u8[dest_x], mask_buf[src_x]);
}
dest_buf_u8 += dest_stride;
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
mask_buf += mask_stride;
}
}
}
else if(mask_buf && opa < LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_L8_BLEND_NORMAL_TO_RGB888_MIX_MASK_OPA(dsc, dest_px_size)) {
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x += dest_px_size, src_x++) {
lv_color_8_24_mix(src_buf_l8[src_x], &dest_buf_u8[dest_x], LV_OPA_MIX2(opa, mask_buf[src_x]));
}
dest_buf_u8 += dest_stride;
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
mask_buf += mask_stride;
}
}
}
}
else {
lv_color32_t src_argb;
for(y = 0; y < h; y++) {
for(dest_x = 0, src_x = 0; src_x < w; dest_x += dest_px_size, src_x++) {
src_argb.red = src_buf_l8[src_x];
src_argb.green = src_buf_l8[src_x];
src_argb.blue = src_buf_l8[src_x];
if(mask_buf == NULL) src_argb.alpha = opa;
else src_argb.alpha = LV_OPA_MIX2(mask_buf[dest_x], opa);
blend_non_normal_pixel(&dest_buf_u8[dest_x], src_argb, dsc->blend_mode);
}
if(mask_buf) mask_buf += mask_stride;
dest_buf_u8 += dest_stride;
src_buf_l8 = drawbuf_next_row(src_buf_l8, src_stride);
}
}
}
static void LV_ATTRIBUTE_FAST_MEM rgb565_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc, uint32_t dest_px_size) static void LV_ATTRIBUTE_FAST_MEM rgb565_image_blend(_lv_draw_sw_blend_image_dsc_t * dsc, uint32_t dest_px_size)
{ {
int32_t w = dsc->dest_w; int32_t w = dsc->dest_w;
@ -583,6 +777,24 @@ static inline void LV_ATTRIBUTE_FAST_MEM blend_non_normal_pixel(uint8_t * dest,
lv_color_24_24_mix(res, dest, src.alpha); lv_color_24_24_mix(res, dest, src.alpha);
} }
static inline void LV_ATTRIBUTE_FAST_MEM lv_color_8_24_mix(const uint8_t src, uint8_t * dest, uint8_t mix)
{
if(mix == 0) return;
if(mix >= LV_OPA_MAX) {
dest[0] = src;
dest[1] = src;
dest[2] = src;
}
else {
lv_opa_t mix_inv = 255 - mix;
dest[0] = (uint32_t)((uint32_t)src * mix + dest[0] * mix_inv) >> 8;
dest[1] = (uint32_t)((uint32_t)src * mix + dest[1] * mix_inv) >> 8;
dest[2] = (uint32_t)((uint32_t)src * mix + dest[2] * mix_inv) >> 8;
}
}
static inline void LV_ATTRIBUTE_FAST_MEM lv_color_24_24_mix(const uint8_t * src, uint8_t * dest, uint8_t mix) static inline void LV_ATTRIBUTE_FAST_MEM lv_color_24_24_mix(const uint8_t * src, uint8_t * dest, uint8_t mix)
{ {

28
src/draw/sw/lv_draw_sw_img.c
View File

@ -1,4 +1,4 @@
/** /**
* @file lv_draw_sw_img.c * @file lv_draw_sw_img.c
* *
*/ */
@ -289,9 +289,13 @@ static void img_draw_core(lv_draw_unit_t * draw_unit, const lv_draw_image_dsc_t
int32_t blend_h = lv_area_get_height(&blend_area); int32_t blend_h = lv_area_get_height(&blend_area);
lv_color_format_t cf_final = cf; lv_color_format_t cf_final = cf;
if((cf == LV_COLOR_FORMAT_L8) && (draw_dsc->recolor_opa > LV_OPA_MIN)) {
cf_final = LV_COLOR_FORMAT_ARGB8888;
}
if(transformed) { if(transformed) {
if(cf == LV_COLOR_FORMAT_RGB888 || cf == LV_COLOR_FORMAT_XRGB8888) cf_final = LV_COLOR_FORMAT_ARGB8888; if(cf_final == LV_COLOR_FORMAT_RGB888 || cf_final == LV_COLOR_FORMAT_XRGB8888) cf_final = LV_COLOR_FORMAT_ARGB8888;
else if(cf == LV_COLOR_FORMAT_RGB565) cf_final = LV_COLOR_FORMAT_RGB565A8; else if(cf_final == LV_COLOR_FORMAT_RGB565) cf_final = LV_COLOR_FORMAT_RGB565A8;
else if(cf_final == LV_COLOR_FORMAT_L8) cf_final = LV_COLOR_FORMAT_AL88;
} }
uint8_t * tmp_buf; uint8_t * tmp_buf;
@ -350,7 +354,23 @@ static void img_draw_core(lv_draw_unit_t * draw_unit, const lv_draw_image_dsc_t
} }
else if(draw_dsc->recolor_opa >= LV_OPA_MIN) { else if(draw_dsc->recolor_opa >= LV_OPA_MIN) {
int32_t h = lv_area_get_height(&relative_area); int32_t h = lv_area_get_height(&relative_area);
if(cf_final == LV_COLOR_FORMAT_RGB565A8) { if(cf == LV_COLOR_FORMAT_L8) {
/* L8 is recolored, but not transformed: copy L8 image into ARGB8888 temporary buffer */
const uint8_t * src_buf_tmp = src_buf + img_stride * relative_area.y1 + relative_area.x1 * 1;
lv_color32_t * dest_buf_tmp = (lv_color32_t *)tmp_buf;
int32_t i, x;
for(i = 0; i < h; i++) {
for(x = 0; x < blend_w; x++) {
dest_buf_tmp[x].red = src_buf_tmp[x];
dest_buf_tmp[x].green = src_buf_tmp[x];
dest_buf_tmp[x].blue = src_buf_tmp[x];
dest_buf_tmp[x].alpha = 255;
}
dest_buf_tmp += blend_w;
src_buf_tmp += img_stride;
}
}
else if(cf_final == LV_COLOR_FORMAT_RGB565A8) {
uint32_t stride_px = img_stride / 2; uint32_t stride_px = img_stride / 2;
const uint8_t * rgb_src_buf = src_buf + stride_px * 2 * relative_area.y1 + relative_area.x1 * 2; const uint8_t * rgb_src_buf = src_buf + stride_px * 2 * relative_area.y1 + relative_area.x1 * 2;
const uint8_t * a_src_buf = src_buf + stride_px * 2 * src_h + stride_px * relative_area.y1 + const uint8_t * a_src_buf = src_buf + stride_px * 2 * src_h + stride_px * relative_area.y1 +

177
src/draw/sw/lv_draw_sw_transform.c
View File

@ -1,4 +1,4 @@
/** /**
* @file lv_draw_sw_transform.c * @file lv_draw_sw_transform.c
* *
*/ */
@ -67,6 +67,14 @@ static void transform_a8(const uint8_t * src, int32_t src_w, int32_t src_h, int3
int32_t xs_ups, int32_t ys_ups, int32_t xs_step, int32_t ys_step, int32_t xs_ups, int32_t ys_ups, int32_t xs_step, int32_t ys_step,
int32_t x_end, uint8_t * abuf, bool aa); int32_t x_end, uint8_t * abuf, bool aa);
static void transform_l8_to_al88(const uint8_t * src, int32_t src_w, int32_t src_h, int32_t src_stride,
int32_t xs_ups, int32_t ys_ups, int32_t xs_step, int32_t ys_step,
int32_t x_end, uint8_t * abuf, bool aa);
static void transform_l8_to_argb8888(const uint8_t * src, int32_t src_w, int32_t src_h, int32_t src_stride,
int32_t xs_ups, int32_t ys_ups, int32_t xs_step, int32_t ys_step,
int32_t x_end, uint8_t * abuf, bool aa);
/********************** /**********************
* STATIC VARIABLES * STATIC VARIABLES
**********************/ **********************/
@ -114,10 +122,13 @@ void lv_draw_sw_transform(lv_draw_unit_t * draw_unit, const lv_area_t * dest_are
int32_t dest_stride_a8 = dest_w; int32_t dest_stride_a8 = dest_w;
int32_t dest_stride; int32_t dest_stride;
if(src_cf == LV_COLOR_FORMAT_RGB888) { if(src_cf == LV_COLOR_FORMAT_L8) {
dest_stride = dest_w * ((draw_dsc->recolor_opa >= LV_OPA_MIN) ? 4 : 2);
}
else if(src_cf == LV_COLOR_FORMAT_RGB888) {
dest_stride = dest_w * lv_color_format_get_size(LV_COLOR_FORMAT_ARGB8888); dest_stride = dest_w * lv_color_format_get_size(LV_COLOR_FORMAT_ARGB8888);
} }
else if(src_cf == LV_COLOR_FORMAT_RGB565A8) { else if((src_cf == LV_COLOR_FORMAT_RGB565A8) || (src_cf == LV_COLOR_FORMAT_L8)) {
dest_stride = dest_w * 2; dest_stride = dest_w * 2;
} }
else { else {
@ -228,6 +239,13 @@ void lv_draw_sw_transform(lv_draw_unit_t * draw_unit, const lv_area_t * dest_are
(uint16_t *)dest_buf, (uint16_t *)dest_buf,
alpha_buf, true, aa); alpha_buf, true, aa);
break; break;
case LV_COLOR_FORMAT_L8:
if(draw_dsc->recolor_opa >= LV_OPA_MIN)
transform_l8_to_argb8888(src_buf, src_w, src_h, src_stride, xs_ups, ys_ups, xs_step_256, ys_step_256, dest_w, dest_buf,
aa);
else
transform_l8_to_al88(src_buf, src_w, src_h, src_stride, xs_ups, ys_ups, xs_step_256, ys_step_256, dest_w, dest_buf, aa);
break;
default: default:
break; break;
} }
@ -611,6 +629,159 @@ static void transform_a8(const uint8_t * src, int32_t src_w, int32_t src_h, int3
} }
} }
/* L8 will be transformed into an AL88 buffer, because it will not be recolored */
static void transform_l8_to_al88(const uint8_t * src, int32_t src_w, int32_t src_h, int32_t src_stride,
int32_t xs_ups, int32_t ys_ups, int32_t xs_step, int32_t ys_step,
int32_t x_end, uint8_t * dest_buf, bool aa)
{
int32_t xs_ups_start = xs_ups;
int32_t ys_ups_start = ys_ups;
lv_color16a_t * dest_al88 = (lv_color16a_t *)dest_buf;
int32_t x;
for(x = 0; x < x_end; x++) {
xs_ups = xs_ups_start + ((xs_step * x) >> 8);
ys_ups = ys_ups_start + ((ys_step * x) >> 8);
int32_t xs_int = xs_ups >> 8;
int32_t ys_int = ys_ups >> 8;
/*Fully out of the image*/
if(xs_int < 0 || xs_int >= src_w || ys_int < 0 || ys_int >= src_h) {
dest_al88[x].lumi = 0x00;
dest_al88[x].alpha = 0x00;
continue;
}
/*Get the direction the hor and ver neighbor
*`fract` will be in range of 0x00..0xFF and `next` (+/-1) indicates the direction*/
int32_t xs_fract = xs_ups & 0xFF;
int32_t ys_fract = ys_ups & 0xFF;
int32_t x_next;
int32_t y_next;
if(xs_fract < 0x80) {
x_next = -1;
xs_fract = (0x7F - xs_fract) * 2;
}
else {
x_next = 1;
xs_fract = (xs_fract - 0x80) * 2;
}
if(ys_fract < 0x80) {
y_next = -1;
ys_fract = (0x7F - ys_fract) * 2;
}
else {
y_next = 1;
ys_fract = (ys_fract - 0x80) * 2;
}
const uint8_t * src_tmp = src;
src_tmp += ys_int * src_stride + xs_int;
dest_al88[x].lumi = src_tmp[0];
dest_al88[x].alpha = 255;
if(aa &&
xs_int + x_next >= 0 &&
xs_int + x_next <= src_w - 1 &&
ys_int + y_next >= 0 &&
ys_int + y_next <= src_h - 1) {
lv_opa_t a_ver = src_tmp[x_next];
lv_opa_t a_hor = src_tmp[y_next * src_stride];
if(a_ver != dest_al88[x].lumi) a_ver = ((a_ver * ys_fract) + (dest_al88[x].lumi * (0x100 - ys_fract))) >> 8;
if(a_hor != dest_al88[x].lumi) a_hor = ((a_hor * xs_fract) + (dest_al88[x].lumi * (0x100 - xs_fract))) >> 8;
dest_al88[x].lumi = (a_ver + a_hor) >> 1;
}
else {
/*Partially out of the image*/
if((xs_int == 0 && x_next < 0) || (xs_int == src_w - 1 && x_next > 0)) {
dest_al88[x].alpha = (src_tmp[0] * (0xFF - xs_fract)) >> 8;
}
else if((ys_int == 0 && y_next < 0) || (ys_int == src_h - 1 && y_next > 0)) {
dest_al88[x].alpha = (src_tmp[0] * (0xFF - ys_fract)) >> 8;
}
}
}
}
/* L8 has to be transformed into an ARGB8888 buffer, because it will be recolored as well */
static void transform_l8_to_argb8888(const uint8_t * src, int32_t src_w, int32_t src_h, int32_t src_stride,
int32_t xs_ups, int32_t ys_ups, int32_t xs_step, int32_t ys_step,
int32_t x_end, uint8_t * dest_buf, bool aa)
{
int32_t xs_ups_start = xs_ups;
int32_t ys_ups_start = ys_ups;
lv_color32_t * dest_c32 = (lv_color32_t *)dest_buf;
int32_t x;
for(x = 0; x < x_end; x++) {
xs_ups = xs_ups_start + ((xs_step * x) >> 8);
ys_ups = ys_ups_start + ((ys_step * x) >> 8);
int32_t xs_int = xs_ups >> 8;
int32_t ys_int = ys_ups >> 8;
/*Fully out of the image*/
if(xs_int < 0 || xs_int >= src_w || ys_int < 0 || ys_int >= src_h) {
*((uint32_t *)&dest_c32[x]) = 0L;
continue;
}
/*Get the direction the hor and ver neighbor
*`fract` will be in range of 0x00..0xFF and `next` (+/-1) indicates the direction*/
int32_t xs_fract = xs_ups & 0xFF;
int32_t ys_fract = ys_ups & 0xFF;
int32_t x_next;
int32_t y_next;
if(xs_fract < 0x80) {
x_next = -1;
xs_fract = (0x7F - xs_fract) * 2;
}
else {
x_next = 1;
xs_fract = (xs_fract - 0x80) * 2;
}
if(ys_fract < 0x80) {
y_next = -1;
ys_fract = (0x7F - ys_fract) * 2;
}
else {
y_next = 1;
ys_fract = (ys_fract - 0x80) * 2;
}
const uint8_t * src_tmp = src;
src_tmp += ys_int * src_stride + xs_int;
dest_c32[x].red = dest_c32[x].green = dest_c32[x].blue = src_tmp[0];
dest_c32[x].alpha = 255;
if(aa &&
xs_int + x_next >= 0 &&
xs_int + x_next <= src_w - 1 &&
ys_int + y_next >= 0 &&
ys_int + y_next <= src_h - 1) {
lv_opa_t a_ver = src_tmp[x_next];
lv_opa_t a_hor = src_tmp[y_next * src_stride];
if(a_ver != src_tmp[0]) a_ver = ((a_ver * ys_fract) + (src_tmp[0] * (0x100 - ys_fract))) >> 8;
if(a_hor != src_tmp[0]) a_hor = ((a_hor * xs_fract) + (src_tmp[0] * (0x100 - xs_fract))) >> 8;
dest_c32[x].red = dest_c32[x].green = dest_c32[x].blue = (a_ver + a_hor) >> 1;
}
else {
/*Partially out of the image*/
if((xs_int == 0 && x_next < 0) || (xs_int == src_w - 1 && x_next > 0)) {
dest_c32[x].alpha = (src_tmp[0] * (0xFF - xs_fract)) >> 8;
}
else if((ys_int == 0 && y_next < 0) || (ys_int == src_h - 1 && y_next > 0)) {
dest_c32[x].alpha = (src_tmp[0] * (0xFF - ys_fract)) >> 8;
}
}
}
}
static void transform_point_upscaled(point_transform_dsc_t * t, int32_t xin, int32_t yin, int32_t * xout, static void transform_point_upscaled(point_transform_dsc_t * t, int32_t xin, int32_t yin, int32_t * xout,
int32_t * yout) int32_t * yout)
{ {

4
src/misc/lv_color.c
View File

@ -1,4 +1,4 @@
/** /**
* @file lv_color.c * @file lv_color.c
* *
*/ */
@ -60,6 +60,7 @@ uint8_t lv_color_format_get_bpp(lv_color_format_t cf)
case LV_COLOR_FORMAT_RGB565A8: case LV_COLOR_FORMAT_RGB565A8:
case LV_COLOR_FORMAT_RGB565: case LV_COLOR_FORMAT_RGB565:
case LV_COLOR_FORMAT_AL88:
return 16; return 16;
case LV_COLOR_FORMAT_ARGB8565: case LV_COLOR_FORMAT_ARGB8565:
@ -88,6 +89,7 @@ bool lv_color_format_has_alpha(lv_color_format_t cf)
case LV_COLOR_FORMAT_I8: case LV_COLOR_FORMAT_I8:
case LV_COLOR_FORMAT_RGB565A8: case LV_COLOR_FORMAT_RGB565A8:
case LV_COLOR_FORMAT_ARGB8888: case LV_COLOR_FORMAT_ARGB8888:
case LV_COLOR_FORMAT_AL88:
return true; return true;
default: default:
return false; return false;

52
src/misc/lv_color.h
View File

@ -1,4 +1,4 @@
/** /**
* @file lv_color.h * @file lv_color.h
* *
*/ */
@ -72,6 +72,7 @@ typedef uint8_t lv_opa_t;
(cf) == LV_COLOR_FORMAT_L8 ? 8 : \ (cf) == LV_COLOR_FORMAT_L8 ? 8 : \
(cf) == LV_COLOR_FORMAT_A8 ? 8 : \ (cf) == LV_COLOR_FORMAT_A8 ? 8 : \
(cf) == LV_COLOR_FORMAT_I8 ? 8 : \ (cf) == LV_COLOR_FORMAT_I8 ? 8 : \
(cf) == LV_COLOR_FORMAT_AL88 ? 16 : \
(cf) == LV_COLOR_FORMAT_RGB565 ? 16 : \ (cf) == LV_COLOR_FORMAT_RGB565 ? 16 : \
(cf) == LV_COLOR_FORMAT_RGB565A8 ? 16 : \ (cf) == LV_COLOR_FORMAT_RGB565A8 ? 16 : \
(cf) == LV_COLOR_FORMAT_ARGB8565 ? 24 : \ (cf) == LV_COLOR_FORMAT_ARGB8565 ? 24 : \
@ -110,6 +111,11 @@ typedef struct {
uint8_t v; uint8_t v;
} lv_color_hsv_t; } lv_color_hsv_t;
typedef struct {
uint8_t lumi;
uint8_t alpha;
} lv_color16a_t;
enum _lv_color_format_t { enum _lv_color_format_t {
LV_COLOR_FORMAT_UNKNOWN = 0, LV_COLOR_FORMAT_UNKNOWN = 0,
@ -127,7 +133,8 @@ enum _lv_color_format_t {
/*2 byte (+alpha) formats*/ /*2 byte (+alpha) formats*/
LV_COLOR_FORMAT_RGB565 = 0x12, LV_COLOR_FORMAT_RGB565 = 0x12,
LV_COLOR_FORMAT_ARGB8565 = 0x13, /**< Not supported by sw renderer yet. */ LV_COLOR_FORMAT_ARGB8565 = 0x13, /**< Not supported by sw renderer yet. */
LV_COLOR_FORMAT_RGB565A8 = 0x14 /**< Color array followed by Alpha array*/, LV_COLOR_FORMAT_RGB565A8 = 0x14, /**< Color array followed by Alpha array*/
LV_COLOR_FORMAT_AL88 = 0x15, /**< L8 with alpha >*/
/*3 byte (+alpha) formats*/ /*3 byte (+alpha) formats*/
LV_COLOR_FORMAT_RGB888 = 0x0F, LV_COLOR_FORMAT_RGB888 = 0x0F,
@ -158,6 +165,7 @@ enum _lv_color_format_t {
/*Color formats in which LVGL can render*/ /*Color formats in which LVGL can render*/
#if LV_COLOR_DEPTH == 8 #if LV_COLOR_DEPTH == 8
LV_COLOR_FORMAT_NATIVE = LV_COLOR_FORMAT_L8, LV_COLOR_FORMAT_NATIVE = LV_COLOR_FORMAT_L8,
LV_COLOR_FORMAT_NATIVE_WITH_ALPHA = LV_COLOR_FORMAT_AL88,
#elif LV_COLOR_DEPTH == 16 #elif LV_COLOR_DEPTH == 16
LV_COLOR_FORMAT_NATIVE = LV_COLOR_FORMAT_RGB565, LV_COLOR_FORMAT_NATIVE = LV_COLOR_FORMAT_RGB565,
LV_COLOR_FORMAT_NATIVE_WITH_ALPHA = LV_COLOR_FORMAT_RGB565A8, LV_COLOR_FORMAT_NATIVE_WITH_ALPHA = LV_COLOR_FORMAT_RGB565A8,
@ -439,6 +447,46 @@ static inline void lv_color16_premultiply(lv_color16_t * c, lv_opa_t a)
c->blue = LV_OPA_MIX2(c->blue, a); c->blue = LV_OPA_MIX2(c->blue, a);
} }
/**
* Get the luminance of a color: luminance = 0.3 R + 0.59 G + 0.11 B
* @param color a color
* @return the brightness [0..255]
*/
static inline uint8_t lv_color_luminance(lv_color_t c)
{
return (uint8_t)((uint16_t)(77u * c.red + 151u * c.green + 28u * c.blue) >> 8);
}
/**
* Get the luminance of a color16: luminance = 0.3 R + 0.59 G + 0.11 B
* @param color a color
* @return the brightness [0..255]
*/
static inline uint8_t lv_color16_luminance(const lv_color16_t c)
{
return (uint8_t)((uint16_t)(635u * c.red + 613u * c.green + 231u * c.blue) >> 8);
}
/**
* Get the luminance of a color24: luminance = 0.3 R + 0.59 G + 0.11 B
* @param color a color
* @return the brightness [0..255]
*/
static inline uint8_t lv_color24_luminance(const uint8_t * c)
{
return (uint8_t)((uint16_t)(77u * c[2] + 151u * c[1] + 28u * c[0]) >> 8);
}
/**
* Get the luminance of a color32: luminance = 0.3 R + 0.59 G + 0.11 B
* @param color a color
* @return the brightness [0..255]
*/
static inline uint8_t lv_color32_luminance(lv_color32_t c)
{
return (uint8_t)((uint16_t)(77u * c.red + 151u * c.green + 28u * c.blue) >> 8);
}
/********************** /**********************
* MACROS * MACROS
**********************/ **********************/

1
src/others/snapshot/lv_snapshot.c
View File

@ -80,6 +80,7 @@ lv_result_t lv_snapshot_take_to_draw_buf(lv_obj_t * obj, lv_color_format_t cf, l
case LV_COLOR_FORMAT_RGB888: case LV_COLOR_FORMAT_RGB888:
case LV_COLOR_FORMAT_XRGB8888: case LV_COLOR_FORMAT_XRGB8888:
case LV_COLOR_FORMAT_ARGB8888: case LV_COLOR_FORMAT_ARGB8888:
case LV_COLOR_FORMAT_L8:
break; break;
default: default:
LV_LOG_WARN("Not supported color format"); LV_LOG_WARN("Not supported color format");

38
src/widgets/canvas/lv_canvas.c
View File

@ -1,4 +1,4 @@
/** /**
* @file lv_canvas.c * @file lv_canvas.c
* *
*/ */
@ -122,6 +122,9 @@ void lv_canvas_set_px(lv_obj_t * obj, int32_t x, int32_t y, lv_color_t color, lv
*buf &= ~(1 << bit); *buf &= ~(1 << bit);
*buf |= c_int << bit; *buf |= c_int << bit;
} }
else if(cf == LV_COLOR_FORMAT_L8) {
*data = lv_color_luminance(color);
}
else if(cf == LV_COLOR_FORMAT_A8) { else if(cf == LV_COLOR_FORMAT_A8) {
*data = opa; *data = opa;
} }
@ -149,6 +152,11 @@ void lv_canvas_set_px(lv_obj_t * obj, int32_t x, int32_t y, lv_color_t color, lv
buf->blue = color.blue; buf->blue = color.blue;
buf->alpha = opa; buf->alpha = opa;
} }
else if(cf == LV_COLOR_FORMAT_AL88) {
lv_color16a_t * buf = (lv_color16a_t *)data;
buf->lumi = lv_color_luminance(color);
buf->alpha = 255;
}
lv_obj_invalidate(obj); lv_obj_invalidate(obj);
} }
@ -212,6 +220,13 @@ lv_color32_t lv_canvas_get_px(lv_obj_t * obj, int32_t x, int32_t y)
ret.alpha = px[0]; ret.alpha = px[0];
break; break;
} }
case LV_COLOR_FORMAT_L8: {
ret.red = *px;
ret.green = *px;
ret.blue = *px;
ret.alpha = 0xFF;
break;
}
default: default:
lv_memzero(&ret, sizeof(lv_color32_t)); lv_memzero(&ret, sizeof(lv_color32_t));
break; break;
@ -303,6 +318,27 @@ void lv_canvas_fill_bg(lv_obj_t * obj, lv_color_t color, lv_opa_t opa)
} }
} }
} }
else if(header->cf == LV_COLOR_FORMAT_L8) {
uint8_t c8 = lv_color_luminance(color);
for(y = 0; y < header->h; y++) {
uint8_t * buf = (uint8_t *)(data + y * stride);
for(x = 0; x < header->w; x++) {
buf[x] = c8;
}
}
}
else if(header->cf == LV_COLOR_FORMAT_AL88) {
lv_color16a_t c;
c.lumi = lv_color_luminance(color);
c.alpha = 255;
for(y = 0; y < header->h; y++) {
lv_color16a_t * buf = (lv_color16a_t *)(data + y * stride);
for(x = 0; x < header->w; x++) {
buf[x] = c;
}
}
}
else { else {
for(y = 0; y < header->h; y++) { for(y = 0; y < header->h; y++) {
for(x = 0; x < header->w; x++) { for(x = 0; x < header->w; x++) {

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