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support chrome keysed image rotatation

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This commit is contained in:
Gabor Kiss-Vamosi 2022-05-16 17:12:37 +02:00
parent 930115edbb
commit 67446a4922
1 changed files with 39 additions and 9 deletions
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48
src/draw/sw/lv_draw_sw_transform.c
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@ -9,6 +9,7 @@
#include "lv_draw_sw.h"
#include "../../misc/lv_assert.h"
#include "../../misc/lv_area.h"
#include "../../core/lv_refr.h"
#if LV_DRAW_COMPLEX
/*********************
@ -52,7 +53,7 @@ static void argb_no_aa(const uint8_t * src, lv_coord_t src_w, lv_coord_t src_h,
static void rgb_no_aa(const uint8_t * src, lv_coord_t src_w, lv_coord_t src_h, lv_coord_t src_stride,
int32_t xs_ups, int32_t ys_ups, int32_t xs_step, int32_t ys_step,
int32_t x_end, lv_color_t * cbuf, uint8_t * abuf);
int32_t x_end, lv_color_t * cbuf, uint8_t * abuf, lv_img_cf_t cf);
#if LV_COLOR_DEPTH == 16
static void rgb565a8_no_aa(const uint8_t * src, lv_coord_t src_w, lv_coord_t src_h, lv_coord_t src_stride,
@ -130,7 +131,8 @@ void lv_draw_sw_transform(lv_draw_ctx_t * draw_ctx, const lv_area_t * dest_area,
argb_no_aa(src_buf, src_w, src_h, src_stride, xs_ups, ys_ups, xs_step_256, ys_step_256, dest_w, cbuf, abuf);
break;
case LV_IMG_CF_TRUE_COLOR:
rgb_no_aa(src_buf, src_w, src_h, src_stride, xs_ups, ys_ups, xs_step_256, ys_step_256, dest_w, cbuf, abuf);
case LV_IMG_CF_TRUE_COLOR_CHROMA_KEYED:
rgb_no_aa(src_buf, src_w, src_h, src_stride, xs_ups, ys_ups, xs_step_256, ys_step_256, dest_w, cbuf, abuf, cf);
break;
#if LV_COLOR_DEPTH == 16
@ -157,10 +159,12 @@ void lv_draw_sw_transform(lv_draw_ctx_t * draw_ctx, const lv_area_t * dest_area,
static void rgb_no_aa(const uint8_t * src, lv_coord_t src_w, lv_coord_t src_h, lv_coord_t src_stride,
int32_t xs_ups, int32_t ys_ups, int32_t xs_step, int32_t ys_step,
int32_t x_end, lv_color_t * cbuf, uint8_t * abuf)
int32_t x_end, lv_color_t * cbuf, uint8_t * abuf, lv_img_cf_t cf)
{
int32_t xs_ups_start = xs_ups;
int32_t ys_ups_start = ys_ups;
lv_disp_t * d = _lv_refr_get_disp_refreshing();
lv_color_t ck = d->driver->color_chroma_key;
lv_memset_ff(abuf, x_end);
@ -190,6 +194,9 @@ static void rgb_no_aa(const uint8_t * src, lv_coord_t src_w, lv_coord_t src_h, l
cbuf[x].full = *((uint32_t *)src_tmp);
#endif
}
if(cf == LV_IMG_CF_TRUE_COLOR_CHROMA_KEYED && cbuf[x].full == ck.full) {
abuf[x] = 0x00;
}
}
}
@ -266,6 +273,7 @@ static void argb_and_rgb_aa(const uint8_t * src, lv_coord_t src_w, lv_coord_t sr
int32_t ys_ups_start = ys_ups;
bool has_alpha;
int32_t px_size;
lv_color_t ck = {0};
switch(cf) {
case LV_IMG_CF_TRUE_COLOR:
has_alpha = false;
@ -275,6 +283,13 @@ static void argb_and_rgb_aa(const uint8_t * src, lv_coord_t src_w, lv_coord_t sr
has_alpha = true;
px_size = LV_IMG_PX_SIZE_ALPHA_BYTE;
break;
case LV_IMG_CF_TRUE_COLOR_CHROMA_KEYED: {
has_alpha = true;
px_size = sizeof(lv_color_t);
lv_disp_t * d = _lv_refr_get_disp_refreshing();
ck = d->driver->color_chroma_key;
break;
}
#if LV_COLOR_DEPTH == 16
case LV_IMG_CF_RGB565A8:
has_alpha = true;
@ -343,19 +358,31 @@ static void argb_and_rgb_aa(const uint8_t * src, lv_coord_t src_w, lv_coord_t sr
lv_opa_t a_base;
lv_opa_t a_ver;
lv_opa_t a_hor;
if(cf == LV_IMG_CF_TRUE_COLOR_ALPHA) {
a_base = px_base[LV_IMG_PX_SIZE_ALPHA_BYTE - 1];
a_ver = px_ver[LV_IMG_PX_SIZE_ALPHA_BYTE - 1];
a_hor = px_hor[LV_IMG_PX_SIZE_ALPHA_BYTE - 1];
}
#if LV_COLOR_DEPTH == 16
if(cf == LV_IMG_CF_RGB565A8) {
else if(cf == LV_IMG_CF_RGB565A8) {
const lv_opa_t * a_tmp = src + src_stride * src_h * sizeof(lv_color_t);
a_base = *(a_tmp + (ys_int * src_stride) + xs_int);
a_hor = *(a_tmp + (ys_int * src_stride) + xs_int + x_next);
a_ver = *(a_tmp + ((ys_int + y_next) * src_stride) + xs_int);
}
else
#endif
{
a_base = px_base[LV_IMG_PX_SIZE_ALPHA_BYTE - 1];
a_ver = px_ver[LV_IMG_PX_SIZE_ALPHA_BYTE - 1];
a_hor = px_hor[LV_IMG_PX_SIZE_ALPHA_BYTE - 1];
else if(cf == LV_IMG_CF_TRUE_COLOR_CHROMA_KEYED) {
if(((lv_color_t *)px_base)->full == ck.full ||
((lv_color_t *)px_ver)->full == ck.full ||
((lv_color_t *)px_hor)->full == ck.full) {
abuf[x] = 0x00;
continue;
}
else {
a_base = 0xff;
a_ver = 0xff;
a_hor = 0xff;
}
}
if(a_ver != a_base) a_ver = ((a_ver * ys_fract) + (a_base * (0x100 - ys_fract))) >> 8;
@ -409,6 +436,9 @@ static void argb_and_rgb_aa(const uint8_t * src, lv_coord_t src_w, lv_coord_t sr
case LV_IMG_CF_TRUE_COLOR_ALPHA:
a = src_tmp[LV_IMG_PX_SIZE_ALPHA_BYTE - 1];
break;
case LV_IMG_CF_TRUE_COLOR_CHROMA_KEYED:
a = cbuf[x].full == ck.full ? 0x00 : 0xff;
break;
#if LV_COLOR_DEPTH == 16
case LV_IMG_CF_RGB565A8:
a = *(src + src_stride * src_h * sizeof(lv_color_t) + (ys_int * src_stride) + xs_int);