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lv_imgbtn: add tiled option

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This commit is contained in:
Gabor Kiss-Vamosi 2018-11-20 17:05:55 +01:00
parent 699f40c9b2
commit dc436a66cc
3 changed files with 124 additions and 13 deletions
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3
lv_conf_templ.h
View File

@ -277,6 +277,9 @@
/*Image Button (dependencies: lv_btn*/
#define USE_LV_IMGBTN 1
#if USE_LV_IMGBTN
#define LV_IMGBTN_TILED 1 /*1: The imgbtn requires left, mid and right parts and the width can be set freely*/
#endif
/*Button matrix (dependencies: -)*/
#define USE_LV_BTNM 1

115
lv_objx/lv_imgbtn.c
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@ -61,11 +61,14 @@ lv_obj_t * lv_imgbtn_create(lv_obj_t * par, const lv_obj_t * copy)
if(ancestor_design == NULL) ancestor_design = lv_obj_get_design_func(new_imgbtn);
/*Initialize the allocated 'ext' */
ext->img_src[LV_BTN_STATE_REL] = NULL;
ext->img_src[LV_BTN_STATE_PR] = NULL;
ext->img_src[LV_BTN_STATE_TGL_REL] = NULL;
ext->img_src[LV_BTN_STATE_TGL_PR] = NULL;;
ext->img_src[LV_BTN_STATE_INA] = NULL;
#if LV_IMGBTN_TILED == 0
memset(ext->img_src, 0, sizeof(ext->img_src));
#else
memset(ext->img_src_left, 0, sizeof(ext->img_src_left));
memset(ext->img_src_mid, 0, sizeof(ext->img_src_mid));
memset(ext->img_src_right, 0, sizeof(ext->img_src_right));
#endif
ext->act_cf = LV_IMG_CF_UNKOWN;
/*The signal and design functions are not copied so set them here*/
@ -79,12 +82,13 @@ lv_obj_t * lv_imgbtn_create(lv_obj_t * par, const lv_obj_t * copy)
/*Copy an existing image button*/
else {
lv_imgbtn_ext_t * copy_ext = lv_obj_get_ext_attr(copy);
lv_imgbtn_set_src(new_imgbtn, LV_BTN_STATE_REL, copy_ext->img_src[LV_BTN_STATE_REL]);
lv_imgbtn_set_src(new_imgbtn, LV_BTN_STATE_PR, copy_ext->img_src[LV_BTN_STATE_PR]);
lv_imgbtn_set_src(new_imgbtn, LV_BTN_STATE_TGL_REL, copy_ext->img_src[LV_BTN_STATE_TGL_REL]);
lv_imgbtn_set_src(new_imgbtn, LV_BTN_STATE_TGL_PR, copy_ext->img_src[LV_BTN_STATE_TGL_PR]);
lv_imgbtn_set_src(new_imgbtn, LV_BTN_STATE_INA, copy_ext->img_src[LV_BTN_STATE_INA]);
#if LV_IMGBTN_TILED == 0
memset(ext->img_src, 0, sizeof(ext->img_src));
#else
memcpy(ext->img_src_left, copy_ext->img_src_left, sizeof(ext->img_src_left));
memcpy(ext->img_src_mid, copy_ext->img_src_mid, sizeof(ext->img_src_mid));
memcpy(ext->img_src_right, copy_ext->img_src_right, sizeof(ext->img_src_right));
#endif
/*Refresh the style with new signal function*/
lv_obj_refresh_style(new_imgbtn);
}
@ -98,6 +102,7 @@ lv_obj_t * lv_imgbtn_create(lv_obj_t * par, const lv_obj_t * copy)
* Setter functions
*====================*/
#if LV_IMGBTN_TILED == 0
/**
* Set images for a state of the image button
* @param imgbtn pointer to an image button object
@ -113,6 +118,28 @@ void lv_imgbtn_set_src(lv_obj_t * imgbtn, lv_btn_state_t state, const void * src
refr_img(imgbtn);
}
#else
/**
* Set images for a state of the image button
* @param imgbtn pointer to an image button object
* @param state for which state set the new image (from `lv_btn_state_t`) `
* @param src_left pointer to an image source for the left side of the button (a C array or path to a file)
* @param src_mid pointer to an image source for the middle of the button (ideally 1px wide) (a C array or path to a file)
* @param src_right pointer to an image source for the right side of the button (a C array or path to a file)
*/
void lv_imgbtn_set_src(lv_obj_t * imgbtn, lv_btn_state_t state, const void * src_left, const void * src_mid, const void * src_right)
{
lv_imgbtn_ext_t * ext = lv_obj_get_ext_attr(imgbtn);
ext->img_src_left[state] = src_left;
ext->img_src_mid[state] = src_mid;
ext->img_src_right[state] = src_right;
refr_img(imgbtn);
}
#endif
/**
* Set a style of a image button.
* @param imgbtn pointer to image button object
@ -138,7 +165,7 @@ const void * lv_imgbtn_get_src(lv_obj_t * imgbtn, lv_btn_state_t state)
{
lv_imgbtn_ext_t * ext = lv_obj_get_ext_attr(imgbtn);
return ext->img_src[state];
return NULL;//ext->img_src[state];
}
/**
@ -191,10 +218,62 @@ static bool lv_imgbtn_design(lv_obj_t * imgbtn, const lv_area_t * mask, lv_desig
/*Just draw an image*/
lv_imgbtn_ext_t * ext = lv_obj_get_ext_attr(imgbtn);
lv_btn_state_t state = lv_imgbtn_get_state(imgbtn);
const void * src = ext->img_src[state];
lv_style_t * style = lv_imgbtn_get_style(imgbtn, state);
lv_opa_t opa_scale = lv_obj_get_opa_scale(imgbtn);
#if LV_IMGBTN_TILED == 0
const void * src = ext->img_src[state];
lv_draw_img(&imgbtn->coords, mask, src, style, opa_scale);
#else
const void * src;
lv_img_header_t header;
lv_area_t coords;
lv_coord_t left_w = 0;
lv_coord_t right_w = 0;
src = ext->img_src_left[state];
if(src) {
lv_img_dsc_get_info(src, &header);
left_w = header.w;
coords.x1 = imgbtn->coords.x1;
coords.y1 = imgbtn->coords.y1;
coords.x2 = coords.x1 + header.w - 1;
coords.y2 = coords.y1 + header.h - 1;
lv_draw_img(&coords, mask, src, style, opa_scale);
}
src = ext->img_src_right[state];
if(src) {
lv_img_dsc_get_info(src, &header);
right_w = header.w;
coords.x1 = imgbtn->coords.x2 - header.w + 1;
coords.y1 = imgbtn->coords.y1;
coords.x2 = imgbtn->coords.x2;
coords.y2 = imgbtn->coords.y1 + header.h - 1;
lv_draw_img(&coords, mask, src, style, opa_scale);
}
src = ext->img_src_mid[state];
if(src) {
lv_coord_t obj_w = lv_obj_get_width(imgbtn);
lv_coord_t i;
lv_img_dsc_get_info(src, &header);
coords.x1 = imgbtn->coords.x1 + left_w ;
coords.y1 = imgbtn->coords.y1;
coords.x2 = coords.x1 + header.w - 1;
coords.y2 = imgbtn->coords.y1 + header.h - 1;
for(i = 0; i < obj_w - right_w - left_w; i += header.w) {
lv_draw_img(&coords, mask, src, style, opa_scale);
coords.x1 = coords.x2 + 1;
coords.x2 += header.w;
}
}
#endif
}
/*Post draw when the children are drawn*/
else if(mode == LV_DESIGN_DRAW_POST) {
@ -243,17 +322,27 @@ static void refr_img(lv_obj_t * imgbtn)
lv_imgbtn_ext_t * ext = lv_obj_get_ext_attr(imgbtn);
lv_btn_state_t state = lv_imgbtn_get_state(imgbtn);
lv_img_header_t header;
#if LV_IMGBTN_TILED == 0
const void * src = ext->img_src[state];
#else
const void * src = ext->img_src_mid[state];
#endif
lv_res_t info_res;
info_res = lv_img_dsc_get_info(src, &header);
if(info_res == LV_RES_OK) {
ext->act_cf = header.cf;
#if LV_IMGBTN_TILED == 0
lv_obj_set_size(imgbtn, header.w, header.h);
#else
lv_obj_set_height(imgbtn, header.h);
#endif
} else {
ext->act_cf = LV_IMG_CF_UNKOWN;
}
}
#endif

19
lv_objx/lv_imgbtn.h
View File

@ -41,7 +41,13 @@ extern "C" {
typedef struct {
lv_btn_ext_t btn; /*Ext. of ancestor*/
/*New data for this type */
#if LV_IMGBTN_TILED == 0
const void * img_src[LV_BTN_STATE_NUM]; /*Store images to each state*/
#else
const void * img_src_left[LV_BTN_STATE_NUM]; /*Store left side images to each state*/
const void * img_src_mid[LV_BTN_STATE_NUM]; /*Store center images to each state*/
const void * img_src_right[LV_BTN_STATE_NUM]; /*Store right side images to each state*/
#endif
lv_img_cf_t act_cf; /*Color format of the currently active image*/
} lv_imgbtn_ext_t;
@ -78,6 +84,7 @@ lv_obj_t * lv_imgbtn_create(lv_obj_t * par, const lv_obj_t * copy);
* Setter functions
*====================*/
#if LV_IMGBTN_TILED == 0
/**
* Set images for a state of the image button
* @param imgbtn pointer to an image button object
@ -85,6 +92,18 @@ lv_obj_t * lv_imgbtn_create(lv_obj_t * par, const lv_obj_t * copy);
* @param src pointer to an image source (a C array or path to a file)
*/
void lv_imgbtn_set_src(lv_obj_t * imgbtn, lv_btn_state_t state, const void * src);
#else
/**
* Set images for a state of the image button
* @param imgbtn pointer to an image button object
* @param state for which state set the new image (from `lv_btn_state_t`) `
* @param src_left pointer to an image source for the left side of the button (a C array or path to a file)
* @param src_mid pointer to an image source for the middle of the button (ideally 1px wide) (a C array or path to a file)
* @param src_right pointer to an image source for the right side of the button (a C array or path to a file)
*/
void lv_imgbtn_set_src(lv_obj_t * imgbtn, lv_btn_state_t state, const void * src_left, const void * src_mid, const void * src_right);
#endif
/**
* Enable the toggled states. On release the button will change from/to toggled state.