feat(color): add color format ARGB8565

Signed-off-by: Xu Xingliang <xuxingliang@xiaomi.com>

Author: XuNeo

src/draw/lv_draw_buf.c

@@ -362,6 +362,21 @@ lv_result_t lv_draw_buf_premultiply(lv_draw_buf_t * draw_buf)
             alpha += alpha_stride;
         }
     }
+    else if(cf == LV_COLOR_FORMAT_ARGB8565) {
+        uint32_t h = draw_buf->header.h;
+        uint32_t w = draw_buf->header.w;
+        uint32_t stride = draw_buf->header.stride;
+        uint8_t * line = (uint8_t *)draw_buf->data;
+        for(uint32_t y = 0; y < h; y++) {
+            uint8_t * pixel = line;
+            for(uint32_t x = 0; x < w; x++) {
+                uint8_t alpha = pixel[2];
+                lv_color16_premultiply((lv_color16_t *)pixel, alpha);
+                pixel += 3;
+            }
+            line += stride;
+        }
+    }
     else if(LV_COLOR_FORMAT_IS_ALPHA_ONLY(cf)) {
         /*Pass*/
     }

src/libs/bin_decoder/lv_bin_decoder.c

@@ -230,7 +230,8 @@ lv_result_t lv_bin_decoder_open(lv_image_decoder_t * decoder, lv_image_decoder_d
                 || cf == LV_COLOR_FORMAT_XRGB8888   \
                 || cf == LV_COLOR_FORMAT_RGB888     \
                 || cf == LV_COLOR_FORMAT_RGB565     \
-                || cf == LV_COLOR_FORMAT_RGB565A8) {
+                || cf == LV_COLOR_FORMAT_RGB565A8   \
+                || cf == LV_COLOR_FORMAT_ARGB8565) {
             res = decode_rgb(decoder, dsc);
         }
 #else
@@ -381,6 +382,7 @@ lv_result_t lv_bin_decoder_get_area(lv_image_decoder_t * decoder, lv_image_decod
                      || cf == LV_COLOR_FORMAT_XRGB8888  \
                      || cf == LV_COLOR_FORMAT_RGB888    \
                      || cf == LV_COLOR_FORMAT_RGB565    \
+                     || cf == LV_COLOR_FORMAT_ARGB8565  \
                      || cf == LV_COLOR_FORMAT_RGB565A8;
     if(!supported) {
         LV_LOG_WARN("CF: %d is not supported", cf);
@@ -469,7 +471,7 @@ lv_result_t lv_bin_decoder_get_area(lv_image_decoder_t * decoder, lv_image_decod
     }
 
     if(cf == LV_COLOR_FORMAT_ARGB8888 || cf == LV_COLOR_FORMAT_XRGB8888 || cf == LV_COLOR_FORMAT_RGB888
-       || cf == LV_COLOR_FORMAT_RGB565) {
+       || cf == LV_COLOR_FORMAT_RGB565 || cf == LV_COLOR_FORMAT_ARGB8565) {
         uint32_t len = (w_px * bpp) / 8;
         offset += decoded_area->y1 * dsc->header.stride;
         offset += decoded_area->x1 * bpp / 8; /*Move to x1*/

src/misc/lv_color.c

@@ -62,6 +62,7 @@ uint8_t lv_color_format_get_bpp(lv_color_format_t cf)
         case LV_COLOR_FORMAT_RGB565:
             return 16;
 
+        case LV_COLOR_FORMAT_ARGB8565:
         case LV_COLOR_FORMAT_RGB888:
             return 24;
         case LV_COLOR_FORMAT_ARGB8888:

src/misc/lv_color.h

@@ -76,6 +76,7 @@ typedef uint8_t lv_opa_t;
                                             (cf) == LV_COLOR_FORMAT_I8 ? 8 :        \
                                             (cf) == LV_COLOR_FORMAT_RGB565 ? 16 :   \
                                             (cf) == LV_COLOR_FORMAT_RGB565A8 ? 16 : \
+                                            (cf) == LV_COLOR_FORMAT_ARGB8565 ? 24 : \
                                             (cf) == LV_COLOR_FORMAT_RGB888 ? 24 :   \
                                             (cf) == LV_COLOR_FORMAT_ARGB8888 ? 32 : \
                                             (cf) == LV_COLOR_FORMAT_XRGB8888 ? 32 : \
@@ -127,6 +128,7 @@ enum _lv_color_format_t {
 
     /*2 byte (+alpha) formats*/
     LV_COLOR_FORMAT_RGB565            = 0x12,
+    LV_COLOR_FORMAT_ARGB8565          = 0x13,   /**< Not supported by sw renderer yet. */
     LV_COLOR_FORMAT_RGB565A8          = 0x14    /**< Color array followed by Alpha array*/,
 
     /*3 byte (+alpha) formats*/