lvgl · FASTSHIFT · Oct 22, 2024 · Oct 9, 2024 · Oct 10, 2024 · Oct 15, 2024
diff --git a/src/draw/vg_lite/lv_vg_lite_utils.c b/src/draw/vg_lite/lv_vg_lite_utils.c
@@ -403,6 +403,9 @@ bool lv_vg_lite_is_dest_cf_supported(lv_color_format_t cf)
         case LV_COLOR_FORMAT_RGB565:
         case LV_COLOR_FORMAT_ARGB8888:
         case LV_COLOR_FORMAT_XRGB8888:
+        case LV_COLOR_FORMAT_ARGB1555:
+        case LV_COLOR_FORMAT_ARGB4444:
+        case LV_COLOR_FORMAT_ARGB2222:
             return true;
 
         case LV_COLOR_FORMAT_ARGB8565:
@@ -425,6 +428,9 @@ bool lv_vg_lite_is_src_cf_supported(lv_color_format_t cf)
         case LV_COLOR_FORMAT_RGB565:
         case LV_COLOR_FORMAT_ARGB8888:
         case LV_COLOR_FORMAT_XRGB8888:
+        case LV_COLOR_FORMAT_ARGB1555:
+        case LV_COLOR_FORMAT_ARGB4444:
+        case LV_COLOR_FORMAT_ARGB2222:
             return true;
 
         case LV_COLOR_FORMAT_I1:
@@ -476,6 +482,15 @@ vg_lite_buffer_format_t lv_vg_lite_vg_fmt(lv_color_format_t cf)
         case LV_COLOR_FORMAT_I8:
             return VG_LITE_INDEX_8;
 
+        case LV_COLOR_FORMAT_ARGB1555:
+            return VG_LITE_BGRA5551;
+
+        case LV_COLOR_FORMAT_ARGB4444:
+            return VG_LITE_BGRA4444;
+
+        case LV_COLOR_FORMAT_ARGB2222:
+            return  VG_LITE_BGRA2222;
+
         case LV_COLOR_FORMAT_RGB565:
             return VG_LITE_BGR565;
 

diff --git a/src/misc/lv_color.c b/src/misc/lv_color.c
@@ -55,12 +55,15 @@ uint8_t lv_color_format_get_bpp(lv_color_format_t cf)
         case LV_COLOR_FORMAT_L8:
         case LV_COLOR_FORMAT_A8:
         case LV_COLOR_FORMAT_I8:
+        case LV_COLOR_FORMAT_ARGB2222:
             return 8;
 
         case LV_COLOR_FORMAT_RGB565A8:
         case LV_COLOR_FORMAT_RGB565:
         case LV_COLOR_FORMAT_YUY2:
         case LV_COLOR_FORMAT_AL88:
+        case LV_COLOR_FORMAT_ARGB1555:
+        case LV_COLOR_FORMAT_ARGB4444:
             return 16;
 
         case LV_COLOR_FORMAT_ARGB8565:
@@ -91,6 +94,9 @@ bool lv_color_format_has_alpha(lv_color_format_t cf)
         case LV_COLOR_FORMAT_ARGB8565:
         case LV_COLOR_FORMAT_ARGB8888:
         case LV_COLOR_FORMAT_AL88:
+        case LV_COLOR_FORMAT_ARGB2222:
+        case LV_COLOR_FORMAT_ARGB1555:
+        case LV_COLOR_FORMAT_ARGB4444:
             return true;
         default:
             return false;

diff --git a/src/misc/lv_color.h b/src/misc/lv_color.h
@@ -72,10 +72,13 @@ enum {
                                             (cf) == LV_COLOR_FORMAT_L8 ? 8 :        \
                                             (cf) == LV_COLOR_FORMAT_A8 ? 8 :        \
                                             (cf) == LV_COLOR_FORMAT_I8 ? 8 :        \
+                                            (cf) == LV_COLOR_FORMAT_ARGB2222 ? 8 :  \
                                             (cf) == LV_COLOR_FORMAT_AL88 ? 16 :     \
                                             (cf) == LV_COLOR_FORMAT_RGB565 ? 16 :   \
                                             (cf) == LV_COLOR_FORMAT_RGB565A8 ? 16 : \
                                             (cf) == LV_COLOR_FORMAT_YUY2 ? 16 :     \
+                                            (cf) == LV_COLOR_FORMAT_ARGB1555 ? 16 : \
+                                            (cf) == LV_COLOR_FORMAT_ARGB4444 ? 16 : \
                                             (cf) == LV_COLOR_FORMAT_ARGB8565 ? 24 : \
                                             (cf) == LV_COLOR_FORMAT_RGB888 ? 24 :   \
                                             (cf) == LV_COLOR_FORMAT_ARGB8888 ? 32 : \
@@ -154,6 +157,9 @@ typedef enum {
     LV_COLOR_FORMAT_A1                = 0x0B,
     LV_COLOR_FORMAT_A2                = 0x0C,
     LV_COLOR_FORMAT_A4                = 0x0D,
+    LV_COLOR_FORMAT_ARGB1555          = 0x16,
+    LV_COLOR_FORMAT_ARGB4444          = 0x17,
+    LV_COLOR_FORMAT_ARGB2222          = 0X18,
 
     /* reference to https://wiki.videolan.org/YUV/ */
     /*YUV planar formats*/

diff --git a/src/others/snapshot/lv_snapshot.c b/src/others/snapshot/lv_snapshot.c
@@ -86,6 +86,9 @@ lv_result_t lv_snapshot_take_to_draw_buf(lv_obj_t * obj, lv_color_format_t cf, l
         case LV_COLOR_FORMAT_A8:
         case LV_COLOR_FORMAT_L8:
         case LV_COLOR_FORMAT_I1:
+        case LV_COLOR_FORMAT_ARGB2222:
+        case LV_COLOR_FORMAT_ARGB4444:
+        case LV_COLOR_FORMAT_ARGB1555:
             break;
         default:
             LV_LOG_WARN("Not supported color format");

diff --git a/src/others/vg_lite_tvg/vg_lite_tvg.cpp b/src/others/vg_lite_tvg/vg_lite_tvg.cpp
@@ -119,6 +119,27 @@ typedef struct {
     uint8_t alpha;
 } vg_color32_t;
 
+typedef struct {
+    uint8_t blue : 4;
+    uint8_t green : 4;
+    uint8_t red : 4;
+    uint8_t alpha : 4;
+} vg_color_bgra4444_t;
+
+typedef struct {
+    uint8_t blue : 2;
+    uint8_t green : 2;
+    uint8_t red : 2;
+    uint8_t alpha : 2;
+} vg_color_bgra2222_t;
+
+typedef struct {
+    uint8_t blue : 5;
+    uint8_t green : 5;
+    uint8_t red : 5;
+    uint8_t alpha : 1;
+} vg_color_bgra5551_t;
+
 typedef struct {
     vg_lite_float_t x;
     vg_lite_float_t y;
@@ -441,6 +462,45 @@ static vg_lite_converter<vg_color32_t, uint8_t> conv_l8_to_bgra8888(
     }
 });
 
+static vg_lite_converter<vg_color32_t, vg_color_bgra5551_t> conv_bgra5551_to_bgra8888(
+    [](vg_color32_t * dest, const vg_color_bgra5551_t * src, vg_lite_uint32_t px_size, vg_lite_uint32_t /* color */)
+{
+    while(px_size--) {
+        dest->red = src->red * 0xFF / 0x1F;
+        dest->green = src->green * 0xFF / 0x1F;
+        dest->blue = src->blue * 0xFF / 0x1F;
+        dest->alpha = src->alpha ? 0xFF : 0;
+        src++;
+        dest++;
+    }
+});
+
+static vg_lite_converter<vg_color32_t, vg_color_bgra4444_t> conv_bgra4444_to_bgra8888(
+    [](vg_color32_t * dest, const vg_color_bgra4444_t * src, vg_lite_uint32_t px_size, vg_lite_uint32_t /* color */)
+{
+    while(px_size--) {
+        dest->red = src->red * 0xFF / 0xF;
+        dest->green = src->green * 0xFF / 0xF;
+        dest->blue = src->blue * 0xFF / 0xF;
+        dest->alpha = src->alpha * 0xFF / 0xF;
+        src++;
+        dest++;
+    }
+});
+
+static vg_lite_converter<vg_color32_t, vg_color_bgra2222_t> conv_bgra2222_to_bgra8888(
+    [](vg_color32_t * dest, const vg_color_bgra2222_t * src, vg_lite_uint32_t px_size, vg_lite_uint32_t /* color */)
+{
+    while(px_size--) {
+        dest->red = src->red * 0xFF / 0x3;
+        dest->green = src->green * 0xFF / 0x3;
+        dest->blue = src->blue * 0xFF / 0x3;
+        dest->alpha = src->alpha * 0xFF / 0x3;
+        src++;
+        dest++;
+    }
+});
+
 /**********************
  *      MACROS
  **********************/
@@ -686,6 +746,43 @@ extern "C" {
         }
     }
 
+    static void picture_bgra8888_to_bgra5551(vg_color_bgra5551_t * dest, const vg_color32_t * src, vg_lite_uint32_t px_size)
+    {
+        while(px_size--) {
+            dest->red = src->red * 0x1F / 0xFF;
+            dest->green = src->green * 0x1F / 0xFF;
+            dest->blue = src->blue * 0x1F / 0xFF;
+            dest->alpha = src->alpha > (0xFF / 2) ? 1 : 0;
+            src++;
+            dest++;
+        }
+    }
+
+    static void picture_bgra8888_to_bgra4444(vg_color_bgra4444_t * dest, const vg_color32_t * src, vg_lite_uint32_t px_size)
+    {
+        while(px_size--) {
+            dest->red = src->red * 0xF / 0xFF;
+            dest->green = src->green * 0xF / 0xFF;
+            dest->blue = src->blue * 0xF / 0xFF;
+            dest->alpha = src->alpha * 0xF / 0xFF;
+            src++;
+            dest++;
+        }
+    }
+
+    static void picture_bgra8888_to_bgra2222(vg_color_bgra2222_t * dest, const vg_color32_t * src, vg_lite_uint32_t px_size)
+    {
+        while(px_size--) {
+            dest->red = src->red * 0x3 / 0xFF;
+            dest->green = src->green * 0x3 / 0xFF;
+            dest->blue = src->blue * 0x3 / 0xFF;
+            dest->alpha = src->alpha * 0x3 / 0xFF;
+            src++;
+            dest++;
+        }
+    }
+
+
     vg_lite_error_t vg_lite_finish(void)
     {
         vg_lite_ctx * ctx = vg_lite_ctx::get_instance();
@@ -732,6 +829,21 @@ extern "C" {
                     (const vg_color32_t *)ctx->get_temp_target_buffer(),
                     ctx->target_px_size);
                 break;
+            case VG_LITE_BGRA5551:
+                picture_bgra8888_to_bgra5551((vg_color_bgra5551_t *)ctx->target_buffer,
+                                             (const vg_color32_t *)ctx->get_temp_target_buffer(),
+                                             ctx->target_px_size);
+                break;
+            case VG_LITE_BGRA4444:
+                picture_bgra8888_to_bgra4444((vg_color_bgra4444_t *)ctx->target_buffer,
+                                             (const vg_color32_t *)ctx->get_temp_target_buffer(),
+                                             ctx->target_px_size);
+                break;
+            case VG_LITE_BGRA2222:
+                picture_bgra8888_to_bgra2222((vg_color_bgra2222_t *)ctx->target_buffer,
+                                             (const vg_color32_t *)ctx->get_temp_target_buffer(),
+                                             ctx->target_px_size);
+                break;
             case VG_LITE_BGRA8888:
             case VG_LITE_BGRX8888:
                 /* No conversion required. */
@@ -2547,6 +2659,21 @@ static Result picture_load(vg_lite_ctx * ctx, std::unique_ptr<Picture> & picture
                 }
                 break;
 
+            case VG_LITE_BGRA5551: {
+                    conv_bgra5551_to_bgra8888.convert(&target, source);
+                }
+                break;
+
+            case VG_LITE_BGRA4444: {
+                    conv_bgra4444_to_bgra8888.convert(&target, source);
+                }
+                break;
+
+            case VG_LITE_BGRA2222: {
+                    conv_bgra2222_to_bgra8888.convert(&target, source);
+                }
+                break;
+
 #if LV_VG_LITE_THORVG_YUV_SUPPORT
             case VG_LITE_NV12: {
                     libyuv::NV12ToARGB((const uint8_t *)source->memory, source->stride, (const uint8_t *)source->yuv.uv_memory,

diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_arc_image_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_arc_image_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_arc_image_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_arc_image_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_arc_normal_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_arc_normal_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_arc_normal_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_arc_normal_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_blend_mode_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_blend_mode_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_blend_mode_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_blend_mode_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_border_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_border_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_border_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_border_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_box_shadow_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_box_shadow_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_box_shadow_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_box_shadow_opa_255.png
diff --git a/.../ref_imgs_vg_lite/draw/render/argb1555/demo_render_conical_gradient_opa_128.png b/.../ref_imgs_vg_lite/draw/render/argb1555/demo_render_conical_gradient_opa_128.png
diff --git a/.../ref_imgs_vg_lite/draw/render/argb1555/demo_render_conical_gradient_opa_255.png b/.../ref_imgs_vg_lite/draw/render/argb1555/demo_render_conical_gradient_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_fill_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_fill_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_fill_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_fill_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_image_normal_1_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_image_normal_1_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_image_normal_1_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_image_normal_1_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_image_normal_2_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_image_normal_2_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_image_normal_2_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_image_normal_2_opa_255.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb1555/demo_render_image_recolor_1_opa_128.png b/...s/ref_imgs_vg_lite/draw/render/argb1555/demo_render_image_recolor_1_opa_128.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb1555/demo_render_image_recolor_1_opa_255.png b/...s/ref_imgs_vg_lite/draw/render/argb1555/demo_render_image_recolor_1_opa_255.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb1555/demo_render_image_recolor_2_opa_128.png b/...s/ref_imgs_vg_lite/draw/render/argb1555/demo_render_image_recolor_2_opa_128.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb1555/demo_render_image_recolor_2_opa_255.png b/...s/ref_imgs_vg_lite/draw/render/argb1555/demo_render_image_recolor_2_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_layer_normal_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_layer_normal_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_layer_normal_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_layer_normal_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_line_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_line_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_line_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_line_opa_255.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb1555/demo_render_linear_gradient_opa_128.png b/...s/ref_imgs_vg_lite/draw/render/argb1555/demo_render_linear_gradient_opa_128.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb1555/demo_render_linear_gradient_opa_255.png b/...s/ref_imgs_vg_lite/draw/render/argb1555/demo_render_linear_gradient_opa_255.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb1555/demo_render_radial_gradient_opa_128.png b/...s/ref_imgs_vg_lite/draw/render/argb1555/demo_render_radial_gradient_opa_128.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb1555/demo_render_radial_gradient_opa_255.png b/...s/ref_imgs_vg_lite/draw/render/argb1555/demo_render_radial_gradient_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_text_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_text_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_text_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_text_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_triangle_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_triangle_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_triangle_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb1555/demo_render_triangle_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_arc_image_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_arc_image_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_arc_image_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_arc_image_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_arc_normal_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_arc_normal_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_arc_normal_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_arc_normal_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_blend_mode_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_blend_mode_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_blend_mode_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_blend_mode_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_border_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_border_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_border_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_border_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_box_shadow_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_box_shadow_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_box_shadow_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_box_shadow_opa_255.png
diff --git a/.../ref_imgs_vg_lite/draw/render/argb2222/demo_render_conical_gradient_opa_128.png b/.../ref_imgs_vg_lite/draw/render/argb2222/demo_render_conical_gradient_opa_128.png
diff --git a/.../ref_imgs_vg_lite/draw/render/argb2222/demo_render_conical_gradient_opa_255.png b/.../ref_imgs_vg_lite/draw/render/argb2222/demo_render_conical_gradient_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_fill_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_fill_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_fill_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_fill_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_image_normal_1_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_image_normal_1_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_image_normal_1_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_image_normal_1_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_image_normal_2_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_image_normal_2_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_image_normal_2_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_image_normal_2_opa_255.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb2222/demo_render_image_recolor_1_opa_128.png b/...s/ref_imgs_vg_lite/draw/render/argb2222/demo_render_image_recolor_1_opa_128.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb2222/demo_render_image_recolor_1_opa_255.png b/...s/ref_imgs_vg_lite/draw/render/argb2222/demo_render_image_recolor_1_opa_255.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb2222/demo_render_image_recolor_2_opa_128.png b/...s/ref_imgs_vg_lite/draw/render/argb2222/demo_render_image_recolor_2_opa_128.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb2222/demo_render_image_recolor_2_opa_255.png b/...s/ref_imgs_vg_lite/draw/render/argb2222/demo_render_image_recolor_2_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_layer_normal_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_layer_normal_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_layer_normal_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_layer_normal_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_line_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_line_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_line_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_line_opa_255.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb2222/demo_render_linear_gradient_opa_128.png b/...s/ref_imgs_vg_lite/draw/render/argb2222/demo_render_linear_gradient_opa_128.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb2222/demo_render_linear_gradient_opa_255.png b/...s/ref_imgs_vg_lite/draw/render/argb2222/demo_render_linear_gradient_opa_255.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb2222/demo_render_radial_gradient_opa_128.png b/...s/ref_imgs_vg_lite/draw/render/argb2222/demo_render_radial_gradient_opa_128.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb2222/demo_render_radial_gradient_opa_255.png b/...s/ref_imgs_vg_lite/draw/render/argb2222/demo_render_radial_gradient_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_text_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_text_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_text_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_text_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_triangle_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_triangle_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_triangle_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb2222/demo_render_triangle_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_arc_image_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_arc_image_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_arc_image_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_arc_image_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_arc_normal_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_arc_normal_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_arc_normal_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_arc_normal_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_blend_mode_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_blend_mode_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_blend_mode_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_blend_mode_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_border_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_border_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_border_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_border_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_box_shadow_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_box_shadow_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_box_shadow_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_box_shadow_opa_255.png
diff --git a/.../ref_imgs_vg_lite/draw/render/argb4444/demo_render_conical_gradient_opa_128.png b/.../ref_imgs_vg_lite/draw/render/argb4444/demo_render_conical_gradient_opa_128.png
diff --git a/.../ref_imgs_vg_lite/draw/render/argb4444/demo_render_conical_gradient_opa_255.png b/.../ref_imgs_vg_lite/draw/render/argb4444/demo_render_conical_gradient_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_fill_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_fill_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_fill_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_fill_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_image_normal_1_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_image_normal_1_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_image_normal_1_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_image_normal_1_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_image_normal_2_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_image_normal_2_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_image_normal_2_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_image_normal_2_opa_255.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb4444/demo_render_image_recolor_1_opa_128.png b/...s/ref_imgs_vg_lite/draw/render/argb4444/demo_render_image_recolor_1_opa_128.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb4444/demo_render_image_recolor_1_opa_255.png b/...s/ref_imgs_vg_lite/draw/render/argb4444/demo_render_image_recolor_1_opa_255.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb4444/demo_render_image_recolor_2_opa_128.png b/...s/ref_imgs_vg_lite/draw/render/argb4444/demo_render_image_recolor_2_opa_128.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb4444/demo_render_image_recolor_2_opa_255.png b/...s/ref_imgs_vg_lite/draw/render/argb4444/demo_render_image_recolor_2_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_layer_normal_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_layer_normal_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_layer_normal_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_layer_normal_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_line_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_line_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_line_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_line_opa_255.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb4444/demo_render_linear_gradient_opa_128.png b/...s/ref_imgs_vg_lite/draw/render/argb4444/demo_render_linear_gradient_opa_128.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb4444/demo_render_linear_gradient_opa_255.png b/...s/ref_imgs_vg_lite/draw/render/argb4444/demo_render_linear_gradient_opa_255.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb4444/demo_render_radial_gradient_opa_128.png b/...s/ref_imgs_vg_lite/draw/render/argb4444/demo_render_radial_gradient_opa_128.png
diff --git a/...s/ref_imgs_vg_lite/draw/render/argb4444/demo_render_radial_gradient_opa_255.png b/...s/ref_imgs_vg_lite/draw/render/argb4444/demo_render_radial_gradient_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_text_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_text_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_text_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_text_opa_255.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_triangle_opa_128.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_triangle_opa_128.png
diff --git a/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_triangle_opa_255.png b/tests/ref_imgs_vg_lite/draw/render/argb4444/demo_render_triangle_opa_255.png
diff --git a/tests/src/test_cases/draw/test_render_to_argb1555.c b/tests/src/test_cases/draw/test_render_to_argb1555.c
@@ -0,0 +1,56 @@
+#if LV_BUILD_TEST
+#include "../lvgl.h"
+#include "../../lvgl_private.h"
+#include "../demos/lv_demos.h"
+
+#include "unity/unity.h"
+
+void setUp(void)
+{
+    /* Function run before every test */
+}
+
+void tearDown(void)
+{
+    /* Function run after every test */
+}
+
+void test_render_to_argb1555(void)
+{
+    /**
+     * There is a slight color deviation between thorvg on 32-bit and 64-bit platforms.
+     * The deviation will be amplified when using lower precision color formats.
+     * Only 64-bit platforms are tested here.
+     */
+#if LV_USE_DRAW_VG_LITE && LV_USE_SNAPSHOT && !defined(NON_AMD64_BUILD)
+
+    lv_opa_t opa_values[2] = {0xff, 0x80};
+    uint32_t opa;
+    for(opa = 0; opa < 2; opa++) {
+        uint32_t i;
+        for(i = 0; i < LV_DEMO_RENDER_SCENE_NUM; i++) {
+
+            /*Skip test with transformed indexed images if they are not loaded to RAM*/
+            if(LV_BIN_DECODER_RAM_LOAD == 0 &&
+               (i == LV_DEMO_RENDER_SCENE_IMAGE_NORMAL_2 ||
+                i == LV_DEMO_RENDER_SCENE_IMAGE_RECOLOR_2)) continue;
+
+            lv_demo_render(i, opa_values[opa]);
+            lv_draw_buf_t * draw_buf = lv_snapshot_take(lv_screen_active(), LV_COLOR_FORMAT_ARGB1555);
+            lv_obj_t * img = lv_image_create(lv_layer_top());
+            lv_image_set_src(img, draw_buf);
+
+            char buf[128];
+            lv_snprintf(buf, sizeof(buf), "draw/render/argb1555/demo_render_%s_opa_%d.png",
+                        lv_demo_render_get_scene_name(i), opa_values[opa]);
+            TEST_ASSERT_EQUAL_SCREENSHOT(buf);
+            lv_obj_delete(img);
+            lv_draw_buf_destroy(draw_buf);
+        }
+    }
+#else
+    TEST_PASS();
+#endif
+}
+
+#endif
diff --git a/tests/src/test_cases/draw/test_render_to_argb2222.c b/tests/src/test_cases/draw/test_render_to_argb2222.c
@@ -0,0 +1,56 @@
+#if LV_BUILD_TEST
+#include "../lvgl.h"
+#include "../../lvgl_private.h"
+#include "../demos/lv_demos.h"
+
+#include "unity/unity.h"
+
+void setUp(void)
+{
+    /* Function run before every test */
+}
+
+void tearDown(void)
+{
+    /* Function run after every test */
+}
+
+void test_render_to_argb2222(void)
+{
+    /**
+     * There is a slight color deviation between thorvg on 32-bit and 64-bit platforms.
+     * The deviation will be amplified when using lower precision color formats.
+     * Only 64-bit platforms are tested here.
+     */
+#if LV_USE_DRAW_VG_LITE && LV_USE_SNAPSHOT && !defined(NON_AMD64_BUILD)
+
+    lv_opa_t opa_values[2] = {0xff, 0x80};
+    uint32_t opa;
+    for(opa = 0; opa < 2; opa++) {
+        uint32_t i;
+        for(i = 0; i < LV_DEMO_RENDER_SCENE_NUM; i++) {
+
+            /*Skip test with transformed indexed images if they are not loaded to RAM*/
+            if(LV_BIN_DECODER_RAM_LOAD == 0 &&
+               (i == LV_DEMO_RENDER_SCENE_IMAGE_NORMAL_2 ||
+                i == LV_DEMO_RENDER_SCENE_IMAGE_RECOLOR_2)) continue;
+
+            lv_demo_render(i, opa_values[opa]);
+            lv_draw_buf_t * draw_buf = lv_snapshot_take(lv_screen_active(), LV_COLOR_FORMAT_ARGB2222);
+            lv_obj_t * img = lv_image_create(lv_layer_top());
+            lv_image_set_src(img, draw_buf);
+
+            char buf[128];
+            lv_snprintf(buf, sizeof(buf), "draw/render/argb2222/demo_render_%s_opa_%d.png",
+                        lv_demo_render_get_scene_name(i), opa_values[opa]);
+            TEST_ASSERT_EQUAL_SCREENSHOT(buf);
+            lv_obj_delete(img);
+            lv_draw_buf_destroy(draw_buf);
+        }
+    }
+#else
+    TEST_PASS();
+#endif
+}
+
+#endif