fix(vg_lite): fix vector rendering missing image opa processing (#7293)

Signed-off-by: pengyiqiang <pengyiqiang@xiaomi.com>
Co-authored-by: pengyiqiang <pengyiqiang@xiaomi.com>

src/draw/vg_lite/lv_draw_vg_lite_img.c

@@ -82,17 +82,7 @@ void lv_draw_vg_lite_img(lv_draw_unit_t * draw_unit, const lv_draw_image_dsc_t *
         return;
     }
 
-    vg_lite_color_t color = 0;
+    vg_lite_color_t color = lv_vg_lite_image_recolor(&src_buf, dsc);
-    if(LV_COLOR_FORMAT_IS_ALPHA_ONLY(decoder_dsc.decoded->header.cf) || dsc->recolor_opa > LV_OPA_TRANSP) {
-        /* alpha image and image recolor */
-        src_buf.image_mode = VG_LITE_MULTIPLY_IMAGE_MODE;
-        color = lv_vg_lite_color(dsc->recolor, LV_OPA_MIX2(dsc->opa, dsc->recolor_opa), true);
-    }
-    else if(dsc->opa < LV_OPA_COVER) {
-        /* normal image opa */
-        src_buf.image_mode = VG_LITE_MULTIPLY_IMAGE_MODE;
-        lv_memset(&color, dsc->opa, sizeof(color));
-    }
 
     /* convert the blend mode to vg-lite blend mode, considering the premultiplied alpha */
     bool has_pre_mul = lv_draw_buf_has_flag(decoder_dsc.decoded, LV_IMAGE_FLAGS_PREMULTIPLIED);

src/draw/vg_lite/lv_draw_vg_lite_vector.c

@@ -246,7 +246,7 @@ static void task_draw_cb(void * ctx, const lv_vector_path_t * path, const lv_vec
                     vg_lite_matrix_t pattern_matrix;
                     lv_vg_lite_matrix(&pattern_matrix, &m);
 
-                    vg_lite_color_t recolor = lv_vg_lite_color(dsc->fill_dsc.img_dsc.recolor, dsc->fill_dsc.img_dsc.recolor_opa, true);
+                    vg_lite_color_t recolor = lv_vg_lite_image_recolor(&image_buffer, &dsc->fill_dsc.img_dsc);
 
                     LV_VG_LITE_ASSERT_MATRIX(&pattern_matrix);
 

src/draw/vg_lite/lv_vg_lite_utils.c

@@ -780,6 +780,28 @@ void lv_vg_lite_image_matrix(vg_lite_matrix_t * matrix, int32_t x, int32_t y, co
     }
 }
 
+vg_lite_color_t lv_vg_lite_image_recolor(vg_lite_buffer_t * buffer, const lv_draw_image_dsc_t * dsc)
+{
+    LV_ASSERT_NULL(buffer);
+    LV_ASSERT_NULL(dsc);
+
+    if((buffer->format == VG_LITE_A4 || buffer->format == VG_LITE_A8) || dsc->recolor_opa > LV_OPA_TRANSP) {
+        /* alpha image and image recolor */
+        buffer->image_mode = VG_LITE_MULTIPLY_IMAGE_MODE;
+        return lv_vg_lite_color(dsc->recolor, LV_OPA_MIX2(dsc->opa, dsc->recolor_opa), true);
+    }
+
+    if(dsc->opa < LV_OPA_COVER) {
+        /* normal image opa */
+        buffer->image_mode = VG_LITE_MULTIPLY_IMAGE_MODE;
+        vg_lite_color_t color;
+        lv_memset(&color, dsc->opa, sizeof(color));
+        return color;
+    }
+
+    return 0;
+}
+
 bool lv_vg_lite_buffer_open_image(vg_lite_buffer_t * buffer, lv_image_decoder_dsc_t * decoder_dsc, const void * src,
                                   bool no_cache, bool premultiply)
 {

src/draw/vg_lite/lv_vg_lite_utils.h

@@ -130,7 +130,7 @@ void lv_vg_lite_buffer_from_draw_buf(vg_lite_buffer_t * buffer, const lv_draw_bu
 
 void lv_vg_lite_image_matrix(vg_lite_matrix_t * matrix, int32_t x, int32_t y, const lv_draw_image_dsc_t * dsc);
 
-void lv_vg_lite_image_dec_init(vg_lite_matrix_t * matrix, int32_t x, int32_t y, const lv_draw_image_dsc_t * dsc);
+vg_lite_color_t lv_vg_lite_image_recolor(vg_lite_buffer_t * buffer, const lv_draw_image_dsc_t * dsc);
 
 bool lv_vg_lite_buffer_open_image(vg_lite_buffer_t * buffer, lv_image_decoder_dsc_t * decoder_dsc, const void * src,
                                   bool no_cache, bool premultiply);