120     lv_draw_sw_blend_dsc_t blend_dsc = {0};  in lv_draw_sw_arc()  local
121     blend_dsc.mask_buf = mask_buf;  in lv_draw_sw_arc()
122     blend_dsc.opa = dsc->opa;  in lv_draw_sw_arc()
123     blend_dsc.blend_area = &blend_area;  in lv_draw_sw_arc()
124     blend_dsc.mask_area = &blend_area;  in lv_draw_sw_arc()
129         blend_dsc.color = dsc->color;  in lv_draw_sw_arc()
135             blend_dsc.color = dsc->color;  in lv_draw_sw_arc()
144             blend_dsc.src_area = &img_area;  in lv_draw_sw_arc()
145             blend_dsc.src_buf = decoder_dsc.decoded->data;  in lv_draw_sw_arc()
146             blend_dsc.src_stride = decoder_dsc.decoded->header.stride;  in lv_draw_sw_arc()
147             blend_dsc.src_color_format = decoder_dsc.decoded->header.cf;  in lv_draw_sw_arc()
148             if(blend_dsc.src_color_format == LV_COLOR_FORMAT_RGB565A8) {  in lv_draw_sw_arc()
149                 blend_dsc.src_color_format = LV_COLOR_FORMAT_RGB565;  in lv_draw_sw_arc()
150 …img_mask = (uint8_t *)blend_dsc.src_buf + blend_dsc.src_stride * lv_area_get_height(blend_dsc.src_…  in lv_draw_sw_arc()
186 …blend_dsc.mask_res = lv_draw_sw_mask_apply(mask_list, mask_buf, blend_area.x1, blend_area.y1, blen…  in lv_draw_sw_arc()
190                 if(blend_dsc.mask_res == LV_DRAW_SW_MASK_RES_TRANSP) {  in lv_draw_sw_arc()
192                     blend_dsc.mask_res = LV_DRAW_SW_MASK_RES_CHANGED;  in lv_draw_sw_arc()
197                 if(blend_dsc.mask_res == LV_DRAW_SW_MASK_RES_TRANSP) {  in lv_draw_sw_arc()
199                     blend_dsc.mask_res = LV_DRAW_SW_MASK_RES_CHANGED;  in lv_draw_sw_arc()
206         if(img_mask && blend_dsc.mask_res != LV_DRAW_SW_MASK_RES_TRANSP) {  in lv_draw_sw_arc()
208             img_mask_tmp += blend_dsc.src_stride / 2 * (blend_area.y1 - blend_dsc.src_area->y1);  in lv_draw_sw_arc()
209             img_mask_tmp += blend_area.x1 - blend_dsc.src_area->x1;  in lv_draw_sw_arc()
215             if(blend_dsc.mask_res == LV_DRAW_SW_MASK_RES_FULL_COVER) {  in lv_draw_sw_arc()
216                 blend_dsc.mask_res = LV_DRAW_SW_MASK_RES_CHANGED;  in lv_draw_sw_arc()
220         lv_draw_sw_blend(draw_unit, &blend_dsc);  in lv_draw_sw_arc()