92 void lv_canvas_set_px_opa(lv_obj_t * obj, lv_coord_t x, lv_coord_t y, lv_opa_t opa)  in lv_canvas_set_px_opa()  argument
98     lv_img_buf_set_px_alpha(&canvas->dsc, x, y, opa);  in lv_canvas_set_px_opa()
277         lv_opa_t opa = LV_OPA_TRANSP;  in lv_canvas_blur_hor()  local
285             if(has_alpha) opa = lv_img_buf_get_px_alpha(&line_img, x_safe, 0);  in lv_canvas_blur_hor()
294             if(has_alpha) asum += opa;  in lv_canvas_blur_hor()
312                 if(has_alpha) opa = asum / r;  in lv_canvas_blur_hor()
316             if(has_alpha) lv_img_buf_set_px_alpha(&canvas->dsc, x, y, opa);  in lv_canvas_blur_hor()
321             if(has_alpha) opa = lv_img_buf_get_px_alpha(&line_img, x_safe, 0);  in lv_canvas_blur_hor()
330             if(has_alpha) asum -= opa;  in lv_canvas_blur_hor()
335             if(has_alpha) opa = lv_img_buf_get_px_alpha(&line_img, x_safe, 0);  in lv_canvas_blur_hor()
344             if(has_alpha) asum += opa;  in lv_canvas_blur_hor()
404         lv_opa_t opa = LV_OPA_COVER;  in lv_canvas_blur_ver()  local
411             if(has_alpha) opa = lv_img_buf_get_px_alpha(&canvas->dsc, x, y_safe);  in lv_canvas_blur_ver()
414             if(has_alpha) lv_img_buf_set_px_alpha(&line_img, 0, y_safe, opa);  in lv_canvas_blur_ver()
423             if(has_alpha) asum += opa;  in lv_canvas_blur_ver()
440                 if(has_alpha) opa = asum / r;  in lv_canvas_blur_ver()
444             if(has_alpha) lv_img_buf_set_px_alpha(&canvas->dsc, x, y, opa);  in lv_canvas_blur_ver()
449             if(has_alpha) opa = lv_img_buf_get_px_alpha(&line_img, 0, y_safe);  in lv_canvas_blur_ver()
458             if(has_alpha) asum -= opa;  in lv_canvas_blur_ver()
464             if(has_alpha) opa = lv_img_buf_get_px_alpha(&canvas->dsc, x, y_safe);  in lv_canvas_blur_ver()
467             if(has_alpha) lv_img_buf_set_px_alpha(&line_img, 0, y_safe, opa);  in lv_canvas_blur_ver()
476             if(has_alpha) asum += opa;  in lv_canvas_blur_ver()
485 void lv_canvas_fill_bg(lv_obj_t * canvas, lv_color_t color, lv_opa_t opa)  in lv_canvas_fill_bg()  argument
498 …      lv_memset((uint8_t *)dsc->data, opa > LV_OPA_50 ? 0xff : 0x00, row_byte_cnt * dsc->header.h);  in lv_canvas_fill_bg()
506                 lv_img_buf_set_px_alpha(dsc, x, y, opa);  in lv_canvas_fill_bg()