summaryrefslogtreecommitdiff
path: root/components/gui/include/rtgui/dc.h
diff options
context:
space:
mode:
Diffstat (limited to 'components/gui/include/rtgui/dc.h')
-rw-r--r--components/gui/include/rtgui/dc.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/components/gui/include/rtgui/dc.h b/components/gui/include/rtgui/dc.h
index 20350cfe89..3dddbbff2a 100644
--- a/components/gui/include/rtgui/dc.h
+++ b/components/gui/include/rtgui/dc.h
@@ -121,6 +121,8 @@ struct rtgui_dc_buffer
struct rtgui_image_item *image_item;
#endif
+ /* pixel alpha */
+ rt_uint8_t pixel_alpha;
/* pixel data */
rt_uint8_t *pixel;
};
@@ -138,6 +140,7 @@ struct rtgui_dc *rtgui_img_dc_create_pixformat(rt_uint8_t pixel_format, rt_uint8
struct rtgui_image_item *image_item);
#endif
struct rtgui_dc *rtgui_dc_buffer_create_from_dc(struct rtgui_dc* dc);
+void rtgui_dc_buffer_set_alpha(struct rtgui_dc* dc, rt_uint8_t pixel_alpha);
/* create a widget dc */
struct rtgui_dc *rtgui_dc_widget_create(struct rtgui_widget * owner);