skin_engine: New tag to draw a rectangle (optionally with a gradient)

%dr(x, y, width, height, [colour1[, colour2]]):
x,y - viewport relative pixel coordinates to start the rectangle.
width, height - obvious. can be '-' to fill the viewport
if both colours are left out the viewports foreground colour will be used
if one colour is specified it will fill the rectangle that colour.
if both colours are specified it will gradient fill the rectangle.

Change-Id: Iad451e99ded663bc7c5d182443659db7d909b388

1 files changed, 4 insertions, 0 deletions

diff --git a/apps/screen_access.h b/apps/screen_access.h
index 343829b915..ab2ef4f14d 100644
--- a/apps/screen_access.h
+++ b/apps/screen_access.h
@@ -162,6 +162,10 @@ struct screen
 #endif
 #if defined(HAVE_LCD_BITMAP)
     void (*set_framebuffer)(void *framebuffer);
+#if defined(HAVE_LCD_COLOR)    
+    void (*gradient_fillrect)(int x, int y, int width, int height,
+            unsigned start, unsigned end);
+#endif
 #endif
 };