lcd drivers: split lcd_gradient_rect so it is actually useful

lcd_gradient_rect() was only usable to draw list lines, so split
it up and make a generic gradient draw function available to apps/

Change-Id: I665911a90fef239b5e06592ea2763cbeeb74c83f

1 files changed, 2 insertions, 0 deletions

diff --git a/firmware/export/lcd.h b/firmware/export/lcd.h
index 7e0e979821..dbb3a781b8 100644
--- a/firmware/export/lcd.h
+++ b/firmware/export/lcd.h
@@ -523,6 +523,8 @@ extern void lcd_hline(int x1, int x2, int y);
 extern void lcd_vline(int x, int y1, int y2);
 extern void lcd_drawrect(int x, int y, int width, int height);
 extern void lcd_fillrect(int x, int y, int width, int height);
+extern void lcd_gradient_fillrect(int x, int y, int width, int height,
+        unsigned start_rgb, unsigned end_rgb);
 extern void lcd_draw_border_viewport(void);
 extern void lcd_fill_viewport(void);
 extern void lcd_bitmap_part(const fb_data *src, int src_x, int src_y,