lcd_drawrect added

I was tired of calling lcd_drawline 4 times on my own.  This acts
as a wrapper around that.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@399 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 14 insertions, 0 deletions

diff --git a/firmware/drivers/lcd.c b/firmware/drivers/lcd.c
index 8a6207b..6df3f28 100644
--- a/firmware/drivers/lcd.c
+++ b/firmware/drivers/lcd.c
@@ -540,6 +540,19 @@ void lcd_bitmap (unsigned char *src, int x, int y, int nx, int ny,
     }
 }
 
+/* 
+ * Draw a rectangle with point a (upper left) at (x, y)
+ * and size (nx, ny)
+ */
+void lcd_drawrect (int x, int y, int nx, int ny)
+{
+    lcd_drawline(x, y, nx, y);
+    lcd_drawline(x, ny, nx, ny);
+
+    lcd_drawline(x, y, x, ny);
+    lcd_drawline(nx, y, nx, ny);
+}
+
 /*
  * Clear a rectangular area at (x, y), size (nx, ny)
  */
diff --git a/firmware/drivers/lcd.h b/firmware/drivers/lcd.h
index 3694ac7..7e0495c 100644
--- a/firmware/drivers/lcd.h
+++ b/firmware/drivers/lcd.h
@@ -74,6 +74,7 @@ extern void lcd_bitmap (unsigned char *src, int x, int y, int nx, int ny,
 			bool clear);
 extern void lcd_clearrect (int x, int y, int nx, int ny);
 extern void lcd_fillrect (int x, int y, int nx, int ny);
+extern void lcd_drawrect (int x, int y, int nx, int ny);
 extern void lcd_invertrect (int x, int y, int nx, int ny);
 extern void lcd_drawline( int x1, int y1, int x2, int y2 );
 extern void lcd_drawpixel(int x, int y);