From e67db77d6a6a27861a10ac2ba8564e7f09486717 Mon Sep 17 00:00:00 2001
From: Markus Braun <markus.braun@krawel.de>
Date: Fri, 9 Aug 2002 12:29:46 +0000
Subject: made lcd_invertrect() working

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1644 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/drivers/lcd.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'firmware/drivers/lcd.c')

diff --git a/firmware/drivers/lcd.c b/firmware/drivers/lcd.c
index 056aca0769..d38b1daec5 100644
--- a/firmware/drivers/lcd.c
+++ b/firmware/drivers/lcd.c
@@ -910,9 +910,17 @@ void lcd_fillrect (int x, int y, int nx, int ny)
 /* Invert a rectangular area at (x, y), size (nx, ny) */
 void lcd_invertrect (int x, int y, int nx, int ny)
 {
-    int i;
+    int i,j;
+
+    if (x>LCD_WIDTH) return;
+    if (y>LCD_HEIGHT) return;
+
+    if (x+nx>LCD_WIDTH) nx=LCD_WIDTH-x;
+    if (y+ny>LCD_HEIGHT) ny=LCD_HEIGHT-y;
+
     for (i = 0; i < nx; i++)
-        lcd_bitmap (ones, x+i, y, 1, ny, false);
+        for (j = 0; j < ny; j++)
+            INVERT_PIXEL((x+i),(y+j));
 }
 
 void lcd_drawline( int x1, int y1, int x2, int y2 )
-- 
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