Patch #5182 by Liberman Shachar - Vertical screen scroll bug fix (inverse bar crop in vertical scroll)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9881 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 3 insertions, 2 deletions

diff --git a/firmware/drivers/lcd-2bit-horz.c b/firmware/drivers/lcd-2bit-horz.c
index abe608f6b6..14bf952bb2 100644
--- a/firmware/drivers/lcd-2bit-horz.c
+++ b/firmware/drivers/lcd-2bit-horz.c
@@ -747,7 +747,7 @@ void lcd_puts_offset(int x, int y, const unsigned char *str, int offset)
 void lcd_puts_style_offset(int x, int y, const unsigned char *str,
                            int style, int offset)
 {
-    int xpos,ypos,w,h;
+    int xpos,ypos,w,h,xrect;
     int lastmode = drawmode;
 
     /* make sure scrolling is turned off on the line we are updating */
@@ -763,7 +763,8 @@ void lcd_puts_style_offset(int x, int y, const unsigned char *str,
                (DRMODE_SOLID|DRMODE_INVERSEVID) : DRMODE_SOLID;
     lcd_putsxyofs(xpos, ypos, offset, str);
     drawmode ^= DRMODE_INVERSEVID;
-    lcd_fillrect(xpos + w - offset, ypos, LCD_WIDTH - (xpos + w - offset), h);
+    xrect = xpos + MAX(w - offset, 0);
+    lcd_fillrect(xrect, ypos, LCD_WIDTH - xrect, h);
     drawmode = lastmode;
 }