video: fix bug in logo_plot

If logo_plot() should ever be called with x starting
position other than zero and for pixel depths greater
than 8bpp, logo colors distortion will be observed.
This patch fixes the issue.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
This commit is contained in:
Anatolij Gustschin 2008-08-08 18:00:39 +02:00 committed by Wolfgang Denk
parent 406819ae94
commit d9015f6a50

View File

@ -1071,7 +1071,9 @@ void logo_plot (void *screen, int width, int x, int y)
int ycount = VIDEO_LOGO_HEIGHT;
unsigned char r, g, b, *logo_red, *logo_blue, *logo_green;
unsigned char *source;
unsigned char *dest = (unsigned char *)screen + ((y * width * VIDEO_PIXEL_SIZE) + x);
unsigned char *dest = (unsigned char *)screen +
((y * width * VIDEO_PIXEL_SIZE) +
x * VIDEO_PIXEL_SIZE);
#ifdef CONFIG_VIDEO_BMP_LOGO
source = bmp_logo_bitmap;