video: Fix line padding calculation for 16 and 24 BPP bitmaps
Each row in the pixel array in the bitmap file is padded
if necessary so the row size is always a multiple of 4 bytes.
In current code the complement of row size to a multiple of
4 bytes is further unnecessarily multiplied by the pixel size.
This results in incorrect displaying of bitmaps having row size
that is not a multiple of 4 bytes. Fix this by removing
the unnecessary multiplication.
Tested with 24BPP bitmap and XRGB32 display.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/drivers/video/video_bmp.c b/drivers/video/video_bmp.c
index 66de223..1e6f07f 100644
--- a/drivers/video/video_bmp.c
+++ b/drivers/video/video_bmp.c
@@ -328,7 +328,7 @@
for (j = 0; j < width; j++)
fb_put_word(&fb, &bmap);
- bmap += (padded_width - width) * 2;
+ bmap += (padded_width - width);
fb -= width * 2 + priv->line_length;
}
break;
@@ -352,7 +352,7 @@
}
}
fb -= priv->line_length + width * (bpix / 8);
- bmap += (padded_width - width) * 3;
+ bmap += (padded_width - width);
}
break;
#endif /* CONFIG_BMP_24BPP */