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center argb textures (icons for eg.) within the area given if they are not the same shape

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Dana Jansens 2007-05-26 17:35:17 +00:00
parent 09f4483ce0
commit 211cc4449d
1 changed files with 5 additions and 2 deletions
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7
render/image.c
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@ -142,10 +142,13 @@ void RrImageDraw(RrPixel32 *target, RrTextureRGBA *rgba,
source = rgba->data;
}
/* copy source -> dest, and apply the alpha channel */
/* copy source -> dest, and apply the alpha channel.
center the image if it is smaller than the area */
col = 0;
num_pixels = dw * dh;
dest = target + area->x + target_w * area->y;
dest = target + area->x + (area->width - dw) / 2 +
(target_w * (area->y + (area->height - dh) / 2));
while (num_pixels-- > 0) {
guchar alpha, r, g, b, bgr, bgg, bgb;