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do random voodoo on the algorithm
2002-02-07 Havoc Pennington <hp@pobox.com> * src/theme.c (colorize_pixbuf): do random voodoo on the algorithm
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@ -1,3 +1,7 @@
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2002-02-07 Havoc Pennington <hp@pobox.com>
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* src/theme.c (colorize_pixbuf): do random voodoo on the algorithm
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2002-02-07 Havoc Pennington <hp@pobox.com>
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* src/theme.c (colorize_pixbuf): use the intensity of the gray
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src/theme.c
18
src/theme.c
@ -241,10 +241,28 @@ colorize_pixbuf (GdkPixbuf *orig,
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intensity = INTENSITY (src[0], src[1], src[2]) / 255.0;
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#if 0
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/* black to new_color */
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dr = dh;
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dg = intensity;
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db = intensity;
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hsv_to_rgb (&dr, &dg, &db);
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#else
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if (intensity <= 0.5)
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{
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/* Go from black at intensity = 0.0 to new_color at intensity = 0.5 */
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dr = (new_color->red * intensity * 2.0) / 65535.0;
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dg = (new_color->green * intensity * 2.0) / 65535.0;
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db = (new_color->blue * intensity * 2.0) / 65535.0;
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}
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else
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{
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/* Go from new_color at intensity = 0.5 to white at intensity = 1.0 */
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dr = (new_color->red + (65535 - new_color->red) * (intensity - 0.5) * 2.0) / 65535.0;
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dg = (new_color->green + (65535 - new_color->green) * (intensity - 0.5) * 2.0) / 65535.0;
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db = (new_color->blue + (65535 - new_color->blue) * (intensity - 0.5) * 2.0) / 65535.0;
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}
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#endif
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dest[0] = CLAMP_UCHAR (255 * dr);
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dest[1] = CLAMP_UCHAR (255 * dg);
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