Hi Christian!

Does this code snippet help You? :

    state->setFillColor(&gfxColor);
  switch (colorMode) {
  case splashModeMono1:
  case splashModeMono8:
    state->getFillGray(&gray);
    color[0] = colToByte(gray);
    break;
  case splashModeXBGR8:
    color[3] = 255;
  case splashModeRGB8:
  case splashModeBGR8:
    state->getFillRGB(&rgb);
    color[0] = colToByte(rgb.r);
    color[1] = colToByte(rgb.g);
    color[2] = colToByte(rgb.b);
    break;
#if SPLASH_CMYK
  case splashModeCMYK8:
    state->getFillCMYK(&cmyk);
    color[0] = colToByte(cmyk.c);
    color[1] = colToByte(cmyk.m);
    color[2] = colToByte(cmyk.y);
    color[3] = colToByte(cmyk.k);
    break;
#endif
  }

    splashColorCopy(c, color);

It's part of my patch from bug
https://bugs.freedesktop.org/show_bug.cgi?id=30436
Have a look at it if You need more details!

Best regards,
Thomas

Am 08.10.2010 23:16, schrieb Christian Feuersaenger:
Dear developers,

as part of a patch for shaders (compare the related postings), I need to convert a given GfxColor (with well-known GfxColorSpace) to a SplashColorMode.

Is there a standard procedure of the form

gfxColorToSplashColor( GfxColorSpace* inputColorSpace, GfxColor* input, SplashColorMode outputMode, GuChar* output ) ?

I failed to find one so far, so I intent to write a helper routine which does it by means of the GfxColorSpace::getRGB() and its friends and switch statements. But if there is already a tested alternative solution, I will prefer it.

Thanks.

Best regards

Christian
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