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[color] allow alpha to omitted when converting from strings

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Parse #rgb and #rrggbb in addition to forms with the alpha channel
specified. This allows conversion of colour strings from documents such as
CSS where the alpha channel is not specified when using '#' notation.
This commit is contained in:
Thomas Wood 2009-10-07 11:38:08 +01:00
parent 9e03d92316
commit eb8daac4b0
1 changed files with 22 additions and 0 deletions
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22
clutter/clutter-color.c
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@ -430,6 +430,28 @@ clutter_color_from_string (ClutterColor *color,
return TRUE;
}
else if (strlen (str) == 7)
{
/* #rrggbb */
color->red = (result >> 24) & 0xff;
color->green = (result >> 16) & 0xff;
color->blue = (result >> 8) & 0xff;
color->alpha = 0xff;
}
else if (strlen (str) == 4)
{
/* #rgb */
color->red = ((result >> 12) & 0xf);
color->green = ((result >> 8) & 0xf);
color->blue = ((result >> 4) & 0xf);
color->red = (color->red << 4) | color->red;
color->green = (color->green << 4) | color->green;
color->blue = (color->blue << 4) | color->blue;
color->alpha = 0xff;
}
}
}