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/*
* $XFree86: $
*
* Copyright © 2002 University of Southern California
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of University
* of Southern California not be used in advertising or publicity
* pertaining to distribution of the software without specific,
* written prior permission. University of Southern California makes
* no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Carl Worth, USC, Information Sciences Institute */
#include "xrint.h"
static XrColor XR_COLOR_DEFAULT = { 1.0, 1.0, 1.0, 1.0, {0xffff, 0xffff, 0xffff, 0xffff}};
static void
_XrColorComputeRenderColor(XrColor *color);
void
XrColorInit(XrColor *color)
{
*color = XR_COLOR_DEFAULT;
}
void
XrColorDeinit(XrColor *color)
{
/* Nothing to do here */
}
static void
_XrColorComputeRenderColor(XrColor *color)
{
color->render.red = color->red * color->alpha * 0xffff;
color->render.green = color->green * color->alpha * 0xffff;
color->render.blue = color->blue * color->alpha * 0xffff;
}
void
XrColorSetRGB(XrColor *color, double red, double green, double blue)
{
color->red = red;
color->green = green;
color->blue = blue;
_XrColorComputeRenderColor(color);
}
void
XrColorSetAlpha(XrColor *color, double alpha)
{
color->alpha = alpha;
_XrColorComputeRenderColor(color);
}
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