mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-11-17 09:51:38 +00:00
58 lines
No EOL
2.2 KiB
C++
58 lines
No EOL
2.2 KiB
C++
|
|
/*
|
|
** imagehelpers.cpp
|
|
** Utilities for image conversion - mostly 8 bit paletted baggage
|
|
**
|
|
**---------------------------------------------------------------------------
|
|
** Copyright 2004-2007 Randy Heit
|
|
** Copyright 2006-2018 Christoph Oelckers
|
|
** All rights reserved.
|
|
**
|
|
** Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions
|
|
** are met:
|
|
**
|
|
** 1. Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** 2. Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in the
|
|
** documentation and/or other materials provided with the distribution.
|
|
** 3. The name of the author may not be used to endorse or promote products
|
|
** derived from this software without specific prior written permission.
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
**---------------------------------------------------------------------------
|
|
**
|
|
**
|
|
*/
|
|
|
|
#include "imagehelpers.h"
|
|
#include "palettecontainer.h"
|
|
#include "colormatcher.h"
|
|
|
|
namespace ImageHelpers
|
|
{
|
|
uint8_t GrayMap[256];
|
|
int alphaThreshold;
|
|
ColorTable256k RGB256k;
|
|
|
|
void SetPalette(const PalEntry* colors)
|
|
{
|
|
// create the RGB666 lookup table
|
|
for (int r = 0; r < 64; r++)
|
|
for (int g = 0; g < 64; g++)
|
|
for (int b = 0; b < 64; b++)
|
|
RGB256k.RGB[r][g][b] = ColorMatcher.Pick((r<<2)|(r>>4), (g<<2)|(g>>4), (b<<2)|(b>>4));
|
|
}
|
|
|
|
|
|
} |