aseprite/src/raster/rgbmap.cpp
2011-01-18 20:49:53 -03:00

103 lines
2.4 KiB
C++

/* ASE - Allegro Sprite Editor
* Copyright (C) 2001-2011 David Capello
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <allegro.h>
#include "raster/palette.h"
#include "raster/rgbmap.h"
class RgbMapImpl
{
public:
RgbMapImpl() {
m_allegMap = new RGB_MAP;
m_palette_id = 0;
m_modifications = 0;
}
~RgbMapImpl() {
delete m_allegMap;
}
bool match(const Palette* palette) const {
return (m_palette_id == palette->getId() &&
m_modifications == palette->getModifications());
}
void regenerate(const Palette* palette) {
m_palette_id = palette->getId();
m_modifications = palette->getModifications();
PALETTE allegPal;
palette->toAllegro(allegPal);
create_rgb_table(m_allegMap, allegPal, NULL);
for (int r=0; r<32; ++r)
for (int g=0; g<32; ++g)
for (int b=0; b<32; ++b) {
if (m_allegMap->data[r][g][b] >= palette->size())
m_allegMap->data[r][g][b] = palette->findBestfit(_rgb_scale_5[r],
_rgb_scale_5[g],
_rgb_scale_5[b]);
}
}
int mapColor(int r, int g, int b) const {
ASSERT(r >= 0 && r < 256);
ASSERT(g >= 0 && g < 256);
ASSERT(b >= 0 && b < 256);
return m_allegMap->data[r>>3][g>>3][b>>3];
}
private:
RGB_MAP* m_allegMap;
GfxObjId m_palette_id;
int m_modifications;
};
//////////////////////////////////////////////////////////////////////
// RgbMap
RgbMap::RgbMap()
: GfxObj(GFXOBJ_RGBMAP)
{
m_impl = new RgbMapImpl;
}
RgbMap::~RgbMap()
{
delete m_impl;
}
bool RgbMap::match(const Palette* palette) const
{
return m_impl->match(palette);
}
void RgbMap::regenerate(const Palette* palette)
{
m_impl->regenerate(palette);
}
int RgbMap::mapColor(int r, int g, int b) const
{
return m_impl->mapColor(r, g, b);
}