mirror of
https://github.com/aseprite/aseprite.git
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117 lines
3.0 KiB
C++
117 lines
3.0 KiB
C++
/* Aseprite
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* Copyright (C) 2001-2014 David Capello
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef RASTER_PALETTE_H_INCLUDED
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#define RASTER_PALETTE_H_INCLUDED
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#pragma once
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#include "raster/color.h"
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#include "raster/frame_number.h"
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#include "raster/object.h"
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#include <vector>
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#include <string>
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namespace raster {
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class SortPalette {
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public:
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enum Channel {
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RGB_Red,
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RGB_Green,
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RGB_Blue,
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HSV_Hue,
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HSV_Saturation,
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HSV_Value,
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HSL_Lightness,
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YUV_Luma,
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};
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SortPalette(Channel channel, bool ascending);
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~SortPalette();
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void addChain(SortPalette* chain);
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bool operator()(color_t c1, color_t c2);
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private:
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Channel m_channel;
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bool m_ascending;
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SortPalette* m_chain;
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};
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class Palette : public Object {
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public:
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enum { MaxColors = 256 };
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Palette(FrameNumber frame, int ncolors);
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Palette(const Palette& palette);
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~Palette();
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static Palette* createGrayscale();
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int size() const { return m_colors.size(); }
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void resize(int ncolors);
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std::string filename() const { return m_filename; }
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void setFilename(const std::string& filename) {
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m_filename = filename;
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}
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int getModifications() const { return m_modifications; }
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FrameNumber frame() const { return m_frame; }
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void setFrame(FrameNumber frame);
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color_t getEntry(int i) const {
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ASSERT(i >= 0 && i < size());
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return m_colors[i];
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}
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void setEntry(int i, color_t color);
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void addEntry(color_t color);
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void copyColorsTo(Palette* dst) const;
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int countDiff(const Palette* other, int* from, int* to) const;
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// Returns true if the palette is completelly black.
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bool isBlack() const;
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void makeBlack();
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void makeHorzRamp(int from, int to);
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void makeVertRamp(int from, int to, int columns);
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void makeRectRamp(int from, int to, int columns);
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void sort(int from, int to, SortPalette* sort_palette, std::vector<int>& mapping);
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static Palette* load(const char *filename);
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bool save(const char *filename) const;
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int findExactMatch(int r, int g, int b) const;
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int findBestfit(int r, int g, int b, int mask_index = 0) const;
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private:
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FrameNumber m_frame;
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std::vector<color_t> m_colors;
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int m_modifications;
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std::string m_filename; // If the palette is associated with a file.
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};
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} // namespace raster
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#endif
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