98 lines
2.4 KiB
C++
98 lines
2.4 KiB
C++
// Copyright 2003 Jeremy Sawicki
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//
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// This file is part of OxydLib.
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//
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// OxydLib 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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// OxydLib 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 OxydLib; 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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#ifndef BITMAP_H
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#define BITMAP_H
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#include "VecUtils.h"
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#include <string>
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namespace OxydLib {
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using std::string;
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class Palette
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{
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public:
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Palette();
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~Palette();
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int getNumColors() const;
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void setNumColors(int numColors);
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void getColor(int nColor,
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unsigned int *pRed,
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unsigned int *pGreen,
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unsigned int *pBlue) const;
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void setColor(int nColor,
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unsigned int red,
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unsigned int green,
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unsigned int blue);
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private:
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std::vector<unsigned int> m_colors;
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};
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class Bitmap
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{
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public:
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Bitmap();
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~Bitmap();
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void clear();
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int getBitDepth() const { return m_bitDepth; }
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void setBitDepth(int bitDepth) { m_bitDepth = bitDepth; }
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unsigned char getPixel(int x, int y) const;
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void setPixel(int x, int y, unsigned char pixelVal);
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int getBit(int x, int y, int bitNum) const;
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void setBit(int x, int y, int bitNum, int bitVal);
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private:
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int m_bitDepth;
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ByteVec m_pixels;
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};
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// Both parseBitmap and unparseBitmap work with 16-color palettes,
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// regardless of the bit depth of the bitmap.
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bool parseBitmap(const ByteVec &in,
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Bitmap *pBitmap,
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Palette *pPalette,
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string *pMsg = 0);
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bool unparseBitmap(const Bitmap &bitmap,
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const Palette &palette,
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ByteVec *pOut,
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string *pMsg = 0);
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// The palette passed to bitmapToPPM should have 2^(bit depth of bitmap)
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// colors.
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void bitmapToPPM(const Bitmap &bitmap,
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const Palette &palette,
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ByteVec *pOut);
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void bitPlaneToPPM(const Bitmap &bitmap,
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int nBitPlane,
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ByteVec *pOut);
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}
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#endif
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