minetestmapper/include/PixelAttributes.h

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/*
* =====================================================================
* Version: 1.0
* Created: 25.08.2012 10:55:29
* Author: Miroslav Bendík
* Company: LinuxOS.sk
* =====================================================================
*/
#ifndef PIXELATTRIBUTES_H_ADZ35GYF
#define PIXELATTRIBUTES_H_ADZ35GYF
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#include <limits>
#include <stdint.h>
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#include "config.h"
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struct PixelAttribute {
PixelAttribute(): height(std::numeric_limits<int>::min()), thickness(0) {};
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int height;
uint8_t thickness;
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inline bool valid_height() {
return height != std::numeric_limits<int>::min();
}
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};
class PixelAttributes
{
public:
PixelAttributes();
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virtual ~PixelAttributes();
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void setWidth(int width);
void scroll();
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inline PixelAttribute &attribute(int z, int x) { return m_pixelAttributes[z + 1][x + 1]; };
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private:
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void freeAttributes();
private:
enum Line {
FirstLine = 0,
LastLine = BLOCK_SIZE,
EmptyLine = BLOCK_SIZE + 1,
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LineCount = BLOCK_SIZE + 2
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};
PixelAttribute *m_pixelAttributes[BLOCK_SIZE + 2]; // 1px gradient + empty
int m_width;
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};
#endif /* end of include guard: PIXELATTRIBUTES_H_ADZ35GYF */