45 lines
745 B
C++
45 lines
745 B
C++
#pragma once
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#include <climits>
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#include <cstdint>
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#define BLOCK_SIZE 16
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struct PixelAttribute {
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PixelAttribute() : height(INT16_MIN), thickness(0) {};
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int16_t height;
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uint8_t thickness;
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inline bool valid_height() const {
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return height != INT16_MIN;
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}
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};
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class PixelAttributes
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{
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public:
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PixelAttributes();
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virtual ~PixelAttributes();
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void setWidth(int width);
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void scroll();
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inline PixelAttribute &attribute(int z, int x) {
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return m_pixelAttributes[z + 1][x + 1];
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};
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private:
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void freeAttributes();
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private:
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enum Line {
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FirstLine = 0,
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LastLine = BLOCK_SIZE,
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EmptyLine = BLOCK_SIZE + 1,
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LineCount = BLOCK_SIZE + 2
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};
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PixelAttribute *m_pixelAttributes[BLOCK_SIZE + 2]; // 1px gradient + empty
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int m_width;
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};
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