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94 lines
2.4 KiB
94 lines
2.4 KiB
#pragma once
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#include "CELLMath.hpp"
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namespace CELL
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{
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enum DRAWMODE
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{
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DM_POINTS = 0,
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DM_LINES = 1,
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DM_LINE_LOOP = 2,
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DM_LINE_STRIP = 3,
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};
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class Raster
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{
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public:
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Rgba* _buffer;
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int _width;
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int _height;
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Rgba _color;
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public:
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Raster(int w,int h,void* buffer);
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~Raster(void);
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void clear();
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void drawPoint(int x,int y, Rgba color,int ptSize);
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void drawArrays(DRAWMODE mode,const float2* points,int count)
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{
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switch (mode)
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{
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case DM_POINTS:
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{
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for (int i = 0 ;i < count ; ++ i)
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{
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drawPoints(points[i],_color);
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}
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}
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break;
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case DM_LINES:
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{
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count = count/2 * 2;
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for (int i = 0 ;i < count ; ++ i)
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{
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drawLine(points[i],points[i + 1],_color,_color);
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}
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}
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break;
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case DM_LINE_LOOP:
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{
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drawLine(points[0],points[1],_color,_color);
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for (int i = 2 ;i < count ; ++ i)
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{
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drawLine(points[i - 1],points[i],_color,_color);
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}
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drawLine(points[0],points[count - 1],_color,_color);
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}
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break;
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case DM_LINE_STRIP:
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{
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drawLine(points[0],points[1],_color,_color);
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for (int i = 2 ;i < count ; ++ i)
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{
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drawLine(points[i - 1],points[i],_color,_color);
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}
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}
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break;
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default:
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break;
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}
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}
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public:
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void drawLine(float2 pt1,float2 pt2,Rgba color1,Rgba color2);
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void drawPoints(float2 pt1,Rgba4Byte color)
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{
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}
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inline void setPixel(unsigned x,unsigned y,Rgba color)
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{
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if (x >= _width || y >= _height)
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{
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return;
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}
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_buffer[y * _width + x] = color;
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}
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};
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}
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