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21 lines
463 B
C
21 lines
463 B
C
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#include <gray.h>
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#include <display.h>
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/*
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gline()
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Draws a line in the vram. Automatically optimizes special cases.
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*/
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void gline(int x1, int y1, int x2, int y2, enum Color color)
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{
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enum Color c1, c2;
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if(color == Color_None) return;
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else if(color == Color_Invert) c1 = c2 = Color_Invert;
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else c1 = color & 1, c2 = color >> 1;
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display_useVRAM(gray_lightVRAM());
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dline(x1, y1, x2, y2, c1);
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display_useVRAM(gray_darkVRAM());
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dline(x1, y1, x2, y2, c2);
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}
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