Initial data commit
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199087 changed files with 3378941 additions and 0 deletions
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void line(int x0, int y0, int x1, int y1) {
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int dx = abs(x1-x0), sx = x0<x1 ? 1 : -1;
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int dy = abs(y1-y0), sy = y0<y1 ? 1 : -1;
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int err = (dx>dy ? dx : -dy)/2, e2;
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for(;;){
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setPixel(x0,y0);
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if (x0==x1 && y0==y1) break;
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e2 = err;
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if (e2 >-dx) { err -= dy; x0 += sx; }
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if (e2 < dy) { err += dx; y0 += sy; }
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}
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}
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