hackathon-dev #1
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@ -71,25 +71,25 @@ static BOOL line_clip(PINT32 output, INT32 x1, INT32 y1, INT32 x2, INT32 y2, INT
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{
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x1 += M(x2 - x1, D(ymin - y1, y2 - y1));
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y1 = ymin;
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Log(LDEBUG, "clipped against top to point (%d, %d), dx=%d/%d", x1 >> CPX, y1 >> CPX, tmp >> CPX, tmp);
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Log(LDEBUG, "clipped against top to point (%d, %d)", x1 >> CPX, y1 >> CPX);
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}
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else if (outcode1 & 0x4)
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{
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x1 += M(x2 - x1, D(ymax - ONE - y1, y2 - y1));
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y1 = ymax - ONE;
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Log(LDEBUG, "clipped against bottom to point (%d, %d), dx=%d/%d", x1 >> CPX, y1 >> CPX, tmp >> CPX, tmp);
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Log(LDEBUG, "clipped against bottom to point (%d, %d)", x1 >> CPX, y1 >> CPX);
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}
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else if (outcode1 & 0x2)
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{
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y1 += M(y2 - y1, D(xmax - ONE - x1, x2 - x1));
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x1 = xmax - ONE;
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Log(LDEBUG, "clipped against right to point (%d, %d), dy=%d/%d", x1 >> CPX, y1 >> CPX, tmp >> CPX, tmp);
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Log(LDEBUG, "clipped against right to point (%d, %d)", x1 >> CPX, y1 >> CPX);
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}
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else if (outcode1 & 0x1)
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{
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y1 += M(y2 - y1, D(xmin - x1, x2 - x1));
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x1 = xmin;
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Log(LDEBUG, "clipped against left to point (%d, %d), dy=%d/%d", x1 >> CPX, y1 >> CPX, tmp >> CPX, tmp);
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Log(LDEBUG, "clipped against left to point (%d, %d)", x1 >> CPX, y1 >> CPX);
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}
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}
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Log(LDEBUG, "final line is from (%d, %d) to (%d, %d)", x1 >> CPX, y1 >> CPX, x2 >> CPX, y2 >> CPX);
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