Xiaolin Wu's line algorithm: Difference between revisions
Content added Content deleted
(→{{header|J}}: give wd example for J8) |
(Updated D entry) |
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double x1, double y1, |
double x1, double y1, |
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double x2, double y2, |
double x2, double y2, |
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in Color color) /*pure*/ nothrow { |
in Color color) /*pure*/ nothrow @safe { |
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// Straight translation of Wikipedia pseudocode. |
// Straight translation of Wikipedia pseudocode. |
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static double round(in double x) pure nothrow { |
static double round(in double x) pure nothrow { |
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} |
} |
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static double fpart(in double x) pure nothrow { |
static double fpart(in double x) pure nothrow @safe { |
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return x - x.floor; |
return x - x.floor; |
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} |
} |
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static double rfpart(in double x) pure nothrow { |
static double rfpart(in double x) pure nothrow @safe { |
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return 1 - fpart(x); |
return 1 - fpart(x); |
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} |
} |
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static Color mixColors(in Color c1, in Color c2, in double p) |
static Color mixColors(in Color c1, in Color c2, in double p) |
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pure nothrow { |
pure nothrow @safe @nogc { |
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static if (is(Color == RGB)) |
static if (is(Color == RGB)) |
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return Color(cast(ubyte)(c1.r * p + c2.r * (1 - p)), |
return Color(cast(ubyte)(c1.r * p + c2.r * (1 - p)), |
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// Plot function set here to handle the two cases of slope. |
// Plot function set here to handle the two cases of slope. |
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void delegate(ref Image!Color img, in int, in int, in double) |
void delegate(ref Image!Color img, in int, in int, in double) |
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pure nothrow plot; |
pure nothrow @safe @nogc plot; |
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if (ax < ay) { |
if (ax < ay) { |
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