34 lines
944 B
Text
34 lines
944 B
Text
#-------------------------------------------------------------------------------
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# canvas API helper functions
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#-------------------------------------------------------------------------------
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#
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var _getColor = func(color) {
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if (size(color) == 1)
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var color = color[0];
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if (isscalar(color))
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return color;
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if (!isvec(color))
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return debug.warn("Wrong type for color");
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if (size(color) < 3 or size(color) > 4)
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return debug.warn("Color needs 3 or 4 values (RGB or RGBA)");
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var str = 'rgb';
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if (size(color) == 4)
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str ~= 'a';
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str ~= '(';
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# rgb = [0,255], a = [0,1]
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for (var i = 0; i < size(color); i += 1) {
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str ~= (i > 0 ? ',' : '') ~ (i < 3 ? int(color[i] * 255) : color[i]);
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}
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return str ~ ')';
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};
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var _arg2valarray = func {
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var ret = arg;
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while (isvec(ret) and size(ret) == 1 and isvec(ret[0])) {
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ret = ret[0];
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}
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return ret;
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}
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