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20 lines
319 B
C
20 lines
319 B
C
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float
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clamp(float value, float lower, float upper) {
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if (value < lower)
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return lower;
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if (value > upper)
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return upper;
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return value;
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}
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void
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changealpha(const Arg *arg)
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{
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if ((alpha > 0 && arg->f < 0) || (alpha < 1 && arg->f > 0))
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alpha += arg->f;
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alpha = clamp(alpha, 0.0, 1.0);
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xloadcols();
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redraw();
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}
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