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Fix the fix. The floats were already in the range [0,256]

This commit is contained in:
Andreas Fabri 2023-07-26 15:44:33 +01:00
parent c6fd1d0316
commit c3b7214a19
1 changed files with 6 additions and 3 deletions
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9
Arrangement_on_surface_2/examples/Arrangement_on_surface_2/draw_arr.cpp
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@ -18,7 +18,7 @@ using Arrangement_2 = CGAL::Arrangement_2<Traits>;
* \param value Value component range: [0, 1] * \param value Value component range: [0, 1]
* \return tuple<red, green, blue>, where each component is in the range [0, 255] * \return tuple<red, green, blue>, where each component is in the range [0, 255]
*/ */
std::tuple<float, float, float> std::tuple<unsigned char, unsigned char, unsigned char>
hsv_to_rgb(float hue, float sat, float value) { hsv_to_rgb(float hue, float sat, float value) {
float red, green, blue; float red, green, blue;
float fc = value * sat; // Chroma float fc = value * sat; // Chroma
@ -69,7 +69,10 @@ hsv_to_rgb(float hue, float sat, float value) {
red *= 255; red *= 255;
green *= 255; green *= 255;
blue *= 255; blue *= 255;
return std::make_tuple(red, green, blue); unsigned char redc = (unsigned char)red;
unsigned char greenc = (unsigned char)green;
unsigned char bluec = (unsigned char)blue;
return std::make_tuple(redc, greenc, bluec);
} }
int main() { int main() {
@ -104,7 +107,7 @@ int main() {
float r, g, b; float r, g, b;
typedef unsigned char uchar; typedef unsigned char uchar;
std::tie(r, g, b) = hsv_to_rgb(h, s, v); std::tie(r, g, b) = hsv_to_rgb(h, s, v);
return CGAL::IO::Color(uchar(r*255), uchar(g*255), uchar(b*255)); return CGAL::IO::Color(r,g,b);
}, "hsv colors", true); }, "hsv colors", true);
return EXIT_SUCCESS; return EXIT_SUCCESS;