diff options
Diffstat (limited to 'src/Witness_complex/example/color-picker.cpp')
-rw-r--r-- | src/Witness_complex/example/color-picker.cpp | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/src/Witness_complex/example/color-picker.cpp b/src/Witness_complex/example/color-picker.cpp deleted file mode 100644 index fcea033e..00000000 --- a/src/Witness_complex/example/color-picker.cpp +++ /dev/null @@ -1,37 +0,0 @@ -#include <iostream> -#include <assert.h> - -struct Color { - double r, g, b; - Color() : r(0), g(0), b(0) { } - Color(double r_, double g_, double b_) - : r(r_), g(g_), b(b_) { } -}; - -// Convert a double in [0,1] to a color -template< typename ColorType > -void double_to_color(double t, ColorType & color) { - assert(t >= 0 && t <= 1); - double s = 1.0/6; - if (t >= 0 && t <= s) - color = ColorType(1, 6*t, 0); - else if (t > s && t <= 2*s) - color = ColorType(1-6*(t-s), 1, 0); - else if (t > 2*s && t <= 3*s) - color = ColorType(0, 1, 6*(t-2*s)); - else if (t > 3*s && t <= 4*s) - color = ColorType(0, 1-6*(t-3*s), 1); - else if (t > 4*s && t <= 5*s) - color = ColorType(6*(t-4*s), 0, 1); - else - color = ColorType(1, 0, 1-6*(t-5*s)); -} - -int main (int argc, char * const argv[]) { - double number_to_convert = 0; - std::cout << "Enter a real number in [0,1]: "; - std::cin >> number_to_convert; - Color color; - double_to_color(number_to_convert, color); - std::cout << "The corresponding color in rgb is: (" << color.r << ", " << color.g << ", " << color.b << ")\n"; -} |