ColorTransform.hpp
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1 #pragma once
2 
3 #include <ivorium_core/ivorium_core.hpp>
4 
5 namespace iv
6 {
7 
12 struct ColorTransform
13 {
14  // Matrix manipulation
15  static float4x4 RotateHue( float radians );
16  static float4x4 ShiftSaturation( float );
17  static float4x4 ScaleValue( float );
18 
19  static float4x4 ShiftValue( float );
20 
21  static float4x4 Change_Hue( float4 from, float4 to );
22  static float4x4 Change_Saturation( float4 from, float4 to );
23  static float4x4 Change_Value( float4 from, float4 to );
24 
25  static float4x4 Change( float4 from, float4 to );
26 
27  static float4x4 Zero();
28  static float4x4 Scale( float4 sRGB );
29  static float4x4 Shift( float4 sRGB );
30 
31  // Color manipulation
32  static float GetHue( float4 color );
33  static float GetSaturation( float4 color );
34  static float GetValue( float4 color );
35 
36  static float4 Apply( float4x4 transform, float4 color );
37 
38  // Helpers.
39  static float sRGB_to_linearRGB( float );
40  static float4 sRGB_to_linearRGB( float4 );
41 
42  static float linearRGB_to_sRGB( float );
43  static float4 linearRGB_to_sRGB( float4 );
44 
45  static float4 linearRGB_to_HSV( float4 );
46  static float4 HSV_to_linearRGB( float4 );
47 };
48 
49 }