| 47 | } |
| 48 | |
| 49 | void ColorPickerSlider::UpdateColors() |
| 50 | { |
| 51 | auto hsvColor = HsvColor(); |
| 52 | |
| 53 | // Calculate and set the background |
| 54 | UpdateBackground(hsvColor); |
| 55 | |
| 56 | // Calculate and set the foreground ensuring contrast with the background |
| 57 | Windows::UI::Color rgbColor = Util::Color::FromHSV(hsvColor); |
| 58 | Windows::UI::Color selectedRgbColor; |
| 59 | const double sliderPercent = Value() / (Maximum() - Minimum()); |
| 60 | |
| 61 | const auto colorChannel = ColorChannel(); |
| 62 | const auto alphaMaxForced = IsAlphaMaxForced(); |
| 63 | if (ColorRepresentation() == txmp::ColorRepresentation::Hsva) |
| 64 | { |
| 65 | if (alphaMaxForced && colorChannel != txmp::ColorChannel::Alpha) |
| 66 | { |
| 67 | hsvColor.A = 1.0; |
| 68 | } |
| 69 | |
| 70 | const auto saturationMaxForced = IsSaturationValueMaxForced(); |
| 71 | switch (colorChannel) |
| 72 | { |
| 73 | case txmp::ColorChannel::Channel1: |
| 74 | hsvColor.H = std::clamp(sliderPercent * 360.0, 0.0, 360.0); |
| 75 | if (saturationMaxForced) |
| 76 | { |
| 77 | hsvColor.S = hsvColor.V = 1.0; |
| 78 | } |
| 79 | break; |
| 80 | |
| 81 | case txmp::ColorChannel::Channel2: |
| 82 | hsvColor.S = std::clamp(sliderPercent * 1.0, 0.0, 1.0); |
| 83 | if (saturationMaxForced) |
| 84 | { |
| 85 | hsvColor.V = 1.0; |
| 86 | } |
| 87 | break; |
| 88 | |
| 89 | case txmp::ColorChannel::Channel3: |
| 90 | hsvColor.V = std::clamp(sliderPercent * 1.0, 0.0, 1.0); |
| 91 | if (saturationMaxForced) |
| 92 | { |
| 93 | hsvColor.S = 1.0; |
| 94 | } |
| 95 | break; |
| 96 | } |
| 97 | |
| 98 | selectedRgbColor = Util::Color::FromHSV(hsvColor); |
| 99 | } |
| 100 | else |
| 101 | { |
| 102 | if (alphaMaxForced && colorChannel != txmp::ColorChannel::Alpha) |
| 103 | { |
| 104 | rgbColor.A = 255; |
| 105 | } |
| 106 |
no test coverage detected