| // Copyright 2022 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/color/temp_palette.h" |
| |
| #include <algorithm> |
| |
| namespace ui { |
| |
| namespace { |
| |
| constexpr SkColor kPurple = 0xffca35c6U; |
| constexpr SkColor kTeal = 0xff3cc3b8U; |
| |
| ToneMap PurpleTones() { |
| ToneMap tones; |
| |
| tones.seed = kPurple; // purple |
| tones.primary[Luma::k100] = 0xffffffffU; |
| tones.primary[Luma::k99] = 0xfffffbffU; |
| tones.primary[Luma::k95] = 0xffffebf7U; |
| tones.primary[Luma::k90] = 0xffffd7f5U; |
| tones.primary[Luma::k80] = 0xffffabf3U; |
| tones.primary[Luma::k70] = 0xffff76f5U; |
| tones.primary[Luma::k60] = 0xffe651e0U; |
| tones.primary[Luma::k50] = 0xffc732c3U; |
| tones.primary[Luma::k40] = 0xffa901a8U; |
| tones.primary[Luma::k30] = 0xff810080U; |
| tones.primary[Luma::k20] = 0xff5b005bU; |
| tones.primary[Luma::k10] = 0xff380038U; |
| tones.primary[Luma::k0] = 0xff000000U; |
| |
| tones.secondary[Luma::k100] = 0xffffffffU; |
| tones.secondary[Luma::k99] = 0xfffffbffU; |
| tones.secondary[Luma::k95] = 0xffffebf7U; |
| tones.secondary[Luma::k90] = 0xfff7daefU; |
| tones.secondary[Luma::k80] = 0xffdabfd2U; |
| tones.secondary[Luma::k70] = 0xffbea4b7U; |
| tones.secondary[Luma::k60] = 0xffa2899cU; |
| tones.secondary[Luma::k50] = 0xff877082U; |
| tones.secondary[Luma::k40] = 0xff6e5869U; |
| tones.secondary[Luma::k30] = 0xff554151U; |
| tones.secondary[Luma::k20] = 0xff3d2b3aU; |
| tones.secondary[Luma::k10] = 0xff271624U; |
| tones.secondary[Luma::k0] = 0xff000000U; |
| |
| tones.tertiary[Luma::k100] = 0xffffffffU; |
| tones.tertiary[Luma::k99] = 0xfffffbffU; |
| tones.tertiary[Luma::k95] = 0xffffede8U; |
| tones.tertiary[Luma::k90] = 0xffffdbd1U; |
| tones.tertiary[Luma::k80] = 0xfff5b8a7U; |
| tones.tertiary[Luma::k70] = 0xffd79e8dU; |
| tones.tertiary[Luma::k60] = 0xffba8474U; |
| tones.tertiary[Luma::k50] = 0xff9d6b5cU; |
| tones.tertiary[Luma::k40] = 0xff815345U; |
| tones.tertiary[Luma::k30] = 0xff663c2fU; |
| tones.tertiary[Luma::k20] = 0xff4c261bU; |
| tones.tertiary[Luma::k10] = 0xff321208U; |
| tones.tertiary[Luma::k0] = 0xff000000U; |
| |
| tones.neutral1[Luma::k100] = 0xffffffffU; |
| tones.neutral1[Luma::k99] = 0xfffffbffU; |
| tones.neutral1[Luma::k95] = 0xfff8eef2U; |
| tones.neutral1[Luma::k90] = 0xffe9e0e4U; |
| tones.neutral1[Luma::k80] = 0xffcdc4c8U; |
| tones.neutral1[Luma::k70] = 0xffb1a9adU; |
| tones.neutral1[Luma::k60] = 0xff968f92U; |
| tones.neutral1[Luma::k50] = 0xff7c7579U; |
| tones.neutral1[Luma::k40] = 0xff635d60U; |
| tones.neutral1[Luma::k30] = 0xff4b4548U; |
| tones.neutral1[Luma::k20] = 0xff342f32U; |
| tones.neutral1[Luma::k10] = 0xff1e1a1dU; |
| tones.neutral1[Luma::k0] = 0xff000000U; |
| |
| tones.neutral2[Luma::k100] = 0xffffffffU; |
| tones.neutral2[Luma::k99] = 0xfffffbffU; |
| tones.neutral2[Luma::k95] = 0xfffcecf5U; |
| tones.neutral2[Luma::k90] = 0xffeedee7U; |
| tones.neutral2[Luma::k80] = 0xffd1c2cbU; |
| tones.neutral2[Luma::k70] = 0xffb5a7b0U; |
| tones.neutral2[Luma::k60] = 0xff9a8d95U; |
| tones.neutral2[Luma::k50] = 0xff80747bU; |
| tones.neutral2[Luma::k40] = 0xff665b63U; |
| tones.neutral2[Luma::k30] = 0xff4e444bU; |
| tones.neutral2[Luma::k20] = 0xff372e34U; |
| tones.neutral2[Luma::k10] = 0xff21191fU; |
| tones.neutral2[Luma::k0] = 0xff000000U; |
| |
| return tones; |
| } |
| |
| ToneMap TealTones() { |
| ToneMap tones; |
| |
| tones.seed = kTeal; // teal |
| tones.primary[Luma::k100] = 0xffffffffU; |
| tones.primary[Luma::k99] = 0xfff2fffcU; |
| tones.primary[Luma::k95] = 0xffb2fff6U; |
| tones.primary[Luma::k90] = 0xff71f7ebU; |
| tones.primary[Luma::k80] = 0xff50dbcfU; |
| tones.primary[Luma::k70] = 0xff26bfb3U; |
| tones.primary[Luma::k60] = 0xff00a298U; |
| tones.primary[Luma::k50] = 0xff00867dU; |
| tones.primary[Luma::k40] = 0xff006a63U; |
| tones.primary[Luma::k30] = 0xff00504bU; |
| tones.primary[Luma::k20] = 0xff003733U; |
| tones.primary[Luma::k10] = 0xff00201dU; |
| tones.primary[Luma::k0] = 0xff000000U; |
| |
| tones.secondary[Luma::k100] = 0xffffffffU; |
| tones.secondary[Luma::k99] = 0xfff2fffcU; |
| tones.secondary[Luma::k95] = 0xffdaf7f2U; |
| tones.secondary[Luma::k90] = 0xffcce8e4U; |
| tones.secondary[Luma::k80] = 0xffb1ccc8U; |
| tones.secondary[Luma::k70] = 0xff96b1adU; |
| tones.secondary[Luma::k60] = 0xff7b9692U; |
| tones.secondary[Luma::k50] = 0xff627c79U; |
| tones.secondary[Luma::k40] = 0xff4a6360U; |
| tones.secondary[Luma::k30] = 0xff324b48U; |
| tones.secondary[Luma::k20] = 0xff1c3532U; |
| tones.secondary[Luma::k10] = 0xff051f1dU; |
| tones.secondary[Luma::k0] = 0xff000000U; |
| |
| tones.tertiary[Luma::k100] = 0xffffffffU; |
| tones.tertiary[Luma::k99] = 0xfffcfcffU; |
| tones.tertiary[Luma::k95] = 0xffe8f2ffU; |
| tones.tertiary[Luma::k90] = 0xffcee5ffU; |
| tones.tertiary[Luma::k80] = 0xffafc9e7U; |
| tones.tertiary[Luma::k70] = 0xff94aecaU; |
| tones.tertiary[Luma::k60] = 0xff7993afU; |
| tones.tertiary[Luma::k50] = 0xff607994U; |
| tones.tertiary[Luma::k40] = 0xff47617aU; |
| tones.tertiary[Luma::k30] = 0xff2f4961U; |
| tones.tertiary[Luma::k20] = 0xff17324aU; |
| tones.tertiary[Luma::k10] = 0xff001d33U; |
| tones.tertiary[Luma::k0] = 0xff000000U; |
| |
| tones.neutral1[Luma::k100] = 0xffffffffU; |
| tones.neutral1[Luma::k99] = 0xfffafdfbU; |
| tones.neutral1[Luma::k95] = 0xffeff1f0U; |
| tones.neutral1[Luma::k90] = 0xffe0e3e1U; |
| tones.neutral1[Luma::k80] = 0xffc4c7c6U; |
| tones.neutral1[Luma::k70] = 0xffa9acaaU; |
| tones.neutral1[Luma::k60] = 0xff8e9190U; |
| tones.neutral1[Luma::k50] = 0xff747877U; |
| tones.neutral1[Luma::k40] = 0xff5b5f5eU; |
| tones.neutral1[Luma::k30] = 0xff444747U; |
| tones.neutral1[Luma::k20] = 0xff2d3130U; |
| tones.neutral1[Luma::k10] = 0xff191c1cU; |
| tones.neutral1[Luma::k0] = 0xff000000U; |
| |
| tones.neutral2[Luma::k100] = 0xffffffffU; |
| tones.neutral2[Luma::k99] = 0xfff4fefcU; |
| tones.neutral2[Luma::k95] = 0xffe9f3f0U; |
| tones.neutral2[Luma::k90] = 0xffdae5e2U; |
| tones.neutral2[Luma::k80] = 0xffbec9c6U; |
| tones.neutral2[Luma::k70] = 0xffa3adabU; |
| tones.neutral2[Luma::k60] = 0xff899391U; |
| tones.neutral2[Luma::k50] = 0xff6f7977U; |
| tones.neutral2[Luma::k40] = 0xff56605fU; |
| tones.neutral2[Luma::k30] = 0xff3f4947U; |
| tones.neutral2[Luma::k20] = 0xff293231U; |
| tones.neutral2[Luma::k10] = 0xff141d1cU; |
| tones.neutral2[Luma::k0] = 0xff000000U; |
| |
| return tones; |
| } |
| |
| void AddErrorColors(ToneMap& tones) { |
| tones.error[Luma::k100] = 0xffffffffU; |
| tones.error[Luma::k99] = 0xfffffbffU; |
| tones.error[Luma::k95] = 0xffffedeaU; |
| tones.error[Luma::k90] = 0xffffdad6U; |
| tones.error[Luma::k80] = 0xffffb4abU; |
| tones.error[Luma::k70] = 0xffff897dU; |
| tones.error[Luma::k60] = 0xffff5449U; |
| tones.error[Luma::k50] = 0xffde3730U; |
| tones.error[Luma::k40] = 0xffba1a1aU; |
| tones.error[Luma::k30] = 0xff93000aU; |
| tones.error[Luma::k20] = 0xff690005U; |
| tones.error[Luma::k10] = 0xff410002U; |
| tones.error[Luma::k0] = 0xff000000U; |
| } |
| |
| // Extracts the hue for |color| in degrees [0-360). |
| SkScalar GetHue(SkColor color) { |
| SkScalar hsv[3]; |
| SkColorToHSV(color, hsv); |
| // Index 0 is hue. |
| return hsv[0]; |
| } |
| |
| // Returns the difference in hue of two colors in degrees. |
| SkScalar HueDistance(SkColor a, SkColor b) { |
| SkScalar hue_a = GetHue(a); |
| SkScalar hue_b = GetHue(b); |
| |
| return std::min(360 - std::abs(hue_a - hue_b), std::abs(hue_a - hue_b)); |
| } |
| |
| } // namespace |
| |
| ToneMap::ToneMap() = default; |
| ToneMap::ToneMap(const ToneMap&) = default; |
| ToneMap::~ToneMap() = default; |
| |
| const ToneMap GetTempPalette(SkColor seed_color) { |
| const SkScalar teal_distance = HueDistance(seed_color, kTeal); |
| const SkScalar purple_distance = HueDistance(seed_color, kPurple); |
| ToneMap tones = |
| (teal_distance < purple_distance) ? TealTones() : PurpleTones(); |
| AddErrorColors(tones); |
| return tones; |
| } |
| |
| } // namespace ui |
