185 lines
8.2 KiB
C++
185 lines
8.2 KiB
C++
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#ifndef slic3r_Color_hpp_
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#define slic3r_Color_hpp_
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#include <array>
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#include <algorithm>
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namespace Slic3r {
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using RGB = std::array<float, 3>;
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using RGBA = std::array<float, 4>;
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const RGBA UNDEFINE_COLOR = {0,0,0,0};
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bool color_is_equal(const RGBA a, const RGBA &b);
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class ColorRGB
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{
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std::array<float, 3> m_data{1.0f, 1.0f, 1.0f};
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public:
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ColorRGB() = default;
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ColorRGB(float r, float g, float b);
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ColorRGB(unsigned char r, unsigned char g, unsigned char b);
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ColorRGB(const ColorRGB& other) = default;
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ColorRGB& operator = (const ColorRGB& other) { m_data = other.m_data; return *this; }
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bool operator == (const ColorRGB& other) const { return m_data == other.m_data; }
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bool operator != (const ColorRGB& other) const { return !operator==(other); }
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bool operator < (const ColorRGB& other) const;
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bool operator > (const ColorRGB& other) const;
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ColorRGB operator + (const ColorRGB& other) const;
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ColorRGB operator * (float value) const;
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const float* const data() const { return m_data.data(); }
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float r() const { return m_data[0]; }
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float g() const { return m_data[1]; }
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float b() const { return m_data[2]; }
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void r(float r) { m_data[0] = std::clamp(r, 0.0f, 1.0f); }
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void g(float g) { m_data[1] = std::clamp(g, 0.0f, 1.0f); }
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void b(float b) { m_data[2] = std::clamp(b, 0.0f, 1.0f); }
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void set(unsigned int comp, float value) {
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assert(0 <= comp && comp <= 2);
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m_data[comp] = std::clamp(value, 0.0f, 1.0f);
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}
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unsigned char r_uchar() const { return static_cast<unsigned char>(m_data[0] * 255.0f); }
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unsigned char g_uchar() const { return static_cast<unsigned char>(m_data[1] * 255.0f); }
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unsigned char b_uchar() const { return static_cast<unsigned char>(m_data[2] * 255.0f); }
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static const ColorRGB BLACK() { return { 0.0f, 0.0f, 0.0f }; }
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static const ColorRGB BLUE() { return { 0.0f, 0.0f, 1.0f }; }
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static const ColorRGB BLUEISH() { return { 0.5f, 0.5f, 1.0f }; }
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static const ColorRGB CYAN() { return { 0.0f, 1.0f, 1.0f }; }
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static const ColorRGB DARK_GRAY() { return { 0.25f, 0.25f, 0.25f }; }
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static const ColorRGB DARK_YELLOW() { return { 0.5f, 0.5f, 0.0f }; }
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static const ColorRGB GRAY() { return { 0.5f, 0.5f, 0.5f }; }
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static const ColorRGB GREEN() { return { 0.0f, 1.0f, 0.0f }; }
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static const ColorRGB GREENISH() { return { 0.5f, 1.0f, 0.5f }; }
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static const ColorRGB LIGHT_GRAY() { return { 0.75f, 0.75f, 0.75f }; }
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static const ColorRGB MAGENTA() { return { 1.0f, 0.0f, 1.0f }; }
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static const ColorRGB ORANGE() { return { 0.92f, 0.50f, 0.26f }; }
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static const ColorRGB RED() { return { 1.0f, 0.0f, 0.0f }; }
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static const ColorRGB REDISH() { return { 1.0f, 0.5f, 0.5f }; }
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static const ColorRGB YELLOW() { return { 1.0f, 1.0f, 0.0f }; }
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static const ColorRGB WHITE() { return { 1.0f, 1.0f, 1.0f }; }
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static const ColorRGB ORCA() { return {0.0f, 150.f / 255.0f, 136.0f / 255}; }
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static const ColorRGB WARNING() { return {241.0f / 255, 117.f / 255.0f, 78.0f / 255}; }
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static const ColorRGB X() { return { 0.75f, 0.0f, 0.0f }; }
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static const ColorRGB Y() { return { 0.0f, 0.75f, 0.0f }; }
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static const ColorRGB Z() { return { 0.0f, 0.0f, 0.75f }; }
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};
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class ColorRGBA
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{
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std::array<float, 4> m_data{ 1.0f, 1.0f, 1.0f, 1.0f };
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public:
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ColorRGBA() = default;
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ColorRGBA(float r, float g, float b, float a);
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ColorRGBA(std::array<float, 4> color);
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ColorRGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
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ColorRGBA(const ColorRGBA& other) = default;
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ColorRGBA& operator = (const ColorRGBA& other) { m_data = other.m_data; return *this; }
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bool operator==(const ColorRGBA &other) const{
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return color_is_equal(m_data, other.m_data);
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}
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bool operator != (const ColorRGBA& other) const { return !operator==(other); }
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bool operator < (const ColorRGBA& other) const;
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bool operator > (const ColorRGBA& other) const;
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ColorRGBA operator + (const ColorRGBA& other) const;
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ColorRGBA operator * (float value) const;
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const float* const data() const { return m_data.data(); }
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const std::array<float, 4> &get_data() const { return m_data; }
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float r() const { return m_data[0]; }
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float g() const { return m_data[1]; }
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float b() const { return m_data[2]; }
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float a() const { return m_data[3]; }
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void r(float r) { m_data[0] = std::clamp(r, 0.0f, 1.0f); }
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void g(float g) { m_data[1] = std::clamp(g, 0.0f, 1.0f); }
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void b(float b) { m_data[2] = std::clamp(b, 0.0f, 1.0f); }
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void a(float a) { m_data[3] = std::clamp(a, 0.0f, 1.0f); }
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void set(unsigned int comp, float value) {
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assert(0 <= comp && comp <= 3);
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m_data[comp] = std::clamp(value, 0.0f, 1.0f);
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}
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unsigned char r_uchar() const { return static_cast<unsigned char>(m_data[0] * 255.0f); }
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unsigned char g_uchar() const { return static_cast<unsigned char>(m_data[1] * 255.0f); }
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unsigned char b_uchar() const { return static_cast<unsigned char>(m_data[2] * 255.0f); }
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unsigned char a_uchar() const { return static_cast<unsigned char>(m_data[3] * 255.0f); }
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bool is_transparent() const { return m_data[3] < 1.0f; }
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static const ColorRGBA BLACK() { return { 0.0f, 0.0f, 0.0f, 1.0f }; }
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static const ColorRGBA BLUE() { return { 0.0f, 0.0f, 1.0f, 1.0f }; }
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static const ColorRGBA BLUEISH() { return { 0.5f, 0.5f, 1.0f, 1.0f }; }
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static const ColorRGBA CYAN() { return { 0.0f, 1.0f, 1.0f, 1.0f }; }
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static const ColorRGBA DARK_GRAY() { return { 0.25f, 0.25f, 0.25f, 1.0f }; }
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static const ColorRGBA DARK_YELLOW() { return { 0.5f, 0.5f, 0.0f, 1.0f }; }
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static const ColorRGBA GRAY() { return { 0.5f, 0.5f, 0.5f, 1.0f }; }
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static const ColorRGBA GREEN() { return { 0.0f, 1.0f, 0.0f, 1.0f }; }
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static const ColorRGBA GREENISH() { return { 0.5f, 1.0f, 0.5f, 1.0f }; }
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static const ColorRGBA LIGHT_GRAY() { return { 0.75f, 0.75f, 0.75f, 1.0f }; }
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static const ColorRGBA MAGENTA() { return { 1.0f, 0.0f, 1.0f, 1.0f }; }
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static const ColorRGBA ORANGE() { return { 0.923f, 0.504f, 0.264f, 1.0f }; }
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static const ColorRGBA RED() { return { 1.0f, 0.0f, 0.0f, 1.0f }; }
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static const ColorRGBA REDISH() { return { 1.0f, 0.5f, 0.5f, 1.0f }; }
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static const ColorRGBA YELLOW() { return { 1.0f, 1.0f, 0.0f, 1.0f }; }
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static const ColorRGBA WHITE() { return { 1.0f, 1.0f, 1.0f, 1.0f }; }
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static const ColorRGBA ORCA() { return {0.0f, 150.f / 255.0f, 136.0f / 255, 1.0f}; }
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static const ColorRGBA X() { return { 0.75f, 0.0f, 0.0f, 1.0f }; }
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static const ColorRGBA Y() { return { 0.0f, 0.75f, 0.0f, 1.0f }; }
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static const ColorRGBA Z() { return { 0.0f, 0.0f, 0.75f, 1.0f }; }
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};
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ColorRGB operator * (float value, const ColorRGB& other);
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ColorRGBA operator * (float value, const ColorRGBA& other);
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ColorRGB lerp(const ColorRGB& a, const ColorRGB& b, float t);
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ColorRGBA lerp(const ColorRGBA& a, const ColorRGBA& b, float t);
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ColorRGB complementary(const ColorRGB& color);
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ColorRGBA complementary(const ColorRGBA& color);
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ColorRGB saturate(const ColorRGB& color, float factor);
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ColorRGBA saturate(const ColorRGBA& color, float factor);
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ColorRGB opposite(const ColorRGB& color);
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ColorRGB opposite(const ColorRGB& a, const ColorRGB& b);
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bool can_decode_color(const std::string& color);
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bool decode_color(const std::string& color_in, ColorRGB& color_out);
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bool decode_color(const std::string& color_in, ColorRGBA& color_out);
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bool decode_colors(const std::vector<std::string>& colors_in, std::vector<ColorRGB>& colors_out);
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bool decode_colors(const std::vector<std::string>& colors_in, std::vector<ColorRGBA>& colors_out);
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std::string encode_color(const ColorRGB& color);
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std::string encode_color(const ColorRGBA& color);
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ColorRGB to_rgb(const ColorRGBA& other_rgba);
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ColorRGBA to_rgba(const ColorRGB& other_rgb);
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ColorRGBA to_rgba(const ColorRGB& other_rgb, float alpha);
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ColorRGBA picking_decode(unsigned int id);
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unsigned int picking_encode(unsigned char r, unsigned char g, unsigned char b);
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// Produce an alpha channel checksum for the red green blue components. The alpha channel may then be used to verify, whether the rgb components
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// were not interpolated by alpha blending or multi sampling.
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unsigned char picking_checksum_alpha_channel(unsigned char red, unsigned char green, unsigned char blue);
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} // namespace Slic3r
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#endif /* slic3r_Color_hpp_ */
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