1 // Copyright 2017 The PDFium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef CORE_FXGE_CFX_COLOR_H_ 8 #define CORE_FXGE_CFX_COLOR_H_ 9 10 #include "core/fxge/dib/fx_dib.h" 11 12 struct CFX_Color { 13 // Ordered by increasing number of components. 14 enum class Type { kTransparent = 0, kGray, kRGB, kCMYK }; 15 16 struct TypeAndARGB { TypeAndARGBCFX_Color::TypeAndARGB17 TypeAndARGB(CFX_Color::Type type_in, FX_ARGB argb_in) 18 : color_type(type_in), argb(argb_in) {} 19 20 CFX_Color::Type color_type; 21 FX_ARGB argb; 22 }; 23 CFX_ColorCFX_Color24 explicit constexpr CFX_Color(FX_COLORREF ref) 25 : CFX_Color(FXARGB_R(ref), FXARGB_G(ref), FXARGB_B(ref)) {} 26 27 constexpr CFX_Color(Type type = CFX_Color::Type::kTransparent, 28 float color1 = 0.0f, 29 float color2 = 0.0f, 30 float color3 = 0.0f, 31 float color4 = 0.0f) nColorTypeCFX_Color32 : nColorType(type), 33 fColor1(color1), 34 fColor2(color2), 35 fColor3(color3), 36 fColor4(color4) {} 37 CFX_ColorCFX_Color38 constexpr CFX_Color(int32_t r, int32_t g, int32_t b) 39 : nColorType(CFX_Color::Type::kRGB), 40 fColor1(r / 255.0f), 41 fColor2(g / 255.0f), 42 fColor3(b / 255.0f), 43 fColor4(0) {} 44 45 CFX_Color(const CFX_Color& that) = default; 46 CFX_Color& operator=(const CFX_Color& that) = default; 47 48 CFX_Color operator/(float fColorDivide) const; 49 CFX_Color operator-(float fColorSub) const; 50 51 CFX_Color ConvertColorType(Type nConvertColorType) const; 52 FX_COLORREF ToFXColor(int32_t nTransparency) const; 53 54 Type nColorType; 55 float fColor1; 56 float fColor2; 57 float fColor3; 58 float fColor4; 59 }; 60 61 inline bool operator==(const CFX_Color& c1, const CFX_Color& c2) { 62 return c1.nColorType == c2.nColorType && c1.fColor1 - c2.fColor1 < 0.0001 && 63 c1.fColor1 - c2.fColor1 > -0.0001 && 64 c1.fColor2 - c2.fColor2 < 0.0001 && 65 c1.fColor2 - c2.fColor2 > -0.0001 && 66 c1.fColor3 - c2.fColor3 < 0.0001 && 67 c1.fColor3 - c2.fColor3 > -0.0001 && 68 c1.fColor4 - c2.fColor4 < 0.0001 && c1.fColor4 - c2.fColor4 > -0.0001; 69 } 70 71 inline bool operator!=(const CFX_Color& c1, const CFX_Color& c2) { 72 return !(c1 == c2); 73 } 74 75 #endif // CORE_FXGE_CFX_COLOR_H_ 76