1 // Copyright 2017 PDFium Authors. All rights reserved.
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/fpdfdoc/cpdf_formcontrol.h"
11 #include "core/fxge/fx_dib.h"
12 
13 struct CFX_Color {
14   static CFX_Color ParseColor(const CPDF_Array& array);
15   static CFX_Color ParseColor(const ByteString& str);
16 
17   enum Type { kTransparent = 0, kGray, kRGB, kCMYK };
18 
CFX_ColorCFX_Color19   explicit CFX_Color(FX_COLORREF ref)
20       : CFX_Color(FXARGB_R(ref), FXARGB_G(ref), FXARGB_B(ref)) {}
21 
22   CFX_Color(int32_t type = CFX_Color::kTransparent,
23             float color1 = 0.0f,
24             float color2 = 0.0f,
25             float color3 = 0.0f,
26             float color4 = 0.0f)
nColorTypeCFX_Color27       : nColorType(type),
28         fColor1(color1),
29         fColor2(color2),
30         fColor3(color3),
31         fColor4(color4) {}
32 
CFX_ColorCFX_Color33   CFX_Color(int32_t r, int32_t g, int32_t b)
34       : nColorType(CFX_Color::kRGB),
35         fColor1(r / 255.0f),
36         fColor2(g / 255.0f),
37         fColor3(b / 255.0f),
38         fColor4(0) {}
39 
40   CFX_Color(const CFX_Color&) = default;
41 
42   CFX_Color operator/(float fColorDivide) const;
43   CFX_Color operator-(float fColorSub) const;
44 
45   CFX_Color ConvertColorType(int32_t other_nColorType) const;
46 
47   FX_COLORREF ToFXColor(int32_t nTransparency) const;
48 
ResetCFX_Color49   void Reset() {
50     nColorType = CFX_Color::kTransparent;
51     fColor1 = 0.0f;
52     fColor2 = 0.0f;
53     fColor3 = 0.0f;
54     fColor4 = 0.0f;
55   }
56 
57   int32_t nColorType;
58   float fColor1;
59   float fColor2;
60   float fColor3;
61   float fColor4;
62 };
63 
64 #endif  // CORE_FXGE_CFX_COLOR_H_
65