1 // Copyright 2014 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 _PWL_UTILS_H_
8 #define _PWL_UTILS_H_
9
PWL_MIN(const T & i,const T & j)10 template<class T> T PWL_MIN (const T & i, const T & j) { return ((i < j) ? i : j); }
PWL_MAX(const T & i,const T & j)11 template<class T> T PWL_MAX (const T & i, const T & j) { return ((i > j) ? i : j); }
12
13 #define PWL_PDF2WIN(color) (FX_BYTE(color*255))
14 #define PWL_WIN2PDF(color) ((FX_FLOAT)((FX_FLOAT)color/255.0f))
15
16 #define PWL_MAKEDWORD(low,high) ((FX_DWORD)((FX_WORD)(low) | (FX_DWORD)(((FX_WORD)(high))<<16)))
17 #define PWL_GETLOWWORD(dword) ((FX_WORD)(dword))
18 #define PWL_GETHIGHWORD(dword) ((FX_WORD)(dword>>16))
19
20 #define PWL_ICONTYPE_CHECKMARK 0
21 #define PWL_ICONTYPE_CIRCLE 1
22 #define PWL_ICONTYPE_COMMENT 2
23 #define PWL_ICONTYPE_CROSS 3
24 #define PWL_ICONTYPE_HELP 4
25 #define PWL_ICONTYPE_INSERTTEXT 5
26 #define PWL_ICONTYPE_KEY 6
27 #define PWL_ICONTYPE_NEWPARAGRAPH 7
28 #define PWL_ICONTYPE_TEXTNOTE 8
29 #define PWL_ICONTYPE_PARAGRAPH 9
30 #define PWL_ICONTYPE_RIGHTARROW 10
31 #define PWL_ICONTYPE_RIGHTPOINTER 11
32 #define PWL_ICONTYPE_STAR 12
33 #define PWL_ICONTYPE_UPARROW 13
34 #define PWL_ICONTYPE_UPLEFTARROW 14
35
36 #define PWL_ICONTYPE_GRAPH 15
37 #define PWL_ICONTYPE_PAPERCLIP 16
38 #define PWL_ICONTYPE_ATTACHMENT 17
39 #define PWL_ICONTYPE_TAG 18
40
41 #define PWL_ICONTYPE_FOXIT 19
42
43 #define PWL_ICONTYPE_UNKNOWN -1
44
45 //checkbox & radiobutton style
46 #define PCS_CHECK 0
47 #define PCS_CIRCLE 1
48 #define PCS_CROSS 2
49 #define PCS_DIAMOND 3
50 #define PCS_SQUARE 4
51 #define PCS_STAR 5
52
53 #define PWL_PI 3.14159265358979f
54 #define PWL_BEZIER 0.5522847498308f
55
56 //pushbutton layout style
57 #define PPBL_LABEL 0
58 #define PPBL_ICON 1
59 #define PPBL_ICONTOPLABELBOTTOM 2
60 #define PPBL_LABELTOPICONBOTTOM 3
61 #define PPBL_ICONLEFTLABELRIGHT 4
62 #define PPBL_LABELLEFTICONRIGHT 5
63 #define PPBL_LABELOVERICON 6
64
65 class CPWL_Point : public CPDF_Point
66 {
67 public:
CPWL_Point()68 CPWL_Point() : CPDF_Point(0.0f,0.0f){}
CPWL_Point(FX_FLOAT fx,FX_FLOAT fy)69 CPWL_Point(FX_FLOAT fx, FX_FLOAT fy) : CPDF_Point(fx,fy) {}
CPWL_Point(const CPWL_Point & point)70 CPWL_Point(const CPWL_Point& point) : CPDF_Point(point.x, point.y) {}
71 };
72
73 enum PWL_PATHDATA_TYPE
74 {
75 PWLPT_MOVETO,
76 PWLPT_LINETO,
77 PWLPT_BEZIERTO,
78 PWLPT_UNKNOWN
79 };
80
81 enum PWL_PATH_TYPE
82 {
83 PWLPT_PATHDATA,
84 PWLPT_STREAM
85 };
86
87 class CPWL_PathData
88 {
89 public:
CPWL_PathData()90 CPWL_PathData() : point(), type(PWLPT_UNKNOWN){}
CPWL_PathData(const CPWL_Point & pt,PWL_PATHDATA_TYPE tp)91 CPWL_PathData(const CPWL_Point& pt, PWL_PATHDATA_TYPE tp) : point(pt), type(tp) {}
92
93 CPWL_Point point;
94 PWL_PATHDATA_TYPE type;
95 };
96
97 class IPWL_SpellCheck;
98
99 class PWL_CLASS CPWL_Utils
100 {
101 public:
102 static CPDF_Rect InflateRect(const CPDF_Rect& rcRect, FX_FLOAT fSize);
103 static CPDF_Rect DeflateRect(const CPDF_Rect& rcRect, FX_FLOAT fSize);
104 static FX_BOOL IntersectRect(const CPDF_Rect& rect1, const CPDF_Rect& rect2);
105 static FX_BOOL ContainsRect(const CPDF_Rect& rcParent, const CPDF_Rect& rcChild);
106 static CPDF_Rect ScaleRect(const CPDF_Rect& rcRect,FX_FLOAT fScale);
107 static CPVT_WordRange OverlapWordRange(const CPVT_WordRange& wr1, const CPVT_WordRange& wr2);
108 static CPDF_Rect GetCenterSquare(const CPDF_Rect & rect);
109 static CPWL_Color SubstractColor(const CPWL_Color & sColor,FX_FLOAT fColorSub);
110 static CPWL_Color DevideColor(const CPWL_Color & sColor,FX_FLOAT fColorDevide);
111 static CPDF_Rect MaxRect(const CPDF_Rect & rect1,const CPDF_Rect & rect2);
112 static CPDF_Rect OffsetRect(const CPDF_Rect & rect,FX_FLOAT x,FX_FLOAT y);
113 static CPDF_Point OffsetPoint(const CPDF_Point & point,FX_FLOAT x,FX_FLOAT y);
114 static FX_COLORREF PWLColorToFXColor(const CPWL_Color& color, FX_INT32 nTransparancy = 255);
115 static FX_BOOL IsBlackOrWhite(const CPWL_Color& color);
116 static CPWL_Color GetReverseColor(const CPWL_Color& color);
117
118 static CFX_ByteString GetColorAppStream(const CPWL_Color & color,const FX_BOOL & bFillOrStroke = TRUE);
119 static CFX_ByteString GetBorderAppStream(const CPDF_Rect & rect, FX_FLOAT fWidth,
120 const CPWL_Color & color, const CPWL_Color & crLeftTop, const CPWL_Color & crRightBottom,
121 FX_INT32 nStyle, const CPWL_Dash & dash);
122 static CFX_ByteString GetCircleBorderAppStream(const CPDF_Rect & rect, FX_FLOAT fWidth,
123 const CPWL_Color & color, const CPWL_Color & crLeftTop, const CPWL_Color & crRightBottom,
124 FX_INT32 nStyle, const CPWL_Dash & dash);
125 static CFX_ByteString GetRectFillAppStream(const CPDF_Rect & rect,const CPWL_Color & color);
126 static CFX_ByteString GetCircleFillAppStream(const CPDF_Rect & rect,const CPWL_Color & color);
127
128 static CFX_ByteString GetPushButtonAppStream(const CPDF_Rect & rcBBox,
129 IFX_Edit_FontMap * pFontMap,
130 CPDF_Stream * pIconStream,
131 CPDF_IconFit & IconFit,
132 const CFX_WideString & sLabel,
133 const CPWL_Color & crText,
134 FX_FLOAT fFontSize,
135 FX_INT32 nLayOut);
136 static CFX_ByteString GetCheckBoxAppStream(const CPDF_Rect & rcBBox,
137 FX_INT32 nStyle,
138 const CPWL_Color & crText);
139 static CFX_ByteString GetRadioButtonAppStream(const CPDF_Rect & rcBBox,
140 FX_INT32 nStyle,
141 const CPWL_Color & crText);
142
143 static CFX_ByteString GetEditAppStream(IFX_Edit* pEdit, const CPDF_Point & ptOffset, const CPVT_WordRange * pRange = NULL,
144 FX_BOOL bContinuous = TRUE, FX_WORD SubWord = 0);
145 static CFX_ByteString GetEditSelAppStream(IFX_Edit* pEdit, const CPDF_Point & ptOffset,
146 const CPVT_WordRange * pRange = NULL);
147 static CFX_ByteString GetSpellCheckAppStream(IFX_Edit* pEdit, IPWL_SpellCheck* pSpellCheck,
148 const CPDF_Point & ptOffset,
149 const CPVT_WordRange * pRange = NULL);
150 static CFX_ByteString GetTextAppStream(const CPDF_Rect & rcBBox,IFX_Edit_FontMap * pFontMap,
151 const CFX_WideString & sText, FX_INT32 nAlignmentH, FX_INT32 nAlignmentV,
152 FX_FLOAT fFontSize, FX_BOOL bMultiLine, FX_BOOL bAutoReturn, const CPWL_Color & crText);
153 static CFX_ByteString GetDropButtonAppStream(const CPDF_Rect & rcBBox);
154
155 static void DrawFillRect(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,const CPDF_Rect & rect,
156 const CPWL_Color & color, FX_INT32 nTransparancy);
157 static void DrawFillRect(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,
158 const CPDF_Rect & rect,const FX_COLORREF & color);
159 static void DrawStrokeRect(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,const CPDF_Rect & rect,
160 const FX_COLORREF & color, FX_FLOAT fWidth);
161 static void DrawStrokeLine(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,
162 const CPDF_Point & ptMoveTo, const CPDF_Point & ptLineTo, const FX_COLORREF & color, FX_FLOAT fWidth);
163 static void DrawBorder(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,
164 const CPDF_Rect & rect, FX_FLOAT fWidth,
165 const CPWL_Color & color, const CPWL_Color & crLeftTop, const CPWL_Color & crRightBottom,
166 FX_INT32 nStyle, const CPWL_Dash & dash, FX_INT32 nTransparancy);
167 static void DrawFillArea(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,
168 const CPDF_Point* pPts, FX_INT32 nCount, const FX_COLORREF& color);
169 static void DrawShadow(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,
170 FX_BOOL bVertical, FX_BOOL bHorizontal, CPDF_Rect rect,
171 FX_INT32 nTransparancy, FX_INT32 nStartGray, FX_INT32 nEndGray);
172 static void DrawEditSpellCheck(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device, IFX_Edit* pEdit,
173 const CPDF_Rect& rcClip, const CPDF_Point& ptOffset, const CPVT_WordRange* pRange,
174 IPWL_SpellCheck* pSpellCheck);
175 public:
176 static void ConvertCMYK2RGB(FX_FLOAT dC,FX_FLOAT dM,FX_FLOAT dY,FX_FLOAT dK,FX_FLOAT &dR,FX_FLOAT &dG,FX_FLOAT &dB);
177 static void ConvertRGB2CMYK(FX_FLOAT dR,FX_FLOAT dG,FX_FLOAT dB,FX_FLOAT &dC,FX_FLOAT &dM,FX_FLOAT &dY,FX_FLOAT &dK);
178
179 static void ConvertRGB2GRAY(FX_FLOAT dR,FX_FLOAT dG,FX_FLOAT dB,FX_FLOAT &dGray);
180 static void ConvertGRAY2RGB(FX_FLOAT dGray,FX_FLOAT &dR,FX_FLOAT &dG,FX_FLOAT &dB);
181
182 static void ConvertCMYK2GRAY(FX_FLOAT dC,FX_FLOAT dM,FX_FLOAT dY,FX_FLOAT dK,FX_FLOAT &dGray);
183 static void ConvertGRAY2CMYK(FX_FLOAT dGray,FX_FLOAT &dC,FX_FLOAT &dM,FX_FLOAT &dY,FX_FLOAT &dK);
184
185 static void PWLColorToARGB(const CPWL_Color& color, FX_INT32& alpha, FX_FLOAT& red, FX_FLOAT& green, FX_FLOAT& blue);
186
187 public:
188 static CFX_ByteString GetIconAppStream(FX_INT32 nType, const CPDF_Rect& rect, const CPWL_Color& crFill,
189 const CPWL_Color& crStroke = PWL_DEFAULT_BLACKCOLOR);
190 static void DrawIconAppStream(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,
191 FX_INT32 nType, const CPDF_Rect & rect, const CPWL_Color& crFill,
192 const CPWL_Color& crStroke, const FX_INT32 nTransparancy);
193
194 private:
195 static CFX_ByteString GetAppStreamFromArray(const CPWL_PathData* pPathData, FX_INT32 nCount);
196 static void GetPathDataFromArray(CFX_PathData& path, const CPWL_PathData* pPathData, FX_INT32 nCount);
197
198 static CFX_ByteString GetAppStream_Check(const CPDF_Rect & rcBBox, const CPWL_Color & crText);
199 static CFX_ByteString GetAppStream_Circle(const CPDF_Rect & rcBBox, const CPWL_Color & crText);
200 static CFX_ByteString GetAppStream_Cross(const CPDF_Rect & rcBBox, const CPWL_Color & crText);
201 static CFX_ByteString GetAppStream_Diamond(const CPDF_Rect & rcBBox, const CPWL_Color & crText);
202 static CFX_ByteString GetAppStream_Square(const CPDF_Rect & rcBBox, const CPWL_Color & crText);
203 static CFX_ByteString GetAppStream_Star(const CPDF_Rect & rcBBox, const CPWL_Color & crText);
204
205 static CFX_ByteString GetAP_Check(const CPDF_Rect & crBBox);
206 static CFX_ByteString GetAP_Circle(const CPDF_Rect & crBBox);
207 static CFX_ByteString GetAP_Cross(const CPDF_Rect & crBBox);
208 static CFX_ByteString GetAP_Diamond(const CPDF_Rect & crBBox);
209 static CFX_ByteString GetAP_Square(const CPDF_Rect & crBBox);
210 static CFX_ByteString GetAP_Star(const CPDF_Rect & crBBox);
211 static CFX_ByteString GetAP_HalfCircle(const CPDF_Rect & crBBox,FX_FLOAT fRotate);
212
213 static void GetGraphics_Checkmark(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
214 static void GetGraphics_Circle(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
215 static void GetGraphics_Comment(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
216 static void GetGraphics_Cross(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
217 static void GetGraphics_Help(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
218 static void GetGraphics_InsertText(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
219 static void GetGraphics_Key(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
220 static void GetGraphics_NewParagraph(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
221 static void GetGraphics_TextNote(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
222 static void GetGraphics_Paragraph(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
223 static void GetGraphics_RightArrow(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
224 static void GetGraphics_RightPointer(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
225 static void GetGraphics_Star(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
226 static void GetGraphics_UpArrow(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
227 static void GetGraphics_UpLeftArrow(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
228 static void GetGraphics_Graph(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
229 static void GetGraphics_Paperclip(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
230 static void GetGraphics_Attachment(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
231 static void GetGraphics_Tag(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
232 static void GetGraphics_Foxit(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
233 };
234
235 #endif // !defined(AFX_PWL_UTILS_H__D32812AD_A875_4E08_9D3C_0A57020987C6__INCLUDED_)
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