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 FPDFSDK_INCLUDE_PDFWINDOW_PWL_UTILS_H_
8 #define FPDFSDK_INCLUDE_PDFWINDOW_PWL_UTILS_H_
9 
10 #include "../../../core/include/fpdfapi/fpdf_parser.h"  // For CPDF_Point.
11 #include "../../../core/include/fpdfdoc/fpdf_vt.h"  // For CPVT_WordRange.
12 #include "../fxedit/fx_edit.h"
13 #include "PWL_Wnd.h"
14 
15 class CFX_PathData;
16 struct CPWL_Color;
17 
PWL_MIN(const T & i,const T & j)18 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)19 template<class T> T PWL_MAX (const T & i, const T & j) { return ((i > j) ? i : j); }
20 
21 #define PWL_PDF2WIN(color)					(FX_BYTE(color*255))
22 #define PWL_WIN2PDF(color)					((FX_FLOAT)((FX_FLOAT)color/255.0f))
23 
24 #define PWL_MAKEDWORD(low,high)				((FX_DWORD)((FX_WORD)(low) | (FX_DWORD)(((FX_WORD)(high))<<16)))
25 #define PWL_GETLOWWORD(dword)				((FX_WORD)(dword))
26 #define PWL_GETHIGHWORD(dword)				((FX_WORD)(dword>>16))
27 
28 #define PWL_ICONTYPE_CHECKMARK				0
29 #define PWL_ICONTYPE_CIRCLE					1
30 #define PWL_ICONTYPE_COMMENT				2
31 #define PWL_ICONTYPE_CROSS					3
32 #define PWL_ICONTYPE_HELP					4
33 #define PWL_ICONTYPE_INSERTTEXT				5
34 #define PWL_ICONTYPE_KEY					6
35 #define PWL_ICONTYPE_NEWPARAGRAPH			7
36 #define PWL_ICONTYPE_TEXTNOTE				8
37 #define PWL_ICONTYPE_PARAGRAPH				9
38 #define PWL_ICONTYPE_RIGHTARROW				10
39 #define PWL_ICONTYPE_RIGHTPOINTER			11
40 #define PWL_ICONTYPE_STAR					12
41 #define PWL_ICONTYPE_UPARROW				13
42 #define PWL_ICONTYPE_UPLEFTARROW			14
43 
44 #define PWL_ICONTYPE_GRAPH					15
45 #define PWL_ICONTYPE_PAPERCLIP				16
46 #define PWL_ICONTYPE_ATTACHMENT				17
47 #define PWL_ICONTYPE_TAG					18
48 
49 #define PWL_ICONTYPE_FOXIT					19
50 
51 #define PWL_ICONTYPE_UNKNOWN				-1
52 
53 //checkbox & radiobutton style
54 #define PCS_CHECK							0
55 #define PCS_CIRCLE							1
56 #define PCS_CROSS							2
57 #define PCS_DIAMOND							3
58 #define PCS_SQUARE							4
59 #define PCS_STAR							5
60 
61 #define	PWL_PI								3.14159265358979f
62 #define PWL_BEZIER							0.5522847498308f
63 
64 //pushbutton layout style
65 #define PPBL_LABEL							0
66 #define PPBL_ICON							1
67 #define PPBL_ICONTOPLABELBOTTOM				2
68 #define	PPBL_LABELTOPICONBOTTOM				3
69 #define	PPBL_ICONLEFTLABELRIGHT				4
70 #define PPBL_LABELLEFTICONRIGHT				5
71 #define PPBL_LABELOVERICON					6
72 
73 class CPWL_Point : public CPDF_Point
74 {
75 public:
CPWL_Point()76 	CPWL_Point() : CPDF_Point(0.0f,0.0f){}
CPWL_Point(FX_FLOAT fx,FX_FLOAT fy)77 	CPWL_Point(FX_FLOAT fx, FX_FLOAT fy) : CPDF_Point(fx,fy) {}
CPWL_Point(const CPWL_Point & point)78 	CPWL_Point(const CPWL_Point& point) : CPDF_Point(point.x, point.y) {}
79 };
80 
81 enum PWL_PATHDATA_TYPE
82 {
83 	PWLPT_MOVETO,
84 	PWLPT_LINETO,
85 	PWLPT_BEZIERTO,
86 	PWLPT_UNKNOWN
87 };
88 
89 enum PWL_PATH_TYPE
90 {
91 	PWLPT_PATHDATA,
92 	PWLPT_STREAM
93 };
94 
95 class CPWL_PathData
96 {
97 public:
CPWL_PathData()98 	CPWL_PathData() : point(), type(PWLPT_UNKNOWN){}
CPWL_PathData(const CPWL_Point & pt,PWL_PATHDATA_TYPE tp)99 	CPWL_PathData(const CPWL_Point& pt, PWL_PATHDATA_TYPE tp) : point(pt), type(tp) {}
100 
101 	CPWL_Point								point;
102 	PWL_PATHDATA_TYPE						type;
103 };
104 
105 class IPWL_SpellCheck;
106 
107 class PWL_CLASS CPWL_Utils
108 {
109 public:
110 	static CPDF_Rect						InflateRect(const CPDF_Rect& rcRect, FX_FLOAT fSize);
111 	static CPDF_Rect						DeflateRect(const CPDF_Rect& rcRect, FX_FLOAT fSize);
112 	static FX_BOOL							IntersectRect(const CPDF_Rect& rect1, const CPDF_Rect& rect2);
113 	static FX_BOOL							ContainsRect(const CPDF_Rect& rcParent, const CPDF_Rect& rcChild);
114 	static CPDF_Rect						ScaleRect(const CPDF_Rect& rcRect,FX_FLOAT fScale);
115 	static CPVT_WordRange					OverlapWordRange(const CPVT_WordRange& wr1, const CPVT_WordRange& wr2);
116 	static CPDF_Rect						GetCenterSquare(const CPDF_Rect & rect);
117 	static CPWL_Color						SubstractColor(const CPWL_Color & sColor,FX_FLOAT fColorSub);
118 	static CPWL_Color						DevideColor(const CPWL_Color & sColor,FX_FLOAT fColorDevide);
119 	static CPDF_Rect						MaxRect(const CPDF_Rect & rect1,const CPDF_Rect & rect2);
120 	static CPDF_Rect						OffsetRect(const CPDF_Rect & rect,FX_FLOAT x,FX_FLOAT y);
121 	static CPDF_Point						OffsetPoint(const  CPDF_Point & point,FX_FLOAT x,FX_FLOAT y);
122 	static FX_COLORREF						PWLColorToFXColor(const CPWL_Color& color, FX_INT32 nTransparancy = 255);
123 	static FX_BOOL							IsBlackOrWhite(const CPWL_Color& color);
124 	static CPWL_Color						GetReverseColor(const CPWL_Color& color);
125 
126 	static CFX_ByteString					GetColorAppStream(const CPWL_Color & color,const FX_BOOL & bFillOrStroke = TRUE);
127 	static CFX_ByteString					GetBorderAppStream(const CPDF_Rect & rect, FX_FLOAT fWidth,
128 												const CPWL_Color & color, const CPWL_Color & crLeftTop, const CPWL_Color & crRightBottom,
129 												FX_INT32 nStyle, const CPWL_Dash & dash);
130 	static CFX_ByteString					GetCircleBorderAppStream(const CPDF_Rect & rect, FX_FLOAT fWidth,
131 												const CPWL_Color & color, const CPWL_Color & crLeftTop, const CPWL_Color & crRightBottom,
132 												FX_INT32 nStyle, const CPWL_Dash & dash);
133 	static CFX_ByteString					GetRectFillAppStream(const CPDF_Rect & rect,const CPWL_Color & color);
134 	static CFX_ByteString					GetCircleFillAppStream(const CPDF_Rect & rect,const CPWL_Color & color);
135 
136 	static CFX_ByteString					GetPushButtonAppStream(const CPDF_Rect & rcBBox,
137 														IFX_Edit_FontMap * pFontMap,
138 														CPDF_Stream * pIconStream,
139 														CPDF_IconFit & IconFit,
140 														const CFX_WideString & sLabel,
141 														const CPWL_Color & crText,
142 														FX_FLOAT fFontSize,
143 														FX_INT32 nLayOut);
144 	static CFX_ByteString					GetCheckBoxAppStream(const CPDF_Rect & rcBBox,
145 														FX_INT32 nStyle,
146 														const CPWL_Color & crText);
147 	static CFX_ByteString					GetRadioButtonAppStream(const CPDF_Rect & rcBBox,
148 														FX_INT32 nStyle,
149 														const CPWL_Color & crText);
150 
151 	static CFX_ByteString					GetEditAppStream(IFX_Edit* pEdit, const CPDF_Point & ptOffset, const CPVT_WordRange * pRange = NULL,
152 														FX_BOOL bContinuous = TRUE, FX_WORD SubWord = 0);
153 	static CFX_ByteString					GetEditSelAppStream(IFX_Edit* pEdit, const CPDF_Point & ptOffset,
154 														const CPVT_WordRange * pRange = NULL);
155 	static CFX_ByteString					GetSpellCheckAppStream(IFX_Edit* pEdit, IPWL_SpellCheck* pSpellCheck,
156 														const CPDF_Point & ptOffset,
157 														const CPVT_WordRange * pRange = NULL);
158 	static CFX_ByteString					GetTextAppStream(const CPDF_Rect & rcBBox,IFX_Edit_FontMap * pFontMap,
159 														const CFX_WideString & sText, FX_INT32 nAlignmentH, FX_INT32 nAlignmentV,
160 														FX_FLOAT fFontSize, FX_BOOL bMultiLine, FX_BOOL bAutoReturn, const CPWL_Color & crText);
161 	static CFX_ByteString					GetDropButtonAppStream(const CPDF_Rect & rcBBox);
162 
163 	static void								DrawFillRect(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,const CPDF_Rect & rect,
164 														const CPWL_Color & color, FX_INT32 nTransparancy);
165 	static void								DrawFillRect(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,
166 														const CPDF_Rect & rect,const FX_COLORREF & color);
167 	static void								DrawStrokeRect(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,const CPDF_Rect & rect,
168 														const FX_COLORREF & color, FX_FLOAT fWidth);
169 	static void								DrawStrokeLine(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,
170 														const CPDF_Point & ptMoveTo, const CPDF_Point & ptLineTo, const FX_COLORREF & color, FX_FLOAT fWidth);
171 	static void								DrawBorder(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,
172 												const CPDF_Rect & rect, FX_FLOAT fWidth,
173 												const CPWL_Color & color, const CPWL_Color & crLeftTop, const CPWL_Color & crRightBottom,
174 												FX_INT32 nStyle, const CPWL_Dash & dash, FX_INT32 nTransparancy);
175 	static void								DrawFillArea(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,
176 														const CPDF_Point* pPts, FX_INT32 nCount, const FX_COLORREF& color);
177 	static void								DrawShadow(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,
178 														FX_BOOL bVertical, FX_BOOL bHorizontal, CPDF_Rect rect,
179 														FX_INT32 nTransparancy, FX_INT32 nStartGray, FX_INT32 nEndGray);
180 	static void								DrawEditSpellCheck(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device, IFX_Edit* pEdit,
181 														const CPDF_Rect& rcClip, const CPDF_Point& ptOffset, const CPVT_WordRange* pRange,
182 														IPWL_SpellCheck* pSpellCheck);
183 public:
184 	static void								ConvertCMYK2RGB(FX_FLOAT dC,FX_FLOAT dM,FX_FLOAT dY,FX_FLOAT dK,FX_FLOAT &dR,FX_FLOAT &dG,FX_FLOAT &dB);
185 	static void								ConvertRGB2CMYK(FX_FLOAT dR,FX_FLOAT dG,FX_FLOAT dB,FX_FLOAT &dC,FX_FLOAT &dM,FX_FLOAT &dY,FX_FLOAT &dK);
186 
187 	static void								ConvertRGB2GRAY(FX_FLOAT dR,FX_FLOAT dG,FX_FLOAT dB,FX_FLOAT &dGray);
188 	static void								ConvertGRAY2RGB(FX_FLOAT dGray,FX_FLOAT &dR,FX_FLOAT &dG,FX_FLOAT &dB);
189 
190 	static void								ConvertCMYK2GRAY(FX_FLOAT dC,FX_FLOAT dM,FX_FLOAT dY,FX_FLOAT dK,FX_FLOAT &dGray);
191 	static void								ConvertGRAY2CMYK(FX_FLOAT dGray,FX_FLOAT &dC,FX_FLOAT &dM,FX_FLOAT &dY,FX_FLOAT &dK);
192 
193 	static void								PWLColorToARGB(const CPWL_Color& color, FX_INT32& alpha, FX_FLOAT& red, FX_FLOAT& green, FX_FLOAT& blue);
194 
195 public:
196 	static CFX_ByteString					GetIconAppStream(FX_INT32 nType, const CPDF_Rect& rect, const CPWL_Color& crFill,
197 												const CPWL_Color& crStroke = PWL_DEFAULT_BLACKCOLOR);
198 	static void								DrawIconAppStream(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,
199 												FX_INT32 nType, const CPDF_Rect & rect, const CPWL_Color& crFill,
200 												const CPWL_Color& crStroke, const FX_INT32 nTransparancy);
201 
202 private:
203 	static CFX_ByteString					GetAppStreamFromArray(const CPWL_PathData* pPathData, FX_INT32 nCount);
204 	static void								GetPathDataFromArray(CFX_PathData& path, const CPWL_PathData* pPathData, FX_INT32 nCount);
205 
206 	static CFX_ByteString					GetAppStream_Check(const CPDF_Rect & rcBBox, const CPWL_Color & crText);
207 	static CFX_ByteString					GetAppStream_Circle(const CPDF_Rect & rcBBox, const CPWL_Color & crText);
208 	static CFX_ByteString					GetAppStream_Cross(const CPDF_Rect & rcBBox, const CPWL_Color & crText);
209 	static CFX_ByteString					GetAppStream_Diamond(const CPDF_Rect & rcBBox, const CPWL_Color & crText);
210 	static CFX_ByteString					GetAppStream_Square(const CPDF_Rect & rcBBox, const CPWL_Color & crText);
211 	static CFX_ByteString					GetAppStream_Star(const CPDF_Rect & rcBBox, const CPWL_Color & crText);
212 
213 	static CFX_ByteString					GetAP_Check(const CPDF_Rect & crBBox);
214 	static CFX_ByteString					GetAP_Circle(const CPDF_Rect & crBBox);
215 	static CFX_ByteString					GetAP_Cross(const CPDF_Rect & crBBox);
216 	static CFX_ByteString					GetAP_Diamond(const CPDF_Rect & crBBox);
217 	static CFX_ByteString					GetAP_Square(const CPDF_Rect & crBBox);
218 	static CFX_ByteString					GetAP_Star(const CPDF_Rect & crBBox);
219 	static CFX_ByteString					GetAP_HalfCircle(const CPDF_Rect & crBBox,FX_FLOAT fRotate);
220 
221 	static void								GetGraphics_Checkmark(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
222 	static void								GetGraphics_Circle(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
223 	static void								GetGraphics_Comment(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
224 	static void								GetGraphics_Cross(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
225 	static void								GetGraphics_Help(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
226 	static void								GetGraphics_InsertText(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
227 	static void								GetGraphics_Key(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
228 	static void								GetGraphics_NewParagraph(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
229 	static void								GetGraphics_TextNote(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
230 	static void								GetGraphics_Paragraph(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
231 	static void								GetGraphics_RightArrow(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
232 	static void								GetGraphics_RightPointer(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
233 	static void								GetGraphics_Star(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
234 	static void								GetGraphics_UpArrow(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
235 	static void								GetGraphics_UpLeftArrow(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
236 	static void								GetGraphics_Graph(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
237 	static void								GetGraphics_Paperclip(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
238 	static void								GetGraphics_Attachment(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
239 	static void								GetGraphics_Tag(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
240 	static void								GetGraphics_Foxit(CFX_ByteString& sPathData, CFX_PathData& path, const CPDF_Rect& crBBox, const PWL_PATH_TYPE type);
241 };
242 
243 #endif  // FPDFSDK_INCLUDE_PDFWINDOW_PWL_UTILS_H_
244