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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef INCLUDED_PDFI_PROCESSOR_HXX
21 : #define INCLUDED_PDFI_PROCESSOR_HXX
22 :
23 : #include <com/sun/star/util/XStringMapping.hpp>
24 : #include <com/sun/star/xml/sax/XDocumentHandler.hpp>
25 : #include <com/sun/star/task/XStatusIndicator.hpp>
26 : #include <com/sun/star/rendering/XVolatileBitmap.hpp>
27 : #include <com/sun/star/geometry/RealSize2D.hpp>
28 : #include <com/sun/star/geometry/RealPoint2D.hpp>
29 : #include <com/sun/star/geometry/RealRectangle2D.hpp>
30 : #include <com/sun/star/geometry/Matrix2D.hpp>
31 :
32 : #include <basegfx/polygon/b2dpolypolygon.hxx>
33 : #include <basegfx/polygon/b2dpolygon.hxx>
34 : #include <basegfx/matrix/b2dhommatrix.hxx>
35 : #include <basegfx/range/b2drange.hxx>
36 :
37 : #include <rtl/ustring.hxx>
38 : #include <rtl/ustrbuf.hxx>
39 :
40 : #include <boost/shared_ptr.hpp>
41 : #include <list>
42 : #include <boost/unordered_map.hpp>
43 :
44 : #include "imagecontainer.hxx"
45 : #include "contentsink.hxx"
46 : #include "treevisitorfactory.hxx"
47 : #include "genericelements.hxx"
48 :
49 : namespace pdfi
50 : {
51 :
52 : class PDFIProcessor;
53 : struct Element;
54 : struct DocumentElement;
55 : struct PageElement;
56 : class ElementFactory;
57 : class XmlEmitter;
58 : class CharGlyph;
59 :
60 : /** Main entry from the parser
61 :
62 : Creates the internal DOM tree from the render calls
63 : */
64 4 : class PDFIProcessor : public ContentSink
65 : {
66 : public:
67 : com::sun::star::uno::Reference<
68 : com::sun::star::uno::XComponentContext > m_xContext;
69 : double fYPrevTextPosition;
70 : double fPrevTextHeight;
71 : double fXPrevTextPosition;
72 : double fPrevTextWidth;
73 : enum DocumentTextDirecion { LrTb, RlTb, TbLr };
74 :
75 : explicit PDFIProcessor( const com::sun::star::uno::Reference< com::sun::star::task::XStatusIndicator >& xStat,
76 : com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext > xContext) ;
77 :
78 : /// TEMP - enable writer-like text:p on doc level
79 : void enableToplevelText();
80 :
81 : void emit( XmlEmitter& rEmitter,
82 : const TreeVisitorFactory& rVisitorFactory );
83 :
84 : sal_Int32 getGCId( const GraphicsContext& rGC );
85 : const GraphicsContext& getGraphicsContext( sal_Int32 nGCId ) const;
86 532 : GraphicsContext& getCurrentContext() { return m_aGCStack.back(); }
87 0 : const GraphicsContext& getCurrentContext() const { return m_aGCStack.back(); }
88 :
89 : ImageContainer& getImages() { return m_aImages; }
90 1 : boost::shared_ptr<ElementFactory> getElementFactory() const { return m_pElFactory; }
91 :
92 4 : const com::sun::star::uno::Reference< com::sun::star::task::XStatusIndicator >& getStatusIndicator() const
93 4 : { return m_xStatusIndicator; }
94 : void setStatusIndicator( const com::sun::star::uno::Reference< com::sun::star::task::XStatusIndicator >& xStatus )
95 : { m_xStatusIndicator = xStatus; }
96 :
97 : const FontAttributes& getFont( sal_Int32 nFontId ) const;
98 : sal_Int32 getFontId( const FontAttributes& rAttr ) const;
99 :
100 : void sortElements( Element* pElement, bool bDeep = false );
101 :
102 : OUString mirrorString( const OUString& i_rInString ) const;
103 :
104 : private:
105 : void processGlyphLine();
106 : void processGlyph( double fPreAvarageSpaceValue,
107 : CharGlyph& rGlyph,
108 : ParagraphElement* pPara,
109 : FrameElement* pFrame,
110 : bool bIsWhiteSpaceInLine );
111 :
112 : void drawGlyphLine( const OUString& rGlyphs,
113 : const ::com::sun::star::geometry::RealRectangle2D& rRect,
114 : const ::com::sun::star::geometry::Matrix2D& rFontMatrix );
115 :
116 : void drawCharGlyphs( OUString& rGlyphs,
117 : ::com::sun::star::geometry::RealRectangle2D& rRect,
118 : const GraphicsContext& aGC,
119 : ParagraphElement* pPara,
120 : FrameElement* pFrame,
121 : bool bSpaceFlag );
122 :
123 : GraphicsContext& getTransformGlyphContext( CharGlyph& rGlyph );
124 :
125 : // ContentSink interface implementation
126 :
127 : virtual void setPageNum( sal_Int32 nNumPages );
128 : virtual void startPage( const ::com::sun::star::geometry::RealSize2D& rSize );
129 : virtual void endPage();
130 :
131 : virtual void hyperLink( const ::com::sun::star::geometry::RealRectangle2D& rBounds,
132 : const OUString& rURI );
133 : virtual void pushState();
134 : virtual void popState();
135 : virtual void setFlatness( double );
136 : virtual void setTransformation( const ::com::sun::star::geometry::AffineMatrix2D& rMatrix );
137 : virtual void setLineDash( const ::com::sun::star::uno::Sequence<double>& dashes,
138 : double start );
139 : virtual void setLineJoin(sal_Int8);
140 : virtual void setLineCap(sal_Int8);
141 : virtual void setMiterLimit(double);
142 : virtual void setLineWidth(double);
143 : virtual void setFillColor( const ::com::sun::star::rendering::ARGBColor& rColor );
144 : virtual void setStrokeColor( const ::com::sun::star::rendering::ARGBColor& rColor );
145 : virtual void setBlendMode(sal_Int8);
146 : virtual void setFont( const FontAttributes& rFont );
147 : virtual void setTextRenderMode( sal_Int32 );
148 :
149 : virtual void strokePath( const ::com::sun::star::uno::Reference<
150 : ::com::sun::star::rendering::XPolyPolygon2D >& rPath );
151 : virtual void fillPath( const ::com::sun::star::uno::Reference<
152 : ::com::sun::star::rendering::XPolyPolygon2D >& rPath );
153 : virtual void eoFillPath( const ::com::sun::star::uno::Reference<
154 : ::com::sun::star::rendering::XPolyPolygon2D >& rPath );
155 :
156 : virtual void intersectClip(const ::com::sun::star::uno::Reference<
157 : ::com::sun::star::rendering::XPolyPolygon2D >& rPath);
158 : virtual void intersectEoClip(const ::com::sun::star::uno::Reference<
159 : ::com::sun::star::rendering::XPolyPolygon2D >& rPath);
160 :
161 : virtual void drawGlyphs( const OUString& rGlyphs,
162 : const ::com::sun::star::geometry::RealRectangle2D& rRect,
163 : const ::com::sun::star::geometry::Matrix2D& rFontMatrix );
164 : virtual void endText();
165 :
166 : virtual void drawMask(const ::com::sun::star::uno::Sequence<
167 : ::com::sun::star::beans::PropertyValue>& xBitmap,
168 : bool bInvert );
169 : /// Given image must already be color-mapped and normalized to sRGB.
170 : virtual void drawImage(const ::com::sun::star::uno::Sequence<
171 : ::com::sun::star::beans::PropertyValue>& xBitmap );
172 : /** Given image must already be color-mapped and normalized to sRGB.
173 :
174 : maskColors must contain two sequences of color components
175 : */
176 : virtual void drawColorMaskedImage(const ::com::sun::star::uno::Sequence<
177 : ::com::sun::star::beans::PropertyValue>& xBitmap,
178 : const ::com::sun::star::uno::Sequence<
179 : ::com::sun::star::uno::Any>& xMaskColors );
180 : virtual void drawMaskedImage(const ::com::sun::star::uno::Sequence<
181 : ::com::sun::star::beans::PropertyValue>& xBitmap,
182 : const ::com::sun::star::uno::Sequence<
183 : ::com::sun::star::beans::PropertyValue>& xMask,
184 : bool bInvertMask);
185 : virtual void drawAlphaMaskedImage(const ::com::sun::star::uno::Sequence<
186 : ::com::sun::star::beans::PropertyValue>& xImage,
187 : const ::com::sun::star::uno::Sequence<
188 : ::com::sun::star::beans::PropertyValue>& xMask);
189 :
190 : /// nElements == -1 means fill in number of pages
191 : void startIndicator( const OUString& rText, sal_Int32 nElements = -1 );
192 : void endIndicator();
193 :
194 : void setupImage(ImageId nImage);
195 :
196 : typedef boost::unordered_map<sal_Int32,FontAttributes> IdToFontMap;
197 : typedef boost::unordered_map<FontAttributes,sal_Int32,FontAttrHash> FontToIdMap;
198 :
199 : typedef boost::unordered_map<sal_Int32,GraphicsContext> IdToGCMap;
200 : typedef boost::unordered_map<GraphicsContext,sal_Int32,GraphicsContextHash> GCToIdMap;
201 :
202 : typedef std::vector<GraphicsContext> GraphicsContextStack;
203 :
204 : ::basegfx::B2DRange& calcTransformedRectBounds( ::basegfx::B2DRange& outRect,
205 : const ::basegfx::B2DRange& inRect,
206 : const ::basegfx::B2DHomMatrix& transformation );
207 : std::vector<CharGlyph> m_GlyphsList;
208 :
209 : boost::shared_ptr<ElementFactory> m_pElFactory;
210 : boost::shared_ptr<DocumentElement> m_pDocument;
211 : PageElement* m_pCurPage;
212 : Element* m_pCurElement;
213 : sal_Int32 m_nNextFontId;
214 : IdToFontMap m_aIdToFont;
215 : FontToIdMap m_aFontToId;
216 :
217 : GraphicsContextStack m_aGCStack;
218 : GraphicsContext m_prev_aGC;
219 : sal_Int32 m_nNextGCId;
220 : IdToGCMap m_aIdToGC;
221 : GCToIdMap m_aGCToId;
222 :
223 : ImageContainer m_aImages;
224 :
225 : DocumentTextDirecion m_eTextDirection;
226 :
227 : sal_Int32 m_nPages;
228 : sal_Int32 m_nNextZOrder;
229 : bool m_bIsWhiteSpaceInLine;
230 : com::sun::star::uno::Reference<
231 : com::sun::star::task::XStatusIndicator >
232 : m_xStatusIndicator;
233 :
234 : bool m_bHaveTextOnDocLevel;
235 : };
236 270 : class CharGlyph
237 : {
238 : public:
239 208 : CharGlyph(double fXPrevGlyphPosition, double fYPrevGlyphPosition, double fPrevGlyphHeight, double fPrevGlyphWidth,
240 : Element* pCurElement, const GraphicsContext& rCurrentContext, const com::sun::star::geometry::Matrix2D& rFontMatrix,
241 : const com::sun::star::geometry::RealRectangle2D& rRect, const OUString& rGlyphs )
242 : : m_fXPrevGlyphPosition(fXPrevGlyphPosition), m_fYPrevGlyphPosition(fYPrevGlyphPosition), m_fPrevGlyphHeight(fPrevGlyphHeight),
243 : m_fPrevGlyphWidth(fPrevGlyphWidth), m_pCurElement(pCurElement), m_rCurrentContext(rCurrentContext),
244 208 : m_rFontMatrix(rFontMatrix), m_rRect(rRect), m_rGlyphs(rGlyphs) {};
245 :
246 478 : virtual ~CharGlyph(){};
247 208 : OUString& getGlyph(){ return m_rGlyphs; }
248 230 : com::sun::star::geometry::RealRectangle2D& getRect(){ return m_rRect; }
249 22 : com::sun::star::geometry::Matrix2D& getFontMatrix(){ return m_rFontMatrix; }
250 318 : GraphicsContext& getGC(){ return m_rCurrentContext; }
251 22 : Element* getCurElement(){ return m_pCurElement; }
252 :
253 : double getYPrevGlyphPosition() const { return m_fYPrevGlyphPosition; }
254 : double getXPrevGlyphPosition() const { return m_fXPrevGlyphPosition; }
255 : double getPrevGlyphHeight() const { return m_fPrevGlyphHeight; }
256 : double getPrevGlyphWidth () const { return m_fPrevGlyphWidth; }
257 2102 : double getPrevGlyphsSpace() const
258 : {
259 2102 : if( (m_rRect.X1-m_fXPrevGlyphPosition)<0 )
260 494 : return 0;
261 : else
262 1608 : return m_rRect.X1-m_fXPrevGlyphPosition;
263 : }
264 :
265 : private:
266 :
267 : double m_fXPrevGlyphPosition ;
268 : double m_fYPrevGlyphPosition ;
269 : double m_fPrevGlyphHeight ;
270 : double m_fPrevGlyphWidth ;
271 : Element* m_pCurElement ;
272 : GraphicsContext m_rCurrentContext ;
273 : com::sun::star::geometry::Matrix2D m_rFontMatrix ;
274 : com::sun::star::geometry::RealRectangle2D m_rRect ;
275 : OUString m_rGlyphs ;
276 : };
277 : }
278 :
279 : #endif
280 :
281 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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