1 //========================================================================
5 // Copyright 1996-2003 Glyph & Cog, LLC
7 //========================================================================
14 #ifdef USE_GCC_PRAGMAS
26 //------------------------------------------------------------------------
30 double x1, y1, x2, y2;
32 PDFRectangle() { x1 = y1 = x2 = y2 = 0; }
33 PDFRectangle(double x1A, double y1A, double x2A, double y2A)
34 { x1 = x1A; y1 = y1A; x2 = x2A; y2 = y2A; }
35 GBool isValid() { return x1 != 0 || y1 != 0 || x2 != 0 || y2 != 0; }
38 //------------------------------------------------------------------------
40 //------------------------------------------------------------------------
45 // Construct a new PageAttrs object by merging a dictionary
46 // (of type Pages or Page) into another PageAttrs object. If
47 // <attrs> is NULL, uses defaults.
48 PageAttrs(PageAttrs *attrs, Dict *dict);
54 PDFRectangle *getMediaBox() { return &mediaBox; }
55 PDFRectangle *getCropBox() { return &cropBox; }
56 GBool isCropped() { return haveCropBox; }
57 PDFRectangle *getBleedBox() { return &bleedBox; }
58 PDFRectangle *getTrimBox() { return &trimBox; }
59 PDFRectangle *getArtBox() { return &artBox; }
60 int getRotate() { return rotate; }
61 GString *getLastModified()
62 { return lastModified.isString()
63 ? lastModified.getString() : (GString *)NULL; }
64 Dict *getBoxColorInfo()
65 { return boxColorInfo.isDict() ? boxColorInfo.getDict() : (Dict *)NULL; }
67 { return group.isDict() ? group.getDict() : (Dict *)NULL; }
69 { return metadata.isStream() ? metadata.getStream() : (Stream *)NULL; }
71 { return pieceInfo.isDict() ? pieceInfo.getDict() : (Dict *)NULL; }
72 Dict *getSeparationInfo()
73 { return separationInfo.isDict()
74 ? separationInfo.getDict() : (Dict *)NULL; }
75 Dict *getResourceDict()
76 { return resources.isDict() ? resources.getDict() : (Dict *)NULL; }
80 GBool readBox(Dict *dict, char *key, PDFRectangle *box);
82 PDFRectangle mediaBox;
85 PDFRectangle bleedBox;
94 Object separationInfo;
98 //------------------------------------------------------------------------
100 //------------------------------------------------------------------------
106 Page(XRef *xrefA, int numA, Dict *pageDict, PageAttrs *attrsA);
112 GBool isOk() { return ok; }
114 // Get page parameters.
115 PDFRectangle *getMediaBox() { return attrs->getMediaBox(); }
116 PDFRectangle *getCropBox() { return attrs->getCropBox(); }
117 GBool isCropped() { return attrs->isCropped(); }
118 double getMediaWidth()
119 { return attrs->getMediaBox()->x2 - attrs->getMediaBox()->x1; }
120 double getMediaHeight()
121 { return attrs->getMediaBox()->y2 - attrs->getMediaBox()->y1; }
122 double getCropWidth()
123 { return attrs->getCropBox()->x2 - attrs->getCropBox()->x1; }
124 double getCropHeight()
125 { return attrs->getCropBox()->y2 - attrs->getCropBox()->y1; }
126 PDFRectangle *getBleedBox() { return attrs->getBleedBox(); }
127 PDFRectangle *getTrimBox() { return attrs->getTrimBox(); }
128 PDFRectangle *getArtBox() { return attrs->getArtBox(); }
129 int getRotate() { return attrs->getRotate(); }
130 GString *getLastModified() { return attrs->getLastModified(); }
131 Dict *getBoxColorInfo() { return attrs->getBoxColorInfo(); }
132 Dict *getGroup() { return attrs->getGroup(); }
133 Stream *getMetadata() { return attrs->getMetadata(); }
134 Dict *getPieceInfo() { return attrs->getPieceInfo(); }
135 Dict *getSeparationInfo() { return attrs->getSeparationInfo(); }
137 // Get resource dictionary.
138 Dict *getResourceDict() { return attrs->getResourceDict(); }
140 // Get annotations array.
141 Object *getAnnots(Object *obj) { return annots.fetch(xref, obj); }
144 Object *getContents(Object *obj) { return contents.fetch(xref, obj); }
147 void display(OutputDev *out, double hDPI, double vDPI,
148 int rotate, GBool useMediaBox, GBool crop,
149 Links *links, Catalog *catalog,
150 GBool (*abortCheckCbk)(void *data) = NULL,
151 void *abortCheckCbkData = NULL);
153 // Display part of a page.
154 void displaySlice(OutputDev *out, double hDPI, double vDPI,
155 int rotate, GBool useMediaBox, GBool crop,
156 int sliceX, int sliceY, int sliceW, int sliceH,
157 Links *links, Catalog *catalog,
158 GBool (*abortCheckCbk)(void *data) = NULL,
159 void *abortCheckCbkData = NULL);
161 // Get the page's default CTM.
162 void getDefaultCTM(double *ctm, double hDPI, double vDPI,
163 int rotate, GBool upsideDown);
167 XRef *xref; // the xref table for this PDF file
168 int num; // page number
169 PageAttrs *attrs; // page attributes
170 Object annots; // annotations array
171 Object contents; // page contents
172 GBool ok; // true if page is valid