moved ../../pdf2swf/xpdf to .

[swftools.git] / lib / xpdf / Page.h

diff --git a/lib/xpdf/Page.h b/lib/xpdf/Page.h
new file mode 100644 (file)
index 0000000..36f96e1
--- /dev/null
+++ b/lib/xpdf/Page.h
@@ -0,0 +1,175 @@
+//========================================================================
+//
+// Page.h
+//
+// Copyright 1996-2003 Glyph & Cog, LLC
+//
+//========================================================================
+
+#ifndef PAGE_H
+#define PAGE_H
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma interface
+#endif
+
+#include "Object.h"
+
+class Dict;
+class XRef;
+class OutputDev;
+class Links;
+class Catalog;
+
+//------------------------------------------------------------------------
+
+class PDFRectangle {
+public:
+  double x1, y1, x2, y2;
+
+  PDFRectangle() { x1 = y1 = x2 = y2 = 0; }
+  PDFRectangle(double x1A, double y1A, double x2A, double y2A)
+    { x1 = x1A; y1 = y1A; x2 = x2A; y2 = y2A; }
+  GBool isValid() { return x1 != 0 || y1 != 0 || x2 != 0 || y2 != 0; }
+};
+
+//------------------------------------------------------------------------
+// PageAttrs
+//------------------------------------------------------------------------
+
+class PageAttrs {
+public:
+
+  // Construct a new PageAttrs object by merging a dictionary
+  // (of type Pages or Page) into another PageAttrs object.  If
+  // <attrs> is NULL, uses defaults.
+  PageAttrs(PageAttrs *attrs, Dict *dict);
+
+  // Destructor.
+  ~PageAttrs();
+
+  // Accessors.
+  PDFRectangle *getMediaBox() { return &mediaBox; }
+  PDFRectangle *getCropBox() { return &cropBox; }
+  GBool isCropped() { return haveCropBox; }
+  PDFRectangle *getBleedBox() { return &bleedBox; }
+  PDFRectangle *getTrimBox() { return &trimBox; }
+  PDFRectangle *getArtBox() { return &artBox; }
+  int getRotate() { return rotate; }
+  GString *getLastModified()
+    { return lastModified.isString()
+       ? lastModified.getString() : (GString *)NULL; }
+  Dict *getBoxColorInfo()
+    { return boxColorInfo.isDict() ? boxColorInfo.getDict() : (Dict *)NULL; }
+  Dict *getGroup()
+    { return group.isDict() ? group.getDict() : (Dict *)NULL; }
+  Stream *getMetadata()
+    { return metadata.isStream() ? metadata.getStream() : (Stream *)NULL; }
+  Dict *getPieceInfo()
+    { return pieceInfo.isDict() ? pieceInfo.getDict() : (Dict *)NULL; }
+  Dict *getSeparationInfo()
+    { return separationInfo.isDict()
+       ? separationInfo.getDict() : (Dict *)NULL; }
+  Dict *getResourceDict()
+    { return resources.isDict() ? resources.getDict() : (Dict *)NULL; }
+
+private:
+
+  GBool readBox(Dict *dict, char *key, PDFRectangle *box);
+
+  PDFRectangle mediaBox;
+  PDFRectangle cropBox;
+  GBool haveCropBox;
+  PDFRectangle bleedBox;
+  PDFRectangle trimBox;
+  PDFRectangle artBox;
+  int rotate;
+  Object lastModified;
+  Object boxColorInfo;
+  Object group;
+  Object metadata;
+  Object pieceInfo;
+  Object separationInfo;
+  Object resources;
+};
+
+//------------------------------------------------------------------------
+// Page
+//------------------------------------------------------------------------
+
+class Page {
+public:
+
+  // Constructor.
+  Page(XRef *xrefA, int numA, Dict *pageDict, PageAttrs *attrsA);
+
+  // Destructor.
+  ~Page();
+
+  // Is page valid?
+  GBool isOk() { return ok; }
+
+  // Get page parameters.
+  PDFRectangle *getMediaBox() { return attrs->getMediaBox(); }
+  PDFRectangle *getCropBox() { return attrs->getCropBox(); }
+  GBool isCropped() { return attrs->isCropped(); }
+  double getMediaWidth() 
+    { return attrs->getMediaBox()->x2 - attrs->getMediaBox()->x1; }
+  double getMediaHeight()
+    { return attrs->getMediaBox()->y2 - attrs->getMediaBox()->y1; }
+  double getCropWidth() 
+    { return attrs->getCropBox()->x2 - attrs->getCropBox()->x1; }
+  double getCropHeight()
+    { return attrs->getCropBox()->y2 - attrs->getCropBox()->y1; }
+  PDFRectangle *getBleedBox() { return attrs->getBleedBox(); }
+  PDFRectangle *getTrimBox() { return attrs->getTrimBox(); }
+  PDFRectangle *getArtBox() { return attrs->getArtBox(); }
+  int getRotate() { return attrs->getRotate(); }
+  GString *getLastModified() { return attrs->getLastModified(); }
+  Dict *getBoxColorInfo() { return attrs->getBoxColorInfo(); }
+  Dict *getGroup() { return attrs->getGroup(); }
+  Stream *getMetadata() { return attrs->getMetadata(); }
+  Dict *getPieceInfo() { return attrs->getPieceInfo(); }
+  Dict *getSeparationInfo() { return attrs->getSeparationInfo(); }
+
+  // Get resource dictionary.
+  Dict *getResourceDict() { return attrs->getResourceDict(); }
+
+  // Get annotations array.
+  Object *getAnnots(Object *obj) { return annots.fetch(xref, obj); }
+
+  // Get contents.
+  Object *getContents(Object *obj) { return contents.fetch(xref, obj); }
+
+  // Display a page.
+  void display(OutputDev *out, double hDPI, double vDPI,
+              int rotate, GBool useMediaBox, GBool crop,
+              Links *links, Catalog *catalog,
+              GBool (*abortCheckCbk)(void *data) = NULL,
+              void *abortCheckCbkData = NULL);
+
+  // Display part of a page.
+  void displaySlice(OutputDev *out, double hDPI, double vDPI,
+                   int rotate, GBool useMediaBox, GBool crop,
+                   int sliceX, int sliceY, int sliceW, int sliceH,
+                   Links *links, Catalog *catalog,
+                   GBool (*abortCheckCbk)(void *data) = NULL,
+                   void *abortCheckCbkData = NULL);
+
+  // Get the page's default CTM.
+  void getDefaultCTM(double *ctm, double hDPI, double vDPI,
+                    int rotate, GBool upsideDown);
+
+private:
+
+  XRef *xref;                  // the xref table for this PDF file
+  int num;                     // page number
+  PageAttrs *attrs;            // page attributes
+  Object annots;               // annotations array
+  Object contents;             // page contents
+  GBool ok;                    // true if page is valid
+};
+
+#endif