upgrade to xpdf 3.00.

[swftools.git] / pdf2swf / xpdf / Gfx.h

diff --git a/pdf2swf/xpdf/Gfx.h b/pdf2swf/xpdf/Gfx.h
index 34d8f99..2e40a57 100644 (file)
--- a/pdf2swf/xpdf/Gfx.h
+++ b/pdf2swf/xpdf/Gfx.h
@@ -2,20 +2,23 @@
 //
 // Gfx.h
 //
-// Copyright 1996 Derek B. Noonburg
+// Copyright 1996-2003 Glyph & Cog, LLC
 //
 //========================================================================
 
 #ifndef GFX_H
 #define GFX_H
 
-#ifdef __GNUC__
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
 #pragma interface
 #endif
 
 #include "gtypes.h"
 
 class GString;
+class XRef;
 class Array;
 class Stream;
 class Parser;
@@ -23,10 +26,17 @@ class Dict;
 class OutputDev;
 class GfxFontDict;
 class GfxFont;
-struct GfxFontEncoding16;
 class GfxPattern;
+class GfxTilingPattern;
+class GfxShadingPattern;
+class GfxShading;
+class GfxFunctionShading;
+class GfxAxialShading;
+class GfxRadialShading;
 class GfxState;
+struct GfxColor;
 class Gfx;
+class PDFRectangle;
 
 //------------------------------------------------------------------------
 // Gfx
@@ -62,7 +72,7 @@ struct Operator {
 class GfxResources {
 public:
 
-  GfxResources(Dict *resDict, GfxResources *next);
+  GfxResources(XRef *xref, Dict *resDict, GfxResources *nextA);
   ~GfxResources();
 
   GfxFont *lookupFont(char *name);
@@ -70,6 +80,7 @@ public:
   GBool lookupXObjectNF(char *name, Object *obj);
   void lookupColorSpace(char *name, Object *obj);
   GfxPattern *lookupPattern(char *name);
+  GfxShading *lookupShading(char *name);
   GBool lookupGState(char *name, Object *obj);
 
   GfxResources *getNext() { return next; }
@@ -80,6 +91,7 @@ private:
   Object xObjDict;
   Object colorSpaceDict;
   Object patternDict;
+  Object shadingDict;
   Object gStateDict;
   GfxResources *next;
 };
@@ -88,24 +100,42 @@ class Gfx {
 public:
 
   // Constructor for regular output.
-  Gfx(OutputDev *out1, int pageNum, Dict *resDict,
-      double dpi, double x1, double y1, double x2, double y2, GBool crop,
-      double cropX1, double cropY1, double cropX2, double cropY2,
-      int rotate);
+  Gfx(XRef *xrefA, OutputDev *outA, int pageNum, Dict *resDict,
+      double hDPI, double vDPI, PDFRectangle *box, GBool crop,
+      PDFRectangle *cropBox, int rotate,
+      GBool (*abortCheckCbkA)(void *data) = NULL,
+      void *abortCheckCbkDataA = NULL);
+
+  // Constructor for a sub-page object.
+  Gfx(XRef *xrefA, OutputDev *outA, Dict *resDict,
+      PDFRectangle *box, GBool crop, PDFRectangle *cropBox,
+      GBool (*abortCheckCbkA)(void *data) = NULL,
+      void *abortCheckCbkDataA = NULL);
 
-  // Destructor.
   ~Gfx();
 
   // Interpret a stream or array of streams.
   void display(Object *obj, GBool topLevel = gTrue);
 
-  void doWidgetForm(Object *str, double xMin, double yMin,
-                   double xMax, double yMax);
+  // Display an annotation, given its appearance (a Form XObject) and
+  // bounding box (in default user space).
+  void doAnnot(Object *str, double xMin, double yMin,
+              double xMax, double yMax);
+
+  // Save graphics state.
+  void saveState();
+
+  // Restore graphics state.
+  void restoreState();
 
 private:
 
+  XRef *xref;                  // the xref table for this PDF file
   OutputDev *out;              // output device
+  GBool subPage;               // is this a sub-page object?
+  GBool printCommands;         // print the drawing commands (for debugging)
   GfxResources *res;           // resource stack
+  int updateLevel;
 
   GfxState *state;             // current graphics state
   GBool fontChanged;           // set if font or text matrix has changed
@@ -113,9 +143,14 @@ private:
   int ignoreUndef;             // current BX/EX nesting level
   double baseMatrix[6];                // default matrix for most recent
                                //   page/form/pattern
+  int formDepth;
 
   Parser *parser;              // parser for page content stream(s)
 
+  GBool                                // callback to check for an abort
+    (*abortCheckCbk)(void *data);
+  void *abortCheckCbkData;
+
   static Operator opTab[];     // table of operators
 
   void go(GBool topLevel);
@@ -170,8 +205,17 @@ private:
   void opCloseFillStroke(Object args[], int numArgs);
   void opEOFillStroke(Object args[], int numArgs);
   void opCloseEOFillStroke(Object args[], int numArgs);
-  void opShFill(Object args[], int numArgs);
   void doPatternFill(GBool eoFill);
+  void doTilingPatternFill(GfxTilingPattern *tPat, GBool eoFill);
+  void doShadingPatternFill(GfxShadingPattern *sPat, GBool eoFill);
+  void opShFill(Object args[], int numArgs);
+  void doFunctionShFill(GfxFunctionShading *shading);
+  void doFunctionShFill1(GfxFunctionShading *shading,
+                        double x0, double y0,
+                        double x1, double y1,
+                        GfxColor *colors, int depth);
+  void doAxialShFill(GfxAxialShading *shading);
+  void doRadialShFill(GfxRadialShading *shading);
   void doEndPath();
 
   // path clipping operators
@@ -203,7 +247,6 @@ private:
   void opMoveSetShowText(Object args[], int numArgs);
   void opShowSpaceText(Object args[], int numArgs);
   void doShowText(GString *s);
-  int getNextChar16(GfxFontEncoding16 *enc, Guchar *p, int *c16);
 
   // XObject operators
   void opXObject(Object args[], int numArgs);
@@ -229,6 +272,9 @@ private:
   void opBeginMarkedContent(Object args[], int numArgs);
   void opEndMarkedContent(Object args[], int numArgs);
   void opMarkPoint(Object args[], int numArgs);
+
+  void pushResources(Dict *resDict);
+  void popResources();
 };
 
 #endif