Add «nb» to ALL_LINGUAS too.

[evince.git] / pdf / xpdf / Stream.h

diff --git a/pdf/xpdf/Stream.h b/pdf/xpdf/Stream.h
index b0a0c26c3f44adca6c5dea7972e7434dc365f6fc..0b70afa45c3d4e42a7c58ad3330b3534ae2302b8 100644 (file)
--- a/pdf/xpdf/Stream.h
+++ b/pdf/xpdf/Stream.h
@@ -2,7 +2,7 @@
 //
 // Stream.h
 //
-// Copyright 1996-2002 Glyph & Cog, LLC
+// Copyright 1996-2003 Glyph & Cog, LLC
 //
 //========================================================================
 
@@ -36,6 +36,7 @@ enum StreamKind {
   strDCT,
   strFlate,
   strJBIG2,
+  strJPX,
   strWeird                     // internal-use stream types
 };
 
@@ -87,12 +88,12 @@ public:
   virtual void setPos(Guint pos, int dir = 0) = 0;
 
   // Get PostScript command for the filter(s).
-  virtual GString *getPSFilter(char *indent);
+  virtual GString *getPSFilter(int psLevel, char *indent);
 
   // Does this stream type potentially contain non-printable chars?
   virtual GBool isBinary(GBool last = gTrue) = 0;
 
-  // Get the BaseStream or EmbedStream of this stream.
+  // Get the BaseStream of this stream.
   virtual BaseStream *getBaseStream() = 0;
 
   // Get the dictionary associated with this stream.
@@ -105,6 +106,11 @@ public:
   // Returns the new stream.
   Stream *addFilters(Object *dict);
 
+  // Tell this stream to ignore any length limitation -- this only
+  // applies to BaseStream subclasses, and is used as a hack to work
+  // around broken PDF files with incorrect stream lengths.
+  virtual void ignoreLength() {}
+
 private:
 
   Stream *makeFilter(char *name, Stream *str, Object *params);
@@ -126,6 +132,7 @@ public:
   virtual Stream *makeSubStream(Guint start, GBool limited,
                                Guint length, Object *dict) = 0;
   virtual void setPos(Guint pos, int dir = 0) = 0;
+  virtual GBool isBinary(GBool last = gTrue) { return last; }
   virtual BaseStream *getBaseStream() { return this; }
   virtual Dict *getDict() { return dict.getDict(); }
 
@@ -166,6 +173,7 @@ public:
   virtual void setPos(Guint pos, int dir = 0);
   virtual BaseStream *getBaseStream() { return str->getBaseStream(); }
   virtual Dict *getDict() { return str->getDict(); }
+  virtual void ignoreLength() { str->ignoreLength(); }
 
 protected:
 
@@ -267,7 +275,7 @@ public:
     { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr & 0xff); }
   virtual int getPos() { return bufPos + (bufPtr - buf); }
   virtual void setPos(Guint pos, int dir = 0);
-  virtual GBool isBinary(GBool last = gTrue) { return last; }
+  virtual void ignoreLength() { limited = gFalse; }
   virtual Guint getStart() { return start; }
   virtual void moveStart(int delta);
 
@@ -294,7 +302,7 @@ private:
 class MemStream: public BaseStream {
 public:
 
-  MemStream(char *bufA, Guint lengthA, Object *dictA);
+  MemStream(char *bufA, Guint startA, Guint lengthA, Object *dictA);
   virtual ~MemStream();
   virtual Stream *makeSubStream(Guint start, GBool limited,
                                Guint lengthA, Object *dictA);
@@ -305,10 +313,9 @@ public:
     { return (bufPtr < bufEnd) ? (*bufPtr++ & 0xff) : EOF; }
   virtual int lookChar()
     { return (bufPtr < bufEnd) ? (*bufPtr & 0xff) : EOF; }
-  virtual int getPos() { return bufPtr - buf; }
+  virtual int getPos() { return (int)(bufPtr - buf); }
   virtual void setPos(Guint pos, int dir = 0);
-  virtual GBool isBinary(GBool last = gTrue) { return last; }
-  virtual Guint getStart() { return 0; }
+  virtual Guint getStart() { return start; }
   virtual void moveStart(int delta);
 #ifndef NO_DECRYPTION
   virtual void doDecryption(Guchar *fileKey, int keyLength,
@@ -318,10 +325,11 @@ public:
 private:
 
   char *buf;
+  Guint start;
   Guint length;
-  GBool needFree;
   char *bufEnd;
   char *bufPtr;
+  GBool needFree;
 };
 
 //------------------------------------------------------------------------
@@ -337,23 +345,24 @@ private:
 class EmbedStream: public BaseStream {
 public:
 
-  EmbedStream(Stream *strA, Object *dictA);
+  EmbedStream(Stream *strA, Object *dictA, GBool limitedA, Guint lengthA);
   virtual ~EmbedStream();
-  virtual Stream *makeSubStream(Guint start, GBool limited,
-                               Guint length, Object *dictA);
+  virtual Stream *makeSubStream(Guint start, GBool limitedA,
+                               Guint lengthA, Object *dictA);
   virtual StreamKind getKind() { return str->getKind(); }
   virtual void reset() {}
-  virtual int getChar() { return str->getChar(); }
-  virtual int lookChar() { return str->lookChar(); }
+  virtual int getChar();
+  virtual int lookChar();
   virtual int getPos() { return str->getPos(); }
   virtual void setPos(Guint pos, int dir = 0);
-  virtual GBool isBinary(GBool last = gTrue) { return last; }
   virtual Guint getStart();
   virtual void moveStart(int delta);
 
 private:
 
   Stream *str;
+  GBool limited;
+  Guint length;
 };
 
 //------------------------------------------------------------------------
@@ -370,7 +379,7 @@ public:
   virtual int getChar()
     { int c = lookChar(); buf = EOF; return c; }
   virtual int lookChar();
-  virtual GString *getPSFilter(char *indent);
+  virtual GString *getPSFilter(int psLevel, char *indent);
   virtual GBool isBinary(GBool last = gTrue);
 
 private:
@@ -393,7 +402,7 @@ public:
   virtual int getChar()
     { int ch = lookChar(); ++index; return ch; }
   virtual int lookChar();
-  virtual GString *getPSFilter(char *indent);
+  virtual GString *getPSFilter(int psLevel, char *indent);
   virtual GBool isBinary(GBool last = gTrue);
 
 private:
@@ -419,7 +428,7 @@ public:
   virtual int getChar();
   virtual int lookChar();
   virtual int getRawChar();
-  virtual GString *getPSFilter(char *indent);
+  virtual GString *getPSFilter(int psLevel, char *indent);
   virtual GBool isBinary(GBool last = gTrue);
 
 private:
@@ -463,7 +472,7 @@ public:
     { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr++ & 0xff); }
   virtual int lookChar()
     { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr & 0xff); }
-  virtual GString *getPSFilter(char *indent);
+  virtual GString *getPSFilter(int psLevel, char *indent);
   virtual GBool isBinary(GBool last = gTrue);
 
 private:
@@ -494,7 +503,7 @@ public:
   virtual int getChar()
     { int c = lookChar(); buf = EOF; return c; }
   virtual int lookChar();
-  virtual GString *getPSFilter(char *indent);
+  virtual GString *getPSFilter(int psLevel, char *indent);
   virtual GBool isBinary(GBool last = gTrue);
 
 private:
@@ -564,7 +573,7 @@ public:
   virtual void reset();
   virtual int getChar();
   virtual int lookChar();
-  virtual GString *getPSFilter(char *indent);
+  virtual GString *getPSFilter(int psLevel, char *indent);
   virtual GBool isBinary(GBool last = gTrue);
   Stream *getRawStream() { return str; }
 
@@ -579,6 +588,7 @@ private:
   DCTScanInfo scanInfo;                // info for the current scan
   int numComps;                        // number of components in image
   int colorXform;              // need YCbCr-to-RGB transform?
+  GBool gotJFIFMarker;         // set if APP0 JFIF marker was present
   GBool gotAdobeMarker;                // set if APP14 Adobe marker was present
   int restartInterval;         // restart interval, in MCUs
   Guchar quantTables[4][64];   // quantization tables
@@ -618,6 +628,7 @@ private:
   GBool readQuantTables();
   GBool readHuffmanTables();
   GBool readRestartInterval();
+  GBool readJFIFMarker();
   GBool readAdobeMarker();
   GBool readTrailer();
   int readMarker();
@@ -663,7 +674,7 @@ public:
   virtual int getChar();
   virtual int lookChar();
   virtual int getRawChar();
-  virtual GString *getPSFilter(char *indent);
+  virtual GString *getPSFilter(int psLevel, char *indent);
   virtual GBool isBinary(GBool last = gTrue);
 
 private:
@@ -712,7 +723,7 @@ public:
   virtual void reset() {}
   virtual int getChar() { return EOF; }
   virtual int lookChar() { return EOF; }
-  virtual GString *getPSFilter(char *indent)  { return NULL; }
+  virtual GString *getPSFilter(int psLevel, char *indent)  { return NULL; }
   virtual GBool isBinary(GBool last = gTrue) { return gFalse; }
 };
 
@@ -727,11 +738,10 @@ public:
   ~FixedLengthEncoder();
   virtual StreamKind getKind() { return strWeird; }
   virtual void reset();
-  virtual void close();
   virtual int getChar();
   virtual int lookChar();
-  virtual GString *getPSFilter(char *indent) { return NULL; }
-  virtual GBool isBinary(GBool last = gTrue) { return gFalse; }
+  virtual GString *getPSFilter(int psLevel, char *indent) { return NULL; }
+  virtual GBool isBinary(GBool last = gTrue);
   virtual GBool isEncoder() { return gTrue; }
 
 private:
@@ -751,12 +761,11 @@ public:
   virtual ~ASCIIHexEncoder();
   virtual StreamKind getKind() { return strWeird; }
   virtual void reset();
-  virtual void close();
   virtual int getChar()
     { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr++ & 0xff); }
   virtual int lookChar()
     { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr & 0xff); }
-  virtual GString *getPSFilter(char *indent) { return NULL; }
+  virtual GString *getPSFilter(int psLevel, char *indent) { return NULL; }
   virtual GBool isBinary(GBool last = gTrue) { return gFalse; }
   virtual GBool isEncoder() { return gTrue; }
 
@@ -782,12 +791,11 @@ public:
   virtual ~ASCII85Encoder();
   virtual StreamKind getKind() { return strWeird; }
   virtual void reset();
-  virtual void close();
   virtual int getChar()
     { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr++ & 0xff); }
   virtual int lookChar()
     { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr & 0xff); }
-  virtual GString *getPSFilter(char *indent) { return NULL; }
+  virtual GString *getPSFilter(int psLevel, char *indent) { return NULL; }
   virtual GBool isBinary(GBool last = gTrue) { return gFalse; }
   virtual GBool isEncoder() { return gTrue; }
 
@@ -813,13 +821,12 @@ public:
   virtual ~RunLengthEncoder();
   virtual StreamKind getKind() { return strWeird; }
   virtual void reset();
-  virtual void close();
   virtual int getChar()
     { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr++ & 0xff); }
   virtual int lookChar()
     { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr & 0xff); }
-  virtual GString *getPSFilter(char *indent) { return NULL; }
-  virtual GBool isBinary(GBool last = gTrue) { return gFalse; }
+  virtual GString *getPSFilter(int psLevel, char *indent) { return NULL; }
+  virtual GBool isBinary(GBool last = gTrue) { return gTrue; }
   virtual GBool isEncoder() { return gTrue; }
 
 private: