Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 205 insertions, 0 deletions

diff --git a/kviewshell/plugins/djvu/libdjvu/DjVuInfo.cpp b/kviewshell/plugins/djvu/libdjvu/DjVuInfo.cpp
new file mode 100644
index 00000000..13ae6480
--- /dev/null
+++ b/kviewshell/plugins/djvu/libdjvu/DjVuInfo.cpp
@@ -0,0 +1,205 @@
+//C-  -*- C++ -*-
+//C- -------------------------------------------------------------------
+//C- DjVuLibre-3.5
+//C- Copyright (c) 2002  Leon Bottou and Yann Le Cun.
+//C- Copyright (c) 2001  AT&T
+//C-
+//C- This software is subject to, and may be distributed under, the
+//C- GNU General Public License, Version 2. The license should have
+//C- accompanied the software or you may obtain a copy of the license
+//C- from the Free Software Foundation at http://www.fsf.org .
+//C-
+//C- This program is distributed in the hope that it will be useful,
+//C- but WITHOUT ANY WARRANTY; without even the implied warranty of
+//C- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//C- GNU General Public License for more details.
+//C- 
+//C- DjVuLibre-3.5 is derived from the DjVu(r) Reference Library
+//C- distributed by Lizardtech Software.  On July 19th 2002, Lizardtech 
+//C- Software authorized us to replace the original DjVu(r) Reference 
+//C- Library notice by the following text (see doc/lizard2002.djvu):
+//C-
+//C-  ------------------------------------------------------------------
+//C- | DjVu (r) Reference Library (v. 3.5)
+//C- | Copyright (c) 1999-2001 LizardTech, Inc. All Rights Reserved.
+//C- | The DjVu Reference Library is protected by U.S. Pat. No.
+//C- | 6,058,214 and patents pending.
+//C- |
+//C- | This software is subject to, and may be distributed under, the
+//C- | GNU General Public License, Version 2. The license should have
+//C- | accompanied the software or you may obtain a copy of the license
+//C- | from the Free Software Foundation at http://www.fsf.org .
+//C- |
+//C- | The computer code originally released by LizardTech under this
+//C- | license and unmodified by other parties is deemed "the LIZARDTECH
+//C- | ORIGINAL CODE."  Subject to any third party intellectual property
+//C- | claims, LizardTech grants recipient a worldwide, royalty-free, 
+//C- | non-exclusive license to make, use, sell, or otherwise dispose of 
+//C- | the LIZARDTECH ORIGINAL CODE or of programs derived from the 
+//C- | LIZARDTECH ORIGINAL CODE in compliance with the terms of the GNU 
+//C- | General Public License.   This grant only confers the right to 
+//C- | infringe patent claims underlying the LIZARDTECH ORIGINAL CODE to 
+//C- | the extent such infringement is reasonably necessary to enable 
+//C- | recipient to make, have made, practice, sell, or otherwise dispose 
+//C- | of the LIZARDTECH ORIGINAL CODE (or portions thereof) and not to 
+//C- | any greater extent that may be necessary to utilize further 
+//C- | modifications or combinations.
+//C- |
+//C- | The LIZARDTECH ORIGINAL CODE is provided "AS IS" WITHOUT WARRANTY
+//C- | OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+//C- | TO ANY WARRANTY OF NON-INFRINGEMENT, OR ANY IMPLIED WARRANTY OF
+//C- | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+//C- +------------------------------------------------------------------
+// 
+// $Id: DjVuInfo.cpp,v 1.9 2003/11/07 22:08:21 leonb Exp $
+// $Name: release_3_5_15 $
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#if NEED_GNUG_PRAGMAS
+# pragma implementation
+#endif
+
+#include "DjVuInfo.h"
+#include "GException.h"
+#include "ByteStream.h"
+#include "GString.h"
+
+
+#ifdef HAVE_NAMESPACES
+namespace DJVU {
+# ifdef NOT_DEFINED // Just to fool emacs c++ mode
+}
+#endif
+#endif
+
+// ----------------------------------------
+// CLASS DJVUINFO
+
+
+#define STRINGIFY(x) STRINGIFY_(x)
+#define STRINGIFY_(x) #x
+
+
+DjVuInfo::DjVuInfo()
+  : width(0), height(0), 
+#ifdef DJVUVERSION_FOR_OUTPUT
+    version(DJVUVERSION_FOR_OUTPUT),
+#else
+    version(DJVUVERSION),
+#endif
+    dpi(300), gamma(2.2), compressable(false), orientation(GRect::BULRNR)
+{
+}
+
+void 
+DjVuInfo::decode(ByteStream &bs)
+{
+  // Set to default values
+  width = 0;
+  height = 0;
+  version = DJVUVERSION;
+  dpi = 300;
+  gamma = 2.2;
+  compressable=false;
+  orientation=GRect::BULRNR;
+  // Read data
+  unsigned char buffer[10];
+  int  size = bs.readall((void*)buffer, sizeof(buffer));
+  if (size == 0)
+    G_THROW( ByteStream::EndOfFile );
+  if (size < 5)
+    G_THROW( ERR_MSG("DjVuInfo.corrupt_file") );
+  // Analyze data with backward compatibility in mind!
+  if (size>=2)
+    width = (buffer[0]<<8) + buffer[1];
+  if (size>=4)
+    height = (buffer[2]<<8) + buffer[3];
+  if (size>=5)
+    version = buffer[4];
+  if (size>=6 && buffer[5]!=0xff)
+    version = (buffer[5]<<8) + buffer[4];
+  if (size>=8 && buffer[7]!=0xff)
+    dpi = (buffer[7]<<8) + buffer[6];
+  if (size>=9)
+    gamma = 0.1 * buffer[8];
+  int flags=0;
+  if (size>=10)
+    flags = buffer[9];
+  // Fixup
+  if (gamma<0.3)
+     gamma=0.3;
+  if (gamma>5.0)
+     gamma=5.0;
+  if (dpi < 25 || dpi > 6000)
+    dpi = 300;
+  if(flags&COMPRESSABLE_FLAG)
+    compressable=true;
+  if(version>=DJVUVERSION_ORIENTATION)
+  {
+    orientation=(GRect::Orientations)(flags&((int)GRect::BOTTOM_UP|(int)GRect::MIRROR|(int)GRect::ROTATE90_CW));
+  }
+}
+
+void 
+DjVuInfo::encode(ByteStream &bs)
+{
+  bs.write16(width);
+  bs.write16(height);
+  bs.write8(version & 0xff);
+  bs.write8(version >> 8);
+  bs.write8(dpi & 0xff);
+  bs.write8(dpi >> 8);
+  bs.write8((int)(10.0*gamma+0.5) );
+  unsigned char flags=orientation;
+  if(compressable) 
+  {
+    flags|=COMPRESSABLE_FLAG;
+  }
+  bs.write8(flags);
+}
+
+unsigned int 
+DjVuInfo::get_memory_usage() const
+{
+  return sizeof(DjVuInfo);
+}
+
+GUTF8String
+DjVuInfo::get_paramtags(void) const
+{
+  const int angle=GRect::findangle(orientation);
+  GUTF8String retval;
+  if(angle)
+  {
+    retval+="<PARAM name=\"ROTATE\" value=\""+GUTF8String(angle)+"\" />\n";
+  }
+  if(orientation == GRect::rotate(angle,GRect::TDLRNR))
+  {
+    retval+="<PARAM name=\"VFLIP\" value=\"true\" />\n";
+  }
+  if(dpi)
+  {
+    retval+="<PARAM name=\"DPI\" value=\""+GUTF8String(dpi)+"\" />\n";
+  }
+  if(gamma)
+  {
+    retval+="<PARAM name=\"GAMMA\" value=\""+GUTF8String(gamma)+"\" />\n";
+  }
+  return retval;
+}
+
+void
+DjVuInfo::writeParam(ByteStream &str_out) const
+{
+  str_out.writestring(get_paramtags());
+}
+
+
+#ifdef HAVE_NAMESPACES
+}
+# ifndef NOT_USING_DJVU_NAMESPACE
+using namespace DJVU;
+# endif
+#endif