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/*
**************************************************************************
description
--------------------
copyright : (C) 2001-2002 by Andreas Zehender
email : zehender@kde.org
**************************************************************************
**************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
**************************************************************************/
#ifndef PMPOVRAYRENDERWIDGET_H
#define PMPOVRAYRENDERWIDGET_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <tqwidget.h>
#include <tqcstring.h>
#include <tqimage.h>
#include <tqbuffer.h>
#include <tqstringlist.h>
#include "pmrendermode.h"
#include "pmdragwidget.h"
class KProcess;
class KConfig;
class KURL;
class KTempFile;
/**
* Widget that calls povray to render a scene and
* displays the output.
*/
class PMPovrayRenderWidget : public PMDragWidget
{
Q_OBJECT
TQ_OBJECT
public:
/**
* Standard constructor
*/
PMPovrayRenderWidget( TQWidget* tqparent = 0, const char* name = 0 );
/**
* destructor
*/
virtual ~PMPovrayRenderWidget( );
/**
* Starts rendering for the povray code in the byte array with
* render mode m.
* @see PMRenderMode
*/
bool render( const TQByteArray& scene, const PMRenderMode& m,
const KURL& documentURL );
/**
* Returns the povray text output
*/
TQString povrayOutput( ) const { return m_povrayOutput; }
/**
* Returns the rendered image
*/
TQImage image( ) const { return m_image; }
static void saveConfig( KConfig* cfg );
static void restoreConfig( KConfig* cfg );
/**
* Returns the povray command
*/
static TQString povrayCommand( ) { return s_povrayCommand; }
/**
* Sets the povray command
*/
static void setPovrayCommand( const TQString& c ) { s_povrayCommand = c; }
/**
* Returns the library paths
*/
static TQStringList povrayLibraryPaths( ) { return s_libraryPaths; }
/**
* Sets the library paths
*/
static void setPovrayLibraryPaths( const TQStringList& slist )
{ s_libraryPaths = slist; }
virtual TQSize tqsizeHint( ) const;
virtual void startDrag( );
signals:
/**
* Emitted when rendering has finished
*/
void finished( int exitStatus );
/**
* Provides progress information
*/
void progress( int percent );
/**
* Provides progress imformation
*/
void lineFinished( int line );
/**
* The povray output text
*/
void povrayMessage( const TQString& msg );
public slots:
/**
* Kills rendering
*/
void killRendering( );
/**
* Suspends rendering
*/
void suspendRendering( );
/**
* Resumes rendering
*/
void resumeRendering( );
protected slots:
/**
* Receive povray messages
*/
void slotPovrayMessage( KProcess* proc, char* buffer, int buflen );
/**
* Receive rendered image
*/
void slotPovrayImage( KProcess* proc, char* buffer, int buflen );
/**
* Called when output has been written to the povray process
*/
//void slotWroteStdin( KProcess* proc );
/**
* Called when the process has finished
*/
void slotRenderingFinished( KProcess* proc );
protected:
virtual void paintEvent( TQPaintEvent* );
private:
void setPixel( int x, int y, uint c );
void cleanup( );
KProcess* m_pProcess;
bool m_bSuspended;
PMRenderMode m_renderMode;
TQImage m_image;
bool m_rcvHeader;
unsigned char m_header[18];
int m_rcvHeaderBytes;
int m_skipBytes;
int m_bytespp;
int m_rcvPixels;
int m_progress;
unsigned char m_restBytes[4];
int m_numRestBytes;
int m_line;
int m_column;
TQPixmap m_pixmap;
bool m_bPixmapUpToDate;
TQString m_povrayOutput;
KTempFile* m_pTempFile;
static TQString s_povrayCommand;
static TQStringList s_libraryPaths;
};
#endif
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