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, 558 insertions, 0 deletions

diff --git a/kpovmodeler/pmdialogeditbase.cpp b/kpovmodeler/pmdialogeditbase.cpp
new file mode 100644
index 00000000..9defd762
--- /dev/null
+++ b/kpovmodeler/pmdialogeditbase.cpp
@@ -0,0 +1,558 @@
+/*
+**************************************************************************
+                                 description
+                             --------------------
+    copyright            : (C) 2000-2002 by Andreas Zehender
+    email                : [email protected]
+**************************************************************************
+
+**************************************************************************
+*                                                                        *
+*  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.                                   *
+*                                                                        *
+**************************************************************************/
+
+
+#include "pmdialogeditbase.h"
+
+#include <qlayout.h>
+#include <qcheckbox.h>
+#include <qpushbutton.h>
+#include <qlabel.h>
+#include <qvbox.h>
+#include <qbuffer.h>
+#include <qptrdict.h>
+#include <kdialog.h>
+#include <kconfig.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+
+#include "pmpart.h"
+#include "pmdefaults.h"
+#include "pmpovrayrenderwidget.h"
+#include "pmpovrayoutputwidget.h"
+#include "pmpovray31format.h"
+#include "pmserializer.h"
+#include "pmcolor.h"
+#include "pmrecursiveobjectiterator.h"
+#include "pmdeclare.h"
+
+#include "pmdebug.h"
+
+int PMDialogEditBase::s_previewSize = c_defaultTPSize;
+bool PMDialogEditBase::s_showSphere = c_defaultTPShowSphere;
+bool PMDialogEditBase::s_showCylinder = c_defaultTPShowCylinder;
+bool PMDialogEditBase::s_showBox = c_defaultTPShowBox;
+bool PMDialogEditBase::s_previewAA = c_defaultTPAA;
+int PMDialogEditBase::s_previewAADepth = c_defaultTPAADepth;
+double PMDialogEditBase::s_previewAAThreshold = c_defaultTPAAThreshold;
+bool PMDialogEditBase::s_showFloor = c_defaultTPShowFloor;
+bool PMDialogEditBase::s_showWall = c_defaultTPShowWall;
+QColor PMDialogEditBase::s_wallColor1 = c_defaultTPWallColor1;
+QColor PMDialogEditBase::s_wallColor2 = c_defaultTPWallColor2;
+QColor PMDialogEditBase::s_floorColor1 = c_defaultTPFloorColor1;
+QColor PMDialogEditBase::s_floorColor2 = c_defaultTPFloorColor2;
+bool PMDialogEditBase::s_previewLocal = false;
+double PMDialogEditBase::s_previewGamma = c_defaultTPGamma;
+
+
+/** Constants for texture preview */
+const QString c_wallCode = QString(
+   "plane { <0, 0, -1>, -2\n"
+   "  pigment { checker %1 %2\n"
+   "    scale <0.5, 0.5, 0.5>\n"
+   "    translate <0.5, 0, 0>\n"
+   "  }\n"
+   "}\n" );
+const QString c_floorCode = QString(
+   "plane { <0, 1, 0>, 0\n"
+   "  pigment { checker %1 %2\n"
+   "    scale <0.5, 0.5, 0.5>\n"
+   "  }\n"
+   "}\n" );
+const QString c_lightCode = QString(
+   "light_source { <-2.5, 3, -1.5>, rgb <1, 1, 1> }\n"
+   "light_source { <3, 3, -3>, rgb <0.6, 0.6, 0.6> shadowless }\n" );
+
+
+const QString c_cameraCode[3] = {
+   QString( "camera { location <-1, 1.25, -2> right <1, 0, 0>\n"
+            "  look_at <0.0, 0.5, 0> angle 45 }\n" ),
+   QString( "camera { location <-1, 2, -3> right <1, 0, 0>\n"
+            "  look_at <0.0, 1, 0> angle 45 }\n" ),
+   QString( "camera { location <-2, 2.5, -4> right <1, 0, 0>\n"
+            "  look_at <0.0, 1.5, 0> angle 45 }\n" )
+};
+const QString c_sphereCode = QString(
+   "sphere { <0, 0.5, 0>, 0.5 translate <0, %1, 0> }\n" );
+const QString c_cylinderCode = QString(
+   "cylinder { <0, 0, 0>, <0, 1, 0>, 0.5 translate <0, %1, 0> }\n" );
+const QString c_boxCode = QString(
+   "box { <-0.5, 0, -0.5>, <0.5, 1, 0.5> translate <0, %1, 0> }\n" );
+const QString c_globalSettingsCode = QString(
+   "global_settings { assumed_gamma %1 }\n" );
+
+PMDialogEditBase::PMDialogEditBase( QWidget* parent, const char* name )
+      : QWidget( parent, name )
+{
+   m_pDisplayedObject = 0;
+   m_pPart = 0;
+
+   m_pTexturePreviewWidget = 0;
+   m_pOutputWidget = 0;
+   m_pRenderWidget = 0;
+   m_pRenderFrame = 0;
+   m_pPreviewLocalBox = 0;
+   m_pPreviewButton = 0;
+   m_pOutputButton = 0;
+}
+
+PMDialogEditBase::~PMDialogEditBase( )
+{
+   if( m_pOutputWidget )
+      delete m_pOutputWidget;
+}
+
+void PMDialogEditBase::createWidgets( )
+{
+   m_pTopLayout = new QBoxLayout( this, QBoxLayout::TopToBottom,
+                                  KDialog::spacingHint( ) );
+
+   createTopWidgets( );
+   createBottomWidgets( );
+
+   m_pTopLayout->addStretch( );
+   m_pTopLayout->activate( );
+}
+
+void PMDialogEditBase::createBottomWidgets( )
+{
+   m_pTexturePreviewWidget = new QWidget( this );
+   m_pTexturePreviewWidget->hide( );
+   m_pTopLayout->addWidget( m_pTexturePreviewWidget );
+}
+
+bool PMDialogEditBase::saveData( )
+{
+   if( isDataValid( ) )
+   {
+      saveContents( );
+      return true;
+   }
+   return false;
+}
+
+void PMDialogEditBase::saveContents( )
+{
+}
+
+void PMDialogEditBase::displayObject( PMObject* o )
+{
+   bool newObject = ( m_pDisplayedObject != o );
+   m_pDisplayedObject = o;
+   PMObject* global;
+   PMObject* local;
+
+   // Is object a full texture or inside a full texture
+   findTextures( global, local );
+   if( global )
+   {
+      // is the preview widget created?
+      if( !m_pRenderWidget )
+      {
+         QVBoxLayout* vl = new QVBoxLayout( m_pTexturePreviewWidget, 0,
+                                            KDialog::spacingHint( ) );
+         vl->addSpacing( 10 );
+         QFrame* hline = new QFrame( m_pTexturePreviewWidget );
+         hline->setFrameStyle( QFrame::HLine | QFrame::Plain );
+         hline->setLineWidth( 1 );
+         vl->addWidget( hline );
+         vl->addWidget( new QLabel( i18n( "Texture preview:" ), m_pTexturePreviewWidget ) );
+         m_pRenderFrame = new QVBox( m_pTexturePreviewWidget );
+         m_pRenderFrame->setFrameStyle( QFrame::StyledPanel | QFrame::Sunken );
+         m_pRenderFrame->setLineWidth( 2 );
+         m_pRenderFrame->hide( );
+         vl->addWidget( m_pRenderFrame );
+
+         m_pRenderWidget = new PMPovrayRenderWidget( m_pRenderFrame );
+         connect( m_pRenderWidget, SIGNAL( finished( int ) ),
+                  SLOT( slotPreviewFinished( int ) ) );
+         m_pPreviewLocalBox = new QCheckBox( i18n( "local" ), m_pTexturePreviewWidget );
+         m_pPreviewLocalBox->setChecked( s_previewLocal );
+         connect( m_pPreviewLocalBox, SIGNAL( toggled( bool ) ),
+                  SLOT( slotPreviewLocal( bool ) ) );
+         vl->addWidget( m_pPreviewLocalBox );
+
+         QHBoxLayout* hl = new QHBoxLayout( vl );
+         m_pPreviewButton = new QPushButton( i18n( "&Preview" ), m_pTexturePreviewWidget );
+         hl->addWidget( m_pPreviewButton );
+         connect( m_pPreviewButton, SIGNAL( clicked( ) ),
+                  SLOT( slotTexturePreview( ) ) );
+         m_pOutputButton = new QPushButton( i18n( "Povray Output" ), m_pTexturePreviewWidget );
+         hl->addWidget( m_pOutputButton );
+         connect( m_pOutputButton, SIGNAL( clicked( ) ),
+                  SLOT( slotPovrayOutput( ) ) );
+         hl->addStretch( 1 );
+
+         m_pOutputWidget = new PMPovrayOutputWidget( );
+         connect( m_pRenderWidget, SIGNAL( povrayMessage( const QString& ) ),
+                  m_pOutputWidget, SLOT( slotText( const QString& ) ) );
+      }
+
+      m_pTexturePreviewWidget->show( );
+      if( newObject )
+         m_pRenderFrame->hide( );
+      m_pPreviewLocalBox->setEnabled( local != global );
+      m_pPreviewButton->setEnabled( true );
+   }
+   else
+   {
+      // is the preview widget created?
+      if( m_pPreviewButton )
+         m_pPreviewButton->setEnabled( false );
+      m_pTexturePreviewWidget->hide( );
+   }
+}
+
+void PMDialogEditBase::setHelp( const QString& anchor )
+{
+   m_helpTopic = anchor;
+}
+
+void PMDialogEditBase::redisplay( )
+{
+   if( m_pDisplayedObject )
+      displayObject( m_pDisplayedObject );
+}
+
+void PMDialogEditBase::setCheckBox( QCheckBox* box, PMThreeState state )
+{
+   switch( state )
+   {
+      case PMTrue:
+         box->setChecked( true );
+         break;
+      case PMFalse:
+         box->setChecked( false );
+         break;
+      case PMUnspecified:
+         box->setNoChange( );
+         break;
+   }
+}
+
+PMThreeState PMDialogEditBase::checkBoxState( QCheckBox* box )
+{
+   PMThreeState st = PMTrue;
+   switch( box->state( ) )
+   {
+      case QCheckBox::On:
+         st = PMTrue;
+         break;
+      case QCheckBox::Off:
+         st = PMFalse;
+         break;
+      case QCheckBox::NoChange:
+         st = PMUnspecified;
+         break;
+   }
+   return st;
+}
+
+void PMDialogEditBase::setPreviewSize( int size )
+{
+   if( ( size >= 10 ) && ( size <= 400 ) )
+      s_previewSize = size;
+}
+
+void PMDialogEditBase::setPreviewAADepth( int d )
+{
+   if( ( d >= 1 ) && ( d <= 9 ) )
+      s_previewAADepth = d;
+}
+
+void PMDialogEditBase::saveConfig( KConfig* cfg )
+{
+   cfg->setGroup( "TexturePreview" );
+   cfg->writeEntry( "Size", s_previewSize );
+   cfg->writeEntry( "showSphere", s_showSphere );
+   cfg->writeEntry( "showCylinder", s_showCylinder );
+   cfg->writeEntry( "showBox", s_showBox );
+   cfg->writeEntry( "AA", s_previewAA );
+   cfg->writeEntry( "AADepth", s_previewAADepth );
+   cfg->writeEntry( "AAThreshold", s_previewAAThreshold );
+   cfg->writeEntry( "showWall", s_showWall );
+   cfg->writeEntry( "showFloor", s_showFloor );
+   cfg->writeEntry( "WallColor1", s_wallColor1 );
+   cfg->writeEntry( "WallColor2", s_wallColor2 );
+   cfg->writeEntry( "FloorColor1", s_floorColor1 );
+   cfg->writeEntry( "FloorColor2", s_floorColor2 );
+   cfg->writeEntry( "Gamma", s_previewGamma );
+}
+
+void PMDialogEditBase::restoreConfig( KConfig* cfg )
+{
+   cfg->setGroup( "TexturePreview" );
+   setPreviewSize( cfg->readNumEntry( "Size", s_previewSize ) );
+   s_showSphere = cfg->readBoolEntry( "showSphere", s_showSphere );
+   s_showCylinder = cfg->readBoolEntry( "showCylinder", s_showCylinder );
+   s_showBox = cfg->readBoolEntry( "showBox", s_showBox );
+   s_previewAA = cfg->readBoolEntry( "AA", s_previewAA );
+   setPreviewAADepth( cfg->readNumEntry( "AADepth", s_previewAADepth ) );
+   s_previewAAThreshold = cfg->readDoubleNumEntry( "AAThreshold", s_previewAAThreshold );
+   s_showWall = cfg->readBoolEntry( "showWall", s_showWall );
+   s_showFloor = cfg->readBoolEntry( "showFloor", s_showFloor );
+   s_wallColor1 = cfg->readColorEntry( "WallColor1", &s_wallColor1 );
+   s_wallColor2 = cfg->readColorEntry( "WallColor2", &s_wallColor2 );
+   s_floorColor1 = cfg->readColorEntry( "FloorColor1", &s_floorColor1 );
+   s_floorColor2 = cfg->readColorEntry( "FloorColor2", &s_floorColor2 );
+   s_previewGamma = cfg->readDoubleNumEntry( "Gamma", s_previewGamma );
+}
+
+void PMDialogEditBase::findTextures( PMObject*& global, PMObject*& local ) const
+{
+   PMObject* o;
+   global = 0;
+   local = 0;
+
+   for( o = m_pDisplayedObject; o; o = o->parent( ) )
+   {
+      if( o->type( ) == "Material" || o->type( ) == "Interior" ||
+          o->type( ) == "Texture" || o->type( ) == "Pigment" ||
+          o->type( ) == "InteriorTexture" )
+      {
+         if( !local )
+            local = o;
+         global = o;
+      }
+      else if( o->type( ) == "Declare" )
+      {
+         PMDeclare* d = ( PMDeclare* ) o;
+         if( d->declareType( ) == "Interior" ||
+             d->declareType( ) == "Pigment" ||
+             d->declareType( ) == "Material" )
+         {
+            if( !local || ( local == global ) )
+               local = o;
+            global = o;
+         }
+         else if( d->declareType( ) == "Texture" ||
+                  d->declareType( ) == "InteriorTexture" )
+         {
+            if( o->countChildren( ) > 1 )
+            {
+               if( !local )
+                  local = o;
+            }
+            else
+               if( !local || ( local == global ) )
+                  local = o;
+            global = o;
+         }
+      }
+   }
+}
+
+void PMDialogEditBase::slotTexturePreview( )
+{
+   PMObject* o;
+   PMObject* local = 0;
+   PMObject* global = 0;
+
+   if( !m_pRenderWidget )
+      return;
+
+   findTextures( global, local );
+   if( local )
+   {
+      emit aboutToRender( );
+
+      if( global == local )
+         o = global;
+      else
+      {
+         if( m_pPreviewLocalBox->isChecked( ) )
+            o = local;
+         else
+            o = global;
+      }
+
+      // ensure at least one object will be rendered.
+      if( !( s_showSphere || s_showCylinder || s_showBox ) )
+         s_showSphere = true;
+
+      int numObjects = 0;
+      QByteArray scene;
+      QBuffer buffer( scene );
+      buffer.open( IO_WriteOnly );
+      QTextStream str( &buffer );
+      PMPovray31Format format;
+      PMSerializer* dev = format.newSerializer( &buffer );
+      PMRenderMode mode;
+      PMObjectList neededDeclares, objectsToCheck;
+      QPtrDict<PMObject> objectsToSerialize( 101 );
+      PMObject* link;
+
+      // find needed declares
+      objectsToCheck.append( o );
+      do
+      {
+         PMObjectListIterator it( objectsToCheck );
+         for( ; it.current( ); ++it )
+         {
+            PMRecursiveObjectIterator rit( it.current( ) );
+            for( ; rit.current( ); ++rit )
+            {
+               link = rit.current( )->linkedObject( );
+               if( link )
+                  if( !neededDeclares.containsRef( link ) )
+                     if( !objectsToSerialize.find( link ) )
+                        neededDeclares.append( link );
+            }
+            objectsToSerialize.insert( it.current( ), it.current( ) );
+         }
+
+         objectsToCheck = neededDeclares;
+         neededDeclares.clear( );
+      }
+      while( objectsToCheck.count( ) > 0 );
+
+      // serialize all needed declares in the right order
+      int numDeclares = objectsToSerialize.count( );
+      if( numDeclares > 0 )
+      {
+         PMObject* otr = o;
+
+         // find the scene
+         while( otr->parent( ) ) otr = otr->parent( );
+
+         for( otr = otr->firstChild( ); otr && ( numDeclares > 0 );
+              otr = otr->nextSibling( ) )
+         {
+            if( otr->type( ) == "Declare" )
+            {
+               if( objectsToSerialize.find( otr ) )
+               {
+                  dev->serialize( otr );
+                  numDeclares--;
+               }
+            }
+         }
+         str << "\n\n";
+      }
+      // if the previewed texture is a declare, serialize it
+      if( o->type( ) == "Declare" )
+          dev->serialize( o );
+
+      // build the preview scene
+      str << "union {\n";
+      if( s_showBox )
+      {
+         str << c_boxCode.arg( numObjects );
+         numObjects++;
+      }
+      if( s_showCylinder )
+      {
+         str << c_cylinderCode.arg( numObjects );
+         numObjects++;
+      }
+      if( s_showSphere )
+      {
+         str << c_sphereCode.arg( numObjects );
+         numObjects++;
+      }
+
+      // serialize the texture
+      if( o->type( ) == "Declare" )
+      {
+         PMDeclare* dec = ( PMDeclare* ) o;
+         if( dec->declareType( ) == "Interior" )
+            str << "interior { ";
+         else if( dec->declareType( ) == "Texture" )
+            str << "texture { ";
+         else if( dec->declareType( ) == "Pigment" )
+            str << "pigment { ";
+         else if( dec->declareType( ) == "InteriorTexture" )
+            str << "interior_texture { ";
+         else if( dec->declareType( ) == "Material" )
+            str << "material { ";
+         else
+            kdError( PMArea ) << "Unhandled declare type in "
+               "PMDialogEditBase::slotTexturePreview\n";
+
+         str << dec->id( );
+         str << " }\n";
+      }
+      else
+         dev->serialize( o );
+      str << "}\n";
+
+      PMColor c1, c2;
+      if( s_showWall )
+      {
+         c1 = PMColor( s_wallColor1 );
+         c2 = PMColor( s_wallColor2 );
+         str << c_wallCode.arg( c1.serialize( true ) ).arg( c2.serialize( true ) );
+      }
+      if( s_showFloor )
+      {
+         c1 = PMColor( s_floorColor1 );
+         c2 = PMColor( s_floorColor2 );
+         str << c_floorCode.arg( c1.serialize( true ) ).arg( c2.serialize( true ) );
+      }
+
+      str << c_lightCode;
+      str << c_cameraCode[numObjects-1];
+      str << c_globalSettingsCode.arg( s_previewGamma );
+
+      // Set the render mode
+      mode.setHeight( s_previewSize );
+      mode.setWidth( s_previewSize );
+      mode.setAntialiasing( s_previewAA );
+      mode.setAntialiasingThreshold( s_previewAAThreshold );
+      mode.setAntialiasingDepth( s_previewAADepth );
+
+      m_pRenderFrame->show( );
+      m_pRenderFrame->setFixedSize( s_previewSize + m_pRenderFrame->frameWidth( ) * 2,
+                                    s_previewSize + m_pRenderFrame->frameWidth( ) * 2 );
+      m_pRenderFrame->updateGeometry( );
+      m_pTexturePreviewWidget->layout( )->activate( );
+      emit sizeChanged( );
+      m_pOutputWidget->slotClear( );
+      m_pRenderWidget->render( scene, mode, m_pPart->url( ) );
+
+      delete dev;
+   }
+}
+
+void PMDialogEditBase::slotPreviewLocal( bool on )
+{
+   s_previewLocal = on;
+}
+
+void PMDialogEditBase::slotPreviewFinished( int exitStatus )
+{
+   if( exitStatus != 0 )
+   {
+      KMessageBox::error( this, i18n( "Povray exited abnormally with "
+                                      "exit code %1.\n"
+                                      "See the povray output for details." )
+                          .arg( exitStatus ) );
+   }
+   else if( m_pRenderWidget->povrayOutput( ).contains( "ERROR" ) )
+   {
+      KMessageBox::error( this, i18n( "There were errors while rendering.\n"
+                                      "See the povray output for details." ) );
+   }
+}
+
+void PMDialogEditBase::slotPovrayOutput( )
+{
+   if( m_pOutputWidget )
+      m_pOutputWidget->show( );
+}
+
+#include "pmdialogeditbase.moc"