-// Copyright (C) 2005 OPEN CASCADE
+// Copyright (C) 2007-2024 CEA, EDF, OPEN CASCADE
//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
//
-// See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
-// Author : OPEN CASCADE
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
-// File: GLViewer_Widget.cxx
-// Created: November, 2004
-
-//================================================================
-// Class : GLViewer_Widget
-// Description : OpenGL QWidget for GLViewer
-//================================================================
-
#include "GLViewer_Widget.h"
#include "GLViewer_ViewPort2d.h"
#include "GLViewer_Viewer2d.h"
-#include "GLViewer_Compass.h"
#include "GLViewer_Grid.h"
-#include "GLViewer_Object.h"
#include "GLViewer_CoordSystem.h"
+#include "GLViewer_ViewFrame.h"
#include <cmath>
-using namespace std;
-
-#include <qevent.h>
-#include <qrect.h>
-
-#include <qpixmap.h>
-#include <qimage.h>
-#include <qapplication.h>
-#include <qintdict.h>
-#include <qpaintdevicemetrics.h>
-#include <qsize.h>
-#include <qtooltip.h>
-
-//=======================================================================
-// Function: GLViewer_Widget
-// Purpose :
-//=======================================================================
-GLViewer_Widget::GLViewer_Widget( QWidget* parent, const char* name ):
+
+#include <QEvent>
+#include <QPaintEvent>
+#include <QRect>
+#include <QFile>
+#include <QImage>
+#include <QApplication>
+#include <QToolTip>
+
+/*!
+ A constructor
+ Parameters using for QOGLWidget as is
+*/
+GLViewer_Widget::GLViewer_Widget( QWidget* parent, const char* /*name*/ ):
QGLWidget( parent, 0/*, WRepaintNoErase | WResizeNoErase*/ )
{
myViewPort = ( GLViewer_ViewPort2d* )parent;
setMouseTracking( true );
}
-//=======================================================================
-// Function: GLViewer_Widget
-// Purpose :
-//=======================================================================
+/*!
+ Destructor
+*/
GLViewer_Widget::~GLViewer_Widget()
{
}
-//=======================================================================
-// Function: ~GLViewer_Widget
-// Purpose :
-//=======================================================================
+/*!
+ \return offset parameters of Window in OpenGL global scene
+*/
void GLViewer_Widget::getPan( GLfloat& xPan, GLfloat& yPan, GLfloat& zPan )
{
xPan = myXPan;
zPan = myZPan;
}
-//=======================================================================
-// Function: setPan
-// Purpose :
-//=======================================================================
+/*!
+ A function for installing the offset parameters of Window in OpenGL global scene
+*/
void GLViewer_Widget::setPan( GLfloat xPan, GLfloat yPan, GLfloat zPan )
{
myXPan = xPan;
myZPan = zPan;
}
-//=======================================================================
-// Function: getScale
-// Purpose :
-//=======================================================================
+/*!
+ \return scales on OpenGL scene along 3 directions in 2d scene zScale = 1.0
+*/
void GLViewer_Widget::getScale( GLfloat& xScale, GLfloat& yScale, GLfloat& zScale )
{
xScale = myXScale;
zScale = myZScale;
}
-//=======================================================================
-// Function: setScale
-// Purpose :
-//=======================================================================
+/*!
+ A function for installing the scales of OpenGL scene
+*/
void GLViewer_Widget::setScale( GLfloat xScale, GLfloat yScale, GLfloat zScale )
{
if ( xScale > 0 && yScale > 0 && zScale > 0 )
}
}
-//=======================================================================
-// Function: getRotationStart
-// Purpose :
-//=======================================================================
+/*!
+ \return start point of curren rotation of Window in OpenGL global scene
+*/
void GLViewer_Widget::getRotationStart( GLfloat& rotationStartX,
- GLfloat& rotationStartY,
+ GLfloat& rotationStartY,
GLfloat& rotationStartZ )
{
rotationStartX = myRotationStartX;
rotationStartZ = myRotationStartZ;
}
-//=======================================================================
-// Function: setRotationStart
-// Purpose :
-//=======================================================================
+/*!
+ A function for installing the rotation angle of Window in OpenGL global scene in degree (Only in 2D)
+*/
void GLViewer_Widget::setRotationStart( GLfloat rotationStartX,
- GLfloat rotationStartY,
+ GLfloat rotationStartY,
GLfloat rotationStartZ )
{
myRotationStartX = rotationStartX;
myRotationStartZ = rotationStartZ;
}
-//=======================================================================
-// Function: getRotation
-// Purpose :
-//=======================================================================
+/*!
+ \return parameters of rotation
+ \param rotationAngle - angle
+ \param rotationCenterX - center x
+ \param rotationCenterY - center y
+ \param rotationCenterZ - center z
+*/
void GLViewer_Widget::getRotation( GLfloat& rotationAngle,
- GLfloat& rotationCenterX,
- GLfloat& rotationCenterY,
- GLfloat& rotationCenterZ )
+ GLfloat& rotationCenterX,
+ GLfloat& rotationCenterY,
+ GLfloat& rotationCenterZ )
{
rotationAngle = myRotationAngle;
rotationCenterX = myRotationCenterX;
rotationCenterZ = myRotationCenterZ;
}
-//=======================================================================
-// Function: setRotation
-// Purpose :
-//=======================================================================
+/*!
+ Sets parameters of rotation
+ \param rotationAngle - angle
+ \param rotationCenterX - center x
+ \param rotationCenterY - center y
+ \param rotationCenterZ - center z
+*/
void GLViewer_Widget::setRotation( GLfloat rotationAngle,
- GLfloat rotationCenterX,
- GLfloat rotationCenterY,
- GLfloat rotationCenterZ )
+ GLfloat rotationCenterX,
+ GLfloat rotationCenterY,
+ GLfloat rotationCenterZ )
{
myRotationAngle = rotationAngle;
myRotationCenterX = rotationCenterX;
myRotationCenterZ = rotationCenterZ;
}
-//=======================================================================
-// Function: setBackground
-// Purpose :
-//=======================================================================
+
+/*!
+ Sets image as background
+ \param filename - name of file
+*/
void GLViewer_Widget::setBackground( QString filename )
{
}
}
-//=======================================================================
-// Function: addToolTip
-// Purpose :
-//=======================================================================
+/*!
+ Adds tooltip
+ \param theString - tooltip text
+ \param theRect - tooltip rectangle
+*/
void GLViewer_Widget::addToolTip( QString theString, QRect theRect )
{
myToolTipRect = theRect;
- QToolTip::add( this, myToolTipRect, theString );
+ setToolTip(theString);
+ //QToolTip::add( this, myToolTipRect, theString );
}
-//=======================================================================
-// Function: removeToolTip
-// Purpose :
-//=======================================================================
+/*!
+ Removes tooltip
+*/
void GLViewer_Widget::removeToolTip()
{
- QToolTip::remove( this, myToolTipRect );
+ setToolTip("");
+ //QToolTip::remove( this, myToolTipRect );
}
-//=======================================================================
-// Function: initializeGL
-// Purpose :
-//=======================================================================
+/*!
+ Initialization (redefined virtual from QGLWidget)
+*/
void GLViewer_Widget::initializeGL()
{
setAutoBufferSwap( true );
//get image
QImage buf;
- QString aPicturePath = getenv("GLViewer__Background_Picture");
+ QString aPicturePath = Qtx::getenv("GLViewer__Background_Picture");
if ( !aPicturePath.isEmpty() && buf.load( aPicturePath ) )
{ // Load first image from file
isLoadBackground = false;
}
-//=======================================================================
-// Function: paintGL
-// Purpose :
-//=======================================================================
+/*!
+ Paints content
+*/
void GLViewer_Widget::paintGL()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
v->repaintView( getViewPort()->getViewFrame() );
}
-//=======================================================================
-// Function: resizeGL
-// Purpose :
-//=======================================================================
+/*!
+ Resets OpenGl parameters after resize
+ \param w - new width
+ \param h - new height
+*/
void GLViewer_Widget::resizeGL( int w, int h )
{
glLoadIdentity();
}
-//=======================================================================
-// Function: exportRepaint
-// Purpose :
-//=======================================================================
+/*!
+ Provides repaint in export mode
+*/
void GLViewer_Widget::exportRepaint()
{
isExportMode = true;
isExportMode = false;
}
-//=======================================================================
-// Function: paintEvent
-// Purpose :
-//=======================================================================
+/*!
+ Custom paint event handler
+*/
void GLViewer_Widget::paintEvent( QPaintEvent* e )
{
QApplication::sendEvent( myViewPort, e );
}
-//=======================================================================
-// Function: mouseMoveEvent
-// Purpose :
-//=======================================================================
+/*!
+ Custom mouse move event handler
+*/
void GLViewer_Widget::mouseMoveEvent( QMouseEvent* e )
{
QApplication::sendEvent( myViewPort, e );
}
-//=======================================================================
-// Function: mousePressEvent
-// Purpose :
-//=======================================================================
+/*!
+ Custom mouse press event handler
+*/
void GLViewer_Widget::mousePressEvent( QMouseEvent* e )
{
QApplication::sendEvent( myViewPort, e );
}
-//=======================================================================
-// Function: mouseReleaseEvent
-// Purpose :
-//=======================================================================
+/*!
+ Custom mouse release event handler
+*/
void GLViewer_Widget::mouseReleaseEvent( QMouseEvent* e )
{
QApplication::sendEvent( myViewPort, e );
}
-//=======================================================================
-// Function: enterEvent
-// Purpose :
-//=======================================================================
-void GLViewer_Widget::enterEvent( QEvent* e )
+/*!
+ Custom enter event handler
+*/
+void GLViewer_Widget::enterEvent( QEvent* /*e*/ )
{
updateGL();
}
-//=======================================================================
-// Function: leaveEvent
-// Purpose :
-//=======================================================================
-void GLViewer_Widget::leaveEvent( QEvent* e )
+/*!
+ Custom leave event handler
+*/
+void GLViewer_Widget::leaveEvent( QEvent* /*e*/ )
{
updateGL();
}
+/*!
+ Custom leave event handler
+*/
+bool GLViewer_Widget::event ( QEvent* e )
+{
+ if (e->type() == QEvent::ToolTip) {
+ QHelpEvent *helpEvent = static_cast<QHelpEvent *>(e);
+ if ( myToolTipRect.contains(helpEvent->pos()) )
+ QToolTip::showText(helpEvent->globalPos(), toolTip());
+ }
+ return QGLWidget::event(e);
+}
-//=======================================================================
-//! Function: hex
-//! Purpose : Returns the hex code of digit < 16
-//=======================================================================
+/*!
+ \return the hex code of digit < 16
+ \param c - digit
+*/
inline char hex( uchar c )
{
if( c<=9 )
return ' ';
}
-//=======================================================================
-//! Function: AddImagePart
-//! Purpose : Translates path of image to PS format
-/*! Image inside rectangle from w1 to w2 and from h2 to h1*/
-//=======================================================================
+/*!
+ Translates part of image inside rectangle from w1 to w2 and from h2 to h1 to PS format
+ \param hFile - PostScript file
+ \param image - image to be tarnslated
+ \param w1 - x start position
+ \param w2 - x end position
+ \param h1 - y start position
+ \param h2 - y end position
+ \param aViewerCS - viewer co-ordinate system
+ \param aPSCS - paper co-ordinate system
+ \param a
+ \param b
+ \param c
+ \param d
+ \param dw
+ \param dh
+*/
void AddImagePart( QFile& hFile, QImage& image, int w1, int w2, int h1, int h2,
GLViewer_CoordSystem* aViewerCS, GLViewer_CoordSystem* aPSCS,
double a, double b, double c, double d, double dw, double dh )
{
uchar* theCurLine = image.scanLine( i ), cur;
for( int j=w1; j<=w2; j++ )
- for( int k=0; k<3; k++ )
- {
- cur = *(theCurLine+4*j+2-k);
- *(line+cur_index) = hex( cur/16 ); //HI
- *(line+cur_index+1) = hex( cur%16 ); //LO
- full++;
- cur_index+=2;
- if( cur_index>=80 )
- {
- aBuffer += line;
- aBuffer += "\n";
- cur_index = 0;
- }
- }
+ for( int k=0; k<3; k++ )
+ {
+ cur = *(theCurLine+4*j+2-k);
+ *(line+cur_index) = hex( cur/16 ); //HI
+ *(line+cur_index+1) = hex( cur%16 ); //LO
+ full++;
+ cur_index+=2;
+ if( cur_index>=80 )
+ {
+ aBuffer += line;
+ aBuffer += "\n";
+ cur_index = 0;
+ }
+ }
}
aBuffer += "> false 3 colorimage\n\n";
- hFile.writeBlock( aBuffer.ascii(), aBuffer.length() );
+ hFile.write( aBuffer.toLatin1() );
}
}
-//=======================================================================
-// Function: getBackgroundRectInViewerCS
-// Purpose :
-//=======================================================================
+/*!
+ \return background rectangle in viewer CS
+*/
void GLViewer_Widget::getBackgroundRectInViewerCS( double& left, double& top, double& right, double& bottom )
{
left = -myIW/2; right = myIW/2;
top = myIH/2; bottom = -myIH/2;
}
-//=======================================================================
-// Function: translateBackgroundToPS
-// Purpose :
-//=======================================================================
+/*!
+ Translates background to PostScript
+ \param hFile - PostScript file
+ \param aViewerCS - viewer co-ordinate system
+ \param aPSCS - paper co-ordinate system
+*/
void GLViewer_Widget::translateBackgroundToPS( QFile& hFile, GLViewer_CoordSystem* aViewerCS, GLViewer_CoordSystem* aPSCS )
{
QImage buf;
const int max = 133000; //The maximum length of string in PS
int dh = int( floor( double( max ) / ( 3.0*2.0*width ) ) );
for( int k=buf.height()-1; k>=0; k-=dh )
- AddImagePart( hFile, buf, 0, buf.width()-1, QMAX( k-dh+1, 0 ), k,
+ AddImagePart( hFile, buf, 0, buf.width()-1, qMax( k-dh+1, 0 ), k,
aViewerCS, aPSCS, a, b, c, d, dx, dy-(buf.height()-1-k) );
}
}
-//=======================================================================
-//! Function: DecodeScanLine
-//! Purpose : Translate image line with one color depth to line wiht other depth
-//=======================================================================
+/*!
+ Translates image line with one color depth to line with other depth
+*/
void DecodeScanLine( int width, uchar* dest, int dest_depth, uchar* source, int source_depth )
{
#ifndef WIN32
memcpy( dest, source, aSize/8 );
else
{
- double r, g, b; WORD color;
+ double r=0, g=0, b=0; WORD color;
for( int i=0; i<width; i++ )
{
color = 0;
}
}
-//=======================================================================
-// Function: translateBackgroundToEMF
-// Purpose :
-//=======================================================================
#ifdef WIN32
+/*!
+ Translates background to EMF
+ \param dc - descriptor of EMF
+ \param aViewerCS - viewer co-ordinate system
+ \param aPSCS - paper co-ordinate system
+*/
void GLViewer_Widget::translateBackgroundToEMF( HDC dc, GLViewer_CoordSystem* aViewerCS, GLViewer_CoordSystem* aEMFCS )
{
QImage buf;
