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/**************************************************************************** ** ** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. ** ** This file is part of the documentation of the Qt Toolkit. ** ** This file may be used under the terms of the GNU General Public ** License versions 2.0 or 3.0 as published by the Free Software ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Alternatively you may (at ** your option) use any later version of the GNU General Public ** License if such license has been publicly approved by Trolltech ASA ** (or its successors, if any) and the KDE Free Qt Foundation. In ** addition, as a special exception, Trolltech gives you certain ** additional rights. These rights are described in the Trolltech GPL ** Exception version 1.2, which can be found at ** http://www.trolltech.com/products/qt/gplexception/ and in the file ** GPL_EXCEPTION.txt in this package. ** ** Please review the following information to ensure GNU General ** Public Licensing requirements will be met: ** http://trolltech.com/products/qt/licenses/licensing/opensource/. If ** you are unsure which license is appropriate for your use, please ** review the following information: ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview ** or contact the sales department at [email protected]. ** ** In addition, as a special exception, Trolltech, as the sole ** copyright holder for Qt Designer, grants users of the Qt/Eclipse ** Integration plug-in the right for the Qt/Eclipse Integration to ** link to functionality provided by Qt Designer and its related ** libraries. ** ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly ** granted herein. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ****************************************************************************/ /**************************************************************************** ** ** This is a simple QGLWidget displaying an openGL wireframe box ** ** The OpenGL code is mostly borrowed from Brian Pauls "spin" example ** in the Mesa distribution ** ****************************************************************************/ #include "glbox.h" #include <QAxAggregated> #include <QUuid> #include <objsafe.h> #if defined(Q_CC_MSVC) #pragma warning(disable:4305) // init: truncation from const double to float #endif /*! Create a GLBox widget */ GLBox::GLBox( QWidget* parent, const char* name ) : QGLWidget( parent ) { xRot = yRot = zRot = 0.0; // default object rotation scale = 1.25; // default object scale object = 0; } /*! Release allocated resources */ GLBox::~GLBox() { makeCurrent(); glDeleteLists( object, 1 ); } /*! Paint the box. The actual openGL commands for drawing the box are performed here. */ void GLBox::paintGL() { glClear( GL_COLOR_BUFFER_BIT ); glLoadIdentity(); glTranslatef( 0.0, 0.0, -10.0 ); glScalef( scale, scale, scale ); glRotatef( xRot, 1.0, 0.0, 0.0 ); glRotatef( yRot, 0.0, 1.0, 0.0 ); glRotatef( zRot, 0.0, 0.0, 1.0 ); glCallList( object ); } /*! Set up the OpenGL rendering state, and define display list */ void GLBox::initializeGL() { qglClearColor(Qt::black); // Let OpenGL clear to black object = makeObject(); // Generate an OpenGL display list glShadeModel( GL_FLAT ); } /*! Set up the OpenGL view port, matrix mode, etc. */ void GLBox::resizeGL( int w, int h ) { glViewport( 0, 0, (GLint)w, (GLint)h ); glMatrixMode( GL_PROJECTION ); glLoadIdentity(); glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 15.0 ); glMatrixMode( GL_MODELVIEW ); } /*! Generate an OpenGL display list for the object to be shown, i.e. the box */ GLuint GLBox::makeObject() { GLuint list; list = glGenLists( 1 ); glNewList( list, GL_COMPILE ); qglColor(Qt::white); // Shorthand for glColor3f or glIndex glLineWidth( 2.0 ); glBegin( GL_LINE_LOOP ); glVertex3f( 1.0, 0.5, -0.4 ); glVertex3f( 1.0, -0.5, -0.4 ); glVertex3f( -1.0, -0.5, -0.4 ); glVertex3f( -1.0, 0.5, -0.4 ); glEnd(); glBegin( GL_LINE_LOOP ); glVertex3f( 1.0, 0.5, 0.4 ); glVertex3f( 1.0, -0.5, 0.4 ); glVertex3f( -1.0, -0.5, 0.4 ); glVertex3f( -1.0, 0.5, 0.4 ); glEnd(); glBegin( GL_LINES ); glVertex3f( 1.0, 0.5, -0.4 ); glVertex3f( 1.0, 0.5, 0.4 ); glVertex3f( 1.0, -0.5, -0.4 ); glVertex3f( 1.0, -0.5, 0.4 ); glVertex3f( -1.0, -0.5, -0.4 ); glVertex3f( -1.0, -0.5, 0.4 ); glVertex3f( -1.0, 0.5, -0.4 ); glVertex3f( -1.0, 0.5, 0.4 ); glEnd(); glEndList(); return list; } /*! Set the rotation angle of the object to \e degrees around the X axis. */ void GLBox::setXRotation( int degrees ) { xRot = (GLfloat)(degrees % 360); updateGL(); } /*! Set the rotation angle of the object to \e degrees around the Y axis. */ void GLBox::setYRotation( int degrees ) { yRot = (GLfloat)(degrees % 360); updateGL(); } /*! Set the rotation angle of the object to \e degrees around the Z axis. */ void GLBox::setZRotation( int degrees ) { zRot = (GLfloat)(degrees % 360); updateGL(); } class ObjectSafetyImpl : public QAxAggregated, public IObjectSafety { public: ObjectSafetyImpl() {} long queryInterface( const QUuid &iid, void **iface ) { *iface = 0; if ( iid == IID_IObjectSafety ) *iface = (IObjectSafety*)this; else return E_NOINTERFACE; AddRef(); return S_OK; } QAXAGG_IUNKNOWN; HRESULT WINAPI GetInterfaceSafetyOptions( REFIID riid, DWORD *pdwSupportedOptions, DWORD *pdwEnabledOptions ) { *pdwSupportedOptions = INTERFACESAFE_FOR_UNTRUSTED_DATA | INTERFACESAFE_FOR_UNTRUSTED_CALLER; *pdwEnabledOptions = INTERFACESAFE_FOR_UNTRUSTED_DATA | INTERFACESAFE_FOR_UNTRUSTED_CALLER; return S_OK; } HRESULT WINAPI SetInterfaceSafetyOptions( REFIID riid, DWORD pdwSupportedOptions, DWORD pdwEnabledOptions ) { return S_OK; } }; QAxAggregated *GLBox::createAggregate() { return new ObjectSafetyImpl(); }
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