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120 lines
3.9 KiB
120 lines
3.9 KiB
//
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// C++ Implementation: komposegltaskwidget
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//
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// Description:
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//
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//
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// Author: Hans Oischinger <oisch@sourceforge.net>, (C) 2004
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//
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// Copyright: See COPYING file that comes with this distribution
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//
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//
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#include "komposegltaskwidget.h"
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#include "komposetaskmanager.h"
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#include "komposetask.h"
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#include "komposelayout.h"
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#include <kdebug.h>
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#include <tqgl.h>
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#include <tqimage.h>
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KomposeGLTaskWidget::KomposeGLTaskWidget(KomposeTask *t, TQObject *parent, KomposeLayout *l, const char *name)
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: KomposeGLWidget(parent, l),
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task(t)
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{
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TQImage img = task->getScreenshot().convertToImage();
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img = img.smoothScale( 256, 256, TQImage::ScaleMin );
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tex = TQGLWidget::convertToGLFormat( img );
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glGenTextures(1, &texture);
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glBindTexture(GL_TEXTURE_2D, texture);
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/* glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); // cheap scaling when image bigger than texture
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glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); // cheap scaling when image smalled than texture*/
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glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S, GL_REPEAT);
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glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T, GL_REPEAT);
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glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); // scale linearly when image bigger than texture
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glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); // scale linearly when image smalled than texture
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glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
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glTexImage2D( GL_TEXTURE_2D, 0, 3, 256, 256, 0,
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GL_RGBA, GL_UNSIGNED_BYTE, tex.bits() );
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connect( t, SIGNAL( closed() ), this, SLOT( slotTaskDestroyed() ) );
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connect( t, SIGNAL( stateChanged() ), this, SLOT( draw() ) );
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}
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KomposeGLTaskWidget::~KomposeGLTaskWidget()
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{}
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void KomposeGLTaskWidget::slotTaskDestroyed()
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{
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disconnect( task, SIGNAL( closed() ), this, SLOT( slotTaskDestroyed() ) );
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disconnect( task, SIGNAL( stateChanged() ), this, SLOT( draw() ) );
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if (KomposeTaskManager::instance()->hasActiveView())
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{
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this->parent()->removeChild( this );
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}
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}
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int KomposeGLTaskWidget::getHeightForWidth ( int w ) const
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{
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tqDebug("KomposeGLTaskWidget::getHeightForWidth()");
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return task->getHeightForWidth(w);
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}
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int KomposeGLTaskWidget::getWidthForHeight ( int h ) const
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{
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tqDebug("KomposeGLTaskWidget::getWidthForHeight()");
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return task->getWidthForHeight(h);
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}
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double KomposeGLTaskWidget::getAspectRatio()
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{
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tqDebug("KomposeGLTaskWidget::getAspectRatio()");
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return task->getAspectRatio();
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}
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void KomposeGLTaskWidget::draw()
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{
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KomposeGLWidget::draw();
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tqDebug("KomposeGLTaskWidget::draw() - %d,%d %dx%d", getRect().x(), getRect().y(), getRect().width(), getRect().height());
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glColor3f(1.0f, 0.0f, 0.0f);
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glBindTexture(GL_TEXTURE_2D, texture);
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/* glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
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glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );*/
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
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glEnable( GL_TEXTURE_2D );
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// glTexImage2D( GL_TEXTURE_2D, 0, 3, tex.width(), tex.height(), 0,
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// GL_RGBA, GL_UNSIGNED_BYTE, tex.bits() );
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// tqDebug("KomposeGLTaskWidget::draw() - tex: %dx%d", tex.width(), tex.height() );
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glBegin( GL_QUADS );
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glTexCoord2f(0.0, 0.0);
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glVertex2i( getRect().x(), getRect().y() );
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glTexCoord2f(0.0, 1.0);
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glVertex2i( getRect().x(), getRect().y() + getRect().height() );
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glTexCoord2f(1.0, 1.0);
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glVertex2i( getRect().x() + getRect().width(), getRect().y() + getRect().height() );
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glTexCoord2f(1.0, 0.0);
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glVertex2i( getRect().x() + getRect().width(), getRect().y() );
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glEnd();
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glDisable( GL_TEXTURE_2D );
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/*
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glRasterPos2i (getRect().x(), getRect().y());
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glPixelZoom( (GLfloat)(getSize().width())/(GLfloat)(tex.width()), (GLfloat)(getSize().height())/(GLfloat)(tex.height()) );
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glDrawPixels(tex.width(), tex.height(), GL_RGBA, GL_UNSIGNED_BYTE, tex.bits() ); */
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}
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#include "komposegltaskwidget.moc"
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