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/*
* This file is part of Chalk
*
* Copyright (c) 2006 Cyrille Berger <cberger@cberger.net>
*
* 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.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "kis_perspective_grid_manager.h"
#include <kaction.h>
#include <klocale.h>
#include <kmessagebox.h>
#include "kis_image.h"
#include "kis_grid_drawer.h"
#include "kis_perspective_grid.h"
#include "kis_view.h"
KisPerspectiveGridManager::KisPerspectiveGridManager(KisView * tqparent)
: TQObject()
, m_toggleEdition(false)
, m_view(tqparent)
{
}
KisPerspectiveGridManager::~KisPerspectiveGridManager()
{
}
void KisPerspectiveGridManager::updateGUI()
{
KisImageSP image = m_view->canvasSubject()->currentImg();
if (image ) {
KisPerspectiveGrid* pGrid = image->perspectiveGrid();
m_toggleGrid->setEnabled( pGrid->hasSubGrids());
}
}
void KisPerspectiveGridManager::setup(KActionCollection * collection)
{
kdDebug() << "KisPerspectiveGridManager::setup(KActionCollection * collection)" << endl;
m_toggleGrid = new KToggleAction(i18n("Show Perspective Grid"), "", this, TQT_SLOT(toggleGrid()), collection, "view_toggle_perspective_grid");
m_toggleGrid->setCheckedState(KGuiItem(i18n("Hide Perspective Grid")));
m_toggleGrid->setChecked(false);
m_gridClear = new KAction(i18n("Clear Perspective Grid"), 0, "", this, TQT_SLOT(clearPerspectiveGrid()), collection, "view_clear_perspective_grid");
}
void KisPerspectiveGridManager::setGridVisible(bool t)
{
KisImageSP image = m_view->canvasSubject()->currentImg();
if (t && image ) {
KisPerspectiveGrid* pGrid = image->perspectiveGrid();
if( pGrid->hasSubGrids())
{
m_toggleGrid->setChecked(true);
}
} else {
m_toggleGrid->setChecked(false);
}
m_view->refreshKisCanvas();
}
void KisPerspectiveGridManager::toggleGrid()
{
KisImageSP image = m_view->canvasSubject()->currentImg();
if (image && m_toggleGrid->isChecked()) {
KisPerspectiveGrid* pGrid = image->perspectiveGrid();
if(!pGrid->hasSubGrids())
{
KMessageBox::error(0, i18n("Before displaying the perspective grid, you need to initialize it with the perspective grid tool"), i18n("No Perspective Grid to Display") );
m_toggleGrid->setChecked(false);
}
}
m_view->updateCanvas();
}
void KisPerspectiveGridManager::clearPerspectiveGrid()
{
KisImageSP image = m_view->canvasSubject()->currentImg();
if (image ) {
image->perspectiveGrid()->clearSubGrids();
m_view->updateCanvas();
m_toggleGrid->setChecked(false);
m_toggleGrid->setEnabled(false);
}
}
void KisPerspectiveGridManager::startEdition()
{
m_toggleEdition = true;
m_toggleGrid->setEnabled( false );
if( m_toggleGrid->isChecked() )
m_view->updateCanvas();
}
void KisPerspectiveGridManager::stopEdition()
{
m_toggleEdition = false;
m_toggleGrid->setEnabled( true );
if( m_toggleGrid->isChecked() )
m_view->updateCanvas();
}
void KisPerspectiveGridManager::drawGrid(TQRect wr, TQPainter *p, bool openGL )
{
KisImageSP image = m_view->canvasSubject()->currentImg();
if (image && m_toggleGrid->isChecked() && !m_toggleEdition) {
KisPerspectiveGrid* pGrid = image->perspectiveGrid();
GridDrawer *gridDrawer = 0;
if (openGL) {
gridDrawer = new OpenGLGridDrawer();
} else {
Q_ASSERT(p);
if (p) {
gridDrawer = new TQPainterGridDrawer(p);
}
}
Q_ASSERT(gridDrawer != 0);
for( TQValueList<KisSubPerspectiveGrid*>::const_iterator it = pGrid->begin(); it != pGrid->end(); ++it)
{
gridDrawer->drawPerspectiveGrid(image, wr, *it );
}
delete gridDrawer;
}
}
#include "kis_perspective_grid_manager.moc"
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