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koffice/chalk/plugins/viewplugins/imagesize/imagesize.cc

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/*
* imagesize.cc -- Part of Chalk
*
* Copyright (c) 2004 Boudewijn Rempt (boud@valdyas.org)
*
* 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 <math.h>
#include <stdlib.h>
#include <tqslider.h>
#include <tqrect.h>
#include <tqpoint.h>
#include <klocale.h>
#include <kiconloader.h>
#include <kinstance.h>
#include <kmessagebox.h>
#include <kstandarddirs.h>
#include <ktempfile.h>
#include <kdebug.h>
#include <kgenericfactory.h>
#include <kstdaction.h>
#include <kis_doc.h>
#include <kis_config.h>
#include <kis_image.h>
#include <kis_layer.h>
#include <kis_global.h>
#include <kis_types.h>
#include <kis_view.h>
#include <kis_selection.h>
#include <kis_selection_manager.h>
#include <kis_transaction.h>
#include <kis_canvas_controller.h>
#include <kis_scale_visitor.h>
#include "imagesize.h"
#include "dlg_imagesize.h"
#include "dlg_layersize.h"
#include "kis_filter_strategy.h"
typedef KGenericFactory<ImageSize> ImageSizeFactory;
K_EXPORT_COMPONENT_FACTORY( chalkimagesize, ImageSizeFactory( "chalk" ) )
ImageSize::ImageSize(TQObject *parent, const char *name, const TQStringList &)
: KParts::Plugin(parent, name)
{
if ( parent->inherits("KisView") )
{
setInstance(ImageSizeFactory::instance());
setXMLFile(locate("data","chalkplugins/imagesize.rc"), true);
(void) new KAction(i18n("Change &Image Size..."), 0, "Shift-s", this, TQT_SLOT(slotImageSize()), actionCollection(), "imagesize");
(void) new KAction(i18n("&Scale Layer..."), 0, 0, this, TQT_SLOT(slotLayerSize()), actionCollection(), "layerscale");
m_view = (KisView*) parent;
// Selection manager takes ownership?
KAction * a = new KAction(i18n("&Scale Selection..."), 0, 0, this, TQT_SLOT(slotSelectionScale()), actionCollection(), "selectionscale");
Q_CHECK_PTR(a);
m_view ->canvasSubject()-> selectionManager()->addSelectionAction(a);
}
}
ImageSize::~ImageSize()
{
m_view = 0;
}
void ImageSize::slotImageSize()
{
KisImageSP image = m_view->canvasSubject()->currentImg();
if (!image) return;
DlgImageSize * dlgImageSize = new DlgImageSize(m_view, "ImageSize");
Q_CHECK_PTR(dlgImageSize);
dlgImageSize->setCaption(i18n("Image Size"));
KisConfig cfg;
dlgImageSize->setWidth(image->width());
dlgImageSize->setHeight(image->height());
if (dlgImageSize->exec() == TQDialog::Accepted) {
TQ_INT32 w = dlgImageSize->width();
TQ_INT32 h = dlgImageSize->height();
if (dlgImageSize->scale()) {
m_view->scaleCurrentImage((double)w / ((double)(image->width())),
(double)h / ((double)(image->height())),
dlgImageSize->filterType());
}
else {
m_view->resizeCurrentImage(w, h, dlgImageSize->cropLayers());
}
}
delete dlgImageSize;
}
void ImageSize::slotLayerSize()
{
KisImageSP image = m_view->canvasSubject()->currentImg();
if (!image) return;
DlgLayerSize * dlgLayerSize = new DlgLayerSize(m_view, "LayerSize");
Q_CHECK_PTR(dlgLayerSize);
dlgLayerSize->setCaption(i18n("Layer Size"));
KisConfig cfg;
KisPaintDeviceSP dev = image->activeDevice();
TQRect rc = dev->exactBounds();
dlgLayerSize->setWidth(rc.width());
dlgLayerSize->setHeight(rc.height());
if (dlgLayerSize->exec() == TQDialog::Accepted) {
TQ_INT32 w = dlgLayerSize->width();
TQ_INT32 h = dlgLayerSize->height();
m_view->scaleLayer((double)w / ((double)(rc.width())),
(double)h / ((double)(rc.height())),
dlgLayerSize->filterType());
}
delete dlgLayerSize;
}
void ImageSize::slotSelectionScale()
{
KisImageSP image = m_view->canvasSubject()->currentImg();
if (!image) return;
KisPaintDeviceSP layer = image->activeDevice();
if (!layer) return;
if (!layer->hasSelection()) return;
DlgLayerSize * dlgLayerSize = new DlgLayerSize(m_view, "SelectionScale");
Q_CHECK_PTR(dlgLayerSize);
dlgLayerSize->setCaption(i18n("Scale Selection"));
KisConfig cfg;
TQRect rc = layer->selection()->selectedRect();
dlgLayerSize->setWidth(rc.width());
dlgLayerSize->setHeight(rc.height());
if (dlgLayerSize->exec() == TQDialog::Accepted) {
TQ_INT32 w = dlgLayerSize->width();
TQ_INT32 h = dlgLayerSize->height();
KisScaleWorker worker (layer->selection().data(),
(double)w / ((double)(rc.width())),
(double)h / ((double)(rc.height())),
dlgLayerSize->filterType());
worker.run();
m_view->getCanvasController()->updateCanvas();
}
delete dlgLayerSize;
}
#include "imagesize.moc"