kpixmapregionselectordialog.cpp
/* This file is part of the KDE libraries
Copyright (C) 2004 Antonio Larrosa <larrosa@kde.org
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "kpixmapregionselectordialog.h"
#include <kdialogbase.h>
#include <qdialog.h>
#include <qdesktopwidget.h>
#include <klocale.h>
#include <kdialog.h>
KPixmapRegionSelectorDialog::KPixmapRegionSelectorDialog(QWidget *parent,
const char *name, bool modal ) : KDialogBase(parent, name, modal, i18n("Select Region of Image"), Help|Ok|Cancel, Ok, true )
{
QVBox *vbox=new QVBox(this);
new QLabel(i18n("Please click and drag on the image to select the region of interest:"), vbox);
m_pixmapSelectorWidget= new KPixmapRegionSelectorWidget(vbox);
vbox->setSpacing( KDialog::spacingHint() );
setMainWidget(vbox);
}
KPixmapRegionSelectorDialog::~KPixmapRegionSelectorDialog()
{
}
QRect KPixmapRegionSelectorDialog::getSelectedRegion(const QPixmap &pixmap, QWidget *parent )
{
KPixmapRegionSelectorDialog dialog(parent);
dialog.pixmapRegionSelectorWidget()->setPixmap(pixmap);
QDesktopWidget desktopWidget;
QRect screen=desktopWidget.availableGeometry();
dialog.pixmapRegionSelectorWidget()->setMaximumWidgetSize(
(int)(screen.width()*4.0/5), (int)(screen.height()*4.0/5));
int result = dialog.exec();
QRect rect;
if ( result == QDialog::Accepted )
rect = dialog.pixmapRegionSelectorWidget()->unzoomedSelectedRegion();
return rect;
}
QRect KPixmapRegionSelectorDialog::getSelectedRegion(const QPixmap &pixmap, int aspectRatioWidth, int aspectRatioHeight, QWidget *parent )
{
KPixmapRegionSelectorDialog dialog(parent);
dialog.pixmapRegionSelectorWidget()->setPixmap(pixmap);
dialog.pixmapRegionSelectorWidget()->setSelectionAspectRatio(aspectRatioWidth,aspectRatioHeight);
QDesktopWidget desktopWidget;
QRect screen=desktopWidget.availableGeometry();
dialog.pixmapRegionSelectorWidget()->setMaximumWidgetSize(
(int)(screen.width()*4.0/5), (int)(screen.height()*4.0/5));
int result = dialog.exec();
QRect rect;
if ( result == QDialog::Accepted )
rect = dialog.pixmapRegionSelectorWidget()->unzoomedSelectedRegion();
return rect;
}
QImage KPixmapRegionSelectorDialog::getSelectedImage(const QPixmap &pixmap, QWidget *parent )
{
KPixmapRegionSelectorDialog dialog(parent);
dialog.pixmapRegionSelectorWidget()->setPixmap(pixmap);
QDesktopWidget desktopWidget;
QRect screen=desktopWidget.availableGeometry();
dialog.pixmapRegionSelectorWidget()->setMaximumWidgetSize(
(int)(screen.width()*4.0/5), (int)(screen.height()*4.0/5));
int result = dialog.exec();
QImage image;
if ( result == QDialog::Accepted )
image = dialog.pixmapRegionSelectorWidget()->selectedImage();
return image;
}
QImage KPixmapRegionSelectorDialog::getSelectedImage(const QPixmap &pixmap, int aspectRatioWidth, int aspectRatioHeight, QWidget *parent )
{
KPixmapRegionSelectorDialog dialog(parent);
dialog.pixmapRegionSelectorWidget()->setPixmap(pixmap);
dialog.pixmapRegionSelectorWidget()->setSelectionAspectRatio(aspectRatioWidth,aspectRatioHeight);
QDesktopWidget desktopWidget;
QRect screen=desktopWidget.availableGeometry();
dialog.pixmapRegionSelectorWidget()->setMaximumWidgetSize(
(int)(screen.width()*4.0/5), (int)(screen.height()*4.0/5));
int result = dialog.exec();
QImage image;
if ( result == QDialog::Accepted )
image = dialog.pixmapRegionSelectorWidget()->selectedImage();
return image;
}
KPixmapRegionSelectorDialog
A dialog that uses a KPixmapRegionSelectorWidget to allow the user to select a region of an image...
Definition: kpixmapregionselectordialog.h:42
KPixmapRegionSelectorDialog::getSelectedImage
static QImage getSelectedImage(const QPixmap &pixmap, QWidget *parent=0L)
Creates a modal dialog, lets the user to select a region of the pixmap and returns when the dialog is...
Definition: kpixmapregionselectordialog.cpp:86
KPixmapRegionSelectorDialog::pixmapRegionSelectorWidget
KPixmapRegionSelectorWidget * pixmapRegionSelectorWidget() const
Definition: kpixmapregionselectordialog.h:61
klocale.h
KDialogBase
A dialog base class with standard buttons and predefined layouts.
Definition: kdialogbase.h:191
KPixmapRegionSelectorWidget::unzoomedSelectedRegion
QRect unzoomedSelectedRegion() const
Returns the selected region ( in unzoomed, original pixmap coordinates )
Definition: kpixmapregionselectorwidget.cpp:388
KPixmapRegionSelectorDialog::getSelectedRegion
static QRect getSelectedRegion(const QPixmap &pixmap, QWidget *parent=0L)
Creates a modal dialog, lets the user to select a region of the pixmap and returns when the dialog is...
Definition: kpixmapregionselectordialog.cpp:43
KPixmapRegionSelectorWidget::setPixmap
void setPixmap(const QPixmap &pixmap)
Sets the pixmap which will be shown for the user to select a region from.
Definition: kpixmapregionselectorwidget.cpp:67
KDialog::spacingHint
static int spacingHint()
Return the number of pixels you shall use between widgets inside a dialog according to the KDE standa...
Definition: kdialog.cpp:103
KPixmapRegionSelectorDialog::~KPixmapRegionSelectorDialog
~KPixmapRegionSelectorDialog()
The destructor of the dialog.
Definition: kpixmapregionselectordialog.cpp:39
KPixmapRegionSelectorWidget
KPixmapRegionSelectorWidget is a widget that shows a picture and provides the user with a friendly wa...
Definition: kpixmapregionselectorwidget.h:44
KDialogBase::setMainWidget
void setMainWidget(QWidget *widget)
Sets the main user definable widget.
Definition: kdialogbase.cpp:1431
KPixmapRegionSelectorWidget::setMaximumWidgetSize
void setMaximumWidgetSize(int width, int height)
Sets the maximum size for the widget.
Definition: kpixmapregionselectorwidget.cpp:412
KPixmapRegionSelectorWidget::selectedImage
QImage selectedImage() const
Definition: kpixmapregionselectorwidget.cpp:396
KPixmapRegionSelectorDialog::KPixmapRegionSelectorDialog
KPixmapRegionSelectorDialog(QWidget *parent=0L, const char *name=0L, bool modal=false)
The constructor of an empty KPixmapRegionSelectorDialog, you have to call later the setPixmap method ...
Definition: kpixmapregionselectordialog.cpp:27
KPixmapRegionSelectorWidget::setSelectionAspectRatio
void setSelectionAspectRatio(int width, int height)
Sets the aspect ration that the selected subimage should have.
Definition: kpixmapregionselectorwidget.cpp:402

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