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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2006-02-01
* Description : a widget to display an image preview with some
* modes to compare effect results.
*
* Copyright (C) 2006-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
*
* 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, 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.
*
* ============================================================ */
// TQt includes.
#include <tqwhatsthis.h>
#include <tqlayout.h>
#include <tqframe.h>
#include <tqhbuttongroup.h>
#include <tqpushbutton.h>
// KDE includes.
#include <ksqueezedtextlabel.h>
#include <kdialog.h>
#include <tdeapplication.h>
#include <tdelocale.h>
#include <kiconloader.h>
#include <tdeconfig.h>
#include <kstandarddirs.h>
// Local includes.
#include "ddebug.h"
#include "imagewidget.h"
#include "imagewidget.moc"
namespace Digikam
{
class ImageWidgetPriv
{
public:
ImageWidgetPriv()
{
spotInfoLabel = 0;
previewButtons = 0;
underExposureButton = 0;
overExposureButton = 0;
previewWidget = 0;
}
TQString settingsSection;
TQHButtonGroup *previewButtons;
TQPushButton *underExposureButton;
TQPushButton *overExposureButton;
KSqueezedTextLabel *spotInfoLabel;
ImageGuideWidget *previewWidget;
};
ImageWidget::ImageWidget(const TQString& settingsSection, TQWidget *parent,
const TQString& previewWhatsThis, bool prevModeOptions,
int guideMode, bool guideVisible, bool useImageSelection)
: TQWidget(parent)
{
d = new ImageWidgetPriv;
d->settingsSection = settingsSection;
// -------------------------------------------------------------
TQGridLayout* grid = new TQGridLayout(this, 2, 3);
d->spotInfoLabel = new KSqueezedTextLabel(this);
d->spotInfoLabel->setAlignment(TQt::AlignRight);
// -------------------------------------------------------------
d->previewButtons = new TQHButtonGroup(this);
d->previewButtons->setExclusive(true);
d->previewButtons->setInsideMargin(0);
d->previewButtons->setFrameShape(TQFrame::NoFrame);
TQPushButton *previewOriginalButton = new TQPushButton( d->previewButtons );
d->previewButtons->insert(previewOriginalButton, ImageGuideWidget::PreviewOriginalImage);
TDEGlobal::dirs()->addResourceType("original", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
TQString directory = TDEGlobal::dirs()->findResourceDir("original", "original.png");
previewOriginalButton->setPixmap( TQPixmap( directory + "original.png" ) );
previewOriginalButton->setToggleButton(true);
TQWhatsThis::add( previewOriginalButton, i18n( "<p>If you enable this option, you will see "
"the original image." ) );
TQPushButton *previewBothButtonVert = new TQPushButton( d->previewButtons );
d->previewButtons->insert(previewBothButtonVert, ImageGuideWidget::PreviewBothImagesVertCont);
TDEGlobal::dirs()->addResourceType("bothvert", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
directory = TDEGlobal::dirs()->findResourceDir("bothvert", "bothvert.png");
previewBothButtonVert->setPixmap( TQPixmap( directory + "bothvert.png" ) );
previewBothButtonVert->setToggleButton(true);
TQWhatsThis::add( previewBothButtonVert, i18n( "<p>If you enable this option, the preview area will "
"split vertically. "
"A contiguous area of the image will be shown, "
"with one half from the original image, "
"the other half from the target image.") );
TQPushButton *previewBothButtonHorz = new TQPushButton( d->previewButtons );
d->previewButtons->insert(previewBothButtonHorz, ImageGuideWidget::PreviewBothImagesHorzCont);
TDEGlobal::dirs()->addResourceType("bothhorz", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
directory = TDEGlobal::dirs()->findResourceDir("bothhorz", "bothhorz.png");
previewBothButtonHorz->setPixmap( TQPixmap( directory + "bothhorz.png" ) );
previewBothButtonHorz->setToggleButton(true);
TQWhatsThis::add( previewBothButtonHorz, i18n( "<p>If you enable this option, the preview area will "
"split horizontally. "
"A contiguous area of the image will be shown, "
"with one half from the original image, "
"the other half from the target image.") );
TQPushButton *previewDuplicateBothButtonVert = new TQPushButton( d->previewButtons );
d->previewButtons->insert(previewDuplicateBothButtonVert, ImageGuideWidget::PreviewBothImagesVert);
TDEGlobal::dirs()->addResourceType("duplicatebothvert", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
directory = TDEGlobal::dirs()->findResourceDir("duplicatebothvert", "duplicatebothvert.png");
previewDuplicateBothButtonVert->setPixmap( TQPixmap( directory + "duplicatebothvert.png" ) );
previewDuplicateBothButtonVert->setToggleButton(true);
TQWhatsThis::add( previewDuplicateBothButtonVert, i18n( "<p>If you enable this option, the preview area will "
"split vertically. "
"The same part of the original and the target image "
"will be shown side by side.") );
TQPushButton *previewDupplicateBothButtonHorz = new TQPushButton( d->previewButtons );
d->previewButtons->insert(previewDupplicateBothButtonHorz, ImageGuideWidget::PreviewBothImagesHorz);
TDEGlobal::dirs()->addResourceType("duplicatebothhorz", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
directory = TDEGlobal::dirs()->findResourceDir("duplicatebothhorz", "duplicatebothhorz.png");
previewDupplicateBothButtonHorz->setPixmap( TQPixmap( directory + "duplicatebothhorz.png" ) );
previewDupplicateBothButtonHorz->setToggleButton(true);
TQWhatsThis::add( previewDupplicateBothButtonHorz, i18n( "<p>If you enable this option, the preview area will "
"split horizontally. "
"The same part of the original and the target image "
"will be shown side by side.") );
TQPushButton *previewtargetButton = new TQPushButton( d->previewButtons );
d->previewButtons->insert(previewtargetButton, ImageGuideWidget::PreviewTargetImage);
TDEGlobal::dirs()->addResourceType("target", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
directory = TDEGlobal::dirs()->findResourceDir("target", "target.png");
previewtargetButton->setPixmap( TQPixmap( directory + "target.png" ) );
previewtargetButton->setToggleButton(true);
TQWhatsThis::add( previewtargetButton, i18n( "<p>If you enable this option, you will see "
"the target image." ) );
TQPushButton *previewToggleMouseOverButton = new TQPushButton( d->previewButtons );
d->previewButtons->insert(previewToggleMouseOverButton, ImageGuideWidget::PreviewToggleOnMouseOver);
TDEGlobal::dirs()->addResourceType("togglemouseover", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
directory = TDEGlobal::dirs()->findResourceDir("togglemouseover", "togglemouseover.png");
previewToggleMouseOverButton->setPixmap( TQPixmap( directory + "togglemouseover.png" ) );
previewToggleMouseOverButton->setToggleButton(true);
TQWhatsThis::add( previewToggleMouseOverButton, i18n( "<p>If you enable this option, you will see "
"the original image when the mouse is over image area, "
"else the target image." ) );
// -------------------------------------------------------------
TQHButtonGroup *exposureButtons = new TQHButtonGroup(this);
exposureButtons->setInsideMargin(0);
exposureButtons->setFrameShape(TQFrame::NoFrame);
d->underExposureButton = new TQPushButton(exposureButtons);
exposureButtons->insert(d->underExposureButton, UnderExposure);
d->underExposureButton->setPixmap(SmallIcon("underexposure"));
d->underExposureButton->setToggleButton(true);
TQWhatsThis::add(d->underExposureButton, i18n("<p>Set this option to display black "
"overlaid on the preview. This will help you to avoid "
"under-exposing the image." ) );
d->overExposureButton = new TQPushButton(exposureButtons);
exposureButtons->insert(d->overExposureButton, OverExposure);
d->overExposureButton->setPixmap(SmallIcon("overexposure"));
d->overExposureButton->setToggleButton(true);
TQWhatsThis::add(d->overExposureButton, i18n("<p>Set this option on display white "
"overlaid on the preview. This will help you to avoid "
"over-exposing the image." ) );
// -------------------------------------------------------------
TQFrame *frame = new TQFrame(this);
frame->setFrameStyle(TQFrame::Panel|TQFrame::Sunken);
TQVBoxLayout* l = new TQVBoxLayout(frame, 5, 0);
d->previewWidget = new ImageGuideWidget(480, 320, frame, guideVisible,
guideMode, TQt::red, 1, false,
useImageSelection);
TQWhatsThis::add( d->previewWidget, previewWhatsThis);
l->addWidget(d->previewWidget, 0);
// -------------------------------------------------------------
grid->addMultiCellWidget(d->previewButtons, 1, 1, 0, 0);
grid->addMultiCellWidget(d->spotInfoLabel, 1, 1, 1, 1);
grid->addMultiCellWidget(exposureButtons, 1, 1, 2, 2);
grid->addMultiCellWidget(frame, 3, 3, 0, 2);
grid->setColSpacing(1, KDialog::spacingHint());
grid->setRowSpacing(0, KDialog::spacingHint());
grid->setRowSpacing(2, KDialog::spacingHint());
grid->setRowStretch(3, 10);
grid->setColStretch(1, 10);
// -------------------------------------------------------------
connect(d->previewWidget, TQ_SIGNAL(signalResized()),
this, TQ_SIGNAL(signalResized()));
connect(d->previewWidget, TQ_SIGNAL(spotPositionChangedFromOriginal( const Digikam::DColor &, const TQPoint & )),
this, TQ_SIGNAL(spotPositionChangedFromOriginal( const Digikam::DColor &, const TQPoint & )));
connect(d->previewWidget, TQ_SIGNAL(spotPositionChangedFromOriginal( const Digikam::DColor &, const TQPoint & )),
this, TQ_SLOT(slotUpdateSpotInfo( const Digikam::DColor &, const TQPoint & )));
connect(d->previewWidget, TQ_SIGNAL(spotPositionChangedFromTarget( const Digikam::DColor &, const TQPoint & )),
this, TQ_SIGNAL(spotPositionChangedFromTarget( const Digikam::DColor &, const TQPoint & )));
connect(d->previewWidget, TQ_SIGNAL(spotPositionChangedFromTarget( const Digikam::DColor &, const TQPoint & )),
this, TQ_SLOT(slotUpdateSpotInfo( const Digikam::DColor &, const TQPoint & )));
connect(d->previewButtons, TQ_SIGNAL(released(int)),
d->previewWidget, TQ_SLOT(slotChangeRenderingPreviewMode(int)));
connect(d->underExposureButton, TQ_SIGNAL(toggled(bool)),
d->previewWidget, TQ_SLOT(slotToggleUnderExposure(bool)));
connect(d->overExposureButton, TQ_SIGNAL(toggled(bool)),
d->previewWidget, TQ_SLOT(slotToggleOverExposure(bool)));
// -------------------------------------------------------------
if (prevModeOptions)
readSettings();
else
{
setRenderingPreviewMode(ImageGuideWidget::NoPreviewMode);
d->spotInfoLabel->hide();
d->previewButtons->hide();
exposureButtons->hide();
}
}
ImageWidget::~ImageWidget()
{
writeSettings();
delete d;
}
ImageIface* ImageWidget::imageIface()
{
return d->previewWidget->imageIface();
}
void ImageWidget::updatePreview()
{
d->previewWidget->updatePreview();
}
void ImageWidget::slotChangeGuideColor(const TQColor &color)
{
d->previewWidget->slotChangeGuideColor(color);
}
void ImageWidget::slotChangeGuideSize(int size)
{
d->previewWidget->slotChangeGuideSize(size);
}
void ImageWidget::resetSpotPosition()
{
d->previewWidget->resetSpotPosition();
}
TQPoint ImageWidget::getSpotPosition()
{
return ( d->previewWidget->getSpotPosition() );
}
DColor ImageWidget::getSpotColor(int getColorFrom)
{
return ( d->previewWidget->getSpotColor(getColorFrom) );
}
void ImageWidget::setSpotVisible(bool spotVisible, bool blink)
{
d->previewWidget->setSpotVisible(spotVisible, blink);
}
int ImageWidget::getRenderingPreviewMode()
{
return ( d->previewWidget->getRenderingPreviewMode() );
}
void ImageWidget::setRenderingPreviewMode(int mode)
{
d->previewButtons->setButton(mode);
d->previewWidget->slotChangeRenderingPreviewMode(mode);
}
void ImageWidget::slotUpdateSpotInfo(const Digikam::DColor &col, const TQPoint &point)
{
DColor color = col;
d->spotInfoLabel->setText(i18n("(%1,%2) RGBA:%3,%4,%5,%6")
.arg(point.x()).arg(point.y())
.arg(color.red()).arg(color.green())
.arg(color.blue()).arg(color.alpha()) );
}
void ImageWidget::readSettings()
{
TDEConfig *config = kapp->config();
config->setGroup(d->settingsSection);
d->underExposureButton->setOn(config->readBoolEntry("Under Exposure Indicator", false));
d->overExposureButton->setOn(config->readBoolEntry("Over Exposure Indicator", false));
int mode = config->readNumEntry("Separate View", ImageGuideWidget::PreviewBothImagesVertCont);
mode = TQMAX(ImageGuideWidget::PreviewOriginalImage, mode);
mode = TQMIN(ImageGuideWidget::NoPreviewMode, mode);
setRenderingPreviewMode(mode);
}
void ImageWidget::writeSettings()
{
TDEConfig *config = kapp->config();
config->setGroup(d->settingsSection);
config->writeEntry("Separate View", getRenderingPreviewMode());
config->writeEntry("Under Exposure Indicator", d->underExposureButton->isOn());
config->writeEntry("Over Exposure Indicator", d->overExposureButton->isOn());
config->sync();
}
} // namespace Digikam
|
