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336 lines
13 KiB
336 lines
13 KiB
/* ============================================================
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*
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* This file is a part of digiKam project
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* http://www.digikam.org
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*
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* Date : 2005-07-01
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* Description : a widget to draw a control panel image tool.
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*
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* Copyright (C) 2005-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* ============================================================ */
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// TQt includes.
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#include <tqframe.h>
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#include <tqvgroupbox.h>
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#include <tqlabel.h>
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#include <tqpixmap.h>
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#include <tqtooltip.h>
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#include <tqwhatsthis.h>
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#include <tqtimer.h>
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#include <tqhbuttongroup.h>
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#include <tqpushbutton.h>
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#include <tqlayout.h>
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#include <tqpixmap.h>
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// KDE includes.
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#include <kdialog.h>
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#include <klocale.h>
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#include <kcursor.h>
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#include <kapplication.h>
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#include <kiconloader.h>
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#include <tdeconfig.h>
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#include <kstandarddirs.h>
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// Local includes.
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#include "ddebug.h"
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#include "thumbnailsize.h"
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#include "imageregionwidget.h"
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#include "imagepaniconwidget.h"
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#include "imagepanelwidget.h"
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#include "imagepanelwidget.moc"
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namespace Digikam
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{
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class ImagePanelWidgetPriv
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{
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public:
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ImagePanelWidgetPriv()
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{
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imagePanIconWidget = 0;
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imageRegionWidget = 0;
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separateView = 0;
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}
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TQString settingsSection;
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TQHButtonGroup *separateView;
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ImagePanIconWidget *imagePanIconWidget;
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ImageRegionWidget *imageRegionWidget;
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};
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ImagePanelWidget::ImagePanelWidget(uint w, uint h, const TQString& settingsSection,
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ImagePanIconWidget *pan, TQWidget *parent, int separateViewMode)
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: TQWidget(parent, 0, TQt::WDestructiveClose)
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{
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d = new ImagePanelWidgetPriv;
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d->settingsSection = settingsSection;
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d->imagePanIconWidget = pan;
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TQGridLayout *grid = new TQGridLayout(this, 2, 3);
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// -------------------------------------------------------------
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TQFrame *preview = new TQFrame(this);
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TQVBoxLayout* l1 = new TQVBoxLayout(preview, 5, 0);
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d->imageRegionWidget = new ImageRegionWidget(w, h, preview, false);
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d->imageRegionWidget->setFrameStyle(TQFrame::NoFrame);
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preview->setFrameStyle(TQFrame::Panel|TQFrame::Sunken);
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TQWhatsThis::add( d->imageRegionWidget, i18n("<p>Here you can see the original clip image "
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"which will be used for the preview computation."
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"<p>Click and drag the mouse cursor in the "
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"image to change the clip focus."));
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l1->addWidget(d->imageRegionWidget, 0);
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// -------------------------------------------------------------
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TQString directory;
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d->separateView = new TQHButtonGroup(this);
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d->separateView->setExclusive(true);
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d->separateView->setInsideMargin( 0 );
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d->separateView->setFrameShape(TQFrame::NoFrame);
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if (separateViewMode == SeparateViewDuplicate ||
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separateViewMode == SeparateViewAll)
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{
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TQPushButton *duplicateHorButton = new TQPushButton( d->separateView );
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d->separateView->insert(duplicateHorButton, ImageRegionWidget::SeparateViewDuplicateHorz);
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TDEGlobal::dirs()->addResourceType("duplicatebothhorz", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
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directory = TDEGlobal::dirs()->findResourceDir("duplicatebothhorz", "duplicatebothhorz.png");
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duplicateHorButton->setPixmap( TQPixmap( directory + "duplicatebothhorz.png" ) );
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duplicateHorButton->setToggleButton(true);
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TQWhatsThis::add( duplicateHorButton, i18n("<p>If you enable this option, you will separate the preview area "
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"horizontally, displaying the original and target image "
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"at the same time. The target is duplicated from the original "
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"below the red dashed line." ) );
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TQPushButton *duplicateVerButton = new TQPushButton( d->separateView );
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d->separateView->insert(duplicateVerButton, ImageRegionWidget::SeparateViewDuplicateVert);
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TDEGlobal::dirs()->addResourceType("duplicatebothvert", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
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directory = TDEGlobal::dirs()->findResourceDir("duplicatebothvert", "duplicatebothvert.png");
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duplicateVerButton->setPixmap( TQPixmap( directory + "duplicatebothvert.png" ) );
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duplicateVerButton->setToggleButton(true);
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TQWhatsThis::add( duplicateVerButton, i18n("<p>If you enable this option, you will separate the preview area "
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"vertically, displaying the original and target image "
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"at the same time. The target is duplicated from the original to "
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"the right of the red dashed line." ) );
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}
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if (separateViewMode == SeparateViewNormal ||
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separateViewMode == SeparateViewAll)
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{
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TQPushButton *separateHorButton = new TQPushButton( d->separateView );
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d->separateView->insert(separateHorButton, ImageRegionWidget::SeparateViewHorizontal);
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TDEGlobal::dirs()->addResourceType("bothhorz", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
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directory = TDEGlobal::dirs()->findResourceDir("bothhorz", "bothhorz.png");
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separateHorButton->setPixmap( TQPixmap( directory + "bothhorz.png" ) );
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separateHorButton->setToggleButton(true);
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TQWhatsThis::add( separateHorButton, i18n( "<p>If you enable this option, you will separate the preview area "
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"horizontally, displaying the original and target image "
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"at the same time. The original is above the "
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"red dashed line, the target below it." ) );
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TQPushButton *separateVerButton = new TQPushButton( d->separateView );
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d->separateView->insert(separateVerButton, ImageRegionWidget::SeparateViewVertical);
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TDEGlobal::dirs()->addResourceType("bothvert", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
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directory = TDEGlobal::dirs()->findResourceDir("bothvert", "bothvert.png");
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separateVerButton->setPixmap( TQPixmap( directory + "bothvert.png" ) );
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separateVerButton->setToggleButton(true);
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TQWhatsThis::add( separateVerButton, i18n( "<p>If you enable this option, you will separate the preview area "
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"vertically, displaying the original and target image "
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"at the same time. The original is to the left of the "
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"red dashed line, the target to the right of it." ) );
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}
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TQPushButton *noSeparateButton = new TQPushButton( d->separateView );
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d->separateView->insert(noSeparateButton, ImageRegionWidget::SeparateViewNone);
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TDEGlobal::dirs()->addResourceType("target", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
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directory = TDEGlobal::dirs()->findResourceDir("target", "target.png");
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noSeparateButton->setPixmap( TQPixmap( directory + "target.png" ) );
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noSeparateButton->setToggleButton(true);
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TQWhatsThis::add( noSeparateButton, i18n( "<p>If you enable this option, the preview area will not "
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"be separated." ) );
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// -------------------------------------------------------------
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grid->addMultiCellWidget(preview, 0, 1, 0, 3);
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grid->addMultiCellWidget(d->separateView, 2, 2, 3, 3);
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grid->setRowStretch(1, 10);
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grid->setColStretch(1, 10);
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grid->setMargin(0);
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grid->setSpacing(KDialog::spacingHint());
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// -------------------------------------------------------------
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TQTimer::singleShot(0, this, TQT_SLOT(slotInitGui()));
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// -------------------------------------------------------------
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connect(d->imageRegionWidget, TQT_SIGNAL(signalContentsMovedEvent(bool)),
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this, TQT_SLOT(slotOriginalImageRegionChanged(bool)));
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connect(d->imagePanIconWidget, TQT_SIGNAL(signalSelectionMoved(const TQRect&, bool)),
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this, TQT_SLOT(slotSetImageRegionPosition(const TQRect&, bool)));
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connect(d->imagePanIconWidget, TQT_SIGNAL(signalSelectionTakeFocus()),
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this, TQT_SLOT(slotPanIconTakeFocus()));
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connect(d->separateView, TQT_SIGNAL(released(int)),
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d->imagePanIconWidget, TQT_SLOT(slotSeparateViewToggled(int)));
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connect(d->separateView, TQT_SIGNAL(released(int)),
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d->imageRegionWidget, TQT_SLOT(slotSeparateViewToggled(int)));
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}
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ImagePanelWidget::~ImagePanelWidget()
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{
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writeSettings();
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delete d;
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}
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ImageRegionWidget *ImagePanelWidget::previewWidget() const
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{
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return d->imageRegionWidget;
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}
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void ImagePanelWidget::readSettings()
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{
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TDEConfig *config = kapp->config();
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config->setGroup(d->settingsSection);
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int mode = config->readNumEntry("Separate View", ImageRegionWidget::SeparateViewDuplicateVert);
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mode = TQMAX(ImageRegionWidget::SeparateViewHorizontal, mode);
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mode = TQMIN(ImageRegionWidget::SeparateViewDuplicateHorz, mode);
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d->imageRegionWidget->blockSignals(true);
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d->imagePanIconWidget->blockSignals(true);
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d->separateView->blockSignals(true);
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d->imageRegionWidget->slotSeparateViewToggled( mode );
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d->imagePanIconWidget->slotSeparateViewToggled( mode );
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d->separateView->setButton( mode );
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d->imageRegionWidget->blockSignals(false);
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d->imagePanIconWidget->blockSignals(false);
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d->separateView->blockSignals(false);
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}
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void ImagePanelWidget::writeSettings()
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{
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TDEConfig *config = kapp->config();
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config->setGroup(d->settingsSection);
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config->writeEntry( "Separate View", d->separateView->selectedId() );
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config->sync();
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}
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void ImagePanelWidget::slotOriginalImageRegionChanged(bool target)
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{
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d->imagePanIconWidget->slotZoomFactorChanged(d->imageRegionWidget->zoomFactor());
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TQRect rect = getOriginalImageRegion();
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d->imagePanIconWidget->setRegionSelection(rect);
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updateSelectionInfo(rect);
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if (target)
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{
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d->imageRegionWidget->backupPixmapRegion();
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emit signalOriginalClipFocusChanged();
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}
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}
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void ImagePanelWidget::slotZoomSliderChanged(int size)
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{
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double h = (double)ThumbnailSize::Huge;
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double s = (double)ThumbnailSize::Small;
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double zmin = d->imageRegionWidget->zoomMin();
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double zmax = d->imageRegionWidget->zoomMax();
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double b = (zmin-(zmax*s/h))/(1-s/h);
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double a = (zmax-b)/h;
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double z = a*size+b;
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d->imageRegionWidget->setZoomFactorSnapped(z);
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}
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void ImagePanelWidget::resizeEvent(TQResizeEvent *)
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{
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emit signalResized();
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}
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void ImagePanelWidget::slotInitGui()
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{
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readSettings();
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setCenterImageRegionPosition();
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slotOriginalImageRegionChanged(true);
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}
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void ImagePanelWidget::setPanIconHighLightPoints(const TQPointArray& pt)
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{
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d->imageRegionWidget->setHighLightPoints(pt);
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d->imagePanIconWidget->setHighLightPoints(pt);
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}
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void ImagePanelWidget::slotPanIconTakeFocus()
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{
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d->imageRegionWidget->restorePixmapRegion();
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}
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void ImagePanelWidget::setEnable(bool b)
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{
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d->imageRegionWidget->setEnabled(b);
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d->separateView->setEnabled(b);
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}
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TQRect ImagePanelWidget::getOriginalImageRegion()
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{
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return ( d->imageRegionWidget->getImageRegion() );
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}
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TQRect ImagePanelWidget::getOriginalImageRegionToRender()
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{
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return ( d->imageRegionWidget->getImageRegionToRender() );
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}
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DImg ImagePanelWidget::getOriginalRegionImage()
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{
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return ( d->imageRegionWidget->getImageRegionImage() );
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}
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void ImagePanelWidget::setPreviewImage(DImg img)
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{
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d->imageRegionWidget->updatePreviewImage(&img);
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d->imageRegionWidget->repaintContents(false);
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}
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void ImagePanelWidget::setCenterImageRegionPosition()
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{
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d->imageRegionWidget->setCenterContentsPosition();
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}
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void ImagePanelWidget::slotSetImageRegionPosition(const TQRect& rect, bool targetDone)
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{
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d->imageRegionWidget->setContentsPosition(rect.x(), rect.y(), targetDone);
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}
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void ImagePanelWidget::updateSelectionInfo(const TQRect& rect)
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{
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TQToolTip::add( d->imagePanIconWidget,
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i18n("<nobr>(%1,%2)(%3x%4)</nobr>")
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.arg(rect.left()).arg(rect.top())
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.arg(rect.width()).arg(rect.height()));
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}
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} // NameSpace Digikam
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