1 files changed, 335 insertions, 0 deletions

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