diff options
Diffstat (limited to 'src/libs/widgets/imageplugins/imagewidget.cpp')
| -rw-r--r-- | src/libs/widgets/imageplugins/imagewidget.cpp | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/src/libs/widgets/imageplugins/imagewidget.cpp b/src/libs/widgets/imageplugins/imagewidget.cpp new file mode 100644 index 00000000..ab73bbf7 --- /dev/null +++ b/src/libs/widgets/imageplugins/imagewidget.cpp @@ -0,0 +1,347 @@ +/* ============================================================ + * + * 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 |