diff options
Diffstat (limited to 'src/imageplugins/sheartool/sheartool.cpp')
-rw-r--r-- | src/imageplugins/sheartool/sheartool.cpp | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/src/imageplugins/sheartool/sheartool.cpp b/src/imageplugins/sheartool/sheartool.cpp new file mode 100644 index 00000000..9f65b6d3 --- /dev/null +++ b/src/imageplugins/sheartool/sheartool.cpp @@ -0,0 +1,331 @@ +/* ============================================================ + * + * This file is a part of digiKam project + * http://www.digikam.org + * + * Date : 2004-12-23 + * Description : a plugin to shear an image + * + * Copyright (C) 2004-2008 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 <tqcheckbox.h> +#include <tqimage.h> +#include <tqlabel.h> +#include <tqlayout.h> +#include <tqwhatsthis.h> + +// KDE includes. + +#include <tdeaboutdata.h> +#include <tdeapplication.h> +#include <tdeconfig.h> +#include <kcursor.h> +#include <kiconloader.h> +#include <tdelocale.h> +#include <kseparator.h> +#include <kstandarddirs.h> + +// LibKDcraw includes. + +#include <libkdcraw/rnuminput.h> + +// Local includes. + +#include "daboutdata.h" +#include "ddebug.h" +#include "dimg.h" +#include "editortoolsettings.h" +#include "imageiface.h" +#include "imagewidget.h" +#include "shear.h" +#include "sheartool.h" +#include "sheartool.moc" + +using namespace KDcrawIface; +using namespace Digikam; + +namespace DigikamShearToolImagesPlugin +{ + +ShearTool::ShearTool(TQObject* parent) + : EditorToolThreaded(parent) +{ + setName("sheartool"); + setToolName(i18n("Shear Tool")); + setToolIcon(SmallIcon("sheartool")); + + m_previewWidget = new ImageWidget("sheartool Tool", 0, + i18n("<p>This is the shear operation preview. " + "If you move the mouse cursor on this preview, " + "a vertical and horizontal dashed line will be drawn " + "to guide you in adjusting the shear correction. " + "Release the left mouse button to freeze the dashed " + "line's position."), + false, ImageGuideWidget::HVGuideMode); + + setToolView(m_previewWidget); + + // ------------------------------------------------------------- + + TQString temp; + Digikam::ImageIface iface(0, 0); + + m_gboxSettings = new EditorToolSettings(EditorToolSettings::Default| + EditorToolSettings::Ok| + EditorToolSettings::Cancel, + EditorToolSettings::ColorGuide); + TQGridLayout* grid = new TQGridLayout(m_gboxSettings->plainPage(), 12, 2); + + TQLabel *label1 = new TQLabel(i18n("New width:"), m_gboxSettings->plainPage()); + m_newWidthLabel = new TQLabel(temp.setNum( iface.originalWidth()) + i18n(" px"), m_gboxSettings->plainPage()); + m_newWidthLabel->setAlignment( AlignBottom | AlignRight ); + + TQLabel *label2 = new TQLabel(i18n("New height:"), m_gboxSettings->plainPage()); + m_newHeightLabel = new TQLabel(temp.setNum( iface.originalHeight()) + i18n(" px"), m_gboxSettings->plainPage()); + m_newHeightLabel->setAlignment( AlignBottom | AlignRight ); + + KSeparator *line = new KSeparator(Horizontal, m_gboxSettings->plainPage()); + + TQLabel *label3 = new TQLabel(i18n("Main horizontal angle:"), m_gboxSettings->plainPage()); + m_mainHAngleInput = new RIntNumInput(m_gboxSettings->plainPage()); + m_mainHAngleInput->setRange(-45, 45, 1); + m_mainHAngleInput->setDefaultValue(0); + TQWhatsThis::add( m_mainHAngleInput, i18n("<p>The main horizontal shearing angle, in degrees.")); + + TQLabel *label4 = new TQLabel(i18n("Fine horizontal angle:"), m_gboxSettings->plainPage()); + m_fineHAngleInput = new RDoubleNumInput(m_gboxSettings->plainPage()); + m_fineHAngleInput->setRange(-5.0, 5.0, 0.01); + m_fineHAngleInput->setDefaultValue(0); + TQWhatsThis::add( m_fineHAngleInput, i18n("<p>This value in degrees will be added to main horizontal angle value " + "to set fine adjustments.")); + + TQLabel *label5 = new TQLabel(i18n("Main vertical angle:"), m_gboxSettings->plainPage()); + m_mainVAngleInput = new RIntNumInput(m_gboxSettings->plainPage()); + m_mainVAngleInput->setRange(-45, 45, 1); + m_mainVAngleInput->setDefaultValue(0); + TQWhatsThis::add( m_mainVAngleInput, i18n("<p>The main vertical shearing angle, in degrees.")); + + TQLabel *label6 = new TQLabel(i18n("Fine vertical angle:"), m_gboxSettings->plainPage()); + m_fineVAngleInput = new RDoubleNumInput(m_gboxSettings->plainPage()); + m_fineVAngleInput->setRange(-5.0, 5.0, 0.01); + m_fineVAngleInput->setDefaultValue(0); + TQWhatsThis::add( m_fineVAngleInput, i18n("<p>This value in degrees will be added to main vertical angle value " + "to set fine adjustments.")); + + m_antialiasInput = new TQCheckBox(i18n("Anti-Aliasing"), m_gboxSettings->plainPage()); + TQWhatsThis::add( m_antialiasInput, i18n("<p>Enable this option to apply the anti-aliasing filter " + "to the sheared image. " + "To smooth the target image, it will be blurred a little.")); + + grid->addMultiCellWidget(label1, 0, 0, 0, 0); + grid->addMultiCellWidget(m_newWidthLabel, 0, 0, 1, 2); + grid->addMultiCellWidget(label2, 1, 1, 0, 0); + grid->addMultiCellWidget(m_newHeightLabel, 1, 1, 1, 2); + grid->addMultiCellWidget(line, 2, 2, 0, 2); + grid->addMultiCellWidget(label3, 3, 3, 0, 2); + grid->addMultiCellWidget(m_mainHAngleInput, 4, 4, 0, 2); + grid->addMultiCellWidget(label4, 5, 5, 0, 2); + grid->addMultiCellWidget(m_fineHAngleInput, 6, 6, 0, 2); + grid->addMultiCellWidget(label5, 7, 7, 0, 0); + grid->addMultiCellWidget(m_mainVAngleInput, 8, 8, 0, 2); + grid->addMultiCellWidget(label6, 9, 9, 0, 2); + grid->addMultiCellWidget(m_fineVAngleInput, 10, 10, 0, 2); + grid->addMultiCellWidget(m_antialiasInput, 11, 11, 0, 2); + grid->setRowStretch(12, 10); + grid->setMargin(m_gboxSettings->spacingHint()); + grid->setSpacing(m_gboxSettings->spacingHint()); + + setToolSettings(m_gboxSettings); + init(); + + // ------------------------------------------------------------- + + connect(m_mainHAngleInput, TQ_SIGNAL(valueChanged(int)), + this, TQ_SLOT(slotTimer())); + + connect(m_fineHAngleInput, TQ_SIGNAL(valueChanged(double)), + this, TQ_SLOT(slotTimer())); + + connect(m_mainVAngleInput, TQ_SIGNAL(valueChanged(int)), + this, TQ_SLOT(slotTimer())); + + connect(m_fineVAngleInput, TQ_SIGNAL(valueChanged(double)), + this, TQ_SLOT(slotTimer())); + + connect(m_antialiasInput, TQ_SIGNAL(toggled(bool)), + this, TQ_SLOT(slotEffect())); + + connect(m_gboxSettings, TQ_SIGNAL(signalColorGuideChanged()), + this, TQ_SLOT(slotColorGuideChanged())); +} + +ShearTool::~ShearTool() +{ +} + +void ShearTool::slotColorGuideChanged() +{ + m_previewWidget->slotChangeGuideColor(m_gboxSettings->guideColor()); + m_previewWidget->slotChangeGuideSize(m_gboxSettings->guideSize()); +} + +void ShearTool::readSettings() +{ + TDEConfig *config = kapp->config(); + config->setGroup("sheartool Tool"); + m_mainHAngleInput->setValue(config->readNumEntry("Main HAngle", m_mainHAngleInput->defaultValue())); + m_mainVAngleInput->setValue(config->readNumEntry("Main VAngle", m_mainVAngleInput->defaultValue())); + m_fineHAngleInput->setValue(config->readDoubleNumEntry("Fine HAngle", m_fineHAngleInput->defaultValue())); + m_fineVAngleInput->setValue(config->readDoubleNumEntry("Fine VAngle", m_fineVAngleInput->defaultValue())); + m_antialiasInput->setChecked(config->readBoolEntry("Anti Aliasing", true)); + m_gboxSettings->setGuideColor(config->readColorEntry("Guide Color", &TQt::red)); + m_gboxSettings->setGuideSize(config->readNumEntry("Guide Width", 1)); + + slotColorGuideChanged(); + slotEffect(); +} + +void ShearTool::writeSettings() +{ + TDEConfig *config = kapp->config(); + config->setGroup("sheartool Tool"); + config->writeEntry("Main HAngle", m_mainHAngleInput->value()); + config->writeEntry("Main VAngle", m_mainVAngleInput->value()); + config->writeEntry("Fine HAngle", m_fineHAngleInput->value()); + config->writeEntry("Fine VAngle", m_fineVAngleInput->value()); + config->writeEntry("Anti Aliasing", m_antialiasInput->isChecked()); + config->writeEntry("Guide Color", m_gboxSettings->guideColor()); + config->writeEntry("Guide Width", m_gboxSettings->guideSize()); + m_previewWidget->writeSettings(); + config->sync(); +} + +void ShearTool::slotResetSettings() +{ + m_mainHAngleInput->blockSignals(true); + m_mainVAngleInput->blockSignals(true); + m_fineHAngleInput->blockSignals(true); + m_fineVAngleInput->blockSignals(true); + m_antialiasInput->blockSignals(true); + + m_mainHAngleInput->slotReset(); + m_mainVAngleInput->slotReset(); + m_fineHAngleInput->slotReset(); + m_fineVAngleInput->slotReset(); + m_antialiasInput->setChecked(true); + + m_mainHAngleInput->blockSignals(false); + m_mainVAngleInput->blockSignals(false); + m_fineHAngleInput->blockSignals(false); + m_fineVAngleInput->blockSignals(false); + m_antialiasInput->blockSignals(false); +} + +void ShearTool::prepareEffect() +{ + kapp->setOverrideCursor( KCursor::waitCursor() ); + m_mainHAngleInput->setEnabled(false); + m_mainVAngleInput->setEnabled(false); + m_fineHAngleInput->setEnabled(false); + m_fineVAngleInput->setEnabled(false); + m_antialiasInput->setEnabled(false); + + float hAngle = m_mainHAngleInput->value() + m_fineHAngleInput->value(); + float vAngle = m_mainVAngleInput->value() + m_fineVAngleInput->value(); + bool antialiasing = m_antialiasInput->isChecked(); + TQColor background = m_previewWidget->paletteBackgroundColor().rgb(); + ImageIface* iface = m_previewWidget->imageIface(); + int orgW = iface->originalWidth(); + int orgH = iface->originalHeight(); + uchar *data = iface->getPreviewImage(); + DImg image(iface->previewWidth(), iface->previewHeight(), iface->previewSixteenBit(), + iface->previewHasAlpha(), data); + delete [] data; + + setFilter(dynamic_cast<DImgThreadedFilter*>(new Shear(&image, this, hAngle, vAngle, antialiasing, + background, orgW, orgH))); +} + +void ShearTool::prepareFinal() +{ + m_mainHAngleInput->setEnabled(false); + m_mainVAngleInput->setEnabled(false); + m_fineHAngleInput->setEnabled(false); + m_fineVAngleInput->setEnabled(false); + m_antialiasInput->setEnabled(false); + + float hAngle = m_mainHAngleInput->value() + m_fineHAngleInput->value(); + float vAngle = m_mainVAngleInput->value() + m_fineVAngleInput->value(); + bool antialiasing = m_antialiasInput->isChecked(); + TQColor background = TQt::black; + + ImageIface iface(0, 0); + int orgW = iface.originalWidth(); + int orgH = iface.originalHeight(); + + uchar *data = iface.getOriginalImage(); + DImg orgImage(orgW, orgH, iface.originalSixteenBit(), iface.originalHasAlpha(), data); + delete [] data; + + setFilter(dynamic_cast<DImgThreadedFilter*>(new Shear(&orgImage, this, hAngle, vAngle, antialiasing, + background, orgW, orgH))); +} + +void ShearTool::putPreviewData() +{ + ImageIface* iface = m_previewWidget->imageIface(); + int w = iface->previewWidth(); + int h = iface->previewHeight(); + DImg imTemp = filter()->getTargetImage().smoothScale(w, h, TQSize::ScaleMin); + DImg imDest( w, h, filter()->getTargetImage().sixteenBit(), + filter()->getTargetImage().hasAlpha() ); + + imDest.fill(DColor(m_previewWidget->paletteBackgroundColor().rgb(), + filter()->getTargetImage().sixteenBit()) ); + imDest.bitBltImage(&imTemp, (w-imTemp.width())/2, (h-imTemp.height())/2); + + iface->putPreviewImage((imDest.smoothScale(iface->previewWidth(), + iface->previewHeight())).bits()); + + m_previewWidget->updatePreview(); + TQSize newSize = dynamic_cast<Shear*>(filter())->getNewSize(); + TQString temp; + m_newWidthLabel->setText(temp.setNum( newSize.width()) + i18n(" px") ); + m_newHeightLabel->setText(temp.setNum( newSize.height()) + i18n(" px") ); +} + +void ShearTool::putFinalData() +{ + ImageIface iface(0, 0); + DImg targetImage = filter()->getTargetImage(); + iface.putOriginalImage(i18n("Shear Tool"), + targetImage.bits(), + targetImage.width(), targetImage.height()); +} + +void ShearTool::renderingFinished() +{ + m_mainHAngleInput->setEnabled(true); + m_mainVAngleInput->setEnabled(true); + m_fineHAngleInput->setEnabled(true); + m_fineVAngleInput->setEnabled(true); + m_antialiasInput->setEnabled(true); + kapp->restoreOverrideCursor(); +} + +} // NameSpace DigikamShearToolImagesPlugin |