[layouts] Resurrect action for exporting to raster images

...this time, without all the useful code locked away in app!

src/app/CMakeLists.txt

@@ -185,6 +185,7 @@ SET(QGIS_APP_SRCS
   layout/qgslayoutdesignerdialog.cpp
   layout/qgslayoutguidewidget.cpp
   layout/qgslayouthtmlwidget.cpp
+  layout/qgslayoutimageexportoptionsdialog.cpp
   layout/qgslayoutitemslistview.cpp
   layout/qgslayoutappmenuprovider.cpp
   layout/qgslayoutlabelwidget.cpp
@@ -403,6 +404,7 @@ SET (QGIS_APP_MOC_HDRS
   layout/qgslayoutdesignerdialog.h
   layout/qgslayoutguidewidget.h
   layout/qgslayouthtmlwidget.h
+  layout/qgslayoutimageexportoptionsdialog.h
   layout/qgslayoutitemslistview.h
   layout/qgslayoutlabelwidget.h
   layout/qgslayoutlegendwidget.h

src/app/layout/qgslayoutdesignerdialog.cpp

@@ -33,6 +33,9 @@
 #include "qgslayoutviewtoolselect.h"
 #include "qgslayoutviewtooleditnodes.h"
 #include "qgslayoutitemwidget.h"
+#include "qgslayoutimageexportoptionsdialog.h"
+#include "qgslayoutitemmap.h"
+#include "qgsmessageviewer.h"
 #include "qgsgui.h"
 #include "qgslayoutitemguiregistry.h"
 #include "qgslayoutpropertieswidget.h"
@@ -168,6 +171,8 @@ QgsLayoutDesignerDialog::QgsLayoutDesignerDialog( QWidget *parent, Qt::WindowFla
   connect( mActionLayoutManager, &QAction::triggered, this, &QgsLayoutDesignerDialog::showManager );
   connect( mActionRemoveLayout, &QAction::triggered, this, &QgsLayoutDesignerDialog::deleteLayout );
 
+  connect( mActionExportAsImage, &QAction::triggered, this, &QgsLayoutDesignerDialog::exportToRaster );
+
   connect( mActionShowGrid, &QAction::triggered, this, &QgsLayoutDesignerDialog::showGrid );
   connect( mActionSnapGrid, &QAction::triggered, this, &QgsLayoutDesignerDialog::snapToGrid );
 
@@ -1410,6 +1415,123 @@ void QgsLayoutDesignerDialog::deleteLayout()
   close();
 }
 
+void QgsLayoutDesignerDialog::exportToRaster()
+{
+  if ( containsWmsLayers() )
+    showWmsPrintingWarning();
+
+  // Image size
+  double oneInchInLayoutUnits = mLayout->convertToLayoutUnits( QgsLayoutMeasurement( 1, QgsUnitTypes::LayoutInches ) );
+  QSizeF maxPageSize = mLayout->pageCollection()->maximumPageSize();
+  bool hasUniformPageSizes = mLayout->pageCollection()->hasUniformPageSizes();
+  int width = ( int )( mLayout->context().dpi() * maxPageSize.width() / oneInchInLayoutUnits );
+  int height = ( int )( mLayout->context().dpi() * maxPageSize.height() / oneInchInLayoutUnits );
+  double dpi = mLayout->context().dpi();
+
+  int memuse = width * height * 3 / 1000000;  // pixmap + image
+  QgsDebugMsg( QString( "Image %1x%2" ).arg( width ).arg( height ) );
+  QgsDebugMsg( QString( "memuse = %1" ).arg( memuse ) );
+
+  if ( memuse > 400 )   // about 4500x4500
+  {
+    int answer = QMessageBox::warning( nullptr, tr( "Export layout" ),
+                                       tr( "To create an image of %1x%2 requires about %3 MB of memory. Proceed?" )
+                                       .arg( width ).arg( height ).arg( memuse ),
+                                       QMessageBox::Ok | QMessageBox::Cancel, QMessageBox::Ok );
+
+    raise();
+    if ( answer == QMessageBox::Cancel )
+      return;
+  }
+
+  //get some defaults from the composition
+  bool cropToContents = mLayout->customProperty( QStringLiteral( "imageCropToContents" ), false ).toBool();
+  int marginTop = mLayout->customProperty( QStringLiteral( "imageCropMarginTop" ), 0 ).toInt();
+  int marginRight = mLayout->customProperty( QStringLiteral( "imageCropMarginRight" ), 0 ).toInt();
+  int marginBottom = mLayout->customProperty( QStringLiteral( "imageCropMarginBottom" ), 0 ).toInt();
+  int marginLeft = mLayout->customProperty( QStringLiteral( "imageCropMarginLeft" ), 0 ).toInt();
+
+  QgsLayoutImageExportOptionsDialog imageDlg( this );
+  imageDlg.setImageSize( maxPageSize );
+  imageDlg.setResolution( dpi );
+  imageDlg.setCropToContents( cropToContents );
+  imageDlg.setCropMargins( marginTop, marginRight, marginBottom, marginLeft );
+
+#if 0 //TODO
+  QgsAtlasComposition *atlasMap = &mComposition->atlasComposition();
+#endif
+
+  QString outputFileName;
+#if 0 //TODO
+  if ( atlasMap->enabled() && mComposition->atlasMode() == QgsComposition::PreviewAtlas )
+  {
+    QString lastUsedDir = settings.value( QStringLiteral( "UI/lastSaveAsImageDir" ), QDir::homePath() ).toString();
+    outputFileName = QDir( lastUsedDir ).filePath( atlasMap->currentFilename() );
+  }
+#endif
+
+#ifdef Q_OS_MAC
+  mQgis->activateWindow();
+  this->raise();
+#endif
+  QPair<QString, QString> fileNExt = QgsGuiUtils::getSaveAsImageName( this, tr( "Save layout as" ), outputFileName );
+  this->activateWindow();
+
+  if ( fileNExt.first.isEmpty() )
+  {
+    return;
+  }
+
+  if ( !imageDlg.exec() )
+    return;
+
+  cropToContents = imageDlg.cropToContents();
+  imageDlg.getCropMargins( marginTop, marginRight, marginBottom, marginLeft );
+  mLayout->setCustomProperty( QStringLiteral( "imageCropToContents" ), cropToContents );
+  mLayout->setCustomProperty( QStringLiteral( "imageCropMarginTop" ), marginTop );
+  mLayout->setCustomProperty( QStringLiteral( "imageCropMarginRight" ), marginRight );
+  mLayout->setCustomProperty( QStringLiteral( "imageCropMarginBottom" ), marginBottom );
+  mLayout->setCustomProperty( QStringLiteral( "imageCropMarginLeft" ), marginLeft );
+
+  mView->setPaintingEnabled( false );
+
+  QgsLayoutExporter exporter( mLayout );
+
+  QgsLayoutExporter::ImageExportSettings settings;
+  settings.cropToContents = cropToContents;
+  settings.cropMargins = QgsMargins( marginLeft, marginTop, marginRight, marginBottom );
+  settings.dpi = imageDlg.resolution();
+  if ( hasUniformPageSizes )
+  {
+    settings.imageSize = QSize( imageDlg.imageWidth(), imageDlg.imageHeight() );
+  }
+  settings.generateWorldFile = mLayout->customProperty( QStringLiteral( "exportWorldFile" ), false ).toBool();
+
+  switch ( exporter.exportToImage( fileNExt.first, settings ) )
+  {
+    case QgsLayoutExporter::Success:
+      break;
+
+    case QgsLayoutExporter::FileError:
+      QMessageBox::warning( this, tr( "Image Export Error" ),
+                            QString( tr( "Cannot write to %1.\n\nThis file may be open in another application." ) ).arg( exporter.errorFile() ),
+                            QMessageBox::Ok,
+                            QMessageBox::Ok );
+      break;
+
+    case QgsLayoutExporter::MemoryError:
+      QMessageBox::warning( nullptr, tr( "Memory Allocation Error" ),
+                            tr( "Trying to create image %1 (%2×%3 @ %4dpi ) "
+                                "resulted in a memory overflow.\n\n"
+                                "Please try a lower resolution or a smaller paper size." )
+                            .arg( exporter.errorFile() ).arg( imageDlg.imageWidth() ).arg( imageDlg.imageHeight() ).arg( settings.dpi ),
+                            QMessageBox::Ok, QMessageBox::Ok );
+      break;
+
+  }
+  mView->setPaintingEnabled( true );
+}
+
 void QgsLayoutDesignerDialog::paste()
 {
   QPointF pt = mView->mapFromGlobal( QCursor::pos() );
@@ -1525,6 +1647,36 @@ void QgsLayoutDesignerDialog::initializeRegistry()
 
 }
 
+bool QgsLayoutDesignerDialog::containsWmsLayers() const
+{
+  QList< QgsLayoutItemMap *> maps;
+  mLayout->layoutItems( maps );
+
+  for ( QgsLayoutItemMap *map : qgis::as_const( maps ) )
+  {
+    if ( map->containsWmsLayer() )
+      return true;
+  }
+  return false;
+}
+
+void QgsLayoutDesignerDialog::showWmsPrintingWarning()
+{
+  QgsSettings settings;
+  bool displayWMSWarning = settings.value( QStringLiteral( "/UI/displayComposerWMSWarning" ), true ).toBool();
+  if ( displayWMSWarning )
+  {
+    QgsMessageViewer *m = new QgsMessageViewer( this );
+    m->setWindowTitle( tr( "Project Contains WMS Layers" ) );
+    m->setMessage( tr( "Some WMS servers (e.g. UMN mapserver) have a limit for the WIDTH and HEIGHT parameter. Printing layers from such servers may exceed this limit. If this is the case, the WMS layer will not be printed" ), QgsMessageOutput::MessageText );
+    m->setCheckBoxText( tr( "Don't show this message again" ) );
+    m->setCheckBoxState( Qt::Unchecked );
+    m->setCheckBoxVisible( true );
+    m->setCheckBoxQgsSettingsLabel( QStringLiteral( "/UI/displayComposerWMSWarning" ) );
+    m->exec(); //deleted on close
+  }
+}
+
 void QgsLayoutDesignerDialog::selectItems( const QList<QgsLayoutItem *> items )
 {
   for ( QGraphicsItem *item : items )

src/app/layout/qgslayoutdesignerdialog.h

@@ -274,6 +274,7 @@ class QgsLayoutDesignerDialog: public QMainWindow, private Ui::QgsLayoutDesigner
     void showManager();
     void renameLayout();
     void deleteLayout();
+    void exportToRaster();
 
   private:
 
@@ -360,6 +361,10 @@ class QgsLayoutDesignerDialog: public QMainWindow, private Ui::QgsLayoutDesigner
 
     void initializeRegistry();
 
+    bool containsWmsLayers() const;
+
+    //! Displays a warning because of possible min/max size in WMS
+    void showWmsPrintingWarning();
 };
 
 #endif // QGSLAYOUTDESIGNERDIALOG_H

src/app/layout/qgslayoutimageexportoptionsdialog.cpp

@@ -0,0 +1,167 @@
+/***************************************************************************
+                         qgslayoutimageexportoptionsdialog.cpp
+                         -------------------------------------
+    begin                : December 2017
+    copyright            : (C) 2017 by Nyall Dawson
+    email                : nyall dot dawson 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 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "qgslayoutimageexportoptionsdialog.h"
+#include "qgis.h"
+#include "qgssettings.h"
+#include "qgsgui.h"
+
+#include <QCheckBox>
+#include <QPushButton>
+
+QgsLayoutImageExportOptionsDialog::QgsLayoutImageExportOptionsDialog( QWidget *parent, Qt::WindowFlags flags )
+  : QDialog( parent, flags )
+{
+  setupUi( this );
+  connect( mWidthSpinBox, static_cast < void ( QSpinBox::* )( int ) > ( &QSpinBox::valueChanged ), this, &QgsLayoutImageExportOptionsDialog::mWidthSpinBox_valueChanged );
+  connect( mHeightSpinBox, static_cast < void ( QSpinBox::* )( int ) > ( &QSpinBox::valueChanged ), this, &QgsLayoutImageExportOptionsDialog::mHeightSpinBox_valueChanged );
+  connect( mResolutionSpinBox, static_cast < void ( QSpinBox::* )( int ) > ( &QSpinBox::valueChanged ), this, &QgsLayoutImageExportOptionsDialog::mResolutionSpinBox_valueChanged );
+
+  connect( mClipToContentGroupBox, &QGroupBox::toggled, this, &QgsLayoutImageExportOptionsDialog::clipToContentsToggled );
+
+  QgsGui::instance()->enableAutoGeometryRestore( this );
+}
+
+void QgsLayoutImageExportOptionsDialog::setResolution( double resolution )
+{
+  mResolutionSpinBox->setValue( resolution );
+
+  if ( mImageSize.isValid() )
+  {
+    mWidthSpinBox->blockSignals( true );
+    mHeightSpinBox->blockSignals( true );
+    if ( mClipToContentGroupBox->isChecked() )
+    {
+      mWidthSpinBox->setValue( 0 );
+      mHeightSpinBox->setValue( 0 );
+    }
+    else
+    {
+      mWidthSpinBox->setValue( mImageSize.width() * resolution / 25.4 );
+      mHeightSpinBox->setValue( mImageSize.height() * resolution / 25.4 );
+    }
+    mWidthSpinBox->blockSignals( false );
+    mHeightSpinBox->blockSignals( false );
+  }
+}
+
+double QgsLayoutImageExportOptionsDialog::resolution() const
+{
+  return mResolutionSpinBox->value();
+}
+
+void QgsLayoutImageExportOptionsDialog::setImageSize( QSizeF size )
+{
+  mImageSize = size;
+  mWidthSpinBox->blockSignals( true );
+  mHeightSpinBox->blockSignals( true );
+  mWidthSpinBox->setValue( size.width() * mResolutionSpinBox->value() / 25.4 );
+  mHeightSpinBox->setValue( size.height() * mResolutionSpinBox->value() / 25.4 );
+  mWidthSpinBox->blockSignals( false );
+  mHeightSpinBox->blockSignals( false );
+}
+
+int QgsLayoutImageExportOptionsDialog::imageWidth() const
+{
+  return mWidthSpinBox->value();
+}
+
+int QgsLayoutImageExportOptionsDialog::imageHeight() const
+{
+  return mHeightSpinBox->value();
+}
+
+void QgsLayoutImageExportOptionsDialog::setCropToContents( bool crop )
+{
+  mClipToContentGroupBox->setChecked( crop );
+}
+
+bool QgsLayoutImageExportOptionsDialog::cropToContents() const
+{
+  return mClipToContentGroupBox->isChecked();
+}
+
+void QgsLayoutImageExportOptionsDialog::getCropMargins( int &topMargin, int &rightMargin, int &bottomMargin, int &leftMargin ) const
+{
+  topMargin = mTopMarginSpinBox->value();
+  rightMargin = mRightMarginSpinBox->value();
+  bottomMargin = mBottomMarginSpinBox->value();
+  leftMargin = mLeftMarginSpinBox->value();
+}
+
+void QgsLayoutImageExportOptionsDialog::setCropMargins( int topMargin, int rightMargin, int bottomMargin, int leftMargin )
+{
+  mTopMarginSpinBox->setValue( topMargin );
+  mRightMarginSpinBox->setValue( rightMargin );
+  mBottomMarginSpinBox->setValue( bottomMargin );
+  mLeftMarginSpinBox->setValue( leftMargin );
+}
+
+void QgsLayoutImageExportOptionsDialog::mWidthSpinBox_valueChanged( int value )
+{
+  mHeightSpinBox->blockSignals( true );
+  mResolutionSpinBox->blockSignals( true );
+  mHeightSpinBox->setValue( mImageSize.height() * value / mImageSize.width() );
+  mResolutionSpinBox->setValue( value * 25.4 / mImageSize.width() );
+  mHeightSpinBox->blockSignals( false );
+  mResolutionSpinBox->blockSignals( false );
+}
+
+void QgsLayoutImageExportOptionsDialog::mHeightSpinBox_valueChanged( int value )
+{
+  mWidthSpinBox->blockSignals( true );
+  mResolutionSpinBox->blockSignals( true );
+  mWidthSpinBox->setValue( mImageSize.width() * value / mImageSize.height() );
+  mResolutionSpinBox->setValue( value * 25.4 / mImageSize.height() );
+  mWidthSpinBox->blockSignals( false );
+  mResolutionSpinBox->blockSignals( false );
+}
+
+void QgsLayoutImageExportOptionsDialog::mResolutionSpinBox_valueChanged( int value )
+{
+  mWidthSpinBox->blockSignals( true );
+  mHeightSpinBox->blockSignals( true );
+  if ( mClipToContentGroupBox->isChecked() )
+  {
+    mWidthSpinBox->setValue( 0 );
+    mHeightSpinBox->setValue( 0 );
+  }
+  else
+  {
+    mWidthSpinBox->setValue( mImageSize.width() * value / 25.4 );
+    mHeightSpinBox->setValue( mImageSize.height() * value / 25.4 );
+  }
+  mWidthSpinBox->blockSignals( false );
+  mHeightSpinBox->blockSignals( false );
+}
+
+void QgsLayoutImageExportOptionsDialog::clipToContentsToggled( bool state )
+{
+  mWidthSpinBox->setEnabled( !state );
+  mHeightSpinBox->setEnabled( !state );
+
+  if ( state )
+  {
+    whileBlocking( mWidthSpinBox )->setValue( 0 );
+    whileBlocking( mHeightSpinBox )->setValue( 0 );
+  }
+  else
+  {
+    whileBlocking( mWidthSpinBox )->setValue( mImageSize.width() * mResolutionSpinBox->value() / 25.4 );
+    whileBlocking( mHeightSpinBox )->setValue( mImageSize.height() * mResolutionSpinBox->value() / 25.4 );
+  }
+}

src/app/layout/qgslayoutimageexportoptionsdialog.h

@@ -0,0 +1,119 @@
+/***************************************************************************
+                         qgslayoutimageexportoptionsdialog.h
+                         -------------------------------------
+    begin                : December 2017
+    copyright            : (C) 2017 by Nyall Dawson
+    email                : nyall dot dawson 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 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef QGSLAYOUTIMAGEEXPORTOPTIONSDIALOG_H
+#define QGSLAYOUTIMAGEEXPORTOPTIONSDIALOG_H
+
+#include <QDialog>
+#include "ui_qgslayoutimageexportoptions.h"
+
+
+/**
+ * A dialog for customising the properties of an exported image file.
+*/
+class QgsLayoutImageExportOptionsDialog: public QDialog, private Ui::QgsLayoutImageExportOptionsDialog
+{
+    Q_OBJECT
+
+  public:
+
+    /**
+     * Constructor for QgsLayoutImageExportOptionsDialog
+     * \param parent parent widget
+     * \param flags window flags
+     */
+    QgsLayoutImageExportOptionsDialog( QWidget *parent = nullptr, Qt::WindowFlags flags = 0 );
+
+    /**
+     * Sets the initial resolution displayed in the dialog.
+     * \param resolution default resolution in DPI
+     * \see resolution()
+     */
+    void setResolution( double resolution );
+
+    /**
+     * Returns the selected resolution from the dialog.
+     * \returns image resolution in DPI
+     * \see setResolution()
+     */
+    double resolution() const;
+
+    /**
+     * Sets the target image size. This is used to calculate the default size in pixels
+     * and also for determining the image's width to height ratio.
+     * \param size image size
+     */
+    void setImageSize( QSizeF size );
+
+    /**
+     * Returns the user-set image width in pixels.
+     * \see imageHeight
+     */
+    int imageWidth() const;
+
+    /**
+     * Returns the user-set image height in pixels.
+     * \see imageWidth
+     */
+    int imageHeight() const;
+
+    /**
+     * Sets whether the crop to contents option should be checked in the dialog
+     * \param crop set to true to check crop to contents
+     * \see cropToContents()
+     */
+    void setCropToContents( bool crop );
+
+    /**
+     * Returns whether the crop to contents option is checked in the dialog.
+     * \see setCropToContents()
+     */
+    bool cropToContents() const;
+
+    /**
+     * Fetches the current crop to contents margin values, in pixels.
+     * \param topMargin destination for top margin
+     * \param rightMargin destination for right margin
+     * \param bottomMargin destination for bottom margin
+     * \param leftMargin destination for left margin
+     */
+    void getCropMargins( int &topMargin, int &rightMargin, int &bottomMargin, int &leftMargin ) const;
+
+    /**
+     * Sets the current crop to contents margin values, in pixels.
+     * \param topMargin top margin
+     * \param rightMargin right margin
+     * \param bottomMargin bottom margin
+     * \param leftMargin left margin
+     */
+    void setCropMargins( int topMargin, int rightMargin, int bottomMargin, int leftMargin );
+
+  private slots:
+
+    void mWidthSpinBox_valueChanged( int value );
+    void mHeightSpinBox_valueChanged( int value );
+    void mResolutionSpinBox_valueChanged( int value );
+    void clipToContentsToggled( bool state );
+
+  private:
+
+    QSizeF mImageSize;
+
+
+};
+
+#endif // QGSLAYOUTIMAGEEXPORTOPTIONSDIALOG_H

src/app/layout/qgslayoutpropertieswidget.cpp

@@ -56,6 +56,7 @@ QgsLayoutPropertiesWidget::QgsLayoutPropertiesWidget( QWidget *parent, QgsLayout
 
   bool exportWorldFile = mLayout->customProperty( QStringLiteral( "exportWorldFile" ), false ).toBool();
   mGenerateWorldFileCheckBox->setChecked( exportWorldFile );
+  connect( mGenerateWorldFileCheckBox, &QCheckBox::toggled, this, &QgsLayoutPropertiesWidget::worldFileToggled );
 
   mTopMarginSpinBox->setValue( topMargin );
   mMarginUnitsComboBox->linkToWidget( mTopMarginSpinBox );

src/ui/layout/qgslayoutdesignerbase.ui

@@ -69,6 +69,10 @@
    <addaction name="mActionLayoutManager"/>
    <addaction name="mActionLoadFromTemplate"/>
    <addaction name="mActionSaveAsTemplate"/>
+   <addaction name="separator"/>
+   <addaction name="mActionExportAsImage"/>
+   <addaction name="mActionExportAsSVG"/>
+   <addaction name="mActionExportAsPDF"/>
   </widget>
   <widget class="QToolBar" name="mToolsToolbar">
    <property name="windowTitle">
@@ -113,6 +117,10 @@
     <addaction name="mActionLoadFromTemplate"/>
     <addaction name="mActionSaveAsTemplate"/>
     <addaction name="separator"/>
+    <addaction name="mActionExportAsImage"/>
+    <addaction name="mActionExportAsSVG"/>
+    <addaction name="mActionExportAsPDF"/>
+    <addaction name="separator"/>
     <addaction name="mActionClose"/>
    </widget>
    <widget class="QMenu" name="mItemMenu">
@@ -1173,6 +1181,36 @@
     <string>Delete layout</string>
    </property>
   </action>
+  <action name="mActionExportAsImage">
+   <property name="icon">
+    <iconset resource="../../../images/images.qrc">
+     <normaloff>:/images/themes/default/mActionSaveMapAsImage.svg</normaloff>:/images/themes/default/mActionSaveMapAsImage.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Export as &amp;Image…</string>
+   </property>
+   <property name="toolTip">
+    <string>Export as image</string>
+   </property>
+  </action>
+  <action name="mActionExportAsPDF">
+   <property name="icon">
+    <iconset resource="../../../images/images.qrc">
+     <normaloff>:/images/themes/default/mActionSaveAsPDF.svg</normaloff>:/images/themes/default/mActionSaveAsPDF.svg</iconset>
+   </property>
+   <property name="text">
+    <string>&amp;Export as PDF…</string>
+   </property>
+  </action>
+  <action name="mActionExportAsSVG">
+   <property name="icon">
+    <iconset resource="../../../images/images.qrc">
+     <normaloff>:/images/themes/default/mActionSaveAsSVG.svg</normaloff>:/images/themes/default/mActionSaveAsSVG.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Export as S&amp;VG…</string>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="../../../images/images.qrc"/>

src/ui/layout/qgslayoutimageexportoptions.ui

@@ -0,0 +1,320 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>QgsLayoutImageExportOptionsDialog</class>
+ <widget class="QDialog" name="QgsLayoutImageExportOptionsDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>533</width>
+    <height>651</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Image Export Options</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QGroupBox" name="groupBox">
+     <property name="title">
+      <string>Export options</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout">
+      <item row="0" column="0" colspan="2">
+       <widget class="QLabel" name="label_9">
+        <property name="text">
+         <string>Export resolution</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="0" colspan="2">
+       <widget class="QLabel" name="label_13">
+        <property name="text">
+         <string>Page height</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="2" colspan="2">
+       <widget class="QgsSpinBox" name="mResolutionSpinBox">
+        <property name="suffix">
+         <string> dpi</string>
+        </property>
+        <property name="prefix">
+         <string/>
+        </property>
+        <property name="maximum">
+         <number>3000</number>
+        </property>
+        <property name="showClearButton" stdset="0">
+         <bool>false</bool>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="2" colspan="2">
+       <widget class="QgsSpinBox" name="mWidthSpinBox">
+        <property name="specialValueText">
+         <string>Auto</string>
+        </property>
+        <property name="suffix">
+         <string> px</string>
+        </property>
+        <property name="prefix">
+         <string/>
+        </property>
+        <property name="minimum">
+         <number>0</number>
+        </property>
+        <property name="maximum">
+         <number>99999999</number>
+        </property>
+        <property name="showClearButton" stdset="0">
+         <bool>false</bool>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="0">
+       <widget class="QLabel" name="label_10">
+        <property name="text">
+         <string>Page width</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="2" colspan="2">
+       <widget class="QgsSpinBox" name="mHeightSpinBox">
+        <property name="specialValueText">
+         <string>Auto</string>
+        </property>
+        <property name="suffix">
+         <string> px</string>
+        </property>
+        <property name="prefix">
+         <string/>
+        </property>
+        <property name="minimum">
+         <number>0</number>
+        </property>
+        <property name="maximum">
+         <number>99999999</number>
+        </property>
+        <property name="showClearButton" stdset="0">
+         <bool>false</bool>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="4">
+       <spacer name="horizontalSpacer_3">
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+        <property name="sizeHint" stdset="0">
+         <size>
+          <width>40</width>
+          <height>20</height>
+         </size>
+        </property>
+       </spacer>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QgsCollapsibleGroupBoxBasic" name="mClipToContentGroupBox">
+     <property name="title">
+      <string>Crop to content</string>
+     </property>
+     <property name="checkable">
+      <bool>true</bool>
+     </property>
+     <property name="checked">
+      <bool>false</bool>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_5">
+      <item>
+       <layout class="QGridLayout" name="gridLayout_5">
+        <item row="1" column="0" colspan="4">
+         <layout class="QHBoxLayout" name="horizontalLayout_7">
+          <item>
+           <widget class="QLabel" name="label_5">
+            <property name="text">
+             <string>Left</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QgsSpinBox" name="mLeftMarginSpinBox">
+            <property name="suffix">
+             <string> px</string>
+            </property>
+            <property name="maximum">
+             <number>1000</number>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QLabel" name="label_11">
+            <property name="text">
+             <string>Right</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QgsSpinBox" name="mRightMarginSpinBox">
+            <property name="suffix">
+             <string> px</string>
+            </property>
+            <property name="maximum">
+             <number>1000</number>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
+        <item row="2" column="1">
+         <widget class="QLabel" name="label_12">
+          <property name="text">
+           <string>Bottom</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="1">
+         <widget class="QLabel" name="label_4">
+          <property name="text">
+           <string>Top margin</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="3">
+         <spacer name="horizontalSpacer_2">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+        <item row="0" column="0">
+         <spacer name="horizontalSpacer">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+        <item row="0" column="2">
+         <widget class="QgsSpinBox" name="mTopMarginSpinBox">
+          <property name="suffix">
+           <string> px</string>
+          </property>
+          <property name="maximum">
+           <number>1000</number>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="2">
+         <widget class="QgsSpinBox" name="mBottomMarginSpinBox">
+          <property name="suffix">
+           <string> px</string>
+          </property>
+          <property name="maximum">
+           <number>1000</number>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Save</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>QgsCollapsibleGroupBoxBasic</class>
+   <extends>QGroupBox</extends>
+   <header>qgscollapsiblegroupbox.h</header>
+   <container>1</container>
+  </customwidget>
+  <customwidget>
+   <class>QgsSpinBox</class>
+   <extends>QSpinBox</extends>
+   <header>qgsspinbox.h</header>
+  </customwidget>
+ </customwidgets>
+ <tabstops>
+  <tabstop>mResolutionSpinBox</tabstop>
+  <tabstop>mWidthSpinBox</tabstop>
+  <tabstop>mHeightSpinBox</tabstop>
+  <tabstop>mClipToContentGroupBox</tabstop>
+  <tabstop>mTopMarginSpinBox</tabstop>
+  <tabstop>mLeftMarginSpinBox</tabstop>
+  <tabstop>mRightMarginSpinBox</tabstop>
+  <tabstop>mBottomMarginSpinBox</tabstop>
+ </tabstops>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>QgsLayoutImageExportOptionsDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>QgsLayoutImageExportOptionsDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>