Add export quality setting

qgis · Oct 22, 2024 · 4345210 · 4345210
1 parent 24e8ee6
commit 4345210
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diff --git a/python/PyQt6/core/auto_generated/layout/qgslayoutexporter.sip.in b/python/PyQt6/core/auto_generated/layout/qgslayoutexporter.sip.in
@@ -24,6 +24,7 @@ Handles rendering and exports of layouts to various formats.
 
 
 
+
  struct PageExportDetails
  {
  QString directory;

diff --git a/python/core/auto_generated/layout/qgslayoutexporter.sip.in b/python/core/auto_generated/layout/qgslayoutexporter.sip.in
@@ -24,6 +24,7 @@ Handles rendering and exports of layouts to various formats.
 
 
 
+
  struct PageExportDetails
  {
  QString directory;

diff --git a/src/app/layout/qgslayoutdesignerdialog.cpp b/src/app/layout/qgslayoutdesignerdialog.cpp
@@ -4375,6 +4375,7 @@ bool QgsLayoutDesignerDialog::getRasterExportSettings( QgsLayoutExporter::ImageE
  imageDlg.setGenerateWorldFile( mLayout->customProperty( QStringLiteral( "exportWorldFile" ), false ).toBool() );
  imageDlg.setAntialiasing( antialias );
  imageDlg.setOpenAfterExporting( QgsLayoutExporter::settingOpenAfterExportingImage->value() );
+ imageDlg.setQuality( QgsLayoutExporter::settingImageQuality->value() );
 
  if ( !imageDlg.exec() )
  return false;
@@ -4410,6 +4411,10 @@ bool QgsLayoutDesignerDialog::getRasterExportSettings( QgsLayoutExporter::ImageE
  settings.flags &= ~QgsLayoutRenderContext::FlagAntialiasing;
 
  settings.quality = imageDlg.quality();
+ if ( settings.quality != -1 )
+ {
+ QgsLayoutExporter::settingImageQuality->setValue( imageDlg.quality() );
+ }
 
  return true;
 }

diff --git a/src/core/layout/qgslayoutexporter.cpp b/src/core/layout/qgslayoutexporter.cpp
@@ -155,6 +155,7 @@ class LayoutItemHider
 const QgsSettingsEntryBool *QgsLayoutExporter::settingOpenAfterExportingImage = new QgsSettingsEntryBool( QStringLiteral( "open-after-exporting-image" ), QgsSettingsTree::sTreeLayout, false, QObject::tr( "Whether to open the exported image file with the default viewer after exporting a print layout" ) );
 const QgsSettingsEntryBool *QgsLayoutExporter::settingOpenAfterExportingPdf = new QgsSettingsEntryBool( QStringLiteral( "open-after-exporting-pdf" ), QgsSettingsTree::sTreeLayout, false, QObject::tr( "Whether to open the exported PDF file with the default viewer after exporting a print layout" ) );
 const QgsSettingsEntryBool *QgsLayoutExporter::settingOpenAfterExportingSvg = new QgsSettingsEntryBool( QStringLiteral( "open-after-exporting-svg" ), QgsSettingsTree::sTreeLayout, false, QObject::tr( "Whether to open the exported SVG file with the default viewer after exporting a print layout" ) );
+const QgsSettingsEntryInteger *QgsLayoutExporter::settingImageQuality = new QgsSettingsEntryInteger( QStringLiteral( "image-quality" ), QgsSettingsTree::sTreeLayout, 90, QObject::tr( "Image quality for lossy formats (e.g. JPEG)" ) );
 
 QgsLayoutExporter::QgsLayoutExporter( QgsLayout *layout )
  : mLayout( layout )

diff --git a/src/core/layout/qgslayoutexporter.h b/src/core/layout/qgslayoutexporter.h
@@ -41,6 +41,7 @@ class QgsAbstractLayoutIterator;
 class QgsFeedback;
 class QgsLabelingResults;
 class QgsSettingsEntryBool;
+class QgsSettingsEntryInteger;
 
 /**
  * \ingroup core
@@ -61,6 +62,9 @@ class CORE_EXPORT QgsLayoutExporter
  //! Settings entry - Whether to automatically open svgs after exporting them \since QGIS 3.34
  static const QgsSettingsEntryBool *settingOpenAfterExportingSvg SIP_SKIP;
 
+ //! Settings entry - Image quality for lossy formats \since QGIS 3.42
+ static const QgsSettingsEntryInteger *settingImageQuality SIP_SKIP;
+
  //! Contains details of a page being exported by the class
  struct PageExportDetails
  {