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Issue #45: Blank page in DocPage Organizer

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This commit is contained in:
Jakub Melka 2023-04-01 20:06:59 +02:00
parent 9a064508ab
commit 238e275e46
2 changed files with 4 additions and 2 deletions
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5
Pdf4QtDocPageOrganizer/pageitemdelegate.cpp
View File

@ -37,7 +37,7 @@ PageItemDelegate::PageItemDelegate(PageItemModel* model, QObject* parent) :
m_rasterizer = new pdf::PDFRasterizer(this); m_rasterizer = new pdf::PDFRasterizer(this);
QSurfaceFormat format; QSurfaceFormat format;
format.setSamples(16); format.setSamples(16);
m_rasterizer->reset(true, format); m_rasterizer->reset(false, format);
} }
PageItemDelegate::~PageItemDelegate() PageItemDelegate::~PageItemDelegate()
@ -56,6 +56,7 @@ void PageItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& opti
QRect rect = option.rect; QRect rect = option.rect;
m_dpiScaleRatio = option.widget->devicePixelRatioF();
QSize scaledSize = pdf::PDFWidgetUtils::scaleDPI(option.widget, m_pageImageSize); QSize scaledSize = pdf::PDFWidgetUtils::scaleDPI(option.widget, m_pageImageSize);
int verticalSpacing = pdf::PDFWidgetUtils::scaleDPI_y(option.widget, getVerticalSpacing()); int verticalSpacing = pdf::PDFWidgetUtils::scaleDPI_y(option.widget, getVerticalSpacing());
int horizontalSpacing = pdf::PDFWidgetUtils::scaleDPI_x(option.widget, getHorizontalSpacing()); int horizontalSpacing = pdf::PDFWidgetUtils::scaleDPI_x(option.widget, getHorizontalSpacing());
@ -191,7 +192,7 @@ QPixmap PageItemDelegate::getPageImagePixmap(const PageGroupItem* item, QRect re
pdf::PDFRenderer renderer(&document, &fontCache, cms.data(), &optionalContentActivity, pdf::PDFRenderer::getDefaultFeatures(), pdf::PDFMeshQualitySettings()); pdf::PDFRenderer renderer(&document, &fontCache, cms.data(), &optionalContentActivity, pdf::PDFRenderer::getDefaultFeatures(), pdf::PDFMeshQualitySettings());
renderer.compile(&compiledPage, pageIndex); renderer.compile(&compiledPage, pageIndex);
QSize imageSize = rect.size(); QSize imageSize = rect.size() * m_dpiScaleRatio;
QImage pageImage = m_rasterizer->render(pageIndex, page, &compiledPage, imageSize, pdf::PDFRenderer::getDefaultFeatures(), nullptr, groupItem.pageAdditionalRotation); QImage pageImage = m_rasterizer->render(pageIndex, page, &compiledPage, imageSize, pdf::PDFRenderer::getDefaultFeatures(), nullptr, groupItem.pageAdditionalRotation);
pixmap = QPixmap::fromImage(qMove(pageImage)); pixmap = QPixmap::fromImage(qMove(pageImage));
} }

1
Pdf4QtDocPageOrganizer/pageitemdelegate.h
View File

@ -55,6 +55,7 @@ private:
PageItemModel* m_model; PageItemModel* m_model;
QSize m_pageImageSize; QSize m_pageImageSize;
pdf::PDFRasterizer* m_rasterizer; pdf::PDFRasterizer* m_rasterizer;
mutable double m_dpiScaleRatio = 1.0;
}; };
} // namespace pdfdocpage } // namespace pdfdocpage