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Precompiled pages

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This commit is contained in:
Jakub Melka
2019-12-14 14:39:43 +01:00
parent 1b7fba2f78
commit 0277a9f059
5 changed files with 725 additions and 218 deletions
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59
PdfForQtLib/sources/pdfrenderer.cpp
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@ -19,6 +19,8 @@
#include "pdfpainter.h"
#include "pdfdocument.h"
#include <QElapsedTimer>
namespace pdf
{
@ -36,21 +38,8 @@ PDFRenderer::PDFRenderer(const PDFDocument* document,
Q_ASSERT(document);
}
QList<PDFRenderError> PDFRenderer::render(QPainter* painter, const QRectF& rectangle, size_t pageIndex) const
QMatrix PDFRenderer::createPagePointToDevicePointMatrix(const PDFPage* page, const QRectF& rectangle) const
{
Q_UNUSED(painter);
Q_UNUSED(rectangle);
const PDFCatalog* catalog = m_document->getCatalog();
if (pageIndex >= catalog->getPageCount() || !catalog->getPage(pageIndex))
{
// Invalid page index
return { PDFRenderError(RenderErrorType::Error, PDFTranslationContext::tr("Page %1 doesn't exist.").arg(pageIndex + 1)) };
}
const PDFPage* page = catalog->getPage(pageIndex);
Q_ASSERT(page);
QRectF mediaBox = page->getRotatedMediaBox();
QMatrix matrix;
@ -94,14 +83,29 @@ QList<PDFRenderError> PDFRenderer::render(QPainter* painter, const QRectF& recta
}
}
return matrix;
}
QList<PDFRenderError> PDFRenderer::render(QPainter* painter, const QRectF& rectangle, size_t pageIndex) const
{
const PDFCatalog* catalog = m_document->getCatalog();
if (pageIndex >= catalog->getPageCount() || !catalog->getPage(pageIndex))
{
// Invalid page index
return { PDFRenderError(RenderErrorType::Error, PDFTranslationContext::tr("Page %1 doesn't exist.").arg(pageIndex + 1)) };
}
const PDFPage* page = catalog->getPage(pageIndex);
Q_ASSERT(page);
QMatrix matrix = createPagePointToDevicePointMatrix(page, rectangle);
PDFPainter processor(painter, m_features, matrix, page, m_document, m_fontCache, m_optionalContentActivity, m_meshQualitySettings);
return processor.processContents();
}
QList<PDFRenderError> PDFRenderer::render(QPainter* painter, const QMatrix& matrix, size_t pageIndex) const
{
Q_UNUSED(painter);
const PDFCatalog* catalog = m_document->getCatalog();
if (pageIndex >= catalog->getPageCount() || !catalog->getPage(pageIndex))
{
@ -116,4 +120,27 @@ QList<PDFRenderError> PDFRenderer::render(QPainter* painter, const QMatrix& matr
return processor.processContents();
}
void PDFRenderer::compile(PDFPrecompiledPage* precompiledPage, size_t pageIndex) const
{
const PDFCatalog* catalog = m_document->getCatalog();
if (pageIndex >= catalog->getPageCount() || !catalog->getPage(pageIndex))
{
// Invalid page index
precompiledPage->finalize(0, { PDFRenderError(RenderErrorType::Error, PDFTranslationContext::tr("Page %1 doesn't exist.").arg(pageIndex + 1)) });
return;
}
const PDFPage* page = catalog->getPage(pageIndex);
Q_ASSERT(page);
QElapsedTimer timer;
timer.start();
PDFPrecompiledPageGenerator generator(precompiledPage, m_features, page, m_document, m_fontCache, m_optionalContentActivity, m_meshQualitySettings);
QList<PDFRenderError> errors = generator.processContents();
precompiledPage->optimize();
precompiledPage->finalize(timer.nsecsElapsed(), qMove(errors));
timer.invalidate();
}
} // namespace pdf