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XFA: form pagination

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This commit is contained in:
Jakub Melka
2021-12-12 20:10:48 +01:00
parent 38bc1f40fc
commit ecd04a8668
7 changed files with 109 additions and 2 deletions
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27
Pdf4QtLib/sources/pdfxfaengine.cpp
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@ -9679,8 +9679,11 @@ public:
using LayoutItems = std::vector<LayoutItem>;
void setLayoutItems(PDFInteger pageIndex, LayoutItems layoutItems) { m_layout.layoutItems[pageIndex] = std::move(layoutItems); }
void setParagraphSettings(std::vector<xfa::XFA_ParagraphSettings> paragraphSettings) { m_layout.paragraphSettings = std::move(paragraphSettings); }
std::vector<QSizeF> getPageSizes() const { return m_layout.pageSizes; }
inline void setPageSizes(std::vector<QSizeF> pageSizes) { m_layout.pageSizes = std::move(pageSizes); }
inline void setLayoutItems(PDFInteger pageIndex, LayoutItems layoutItems) { m_layout.layoutItems[pageIndex] = std::move(layoutItems); }
inline void setParagraphSettings(std::vector<xfa::XFA_ParagraphSettings> paragraphSettings) { m_layout.paragraphSettings = std::move(paragraphSettings); }
void draw(const QMatrix& pagePointToDevicePointMatrix,
const PDFPage* page,
@ -9691,6 +9694,7 @@ private:
struct Layout
{
std::vector<QSizeF> pageSizes;
std::map<PDFInteger, LayoutItems> layoutItems;
std::vector<xfa::XFA_ParagraphSettings> paragraphSettings;
};
@ -10648,6 +10652,7 @@ void PDFXFALayoutEngine::performLayout(PDFXFAEngineImpl* engine, const xfa::XFA_
node->accept(this);
std::vector<QSizeF> pageSizes;
std::map<PDFInteger, std::vector<Layout>> layoutPerPage;
for (Layout& layout : m_layout)
@ -10661,6 +10666,8 @@ void PDFXFALayoutEngine::performLayout(PDFXFAEngineImpl* engine, const xfa::XFA_
layoutPerPage[layout.pageIndex].emplace_back(std::move(layout));
}
pageSizes.reserve(layoutPerPage.size());
PDFInteger pageIndex = 0;
for (const auto& layoutSinglePage : layoutPerPage)
{
@ -10688,9 +10695,13 @@ void PDFXFALayoutEngine::performLayout(PDFXFAEngineImpl* engine, const xfa::XFA_
}
}
const PageInfo& pageInfo = m_pages.at(layoutSinglePage.first);
pageSizes.push_back(pageInfo.mediaBox.size());
engine->setLayoutItems(pageIndex++, std::move(layoutItems));
}
engine->setPageSizes(std::move(pageSizes));
engine->setParagraphSettings(std::move(m_paragraphSettings));
}
@ -11364,6 +11375,11 @@ void PDFXFAEngine::setDocument(const PDFModifiedDocument& document, PDFForm* for
m_impl->setDocument(document, form);
}
std::vector<QSizeF> PDFXFAEngine::getPageSizes() const
{
return m_impl->getPageSizes();
}
void PDFXFAEngine::draw(const QMatrix& pagePointToDevicePointMatrix,
const PDFPage* page,
QList<PDFRenderError>& errors,
@ -11381,6 +11397,13 @@ PDFXFAEngineImpl::PDFXFAEngineImpl() :
void PDFXFAEngineImpl::setDocument(const PDFModifiedDocument& document, PDFForm* form)
{
if (document.hasFlag(PDFModifiedDocument::XFA_Pagination))
{
// Do nothing - pagination of XFA was performed,
// nothing else has changed.
return;
}
if (m_document != document || document.hasReset())
{
m_document = document;