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Implementation of optional content in content processor (without XObjects)

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This commit is contained in:
Jakub Melka
2019-07-04 17:52:38 +02:00
parent e04222fb0b
commit 584211bf36
15 changed files with 623 additions and 37 deletions
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18
PdfForQtLib/sources/pdfdrawspacecontroller.h
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@ -47,9 +47,11 @@ public:
virtual ~PDFDrawSpaceController() override;
/// Sets the document and recalculates the draw space. Document can be nullptr,
/// in that case, draw space is cleared.
/// in that case, draw space is cleared. Optional content activity can be nullptr,
/// in that case, no content is suppressed.
/// \param document Document
void setDocument(const PDFDocument* document);
/// \param optionalContentActivity Optional content activity
void setDocument(const PDFDocument* document, const PDFOptionalContentActivity* optionalContentActivity);
/// Sets the page layout. Page layout can be one of the PDF's page layouts.
/// \param pageLayout Page layout
@ -93,8 +95,12 @@ public:
/// Returns the font cache
const PDFFontCache* getFontCache() const { return &m_fontCache; }
/// Returns optional content activity
const PDFOptionalContentActivity* getOptionalContentActivity() const { return m_optionalContentActivity; }
signals:
void drawSpaceChanged();
void repaintNeeded();
private:
/// Recalculates the draw space. Preserves setted page rotation.
@ -118,6 +124,7 @@ private:
static constexpr size_t REALIZED_FONT_CACHE_LIMIT = 128;
const PDFDocument* m_document;
const PDFOptionalContentActivity* m_optionalContentActivity;
PageLayout m_pageLayoutMode;
LayoutItems m_layoutItems;
@ -140,9 +147,11 @@ public:
virtual ~PDFDrawWidgetProxy() override;
/// Sets the document and updates the draw space. Document can be nullptr,
/// in that case, draw space is cleared.
/// in that case, draw space is cleared. Optional content activity can be nullptr,
/// in that case, no content is suppressed.
/// \param document Document
void setDocument(const PDFDocument* document);
/// \param optionalContentActivity Optional content activity
void setDocument(const PDFDocument* document, const PDFOptionalContentActivity* optionalContentActivity);
void init(PDFWidget* widget);
@ -208,6 +217,7 @@ signals:
void drawSpaceChanged();
void pageLayoutChanged();
void renderingError(PDFInteger pageIndex, const QList<PDFRenderError>& errors);
void repaintNeeded();
private:
struct LayoutItem