fenix/PDF4QT
1
0
Fork 0
mirror of https://github.com/JakubMelka/PDF4QT.git synced 2025-06-05 21:59:17 +02:00
Code Issues Packages Projects Releases Wiki Activity

Better handling composite fonts

Browse Source
This commit is contained in:
Jakub Melka
2019-04-30 18:38:27 +02:00
parent 4d770fdfcf
commit 8667cbbf90
4 changed files with 89 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
PdfForQtLib/sources/pdffont.h
View File

@@ -25,6 +25,8 @@
#include <QFont>
#include <QSharedPointer>
#include <unordered_map>
class QPainterPath;
namespace pdf
@@ -282,8 +284,8 @@ public:
const encoding::EncodingTable* getEncoding() const { return &m_encoding; }
const GlyphIndices* getGlyphIndices() const { return &m_glyphIndices; }
/// Returns the glyph width (or zero, if glyph width is invalid)
PDFInteger getGlyphWidth(size_t index) const;
/// Returns the glyph advance (or zero, if glyph advance is invalid)
PDFInteger getGlyphAdvance(size_t index) const;
protected:
QByteArray m_name;
@@ -466,10 +468,12 @@ private:
class PDFType0Font : public PDFFont
{
public:
explicit inline PDFType0Font(FontDescriptor fontDescriptor, PDFFontCMap cmap, PDFCIDtoGIDMapper mapper) :
explicit inline PDFType0Font(FontDescriptor fontDescriptor, PDFFontCMap cmap, PDFCIDtoGIDMapper mapper, PDFReal defaultAdvance, std::unordered_map<CID, PDFReal> advances) :
PDFFont(qMove(fontDescriptor)),
m_cmap(qMove(cmap)),
m_mapper(qMove(mapper))
m_mapper(qMove(mapper)),
m_defaultAdvance(defaultAdvance),
m_advances(qMove(advances))
{
}
@@ -481,9 +485,16 @@ public:
const PDFFontCMap* getCMap() const { return &m_cmap; }
const PDFCIDtoGIDMapper* getCIDtoGIDMapper() const { return &m_mapper; }
/// Returns the glyph advance, if it can be obtained, or zero, if it cannot
/// be obtained or error occurs.
/// \param cid CID of the glyph
PDFReal getGlyphAdvance(CID cid) const;
private:
PDFFontCMap m_cmap;
PDFCIDtoGIDMapper m_mapper;
PDFReal m_defaultAdvance;
std::unordered_map<CID, PDFReal> m_advances;
};
/// Repository with predefined CMaps