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

Issue #83: Is it possible to specify a default font for a pdf when the font is not load or recognize?

Browse Source
This commit is contained in:
Jakub Melka
2023-09-29 18:08:52 +02:00
parent c2c03a358f
commit a29a35e029
2 changed files with 191 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
Pdf4QtLib/sources/pdffont.h
View File

@ -171,6 +171,13 @@ static constexpr PDFEncoding::Encoding getEncodingForStandardFont(StandardFontTy
}
}
struct PDF4QTLIBSHARED_EXPORT CIDSystemInfo
{
QByteArray registry;
QByteArray ordering;
int supplement = 0;
};
struct PDF4QTLIBSHARED_EXPORT FontDescriptor
{
bool isEmbedded() const { return !fontFile.isEmpty() || !fontFile2.isEmpty() || !fontFile3.isEmpty(); }
@ -178,6 +185,16 @@ struct PDF4QTLIBSHARED_EXPORT FontDescriptor
/// Returns embedded font data, or nullptr, if font is not embedded
const QByteArray* getEmbeddedFontData() const;
bool isFixedPitch() const { return flags & 1 << 0; }
bool isSerif() const { return flags & 1 << 1; }
bool isSymbolic() const { return flags & 1 << 2; }
bool isScript() const { return flags & 1 << 3; }
bool isNonSymbolic() const { return flags & 1 << 5; }
bool isItalic() const { return flags & 1 << 6; }
bool isAllCap() const { return flags & 1 << 16; }
bool isSmallCap() const { return flags & 1 << 17; }
bool isForceBold() const { return flags & 1 << 18; }
QByteArray fontName;
QByteArray fontFamily;
QFont::Stretch fontStretch = QFont::AnyStretch;
@ -267,7 +284,7 @@ private:
class PDF4QTLIBSHARED_EXPORT PDFFont
{
public:
explicit PDFFont(FontDescriptor fontDescriptor);
explicit PDFFont(CIDSystemInfo CIDSystemInfo, FontDescriptor fontDescriptor);
virtual ~PDFFont() = default;
/// Returns the font type
@ -282,6 +299,9 @@ public:
/// Returns font descriptor
const FontDescriptor* getFontDescriptor() const { return &m_fontDescriptor; }
/// Returns CID system info
const CIDSystemInfo* getCIDSystemInfo() const { return &m_CIDSystemInfo; }
/// Adds information about the font into tree item
virtual void dumpFontToTreeItem(QTreeWidgetItem* item) const { Q_UNUSED(item); }
@ -295,7 +315,13 @@ public:
/// \param document Document
static FontDescriptor readFontDescriptor(const PDFObject& fontDescriptorObject, const PDFDocument* document);
/// Tries to read CID SystemInfo from the object
/// \param cidSystemInfoObject CID System Info dictionary
/// \param document Document
static CIDSystemInfo readCIDSystemInfo(const PDFObject& cidSystemInfoObject, const PDFDocument* document);
protected:
CIDSystemInfo m_CIDSystemInfo;
FontDescriptor m_fontDescriptor;
};
@ -306,7 +332,8 @@ class PDFSimpleFont : public PDFFont
using BaseClass = PDFFont;
public:
explicit PDFSimpleFont(FontDescriptor fontDescriptor,
explicit PDFSimpleFont(CIDSystemInfo cidSystemInfo,
FontDescriptor fontDescriptor,
QByteArray name,
QByteArray baseFont,
PDFInteger firstChar,
@ -343,6 +370,7 @@ class PDFType1Font : public PDFSimpleFont
public:
explicit PDFType1Font(FontType fontType,
CIDSystemInfo cidSystemInfo,
FontDescriptor fontDescriptor,
QByteArray name,
QByteArray baseFont,
@ -602,8 +630,8 @@ private:
class PDFType0Font : public PDFFont
{
public:
explicit inline PDFType0Font(FontDescriptor fontDescriptor, PDFFontCMap cmap, PDFFontCMap toUnicode, PDFCIDtoGIDMapper mapper, PDFReal defaultAdvance, std::unordered_map<CID, PDFReal> advances) :
PDFFont(qMove(fontDescriptor)),
explicit inline PDFType0Font(CIDSystemInfo cidSystemInfo, FontDescriptor fontDescriptor, PDFFontCMap cmap, PDFFontCMap toUnicode, PDFCIDtoGIDMapper mapper, PDFReal defaultAdvance, std::unordered_map<CID, PDFReal> advances) :
PDFFont(qMove(cidSystemInfo), qMove(fontDescriptor)),
m_cmap(qMove(cmap)),
m_toUnicode(qMove(toUnicode)),
m_mapper(qMove(mapper)),