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

JBIG2 file viewer

Browse Source
This commit is contained in:
Jakub Melka
2019-10-29 19:34:22 +01:00
parent 489033c4ce
commit a60b13c3a0
8 changed files with 340 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
PdfForQtLib/sources/pdfjbig2decoder.h
View File

@ -213,7 +213,7 @@ class PDFJBIG2Segment
{
public:
explicit inline PDFJBIG2Segment() = default;
virtual ~PDFJBIG2Segment() = default;
virtual ~PDFJBIG2Segment();
virtual const PDFJBIG2Bitmap* asBitmap() const { return nullptr; }
virtual PDFJBIG2Bitmap* asBitmap() { return nullptr; }
@ -243,12 +243,13 @@ private:
std::vector<PDFJBIG2HuffmanTableEntry> m_entries;
};
class PDFJBIG2Bitmap : public PDFJBIG2Segment
class PDFFORQTLIBSHARED_EXPORT PDFJBIG2Bitmap : public PDFJBIG2Segment
{
public:
explicit PDFJBIG2Bitmap();
explicit PDFJBIG2Bitmap(int width, int height);
explicit PDFJBIG2Bitmap(int width, int height, uint8_t fill);
virtual ~PDFJBIG2Bitmap() override;
virtual const PDFJBIG2Bitmap* asBitmap() const override { return this; }
virtual PDFJBIG2Bitmap* asBitmap() override { return this; }
@ -351,7 +352,7 @@ struct PDFJBIG2BitmapDecodingParameters
/// Decoder of JBIG2 data streams. Decodes the black/white monochrome image.
/// Handles also global segments. Decoder decodes data using the specification
/// ISO/IEC 14492:2001, T.88.
class PDFJBIG2Decoder
class PDFFORQTLIBSHARED_EXPORT PDFJBIG2Decoder
{
public:
explicit inline PDFJBIG2Decoder(QByteArray data, QByteArray globalData, PDFRenderErrorReporter* errorReporter) :
@ -368,6 +369,14 @@ public:
}
PDFJBIG2Decoder(const PDFJBIG2Decoder&) = delete;
PDFJBIG2Decoder(PDFJBIG2Decoder&&) = default;
PDFJBIG2Decoder& operator=(const PDFJBIG2Decoder&) = delete;
PDFJBIG2Decoder& operator=(PDFJBIG2Decoder&&) = default;
~PDFJBIG2Decoder();
/// Decodes image interpreting the data as JBIG2 data stream. If image cannot
/// be decoded, exception is thrown (or invalid PDFImageData is returned).
/// \param maskingType Image masking type