LibreOffice Module vcl (master)  1
pngread.hxx
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19 
20 #ifndef INCLUDED_VCL_PNGREAD_HXX
21 #define INCLUDED_VCL_PNGREAD_HXX
22 
23 #include <vcl/dllapi.h>
24 #include <vcl/bitmapex.hxx>
25 #include <memory>
26 #include <vector>
27 
28 namespace vcl
29 {
30 
31 class PNGReaderImpl;
32 
34 {
35  std::unique_ptr<PNGReaderImpl> mpImpl;
36 
37 public:
38 
39  /* the PNG chunks are read within the c'tor, so the stream will
40  be positioned at the end of the PNG */
41  explicit PNGReader(SvStream& rStream);
42  ~PNGReader();
43 
44  /* an empty preview size hint (=default) will read the whole image
45  */
46  BitmapEx Read(const Size& i_rPreviewHint = Size());
47 
48  // retrieve every chunk that resides inside the PNG
49  struct ChunkData
50  {
51  sal_uInt32 nType = 0;
52  std::vector<sal_uInt8> aData;
53  };
54  const std::vector<ChunkData>& GetChunks() const;
55 
56  void SetIgnoreGammaChunk(bool bIgnoreGammaChunk);
57 };
58 
59 } // end namespace vcl
60 
61 #endif // INCLUDED_VCL_PNGREAD_HXX
62 
63 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
#define VCL_DLLPUBLIC
Definition: dllapi.h:29
QPRO_FUNC_TYPE const nType
std::vector< sal_uInt8 > aData
Definition: pngread.hxx:52
std::unique_ptr< PNGReaderImpl > mpImpl
Definition: pngread.hxx:35