windows-nt/Source/XPSP1/NT/shell/shell32/tngen/ctngen.h
2020-09-26 16:20:57 +08:00

41 lines
1.1 KiB
C++

#ifndef _CTNGEN_H_
#define _CTNGEN_H_
EXTERN_C CRITICAL_SECTION g_csTNGEN;
class CThumbnailFCNContainer
{
public:
CThumbnailFCNContainer(void);
~CThumbnailFCNContainer(void);
// public members (these go away soon)
HRESULT EncodeThumbnail(void *pInputBitmapBits,
ULONG ulWidth, ULONG ulHeight,
void **ppJPEGBuffer, ULONG *pulBufferSize);
HRESULT DecodeThumbnail(HBITMAP *phBitmap, ULONG *pulWidth,
ULONG *pulHeight, void *pJPEGBuffer, ULONG ulBufferSize);
private:
//
// The following globals should get their values from the registry
// during TN_Initialize
//
// WARNING: for large Thumbnail_X and Thumbnail_Y values, we will also
// need to increase INPUT_vBUF_SIZE and OUTPUT_BUF_SIZE in jdatasrc.cpp and
// jdatadst.cpp (lovely jpeg decompression code...). Also need to modify our
//
ULONG Thumbnail_Quality;
ULONG Thumbnail_X;
ULONG Thumbnail_Y;
//
// JPEG globals
//
HANDLE m_hJpegC, m_hJpegD;
BYTE * m_JPEGheader;
ULONG m_JPEGheaderSize;
};
#endif