56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
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#include <wtypes.h>
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//
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// JPEG erro code
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//
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#define JPEGERR_NO_ERROR 0
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#define JPEGERR_INTERNAL_ERROR -1
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#define JPEGERR_CALLBACK_ERROR -2
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//
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// Prototype for JPEG callback
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//
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typedef BOOL (__stdcall *JPEGCallbackProc)(
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ULONG, // Total byte to download
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ULONG, // Bytes downloaded so far
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ULONG, // Bytes newly downloaded
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PBYTE, // Buffer containing the image data
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PVOID); // User supplied context
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//
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// Prototype for JPEG utility functions
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//
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int GetJPEGDimensions(LPBYTE pJPEGBlob, DWORD dwSize,
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LONG *pWidth, LONG *pHeight, WORD *pChannel);
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SHORT __stdcall
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DecompProgressJPEG(
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PBYTE, // Buffer containing the JPEG data
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ULONG, // Size of the JPEG buffer
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PBYTE, // Buffer to receive DIB data
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ULONG, // Scanline picth
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JPEGCallbackProc, // Progress callback
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PVOID); // User supplied callback context
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SHORT __stdcall
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DecompTransferJPEG(
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PBYTE, // Buffer containing the JPEG data
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ULONG, // Size of the JPEG buffer
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PBYTE *, // POINTER to the buffer to receive DIB data
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DWORD, // Size of the DIB buffer
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ULONG, // Scanline picth
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JPEGCallbackProc, // Progress callback
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PVOID); // User supplied callback context
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SHORT __stdcall
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DecompJPEG(
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LPBYTE, // Buffer containing the JPEG data
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DWORD, // Size of the JPEG buffer
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LPBYTE, // Buffer to receive DIB data
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DWORD); // Scanline picth
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