?? gettype.cpp
字號:
// ==========================================================
// GetType
//
// Design and implementation by
// - Floris van den Berg (flvdberg@wxs.nl)
//
// This file is part of FreeImage 3
//
// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY
// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE
// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED
// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT
// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY
// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL
// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER
// THIS DISCLAIMER.
//
// Use at your own risk!
// ==========================================================
#include "../DeprecationManager/DeprecationMgr.h"
#include "FreeImage.h"
#include "Utilities.h"
#include "FreeImageIO.h"
#include "Plugin.h"
// ----------------------------------------------------------
FREE_IMAGE_FORMAT DLL_CALLCONV
FreeImage_GetFileTypeFromHandle(FreeImageIO *io, fi_handle handle, int size) {
if (handle != NULL) {
int fif_count = FreeImage_GetFIFCount();
for (int i = 0; i < fif_count; ++i)
if (FreeImage_Validate((FREE_IMAGE_FORMAT)i, io, handle))
return (FREE_IMAGE_FORMAT)i;
}
return FIF_UNKNOWN;
}
FREE_IMAGE_FORMAT DLL_CALLCONV
FreeImage_GetFileType(const char *filename, int size) {
FreeImageIO io;
SetDefaultIO(&io);
FILE *handle = fopen(filename, "rb");
if (handle != NULL) {
FREE_IMAGE_FORMAT format = FreeImage_GetFileTypeFromHandle(&io, (fi_handle)handle, size);
fclose(handle);
return format;
}
return FIF_UNKNOWN;
}
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