| // ========================================================== |
| // fipMemoryIO class implementation |
| // |
| // Design and implementation by |
| // - Hervé Drolon (drolon@infonie.fr) |
| // |
| // 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 "FreeImagePlus.h" |
| #include <stdlib.h> |
| #include <string.h> |
| #include <assert.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <stdio.h> |
| |
| fipMemoryIO::fipMemoryIO(BYTE *data, DWORD size_in_bytes) { |
| _hmem = FreeImage_OpenMemory(data, size_in_bytes); |
| } |
| |
| fipMemoryIO::~fipMemoryIO() { |
| if(_hmem != NULL) { |
| FreeImage_CloseMemory(_hmem); |
| } |
| } |
| |
| void fipMemoryIO::close() { |
| if(_hmem != NULL) { |
| FreeImage_CloseMemory(_hmem); |
| _hmem = NULL; |
| } |
| } |
| |
| BOOL fipMemoryIO::isValid() const { |
| return (_hmem != NULL); |
| } |
| |
| FREE_IMAGE_FORMAT fipMemoryIO::getFileType() const { |
| if(_hmem != NULL) { |
| return FreeImage_GetFileTypeFromMemory(_hmem, 0); |
| } |
| |
| return FIF_UNKNOWN; |
| } |
| |
| FIBITMAP* fipMemoryIO::load(FREE_IMAGE_FORMAT fif, int flags) const { |
| return FreeImage_LoadFromMemory(fif, _hmem, flags); |
| } |
| |
| FIMULTIBITMAP* fipMemoryIO::loadMultiPage(FREE_IMAGE_FORMAT fif, int flags) const { |
| return FreeImage_LoadMultiBitmapFromMemory(fif, _hmem, flags); |
| } |
| |
| BOOL fipMemoryIO::save(FREE_IMAGE_FORMAT fif, FIBITMAP *dib, int flags) { |
| return FreeImage_SaveToMemory(fif, dib, _hmem, flags); |
| } |
| |
| BOOL fipMemoryIO::saveMultiPage(FREE_IMAGE_FORMAT fif, FIMULTIBITMAP *bitmap, int flags) { |
| return FreeImage_SaveMultiBitmapToMemory(fif, bitmap, _hmem, flags); |
| } |
| |
| unsigned fipMemoryIO::read(void *buffer, unsigned size, unsigned count) const { |
| return FreeImage_ReadMemory(buffer, size, count, _hmem); |
| } |
| |
| unsigned fipMemoryIO::write(const void *buffer, unsigned size, unsigned count) { |
| return FreeImage_WriteMemory(buffer, size, count, _hmem); |
| } |
| |
| long fipMemoryIO::tell() const { |
| return FreeImage_TellMemory(_hmem); |
| } |
| |
| BOOL fipMemoryIO::seek(long offset, int origin) { |
| return FreeImage_SeekMemory(_hmem, offset, origin); |
| } |
| |
| BOOL fipMemoryIO::acquire(BYTE **data, DWORD *size_in_bytes) { |
| return FreeImage_AcquireMemory(_hmem, data, size_in_bytes); |
| } |
| |
| |