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Diffstat (limited to 'plugins/AdvaImg/src/FreeImage/MemoryIO.cpp')
| -rw-r--r-- | plugins/AdvaImg/src/FreeImage/MemoryIO.cpp | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/plugins/AdvaImg/src/FreeImage/MemoryIO.cpp b/plugins/AdvaImg/src/FreeImage/MemoryIO.cpp deleted file mode 100644 index 7f587d3fa3..0000000000 --- a/plugins/AdvaImg/src/FreeImage/MemoryIO.cpp +++ /dev/null @@ -1,237 +0,0 @@ -// ========================================================== -// Memory Input/Output functions -// -// Design and implementation by -// - Ryan Rubley <ryan@lostreality.org> -// - 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 "FreeImage.h" -#include "Utilities.h" -#include "FreeImageIO.h" - -// ===================================================================== - - -// ===================================================================== -// Open and close a memory handle -// ===================================================================== - -FIMEMORY * DLL_CALLCONV -FreeImage_OpenMemory(BYTE *data, DWORD size_in_bytes) { - // allocate a memory handle - FIMEMORY *stream = (FIMEMORY*)malloc(sizeof(FIMEMORY)); - if(stream) { - stream->data = (BYTE*)malloc(sizeof(FIMEMORYHEADER)); - - if(stream->data) { - FIMEMORYHEADER *mem_header = (FIMEMORYHEADER*)(stream->data); - - // initialize the memory header - memset(mem_header, 0, sizeof(FIMEMORYHEADER)); - - if(data && size_in_bytes) { - // wrap a user buffer - mem_header->delete_me = FALSE; - mem_header->data = (BYTE*)data; - mem_header->data_length = mem_header->file_length = size_in_bytes; - } else { - mem_header->delete_me = TRUE; - } - - return stream; - } - free(stream); - } - - return NULL; -} - - -void DLL_CALLCONV -FreeImage_CloseMemory(FIMEMORY *stream) { - if(stream && stream->data) { - FIMEMORYHEADER *mem_header = (FIMEMORYHEADER*)(stream->data); - if(mem_header->delete_me) { - free(mem_header->data); - } - free(mem_header); - free(stream); - } -} - -// ===================================================================== -// Memory stream load/save functions -// ===================================================================== - -FIBITMAP * DLL_CALLCONV -FreeImage_LoadFromMemory(FREE_IMAGE_FORMAT fif, FIMEMORY *stream, int flags) { - if (stream && stream->data) { - FreeImageIO io; - SetMemoryIO(&io); - - return FreeImage_LoadFromHandle(fif, &io, (fi_handle)stream, flags); - } - - return NULL; -} - - -BOOL DLL_CALLCONV -FreeImage_SaveToMemory(FREE_IMAGE_FORMAT fif, FIBITMAP *dib, FIMEMORY *stream, int flags) { - if (stream) { - FreeImageIO io; - SetMemoryIO(&io); - - FIMEMORYHEADER *mem_header = (FIMEMORYHEADER*)(stream->data); - - if(mem_header->delete_me == TRUE) { - return FreeImage_SaveToHandle(fif, dib, &io, (fi_handle)stream, flags); - } else { - // do not save in a user buffer - FreeImage_OutputMessageProc(fif, "Memory buffer is read only"); - } - } - - return FALSE; -} - -// ===================================================================== -// Memory stream buffer access -// ===================================================================== - -BOOL DLL_CALLCONV -FreeImage_AcquireMemory(FIMEMORY *stream, BYTE **data, DWORD *size_in_bytes) { - if (stream) { - FIMEMORYHEADER *mem_header = (FIMEMORYHEADER*)(stream->data); - - *data = (BYTE*)mem_header->data; - *size_in_bytes = mem_header->file_length; - return TRUE; - } - - return FALSE; -} - -// ===================================================================== -// Memory stream file type access -// ===================================================================== - -FREE_IMAGE_FORMAT DLL_CALLCONV -FreeImage_GetFileTypeFromMemory(FIMEMORY *stream, int size) { - FreeImageIO io; - SetMemoryIO(&io); - - if (stream != NULL) { - return FreeImage_GetFileTypeFromHandle(&io, (fi_handle)stream, size); - } - - return FIF_UNKNOWN; -} - -// ===================================================================== -// Seeking in Memory stream -// ===================================================================== - -/** -Moves the memory pointer to a specified location -@param stream Pointer to FIMEMORY structure -@param offset Number of bytes from origin -@param origin Initial position -@return Returns TRUE if successful, returns FALSE otherwise -*/ -BOOL DLL_CALLCONV -FreeImage_SeekMemory(FIMEMORY *stream, long offset, int origin) { - FreeImageIO io; - SetMemoryIO(&io); - - if (stream != NULL) { - int success = io.seek_proc((fi_handle)stream, offset, origin); - return (success == 0) ? TRUE : FALSE; - } - - return FALSE; -} - -/** -Gets the current position of a memory pointer -@param stream Target FIMEMORY structure -@return Returns the current file position if successful, -1 otherwise -*/ -long DLL_CALLCONV -FreeImage_TellMemory(FIMEMORY *stream) { - FreeImageIO io; - SetMemoryIO(&io); - - if (stream != NULL) { - return io.tell_proc((fi_handle)stream); - } - - return -1L; -} - -// ===================================================================== -// Reading or Writing in Memory stream -// ===================================================================== - -/** -Reads data from a memory stream -@param buffer Storage location for data -@param size Item size in bytes -@param count Maximum number of items to be read -@param stream Pointer to FIMEMORY structure -@return Returns the number of full items actually read, which may be less than count if an error occurs -*/ -unsigned DLL_CALLCONV -FreeImage_ReadMemory(void *buffer, unsigned size, unsigned count, FIMEMORY *stream) { - FreeImageIO io; - SetMemoryIO(&io); - - if (stream != NULL) { - return io.read_proc(buffer, size, count, stream); - } - - return 0; -} - -/** -Writes data to a memory stream. -@param buffer Pointer to data to be written -@param size Item size in bytes -@param count Maximum number of items to be written -@param stream Pointer to FIMEMORY structure -@return Returns the number of full items actually written, which may be less than count if an error occurs -*/ -unsigned DLL_CALLCONV -FreeImage_WriteMemory(const void *buffer, unsigned size, unsigned count, FIMEMORY *stream) { - if (stream != NULL) { - FreeImageIO io; - SetMemoryIO(&io); - - FIMEMORYHEADER *mem_header = (FIMEMORYHEADER*)(((FIMEMORY*)stream)->data); - - if(mem_header->delete_me == TRUE) { - return io.write_proc((void *)buffer, size, count, stream); - } else { - // do not write in a user buffer - FreeImage_OutputMessageProc(FIF_UNKNOWN, "Memory buffer is read only"); - } - } - - return 0; -} - |