diff options
Diffstat (limited to 'plugins/AdvaImg/src/FreeImage/FreeImageIO.cpp')
| -rw-r--r-- | plugins/AdvaImg/src/FreeImage/FreeImageIO.cpp | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/plugins/AdvaImg/src/FreeImage/FreeImageIO.cpp b/plugins/AdvaImg/src/FreeImage/FreeImageIO.cpp deleted file mode 100644 index 83394f049c..0000000000 --- a/plugins/AdvaImg/src/FreeImage/FreeImageIO.cpp +++ /dev/null @@ -1,175 +0,0 @@ -// ========================================================== -// Input/Output functions -// -// 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 "FreeImage.h" -#include "Utilities.h" -#include "FreeImageIO.h" - -// ===================================================================== -// File IO functions -// ===================================================================== - -unsigned DLL_CALLCONV -_ReadProc(void *buffer, unsigned size, unsigned count, fi_handle handle) { - return (unsigned)fread(buffer, size, count, (FILE *)handle); -} - -unsigned DLL_CALLCONV -_WriteProc(void *buffer, unsigned size, unsigned count, fi_handle handle) { - return (unsigned)fwrite(buffer, size, count, (FILE *)handle); -} - -int DLL_CALLCONV -_SeekProc(fi_handle handle, long offset, int origin) { - return fseek((FILE *)handle, offset, origin); -} - -long DLL_CALLCONV -_TellProc(fi_handle handle) { - return ftell((FILE *)handle); -} - -// ---------------------------------------------------------- - -void -SetDefaultIO(FreeImageIO *io) { - io->read_proc = _ReadProc; - io->seek_proc = _SeekProc; - io->tell_proc = _TellProc; - io->write_proc = _WriteProc; -} - -// ===================================================================== -// Memory IO functions -// ===================================================================== - -unsigned DLL_CALLCONV -_MemoryReadProc(void *buffer, unsigned size, unsigned count, fi_handle handle) { - unsigned x; - - FIMEMORYHEADER *mem_header = (FIMEMORYHEADER*)(((FIMEMORY*)handle)->data); - - for(x = 0; x < count; x++) { - long remaining_bytes = mem_header->file_length - mem_header->current_position; - //if there isn't size bytes left to read, set pos to eof and return a short count - if( remaining_bytes < (long)size ) { - if(remaining_bytes > 0) { - memcpy( buffer, (char *)mem_header->data + mem_header->current_position, remaining_bytes ); - } - mem_header->current_position = mem_header->file_length; - break; - } - //copy size bytes count times - memcpy( buffer, (char *)mem_header->data + mem_header->current_position, size ); - mem_header->current_position += size; - buffer = (char *)buffer + size; - } - return x; -} - -unsigned DLL_CALLCONV -_MemoryWriteProc(void *buffer, unsigned size, unsigned count, fi_handle handle) { - void *newdata; - long newdatalen; - - FIMEMORYHEADER *mem_header = (FIMEMORYHEADER*)(((FIMEMORY*)handle)->data); - - //double the data block size if we need to - while( (mem_header->current_position + (long)(size * count)) >= mem_header->data_length ) { - //if we are at or above 1G, we cant double without going negative - if( mem_header->data_length & 0x40000000 ) { - //max 2G - if( mem_header->data_length == 0x7FFFFFFF ) { - return 0; - } - newdatalen = 0x7FFFFFFF; - } else if( mem_header->data_length == 0 ) { - //default to 4K if nothing yet - newdatalen = 4096; - } else { - //double size - newdatalen = mem_header->data_length << 1; - } - newdata = realloc( mem_header->data, newdatalen ); - if( !newdata ) { - return 0; - } - mem_header->data = newdata; - mem_header->data_length = newdatalen; - } - memcpy( (char *)mem_header->data + mem_header->current_position, buffer, size * count ); - mem_header->current_position += size * count; - if( mem_header->current_position > mem_header->file_length ) { - mem_header->file_length = mem_header->current_position; - } - return count; -} - -int DLL_CALLCONV -_MemorySeekProc(fi_handle handle, long offset, int origin) { - FIMEMORYHEADER *mem_header = (FIMEMORYHEADER*)(((FIMEMORY*)handle)->data); - - // you can use _MemorySeekProc to reposition the pointer anywhere in a file - // the pointer can also be positioned beyond the end of the file - - switch(origin) { //0 to filelen-1 are 'inside' the file - default: - case SEEK_SET: //can fseek() to 0-7FFFFFFF always - if( offset >= 0 ) { - mem_header->current_position = offset; - return 0; - } - break; - - case SEEK_CUR: - if( mem_header->current_position + offset >= 0 ) { - mem_header->current_position += offset; - return 0; - } - break; - - case SEEK_END: - if( mem_header->file_length + offset >= 0 ) { - mem_header->current_position = mem_header->file_length + offset; - return 0; - } - break; - } - - return -1; -} - -long DLL_CALLCONV -_MemoryTellProc(fi_handle handle) { - FIMEMORYHEADER *mem_header = (FIMEMORYHEADER*)(((FIMEMORY*)handle)->data); - - return mem_header->current_position; -} - -// ---------------------------------------------------------- - -void -SetMemoryIO(FreeImageIO *io) { - io->read_proc = _MemoryReadProc; - io->seek_proc = _MemorySeekProc; - io->tell_proc = _MemoryTellProc; - io->write_proc = _MemoryWriteProc; -} |