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96 lines
2.8 KiB
96 lines
2.8 KiB
// ==========================================================
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// fipMemoryIO class implementation
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//
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// Design and implementation by
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// - Hervé Drolon (drolon@infonie.fr)
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//
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// This file is part of FreeImage 3
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//
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// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY
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// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
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// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE
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// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED
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// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT
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// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY
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// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL
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// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER
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// THIS DISCLAIMER.
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//
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// Use at your own risk!
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// ==========================================================
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#include "FreeImagePlus.h"
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdio.h>
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fipMemoryIO::fipMemoryIO(BYTE *data, DWORD size_in_bytes) {
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_hmem = FreeImage_OpenMemory(data, size_in_bytes);
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}
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fipMemoryIO::~fipMemoryIO() {
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if(_hmem != NULL) {
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FreeImage_CloseMemory(_hmem);
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}
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}
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void fipMemoryIO::close() {
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if(_hmem != NULL) {
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FreeImage_CloseMemory(_hmem);
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_hmem = NULL;
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}
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}
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BOOL fipMemoryIO::isValid() const {
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return (_hmem != NULL);
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}
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FREE_IMAGE_FORMAT fipMemoryIO::getFileType() const {
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if(_hmem != NULL) {
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return FreeImage_GetFileTypeFromMemory(_hmem, 0);
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}
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return FIF_UNKNOWN;
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}
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FIBITMAP* fipMemoryIO::load(FREE_IMAGE_FORMAT fif, int flags) const {
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return FreeImage_LoadFromMemory(fif, _hmem, flags);
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}
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FIMULTIBITMAP* fipMemoryIO::loadMultiPage(FREE_IMAGE_FORMAT fif, int flags) const {
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return FreeImage_LoadMultiBitmapFromMemory(fif, _hmem, flags);
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}
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BOOL fipMemoryIO::save(FREE_IMAGE_FORMAT fif, FIBITMAP *dib, int flags) {
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return FreeImage_SaveToMemory(fif, dib, _hmem, flags);
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}
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BOOL fipMemoryIO::saveMultiPage(FREE_IMAGE_FORMAT fif, FIMULTIBITMAP *bitmap, int flags) {
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return FreeImage_SaveMultiBitmapToMemory(fif, bitmap, _hmem, flags);
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}
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unsigned fipMemoryIO::read(void *buffer, unsigned size, unsigned count) const {
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return FreeImage_ReadMemory(buffer, size, count, _hmem);
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}
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unsigned fipMemoryIO::write(const void *buffer, unsigned size, unsigned count) {
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return FreeImage_WriteMemory(buffer, size, count, _hmem);
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}
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long fipMemoryIO::tell() const {
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return FreeImage_TellMemory(_hmem);
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}
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BOOL fipMemoryIO::seek(long offset, int origin) {
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return FreeImage_SeekMemory(_hmem, offset, origin);
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}
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BOOL fipMemoryIO::acquire(BYTE **data, DWORD *size_in_bytes) {
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return FreeImage_AcquireMemory(_hmem, data, size_in_bytes);
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}
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