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Plugin.cpp
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822 lines (629 loc) · 21.8 KB
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// =====================================================================
// FreeImage Plugin Interface
//
// Design and implementation by
// - Floris van den Berg (floris@geekhq.nl)
// - Rui Lopes (ruiglopes@yahoo.com)
// - Detlev Vendt (detlev.vendt@brillit.de)
// - Petr Pytelka (pyta@lightcomp.com)
//
// 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!
// =====================================================================
#ifdef _MSC_VER
#pragma warning (disable : 4786) // identifier was truncated to 'number' characters
#endif
#ifdef _WIN32
#include <windows.h>
#include <io.h>
#else
#include <ctype.h>
#endif // _WIN32
#include "FreeImage.h"
#include "Utilities.h"
#include "FreeImageIO.h"
#include "Plugin.h"
#include "../Metadata/FreeImageTag.h"
// =====================================================================
using namespace std;
// =====================================================================
// Plugin search list
// =====================================================================
const char *
s_search_list[] = {
"",
"plugins\\",
};
static int s_search_list_size = sizeof(s_search_list) / sizeof(char *);
static PluginList *s_plugins = NULL;
static int s_plugin_reference_count = 0;
// =====================================================================
// Reimplementation of stricmp (it is not supported on some systems)
// =====================================================================
int
FreeImage_stricmp(const char *s1, const char *s2) {
int c1, c2;
do {
c1 = tolower(*s1++);
c2 = tolower(*s2++);
} while (c1 && c1 == c2);
return c1 - c2;
}
// =====================================================================
// Implementation of PluginList
// =====================================================================
PluginList::PluginList() :
m_plugin_map(),
m_node_count(0) {
}
FREE_IMAGE_FORMAT
PluginList::AddNode(FI_InitProc init_proc, void *instance, const char *format, const char *description, const char *extension, const char *regexpr) {
if (init_proc != NULL) {
PluginNode *node = new(std::nothrow) PluginNode;
Plugin *plugin = new(std::nothrow) Plugin;
if(!node || !plugin) {
if(node) delete node;
if(plugin) delete plugin;
FreeImage_OutputMessageProc(FIF_UNKNOWN, FI_MSG_ERROR_MEMORY);
return FIF_UNKNOWN;
}
memset(plugin, 0, sizeof(Plugin));
// fill-in the plugin structure
// note we have memset to 0, so all unset pointers should be NULL)
init_proc(plugin, (int)m_plugin_map.size());
// get the format string (two possible ways)
const char *the_format = NULL;
if (format != NULL) {
the_format = format;
} else if (plugin->format_proc != NULL) {
the_format = plugin->format_proc();
}
// add the node if it wasn't there already
if (the_format != NULL) {
node->m_id = (int)m_plugin_map.size();
node->m_instance = instance;
node->m_plugin = plugin;
node->m_format = format;
node->m_description = description;
node->m_extension = extension;
node->m_regexpr = regexpr;
node->m_enabled = TRUE;
m_plugin_map[(const int)m_plugin_map.size()] = node;
return (FREE_IMAGE_FORMAT)node->m_id;
}
// something went wrong while allocating the plugin... cleanup
delete plugin;
delete node;
}
return FIF_UNKNOWN;
}
PluginNode *
PluginList::FindNodeFromFormat(const char *format) {
for (map<int, PluginNode *>::iterator i = m_plugin_map.begin(); i != m_plugin_map.end(); ++i) {
const char *the_format = ((*i).second->m_format != NULL) ? (*i).second->m_format : (*i).second->m_plugin->format_proc();
if ((*i).second->m_enabled) {
if (FreeImage_stricmp(the_format, format) == 0) {
return (*i).second;
}
}
}
return NULL;
}
PluginNode *
PluginList::FindNodeFromMime(const char *mime) {
for (map<int, PluginNode *>::iterator i = m_plugin_map.begin(); i != m_plugin_map.end(); ++i) {
const char *the_mime = ((*i).second->m_plugin->mime_proc != NULL) ? (*i).second->m_plugin->mime_proc() : "";
if ((*i).second->m_enabled) {
if ((the_mime != NULL) && (strcmp(the_mime, mime) == 0)) {
return (*i).second;
}
}
}
return NULL;
}
PluginNode *
PluginList::FindNodeFromFIF(int node_id) {
map<int, PluginNode *>::iterator i = m_plugin_map.find(node_id);
if (i != m_plugin_map.end()) {
return (*i).second;
}
return NULL;
}
int
PluginList::Size() const {
return (int)m_plugin_map.size();
}
BOOL
PluginList::IsEmpty() const {
return m_plugin_map.empty();
}
PluginList::~PluginList() {
for (map<int, PluginNode *>::iterator i = m_plugin_map.begin(); i != m_plugin_map.end(); ++i) {
#ifdef _WIN32
if ((*i).second->m_instance != NULL) {
FreeLibrary((HINSTANCE)(*i).second->m_instance);
}
#endif
delete (*i).second->m_plugin;
delete ((*i).second);
}
}
// =====================================================================
// Retrieve a pointer to the plugin list container
// =====================================================================
PluginList * DLL_CALLCONV
FreeImage_GetPluginList() {
return s_plugins;
}
// =====================================================================
// Plugin System Initialization
// =====================================================================
void DLL_CALLCONV
FreeImage_Initialise(BOOL load_local_plugins_only) {
if (s_plugin_reference_count++ == 0) {
/*
Note: initialize all singletons here
in order to avoid race conditions with multi-threading
*/
// initialise the TagLib singleton
TagLib& s = TagLib::instance();
// internal plugin initialization
s_plugins = new(std::nothrow) PluginList;
if (s_plugins) {
/* NOTE :
The order used to initialize internal plugins below MUST BE the same order
as the one used to define the FREE_IMAGE_FORMAT enum.
*/
s_plugins->AddNode(InitBMP);
s_plugins->AddNode(InitICO);
s_plugins->AddNode(InitJPEG);
s_plugins->AddNode(InitJNG);
s_plugins->AddNode(InitKOALA);
s_plugins->AddNode(InitIFF);
s_plugins->AddNode(InitMNG);
s_plugins->AddNode(InitPNM, NULL, "PBM", "Portable Bitmap (ASCII)", "pbm", "^P1");
s_plugins->AddNode(InitPNM, NULL, "PBMRAW", "Portable Bitmap (RAW)", "pbm", "^P4");
s_plugins->AddNode(InitPCD);
s_plugins->AddNode(InitPCX);
s_plugins->AddNode(InitPNM, NULL, "PGM", "Portable Greymap (ASCII)", "pgm", "^P2");
s_plugins->AddNode(InitPNM, NULL, "PGMRAW", "Portable Greymap (RAW)", "pgm", "^P5");
s_plugins->AddNode(InitPNG);
s_plugins->AddNode(InitPNM, NULL, "PPM", "Portable Pixelmap (ASCII)", "ppm", "^P3");
s_plugins->AddNode(InitPNM, NULL, "PPMRAW", "Portable Pixelmap (RAW)", "ppm", "^P6");
s_plugins->AddNode(InitRAS);
s_plugins->AddNode(InitTARGA);
s_plugins->AddNode(InitTIFF);
s_plugins->AddNode(InitWBMP);
s_plugins->AddNode(InitPSD);
s_plugins->AddNode(InitCUT);
s_plugins->AddNode(InitXBM);
s_plugins->AddNode(InitXPM);
s_plugins->AddNode(InitDDS);
s_plugins->AddNode(InitGIF);
s_plugins->AddNode(InitHDR);
s_plugins->AddNode(InitG3);
s_plugins->AddNode(InitSGI);
s_plugins->AddNode(InitEXR);
s_plugins->AddNode(InitJ2K);
s_plugins->AddNode(InitJP2);
s_plugins->AddNode(InitPFM);
s_plugins->AddNode(InitPICT);
s_plugins->AddNode(InitRAW);
s_plugins->AddNode(InitWEBP);
#if !(defined(_MSC_VER) && (_MSC_VER <= 1310))
s_plugins->AddNode(InitJXR);
#endif // unsupported by MS Visual Studio 2003 !!!
// external plugin initialization
#ifdef _WIN32
if (!load_local_plugins_only) {
int count = 0;
char buffer[MAX_PATH + 200];
wchar_t current_dir[2 * _MAX_PATH], module[2 * _MAX_PATH];
BOOL bOk = FALSE;
// store the current directory. then set the directory to the application location
if (GetCurrentDirectoryW(2 * _MAX_PATH, current_dir) != 0) {
if (GetModuleFileNameW(NULL, module, 2 * _MAX_PATH) != 0) {
wchar_t *last_point = wcsrchr(module, L'\\');
if (last_point) {
*last_point = L'\0';
bOk = SetCurrentDirectoryW(module);
}
}
}
// search for plugins
while (count < s_search_list_size) {
_finddata_t find_data;
long find_handle;
strcpy(buffer, s_search_list[count]);
strcat(buffer, "*.fip");
if ((find_handle = (long)_findfirst(buffer, &find_data)) != -1L) {
do {
strcpy(buffer, s_search_list[count]);
strncat(buffer, find_data.name, MAX_PATH + 200);
HINSTANCE instance = LoadLibrary(buffer);
if (instance != NULL) {
FARPROC proc_address = GetProcAddress(instance, "_Init@8");
if (proc_address != NULL) {
s_plugins->AddNode((FI_InitProc)proc_address, (void *)instance);
} else {
FreeLibrary(instance);
}
}
} while (_findnext(find_handle, &find_data) != -1L);
_findclose(find_handle);
}
count++;
}
// restore the current directory
if (bOk) {
SetCurrentDirectoryW(current_dir);
}
}
#endif // _WIN32
}
}
}
void DLL_CALLCONV
FreeImage_DeInitialise() {
--s_plugin_reference_count;
if (s_plugin_reference_count == 0) {
delete s_plugins;
}
}
// =====================================================================
// Open and close a bitmap
// =====================================================================
void * DLL_CALLCONV
FreeImage_Open(PluginNode *node, FreeImageIO *io, fi_handle handle, BOOL open_for_reading) {
if (node->m_plugin->open_proc != NULL) {
return node->m_plugin->open_proc(io, handle, open_for_reading);
}
return NULL;
}
void DLL_CALLCONV
FreeImage_Close(PluginNode *node, FreeImageIO *io, fi_handle handle, void *data) {
if (node->m_plugin->close_proc != NULL) {
node->m_plugin->close_proc(io, handle, data);
}
}
// =====================================================================
// Plugin System Load/Save Functions
// =====================================================================
FIBITMAP * DLL_CALLCONV
FreeImage_LoadFromHandle(FREE_IMAGE_FORMAT fif, FreeImageIO *io, fi_handle handle, int flags) {
if ((fif >= 0) && (fif < FreeImage_GetFIFCount())) {
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
if (node != NULL) {
if(node->m_plugin->load_proc != NULL) {
void *data = FreeImage_Open(node, io, handle, TRUE);
FIBITMAP *bitmap = node->m_plugin->load_proc(io, handle, -1, flags, data);
FreeImage_Close(node, io, handle, data);
return bitmap;
}
}
}
return NULL;
}
FIBITMAP * DLL_CALLCONV
FreeImage_Load(FREE_IMAGE_FORMAT fif, const char *filename, int flags) {
FreeImageIO io;
SetDefaultIO(&io);
FILE *handle = fopen(filename, "rb");
if (handle) {
FIBITMAP *bitmap = FreeImage_LoadFromHandle(fif, &io, (fi_handle)handle, flags);
fclose(handle);
return bitmap;
} else {
FreeImage_OutputMessageProc((int)fif, "FreeImage_Load: failed to open file %s", filename);
}
return NULL;
}
FIBITMAP * DLL_CALLCONV
FreeImage_LoadU(FREE_IMAGE_FORMAT fif, const wchar_t *filename, int flags) {
FreeImageIO io;
SetDefaultIO(&io);
#ifdef _WIN32
FILE *handle = _wfopen(filename, L"rb");
if (handle) {
FIBITMAP *bitmap = FreeImage_LoadFromHandle(fif, &io, (fi_handle)handle, flags);
fclose(handle);
return bitmap;
} else {
FreeImage_OutputMessageProc((int)fif, "FreeImage_LoadU: failed to open input file");
}
#endif
return NULL;
}
BOOL DLL_CALLCONV
FreeImage_SaveToHandle(FREE_IMAGE_FORMAT fif, FIBITMAP *dib, FreeImageIO *io, fi_handle handle, int flags) {
// cannot save "header only" formats
if(FreeImage_HasPixels(dib) == FALSE) {
FreeImage_OutputMessageProc((int)fif, "FreeImage_SaveToHandle: cannot save \"header only\" formats");
return FALSE;
}
if ((fif >= 0) && (fif < FreeImage_GetFIFCount())) {
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
if (node) {
if(node->m_plugin->save_proc != NULL) {
void *data = FreeImage_Open(node, io, handle, FALSE);
BOOL result = node->m_plugin->save_proc(io, dib, handle, -1, flags, data);
FreeImage_Close(node, io, handle, data);
return result;
}
}
}
return FALSE;
}
BOOL DLL_CALLCONV
FreeImage_Save(FREE_IMAGE_FORMAT fif, FIBITMAP *dib, const char *filename, int flags) {
FreeImageIO io;
SetDefaultIO(&io);
FILE *handle = fopen(filename, "w+b");
if (handle) {
BOOL success = FreeImage_SaveToHandle(fif, dib, &io, (fi_handle)handle, flags);
fclose(handle);
return success;
} else {
FreeImage_OutputMessageProc((int)fif, "FreeImage_Save: failed to open file %s", filename);
}
return FALSE;
}
BOOL DLL_CALLCONV
FreeImage_SaveU(FREE_IMAGE_FORMAT fif, FIBITMAP *dib, const wchar_t *filename, int flags) {
FreeImageIO io;
SetDefaultIO(&io);
#ifdef _WIN32
FILE *handle = _wfopen(filename, L"w+b");
if (handle) {
BOOL success = FreeImage_SaveToHandle(fif, dib, &io, (fi_handle)handle, flags);
fclose(handle);
return success;
} else {
FreeImage_OutputMessageProc((int)fif, "FreeImage_SaveU: failed to open output file");
}
#endif
return FALSE;
}
// =====================================================================
// Plugin construction + enable/disable functions
// =====================================================================
FREE_IMAGE_FORMAT DLL_CALLCONV
FreeImage_RegisterLocalPlugin(FI_InitProc proc_address, const char *format, const char *description, const char *extension, const char *regexpr) {
return s_plugins->AddNode(proc_address, NULL, format, description, extension, regexpr);
}
#ifdef _WIN32
FREE_IMAGE_FORMAT DLL_CALLCONV
FreeImage_RegisterExternalPlugin(const char *path, const char *format, const char *description, const char *extension, const char *regexpr) {
if (path != NULL) {
HINSTANCE instance = LoadLibrary(path);
if (instance != NULL) {
FARPROC proc_address = GetProcAddress(instance, "_Init@8");
FREE_IMAGE_FORMAT result = s_plugins->AddNode((FI_InitProc)proc_address, (void *)instance, format, description, extension, regexpr);
if (result == FIF_UNKNOWN)
FreeLibrary(instance);
return result;
}
}
return FIF_UNKNOWN;
}
#endif // _WIN32
int DLL_CALLCONV
FreeImage_SetPluginEnabled(FREE_IMAGE_FORMAT fif, BOOL enable) {
if (s_plugins != NULL) {
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
if (node != NULL) {
BOOL previous_state = node->m_enabled;
node->m_enabled = enable;
return previous_state;
}
}
return -1;
}
int DLL_CALLCONV
FreeImage_IsPluginEnabled(FREE_IMAGE_FORMAT fif) {
if (s_plugins != NULL) {
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
return (node != NULL) ? node->m_enabled : FALSE;
}
return -1;
}
// =====================================================================
// Plugin Access Functions
// =====================================================================
int DLL_CALLCONV
FreeImage_GetFIFCount() {
return (s_plugins != NULL) ? s_plugins->Size() : 0;
}
FREE_IMAGE_FORMAT DLL_CALLCONV
FreeImage_GetFIFFromFormat(const char *format) {
if (s_plugins != NULL) {
PluginNode *node = s_plugins->FindNodeFromFormat(format);
return (node != NULL) ? (FREE_IMAGE_FORMAT)node->m_id : FIF_UNKNOWN;
}
return FIF_UNKNOWN;
}
FREE_IMAGE_FORMAT DLL_CALLCONV
FreeImage_GetFIFFromMime(const char *mime) {
if (s_plugins != NULL) {
PluginNode *node = s_plugins->FindNodeFromMime(mime);
return (node != NULL) ? (FREE_IMAGE_FORMAT)node->m_id : FIF_UNKNOWN;
}
return FIF_UNKNOWN;
}
const char * DLL_CALLCONV
FreeImage_GetFormatFromFIF(FREE_IMAGE_FORMAT fif) {
if (s_plugins != NULL) {
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
return (node != NULL) ? (node->m_format != NULL) ? node->m_format : node->m_plugin->format_proc() : NULL;
}
return NULL;
}
const char * DLL_CALLCONV
FreeImage_GetFIFMimeType(FREE_IMAGE_FORMAT fif) {
if (s_plugins != NULL) {
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
return (node != NULL) ? (node->m_plugin != NULL) ? ( node->m_plugin->mime_proc != NULL )? node->m_plugin->mime_proc() : NULL : NULL : NULL;
}
return NULL;
}
const char * DLL_CALLCONV
FreeImage_GetFIFExtensionList(FREE_IMAGE_FORMAT fif) {
if (s_plugins != NULL) {
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
return (node != NULL) ? (node->m_extension != NULL) ? node->m_extension : (node->m_plugin->extension_proc != NULL) ? node->m_plugin->extension_proc() : NULL : NULL;
}
return NULL;
}
const char * DLL_CALLCONV
FreeImage_GetFIFDescription(FREE_IMAGE_FORMAT fif) {
if (s_plugins != NULL) {
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
return (node != NULL) ? (node->m_description != NULL) ? node->m_description : (node->m_plugin->description_proc != NULL) ? node->m_plugin->description_proc() : NULL : NULL;
}
return NULL;
}
const char * DLL_CALLCONV
FreeImage_GetFIFRegExpr(FREE_IMAGE_FORMAT fif) {
if (s_plugins != NULL) {
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
return (node != NULL) ? (node->m_regexpr != NULL) ? node->m_regexpr : (node->m_plugin->regexpr_proc != NULL) ? node->m_plugin->regexpr_proc() : NULL : NULL;
}
return NULL;
}
BOOL DLL_CALLCONV
FreeImage_FIFSupportsReading(FREE_IMAGE_FORMAT fif) {
if (s_plugins != NULL) {
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
return (node != NULL) ? node->m_plugin->load_proc != NULL : FALSE;
}
return FALSE;
}
BOOL DLL_CALLCONV
FreeImage_FIFSupportsWriting(FREE_IMAGE_FORMAT fif) {
if (s_plugins != NULL) {
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
return (node != NULL) ? node->m_plugin->save_proc != NULL : FALSE ;
}
return FALSE;
}
BOOL DLL_CALLCONV
FreeImage_FIFSupportsExportBPP(FREE_IMAGE_FORMAT fif, int depth) {
if (s_plugins != NULL) {
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
return (node != NULL) ?
(node->m_plugin->supports_export_bpp_proc != NULL) ?
node->m_plugin->supports_export_bpp_proc(depth) : FALSE : FALSE;
}
return FALSE;
}
BOOL DLL_CALLCONV
FreeImage_FIFSupportsExportType(FREE_IMAGE_FORMAT fif, FREE_IMAGE_TYPE type) {
if (s_plugins != NULL) {
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
return (node != NULL) ?
(node->m_plugin->supports_export_type_proc != NULL) ?
node->m_plugin->supports_export_type_proc(type) : FALSE : FALSE;
}
return FALSE;
}
BOOL DLL_CALLCONV
FreeImage_FIFSupportsICCProfiles(FREE_IMAGE_FORMAT fif) {
if (s_plugins != NULL) {
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
return (node != NULL) ?
(node->m_plugin->supports_icc_profiles_proc != NULL) ?
node->m_plugin->supports_icc_profiles_proc() : FALSE : FALSE;
}
return FALSE;
}
BOOL DLL_CALLCONV
FreeImage_FIFSupportsNoPixels(FREE_IMAGE_FORMAT fif) {
if (s_plugins != NULL) {
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
return (node != NULL) ?
(node->m_plugin->supports_no_pixels_proc != NULL) ?
node->m_plugin->supports_no_pixels_proc() : FALSE : FALSE;
}
return FALSE;
}
FREE_IMAGE_FORMAT DLL_CALLCONV
FreeImage_GetFIFFromFilename(const char *filename) {
if (filename != NULL) {
const char *extension;
// get the proper extension if we received a filename
char *place = strrchr((char *)filename, '.');
extension = (place != NULL) ? ++place : filename;
// look for the extension in the plugin table
for (int i = 0; i < FreeImage_GetFIFCount(); ++i) {
if (s_plugins->FindNodeFromFIF(i)->m_enabled) {
// compare the format id with the extension
if (FreeImage_stricmp(FreeImage_GetFormatFromFIF((FREE_IMAGE_FORMAT)i), extension) == 0) {
return (FREE_IMAGE_FORMAT)i;
} else {
// make a copy of the extension list and split it
char *copy = (char *)malloc(strlen(FreeImage_GetFIFExtensionList((FREE_IMAGE_FORMAT)i)) + 1);
memset(copy, 0, strlen(FreeImage_GetFIFExtensionList((FREE_IMAGE_FORMAT)i)) + 1);
memcpy(copy, FreeImage_GetFIFExtensionList((FREE_IMAGE_FORMAT)i), strlen(FreeImage_GetFIFExtensionList((FREE_IMAGE_FORMAT)i)));
// get the first token
char *token = strtok(copy, ",");
while (token != NULL) {
if (FreeImage_stricmp(token, extension) == 0) {
free(copy);
return (FREE_IMAGE_FORMAT)i;
}
token = strtok(NULL, ",");
}
// free the copy of the extension list
free(copy);
}
}
}
}
return FIF_UNKNOWN;
}
FREE_IMAGE_FORMAT DLL_CALLCONV
FreeImage_GetFIFFromFilenameU(const wchar_t *filename) {
#ifdef _WIN32
if (filename == NULL) return FIF_UNKNOWN;
// get the proper extension if we received a filename
wchar_t *place = wcsrchr((wchar_t *)filename, '.');
if (place == NULL) return FIF_UNKNOWN;
// convert to single character - no national chars in extensions
char *extension = (char *)malloc(wcslen(place)+1);
unsigned int i=0;
for(; i < wcslen(place); i++) // convert 16-bit to 8-bit
extension[i] = (char)(place[i] & 0x00FF);
// set terminating 0
extension[i]=0;
FREE_IMAGE_FORMAT fRet = FreeImage_GetFIFFromFilename(extension);
free(extension);
return fRet;
#else
return FIF_UNKNOWN;
#endif // _WIN32
}
BOOL DLL_CALLCONV
FreeImage_ValidateFIF(FREE_IMAGE_FORMAT fif, FreeImageIO *io, fi_handle handle) {
if (s_plugins != NULL) {
BOOL validated = FALSE;
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
if (node) {
long tell = io->tell_proc(handle);
validated = (node != NULL) ? (node->m_enabled) ? (node->m_plugin->validate_proc != NULL) ? node->m_plugin->validate_proc(io, handle) : FALSE : FALSE : FALSE;
io->seek_proc(handle, tell, SEEK_SET);
}
return validated;
}
return FALSE;
}