diff options
Diffstat (limited to 'plugins/FreeImage/Source/FreeImage/Plugin.cpp')
| -rw-r--r-- | plugins/FreeImage/Source/FreeImage/Plugin.cpp | 811 |
1 files changed, 811 insertions, 0 deletions
diff --git a/plugins/FreeImage/Source/FreeImage/Plugin.cpp b/plugins/FreeImage/Source/FreeImage/Plugin.cpp new file mode 100644 index 0000000000..8f69809bee --- /dev/null +++ b/plugins/FreeImage/Source/FreeImage/Plugin.cpp @@ -0,0 +1,811 @@ +// =====================================================================
+// FreeImage Plugin Interface
+//
+// Design and implementation by
+// - Floris van den Berg (flvdberg@wxs.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"
+
+// =====================================================================
+
+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 PluginNode;
+ Plugin *plugin = new Plugin;
+
+ 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) {
+ if (FindNodeFromFormat(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) {
+ int count = 0;
+
+ 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 (FreeImage_stricmp(the_format, format) == 0)
+ return (*i).second;
+
+ count++;
+ }
+
+ return NULL;
+}
+
+PluginNode *
+PluginList::FindNodeFromMime(const char *mime) {
+ int count = 0;
+
+ 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 ((the_mime != NULL) && (strcmp(the_mime, mime) == 0))
+ return (*i).second;
+
+ count++;
+ }
+
+ 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) {
+
+ // 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(InitMNG, NULL, "JNG", "JPEG Network Graphics", "jng", "");
+ //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);
+
+ // external plugin initialization
+
+#ifdef _WIN32
+ if (!load_local_plugins_only) {
+ int count = 0;
+ char buffer[MAX_PATH + 200];
+ char 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 (GetCurrentDirectory(2 * _MAX_PATH, current_dir) != 0) {
+ if (GetModuleFileName(NULL, module, 2 * _MAX_PATH) != 0) {
+ char *last_point = strrchr(module, '\\');
+
+ if (last_point) {
+ *last_point = '\0';
+
+ bOk = SetCurrentDirectory(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) {
+ SetCurrentDirectory(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_enabled) {
+ if(node->m_plugin->load_proc != NULL) {
+ FIBITMAP *bitmap = NULL;
+
+ void *data = FreeImage_Open(node, io, handle, TRUE);
+
+ 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_enabled) {
+ if(node->m_plugin->save_proc != NULL) {
+ BOOL result = FALSE;
+
+ void *data = FreeImage_Open(node, io, handle, FALSE);
+
+ 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) ? (node->m_enabled) ? (FREE_IMAGE_FORMAT)node->m_id : FIF_UNKNOWN : 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) ? (node->m_enabled) ? (FREE_IMAGE_FORMAT)node->m_id : FIF_UNKNOWN : 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_Validate(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;
+}
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