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// ==========================================================
// Plugin functions demonstration
//
// Design and implementation by
// - Herv Drolon
//
// 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 own risk!
// ==========================================================
// This example shows how to use Plugin functions to explore FreeImage capabilities.
// Whenever an external plugin is added to the library, it is automatically loaded
// with FreeImage and can be asked for its capabilities via the plugin functions.
//
// Functions used in this sample :
// FreeImage_FIFSupportsExportBPP, FreeImage_FIFSupportsICCProfiles, FreeImage_FIFSupportsReading,
// FreeImage_FIFSupportsWriting, FreeImage_GetFIFCount, FreeImage_GetFIFDescription,
// FreeImage_GetFIFExtensionList, FreeImage_GetFormatFromFIF,
// FreeImage_GetVersion, FreeImage_GetCopyrightMessage, FreeImage_SetOutputMessage
//
// ==========================================================
#include <iostream.h>
#include <fstream.h>
#include <stdio.h>
#include <string.h>
#include "FreeImage.h"
// ----------------------------------------------------------
/**
FreeImage error handler
*/
void MyMessageFunc(FREE_IMAGE_FORMAT fif, const char *message) {
cout << "\n*** " << message << " ***\n";
}
// ----------------------------------------------------------
/**
Print plugins import capabilities
*/
void PrintImportFormats(iostream& ios) {
int count = FreeImage_GetFIFCount();
if(count)
ios << "FORMAT;DESCRIPTION;EXTENSIONS;ICC PROFILES\n";
for(int i = 0; i < count; i++) {
FREE_IMAGE_FORMAT fif = (FREE_IMAGE_FORMAT)i;
if(FreeImage_FIFSupportsReading(fif)) {
const char * format = FreeImage_GetFormatFromFIF(fif);
const char * description = FreeImage_GetFIFDescription(fif);
const char * ext = FreeImage_GetFIFExtensionList(fif);
const char * icc = "*";
if(FreeImage_FIFSupportsICCProfiles(fif)) {
ios << format << ";" << description << ";" << ext << ";" << icc << "\n";
} else {
ios << format << ";" << description << ";" << ext << "; \n";
}
}
}
}
/**
Print plugins export capabilities
*/
void PrintExportFormats(iostream& ios) {
int count = FreeImage_GetFIFCount();
if(count)
ios << "FORMAT;DESCRIPTION;EXTENSIONS;BITDEPTH;ICC PROFILES\n";
for(int i = 0; i < count; i++) {
FREE_IMAGE_FORMAT fif = (FREE_IMAGE_FORMAT)i;
if(FreeImage_FIFSupportsWriting(fif)) {
const char * format = FreeImage_GetFormatFromFIF(fif);
const char * description = FreeImage_GetFIFDescription(fif);
const char * ext = FreeImage_GetFIFExtensionList(fif);
const char * icc = "*";
ios << format << ";" << description << ";" << ext << ";";
if(FreeImage_FIFSupportsExportBPP(fif, 1))
ios << "1 ";
if(FreeImage_FIFSupportsExportBPP(fif, 4))
ios << "4 ";
if(FreeImage_FIFSupportsExportBPP(fif, 8))
ios << "8 ";
if(FreeImage_FIFSupportsExportBPP(fif, 16))
ios << "16 ";
if(FreeImage_FIFSupportsExportBPP(fif, 24))
ios << "24 ";
if(FreeImage_FIFSupportsExportBPP(fif, 32))
ios << "32 ";
if(FreeImage_FIFSupportsICCProfiles(fif)) {
ios << ";" << icc;
} else {
ios << "; ";
}
ios << "\n";
}
}
}
int
main(int argc, char *argv[]) {
// call this ONLY when linking with FreeImage as a static library
#ifdef FREEIMAGE_LIB
FreeImage_Initialise();
#endif // FREEIMAGE_LIB
// initialize FreeImage error handler
FreeImage_SetOutputMessage(MyMessageFunc);
// print version & copyright infos
cout << "FreeImage " << FreeImage_GetVersion() << "\n";
cout << FreeImage_GetCopyrightMessage() << "\n\n";
// Print input formats (including external plugins) known by the library
fstream importFile("fif_import.csv", ios::out);
PrintImportFormats(importFile);
importFile.close();
// Print output formats (including plugins) known by the library
// for each export format, supported bitdepths are given
fstream exportFile("fif_export.csv", ios::out);
PrintExportFormats(exportFile);
exportFile.close();
// call this ONLY when linking with FreeImage as a static library
#ifdef FREEIMAGE_LIB
FreeImage_DeInitialise();
#endif // FREEIMAGE_LIB
return 0;
}
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