static bool loadImage(ofPixels_<PixelType> & pix, const std::string& _fileName, const ofImageLoadSettings& settings){
ofInitFreeImage();
#ifndef TARGET_EMSCRIPTEN
Poco::URI uri;
try {
uri = Poco::URI(_fileName);
} catch(const std::exception & exc){
ofLogError("ofImage") << "loadImage(): malformed uri when loading image from uri \"" << _fileName << "\": " << exc.what();
return false;
}
if(uri.getScheme() == "http" || uri.getScheme() == "https"){
return ofLoadImage(pix, ofLoadURL(_fileName).data);
}
#endif
std::string fileName = ofToDataPath(_fileName);
bool bLoaded = false;
FIBITMAP * bmp = nullptr;
FREE_IMAGE_FORMAT fif = FIF_UNKNOWN;
fif = FreeImage_GetFileType(fileName.c_str(), 0);
if(fif == FIF_UNKNOWN) {
// or guess via filename
fif = FreeImage_GetFIFFromFilename(fileName.c_str());
}
if((fif != FIF_UNKNOWN) && FreeImage_FIFSupportsReading(fif)) {
if(fif == FIF_JPEG) {
int option = getJpegOptionFromImageLoadSetting(settings);
bmp = FreeImage_Load(fif, fileName.c_str(), option);
} else {
bmp = FreeImage_Load(fif, fileName.c_str(), 0);
}
if (bmp != nullptr){
bLoaded = true;
}
}
//-----------------------------
if ( bLoaded ){
putBmpIntoPixels(bmp,pix);
}
if (bmp != nullptr){
FreeImage_Unload(bmp);
}
return bLoaded;
}
static bool loadImage(ofPixels_<PixelType> & pix, const ofBuffer & buffer, const ofImageLoadSettings &settings){
ofInitFreeImage();
bool bLoaded = false;
FIBITMAP* bmp = nullptr;
FIMEMORY* hmem = nullptr;
hmem = FreeImage_OpenMemory((unsigned char*) buffer.getData(), buffer.size());
if (hmem == nullptr){
ofLogError("ofImage") << "loadImage(): couldn't load image from ofBuffer, opening FreeImage memory failed";
return false;
}
//get the file type!
FREE_IMAGE_FORMAT fif = FreeImage_GetFileTypeFromMemory(hmem);
if( fif == -1 ){
ofLogError("ofImage") << "loadImage(): couldn't load image from ofBuffer, unable to guess image format from memory";
FreeImage_CloseMemory(hmem);
return false;
}
//make the image!!
if(fif == FIF_JPEG) {
int option = getJpegOptionFromImageLoadSetting(settings);
bmp = FreeImage_LoadFromMemory(fif, hmem, option);
} else {
bmp = FreeImage_LoadFromMemory(fif, hmem, 0);
}
if( bmp != nullptr ){
bLoaded = true;
}
//-----------------------------
if (bLoaded){
putBmpIntoPixels(bmp,pix);
}
if (bmp != nullptr){
FreeImage_Unload(bmp);
}
if( hmem != nullptr ){
FreeImage_CloseMemory(hmem);
}
return bLoaded;
}
static bool loadImage(ofPixels_<PixelType> & pix, const std::filesystem::path& _fileName, const ofImageLoadSettings& settings){
ofInitFreeImage();
auto uriStr = _fileName.string();
UriUriA uri;
UriParserStateA state;
state.uri = &uri;
if(uriParseUriA(&state, uriStr.c_str())!=URI_SUCCESS){
const int bytesNeeded = 8 + 3 * strlen(uriStr.c_str()) + 1;
std::vector<char> absUri(bytesNeeded);
#ifdef TARGET_WIN32
uriWindowsFilenameToUriStringA(uriStr.c_str(), absUri.data());
#else
uriUnixFilenameToUriStringA(uriStr.c_str(), absUri.data());
#endif
if(uriParseUriA(&state, absUri.data())!=URI_SUCCESS){
ofLogError("ofImage") << "loadImage(): malformed uri when loading image from uri " << _fileName;
uriFreeUriMembersA(&uri);
return false;
}
}
std::string scheme(uri.scheme.first, uri.scheme.afterLast);
uriFreeUriMembersA(&uri);
if(scheme == "http" || scheme == "https"){
return ofLoadImage(pix, ofLoadURL(_fileName.string()).data);
}
std::string fileName = ofToDataPath(_fileName, true);
bool bLoaded = false;
FIBITMAP * bmp = nullptr;
FREE_IMAGE_FORMAT fif = FIF_UNKNOWN;
fif = FreeImage_GetFileType(fileName.c_str(), 0);
if(fif == FIF_UNKNOWN) {
// or guess via filename
fif = FreeImage_GetFIFFromFilename(fileName.c_str());
}
if((fif != FIF_UNKNOWN) && FreeImage_FIFSupportsReading(fif)) {
if(fif == FIF_JPEG) {
int option = getJpegOptionFromImageLoadSetting(settings);
bmp = FreeImage_Load(fif, fileName.c_str(), option);
} else {
bmp = FreeImage_Load(fif, fileName.c_str(), 0);
}
if (bmp != nullptr){
bLoaded = true;
}
}
//-----------------------------
if ( bLoaded ){
putBmpIntoPixels(bmp,pix);
}
if (bmp != nullptr){
FreeImage_Unload(bmp);
}
return bLoaded;
}
