void putBmpIntoPixels(FIBITMAP * bmp, ofPixels_<PixelType> &pix, bool swapForLittleEndian = true) {
// convert to correct type depending on type of input bmp and PixelType
FIBITMAP* bmpConverted = NULL;
FREE_IMAGE_TYPE imgType = FreeImage_GetImageType(bmp);
if(sizeof(PixelType)==1 &&
(FreeImage_GetColorType(bmp) == FIC_PALETTE || FreeImage_GetBPP(bmp) < 8
|| imgType!=FIT_BITMAP)) {
if(FreeImage_IsTransparent(bmp)) {
bmpConverted = FreeImage_ConvertTo32Bits(bmp);
} else {
bmpConverted = FreeImage_ConvertTo24Bits(bmp);
}
bmp = bmpConverted;
}else if(sizeof(PixelType)==2 && imgType!=FIT_UINT16 && imgType!=FIT_RGB16 && imgType!=FIT_RGBA16){
if(FreeImage_IsTransparent(bmp)) {
bmpConverted = FreeImage_ConvertToType(bmp,FIT_RGBA16);
} else {
bmpConverted = FreeImage_ConvertToType(bmp,FIT_RGB16);
}
bmp = bmpConverted;
}else if(sizeof(PixelType)==4 && imgType!=FIT_FLOAT && imgType!=FIT_RGBF && imgType!=FIT_RGBAF){
if(FreeImage_IsTransparent(bmp)) {
bmpConverted = FreeImage_ConvertToType(bmp,FIT_RGBAF);
} else {
bmpConverted = FreeImage_ConvertToType(bmp,FIT_RGBF);
}
bmp = bmpConverted;
}
unsigned int width = FreeImage_GetWidth(bmp);
unsigned int height = FreeImage_GetHeight(bmp);
unsigned int bpp = FreeImage_GetBPP(bmp);
unsigned int channels = (bpp / sizeof(PixelType)) / 8;
unsigned int pitch = FreeImage_GetPitch(bmp);
// ofPixels are top left, FIBITMAP is bottom left
FreeImage_FlipVertical(bmp);
unsigned char* bmpBits = FreeImage_GetBits(bmp);
if(bmpBits != NULL) {
pix.setFromAlignedPixels((PixelType*) bmpBits, width, height, channels, pitch);
} else {
ofLogError("ofImage") << "putBmpIntoPixels(): unable to set ofPixels from FIBITMAP";
}
if(bmpConverted != NULL) {
FreeImage_Unload(bmpConverted);
}
#ifdef TARGET_LITTLE_ENDIAN
if(swapForLittleEndian && sizeof(PixelType) == 1) {
pix.swapRgb();
}
#endif
}
void putBmpIntoPixels(FIBITMAP * bmp, ofPixels_<PixelType> &pix, bool swapForLittleEndian = true) {
// some images use a palette, or <8 bpp, so convert them to raster 8-bit channels
FIBITMAP* bmpConverted = NULL;
if(FreeImage_GetColorType(bmp) == FIC_PALETTE || FreeImage_GetBPP(bmp) < 8) {
if(FreeImage_IsTransparent(bmp)) {
bmpConverted = FreeImage_ConvertTo32Bits(bmp);
} else {
bmpConverted = FreeImage_ConvertTo24Bits(bmp);
}
bmp = bmpConverted;
}
unsigned int width = FreeImage_GetWidth(bmp);
unsigned int height = FreeImage_GetHeight(bmp);
unsigned int bpp = FreeImage_GetBPP(bmp);
unsigned int channels = (bpp / sizeof(PixelType)) / 8;
unsigned int pitch = FreeImage_GetPitch(bmp);
// ofPixels are top left, FIBITMAP is bottom left
FreeImage_FlipVertical(bmp);
unsigned char* bmpBits = FreeImage_GetBits(bmp);
if(bmpBits != NULL) {
pix.setFromAlignedPixels((PixelType*) bmpBits, width, height, channels, pitch);
} else {
ofLogError() << "ofImage::putBmpIntoPixels() unable to set ofPixels from FIBITMAP";
}
if(bmpConverted != NULL) {
FreeImage_Unload(bmpConverted);
}
#ifdef TARGET_LITTLE_ENDIAN
if(swapForLittleEndian && sizeof(PixelType) == 1) {
pix.swapRgb();
}
#endif
}
static void saveImage(ofPixels_<PixelType> & pix, ofBuffer & buffer, ofImageFormat format, ofImageQualityType qualityLevel) {
//thanks to alvaro casinelli for the implementation
ofInitFreeImage();
if (pix.isAllocated() == false){
ofLog(OF_LOG_ERROR,"error saving image - pixels aren't allocated");
return;
}
#ifdef TARGET_LITTLE_ENDIAN
if(sizeof(PixelType) == 1) {
pix.swapRgb();
}
#endif
FIBITMAP * bmp = getBmpFromPixels(pix);
#ifdef TARGET_LITTLE_ENDIAN
if(sizeof(PixelType) == 1) {
pix.swapRgb();
}
#endif
if (bmp) // bitmap successfully created
{
// (b) open a memory stream to compress the image onto mem_buffer:
//
FIMEMORY *hmem = FreeImage_OpenMemory();
// (c) encode and save the image to the memory (on dib FIBITMAP image):
//
if(FREE_IMAGE_FORMAT(format) == FIF_JPEG) {
int quality = JPEG_QUALITYSUPERB;
switch(qualityLevel) {
case OF_IMAGE_QUALITY_WORST: quality = JPEG_QUALITYBAD; break;
case OF_IMAGE_QUALITY_LOW: quality = JPEG_QUALITYAVERAGE; break;
case OF_IMAGE_QUALITY_MEDIUM: quality = JPEG_QUALITYNORMAL; break;
case OF_IMAGE_QUALITY_HIGH: quality = JPEG_QUALITYGOOD; break;
case OF_IMAGE_QUALITY_BEST: quality = JPEG_QUALITYSUPERB; break;
}
FreeImage_SaveToMemory(FIF_JPEG, bmp, hmem, quality);
}else{
FreeImage_SaveToMemory((FREE_IMAGE_FORMAT)format, bmp, hmem);
}
/*
NOTE: at this point, hmem contains the entire data in memory stored in fif format. the
amount of space used by the memory is equal to file_size:
long file_size = FreeImage_TellMemory(hmem);
but can also be retrieved by FreeImage_AcquireMemory that retrieves both the
length of the buffer, and the buffer memory address.
*/
#ifdef TARGET_WIN32
DWORD size_in_bytes = 0;
#else
uint32_t size_in_bytes = 0;
#endif
// Save compressed data on mem_buffer
// note: FreeImage_AquireMemory allocates space for aux_mem_buffer):
//
unsigned char *mem_buffer = NULL;
if (!FreeImage_AcquireMemory(hmem, &mem_buffer, &size_in_bytes))
cout << "Error aquiring compressed image from memory" << endl;
/*
Now, before closing the memory stream, copy the content of mem_buffer
to an auxiliary buffer
*/
buffer.set((char*)mem_buffer,size_in_bytes);
// Finally, close the FIBITMAP object, or we will get a memory leak:
FreeImage_Unload(bmp);
// Close the memory stream (otherwise we may get a memory leak).
FreeImage_CloseMemory(hmem);
}
}
static void saveImage(ofPixels_<PixelType> & pix, string fileName, ofImageQualityType qualityLevel) {
ofInitFreeImage();
if (pix.isAllocated() == false){
ofLog(OF_LOG_ERROR,"error saving image - pixels aren't allocated");
return;
}
#ifdef TARGET_LITTLE_ENDIAN
if(sizeof(PixelType) == 1) {
pix.swapRgb();
}
#endif
FIBITMAP * bmp = getBmpFromPixels(pix);
#ifdef TARGET_LITTLE_ENDIAN
if(sizeof(PixelType) == 1) {
pix.swapRgb();
}
#endif
fileName = ofToDataPath(fileName);
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 quality = JPEG_QUALITYSUPERB;
switch(qualityLevel) {
case OF_IMAGE_QUALITY_WORST: quality = JPEG_QUALITYBAD; break;
case OF_IMAGE_QUALITY_LOW: quality = JPEG_QUALITYAVERAGE; break;
case OF_IMAGE_QUALITY_MEDIUM: quality = JPEG_QUALITYNORMAL; break;
case OF_IMAGE_QUALITY_HIGH: quality = JPEG_QUALITYGOOD; break;
case OF_IMAGE_QUALITY_BEST: quality = JPEG_QUALITYSUPERB; break;
}
FreeImage_Save(fif, bmp, fileName.c_str(), quality);
} else {
if(qualityLevel != OF_IMAGE_QUALITY_BEST) {
ofLogWarning() << "ofImageCompressionType only applies to JPEG images, ignoring value";
}
if (fif == FIF_GIF) {
FIBITMAP* convertedBmp;
if(pix.getImageType() == OF_IMAGE_COLOR_ALPHA) {
// this just converts the image to grayscale so it can save something
convertedBmp = FreeImage_ConvertTo8Bits(bmp);
} else {
// this will create a 256-color palette from the image
convertedBmp = FreeImage_ColorQuantize(bmp, FIQ_NNQUANT);
}
FreeImage_Save(fif, convertedBmp, fileName.c_str());
if (convertedBmp != NULL){
FreeImage_Unload(convertedBmp);
}
} else {
FreeImage_Save(fif, bmp, fileName.c_str());
}
}
}
if (bmp != NULL){
FreeImage_Unload(bmp);
}
}
static void saveImage(ofPixels_<PixelType> & pix, string fileName, ofImageQualityType qualityLevel) {
ofInitFreeImage();
if (pix.isAllocated() == false){
ofLogError("ofImage") << "saveImage(): couldn't save \"" << fileName << "\", pixels are not allocated";
return;
}
#ifdef TARGET_LITTLE_ENDIAN
if(sizeof(PixelType) == 1 && (pix.getPixelFormat()==OF_PIXELS_RGB || pix.getPixelFormat()==OF_PIXELS_RGBA)) {
pix.swapRgb();
}
#endif
FIBITMAP * bmp = getBmpFromPixels(pix);
#ifdef TARGET_LITTLE_ENDIAN
if(sizeof(PixelType) == 1 && (pix.getPixelFormat()==OF_PIXELS_BGR || pix.getPixelFormat()==OF_PIXELS_BGRA)) {
pix.swapRgb();
}
#endif
ofFilePath::createEnclosingDirectory(fileName);
fileName = ofToDataPath(fileName);
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 quality = JPEG_QUALITYSUPERB;
switch(qualityLevel) {
case OF_IMAGE_QUALITY_WORST: quality = JPEG_QUALITYBAD; break;
case OF_IMAGE_QUALITY_LOW: quality = JPEG_QUALITYAVERAGE; break;
case OF_IMAGE_QUALITY_MEDIUM: quality = JPEG_QUALITYNORMAL; break;
case OF_IMAGE_QUALITY_HIGH: quality = JPEG_QUALITYGOOD; break;
case OF_IMAGE_QUALITY_BEST: quality = JPEG_QUALITYSUPERB; break;
}
FreeImage_Save(fif, bmp, fileName.c_str(), quality);
} else {
if(qualityLevel != OF_IMAGE_QUALITY_BEST) {
ofLogWarning("ofImage") << "saveImage(): ofImageCompressionType only applies to JPEGs,"
<< " ignoring value for \" "<< fileName << "\"";
}
if (fif == FIF_GIF) {
FIBITMAP* convertedBmp;
if(pix.getImageType() == OF_IMAGE_COLOR_ALPHA) {
// this just converts the image to grayscale so it can save something
convertedBmp = FreeImage_ConvertTo8Bits(bmp);
} else {
// this will create a 256-color palette from the image
convertedBmp = FreeImage_ColorQuantize(bmp, FIQ_NNQUANT);
}
FreeImage_Save(fif, convertedBmp, fileName.c_str());
if (convertedBmp != nullptr){
FreeImage_Unload(convertedBmp);
}
} else {
FreeImage_Save(fif, bmp, fileName.c_str());
}
}
}
if (bmp != nullptr){
FreeImage_Unload(bmp);
}
}
