virtual WriteResult writeImage(const osg::Image& img,std::ostream& fout,const osgDB::ReaderWriter::Options *options) const
{
osg::ref_ptr<osg::Image> tmp_img = new osg::Image(img);
tmp_img->flipVertical();
WriteResult::WriteStatus ws = write_JPEG_file(fout,img.s(),img.t(),(JSAMPLE*)(tmp_img->data()),getQuality(options));
return ws;
}
virtual WriteResult writeImage(const osg::Image& image,const std::string& fileName, const osgDB::ReaderWriter::Options* options) const
{
// Only ppm format output supported
std::string ext = osgDB::getFileExtension(fileName);
if ( !osgDB::equalCaseInsensitive(ext, "ppm") ) return WriteResult::FILE_NOT_HANDLED;
// only support rgb images right now.
if (image.getPixelFormat()!=GL_RGB || image.getDataType()!=GL_UNSIGNED_BYTE) return WriteResult("Error image pixel format not supported by pnm writer.");
osgDB::ofstream fout(fileName.c_str(), std::ios::out | std::ios::binary);
if(!fout) return WriteResult::ERROR_IN_WRITING_FILE;
return writeImage(image,fout,options);
}
// create the osg image from the given format
bool NVTTProcessor::OSGImageOutputHandler::assignImage(osg::Image& image)
{
// convert nvtt format to OpenGL pixel format
GLint pixelFormat;
switch (_format)
{
case nvtt::Format_RGBA:
pixelFormat = _discardAlpha ? GL_RGB : GL_RGBA;
break;
case nvtt::Format_DXT1:
pixelFormat = GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
break;
case nvtt::Format_DXT1a:
pixelFormat = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
break;
case nvtt::Format_DXT3:
pixelFormat = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
break;
case nvtt::Format_DXT5:
pixelFormat = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
break;
default:
OSG_WARN<<" Invalid or not supported format"<<std::endl;
return false;
}
// Compute the total size and the mipmap offsets
osg::Image::MipmapDataType mipmapOffsets(_mipmaps.size()-1);
unsigned int totalSize = _mipmaps[0]->size();
for (unsigned int n=1; n<_mipmaps.size(); n++)
{
mipmapOffsets[n-1] = totalSize;
totalSize += _mipmaps[n]->size();
}
// Allocate data and copy it
unsigned char* data = new unsigned char[ totalSize ];
unsigned char* ptr = data;
for (unsigned int n=0; n<_mipmaps.size(); n++)
{
memcpy( ptr, &(*_mipmaps[n])[0], _mipmaps[n]->size() );
ptr += _mipmaps[n]->size();
}
image.setImage(_width,_height,1,pixelFormat,pixelFormat,GL_UNSIGNED_BYTE,data,osg::Image::USE_NEW_DELETE);
image.setMipmapLevels(mipmapOffsets);
return true;
}
virtual WriteResult writeImage(const osg::Image& img,std::ostream& fout,const osgDB::ReaderWriter::Options*) const
{
if (img.isCompressed())
{
OSG_NOTICE<<"Warning: RGB plugin does not supporting writing compressed imagery."<<std::endl;
return WriteResult::ERROR_IN_WRITING_FILE;
}
if (!img.isDataContiguous())
{
OSG_NOTICE<<"Warning: RGB plugin does not supporting writing non contiguous imagery."<<std::endl;
return WriteResult::ERROR_IN_WRITING_FILE;
}
return writeRGBStream(img,fout,"");
}
// Convert RGB to BGRA : nvtt only accepts BGRA pixel format
void NVTTProcessor::convertRGBToBGRA( std::vector<unsigned char>& outputData, const osg::Image& image )
{
unsigned int n=0;
for(int row=0; row<image.t(); ++row)
{
const unsigned char* data = image.data(0,row);
for(int column=0; column<image.s(); ++column)
{
outputData[n] = data[column*3+2];
outputData[n+1] = data[column*3+1];
outputData[n+2] = data[column*3];
outputData[n+3] = 255;
n+=4;
}
}
}
void NVTTProcessor::compress(osg::Image& image, osg::Texture::InternalFormatMode compressedFormat, bool generateMipMap, bool resizeToPowerOfTwo, CompressionMethod method, CompressionQuality quality)
{
nvtt::Format format;
switch (compressedFormat)
{
case osg::Texture::USE_S3TC_DXT1_COMPRESSION:
if (image.getPixelFormat() == GL_RGBA)
format = nvtt::Format_DXT1a;
else
format = nvtt::Format_DXT1;
break;
case osg::Texture::USE_S3TC_DXT1c_COMPRESSION:
format = nvtt::Format_DXT1;
break;
case osg::Texture::USE_S3TC_DXT1a_COMPRESSION:
format = nvtt::Format_DXT1a;
break;
case osg::Texture::USE_S3TC_DXT3_COMPRESSION:
format = nvtt::Format_DXT3;
break;
case osg::Texture::USE_S3TC_DXT5_COMPRESSION:
format = nvtt::Format_DXT5;
break;
default:
OSG_WARN<<" Invalid or not supported compress format"<<std::endl;
return;
}
process( image, format, generateMipMap, resizeToPowerOfTwo, method, quality );
}
virtual WriteResult writeImage(const osg::Image& image,std::ostream& fout,const osgDB::ReaderWriter::Options* options) const
{
bool ascii = (options && options->getOptionString().find("ascii")!=std::string::npos);
if (ascii)
{
// ascii ppm format.
fout<<"P3"<<std::endl;
fout<<image.s()<<" "<<image.t()<<std::endl;
fout<<"255"<<std::endl;
for(int row = image.t()-1; row >= 0; --row)
{
const unsigned char* ptr = image.data(0,row);
for(int col = 0; col < image.s(); ++col)
{
fout<<static_cast<int>(*(ptr++));
fout<<" "<<static_cast<int>(*(ptr++));
fout<<" "<<static_cast<int>(*(ptr++))<<" ";
}
fout<<std::endl;
}
}
else
{
// binary ppm format
fout<<"P6"<<std::endl;
fout<<image.s()<<" "<<image.t()<<std::endl;
fout<<"255"<<std::endl;
for(int row = image.t()-1; row >= 0; --row)
{
const unsigned char* ptr = image.data(0,row);
for(int col = 0; col < image.s(); ++col)
{
fout.put(*(ptr++));
fout.put(*(ptr++));
fout.put(*(ptr++));
}
}
}
return WriteResult::FILE_SAVED;
}
virtual WriteResult writeImage(const osg::Image &img,const std::string& fileName, const osgDB::ReaderWriter::Options*) const
{
if (img.isCompressed())
{
OSG_NOTICE<<"Warning: RGB plugin does not supporting writing compressed imagery."<<std::endl;
return WriteResult::ERROR_IN_WRITING_FILE;
}
if (!img.isDataContiguous())
{
OSG_NOTICE<<"Warning: RGB plugin does not supporting writing non contiguous imagery."<<std::endl;
return WriteResult::ERROR_IN_WRITING_FILE;
}
std::string ext = osgDB::getFileExtension(fileName);
if (!acceptsExtension(ext)) return WriteResult::FILE_NOT_HANDLED;
osgDB::ofstream fout(fileName.c_str(), std::ios::out | std::ios::binary);
if(!fout) return WriteResult::ERROR_IN_WRITING_FILE;
return writeRGBStream(img,fout,fileName);
}
virtual WriteResult writeImage(const osg::Image &img, const std::string &fileName, const osgDB::ReaderWriter::Options *options) const
{
std::string ext = osgDB::getFileExtension(fileName);
if (!acceptsExtension(ext))
return WriteResult::FILE_NOT_HANDLED;
int internalFormat = osg::Image::computeNumComponents(img.getPixelFormat());
osgDB::ofstream f(fileName.c_str(), std::ios_base::out | std::ios_base::binary | std::ios_base::trunc);
if (!f)
return WriteResult::ERROR_IN_WRITING_FILE;
return writeImage(img, f, options);
}
void DepthCallback::restore(osg::Image& src,string& filename,int w,int h) const
{
float * tmp= reinterpret_cast<float*>(src.data());
fstream fout;
fout.open(filename,ios::out);
for(int i=0;i<h;i++)
{
for(int j=0;j<w;j++)
{
fout<<tmp[i*w+j]<<" ";
}
fout<<endl;
}
fout.close();
}
void display(void)
{
OSG::Matrix m1;
// Anim
OSG::Real32 t = glutGet(GLUT_ELAPSED_TIME);
m1.setTransform(-sceneTrans, OSG::Quaternion(OSG::Vec3f(0,1,0),
t / 1000.f));
sceneXform->setMatrix(m1);
OSG::commitChanges();
mgr->redraw();
// all done, swap
glutSwapBuffers();
if(bReadBack == true)
{
OSG::Image *pImg = tx1o->getImage();
pImg->write("/tmp/foo.png");
}
}
void operator()(const osg::Image& image, const unsigned int)
{
frame_id++;
QImage::Format qtFormat;
if (image.getPixelFormat() == GL_BGR)
qtFormat = QImage::Format_RGB888;
else if (image.getPixelFormat() == GL_BGRA)
qtFormat = QImage::Format_ARGB32;
else if (image.getPixelFormat() == GL_RGB)
qtFormat = QImage::Format_RGB888;
else if (image.getPixelFormat() == GL_RGBA)
qtFormat = QImage::Format_ARGB32;
else
throw std::runtime_error("cannot interpret osg-provided image format " +
boost::lexical_cast<std::string>(image.getPixelFormat()));
this->image = QImage(image.data(), image.s(), image.t(), qtFormat);
}
WriteResult writeImage(const osg::Image &img, std::ostream &fout, const Options *options) const
{
int internalFormat = osg::Image::computeNumComponents(img.getPixelFormat());
WebPConfig config;
config.quality = 75;
config.method = 2;
if (options)
{
std::istringstream iss(options->getOptionString());
std::string opt;
while (iss >> opt)
{
if (strcmp(opt.c_str(), "lossless") == 0)
{
config.lossless = 1;
config.quality = 100;
}
else if (strcmp(opt.c_str(), "hint") == 0)
{
std::string v;
iss >> v;
if (strcmp(v.c_str(), "picture") == 0)
{
config.image_hint = WEBP_HINT_PICTURE;
}
else if (strcmp(v.c_str(), "photo") == 0)
{
config.image_hint = WEBP_HINT_PHOTO;
}
else if (strcmp(v.c_str(), "graph") == 0)
{
config.image_hint = WEBP_HINT_GRAPH;
}
}
else if (strcmp(opt.c_str(), "quality") == 0)
{
float v;
iss >> v;
if (v >= 0.0 && v <= 100.0)
{
config.quality = v;
}
}
/* Create a CGImageRef from osg::Image.
* Code adapted from
* http://developer.apple.com/samplecode/OpenGLScreenSnapshot/listing2.html
*/
CGImageRef CreateCGImageFromOSGData(const osg::Image& osg_image)
{
size_t image_width = osg_image.s();
size_t image_height = osg_image.t();
/* From Apple's header for CGBitmapContextCreate()
* Each row of the bitmap consists of `bytesPerRow' bytes, which must be at
* least `(width * bitsPerComponent * number of components + 7)/8' bytes.
*/
size_t target_bytes_per_row;
CGColorSpaceRef color_space;
CGBitmapInfo bitmap_info;
/* From what I can figure out so far...
* We need to create a CGContext connected to the data we want to save
* and then call CGBitmapContextCreateImage() on that context to get
* a CGImageRef.
* However, OS X only allows 4-component image formats (e.g. RGBA) and not
* just RGB for the RGB-based CGContext. So for a 24-bit image coming in,
* we need to expand the data to 32-bit.
* The easiest and fastest way to do that is through the vImage framework
* which is part of the Accelerate framework.
* Also, the osg::Image data coming in is inverted from what we want, so
* we need to invert the image too. Since the osg::Image is const,
* we don't want to touch the data, so again we turn to the vImage framework
* and invert the data.
*/
vImage_Buffer vimage_buffer_in =
{
(void*)osg_image.data(), // need to override const, but we don't modify the data so it's safe
image_height,
image_width,
osg_image.getRowSizeInBytes()
};
void* out_image_data;
vImage_Buffer vimage_buffer_out =
{
NULL, // will fill-in in switch
image_height,
image_width,
0 // will fill-in in switch
};
vImage_Error vimage_error_flag;
// FIXME: Do I want to use format, type, or internalFormat?
switch(osg_image.getPixelFormat())
{
case GL_LUMINANCE:
{
bitmap_info = kCGImageAlphaNone;
target_bytes_per_row = (image_width * 8 + 7)/8;
//color_space = CGColorSpaceCreateWithName(kCGColorSpaceGenericGray);
color_space = CGColorSpaceCreateDeviceGray();
if(NULL == color_space)
{
return NULL;
}
// out_image_data = calloc(target_bytes_per_row, image_height);
out_image_data = malloc(target_bytes_per_row * image_height);
if(NULL == out_image_data)
{
OSG_WARN << "In CreateCGImageFromOSGData, malloc failed" << std::endl;
CGColorSpaceRelease(color_space);
return NULL;
}
vimage_buffer_out.data = out_image_data;
vimage_buffer_out.rowBytes = target_bytes_per_row;
// Now invert the image
vimage_error_flag = vImageVerticalReflect_Planar8(
&vimage_buffer_in, // since the osg_image is const...
&vimage_buffer_out, // don't reuse the buffer
kvImageNoFlags
);
if(vimage_error_flag != kvImageNoError)
{
OSG_WARN << "In CreateCGImageFromOSGData for GL_LUMINANCE, vImageVerticalReflect_Planar8 failed with vImage Error Code: " << vimage_error_flag << std::endl;
free(out_image_data);
CGColorSpaceRelease(color_space);
return NULL;
}
break;
}
case GL_ALPHA:
{
bitmap_info = kCGImageAlphaOnly;
target_bytes_per_row = (image_width * 8 + 7)/8;
// According to:
// http://developer.apple.com/qa/qa2001/qa1037.html
// colorSpace=NULL is for alpha only
color_space = NULL;
// out_image_data = calloc(target_bytes_per_row, image_height);
out_image_data = malloc(target_bytes_per_row * image_height);
if(NULL == out_image_data)
{
OSG_WARN << "In CreateCGImageFromOSGData, malloc failed" << std::endl;
return NULL;
}
vimage_buffer_out.data = out_image_data;
vimage_buffer_out.rowBytes = target_bytes_per_row;
// Now invert the image
vimage_error_flag = vImageVerticalReflect_Planar8(
&vimage_buffer_in, // since the osg_image is const...
&vimage_buffer_out, // don't reuse the buffer
kvImageNoFlags
);
if(vimage_error_flag != kvImageNoError)
{
OSG_WARN << "In CreateCGImageFromOSGData for GL_ALPHA, vImageVerticalReflect_Planar8 failed with vImage Error Code: " << vimage_error_flag << std::endl;
free(out_image_data);
return NULL;
}
break;
}
/*
case GL_LUMINANCE_ALPHA:
{
// I don't know if we can support this.
// The qa1037 doesn't show both gray+alpha.
break;
}
*/
case GL_RGB:
{
bitmap_info = kCGImageAlphaNoneSkipFirst;
target_bytes_per_row = (image_width * 8 * 4 + 7)/8;
//color_space = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
color_space = CGColorSpaceCreateDeviceRGB();
if(NULL == color_space)
{
OSG_WARN << "In CreateCGImageFromOSGData, CGColorSpaceCreateWithName failed" << std::endl;
return NULL;
}
// out_image_data = calloc(target_bytes_per_row, image_height);
out_image_data = malloc(target_bytes_per_row * image_height);
if(NULL == out_image_data)
{
OSG_WARN << "In CreateCGImageFromOSGData, malloc failed" << std::endl;
CGColorSpaceRelease(color_space);
return NULL;
}
// Use vImage to get an RGB buffer into ARGB.
vimage_buffer_out.data = out_image_data;
vimage_buffer_out.rowBytes = target_bytes_per_row;
vimage_error_flag = vImageConvert_RGB888toARGB8888(
&vimage_buffer_in,
NULL, // we don't have a buffer containing alpha values
255, // The alpha value we want given to all pixels since we don't have a buffer
&vimage_buffer_out,
0, // premultiply?
kvImageNoFlags // Only responds to kvImageDoNotTile, but I think we want tiling/threading
);
if(vimage_error_flag != kvImageNoError)
{
OSG_WARN << "In CreateCGImageFromOSGData, vImageConvert_RGB888toARGB8888 failed with vImage Error Code: " << vimage_error_flag << std::endl;
free(out_image_data);
CGColorSpaceRelease(color_space);
return NULL;
}
// Now invert the image
vimage_error_flag = vImageVerticalReflect_ARGB8888(
&vimage_buffer_out,
&vimage_buffer_out, // reuse the same buffer
kvImageNoFlags
);
if(vimage_error_flag != kvImageNoError)
{
OSG_WARN << "In CreateCGImageFromOSGData, vImageAffineWarp_ARGB8888 failed with vImage Error Code: " << vimage_error_flag << std::endl;
free(out_image_data);
CGColorSpaceRelease(color_space);
return NULL;
}
break;
}
case GL_RGBA:
{
bitmap_info = kCGImageAlphaPremultipliedLast;
target_bytes_per_row = osg_image.getRowSizeInBytes();
//color_space = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
color_space = CGColorSpaceCreateDeviceRGB();
if(NULL == color_space)
{
OSG_WARN << "In CreateCGImageFromOSGData, CGColorSpaceCreateWithName failed" << std::endl;
return NULL;
}
// out_image_data = calloc(target_bytes_per_row, image_height);
out_image_data = malloc(target_bytes_per_row * image_height);
if(NULL == out_image_data)
{
OSG_WARN << "In CreateCGImageFromOSGData, malloc failed" << std::endl;
CGColorSpaceRelease(color_space);
return NULL;
}
vimage_buffer_out.data = out_image_data;
vimage_buffer_out.rowBytes = target_bytes_per_row;
// Invert the image
vimage_error_flag = vImageVerticalReflect_ARGB8888(
&vimage_buffer_in, // since the osg_image is const...
&vimage_buffer_out, // don't reuse the buffer
kvImageNoFlags
);
if(vimage_error_flag != kvImageNoError)
{
OSG_WARN << "In CreateCGImageFromOSGData, vImageAffineWarp_ARGB8888 failed with vImage Error Code: " << vimage_error_flag << std::endl;
free(out_image_data);
CGColorSpaceRelease(color_space);
return NULL;
}
break;
}
case GL_BGRA:
{
if(GL_UNSIGNED_INT_8_8_8_8_REV == osg_image.getDataType())
{
#if __BIG_ENDIAN__
bitmap_info = kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Big; /* XRGB Big Endian */
#else
bitmap_info = kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Little; /* XRGB Little Endian */
#endif
}
else
{
// FIXME: Don't know how to handle this case
bitmap_info = kCGImageAlphaPremultipliedLast;
}
target_bytes_per_row = osg_image.getRowSizeInBytes();
//color_space = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
color_space = CGColorSpaceCreateDeviceRGB();
if(NULL == color_space)
{
OSG_WARN << "In CreateCGImageFromOSGData, CGColorSpaceCreateWithName failed" << std::endl;
return NULL;
}
// out_image_data = calloc(target_bytes_per_row, image_height);
out_image_data = malloc(target_bytes_per_row * image_height);
if(NULL == out_image_data)
{
OSG_WARN << "In CreateCGImageFromOSGData, malloc failed" << std::endl;
CGColorSpaceRelease(color_space);
return NULL;
}
vimage_buffer_out.data = out_image_data;
vimage_buffer_out.rowBytes = target_bytes_per_row;
// Invert the image
vimage_error_flag = vImageVerticalReflect_ARGB8888(
&vimage_buffer_in, // since the osg_image is const...
&vimage_buffer_out, // don't reuse the buffer
kvImageNoFlags
);
if(vimage_error_flag != kvImageNoError)
{
OSG_WARN << "In CreateCGImageFromOSGData, vImageAffineWarp_ARGB8888 failed with vImage Error Code: " << vimage_error_flag << std::endl;
free(out_image_data);
CGColorSpaceRelease(color_space);
return NULL;
}
break;
}
// FIXME: Handle other cases.
// Use vImagePermuteChannels_ARGB8888 to swizzle bytes
default:
{
OSG_WARN << "In CreateCGImageFromOSGData: Sorry support for this format is not implemented." << std::endl;
return NULL;
break;
}
}
CGContextRef bitmap_context = CGBitmapContextCreate(
vimage_buffer_out.data,
vimage_buffer_out.width,
vimage_buffer_out.height,
8,
vimage_buffer_out.rowBytes,
color_space,
bitmap_info
);
/* Done with color space */
CGColorSpaceRelease(color_space);
if(NULL == bitmap_context)
{
free(out_image_data);
return NULL;
}
/* Make an image out of our bitmap; does a cheap vm_copy of the bitmap */
CGImageRef image_ref = CGBitmapContextCreateImage(bitmap_context);
/* Done with data */
free(out_image_data);
/* Done with bitmap_context */
CGContextRelease(bitmap_context);
return image_ref;
}
WriteResult::WriteStatus writeTIFStream(std::ostream& fout, const osg::Image& img, const osgDB::ReaderWriter::Options* options) const
{
int compressionType = COMPRESSION_PACKBITS;
if (options) {
std::istringstream iss(options->getOptionString());
std::string opt;
while (iss >> opt) {
opt = osgDB::convertToLowerCase(opt);
std::size_t eqInd = opt.find("=");
if (opt.substr(0, eqInd) == "tiff_compression") {
std::string compressTypeOpt;
compressTypeOpt = opt.substr(eqInd + 1);
compressTypeOpt = osgDB::convertToLowerCase(compressTypeOpt);
if (compressTypeOpt == "packbits") {
compressionType = COMPRESSION_PACKBITS;
}
else if (compressTypeOpt == "lzw") {
compressionType = COMPRESSION_LZW;
}
else if (compressTypeOpt == "jpeg") {
compressionType = COMPRESSION_JPEG;
}
}
}
}
//Code is based from the following article on CodeProject.com
//http://www.codeproject.com/bitmap/BitmapsToTiffs.asp
TIFF *image;
int samplesPerPixel;
int bitsPerSample;
uint16 photometric;
image = TIFFClientOpen("outputstream", "w", (thandle_t)&fout,
libtiffOStreamReadProc, //Custom read function
libtiffOStreamWriteProc, //Custom write function
libtiffOStreamSeekProc, //Custom seek function
libtiffStreamCloseProc, //Custom close function
libtiffOStreamSizeProc, //Custom size function
libtiffStreamMapProc, //Custom map function
libtiffStreamUnmapProc); //Custom unmap function
if(image == NULL)
{
return WriteResult::ERROR_IN_WRITING_FILE;
}
switch(img.getPixelFormat()) {
case GL_DEPTH_COMPONENT:
case GL_LUMINANCE:
case GL_ALPHA:
photometric = PHOTOMETRIC_MINISBLACK;
samplesPerPixel = 1;
break;
case GL_LUMINANCE_ALPHA:
photometric = PHOTOMETRIC_MINISBLACK;
samplesPerPixel = 2;
break;
case GL_RGB:
photometric = PHOTOMETRIC_RGB;
samplesPerPixel = 3;
break;
case GL_RGBA:
photometric = PHOTOMETRIC_RGB;
samplesPerPixel = 4;
break;
default:
return WriteResult::ERROR_IN_WRITING_FILE;
break;
}
switch(img.getDataType()){
case GL_FLOAT:
TIFFSetField(image, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_IEEEFP);
TIFFSetField(image, TIFFTAG_ROWSPERSTRIP, 1);
bitsPerSample = 32;
break;
case GL_SHORT:
TIFFSetField(image, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_INT);
bitsPerSample = 16;
break;
default:
bitsPerSample = 8;
break;
}
TIFFSetField(image, TIFFTAG_IMAGEWIDTH,img.s());
TIFFSetField(image, TIFFTAG_IMAGELENGTH,img.t());
TIFFSetField(image, TIFFTAG_BITSPERSAMPLE,bitsPerSample);
TIFFSetField(image, TIFFTAG_SAMPLESPERPIXEL,samplesPerPixel);
TIFFSetField(image, TIFFTAG_PHOTOMETRIC, photometric);
TIFFSetField(image, TIFFTAG_COMPRESSION, compressionType);
TIFFSetField(image, TIFFTAG_FILLORDER, FILLORDER_MSB2LSB);
TIFFSetField(image, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
//uint32 rowsperstrip = TIFFDefaultStripSize(image, -1);
//TIFFSetField(image, TIFFTAG_ROWSPERSTRIP, rowsperstrip);
// Write the information to the file
for(int i = 0; i < img.t(); ++i) {
TIFFWriteScanline(image,(tdata_t)img.data(0,img.t()-i-1),i,0);
}
// Close the file
TIFFClose(image);
return WriteResult::FILE_SAVED;
}
WriteResult::WriteStatus writeTIFStream(std::ostream& fout, const osg::Image& img) const
{
//Code is based from the following article on CodeProject.com
//http://www.codeproject.com/bitmap/BitmapsToTiffs.asp
TIFF *image;
int samplesPerPixel;
int bitsPerSample;
uint16 photometric;
image = TIFFClientOpen("outputstream", "w", (thandle_t)&fout,
libtiffOStreamReadProc, //Custom read function
libtiffOStreamWriteProc, //Custom write function
libtiffOStreamSeekProc, //Custom seek function
libtiffStreamCloseProc, //Custom close function
libtiffOStreamSizeProc, //Custom size function
libtiffStreamMapProc, //Custom map function
libtiffStreamUnmapProc); //Custom unmap function
if(image == NULL)
{
return WriteResult::ERROR_IN_WRITING_FILE;
}
switch(img.getPixelFormat()) {
case GL_LUMINANCE:
case GL_ALPHA:
photometric = PHOTOMETRIC_MINISBLACK;
samplesPerPixel = 1;
break;
case GL_LUMINANCE_ALPHA:
photometric = PHOTOMETRIC_MINISBLACK;
samplesPerPixel = 2;
break;
case GL_RGB:
photometric = PHOTOMETRIC_RGB;
samplesPerPixel = 3;
break;
case GL_RGBA:
photometric = PHOTOMETRIC_RGB;
samplesPerPixel = 4;
break;
default:
return WriteResult::ERROR_IN_WRITING_FILE;
break;
}
switch(img.getDataType()){
case GL_FLOAT:
TIFFSetField(image, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_IEEEFP);
TIFFSetField(image, TIFFTAG_ROWSPERSTRIP, 1);
bitsPerSample = 32;
break;
default:
bitsPerSample = 8;
break;
}
TIFFSetField(image, TIFFTAG_IMAGEWIDTH,img.s());
TIFFSetField(image, TIFFTAG_IMAGELENGTH,img.t());
TIFFSetField(image, TIFFTAG_BITSPERSAMPLE,bitsPerSample);
TIFFSetField(image, TIFFTAG_SAMPLESPERPIXEL,samplesPerPixel);
TIFFSetField(image, TIFFTAG_PHOTOMETRIC, photometric);
TIFFSetField(image, TIFFTAG_COMPRESSION, COMPRESSION_PACKBITS);
TIFFSetField(image, TIFFTAG_FILLORDER, FILLORDER_MSB2LSB);
TIFFSetField(image, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
//uint32 rowsperstrip = TIFFDefaultStripSize(image, -1);
//TIFFSetField(image, TIFFTAG_ROWSPERSTRIP, rowsperstrip);
// Write the information to the file
for(int i = 0; i < img.t(); ++i) {
TIFFWriteScanline(image,(tdata_t)img.data(0,img.t()-i-1),i,0);
}
// Close the file
TIFFClose(image);
return WriteResult::FILE_SAVED;
}
// Main interface with NVTT
void NVTTProcessor::process( osg::Image& image, nvtt::Format format, bool generateMipMap, bool resizeToPowerOfTwo, CompressionMethod method, CompressionQuality quality)
{
// Fill input options
nvtt::InputOptions inputOptions;
inputOptions.setTextureLayout(nvtt::TextureType_2D, image.s(), image.t() );
inputOptions.setNormalMap(false);
inputOptions.setConvertToNormalMap(false);
inputOptions.setGamma(2.2f, 2.2f);
inputOptions.setNormalizeMipmaps(false);
inputOptions.setWrapMode(nvtt::WrapMode_Clamp);
if (resizeToPowerOfTwo)
{
inputOptions.setRoundMode(nvtt::RoundMode_ToNearestPowerOfTwo);
}
inputOptions.setMipmapGeneration(generateMipMap);
if (image.getPixelFormat() == GL_RGBA)
{
inputOptions.setAlphaMode( nvtt::AlphaMode_Transparency );
}
else
{
inputOptions.setAlphaMode( nvtt::AlphaMode_None );
}
std::vector<unsigned char> imageData( image.s() * image.t() * 4 );
if (image.getPixelFormat() == GL_RGB)
{
convertRGBToBGRA( imageData, image );
}
else
{
convertRGBAToBGRA( imageData, image );
}
inputOptions.setMipmapData(&imageData[0],image.s(),image.t());
// Fill compression options
nvtt::CompressionOptions compressionOptions;
switch(quality)
{
case FASTEST:
compressionOptions.setQuality( nvtt::Quality_Fastest );
break;
case NORMAL:
compressionOptions.setQuality( nvtt::Quality_Normal );
break;
case PRODUCTION:
compressionOptions.setQuality( nvtt::Quality_Production);
break;
case HIGHEST:
compressionOptions.setQuality( nvtt::Quality_Highest);
break;
}
compressionOptions.setFormat( format );
//compressionOptions.setQuantization(false,false,false);
if (format == nvtt::Format_RGBA)
{
if (image.getPixelFormat() == GL_RGB)
{
compressionOptions.setPixelFormat(24,0xff,0xff00,0xff0000,0);
}
else
{
compressionOptions.setPixelFormat(32,0xff,0xff00,0xff0000,0xff000000);
}
}
// Handler
OSGImageOutputHandler outputHandler(format,image.getPixelFormat() == GL_RGB);
VPBErrorHandler errorHandler;
// Fill output options
nvtt::OutputOptions outputOptions;
outputOptions.setOutputHandler(&outputHandler);
outputOptions.setErrorHandler(&errorHandler);
outputOptions.setOutputHeader(false);
// Process the compression now
nvtt::Compressor compressor;
if(method == USE_GPU)
{
compressor.enableCudaAcceleration(true);
if(!compressor.isCudaAccelerationEnabled())
{
OSG_WARN<< "CUDA acceleration was enabled but it is not available. CPU will be used."<<std::endl;
}
}
else
{
compressor.enableCudaAcceleration(false);
}
compressor.process(inputOptions,compressionOptions,outputOptions);
outputHandler.assignImage(image);
}
virtual WriteResult writeImage(const osg::Image &img,const std::string& fileName, const osgDB::ReaderWriter::Options* options) const
{
std::string ext = osgDB::getFileExtension(fileName);
if (!acceptsExtension(ext)) return WriteResult::FILE_NOT_HANDLED;
if (!img.isDataContiguous())
{
OSG_WARN<<"Warning: Writing of image data, that is non contiguous, is not supported by JPEG2000 plugin."<<std::endl;
return WriteResult::ERROR_IN_WRITING_FILE;
}
jas_image_cmptparm_t cmptparms[4];
jas_image_cmptparm_t *cmptparm;
int internalFormat = osg::Image::computeNumComponents(img.getPixelFormat());
jas_stream_t* mem = jas_stream_memopen((char*)img.data(), internalFormat*img.s()*img.t());
/* Create an image of the correct size. */
jas_image_t* jimage;
int i;
for (i = 0, cmptparm = cmptparms; i < internalFormat; ++i, ++cmptparm) {
cmptparm->tlx = 0;
cmptparm->tly = 0;
cmptparm->hstep = 1;
cmptparm->vstep = 1;
cmptparm->width = img.s();
cmptparm->height = img.t();
cmptparm->prec = 8;
cmptparm->sgnd = 0;
}
if (!(jimage = jas_image_create(internalFormat, cmptparms, JAS_CLRSPC_UNKNOWN))) {
return WriteResult::ERROR_IN_WRITING_FILE;
}
if(internalFormat == 1)
{
jas_image_setclrspc(jimage, JAS_CLRSPC_GENGRAY);
jas_image_setcmpttype(jimage, 0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y));
}
else if(internalFormat == 2)
{
jas_image_setclrspc(jimage, JAS_CLRSPC_GENGRAY);
jas_image_setcmpttype(jimage, 0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y));
jas_image_setcmpttype(jimage, 1, JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_OPACITY));
}
else if(internalFormat == 3)
{
jas_image_setclrspc(jimage, JAS_CLRSPC_SRGB);
jas_image_setcmpttype(jimage, 0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R));
jas_image_setcmpttype(jimage, 1, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G));
jas_image_setcmpttype(jimage, 2, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B));
}
else if(internalFormat == 4)
{
jas_image_setclrspc(jimage, JAS_CLRSPC_SRGB);
jas_image_setcmpttype(jimage, 0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R));
jas_image_setcmpttype(jimage, 1, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G));
jas_image_setcmpttype(jimage, 2, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B));
jas_image_setcmpttype(jimage, 3, JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_OPACITY));
}
getdata(mem, jimage);
FILE * fileHandle = osgDB::fopen(fileName.c_str(), "wb");
if (!fileHandle) {
return WriteResult::ERROR_IN_WRITING_FILE;
}
jas_stream_t* out = jas_stream_freopen(fileName.c_str(), "wb", fileHandle); // Replacement for jas_stream_fopen() to be able to support UTF8
if (!out) {
fclose(fileHandle);
return WriteResult::ERROR_IN_WRITING_FILE;
}
char* opt = 0;
if(options)
{
opt = new char[options->getOptionString().size() + 1];
strcpy(opt, options->getOptionString().c_str());
}
jas_image_encode(jimage, out, _fmt_jp2, opt);
if(opt) delete[] opt;
jas_stream_flush(out);
jas_stream_close(out);
jas_image_destroy(jimage);
fclose(fileHandle);
return WriteResult::FILE_SAVED;
}
WriteResult writeImage(const osg::Image& img, std::ostream& fout, const Options* options) const
{
if (!img.isDataContiguous())
{
OSG_WARN<<"Warning: Writing of image data, that is non contiguous, is not supported by JPEG2000 plugin."<<std::endl;
return WriteResult::ERROR_IN_WRITING_FILE;
}
jas_image_cmptparm_t cmptparms[4];
jas_image_cmptparm_t *cmptparm;
int internalFormat = osg::Image::computeNumComponents(img.getPixelFormat());
jas_stream_t* mem = jas_stream_memopen((char*)img.data(), internalFormat*img.s()*img.t());
/* Create an image of the correct size. */
jas_image_t* jimage;
int i;
for (i = 0, cmptparm = cmptparms; i < internalFormat; ++i, ++cmptparm) {
cmptparm->tlx = 0;
cmptparm->tly = 0;
cmptparm->hstep = 1;
cmptparm->vstep = 1;
cmptparm->width = img.s();
cmptparm->height = img.t();
cmptparm->prec = 8;
cmptparm->sgnd = 0;
}
if (!(jimage = jas_image_create(internalFormat, cmptparms, JAS_CLRSPC_UNKNOWN))) {
return WriteResult::ERROR_IN_WRITING_FILE;
}
if(internalFormat == 1)
{
jas_image_setclrspc(jimage, JAS_CLRSPC_SGRAY);
jas_image_setcmpttype(jimage, 0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y));
}
else if(internalFormat == 2)
{
jas_image_setclrspc(jimage, JAS_CLRSPC_SGRAY);
jas_image_setcmpttype(jimage, 0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y));
jas_image_setcmpttype(jimage, 1, JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_OPACITY));
}
else if(internalFormat == 3)
{
jas_image_setclrspc(jimage, JAS_CLRSPC_SRGB);
jas_image_setcmpttype(jimage, 0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R));
jas_image_setcmpttype(jimage, 1, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G));
jas_image_setcmpttype(jimage, 2, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B));
}
else if(internalFormat == 4)
{
jas_image_setclrspc(jimage, JAS_CLRSPC_SRGB);
jas_image_setcmpttype(jimage, 0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R));
jas_image_setcmpttype(jimage, 1, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G));
jas_image_setcmpttype(jimage, 2, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B));
jas_image_setcmpttype(jimage, 3, JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_OPACITY));
}
getdata(mem, jimage);
jas_stream_t* out = jas_stream_memopen(0, 0);
if (!out)
return WriteResult::ERROR_IN_WRITING_FILE;
char* opt = 0;
if(options)
{
opt = new char[options->getOptionString().size() + 1];
strcpy(opt, options->getOptionString().c_str());
}
jas_image_encode(jimage, out, _fmt_jp2, opt);
if(opt) delete[] opt;
jas_stream_flush(out);
// now the encoded jp2 image resides in the out->buf_ member with size out->len_ we now need to stream it to a std::ostream
jas_stream_memobj_t* obj = (jas_stream_memobj_t*) out->obj_;
fout.write((char*)obj->buf_, obj->len_);
fout << std::flush;
jas_stream_close(out);
jas_image_destroy(jimage);
return WriteResult::FILE_SAVED;
}
WriteResult writeRGBStream(const osg::Image& img, std::ostream &fout, const std::string& name) const
{
rawImageRec raw;
raw.imagic = 0732;
GLenum dataType = img.getDataType();
raw.type = dataType == GL_UNSIGNED_BYTE ? 1 :
dataType == GL_BYTE ? 1 :
dataType == GL_BITMAP ? 1 :
dataType == GL_UNSIGNED_SHORT ? 2 :
dataType == GL_SHORT ? 2 :
dataType == GL_UNSIGNED_INT ? 4 :
dataType == GL_INT ? 4 :
dataType == GL_FLOAT ? 4 :
dataType == GL_UNSIGNED_BYTE_3_3_2 ? 1 :
dataType == GL_UNSIGNED_BYTE_2_3_3_REV ? 1 :
dataType == GL_UNSIGNED_SHORT_5_6_5 ? 2 :
dataType == GL_UNSIGNED_SHORT_5_6_5_REV ? 2 :
dataType == GL_UNSIGNED_SHORT_4_4_4_4 ? 2 :
dataType == GL_UNSIGNED_SHORT_4_4_4_4_REV ? 2 :
dataType == GL_UNSIGNED_SHORT_5_5_5_1 ? 2 :
dataType == GL_UNSIGNED_SHORT_1_5_5_5_REV ? 2 :
dataType == GL_UNSIGNED_INT_8_8_8_8 ? 4 :
dataType == GL_UNSIGNED_INT_8_8_8_8_REV ? 4 :
dataType == GL_UNSIGNED_INT_10_10_10_2 ? 4 :
dataType == GL_UNSIGNED_INT_2_10_10_10_REV ? 4 : 4;
GLenum pixelFormat = img.getPixelFormat();
raw.dim = 3;
raw.sizeX = img.s();
raw.sizeY = img.t();
raw.sizeZ =
pixelFormat == GL_COLOR_INDEX? 1 :
pixelFormat == GL_RED? 1 :
pixelFormat == GL_GREEN? 1 :
pixelFormat == GL_BLUE? 1 :
pixelFormat == GL_ALPHA? 1 :
pixelFormat == GL_RGB? 3 :
pixelFormat == GL_BGR ? 3 :
pixelFormat == GL_RGBA? 4 :
pixelFormat == GL_BGRA? 4 :
pixelFormat == GL_LUMINANCE? 1 :
pixelFormat == GL_LUMINANCE_ALPHA ? 2 : 1;
raw.min = 0;
raw.max = 0xFF;
raw.wasteBytes = 0;
strncpy( raw.name, name.c_str(), 80);
raw.colorMap = 0;
raw.bpc = (img.getPixelSizeInBits()/raw.sizeZ)/8;
int isize = img.getImageSizeInBytes();
unsigned char *buffer = new unsigned char[isize];
if(raw.bpc == 1)
{
unsigned char *dptr = buffer;
int i, j;
for( i = 0; i < raw.sizeZ; ++i )
{
const unsigned char *ptr = img.data();
ptr += i;
for( j = 0; j < isize/raw.sizeZ; ++j )
{
*(dptr++) = *ptr;
ptr += raw.sizeZ;
}
}
}
else
{ // bpc == 2
unsigned short *dptr = reinterpret_cast<unsigned short*>(buffer);
int i, j;
for( i = 0; i < raw.sizeZ; ++i )
{
const unsigned short *ptr = reinterpret_cast<const unsigned short*>(img.data());
ptr += i;
for( j = 0; j < isize/(raw.sizeZ*2); ++j )
{
*dptr = *ptr;
ConvertShort(dptr++, 1);
ptr += raw.sizeZ;
}
}
}
if( raw.needsBytesSwapped() )
raw.swapBytes();
/*
swapBytes( raw.imagic );
swapBytes( raw.type );
swapBytes( raw.dim );
swapBytes( raw.sizeX );
swapBytes( raw.sizeY );
swapBytes( raw.sizeZ );
swapBytes( raw.min );
swapBytes( raw.max );
swapBytes( raw.colorMap );
*/
char pad[512 - sizeof(rawImageRec)];
memset( pad, 0, sizeof(pad));
fout.write((const char*)&raw,sizeof(rawImageRec));
fout.write((const char*)pad,sizeof(pad));
fout.write((const char*)buffer,isize);
delete [] buffer;
return WriteResult::FILE_SAVED;
}
WriteResult local_writeImage(std::ostream& fout,const osg::Image& img,const osgDB::ReaderWriter::Options* options) const
{
std::string my_errmsg;
try
{
gta::header hdr;
gta::compression compression = gta::zlib;
if (options)
{
std::istringstream iss(options->getOptionString());
std::string opt;
std::string compressionMethod;
while (iss >> opt)
{
if (opt == "COMPRESSION")
{
iss >> compressionMethod;
}
};
if (compressionMethod == "NONE")
compression = gta::none;
else if (compressionMethod == "ZLIB")
compression = gta::zlib;
else if (compressionMethod == "ZLIB1")
compression = gta::zlib1;
else if (compressionMethod == "ZLIB2")
compression = gta::zlib2;
else if (compressionMethod == "ZLIB3")
compression = gta::zlib3;
else if (compressionMethod == "ZLIB4")
compression = gta::zlib4;
else if (compressionMethod == "ZLIB5")
compression = gta::zlib5;
else if (compressionMethod == "ZLIB6")
compression = gta::zlib6;
else if (compressionMethod == "ZLIB7")
compression = gta::zlib7;
else if (compressionMethod == "ZLIB8")
compression = gta::zlib8;
else if (compressionMethod == "ZLIB9")
compression = gta::zlib9;
else if (compressionMethod == "BZIP2")
compression = gta::bzip2;
else if (compressionMethod == "XZ")
compression = gta::xz;
}
hdr.set_compression(compression);
if (img.s() > 0 && img.t() <= 1 && img.r() <= 1)
{
hdr.set_dimensions(img.s());
}
else if (img.s() > 0 && img.t() > 1 && img.r() <= 1)
{
hdr.set_dimensions(img.s(), img.t());
}
else if (img.s() > 0 && img.t() > 1 && img.r() > 1)
{
hdr.set_dimensions(img.s(), img.t(), img.r());
}
else
{
my_errmsg = "Image has unsupported dimensions";
throw std::exception();
}
gta::type type;
switch (img.getDataType())
{
case GL_BYTE:
type = gta::int8;
break;
case GL_UNSIGNED_BYTE:
type = gta::uint8;
break;
case GL_SHORT:
type = gta::int16;
break;
case GL_UNSIGNED_SHORT:
type = gta::uint16;
break;
case GL_INT:
type = gta::int32;
break;
case GL_UNSIGNED_INT:
type = gta::uint32;
break;
case GL_FLOAT:
type = gta::float32;
break;
default:
my_errmsg = "Image has unsupported data type";
throw std::exception();
}
switch (img.getPixelFormat())
{
case 1:
case GL_DEPTH_COMPONENT:
case GL_LUMINANCE:
case GL_ALPHA:
hdr.set_components(type);
break;
case 2:
case GL_LUMINANCE_ALPHA:
hdr.set_components(type, type);
break;
case 3:
case GL_RGB:
hdr.set_components(type, type, type);
break;
case 4:
case GL_RGBA:
hdr.set_components(type, type, type, type);
break;
default:
my_errmsg = "Image has unsupported pixel format";
throw std::exception();
}
if (img.getPacking() != 1)
{
my_errmsg = "Image has unsupported packing";
throw std::exception();
}
hdr.write_to(fout);
#if 0 /* Does not seem to be necessary */
if (img.t() > 1 && img.getOrigin() == osg::Image::BOTTOM_LEFT)
{
int depth = (img.r() >= 1 ? img.r() : 1);
const unsigned char* data = static_cast<const unsigned char*>(img.getDataPointer());
size_t row_size = hdr.element_size() * img.s();
gta::io_state io_state;
for (int k = 0; k < depth; k++)
{
const unsigned char* slice = data + k * (row_size * img.t());
for (int j = 0; j < img.t(); j++)
{
const unsigned char* p = slice + (img.t() - 1 - j) * row_size;
hdr.write_elements(io_state, fout, img.s(), p);
}
}
}
else
{
hdr.write_data(fout, img.getDataPointer());
}
#endif
hdr.write_data(fout, img.getDataPointer());
}
bool writeEXRStream(const osg::Image &img, std::ostream& fout, const std::string &fileName) const
{
bool writeOK = true;
//Obtain data from texture
int width = img.s();
int height = img.t();
unsigned int pixelFormat = img.getPixelFormat();
int numComponents = img.computeNumComponents(pixelFormat);
unsigned int dataType = img.getDataType();
//Validates image data
//if numbers of components matches
if (!( numComponents == 3 ||
numComponents == 4))
{
writeOK = false;
return false;
}
if (!( dataType == GL_HALF_FLOAT_ARB ||
dataType == GL_FLOAT))
{
writeOK = false;
return false;
}
//Create a stream to save to
C_OStream outStream(&fout);
//Copy data from texture to rgba pixel format
Array2D<Rgba> outPixels(height,width);
//If texture is half format
if (dataType == GL_HALF_FLOAT_ARB)
{
half* pOut = (half*) img.data();
for (long i = height-1; i >= 0; i--)
{
for (long j = 0 ; j < width; j++)
{
outPixels[i][j].r = (*pOut);
pOut++;
outPixels[i][j].g = (*pOut);
pOut++;
outPixels[i][j].b = (*pOut);
pOut++;
if (numComponents >= 4)
{
outPixels[i][j].a = (*pOut);
pOut++;
}
else {
outPixels[i][j].a = 1.0f;
}
}
}
}
else if (dataType == GL_FLOAT)
{
float* pOut = (float*) img.data();
for (long i = height-1; i >= 0; i--)
{
for (long j = 0 ; j < width; j++)
{
outPixels[i][j].r = half(*pOut);
pOut++;
outPixels[i][j].g = half(*pOut);
pOut++;
outPixels[i][j].b = half(*pOut);
pOut++;
if (numComponents >= 4)
{
outPixels[i][j].a = half(*pOut);
pOut++;
}
else
{
outPixels[i][j].a = 1.0f;
}
}
}
}
else
{
//If texture format not supported
return false;
}
try
{
//Write to stream
Header outHeader(width, height);
RgbaOutputFile rgbaFile (outStream, outHeader, WRITE_RGBA);
rgbaFile.setFrameBuffer ((&outPixels)[0][0], 1, width);
rgbaFile.writePixels (height);
}
catch( char * str )
{
writeOK = false;
}
return writeOK;
}
