bool TGAImageDecoder::Encode( const Image* image, DataStream* ds) {
if (!image) return false;
if (!ds) return false;
if (image->GetFormat()==IMAGE_FORMAT_GRAY)
return false;
TGAHeader header;
header.idlength = 0;
header.colourmaptype = 0;
header.datatypecode = 8 + 2;
header.colourmaporigin = 0;
header.colourmaplength = 0;
header.colourmapdepth = 0;
header.x_origin = 0;
header.y_origin = 0;
header.width = image->GetWidth();
header.height = image->GetHeight();
if (image->GetFormat()==IMAGE_FORMAT_RGB) {
header.bitsperpixel = 24;
header.imagedescriptor = 0;
/// @todo uniplemented
return false;
} else if (image->GetFormat()==IMAGE_FORMAT_RGBA) {
header.bitsperpixel = 32;
header.imagedescriptor = 8 | 0x20;
}
ds->Write(reinterpret_cast<const Byte*> (&header),sizeof(header));
if (image->GetFormat()==IMAGE_FORMAT_RGBA) {
//return SaveRAW32(ds,image);
return SaveRLE32(ds,image);
}
return true;
}
const Data* TGAImageDecoder::Encode( const Image* image) {
if (!image) return 0;
if (image->GetFormat()==IMAGE_FORMAT_GRAY)
return 0;
TGAHeader header;
header.idlength = 0;
header.colourmaptype = 0;
header.datatypecode = 8 + 2;
header.colourmaporigin = 0;
header.colourmaplength = 0;
header.colourmapdepth = 0;
header.x_origin = 0;
header.y_origin = 0;
header.width = image->GetWidth();
header.height = image->GetHeight();
if (image->GetFormat()==IMAGE_FORMAT_RGB) {
header.bitsperpixel = 24;
header.imagedescriptor = 0;
/// @todo uniplemented
return 0;
} else if (image->GetFormat()==IMAGE_FORMAT_RGBA) {
header.bitsperpixel = 32;
header.imagedescriptor = 8 | 0x20;
}
DataArrayImpl* ds = new DataArrayImpl();
ds->append(reinterpret_cast<const Byte*> (&header),sizeof(header));
if (image->GetFormat()==IMAGE_FORMAT_RGBA) {
//return SaveRAW32(ds,image);
if (!SaveRLE32(ds,image)) {
delete ds;
return 0;
}
}
return ds;
}