1 #include <msp/core/refptr.h>
2 #include <msp/io/file.h>
3 #include <msp/strings/format.h>
4 #include "imageloader.h"
6 #include "png/pngloader.h"
9 #include "devil/devilloader.h"
17 ImageLoader::ImageLoader():
21 ImageLoader::~ImageLoader()
26 ImageLoader *ImageLoader::open_file(const string &fn)
30 RefPtr<IO::BufferedFile> file = new IO::BufferedFile(fn);
31 ImageLoader *loader = open_io(*file);
32 loader->source = file.release();
35 catch(const unsupported_image_format &e)
37 throw unsupported_image_format(format("%s: %s", fn, e.what()));
41 ImageLoader *ImageLoader::open_io(IO::Seekable &io)
44 unsigned sig_len = io.read(sig_buf, sizeof(sig_buf));
45 string sig(sig_buf, sig_len);
46 io.seek(0, IO::S_BEG);
48 // TODO register loader classes automatically
49 ImageLoader *loader = 0;
53 else if(PngLoader::detect(sig))
54 loader = new PngLoader(io);
57 else if(DevilLoader::detect(sig))
58 loader = new DevilLoader(io);
63 for(unsigned i=0; i<sig_len; ++i)
67 sig_hex += format("%02X", static_cast<unsigned char>(sig_buf[i]));
69 throw unsupported_image_format(sig_hex);
75 } // namespace Graphics