X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgraphics%2Fimageloader.cpp;h=9b8a42def04a6928162000a967bbefe2e71cb226;hb=24da3e62cf22663ef16b61b9510fbac49308f756;hp=e224af63cd161495a7e13a7ee795c92273864678;hpb=3e5d7f41a6771acdcb5b21d2f06b93e555987264;p=libs%2Fgui.git

diff --git a/source/graphics/imageloader.cpp b/source/graphics/imageloader.cpp
index e224af6..9b8a42d 100644
--- a/source/graphics/imageloader.cpp
+++ b/source/graphics/imageloader.cpp
@@ -32,6 +32,15 @@ ImageLoader::~ImageLoader()
 	delete source;
 }
 
+bool ImageLoader::detect_signature(const std::string &sig)
+{
+	Registry &registry = get_registry();
+	for(const RegisterBase *r: registry.loaders)
+		if(r->detect(sig))
+			return true;
+	return false;
+}
+
 ImageLoader *ImageLoader::open_file(const string &fn)
 {
 	try
@@ -59,12 +68,11 @@ ImageLoader *ImageLoader::open_io(IO::Seekable &io)
 	if(registry.loaders.empty())
 		throw unsupported_image_format("no loaders");
 
-	vector<char> sig_buf(registry.loaders.back()->get_signature_size());
-	unsigned sig_len = io.read(&sig_buf[0], sig_buf.size());
-	string signature(sig_buf.begin(), sig_buf.end());
+	string signature(registry.loaders.back()->get_signature_size(), 0);
+	unsigned sig_len = io.read(&signature[0], signature.size());
 
 	ImageLoader *loader = 0;
-	for(list<RegisterBase *>::const_iterator i=registry.loaders.begin(); (!loader && i!=registry.loaders.end()); ++i)
+	for(auto i=registry.loaders.begin(); (!loader && i!=registry.loaders.end()); ++i)
 		if((*i)->detect(signature))
 			loader = (*i)->create(io);
 
@@ -74,7 +82,7 @@ ImageLoader *ImageLoader::open_io(IO::Seekable &io)
 	{
 		string sig_hex;
 		for(unsigned i=0; i<sig_len; ++i)
-			append(sig_hex, " ", format("%02X", static_cast<unsigned char>(sig_buf[i])));
+			append(sig_hex, " ", format("%02X", static_cast<unsigned char>(signature[i])));
 		throw unsupported_image_format(sig_hex);
 	}
 
@@ -139,8 +147,8 @@ ImageLoader::Registry::Registry():
 
 ImageLoader::Registry::~Registry()
 {
-	for(list<RegisterBase *>::iterator i=loaders.begin(); i!=loaders.end(); ++i)
-		delete *i;
+	for(auto l: loaders)
+		delete l;
 }
 
 } // namespace Graphics