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Thirdparty/Pangolin/include/pangolin/utils/file_extension.h

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+/* This file is part of the Pangolin Project.
+ * http://github.com/stevenlovegrove/Pangolin
+ *
+ * Copyright (c) 2011 Steven Lovegrove
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#pragma once
+
+#include <pangolin/platform.h>
+#include <string>
+
+namespace pangolin
+{
+
+enum ImageFileType
+{
+    ImageFileTypePpm,
+    ImageFileTypeTga,
+    ImageFileTypePng,
+    ImageFileTypeJpg,
+    ImageFileTypeTiff,
+    ImageFileTypeGif,
+    ImageFileTypeExr,
+    ImageFileTypePango,
+    ImageFileTypePvn,
+    ImageFileTypeZstd,
+    ImageFileTypeLz4,
+    ImageFileTypeP12b,
+    ImageFileTypePly,
+    ImageFileTypeObj,
+    ImageFileTypeUnknown
+};
+
+
+PANGOLIN_EXPORT
+std::string ImageFileTypeToName(ImageFileType);
+
+PANGOLIN_EXPORT
+ImageFileType NameToImageFileType(const std::string&);
+
+PANGOLIN_EXPORT
+std::string FileLowercaseExtention(const std::string& filename);
+
+PANGOLIN_EXPORT
+ImageFileType FileTypeMagic(const unsigned char data[], size_t bytes);
+
+PANGOLIN_EXPORT
+ImageFileType FileTypeExtension(const std::string& ext);
+
+PANGOLIN_EXPORT
+ImageFileType FileType(const std::string& filename);
+
+}