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-rw-r--r--src/extension/internal/image-resolution.h42
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diff --git a/src/extension/internal/image-resolution.h b/src/extension/internal/image-resolution.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Authors:
+ * Daniel Wagenaar <daw@caltech.edu>
+ *
+ * Copyright (C) 2012 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+
+#ifndef IMAGE_RESOLUTION_H
+
+#define IMAGE_RESOLUTION_H
+
+namespace Inkscape {
+namespace Extension {
+namespace Internal {
+
+class ImageResolution {
+public:
+ ImageResolution(char const *fn);
+ bool ok() const;
+ double x() const;
+ double y() const;
+private:
+ bool ok_;
+ double x_;
+ double y_;
+private:
+ void readpng(char const *fn);
+ void readexif(char const *fn);
+ void readexiv(char const *fn);
+ void readjfif(char const *fn);
+ void readmagick(char const *fn);
+};
+
+}
+}
+}
+
+#endif