1 files changed, 42 insertions, 0 deletions
diff --git a/src/extension/internal/image-resolution.h b/src/extension/internal/image-resolution.h
new file mode 100644
index 0000000..ad69df0
--- /dev/null
+++ b/src/extension/internal/image-resolution.h
@@ -0,0 +1,42 @@
+// 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