1 files changed, 19 insertions, 0 deletions

diff --git a/src/ScaleWindowToWindow.hh b/src/ScaleWindowToWindow.hh
new file mode 100644
index 0000000..63ab297
--- /dev/null
+++ b/src/ScaleWindowToWindow.hh
@@ -0,0 +1,19 @@
+#ifndef SCALEWINDOWTOWINDOW_HH
+#define SCALEWINDOWTOWINDOW_HH
+
+#include "FbTk/FbWindow.hh"
+
+namespace FbPager {
+template <typename T>
+inline void scaleFromWindowToWindow(const FbTk::FbWindow &src, 
+                                    const FbTk::FbWindow &dest,
+                                    T &x, T &y) {
+    float xdiv = static_cast<float>(src.width()) / static_cast<float>(dest.width());
+    float ydiv = static_cast<float>(src.height()) / static_cast<float>(dest.height());
+    x = static_cast<T>((float)(x) / xdiv);
+    y = static_cast<T>((float)(y) / ydiv);
+}
+
+} // end namespace FbPager
+
+#endif // SCALEWINDOWTOWINDOW_HH