1 files changed, 68 insertions, 0 deletions
diff --git a/DHTMLX.Export.PDF/Resizer.cs b/DHTMLX.Export.PDF/Resizer.cs
new file mode 100644
index 0000000..4f9ef0e
--- /dev/null
+++ b/DHTMLX.Export.PDF/Resizer.cs
@@ -0,0 +1,68 @@
+using PdfSharp.Drawing;
+using PdfSharp;
+
+
+namespace DHTMLX.Export.PDF
+{
+    internal class Resizer
+    {
+        private double _xRatio = 1;
+        private double _yRatio = 1;
+        public PageOrientation Orient { get; set; }
+        private bool _keep = true;
+        private void _CalcRatio(Orientation actual, Orientation desired)
+        {
+            if (desired == Orientation.Default || actual == desired)
+                return;
+
+            _keep = false;
+
+            _yRatio = 1.0 / _xRatio;
+        }
+
+        public Resizer(PageOrientation from, Orientation to)
+        {
+            _CalcRatio(ToDHXOrient(from), to);
+            if (_keep)
+                Orient = from;
+            else
+                Orient = ToPDFOrient(to);
+        }
+
+        public PageOrientation ToPDFOrient(Orientation orient)
+        {
+            return orient == Orientation.Landscape ? PageOrientation.Landscape : PageOrientation.Portrait;
+        }
+
+        public Orientation ToDHXOrient(PageOrientation orient)
+        {
+            return orient == PageOrientation.Landscape ? Orientation.Landscape : Orientation.Portrait;
+        }
+
+        public XPoint Point(double x, double y)
+        {
+            return new XPoint(ResizeX(x), ResizeY(y));
+        }
+
+        public double ResizeX(double x)
+        {
+            if (_keep)
+                return x;
+
+            return x * _xRatio;
+        }
+
+        public double ResizeY(double y)
+        {
+            if (_keep)
+                return y;
+
+            return y * _yRatio;
+        }
+
+        public XRect Rect(double x, double y, double width, double height)
+        {
+            return new XRect(ResizeX(x), ResizeY(y), ResizeX(width), ResizeY(height));
+        }
+    }
+}
+\ No newline at end of file