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| author | Luke <luke.pulverenti@gmail.com> | 2013-02-20 17:10:49 -0800 |
|---|---|---|
| committer | Luke <luke.pulverenti@gmail.com> | 2013-02-20 17:10:49 -0800 |
| commit | 845554722efaed872948a9e0f7202e3ef52f1b6e (patch) | |
| tree | 534ab2d11fe4824ed303bb01e885b330631b657e /MediaBrowser.Controller/Drawing/DrawingUtils.cs | |
| parent | 2f142263f080f7b012a0ec2095d350ccf75b49b7 (diff) | |
| parent | 14bbb6804718ef78a8118fe750896ba679e3b6cb (diff) | |
Merge pull request #1 from MediaBrowser/Repo
Repo
Diffstat (limited to 'MediaBrowser.Controller/Drawing/DrawingUtils.cs')
| -rw-r--r-- | MediaBrowser.Controller/Drawing/DrawingUtils.cs | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/MediaBrowser.Controller/Drawing/DrawingUtils.cs b/MediaBrowser.Controller/Drawing/DrawingUtils.cs new file mode 100644 index 000000000..8e2f829b9 --- /dev/null +++ b/MediaBrowser.Controller/Drawing/DrawingUtils.cs @@ -0,0 +1,81 @@ +using System;
+using System.Drawing;
+
+namespace MediaBrowser.Controller.Drawing
+{
+ public static class DrawingUtils
+ {
+ /// <summary>
+ /// Resizes a set of dimensions
+ /// </summary>
+ public static Size Resize(int currentWidth, int currentHeight, int? width, int? height, int? maxWidth, int? maxHeight)
+ {
+ return Resize(new Size(currentWidth, currentHeight), width, height, maxWidth, maxHeight);
+ }
+
+ /// <summary>
+ /// Resizes a set of dimensions
+ /// </summary>
+ /// <param name="size">The original size object</param>
+ /// <param name="width">A new fixed width, if desired</param>
+ /// <param name="height">A new fixed neight, if desired</param>
+ /// <param name="maxWidth">A max fixed width, if desired</param>
+ /// <param name="maxHeight">A max fixed height, if desired</param>
+ /// <returns>A new size object</returns>
+ public static Size Resize(Size size, int? width, int? height, int? maxWidth, int? maxHeight)
+ {
+ decimal newWidth = size.Width;
+ decimal newHeight = size.Height;
+
+ if (width.HasValue && height.HasValue)
+ {
+ newWidth = width.Value;
+ newHeight = height.Value;
+ }
+
+ else if (height.HasValue)
+ {
+ newWidth = GetNewWidth(newHeight, newWidth, height.Value);
+ newHeight = height.Value;
+ }
+
+ else if (width.HasValue)
+ {
+ newHeight = GetNewHeight(newHeight, newWidth, width.Value);
+ newWidth = width.Value;
+ }
+
+ if (maxHeight.HasValue && maxHeight < newHeight)
+ {
+ newWidth = GetNewWidth(newHeight, newWidth, maxHeight.Value);
+ newHeight = maxHeight.Value;
+ }
+
+ if (maxWidth.HasValue && maxWidth < newWidth)
+ {
+ newHeight = GetNewHeight(newHeight, newWidth, maxWidth.Value);
+ newWidth = maxWidth.Value;
+ }
+
+ return new Size(Convert.ToInt32(newWidth), Convert.ToInt32(newHeight));
+ }
+
+ private static decimal GetNewWidth(decimal currentHeight, decimal currentWidth, int newHeight)
+ {
+ decimal scaleFactor = newHeight;
+ scaleFactor /= currentHeight;
+ scaleFactor *= currentWidth;
+
+ return scaleFactor;
+ }
+
+ private static decimal GetNewHeight(decimal currentHeight, decimal currentWidth, int newWidth)
+ {
+ decimal scaleFactor = newWidth;
+ scaleFactor /= currentWidth;
+ scaleFactor *= currentHeight;
+
+ return scaleFactor;
+ }
+ }
+}
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