ImageResizer.Plugins.Basic.Gradient.GradientVirtualFile Class Reference

Inheritance diagram for ImageResizer.Plugins.Basic.Gradient.GradientVirtualFile:

Collaboration diagram for ImageResizer.Plugins.Basic.Gradient.GradientVirtualFile:

Public Member Functions
	GradientVirtualFile (NameValueCollection query)
System.IO.Stream	Open ()
	Returns an opened stream to the file contents. More...
System.Drawing.Bitmap	GetBitmap ()
	Returns a Bitmap instance of the file's contents More...
string	GetCacheKey (bool includeModifiedDate)

Protected Attributes
ResizeSettings	query

Properties
string	VirtualPath [get]
Properties inherited from ImageResizer.Plugins.IVirtualFile
string	VirtualPath [get]
	The virtual path of the file (relative to the domain, like /app/folder/file.ext) More...

Detailed Description

Definition at line 41 of file Gradient.cs.

Member Function Documentation

System.Drawing.Bitmap ImageResizer.Plugins.Basic.Gradient.GradientVirtualFile.GetBitmap ( )

inline

Returns a Bitmap instance of the file's contents

Returns

Implements ImageResizer.Plugins.IVirtualBitmapFile.

Definition at line 58 of file Gradient.cs.

                                                     {
                Bitmap b = null;
                try {
                    int w = query.Width > 0 ? query.Width : (query.MaxWidth > 0 ? query.MaxWidth : 8);
                    int h = query.Height > 0 ? query.Height : (query.MaxHeight > 0 ? query.MaxHeight : 8);
                    float angle = query.Get<float>("angle", 0);
                    Color c1 = ParseUtils.ParseColor(query["color1"], Color.White);
                    Color c2 = ParseUtils.ParseColor(query["color2"], Color.Black);
                    b = new Bitmap(w, h);

                    using (Graphics g = Graphics.FromImage(b)) 
                    using (Brush brush = new System.Drawing.Drawing2D.LinearGradientBrush(new Rectangle(0,0,w,h),c1,c2,angle)){
                        g.FillRectangle(brush, 0, 0, w, h);
                    }
                } catch {
                    if (b != null) b.Dispose();
                    throw;
                }
                return b;
            }

System.IO.Stream ImageResizer.Plugins.Basic.Gradient.GradientVirtualFile.Open ( )

inline

Returns an opened stream to the file contents.

Returns

Implements ImageResizer.Plugins.IVirtualFile.

Definition at line 49 of file Gradient.cs.

                                           {
                MemoryStream ms = new MemoryStream();
                using (Bitmap b = GetBitmap()) {
                    b.Save(ms, ImageFormat.Png);
                }
                ms.Seek(0, SeekOrigin.Begin);
                return ms;
            }

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The documentation for this class was generated from the following file:

• C:/Users/nathanael/Documents/resizer/Core/Plugins/Basic/Gradient.cs