mcs/class/Mono.Cairo/Mono.Cairo/Pattern.cs

   1 //
   2 // Mono.Cairo.Pattern.cs
   3 //
   4 // Author: Jordi Mas (jordi@ximian.com)
   5 //         Hisham Mardam Bey (hisham.mardambey@gmail.com)
   6 // (C) Ximian Inc, 2004.
   7 //
   8 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System;
  31 using System.Collections;
  32
  33 namespace Cairo {
  34
  35         public class Pattern : IDisposable
  36         {
  37                 [Obsolete]
  38                 protected IntPtr pattern = IntPtr.Zero;
  39
  40                 public static Pattern Lookup (IntPtr pattern, bool owner)
  41                 {
  42                         if (pattern == IntPtr.Zero)
  43                                 return null;
  44
  45                         PatternType pt = NativeMethods.cairo_pattern_get_type (pattern);
  46                         switch (pt) {
  47                         case PatternType.Solid:
  48                                 return new SolidPattern (pattern, owner);
  49                         case PatternType.Surface:
  50                                 return new SurfacePattern (pattern, owner);
  51                         case PatternType.Linear:
  52                                 return new LinearGradient (pattern, owner);
  53                         case PatternType.Radial:
  54                                 return new RadialGradient (pattern, owner);
  55                         default:
  56                                 return new Pattern (pattern, owner);
  57                         }
  58                 }
  59
  60                 [Obsolete]
  61                 protected Pattern ()
  62                 {
  63                 }
  64
  65                 internal Pattern (IntPtr handle, bool owned)
  66                 {
  67                         Handle = handle;
  68                         if (!owned)
  69                                 NativeMethods.cairo_pattern_reference (handle);
  70                         if (CairoDebug.Enabled)
  71                                 CairoDebug.OnAllocated (handle);
  72                 }
  73
  74                 ~Pattern ()
  75                 {
  76                         Dispose (false);
  77                 }
  78
  79                 [Obsolete ("Use the SurfacePattern constructor")]
  80                 public Pattern (Surface surface)
  81                         : this ( NativeMethods.cairo_pattern_create_for_surface (surface.Handle), true)
  82                 {
  83                 }
  84
  85                 [Obsolete]
  86                 protected void Reference ()
  87                 {
  88                         NativeMethods.cairo_pattern_reference (pattern);
  89                 }
  90
  91                 public void Dispose ()
  92                 {
  93                         Dispose (true);
  94                         GC.SuppressFinalize (this);
  95                 }
  96
  97                 protected virtual void Dispose (bool disposing)
  98                 {
  99                         if (!disposing || CairoDebug.Enabled)
 100                                 CairoDebug.OnDisposed<Pattern> (Handle, disposing);
 101
 102                         if (!disposing|| Handle == IntPtr.Zero)
 103                                 return;
 104
 105                         NativeMethods.cairo_pattern_destroy (Handle);
 106                         Handle = IntPtr.Zero;
 107                 }
 108
 109                 [Obsolete ("Use Dispose()")]
 110                 public void Destroy ()
 111                 {
 112                         Dispose ();
 113                 }
 114
 115                 public Status Status
 116                 {
 117                         get { return NativeMethods.cairo_pattern_status (Handle); }
 118                 }
 119
 120                 public Extend Extend
 121                 {
 122                         get { return NativeMethods.cairo_pattern_get_extend (Handle); }
 123                         set { NativeMethods.cairo_pattern_set_extend (Handle, value); }
 124                 }
 125
 126                 public Matrix Matrix {
 127                         set {
 128                                 NativeMethods.cairo_pattern_set_matrix (Handle, value);
 129                         }
 130
 131                         get {
 132                                 Matrix m = new Matrix ();
 133                                 NativeMethods.cairo_pattern_get_matrix (Handle, m);
 134                                 return m;
 135                         }
 136                 }
 137
 138 #pragma warning disable 612
 139                 public IntPtr Handle {
 140                         get { return pattern; }
 141                         private set { pattern = value; }
 142                 }
 143 #pragma warning restore 612
 144
 145                 [Obsolete]
 146                 public IntPtr Pointer {
 147                         get { return pattern; }
 148                 }
 149
 150                 public PatternType PatternType {
 151                         get { return NativeMethods.cairo_pattern_get_type (Handle); }
 152                 }
 153         }
 154 }
 155