2006-02-29 Carlos Alberto Cortez <calberto.cortez@gmail.com>
[mono.git] / 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.Runtime.InteropServices;
32 using Cairo;
33
34 namespace Cairo {
35    
36         public class LinearGradient : Gradient
37         {               
38                 public LinearGradient (double x0, double y0, double x1, double y1) : base()
39                 {
40                         pattern = CairoAPI.cairo_pattern_create_linear (x0, y0, x1, y1);
41                 }               
42         }
43    
44         public class RadialGradient : Gradient
45                 {
46                 public RadialGradient (double cx0, double cy0, double radius0,
47                                       double cx1, double cy1, double radius1) : base()
48                 {
49                         pattern = CairoAPI.cairo_pattern_create_radial (cx0, cy0, radius0,
50                                                                     cx1, cy1, radius1);
51                 }
52         }
53
54                 public class Gradient : Pattern
55                 {
56                 public Status AddColorStop (double offset, Cairo.Color c)
57                 {
58                         CairoAPI.cairo_pattern_add_color_stop_rgba (pattern, offset, 
59                                                                   c.R, c.G, c.B, c.A);                
60                         return Status;
61                 }
62
63                 public Status AddColorStopRgb (double offset, Cairo.Color c)
64                 {
65                         CairoAPI.cairo_pattern_add_color_stop_rgb (pattern, offset, 
66                                                                   c.R, c.G, c.B);
67                         return Status;
68                 }               
69                 }
70
71                 public class SolidPattern : Pattern
72                 {
73                         public SolidPattern (Color color, bool solid)
74                         {
75                                 if (solid)
76                                         pattern = CairoAPI.cairo_pattern_create_rgb (color.R, color.G, color.B);
77                                 else
78                                         pattern = CairoAPI.cairo_pattern_create_rgba (color.R, color.G, color.B, color.A);
79                         }
80                 }
81
82                 public class SurfacePattern : Pattern
83                 {
84                         public SurfacePattern (Surface surface)
85                         {
86                                 pattern = CairoAPI.cairo_pattern_create_for_surface (surface.Handle);
87                         }
88
89                         public Extend Extend {
90                                 set { CairoAPI.cairo_pattern_set_extend (pattern, value); }
91                                 get { return CairoAPI.cairo_pattern_get_extend (pattern); }
92                         }
93
94                         public Filter Filter {
95                                 set { CairoAPI.cairo_pattern_set_filter (pattern, value); }
96                                 get { return CairoAPI.cairo_pattern_get_filter (pattern); }
97                         }
98                 }
99    
100         public class Pattern
101         {
102                 protected IntPtr pattern = IntPtr.Zero;
103                 
104                 protected Pattern ()
105                 {
106                 }
107
108                 internal Pattern (IntPtr ptr)
109                 {                       
110                         pattern = ptr;
111                 }               
112                 
113                 public Pattern (Surface surface)
114                 {
115                         pattern = CairoAPI.cairo_pattern_create_for_surface (surface.Handle);
116                 }
117                 
118                 protected void Reference ()
119                 {
120                         CairoAPI.cairo_pattern_reference (pattern);
121                 }
122
123                 public void Destroy ()
124                 {
125                         CairoAPI.cairo_pattern_destroy (pattern);
126                 }
127                 
128                 public Status Status
129                 {
130                         get { return CairoAPI.cairo_pattern_status (pattern); }
131                 }
132                 
133                 public Matrix Matrix {
134                         set { 
135                                 CairoAPI.cairo_pattern_set_matrix (pattern, value);
136                         }
137
138                         get {
139                                 Matrix m = new Matrix ();
140                                 CairoAPI.cairo_pattern_get_matrix (pattern, m);
141                                 return m;
142                         }
143                 }
144
145                 public IntPtr Pointer {
146                         get { return pattern; }
147                 }               
148         }
149 }
150