1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
//
// Mono.Cairo.ImageSurface.cs
//
// Authors:
// Duncan Mak
// Miguel de Icaza.
//
// (C) Ximian Inc, 2003.
// (C) Novell, Inc. 2003.
//
// This is an OO wrapper API for the Cairo API
//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Runtime.InteropServices;
namespace Cairo {
public class ImageSurface : Surface
{
internal ImageSurface (IntPtr handle, bool owns) : base (handle, owns)
{
}
public ImageSurface (Format format, int width, int height)
: base (NativeMethods.cairo_image_surface_create (format, width, height), true)
{
}
[Obsolete ("Use ImageSurface (byte[] data, Cairo.Format format, int width, int height, int stride)")]
public ImageSurface (ref byte[] data, Cairo.Format format, int width, int height, int stride)
: this (data, format, width, height, stride)
{
}
public ImageSurface (byte[] data, Format format, int width, int height, int stride)
: base (NativeMethods.cairo_image_surface_create_for_data (data, format, width, height, stride), true)
{
}
public ImageSurface (IntPtr data, Format format, int width, int height, int stride)
: base (NativeMethods.cairo_image_surface_create_for_data (data, format, width, height, stride), true)
{
}
public ImageSurface (string filename)
: base (NativeMethods.cairo_image_surface_create_from_png (filename), true)
{
}
public int Width {
get {
CheckDisposed ();
return NativeMethods.cairo_image_surface_get_width (Handle); }
}
public int Height {
get {
CheckDisposed ();
return NativeMethods.cairo_image_surface_get_height (Handle);
}
}
public byte[] Data {
get {
IntPtr ptr = NativeMethods.cairo_image_surface_get_data (Handle);
int length = Height * Stride;
byte[] data = new byte[length];
Marshal.Copy (ptr, data, 0, length);
return data;
}
}
public IntPtr DataPtr {
get {
CheckDisposed ();
return NativeMethods.cairo_image_surface_get_data (Handle);
}
}
public Format Format {
get {
CheckDisposed ();
return NativeMethods.cairo_image_surface_get_format (Handle);
}
}
public int Stride {
get {
CheckDisposed ();
return NativeMethods.cairo_image_surface_get_stride (Handle);
}
}
}
}
|
