2 // Mono.Cairo.ImageSurface.cs
8 // (C) Ximian Inc, 2003.
9 // (C) Novell, Inc. 2003.
11 // This is an OO wrapper API for the Cairo API
13 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
15 // Permission is hereby granted, free of charge, to any person obtaining
16 // a copy of this software and associated documentation files (the
17 // "Software"), to deal in the Software without restriction, including
18 // without limitation the rights to use, copy, modify, merge, publish,
19 // distribute, sublicense, and/or sell copies of the Software, and to
20 // permit persons to whom the Software is furnished to do so, subject to
21 // the following conditions:
23 // The above copyright notice and this permission notice shall be
24 // included in all copies or substantial portions of the Software.
26 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
30 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
31 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
32 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
36 using System.Runtime.InteropServices;
40 public class ImageSurface : Surface
42 internal ImageSurface (IntPtr handle, bool owns) : base (handle, owns)
46 public ImageSurface (Format format, int width, int height)
48 surface = CairoAPI.cairo_image_surface_create (format, width, height);
49 lock (surfaces.SyncRoot){
50 surfaces [surface] = this;
54 public ImageSurface (ref byte[] data, Cairo.Format format, int width, int height, int stride)
56 surface = CairoAPI.cairo_image_surface_create_for_data (data, format, width, height, stride);
57 lock (surfaces.SyncRoot){
58 surfaces [surface] = this;
62 public ImageSurface (string filename)
64 surface = CairoAPI.cairo_image_surface_create_from_png (filename);
65 lock (surfaces.SyncRoot){
66 surfaces [surface] = this;
71 get { return CairoAPI.cairo_image_surface_get_width (surface); }
75 get { return CairoAPI.cairo_image_surface_get_height (surface); }
81 IntPtr ptr = CairoAPI.cairo_image_surface_get_data (surface);
82 int length = Height * Stride;
83 byte[] data = new byte[length];
84 Marshal.Copy (ptr, data, 0, length);
89 public Format Format {
90 get { return CairoAPI.cairo_image_surface_get_format (surface); }
94 get { return CairoAPI.cairo_image_surface_get_stride (surface); }