Logo Search packages:      
Sourcecode: f-spot version File versions  Download package

ImageSurface.cs

//
// 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)
            {
                  surface = CairoAPI.cairo_image_surface_create (format, width, height);
                  lock (surfaces.SyncRoot){
                        surfaces [surface] = this;
                  }
            }

            public ImageSurface (IntPtr data, Cairo.Format format, int width, int height, int stride)
            {
                  surface = CairoAPI.cairo_image_surface_create_for_data (data, format, width, height, stride);
                  lock (surfaces.SyncRoot){
                        surfaces [surface] = this;
                  }
            }

            public ImageSurface (ref byte[] data, Cairo.Format format, int width, int height, int stride)
            {
                  surface = CairoAPI.cairo_image_surface_create_for_data (data, format, width, height, stride);
                  lock (surfaces.SyncRoot){
                        surfaces [surface] = this;
                  }
            }
            
            public ImageSurface (string filename)
            {
                  surface = CairoAPI.cairo_image_surface_create_from_png (filename);
                  lock (surfaces.SyncRoot){
                        surfaces [surface] = this;
                  }
            }
            
            public int Width {
                  get { return CairoAPI.cairo_image_surface_get_width (surface); }
            }
            
            public int Height {
                  get { return CairoAPI.cairo_image_surface_get_height (surface); }
            }
            
#if CAIRO_1_2
            public byte[] Data {
                  get {
                        IntPtr ptr = CairoAPI.cairo_image_surface_get_data (surface);
                        int length = Height * Stride;
                        byte[] data = new byte[length];
                        Marshal.Copy (ptr, data, 0, length);
                        return data;
                  }
            }

            public Format Format {
                  get { return CairoAPI.cairo_image_surface_get_format (surface); }
            }

            public int Stride {
                  get { return CairoAPI.cairo_image_surface_get_stride (surface); }
            }
#endif
      }
}

Generated by  Doxygen 1.6.0   Back to index