2 // Mono.Cairo.CairoSurfaceObject.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.Collections;
40 public class ImageSurface : Surface
43 public ImageSurface (string filename)
45 surface = CairoAPI.cairo_image_surface_create_from_png (filename);
46 lock (surfaces.SyncRoot){
47 surfaces [surface] = this;
52 get { return CairoAPI.cairo_image_surface_get_width (surface); }
56 get { return CairoAPI.cairo_image_surface_get_height (surface); }
62 public class PdfSurface : Surface
64 public PdfSurface (string filename, double width, double height)
66 surface = CairoAPI.cairo_pdf_surface_create (filename, width, height);
67 lock (surfaces.SyncRoot){
68 surfaces [surface] = this;
72 public void SetDPI (double x_dpi, double y_dpi)
74 CairoAPI.cairo_pdf_surface_set_dpi (surface, x_dpi, y_dpi);
78 public class PostscriptSurface : Surface
80 public PostscriptSurface (string filename, double width, double height)
82 surface = CairoAPI.cairo_ps_surface_create (filename, width, height);
83 lock (surfaces.SyncRoot){
84 surfaces [surface] = this;
88 public void SetDPI (double x_dpi, double y_dpi)
90 CairoAPI.cairo_ps_surface_set_dpi (surface, x_dpi, y_dpi);
95 public class Win32Surface : Surface
97 public Win32Surface (IntPtr hdc)
99 surface = CairoAPI.cairo_win32_surface_create (hdc);
100 lock (surfaces.SyncRoot){
101 surfaces [surface] = this;
106 public class XlibSurface : Surface
108 public XlibSurface (IntPtr display, IntPtr drawable, IntPtr visual, int width, int height)
110 surface = CairoAPI.cairo_xlib_surface_create (display, drawable, visual, width, height);
111 lock (surfaces.SyncRoot){
112 surfaces [surface] = this;
116 /* FIXME: has the same parameters as above
117 public XlibSurface (IntPtr display, IntPtr bitmap, IntPtr screen, int width, int height)
119 surface = CairoAPI.cairo_xlib_surface_create_for_bitmap (display, bitmap, screen, width, height);
120 lock (surfaces.SyncRoot){
121 surfaces [surface] = this;
126 public void SetDrawable (IntPtr drawable, int width, int height)
128 CairoAPI.cairo_xlib_surface_set_drawable (surface, drawable, width, height);
131 public void SetSize (int width, int height)
133 CairoAPI.cairo_xlib_surface_set_size (surface, width, height);
137 public class Surface : IDisposable
139 protected static Hashtable surfaces = new Hashtable ();
140 internal IntPtr surface = IntPtr.Zero;
145 private Surface (IntPtr ptr, bool owns)
148 lock (surfaces.SyncRoot){
149 surfaces [ptr] = this;
152 CairoAPI.cairo_surface_reference (ptr);
155 static internal Surface LookupExternalSurface (IntPtr p)
157 lock (surfaces.SyncRoot){
158 object o = surfaces [p];
160 return new Surface (p, false);
166 public static Cairo.Surface CreateForImage (
167 string data, Cairo.Format format, int width, int height, int stride)
169 IntPtr p = CairoAPI.cairo_image_surface_create_for_data (
170 data, format, width, height, stride);
172 return new Cairo.Surface (p, true);
175 public static Cairo.Surface CreateForImage (
176 Cairo.Format format, int width, int height)
178 IntPtr p = CairoAPI.cairo_image_surface_create (
179 format, width, height);
181 return new Cairo.Surface (p, true);
185 public Cairo.Surface CreateSimilar (
186 Cairo.Content content, int width, int height)
188 IntPtr p = CairoAPI.cairo_surface_create_similar (
189 this.Handle, content, width, height);
191 return new Cairo.Surface (p, true);
199 public void Show (Graphics gr, int width, int height)
201 CairoAPI.cairo_set_source_surface (gr.Handle, surface, width, height);
202 CairoAPI.cairo_paint (gr.Handle);
205 void IDisposable.Dispose ()
208 GC.SuppressFinalize (this);
211 protected virtual void Dispose (bool disposing)
213 if (surface == (IntPtr) 0)
215 lock (surfaces.SyncRoot){
216 surfaces.Remove (surface);
218 CairoAPI.cairo_surface_destroy (surface);
219 surface = (IntPtr) 0;
222 public Cairo.Status Finish ()
224 return CairoAPI.cairo_surface_finish (surface);
227 public IntPtr Handle {
228 get { return surface; }
231 public PointD DeviceOffset {
232 set { CairoAPI.cairo_surface_set_device_offset (surface,
238 public void Destroy()
240 CairoAPI.cairo_surface_destroy (surface);
243 public void WriteToPng (string filename)
245 CairoAPI.cairo_surface_write_to_png (surface, filename);
248 public IntPtr Pointer {
249 get { return surface; }
252 public Status Status {
253 get { return CairoAPI.cairo_surface_status (surface); }