//
// Mono.Cairo.CairoSurfaceObject.cs
//
-// Author: Duncan Mak
+// 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.Drawing;
-using System.Runtime.InteropServices;
-using Cairo;
+using System.Collections;
namespace Cairo {
- public class Surface
+ public class ImageSurface : Surface
{
- IntPtr surface;
+ 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 (string 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 UNSTABLE
+ public class PdfSurface : Surface
+ {
+ public PdfSurface (string filename, double width, double height)
+ {
+ surface = CairoAPI.cairo_pdf_surface_create (filename, width, height);
+ lock (surfaces.SyncRoot){
+ surfaces [surface] = this;
+ }
+ }
+
+ public void SetDPI (double x_dpi, double y_dpi)
+ {
+ CairoAPI.cairo_pdf_surface_set_dpi (surface, x_dpi, y_dpi);
+ }
+ }
+
+ public class PostscriptSurface : Surface
+ {
+ public PostscriptSurface (string filename, double width, double height)
+ {
+ surface = CairoAPI.cairo_ps_surface_create (filename, width, height);
+ lock (surfaces.SyncRoot){
+ surfaces [surface] = this;
+ }
+ }
+
+ public void SetDPI (double x_dpi, double y_dpi)
+ {
+ CairoAPI.cairo_ps_surface_set_dpi (surface, x_dpi, y_dpi);
+ }
+ }
+ #endif
- internal Surface (IntPtr ptr)
+ public class Win32Surface : Surface
+ {
+ public Win32Surface (IntPtr hdc)
+ {
+ surface = CairoAPI.cairo_win32_surface_create (hdc);
+ lock (surfaces.SyncRoot){
+ surfaces [surface] = this;
+ }
+ }
+ }
+
+ public class XlibSurface : Surface
+ {
+ public XlibSurface (IntPtr display, IntPtr drawable, IntPtr visual, int width, int height)
+ {
+ surface = CairoAPI.cairo_xlib_surface_create (display, drawable, visual, width, height);
+ lock (surfaces.SyncRoot){
+ surfaces [surface] = this;
+ }
+ }
+
+ /* FIXME: has the same parameters as above
+ public XlibSurface (IntPtr display, IntPtr bitmap, IntPtr screen, int width, int height)
+ {
+ surface = CairoAPI.cairo_xlib_surface_create_for_bitmap (display, bitmap, screen, width, height);
+ lock (surfaces.SyncRoot){
+ surfaces [surface] = this;
+ }
+ }
+ */
+
+ public void SetDrawable (IntPtr drawable, int width, int height)
+ {
+ CairoAPI.cairo_xlib_surface_set_drawable (surface, drawable, width, height);
+ }
+
+ public void SetSize (int width, int height)
+ {
+ CairoAPI.cairo_xlib_surface_set_size (surface, width, height);
+ }
+ }
+
+ public class Surface : IDisposable
+ {
+ protected static Hashtable surfaces = new Hashtable ();
+ internal IntPtr surface = IntPtr.Zero;
+
+ protected Surface()
+ {
+ Console.WriteLine (Environment.StackTrace);
+ }
+
+ private Surface (IntPtr ptr, bool owns)
{
surface = ptr;
+ lock (surfaces.SyncRoot){
+ surfaces [ptr] = this;
+ }
+ if (!owns)
+ CairoAPI.cairo_surface_reference (ptr);
}
+ static internal Surface LookupExternalSurface (IntPtr p)
+ {
+ lock (surfaces.SyncRoot){
+ object o = surfaces [p];
+ if (o == null){
+ return new Surface (p, false);
+ }
+ return (Surface) o;
+ }
+ }
+
+ [Obsolete ("Use an ImageSurface constructor instead.")]
public static Cairo.Surface CreateForImage (
string data, Cairo.Format format, int width, int height, int stride)
{
- IntPtr p = CairoAPI.cairo_surface_create_for_image (
+ IntPtr p = CairoAPI.cairo_image_surface_create_for_data (
data, format, width, height, stride);
- return new Cairo.Surface (p);
+ return new Cairo.Surface (p, true);
}
- public static Cairo.Surface CreateSimilar (
- Cairo.Surface surface, Cairo.Format format, int width, int height)
+ [Obsolete ("Use an ImageSurface constructor instead.")]
+ public static Cairo.Surface CreateForImage (
+ Cairo.Format format, int width, int height)
{
- IntPtr p = CairoAPI.cairo_surface_create_similar (
- surface.Pointer, format, width, height);
+ IntPtr p = CairoAPI.cairo_image_surface_create (
+ format, width, height);
- return new Cairo.Surface (p);
+ return new Cairo.Surface (p, true);
}
- public static Cairo.Surface CreateSimilarSolid (
- Cairo.Surface surface, Cairo.Format format,
- int width, int height, double red, double green, double blue, double alpha)
+
+ public Cairo.Surface CreateSimilar (
+ Cairo.Content content, int width, int height)
{
- IntPtr p = CairoAPI.cairo_surface_create_similar_solid (
- surface.Pointer, format, width, height, red, green, blue, alpha);
+ IntPtr p = CairoAPI.cairo_surface_create_similar (
+ this.Handle, content, width, height);
- return new Cairo.Surface (p);
+ return new Cairo.Surface (p, true);
}
- public void Destroy ()
- {
- CairoAPI.cairo_surface_destroy (surface);
- }
+ ~Surface ()
+ {
+ Dispose (false);
+ }
- public IntPtr Pointer {
- get { return surface; }
- }
+ public void Show (Graphics gr, int width, int height)
+ {
+ CairoAPI.cairo_set_source_surface (gr.Handle, surface, width, height);
+ CairoAPI.cairo_paint (gr.Handle);
+ }
- public int Repeat {
- set {
- CairoAPI.cairo_surface_set_repeat (surface, value);
- }
- }
+ void IDisposable.Dispose ()
+ {
+ Dispose (true);
+ GC.SuppressFinalize (this);
+ }
- public Cairo.Matrix Matrix {
- set {
- CairoAPI.cairo_surface_set_matrix (surface, value.Pointer);
- }
+ protected virtual void Dispose (bool disposing)
+ {
+ if (surface == (IntPtr) 0)
+ return;
+
+ lock (surfaces.SyncRoot)
+ surfaces.Remove (surface);
+ CairoAPI.cairo_surface_destroy (surface);
+ surface = (IntPtr) 0;
+ }
+
+ public Cairo.Status Finish ()
+ {
+ return CairoAPI.cairo_surface_finish (surface);
+ }
+
+ public IntPtr Handle {
get {
- IntPtr p;
-
- CairoAPI.cairo_surface_get_matrix (surface, out p);
-
- return new Cairo.Matrix (p);
- }
+ return surface;
+ }
}
- public Cairo.Filter Filter {
- set {
- CairoAPI.cairo_surface_set_filter (surface, value);
- }
+ public PointD DeviceOffset {
+ set {
+ CairoAPI.cairo_surface_set_device_offset (surface, value.X, value.Y);
+ }
+ }
+
+ public void Destroy()
+ {
+ CairoAPI.cairo_surface_destroy (surface);
+ }
+
+ public void WriteToPng (string filename)
+ {
+ CairoAPI.cairo_surface_write_to_png (surface, filename);
+ }
+
+ public IntPtr Pointer {
+ get {
+ return surface;
+ }
}
+
+ public Status Status {
+ get { return CairoAPI.cairo_surface_status (surface); }
+ }
+
}
}
projects / mono.git / blobdiff