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Merge pull request #666 from mhutch/cairo-fix-3.0
Mono.Cairo improvements
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| // | ||
| // CairoDebug.cs | ||
| // | ||
| // Author: | ||
| // Michael Hutchinson (mhutch@xamarin.com) | ||
| // | ||
| // Copyright (C) 2013 Xamarin Inc. (http://www.xamarin.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; | ||
|
|
||
| namespace Cairo { | ||
|
|
||
| static class CairoDebug | ||
| { | ||
| static System.Collections.Generic.Dictionary<IntPtr,string> traces; | ||
|
|
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| public static readonly bool Enabled; | ||
|
|
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| static CairoDebug () | ||
| { | ||
| var dbg = Environment.GetEnvironmentVariable ("MONO_CAIRO_DEBUG_DISPOSE"); | ||
| if (dbg == null) | ||
| return; | ||
| Enabled = true; | ||
| traces = new System.Collections.Generic.Dictionary<IntPtr,string> (); | ||
| } | ||
|
|
||
| public static void OnAllocated (IntPtr obj) | ||
| { | ||
| if (!Enabled) | ||
| throw new InvalidOperationException (); | ||
|
|
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| traces[obj] = Environment.StackTrace; | ||
| } | ||
|
|
||
| public static void OnDisposed<T> (IntPtr obj, bool disposing) | ||
| { | ||
| if (disposing && !Enabled) | ||
| throw new InvalidOperationException (); | ||
|
|
||
| if (!disposing) { | ||
| Console.Error.WriteLine ("{0} is leaking, programmer is missing a call to Dispose", typeof(T).FullName); | ||
| if (Enabled) { | ||
| string val; | ||
| if (traces.TryGetValue (obj, out val)) { | ||
| Console.Error.WriteLine ("Allocated from:"); | ||
| Console.Error.WriteLine (val); | ||
| } | ||
| } else { | ||
| Console.Error.WriteLine ("Set MONO_CAIRO_DEBUG_DISPOSE to track allocation traces"); | ||
| } | ||
| } | ||
|
|
||
| if (Enabled) | ||
| traces.Remove (obj); | ||
| } | ||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| // | ||
| // Mono.Cairo.Context.cs | ||
| // | ||
| // Author: | ||
| // Duncan Mak (duncan@ximian.com) | ||
| // Miguel de Icaza (miguel@novell.com) | ||
| // Hisham Mardam Bey (hisham.mardambey@gmail.com) | ||
| // Alp Toker (alp@atoker.com) | ||
| // | ||
| // (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. | ||
| // | ||
|
|
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| namespace Cairo { | ||
|
|
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| public struct Color | ||
| { | ||
| public Color(double r, double g, double b) : this (r, g, b, 1.0) | ||
| { | ||
| } | ||
|
|
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| public Color(double r, double g, double b, double a) | ||
| { | ||
| this.r = r; | ||
| this.g = g; | ||
| this.b = b; | ||
| this.a = a; | ||
| } | ||
|
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| double r, g, b, a; | ||
|
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| public double R { | ||
| get { return r; } | ||
| set { r = value; } | ||
| } | ||
|
|
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| public double G { | ||
| get { return g; } | ||
| set { g = value; } | ||
| } | ||
|
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| public double B { | ||
| get { return b; } | ||
| set { b = value; } | ||
| } | ||
|
|
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| public double A { | ||
| get { return a; } | ||
| set { a = value; } | ||
| } | ||
| } | ||
| } |
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