71 строка
2.3 KiB
C#
71 строка
2.3 KiB
C#
//
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// GradientBackendHandler.cs
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//
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// Author:
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// Eric Maupin <ermau@xamarin.com>
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//
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// Copyright (c) 2012 Xamarin, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using Xwt.Backends;
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using Color = Xwt.Drawing.Color;
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using System.Windows.Media;
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using SW = System.Windows;
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namespace Xwt.WPFBackend
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{
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public class WpfGradientBackendHandler
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: GradientBackendHandler
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{
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public override object CreateLinear (double x0, double y0, double x1, double y1)
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{
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return new LinearGradientBrush () {
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StartPoint = new SW.Point (x0, y0),
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EndPoint = new SW.Point (x1, y1),
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MappingMode = BrushMappingMode.Absolute
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};
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}
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public override void Dispose (object backend)
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{
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}
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public override object CreateRadial (double cx0, double cy0, double radius0, double cx1, double cy1, double radius1)
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{
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return new RadialGradientBrush () {
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GradientOrigin = new SW.Point (cx0, cy0),
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Center = new SW.Point (cx1, cy1),
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RadiusX = radius1,
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RadiusY = radius1,
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MappingMode = BrushMappingMode.Absolute
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};
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}
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public override void AddColorStop (object backend, double position, Color color)
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{
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((GradientBrush)backend).GradientStops.Add (new GradientStop (color.ToWpfColor (), position));
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}
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}
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}
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