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C# Cairo.LinearGradient.Dispose方法代码示例

本文整理汇总了C#中Cairo.LinearGradient.Dispose方法的典型用法代码示例。如果您正苦于以下问题:C# Cairo.LinearGradient.Dispose方法的具体用法?C# Cairo.LinearGradient.Dispose怎么用?C# Cairo.LinearGradient.Dispose使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Cairo.LinearGradient的用法示例。


在下文中一共展示了Cairo.LinearGradient.Dispose方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: DrawShadow

 void DrawShadow(Cairo.Context ctx, Gdk.Rectangle ar, PositionType pos, List<Section> secs)
 {
     foreach (Section s in secs) {
         Cairo.Gradient pat = null;
         Gdk.Rectangle r = ar;
         switch (pos) {
             case PositionType.Top:
                 r.Height = shadowSize > r.Height ? r.Height / 2 : shadowSize;
                 r.X += s.Offset;
                 r.Width = s.Size;
                 pat = new Cairo.LinearGradient (r.X, r.Y, r.X, r.Bottom);
                 break;
             case PositionType.Bottom:
                 r.Y = r.Bottom - shadowSize;
                 r.Height = shadowSize > r.Height ? r.Height / 2 : shadowSize;
                 r.X = r.X + s.Offset;
                 r.Width = s.Size;
                 pat = new Cairo.LinearGradient (r.X, r.Bottom, r.X, r.Y);
                 break;
             case PositionType.Left:
                 r.Width = shadowSize > r.Width ? r.Width / 2 : shadowSize;
                 r.Y += s.Offset;
                 r.Height = s.Size;
                 pat = new Cairo.LinearGradient (r.X, r.Y, r.Right, r.Y);
                 break;
             case PositionType.Right:
                 r.X = r.Right - shadowSize;
                 r.Width = shadowSize > r.Width ? r.Width / 2 : shadowSize;
                 r.Y += s.Offset;
                 r.Height = s.Size;
                 pat = new Cairo.LinearGradient (r.Right, r.Y, r.X, r.Y);
                 break;
         }
         Cairo.Color c = darkColor.ToCairoColor ();
         pat.AddColorStop (0, c);
         c.A = 0;
         pat.AddColorStop (1, c);
         ctx.NewPath ();
         ctx.Rectangle (r.X, r.Y, r.Width, r.Height);
         ctx.Pattern = pat;
         ctx.Fill ();
         pat.Dispose ();
     }
 }
开发者ID:CiprianKhlud,项目名称:Pinta,代码行数:44,代码来源:ShadedContainer.cs

示例2: SetAsSource

        public override void SetAsSource(Cairo.Context ctx, Rectangle bounds = default(Rectangle))
        {
            Cairo.Gradient grad = null;
            switch (GradientType) {
            case Type.Vertical:
                grad = new Cairo.LinearGradient (bounds.Left, bounds.Top, bounds.Left, bounds.Bottom);
                break;
            case Type.Horizontal:
                grad = new Cairo.LinearGradient (bounds.Left, bounds.Top, bounds.Right, bounds.Top);
                break;
            case Type.Oblic:
                grad = new Cairo.LinearGradient (bounds.Left, bounds.Top, bounds.Right, bounds.Bottom);
                break;
            case Type.Radial:
                throw new NotImplementedException ();
            }

            foreach (ColorStop cs in Stops)
                grad.AddColorStop (cs.Offset, cs.Color);

            ctx.SetSource (grad);
            grad.Dispose ();
        }
开发者ID:jpbruyere,项目名称:Crow,代码行数:23,代码来源:Gradient.cs

示例3: RenderBackground

        private void RenderBackground(Cairo.Context cr)
        {
            rand = rand ?? new Random ();

            if (circles == null) {
                for (int i = 0, n = rand.Next (100, 150); i < n; i++) {
                    circles = circles ?? new Circle[n];
                    circles[i] = new Circle {
                        X = rand.Next (0, Screen.Width),
                        Y = rand.Next (0, Screen.Height),
                        R = rand.Next (10, 70),
                        A = rand.NextDouble () * 0.08
                    };
                }
            }

            Gdk.Rectangle damage = new Gdk.Rectangle();

            cr.RenderDamage (damage);
            //cr.Rectangle (damage.X, damage.Y, damage.Width, damage.Height);
            //cr.Clip ();

            cr.Translate (Allocation.X, Allocation.Y);
            cr.Rectangle (0, 0, Allocation.Width, Allocation.Height);

            if (render_gradient) {
                var grad = new Cairo.LinearGradient (0, 0, 0, Allocation.Height);
                grad.AddColorStop (0.7, CairoExtensions.GdkRGBAToCairoColor (StyleContext.GetBackgroundColor (StateFlags.Prelight)));
                grad.AddColorStop (1, CairoExtensions.GdkRGBAToCairoColor (StyleContext.GetBackgroundColor (StateFlags.Normal)));

                cr.SetSource (grad);
                cr.Fill ();
                grad.Dispose ();

                foreach (var circle in circles) {
                    cr.SetSourceColor (new Cairo.Color (0, 0, 0, circle.A));
                    cr.Arc (circle.X + circle.R, circle.Y + circle.R, circle.R, 0, 2 * Math.PI);
                    cr.Fill ();
                }
            } else {
                cr.SetSourceColor (new Cairo.Color (1, 1, 1));
                cr.Fill ();
            }

            if (window_decorator != null) {
                window_decorator.Render (cr);
            }

            if (render_debug) {
                cr.LineWidth = 1.0;
                cr.SetSourceColor (CairoExtensions.RgbToColor (
                    (uint)rand.Next (0, 0xffffff)));
                cr.Rectangle (damage.X + 0.5, damage.Y + 0.5, damage.Width - 1, damage.Height - 1);
                cr.Stroke ();
            }

            cr.ResetClip ();
        }
开发者ID:stsundermann,项目名称:cubano,代码行数:58,代码来源:CubanoWindow.cs


注:本文中的Cairo.LinearGradient.Dispose方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。