// COPYRIGHT (C) Tom. ALL RIGHTS RESERVED.
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// THE AntdUI PROJECT IS AN WINFORM LIBRARY LICENSED UNDER THE Apache-2.0 License.
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// LICENSED UNDER THE Apache License, VERSION 2.0 (THE "License")
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// YOU MAY NOT USE THIS FILE EXCEPT IN COMPLIANCE WITH THE License.
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// YOU MAY OBTAIN A COPY OF THE LICENSE AT
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING, SOFTWARE
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// DISTRIBUTED UNDER THE LICENSE IS DISTRIBUTED ON AN "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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// SEE THE LICENSE FOR THE SPECIFIC LANGUAGE GOVERNING PERMISSIONS AND
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// LIMITATIONS UNDER THE License.
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// GITEE: https://gitee.com/antdui/AntdUI
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// GITHUB: https://github.com/AntdUI/AntdUI
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// CSDN: https://blog.csdn.net/v_132
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// QQ: 17379620
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using System;
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using System.ComponentModel;
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namespace AntdUI
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{
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public abstract class ILayeredFormOpacity : ILayeredForm
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{
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ITask? task_start = null;
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bool run_end = false, ok_end = false;
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public byte maxalpha = 240;
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protected override void OnLoad(EventArgs e)
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{
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if (Config.Animation)
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{
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var t = Animation.TotalFrames(10, 80);
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task_start = new ITask((i) =>
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{
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var val = Animation.Animate(i, t, 1F, AnimationType.Ball);
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SetAnimateValue((byte)(maxalpha * val));
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return true;
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}, 10, t, IStart);
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}
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else IStart();
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base.OnLoad(e);
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}
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#region 设置动画参数
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System.Drawing.Bitmap? bmp_tmp = null;
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void SetAnimateValue(byte _alpha, bool isrint = false)
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{
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if (alpha != _alpha)
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{
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alpha = _alpha;
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if (isrint)
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{
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Print();
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return;
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}
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if (IsHandleCreated && TargetRect.Width > 0 && TargetRect.Height > 0)
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{
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try
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{
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if (bmp_tmp == null) bmp_tmp = PrintBit();
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if (bmp_tmp == null) return;
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Render(bmp_tmp);
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GC.Collect();
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}
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catch { }
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}
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}
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}
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#endregion
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public virtual void LoadOK() { }
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protected override void OnClosing(CancelEventArgs e)
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{
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task_start?.Dispose();
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if (!ok_end)
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{
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e.Cancel = true;
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if (Config.Animation)
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{
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if (!run_end)
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{
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run_end = true;
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var t = Animation.TotalFrames(10, 80);
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new ITask((i) =>
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{
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var val = Animation.Animate(i, t, 1F, AnimationType.Ball);
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SetAnimateValue((byte)(maxalpha * (1F - val)));
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return true;
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}, 10, t, IEnd);
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}
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}
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else IEnd();
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}
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base.OnClosing(e);
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}
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#region 启动/结束
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void IStart()
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{
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bmp_tmp?.Dispose();
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bmp_tmp = null;
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SetAnimateValue(maxalpha, true);
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LoadOK();
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}
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void IEnd()
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{
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bmp_tmp?.Dispose();
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bmp_tmp = null;
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ok_end = true;
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IClose(true);
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}
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#endregion
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protected override void Dispose(bool disposing)
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{
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task_start?.Dispose();
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base.Dispose(disposing);
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}
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}
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}
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