From 8bd46da0c9fbfe39a65d75b1d85692d8783f5905 Mon Sep 17 00:00:00 2001
From: patrick.xu <patrick.xu@broconcentric.com>
Date: 星期三, 15 九月 2021 10:50:54 +0800
Subject: [PATCH] 现场修改
---
src/Bro.UI.Model.Winform/UI/CanvasImage.cs | 21 +++++++++++++++++++++
1 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/src/Bro.UI.Model.Winform/UI/CanvasImage.cs b/src/Bro.UI.Model.Winform/UI/CanvasImage.cs
index 76beeac..582061d 100644
--- a/src/Bro.UI.Model.Winform/UI/CanvasImage.cs
+++ b/src/Bro.UI.Model.Winform/UI/CanvasImage.cs
@@ -67,8 +67,21 @@
#endregion
#region 閲嶇粯
+ volatile bool _isInRepaint = false;
+ object _isInRepaintLock = new object();
protected override void OnPaint(PaintEventArgs e)
{
+ //if (_isInRepaint)
+ // return;
+
+ //lock (_isInRepaintLock)
+ //{
+ // if (_isInRepaint)
+ // return;
+ //}
+
+ //_isInRepaint = true;
+
try
{
Rectangle rect = ClientRectangle;
@@ -78,6 +91,9 @@
Graphics g = myBuffer.Graphics;
g.SmoothingMode = SmoothingMode.HighSpeed;
g.PixelOffsetMode = PixelOffsetMode.HighSpeed;
+ g.InterpolationMode = InterpolationMode.Low;
+ g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SystemDefault;
+ g.CompositingQuality = CompositingQuality.HighSpeed;
g.Clear(BackColor);
g.MultiplyTransform(Matrix);
@@ -173,6 +189,8 @@
catch (Exception)
{
}
+
+ _isInRepaint = false;
}
private void halfTransparent()
@@ -614,6 +632,9 @@
if (map == null)
return;
+ MAP?.Dispose();
+ MAP = null;
+
MAP = map;
//MAP = map;
--
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