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improve:墨迹选择

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CJKmkp
2025-09-07 07:59:21 +08:00
parent 60b5655574
commit ead0854c8e
1 changed files with 28 additions and 21 deletions
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Ink Canvas/MainWindow_cs/MW_SelectionGestures.cs
+28 -21
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@@ -875,48 +875,55 @@ namespace Ink_Canvas
private Rect CalculateNewBounds(Rect originalBounds, Point delta, string handleName)
{
var newBounds = originalBounds;
double newWidth = originalBounds.Width;
double newHeight = originalBounds.Height;
double newX = originalBounds.X;
double newY = originalBounds.Y;
switch (handleName)
{
case "TopLeftHandle":
newBounds.X = originalBounds.X + delta.X;
newBounds.Y = originalBounds.Y + delta.Y;
newBounds.Width = originalBounds.Width - delta.X;
newBounds.Height = originalBounds.Height - delta.Y;
newX = originalBounds.X + delta.X;
newY = originalBounds.Y + delta.Y;
newWidth = originalBounds.Width - delta.X;
newHeight = originalBounds.Height - delta.Y;
break;
case "TopRightHandle":
newBounds.Y = originalBounds.Y + delta.Y;
newBounds.Width = originalBounds.Width + delta.X;
newBounds.Height = originalBounds.Height - delta.Y;
newY = originalBounds.Y + delta.Y;
newWidth = originalBounds.Width + delta.X;
newHeight = originalBounds.Height - delta.Y;
break;
case "BottomLeftHandle":
newBounds.X = originalBounds.X + delta.X;
newBounds.Width = originalBounds.Width - delta.X;
newBounds.Height = originalBounds.Height + delta.Y;
newX = originalBounds.X + delta.X;
newWidth = originalBounds.Width - delta.X;
newHeight = originalBounds.Height + delta.Y;
break;
case "BottomRightHandle":
newBounds.Width = originalBounds.Width + delta.X;
newBounds.Height = originalBounds.Height + delta.Y;
newWidth = originalBounds.Width + delta.X;
newHeight = originalBounds.Height + delta.Y;
break;
case "TopHandle":
newBounds.Y = originalBounds.Y + delta.Y;
newBounds.Height = originalBounds.Height - delta.Y;
newY = originalBounds.Y + delta.Y;
newHeight = originalBounds.Height - delta.Y;
break;
case "BottomHandle":
newBounds.Height = originalBounds.Height + delta.Y;
newHeight = originalBounds.Height + delta.Y;
break;
case "LeftHandle":
newBounds.X = originalBounds.X + delta.X;
newBounds.Width = originalBounds.Width - delta.X;
newX = originalBounds.X + delta.X;
newWidth = originalBounds.Width - delta.X;
break;
case "RightHandle":
newBounds.Width = originalBounds.Width + delta.X;
newWidth = originalBounds.Width + delta.X;
break;
}
// 确保最小尺寸
if (newBounds.Width < 10) newBounds.Width = 10;
if (newBounds.Height < 10) newBounds.Height = 10;
// 确保最小尺寸和正值
if (newWidth < 10) newWidth = 10;
if (newHeight < 10) newHeight = 10;
// 创建新的Rect，确保所有值都是有效的
newBounds = new Rect(newX, newY, newWidth, newHeight);
return newBounds;
}