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improve:图片插入

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CJKmkp
2025-08-31 09:20:35 +08:00
parent b8fe5bbd66
commit 33948c604c
1 changed files with 33 additions and 27 deletions
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Ink Canvas/MainWindow_cs/MW_ClipboardHandler.cs
+33 -27
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@@ -141,19 +141,6 @@ namespace Ink_Canvas
element.RenderTransform = transformGroup;
}
// 设置位置
if (position.HasValue)
{
// 在指定位置居中显示
InkCanvas.SetLeft(image, position.Value.X - image.Width / 2);
InkCanvas.SetTop(image, position.Value.Y - image.Height / 2);
}
else
{
// 使用与文件选择相同的居中和缩放逻辑
CenterAndScaleElement(image);
}
// 设置图片属性，避免被InkCanvas选择系统处理
image.IsHitTestVisible = true;
image.Focusable = false;
@@ -171,23 +158,42 @@ namespace Ink_Canvas
// 添加到画布
inkCanvas.Children.Add(image);
// 绑定事件处理器
if (image is FrameworkElement elementForEvents)
// 等待图片加载完成后再进行居中处理
image.Loaded += (sender, e) =>
{
// 鼠标事件
elementForEvents.MouseLeftButtonDown += Element_MouseLeftButtonDown;
elementForEvents.MouseLeftButtonUp += Element_MouseLeftButtonUp;
elementForEvents.MouseMove += Element_MouseMove;
elementForEvents.MouseWheel += Element_MouseWheel;
// 确保在UI线程中执行
Dispatcher.BeginInvoke(new Action(() =>
{
// 先进行缩放居中处理
CenterAndScaleElement(image);
// 如果有指定位置，调整到指定位置
if (position.HasValue)
{
// 在指定位置居中显示
InkCanvas.SetLeft(image, position.Value.X - image.Width / 2);
InkCanvas.SetTop(image, position.Value.Y - image.Height / 2);
}
// 绑定事件处理器
if (image is FrameworkElement elementForEvents)
{
// 鼠标事件
elementForEvents.MouseLeftButtonDown += Element_MouseLeftButtonDown;
elementForEvents.MouseLeftButtonUp += Element_MouseLeftButtonUp;
elementForEvents.MouseMove += Element_MouseMove;
elementForEvents.MouseWheel += Element_MouseWheel;
// 触摸事件
elementForEvents.IsManipulationEnabled = true;
elementForEvents.ManipulationDelta += Element_ManipulationDelta;
elementForEvents.ManipulationCompleted += Element_ManipulationCompleted;
// 触摸事件
elementForEvents.IsManipulationEnabled = true;
elementForEvents.ManipulationDelta += Element_ManipulationDelta;
elementForEvents.ManipulationCompleted += Element_ManipulationCompleted;
// 设置光标
elementForEvents.Cursor = Cursors.Hand;
}
// 设置光标
elementForEvents.Cursor = Cursors.Hand;
}
}), System.Windows.Threading.DispatcherPriority.Loaded);
};
// 提交到历史记录
timeMachine.CommitElementInsertHistory(image);