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处理越界

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辉鸭蛋
2025-05-05 22:30:05 +08:00
parent 7305c9f58d
commit 0e5aba7ad6
1 changed files with 40 additions and 13 deletions
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53
BetterGenshinImpact/ViewModel/Windows/MapViewerViewModel.cs
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@@ -104,23 +104,50 @@ public partial class MapViewerViewModel : ObservableObject
public Mat ClipMat(Point2f pos)
{
var len = 256;
pos = new Point2f(pos.X - _currentPathingRect.X, pos.Y - _currentPathingRect.Y);
Rect rect = new((int)pos.X - len, (int)pos.Y - len, len * 2, len * 2);
// 实现剪切 Mat 的逻辑
if (_currentPathingMap.Empty())
try
{
Debug.WriteLine("_currentPathingMap 未初始化");
return new Mat(_mapImage, new Rect(rect.X / _scale, rect.Y / _scale, rect.Width, rect.Height));
var len = 256;
pos = new Point2f(pos.X - _currentPathingRect.X, pos.Y - _currentPathingRect.Y);
Rect rect = new((int)pos.X - len, (int)pos.Y - len, len * 2, len * 2);
// 处理越界
if (rect.X < 0)
{
rect.X = 0;
}
if (rect.Y < 0)
{
rect.Y = 0;
}
if (rect.X + rect.Width > _mapImage.Width)
{
rect.Width = _mapImage.Width - rect.X;
}
if (rect.Y + rect.Height > _mapImage.Height)
{
rect.Height = _mapImage.Height - rect.Y;
}
// 实现剪切 Mat 的逻辑
if (_currentPathingMap.Empty())
{
Debug.WriteLine("_currentPathingMap 未初始化");
return new Mat(_mapImage, new Rect(rect.X / _scale, rect.Y / _scale, rect.Width, rect.Height));
}
else
{
Mat clipMat = new(_currentPathingMap, rect);
clipMat = clipMat.Clone();
// 绘制中心点
Cv2.Circle(clipMat, new Point(len, len), 3, new Scalar(0, 255, 0), 2);
return clipMat;
}
}
else
catch
{
Mat clipMat = new(_currentPathingMap, rect);
clipMat = clipMat.Clone();
// 绘制中心点
Cv2.Circle(clipMat, new Point(len, len), 3, new Scalar(0, 255, 0), 2);
return clipMat;
// 返回一张全黑的图
var blackMat = new Mat(256, 256, MatType.CV_8UC3, new Scalar(0, 0, 0));
return blackMat;
}
}
/// <summary>