dan/Toolkit2
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Improved resized logics

Browse Source
This commit is contained in:
TheXamlGuy
2024-10-05 23:43:18 +01:00
parent 247acd2609
commit d434b917ec
1 changed files with 30 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Toolkit.UI.Controls.Avalonia/ImageCropper/ImageCropper.cs
+24 -7
View File
@@ -9,7 +9,8 @@ using Avalonia.Media.Imaging;
namespace Toolkit.UI.Controls.Avalonia;
public class ImageCropper : TemplatedControl
public class ImageCropper :
TemplatedControl
{
public static readonly StyledProperty<IImage?> CurrentAreaBitmapProperty =
AvaloniaProperty.Register<ImageCropper, IImage?>(nameof(CurrentAreaBitmap));
@@ -225,20 +226,33 @@ public class ImageCropper : TemplatedControl
case "TopLeftButton":
newWidth = Math.Max(0, border.Width - deltaX);
newHeight = Math.Max(0, border.Height - deltaY);
if (newWidth > 0)
{
leftPosition += deltaX;
}
if (newHeight > 0)
{
topPosition += deltaY;
}
break;
case "TopRightButton":
newWidth = Math.Max(0, border.Width + deltaX);
newHeight = Math.Max(0, border.Height - deltaY);
if (newHeight > 0)
{
topPosition += deltaY;
}
break;
case "BottomLeftButton":
newWidth = Math.Max(0, border.Width - deltaX);
newHeight = Math.Max(0, border.Height + deltaY);
if (newWidth > 0)
{
leftPosition += deltaX;
}
break;
case "BottomRightButton":
@@ -255,23 +269,27 @@ public class ImageCropper : TemplatedControl
if (thumb.Name == "TopLeftButton" || thumb.Name == "BottomLeftButton")
{
leftPosition = Math.Max(0, leftPosition);
if (newWidth > 0)
{
newWidth = Math.Max(0, border.Width - (leftPosition - Canvas.GetLeft(border)));
}
}
else if (thumb.Name == "TopRightButton" || thumb.Name == "BottomRightButton")
{
double rightBoundary = canvas.Width;
newWidth = Math.Min(newWidth, rightBoundary - leftPosition);
newWidth = Math.Min(newWidth, canvas.Width - leftPosition);
}
if (thumb.Name == "TopLeftButton" || thumb.Name == "TopRightButton")
{
topPosition = Math.Max(0, topPosition);
if (newHeight > 0)
{
newHeight = Math.Max(0, border.Height - (topPosition - Canvas.GetTop(border)));
}
}
else if (thumb.Name == "BottomLeftButton" || thumb.Name == "BottomRightButton")
{
double bottomBoundary = canvas.Height;
newHeight = Math.Min(newHeight, bottomBoundary - topPosition);
newHeight = Math.Min(newHeight, canvas.Height - topPosition);
}
border.Width = newWidth;
@@ -284,7 +302,6 @@ public class ImageCropper : TemplatedControl
Render();
}
private void PositionThumbs()
{
if (border == null ||
@@ -343,7 +360,7 @@ public class ImageCropper : TemplatedControl
Canvas.SetTop(rectangleLeft, borderTop);
rectangleTop.Width = Math.Max(0, canvas.Width);
rectangleTop.Height = Math.Max(0, borderTop);
rectangleTop.Height = Math.Max(0, borderTop - 0.5);
double rightX = borderLeft + border.Width;