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add zoom and panning

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zoom: ctrl + wheel, zoomed image:
ctrl + move mousr
This commit is contained in:
Alex Bezdieniezhnykh
2025-06-30 00:01:20 +03:00
parent 627e63e543
commit c42faa1e2e
4 changed files with 108 additions and 28 deletions
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Azaion.Annotator/Annotator.xaml
+14 -1
View File
@@ -315,7 +315,7 @@
<ColumnDefinition Width="28" /> <!-- 10 -->
<ColumnDefinition Width="28" /> <!-- 11 -->
<ColumnDefinition Width="28" /> <!-- 12 -->
<ColumnDefinition Width="0" /> <!-- 13 -->
<ColumnDefinition Width="28" /> <!-- 13 -->
<ColumnDefinition Width="*" /> <!-- 14-->
</Grid.ColumnDefinitions>
<Button Grid.Column="0" Padding="5" ToolTip="Включити програвання" Background="Black" BorderBrush="Black"
@@ -602,6 +602,19 @@
</Image.Source>
</Image>
</Button>
<Button Grid.Column="13"
Padding="2"
Width="25"
Height="25"
ToolTip="Аналіз стану БПЛА. Клавіша: [K]" Background="Black" BorderBrush="Black"
Click="RunDroneMaintenance">
<Path Stretch="Fill" Fill="LightGray" Data="
M128,7.10542736e-15 C198.692448,7.10542736e-15 256,57.307552 256,128 C256,140.931179 254.082471,153.414494 250.516246,165.181113 L384,298.666667
C407.564149,322.230816 407.564149,360.435851 384,384 C360.435851,407.564149 322.230816,407.564149 298.666667,384 L165.181113,250.516246
C153.414494,254.082471 140.931179,256 128,256 C57.307552,256 7.10542736e-15,198.692448 7.10542736e-15,128 C7.10542736e-15,114.357909
2.13416363,101.214278 6.08683609,88.884763 L66.6347809,149.333333 L126.649,129.346 L129.329,126.666 L149.333333,66.7080586 L88.7145729,6.14152881
C101.0933,2.15385405 114.29512,7.10542736e-15 128,7.10542736e-15 Z" />
</Button>
<StatusBar Grid.Column="14"
Background="#252525"
Foreground="White">
Azaion.Annotator/Annotator.xaml.cs
+13 -2
View File
@@ -304,7 +304,7 @@ public partial class Annotator
{
if (File.Exists(annotation.ImagePath))
{
Editor.Background = new ImageBrush { ImageSource = await annotation.ImagePath.OpenImage() };
Editor.SetImageSource(await annotation.ImagePath.OpenImage());
_formState.BackgroundTime = annotation.Time;
videoSize = Editor.RenderSize;
}
@@ -578,10 +578,21 @@ public partial class Annotator
}
}
#region Denys Wishes
private void SoundDetections(object sender, RoutedEventArgs e)
{
_logger.LogInformation("To be implemented");
MessageBox.Show("Функція Аудіоаналіз знаходиться в стадії розробки","Система", MessageBoxButton.OK, MessageBoxImage.Information);
_logger.LogInformation("Denys wishes #1. To be implemented");
}
private void RunDroneMaintenance(object sender, RoutedEventArgs e)
{
MessageBox.Show("Функція Аналіз стану БПЛА знаходиться в стадії розробки","Система", MessageBoxButton.OK, MessageBoxImage.Information);
_logger.LogInformation("Denys wishes #2. To be implemented");
}
#endregion
}
public class GradientStyleSelector : StyleSelector
Azaion.Common/Controls/CanvasEditor.cs
+78 -23
View File
@@ -3,11 +3,12 @@ using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using Azaion.Annotator.DTO;
using Azaion.Common.DTO;
using MediatR;
using Color = System.Windows.Media.Color;
using Image = System.Windows.Controls.Image;
using Point = System.Windows.Point;
using Rectangle = System.Windows.Shapes.Rectangle;
using Size = System.Windows.Size;
@@ -28,10 +29,15 @@ public class CanvasEditor : Canvas
private Rectangle _curRec = new();
private DetectionControl _curAnn = null!;
private readonly MatrixTransform _matrixTransform = new();
private Point _panStartPoint;
private bool _isZoomedIn;
private const int MIN_SIZE = 20;
private readonly TimeSpan _viewThreshold = TimeSpan.FromMilliseconds(400);
private Image _backgroundImage { get; set; } = new() { Stretch = Stretch.Fill };
public IMediator Mediator { get; set; } = null!;
public static readonly DependencyProperty GetTimeFuncProp =
@@ -107,13 +113,42 @@ public class CanvasEditor : Canvas
MouseUp += CanvasMouseUp;
SizeChanged += CanvasResized;
Cursor = Cursors.Cross;
Children.Insert(0, _backgroundImage);
Children.Add(_newAnnotationRect);
Children.Add(_horizontalLine);
Children.Add(_verticalLine);
Children.Add(_classNameHint);
Loaded += Init;
RenderTransform = _matrixTransform;
MouseWheel += CanvasWheel;
}
public void SetImageSource(ImageSource? source)
{
_backgroundImage.Source = source;
}
private void CanvasWheel(object sender, MouseWheelEventArgs e)
{
if (Keyboard.Modifiers != ModifierKeys.Control)
return;
var mousePos = e.GetPosition(this);
var scale = e.Delta > 0 ? 1.1 : 1 / 1.1;
var matrix = _matrixTransform.Matrix;
if (scale < 1 && matrix.M11 * scale < 1.0)
{
_matrixTransform.Matrix = Matrix.Identity;
_isZoomedIn = false;
}
else
{
matrix.ScaleAt(scale, scale, mousePos.X, mousePos.Y);
_matrixTransform.Matrix = matrix;
_isZoomedIn = true;
}
}
private void Init(object sender, RoutedEventArgs e)
@@ -127,7 +162,13 @@ public class CanvasEditor : Canvas
private void CanvasMouseDown(object sender, MouseButtonEventArgs e)
{
ClearSelections();
NewAnnotationStart(sender, e);
if (Keyboard.Modifiers == ModifierKeys.Control && _isZoomedIn)
{
_panStartPoint = e.GetPosition(this);
SelectionState = SelectionState.PanZoomMoving;
}
else
NewAnnotationStart(sender, e);
}
private void CanvasMouseMove(object sender, MouseEventArgs e)
@@ -137,17 +178,32 @@ public class CanvasEditor : Canvas
_verticalLine.X1 = _verticalLine.X2 = pos.X;
SetLeft(_classNameHint, pos.X + 10);
SetTop(_classNameHint, pos.Y - 30);
if (e.LeftButton != MouseButtonState.Pressed)
return;
if (SelectionState == SelectionState.NewAnnCreating)
NewAnnotationCreatingMove(sender, e);
if (SelectionState == SelectionState.AnnResizing)
AnnotationResizeMove(sender, e);
if (SelectionState == SelectionState.AnnMoving)
AnnotationPositionMove(sender, e);
switch (SelectionState)
{
case SelectionState.NewAnnCreating:
NewAnnotationCreatingMove(sender, e);
break;
case SelectionState.AnnResizing:
AnnotationResizeMove(sender, e);
break;
case SelectionState.AnnMoving:
AnnotationPositionMove(sender, e);
break;
case SelectionState.PanZoomMoving:
PanZoomMove(sender, e);
break;
}
}
private void PanZoomMove(object sender, MouseEventArgs e)
{
var currentPoint = e.GetPosition(this);
var delta = currentPoint - _panStartPoint;
var matrix = _matrixTransform.Matrix;
matrix.Translate(delta.X, delta.Y);
_matrixTransform.Matrix = matrix;
}
private void CanvasMouseUp(object sender, MouseButtonEventArgs e)
@@ -173,15 +229,12 @@ public class CanvasEditor : Canvas
});
control.UpdateLayout();
CheckLabelBoundaries(control);
SelectionState = SelectionState.None;
e.Handled = true;
}
else
{
else if (SelectionState != SelectionState.PanZoomMoving)
CheckLabelBoundaries(_curAnn);
SelectionState = SelectionState.None;
e.Handled = true;
}
SelectionState = SelectionState.None;
e.Handled = true;
}
private void CheckLabelBoundaries(DetectionControl detectionControl)
@@ -213,6 +266,8 @@ public class CanvasEditor : Canvas
{
_horizontalLine.X2 = e.NewSize.Width;
_verticalLine.Y2 = e.NewSize.Height;
_backgroundImage.Width = e.NewSize.Width;
_backgroundImage.Height = e.NewSize.Height;
}
#region Annotation Resizing & Moving
@@ -319,7 +374,7 @@ public class CanvasEditor : Canvas
SetLeft(_newAnnotationRect, _newAnnotationStartPos.X);
SetTop(_newAnnotationRect, _newAnnotationStartPos.Y);
_newAnnotationRect.MouseMove += NewAnnotationCreatingMove;
SelectionState = SelectionState.NewAnnCreating;
}
Azaion.Common/DTO/SelectionState.cs
+3 -2
View File
@@ -1,9 +1,10 @@
namespace Azaion.Annotator.DTO;
namespace Azaion.Common.DTO;
public enum SelectionState
{
None = 0,
NewAnnCreating = 1,
AnnResizing = 2,
AnnMoving = 3
AnnMoving = 3,
PanZoomMoving = 4,
}