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支持画笔及痕迹擦除，为白板做准备

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艾竹
2023-05-07 23:01:38 +08:00
parent 4a1d25fdf0
commit c3342ced13
30 changed files with 2639 additions and 607 deletions
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170
AIStudio.Wpf.DiagramDesigner/Converters/ColorBrushConverter.cs
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@@ -22,175 +22,7 @@ namespace AIStudio.Wpf.DiagramDesigner
}
else if (value is ColorObject colorObject)
{
if (colorObject.BrushType == BrushType.None)
brush = new SolidColorBrush(Colors.Transparent);
else if (colorObject.BrushType == BrushType.SolidColorBrush)
brush = new SolidColorBrush(colorObject.Color);
else if (colorObject.BrushType == BrushType.LinearGradientBrush)
{
Point startPoint;
Point endPoint;
if (colorObject.LinearOrientation == LinearOrientation.LeftToRight)
{
startPoint = new Point(0, 0.5);
endPoint = new Point(1, 0.5);
}
else if (colorObject.LinearOrientation == LinearOrientation.LeftTopToRightBottom)
{
startPoint = new Point(0, 0);
endPoint = new Point(1, 1);
}
else if (colorObject.LinearOrientation == LinearOrientation.TopToBottom)
{
startPoint = new Point(0.5, 0);
endPoint = new Point(0.5, 1);
}
else if (colorObject.LinearOrientation == LinearOrientation.RightTopToLeftBottom)
{
startPoint = new Point(1, 0);
endPoint = new Point(0, 1);
}
else if (colorObject.LinearOrientation == LinearOrientation.RightToLeft)
{
startPoint = new Point(1, 0.5);
endPoint = new Point(0, 0.5);
}
else if (colorObject.LinearOrientation == LinearOrientation.RightBottomToLeftTop)
{
startPoint = new Point(1, 1);
endPoint = new Point(0, 0);
}
else if (colorObject.LinearOrientation == LinearOrientation.BottomToTop)
{
startPoint = new Point(0.5, 1);
endPoint = new Point(0.5, 0);
}
else if (colorObject.LinearOrientation == LinearOrientation.LeftBottomToRightTop)
{
startPoint = new Point(0, 1);
endPoint = new Point(1, 0);
}
else
{
startPoint = new Point(0, 0.5);
endPoint = new Point(1, 0.5);
}
LinearGradientBrush myBrush = new LinearGradientBrush();
myBrush.StartPoint = startPoint;
myBrush.EndPoint = endPoint;
if (colorObject.GradientStop != null)
{
foreach (var stop in colorObject.GradientStop)
{
myBrush.GradientStops.Add(new System.Windows.Media.GradientStop(stop.Color, stop.Offset));
}
}
brush = myBrush;
RotateTransform rotateTransform = new RotateTransform(colorObject.Angle, 0.5, 0.5);
myBrush.RelativeTransform = rotateTransform;
}
else if (colorObject.BrushType == BrushType.RadialGradientBrush)
{
Point center;
Point gradientOrigin;
double radiusX;
double radiusY;
if (colorObject.RadialOrientation == RadialOrientation.LeftTop)
{
center = new Point(0, 0);
gradientOrigin = center;
radiusX = 1;
radiusY = 1;
}
else if (colorObject.RadialOrientation == RadialOrientation.RightTop)
{
center = new Point(1, 0);
gradientOrigin = center;
radiusX = 1;
radiusY = 1;
}
else if (colorObject.RadialOrientation == RadialOrientation.RightBottom)
{
center = new Point(1, 1);
gradientOrigin = center;
radiusX = 1;
radiusY = 1;
}
else if (colorObject.RadialOrientation == RadialOrientation.LeftBottom)
{
center = new Point(0, 1);
gradientOrigin = center;
radiusX = 1;
radiusY = 1;
}
else
{
center = new Point(0.5, 0.5);
gradientOrigin = center;
radiusX = 0.5;
radiusY = 0.5;
}
RadialGradientBrush myBrush = new RadialGradientBrush();
myBrush.Center = center;
myBrush.GradientOrigin = gradientOrigin;
myBrush.RadiusX = radiusX;
myBrush.RadiusY = radiusY;
if (colorObject.GradientStop != null)
{
foreach (var stop in colorObject.GradientStop)
{
myBrush.GradientStops.Add(new System.Windows.Media.GradientStop(stop.Color, stop.Offset));
}
}
brush = myBrush;
RotateTransform rotateTransform = new RotateTransform(colorObject.Angle, 0.5, 0.5);
myBrush.RelativeTransform = rotateTransform;
}
else if (colorObject.BrushType == BrushType.ImageBrush)
{
ImageBrush myBrush = new ImageBrush();
myBrush.ImageSource = new BitmapImage(new Uri(colorObject.Image, UriKind.Absolute));
brush = myBrush;
}
else if (colorObject.BrushType == BrushType.DrawingBrush)
{
DrawingBrush myBrush = new DrawingBrush();
GeometryDrawing backgroundSquare =
new GeometryDrawing(
Brushes.White,
null,
new RectangleGeometry(new Rect(0, 0, 100, 100)));
GeometryGroup aGeometryGroup = new GeometryGroup();
aGeometryGroup.Children.Add(new RectangleGeometry(new Rect(0, 0, 50, 50)));
aGeometryGroup.Children.Add(new RectangleGeometry(new Rect(50, 50, 50, 50)));
LinearGradientBrush checkerBrush = new LinearGradientBrush();
checkerBrush.GradientStops.Add(new System.Windows.Media.GradientStop(Colors.Black, 0.0));
checkerBrush.GradientStops.Add(new System.Windows.Media.GradientStop(Colors.Gray, 1.0));
GeometryDrawing checkers = new GeometryDrawing(checkerBrush, null, aGeometryGroup);
DrawingGroup checkersDrawingGroup = new DrawingGroup();
checkersDrawingGroup.Children.Add(backgroundSquare);
checkersDrawingGroup.Children.Add(checkers);
myBrush.Drawing = checkersDrawingGroup;
myBrush.Viewport = new Rect(0, 0, 0.25, 0.25);
myBrush.TileMode = TileMode.Tile;
brush = myBrush;
}
if (brush != null)
{
brush.Opacity = colorObject.Opacity;
}
brush = ColorObject.ToBrush(colorObject);
}
else if (value is ObservableCollection<GradientStop> gradientStop)
{

27
AIStudio.Wpf.DiagramDesigner/Converters/NegativeConverter.cs Normal file
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@@ -0,0 +1,27 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;
namespace AIStudio.Wpf.DiagramDesigner
{
public class NegativeConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (value is double)
{
return 0 - (double)value;
}
return value;
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
throw new NotImplementedException();
}
}
}