public DominoRenderer(ProjectCanvas pc)
{
_noSkia = new FormattedText()
{
Text = "Current rendering API is not Skia"
};
Bounds = new Rect(0, 0, pc.Bounds.Width, pc.Bounds.Height);
TightBounds = pc.TransformedBounds;
shift_x = (float)pc.ShiftX;
shift_y = (float)pc.ShiftY;
zoom = (float)pc.Zoom;
unselectedBorderColor = pc.UnselectedBorderColor.ToSKColor();
selectedBorderColor = pc.SelectedBorderColor.ToSKColor();
pasteHightlightColor = Colors.Violet.ToSKColor();
deletionHighlightColor = SKColors.Red;
selectionColor = pc.SelectionDomainColor.ToSKColor();
selectionPath = pc.SelectionDomain.Clone();
this.project = pc.Project;
// Transform the selection path into screen coordinates
var transform = SKMatrix.CreateScaleTranslation(zoom, zoom, -shift_x * zoom, -shift_y * zoom);
this.ProjectHeight = (float)pc.ProjectHeight;
this.ProjectWidth = (float)pc.ProjectWidth;
this.above = pc.SourceImageAbove;
this.background = pc.BackgroundColor.ToSKColor();
this.AdditionalDrawables = pc.AdditionalDrawables;
selectionPath?.Transform(transform);
selectionVisible = pc.SelectionDomainVisible;
bitmap = pc.SourceImage;
bitmapopacity = (byte)(pc.SourceImageOpacity * 255);
dominoopacity = (byte)(pc.DominoOpacity * 255);
BorderSize = pc.BorderSize;
}
private void AdditionalDrawablesChanged(ProjectCanvas o, AvaloniaPropertyChangedEventArgs e)
{
if (e.OldValue != null && e.OldValue is AvaloniaList <CanvasDrawable> list)
{
list.CollectionChanged -= ForceRedrawMethod;
}
if (e.NewValue != null && e.NewValue is AvaloniaList <CanvasDrawable> list2)
{
list2.CollectionChanged += ForceRedrawMethod;
}
}
private void UpdateHorizontalSlider(ProjectCanvas o, AvaloniaPropertyChangedEventArgs e)
{
if (e == null || e.Property == ShiftXProperty || e.Property == ZoomProperty)
{
double newval = e == null || e.Property == ZoomProperty ? ShiftX : (double)e.NewValue;
// Binding to maximum or minimum doesn't work for some reason, so it's fixed
VirtualHorizontalSliderMax = Math.Max(ShiftX, ProjectWidth - Bounds.Width / Zoom);
VirtualHorizontalSliderMin = Math.Min(ShiftX, 0);
var scaling_factor = 100.0 / (VirtualHorizontalSliderMax - VirtualHorizontalSliderMin);
var candidate = newval * scaling_factor - VirtualHorizontalSliderMin * scaling_factor;
if (Math.Abs(candidate - HorizontalSliderPos) > 0.01)
{
HorizontalSliderPos = candidate;
}
HorizontalSliderSize = scaling_factor * Bounds.Width;
}
else if (e.Property == HorizontalSliderPosProperty && !double.IsNaN((double)e.NewValue))
{
var scaling_factor = 100.0 / (VirtualHorizontalSliderMax - VirtualHorizontalSliderMin);
ShiftX = (double)e.NewValue / scaling_factor + VirtualHorizontalSliderMin;
}
}