private static void RenderVisual(SKSurface surface, SKImageInfo info, Visual visual)
{
if (visual.Opacity != 0)
{
surface.Canvas.Save();
var visualMatrix = surface.Canvas.TotalMatrix;
visualMatrix = visualMatrix.PreConcat(SKMatrix.CreateTranslation(visual.Offset.X, visual.Offset.Y));
if (visual.RotationAngleInDegrees != 0)
{
visualMatrix = visualMatrix.PreConcat(SKMatrix.CreateRotationDegrees(visual.RotationAngleInDegrees, visual.CenterPoint.X, visual.CenterPoint.Y));
}
if (visual.TransformMatrix != Matrix4x4.Identity)
{
visualMatrix = visualMatrix.PreConcat(visual.TransformMatrix.ToSKMatrix44().Matrix);
}
surface.Canvas.SetMatrix(visualMatrix);
if (visual.Clip is InsetClip insetClip)
{
surface.Canvas.ClipRect(new SKRect {
Top = insetClip.TopInset,
Bottom = insetClip.BottomInset,
Left = insetClip.LeftInset,
Right = insetClip.RightInset
});
}
visual.Render(surface, info);
switch (visual)
{
case SpriteVisual spriteVisual:
foreach (var inner in spriteVisual.Children)
{
RenderVisual(surface, info, inner);
}
break;
case ContainerVisual containerVisual:
foreach (var inner in containerVisual.Children)
{
RenderVisual(surface, info, inner);
}
break;
}
surface.Canvas.Restore();
}
}
private void RenderVisual(SKSurface surface, SKImageInfo info, Visual visual)
{
if (visual.Opacity != 0 && visual.IsVisible)
{
surface.Canvas.Save();
var visualMatrix = surface.Canvas.TotalMatrix;
visualMatrix = visualMatrix.PreConcat(SKMatrix.CreateTranslation(visual.Offset.X, visual.Offset.Y));
visualMatrix = visualMatrix.PreConcat(SKMatrix.CreateTranslation(visual.AnchorPoint.X, visual.AnchorPoint.Y));
if (visual.RotationAngleInDegrees != 0)
{
visualMatrix = visualMatrix.PreConcat(SKMatrix.CreateRotationDegrees(visual.RotationAngleInDegrees, visual.CenterPoint.X, visual.CenterPoint.Y));
}
if (visual.TransformMatrix != Matrix4x4.Identity)
{
visualMatrix = visualMatrix.PreConcat(visual.TransformMatrix.ToSKMatrix44().Matrix);
}
surface.Canvas.SetMatrix(visualMatrix);
ApplyClip(surface, visual);
using var opacityDisposable = PushOpacity(visual.Opacity);
visual.Render(surface, info);
switch (visual)
{
case SpriteVisual spriteVisual:
foreach (var inner in spriteVisual.Children)
{
RenderVisual(surface, info, inner);
}
break;
case ContainerVisual containerVisual:
foreach (var inner in containerVisual.Children)
{
RenderVisual(surface, info, inner);
}
break;
}
surface.Canvas.Restore();
}
}
internal void RenderVisual(SKSurface surface, Visual visual)
{
if (visual.Opacity != 0 && visual.IsVisible)
{
if (visual.ShadowState is { } shadow)
{
surface.Canvas.SaveLayer(shadow.Paint);
}
else
{
surface.Canvas.Save();
}
var visualMatrix = surface.Canvas.TotalMatrix;
visualMatrix = visualMatrix.PreConcat(SKMatrix.CreateTranslation(visual.Offset.X, visual.Offset.Y));
visualMatrix = visualMatrix.PreConcat(SKMatrix.CreateTranslation(visual.AnchorPoint.X, visual.AnchorPoint.Y));
if (visual.RotationAngleInDegrees != 0)
{
visualMatrix = visualMatrix.PreConcat(SKMatrix.CreateRotationDegrees(visual.RotationAngleInDegrees, visual.CenterPoint.X, visual.CenterPoint.Y));
}
if (visual.TransformMatrix != Matrix4x4.Identity)
{
visualMatrix = visualMatrix.PreConcat(visual.TransformMatrix.ToSKMatrix44().Matrix);
}
surface.Canvas.SetMatrix(visualMatrix);
ApplyClip(surface, visual);
using var opacityDisposable = PushOpacity(visual.Opacity);
visual.Render(surface);
if (visual is ContainerVisual containerVisual)
{
var children = containerVisual.GetChildrenInRenderOrder();
for (var i = 0; i < children.Count; i++)
{
RenderVisual(surface, children[i]);
}
}
surface.Canvas.Restore();
}
