Files
Progrart/Progrart.Core/Graphics/VisualRoot.cs
2025-12-26 03:06:15 +11:00

83 lines
1.9 KiB
C#

using Jint;
using Jint.Native;
namespace Progrart.Core.Graphics
{
public class ImageRoot : BaseElement
{
}
public class VisualRoot : BaseElement
{
float w;
float h;
float tx;
float ty;
float scale;
float rotate;
void Transform(RenderContext context)
{
context.canvas.Translate(tx, ty);
context.canvas.RotateDegrees(rotate, context.DrawingCore.Width / 2, context.DrawingCore.Height / 2);
context.canvas.Scale(scale, scale, context.DrawingCore.Width / 2, context.DrawingCore.Height / 2);
}
void Untransform(RenderContext context)
{
context.canvas.Scale(scale, scale, context.DrawingCore.Width / 2, context.DrawingCore.Height / 2);
context.canvas.RotateDegrees(rotate, context.DrawingCore.Width / 2, context.DrawingCore.Height / 2);
context.canvas.Translate(-tx, -ty);
}
public override void LoadProperties()
{
base.LoadProperties();
if (__object is null) return;
{
if (__object.Get("translate") is JsObject translate)
{
tx = (float)translate.Get("x").AsNumber();
ty = (float)translate.Get("y").AsNumber();
}
}
{
scale = (float)__object.Get("scale").AsNumber();
}
{
scale = (float)__object.Get("rotation").AsNumber();
}
w = (float)__object.Get("width").AsNumber();
h = (float)__object.Get("height").AsNumber();
}
public override void Render(RenderContext context)
{
base.Render(context);
this.LoadProperties();
Transform(context);
foreach (var item in Children)
{
item.Render(context);
}
Untransform(context);
}
public override void SetupProperties(Engine engine)
{
base.SetupProperties(engine);
if (__object != null)
{
{
JsObject point = new JsObject(engine);
point.Set("x", 0);
point.Set("y", 0);
__object.Set("translate", point);
}
{
__object.Set("scale", 1);
}
{
__object.Set("rotation", 0);
}
__object.Set("width", 1);
__object.Set("height", 1);
}
}
}
}