public static void Invert()
{
//Undo：撤销
Undo undo = new Undo();
undo.MaskInstantiation(App.Model.MaskRenderTarget, App.Model.MaskAnimatedTarget);
App.UndoAdd(undo);
CanvasCommandList vcl = new CanvasCommandList(App.Model.VirtualControl);
using (var ds = vcl.CreateDrawingSession())
{
ds.Clear(Colors.White);
}
CanvasCommandList acl = new CanvasCommandList(App.Model.AnimatedControl);
using (var ds = acl.CreateDrawingSession())
{
ds.Clear(Colors.White);
}
App.Mask(vcl, acl, 4);//反选
//重新设置描边
App.Model.isReStroke = true;
App.Model.isAnimated = true;
if (App.Model.isMask == true)
{
App.Model.isReRender = true; //重新渲染
App.Model.Refresh++; //画布刷新
}
}
public static void Pixel()
{
//Undo：撤销
Undo undo = new Undo();
undo.MaskInstantiation(App.Model.MaskRenderTarget, App.Model.MaskAnimatedTarget);
App.UndoAdd(undo);
//复制
CanvasRenderTarget crt = new CanvasRenderTarget(App.Model.AnimatedControl, App.Model.Width, App.Model.Height);
crt.SetPixelBytes(App.Model.Layers[App.Model.Index].CanvasRenderTarget.GetPixelBytes());
App.Mask(App.Model.Layers[App.Model.Index].CanvasRenderTarget, crt);
//重新设置描边
App.Model.isReStroke = true;
App.Model.isAnimated = true;
if (App.Model.isMask == true)
{
App.Model.isReRender = true; //重新渲染
App.Model.Refresh++; //画布刷新
}
}
private void Undo()
{
if (App.Model.UndoIndex + 1 == App.Model.Undos.Count)//如果是第一次撤销
{
//根据最后的一个撤销的类型，保留当前的状态为新的撤销类
Undo undo = new Undo();
switch (App.Model.Undos.Last().undeoType)
{
case UndeoType.Targe:
undo.TargeInstantiation(App.Model.Index, App.Model.CurrentRenderTarget);
break;
case UndeoType.Mask:
undo.MaskInstantiation(App.Model.MaskRenderTarget, App.Model.MaskAnimatedTarget);
break;
case UndeoType.Index:
undo.IndexInstantiation(App.Model.Index);
break;
case UndeoType.Collection:
undo.CollectionInstantiation(App.Model.Index, App.Model.Layers);
break;
//case UndeoTyte.LayerAdd :break;
//case UndeoTyte.LayerRemove :break;
case UndeoType.Visual:
undo.VisualInstantiation(App.Model.Index, App.Model.Layers[App.Model.Index].Visual);
break;
case UndeoType.Opacity:
undo.OpacityInstantiation(App.Model.Index, App.Model.Layers[App.Model.Index].Opacity);
break;
case UndeoType.Blend:
undo.BlendInstantiation(App.Model.Index, App.Model.Layers[App.Model.Index].BlendIndex);
break;
case UndeoType.Tool:
undo.ToolInstantiation(App.Model.Tool);
break;
default: break;
}
App.Model.Undos.Add(undo);
}
if (App.Model.Undos.Count > 2 && App.Model.UndoIndex >= 0)
{
App.Model.Undos[App.Model.UndoIndex].Perform(); //后退
App.Model.UndoIndex--; //撤销索引后退一步
App.Model.isRedo = true; //重做可用
}
else
{
App.Model.isUndo = false; //撤销不可用
}
}
public static void Deselect()
{
//Undo：撤销
Undo undo = new Undo();
undo.MaskInstantiation(App.Model.MaskRenderTarget, App.Model.MaskAnimatedTarget);
App.UndoAdd(undo);
App.MaskClear();
//重新设置描边
App.Model.isReStroke = true;
App.Model.isAnimated = true;
if (App.Model.isMask == true)
{
App.Model.isReRender = true; //重新渲染
App.Model.Refresh++; //画布刷新
}
}
public static void Apply()
{
//Undo：撤销
Undo undo = new Undo();
undo.MaskInstantiation(App.Model.MaskRenderTarget, App.Model.MaskAnimatedTarget);
App.UndoAdd(undo);
//画选区（临时征用底选区渲染目标）
using (CanvasDrawingSession ds = App.Model.SecondBottomRenderTarget.CreateDrawingSession())
{
ds.Clear(Colors.Transparent);
ds.DrawImage(App.Model.SecondCanvasImage);
}
//复制
CanvasRenderTarget crt = new CanvasRenderTarget(App.Model.AnimatedControl, App.Model.Width, App.Model.Height);
crt.SetPixelBytes(App.Model.SecondBottomRenderTarget.GetPixelBytes());
App.Mask(App.Model.SecondBottomRenderTarget, crt);
}