private void Selection()
{
App.Model.isCanUndo = false;//关闭撤销
Layer l = App.Model.Layers[App.Model.Index];
//画布：输入源图、形状，输出带形状的源图
CanvasRenderTarget crt = new CanvasRenderTarget(App.Model.VirtualControl, App.Model.Width, App.Model.Height);
using (CanvasDrawingSession ds = crt.CreateDrawingSession())
{
ds.DrawImage(l.CanvasRenderTarget);
CanvasComposite compositeMode = CanvasComposite.DestinationIn;//差模式
ds.DrawImage(App.Model.MaskRenderTarget, 0, 0, l.CanvasRenderTarget.Bounds, 1, CanvasImageInterpolation.Linear, compositeMode);
}
//新建层
Layer ll = new Layer {
Visual = true, Opacity = l.Opacity, CanvasRenderTarget = crt, BlendIndex = l.BlendIndex
};
if (App.Model.isLowView)
{
ll.LowView();
}
else
{
ll.SquareView();
}
//Undo：撤销
Undo undo = new Undo();
undo.AddInstantiation(App.Model.Index);
App.UndoAdd(undo);
App.Model.Layers.Insert(App.Model.Index, ll);
ll.SetWriteableBitmap(App.Model.VirtualControl); //刷新缩略图
App.Model.isReRender = true; //重新渲染
App.Model.Refresh++; //画布刷新
App.Model.LayersCount = App.Model.Layers.Count; //Undo：撤销
App.Model.isCanUndo = true; //打开撤销
}
public static void Apply()
{
App.Model.isCanUndo = false;//关闭撤销
var index = App.Model.Index;
if (App.Model.Index < 0)
{
App.Model.Index = 0; //图层索引
}
//新建渲染目标=>层
CanvasRenderTarget crt = new CanvasRenderTarget(App.Model.VirtualControl, App.Model.Width, App.Model.Height);
using (CanvasDrawingSession ds = crt.CreateDrawingSession())
{
ds.FillGeometry(App.Model.SecondCanvasGeometry, App.Setting.TextX, App.Setting.TextY, App.Model.TextColor);
}
Layer l = new Layer {
Visual = true, Opacity = 100, CanvasRenderTarget = crt,
};
if (App.Model.isLowView)
{
l.LowView();
}
else
{
l.SquareView();
}
l.SetWriteableBitmap(App.Model.VirtualControl);//刷新缩略图
//Undo：撤销
Undo undo = new Undo();
undo.AddInstantiation(index);
App.UndoAdd(undo);
App.Model.Layers.Insert(index, l);
App.Model.Index = index;
App.Model.LayersCount = App.Model.Layers.Count; //更新图层数量以供判断集合撤销
App.Model.isCanUndo = true; //打开撤销
}
public static void Duplicate()
{
App.Model.isCanUndo = false;//关闭撤销
Layer l = App.Model.Layers[App.Model.Index];
//复制渲染目标
CanvasRenderTarget crt = new CanvasRenderTarget(App.Model.VirtualControl, App.Model.Width, App.Model.Height);
using (var ds = crt.CreateDrawingSession())
{
ds.DrawImage(l.CanvasRenderTarget);
}
Layer ll = new Layer {
Visual = true, Opacity = l.Opacity, CanvasRenderTarget = crt, BlendIndex = l.BlendIndex,
};
if (App.Model.isLowView)
{
ll.LowView();
}
else
{
ll.SquareView();
}
//Undo：撤销
Undo undo = new Undo();
undo.AddInstantiation(App.Model.Index);
App.UndoAdd(undo);
App.Model.Layers.Insert(App.Model.Index, ll);
ll.SetWriteableBitmap(App.Model.VirtualControl);//刷新缩略图
App.Model.isReRender = true; //重新渲染
App.Model.Refresh++; //画布刷新
App.Model.LayersCount = App.Model.Layers.Count; //更新图层数量以供判断集合撤销
App.Model.isCanUndo = true; //打开撤销
}
public static void Apply()
{
App.Model.isCanUndo = false;//关闭撤销
var index = App.Model.Index;
//新建渲染目标=>层
CanvasRenderTarget crt = new CanvasRenderTarget(App.Model.VirtualControl, App.Model.Width, App.Model.Height);
using (CanvasDrawingSession ds = crt.CreateDrawingSession())
{
ds.DrawImage(App.Model.SecondCanvasImage);
}
Layer l = new Layer {
Visual = true, Opacity = 100, CanvasRenderTarget = crt,
};
if (App.Model.isLowView)
{
l.LowView();
}
else
{
l.SquareView();
}
l.SetWriteableBitmap(App.Model.VirtualControl);//刷新缩略图
//Undo：撤销
Undo undo = new Undo();
undo.AddInstantiation(index);
App.UndoAdd(undo);
App.Model.Layers.Insert(index, l);
App.Model.Index = index;
App.Model.isCanUndo = true;//打开撤销
}
public static void Blank()
{
App.Model.isCanUndo = false;//关闭撤销
int index = App.Model.Index;
//新建渲染目标=>层
CanvasRenderTarget crt = new CanvasRenderTarget(App.Model.VirtualControl, App.Model.Width, App.Model.Height);
Layer l = new Layer {
Visual = true, Opacity = 100, CanvasRenderTarget = crt,
};
if (App.Model.isLowView)
{
l.LowView();
}
else
{
l.SquareView();
}
//Undo：撤销
Undo undo = new Undo();
undo.AddInstantiation(App.Model.Index);
App.UndoAdd(undo);
App.Model.Layers.Insert(App.Model.Index, l);
l.SetWriteableBitmap(App.Model.VirtualControl);//刷新缩略图
App.Model.Index = index + 1;
App.Model.isReRender = true; //重新渲染
App.Model.Refresh++; //画布刷新
App.Model.LayersCount = App.Model.Layers.Count; //更新图层数量以供判断集合撤销
App.Model.isCanUndo = true; //打开撤销
}
