void DrawChildNodeD2D(ScDrawNode parent, ScGraphics g)
{
Layer d2dLayer;
foreach (ScDrawNode node in parent.nodes)
{
if (node.layer.IsComputedStraight)
{
if (node.isRender && node.layer.IsRender)
{
D2DPaint(g, node);
}
DrawChildNodeD2D(node, g);
}
else
{
d2dLayer = PushLayer((D2DGraphics)g, node.layer);
D2DPaint(g, node);
DrawChildNodeD2D(node, g);
PopLayer((D2DGraphics)g);
d2dLayer.Dispose();
}
}
}
void AddChildReDrawScLayer(ScDrawNode parentDrawNode, RectangleF parentClipRect)
{
ScLayer parentScLayer = parentDrawNode.layer;
_AddChildReDrawScLayer(parentDrawNode, parentClipRect, parentScLayer.controls);
_AddChildReDrawScLayer(parentDrawNode, parentClipRect, parentScLayer.DirectClipChildLayerList);
}
void GDIPaint(ScGraphics g, ScDrawNode node)
{
if (node == null)
{
return;
}
ScLayer layer = node.layer;
if (node.rootLayer == null)
{
g.SetClip(node.clipRect);
g.Transform = layer.GlobalMatrix;
g.layer = layer;
layer.OnGDIPaint(g);
}
else
{
ScLayer rootLayer = node.rootLayer;
Matrix m = new Matrix();
m.Translate(-rootLayer.DrawBox.X, -rootLayer.DrawBox.Y);
m.Multiply(layer.GlobalMatrix);
g.SetClip(node.clipRect);
g.Transform = m;
g.layer = layer;
layer.OnGDIPaint(g);
m.Dispose();
}
g.layer = null;
g.ResetTransform();
g.ResetClip();
}
void D2DPaint(ScGraphics g, ScDrawNode node)
{
ScLayer layer = node.layer;
g.SetClip(node.clipRect);
g.Transform = layer.GlobalMatrix;
g.layer = layer;
layer.OnD2DPaint(g);
g.layer = null;
g.ResetTransform();
g.ResetClip();
}
public ScDrawNode ReCreateReDrawTree(ScLayer rootLayer, Rectangle refreshArea)
{
if (rootLayer.Visible == false)
{
return(null);
}
scmgr = rootLayer.ScMgr;
RectangleF clipRect = new RectangleF(refreshArea.X, refreshArea.Y, refreshArea.Width, refreshArea.Height);
root = _AddChildReDrawScLayer(null, clipRect, new List <ScLayer> {
rootLayer
});
return(root);
}
void GDIPaintLayer(GDIGraphics g, ScDrawNode node)
{
if (node == null)
{
return;
}
ScLayer layer = node.layer;
g.SetClip(node.clipRect);
g.Transform = node.m;
layer.OnGDIPaint(g);
g.ResetTransform();
g.ResetClip();
node.m.Dispose();
}
public GDILayer PushLayer(GDIGraphics g, ScDrawNode node)
{
ScLayer sclayer = node.layer;
GDILayer gdiLayer = new GDILayer(g);
GDILayerParameters layerParameters = new GDILayerParameters();
layerParameters.ContentBounds = sclayer.DrawBox;
layerParameters.MaskAntialiasMode = GDIAntialiasMode.PerPrimitive;
layerParameters.Opacity = sclayer.Opacity;
layerParameters.ClipRect = new RectangleF(
(int)(node.clipRect.X - sclayer.DrawBox.X - 1), (int)(node.clipRect.Y - sclayer.DrawBox.Y - 1),
(int)(node.clipRect.Width + 2), (int)(node.clipRect.Height + 2));
Matrix m = new Matrix();
m.Translate(-sclayer.DrawBox.X, -sclayer.DrawBox.Y);
m.Multiply(sclayer.GlobalMatrix);
node.m = m;
node.rootLayer = node.layer;
if (!sclayer.Parent.IsComputedStraight)
{
m = new Matrix();
m.Translate(-sclayer.Parent.DrawBox.X, -sclayer.Parent.DrawBox.Y);
m.Multiply(sclayer.GlobalMatrix);
layerParameters.GeometricMask = sclayer.CreateTransLastHitGeometryForGDI(m);
m.Dispose();
}
else
{
layerParameters.GeometricMask = sclayer.TransLastHitGraphicsPath;
layerParameters.parentClipRect = node.clipRect;
}
node.clipRect = layerParameters.ClipRect;
layerParameters.sclayer = sclayer;
g.PushLayer(layerParameters, gdiLayer);
return(gdiLayer);
}
void DrawChildNodeGDI(ScDrawNode parent, ScGraphics g)
{
GDILayer gdiLayer;
foreach (ScDrawNode node in parent.nodes)
{
if (node.layer.IsComputedStraight)
{
GDIPaint(g, node);
DrawChildNodeGDI(node, g);
}
else
{
gdiLayer = PushLayer((GDIGraphics)g, node);
GDIPaintLayer((GDIGraphics)g, node);
DrawChildNodeGDI(node, g);
PopLayer((GDIGraphics)g);
gdiLayer.Dispose();
}
}
}
ScDrawNode _AddChildReDrawScLayer(ScDrawNode parentDrawNode, RectangleF parentClipRect, List <ScLayer> childLayerList)
{
if (childLayerList == null)
{
return(null);
}
RectangleF rect;
ScDrawNode drawNode = null;
foreach (ScLayer childLayer in childLayerList)
{
if (childLayer.Visible == false ||
childLayer.IsNotAtRootDrawBoxBound)
{
continue;
}
rect = childLayer.DrawBox;
ScDrawNode clipDrawNode;
RectangleF clipRect;
clipDrawNode = parentDrawNode;
clipRect = parentClipRect;
if (clipRect.IntersectsWith(rect))
{
rect.Intersect(clipRect);
drawNode = new ScDrawNode();
drawNode.layer = childLayer;
drawNode.clipRect = rect;
drawNode.parent = clipDrawNode;
if (clipDrawNode != null)
{
clipDrawNode.nodes.Add(drawNode);
}
//子层完全覆盖了父层，父层将不再绘制
if (childLayer.BackgroundColor != null &&
childLayer.BackgroundColor.Value.A == 255 &&
childLayer.IsComputedStraight && clipDrawNode.clipRect.Equals(rect))
{
clipDrawNode.isRender = false;
for (ScDrawNode parentNode = clipDrawNode.parent; parentNode != null; parentNode = parentNode.parent)
{
if (!parentNode.clipRect.Equals(rect) || parentNode.layer.IsComputedStraight)
{
break;
}
parentNode.isRender = false;
}
}
AddChildReDrawScLayer(drawNode, drawNode.clipRect);
}
}
return(drawNode);
}
