private void TryResetConflictor()
{
if (_isCheckConflicting)
{
_conflictor.Reset();
}
}
private void ReRender(RenderArgs arg, bool needComputeViewport)
{
if (_dummyBitmap != null)
{
_dummyBitmap.Dispose();
}
_dummyBitmap = new Bitmap(_environment.CanvasSize.Width, _environment.CanvasSize.Height);
if (needComputeViewport) //for web
{
ComputeViewportProjection();
}
_dummyEnvelope = ExtentOfProjectionCoord.Clone() as Envelope;
//
ILayerContainer layerContainer = _map.LayerContainer;
//计算用于快速坐标变换的参数
ComputeQuickArgs();
//构造缓存画布
using (Graphics g = Graphics.FromImage(_dummyBitmap))
{
g.SmoothingMode = _map.MapArguments.SmoothingMode;
g.Clear(_map.MapArguments.BackColor);
//重置冲突检测
if (_conflictorForSymbol != null && _conflictorForSymbol.Enabled)
{
_conflictorForSymbol.Reset();
}
//
if (_conflictorForLabel != null && _conflictorForLabel.Enabled)
{
_conflictorForLabel.Reset();
_labelRender.Begin(_conflictorForLabel, this as IFeatureRenderEnvironment);
}
else
{
_labelRender.Begin(null, this as IFeatureRenderEnvironment);
}
//绘制影像层
DrawRasterlayers(g);
//绘制几何形状
DrawAllGeometries(layerContainer, g);
//绘制标注
DrawAllLabels(layerContainer, g);
#region debug
//(_conflictorForLabel as PixelConflictor).Save();
#endregion
}
arg.Graphics.DrawImage(_dummyBitmap, 0, 0);
}
