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Bitmap memBmp = new Bitmap(pCanvas.Width, pCanvas.Height);
using (Graphics gMem = Graphics.FromImage(memBmp))
{
//
pCanvas.Image = memBmp;
WSnap _wSnap = new WSnap(this);
Color canvasColor = Color.FromArgb(0xE5, 0xE5, 0xE5);
gMem.Clear(canvasColor);
Canvas.InitCanvas(gMem, _canvas, pCanvas, _zoom);
gMem.DrawImage(memBmp, pCanvas.ClientRectangle.X, pCanvas.ClientRectangle.Y);
// 高清,平滑
gMem.SmoothingMode = SmoothingMode.HighQuality;
gMem.InterpolationMode = InterpolationMode.HighQualityBicubic;
gMem.CompositingQuality = CompositingQuality.HighSpeed;
if (GeneralCmd._gcMouseDown == false && IsDrawing)
{
}
_wCmd._wGLine.Draw(gMem, _canvas, this, _wCmd, _drawContainer, this.Font, _zoom);
if (IsDrawing)
{
_wGraph.DrawOnMouse(gMem, _canvas, pCanvas, _wCmd, _drawContainer._dcMouseMovePoint, _zoom);
}
if (GeneralCmd._gcNewDraw == false)
{
_wGraph.DrawClickPoint(gMem, _canvas, _wCmd, _drawContainer, _zoom);
}
if (_lockSnap)
{
_wSnap.DrawSnap(gMem, _zoom);
}
using (Graphics gg = pCanvas.CreateGraphics())
{
gg.DrawImage(memBmp, pCanvas.ClientRectangle.X, pCanvas.ClientRectangle.Y);
}
}