public void Dispose()
{
if (backgroundGraphic != null)
{
backgroundGraphic.Dispose();
}
backgroundGraphic = null;
if (graphicsBuffer != null)
{
graphicsBuffer.Dispose();
}
graphicsBuffer = null;
if (backgroundRenderGraphic != null)
{
backgroundRenderGraphic.Dispose();
}
backgroundRenderGraphic = null;
if (backgroundMemoryBitmap != null)
{
GDIRender.DeleteObject(memoryBitmapHdc);
backgroundMemoryBitmap.Dispose();
}
backgroundMemoryBitmap = null;
if (backgroundMemoryGraphic != null)
{
GDIRender.DeleteObject(memoryGraphicHdc);
backgroundMemoryGraphic.Dispose();
}
backgroundMemoryGraphic = null;
if (backgroundDrawGraphic != null)
{
backgroundDrawGraphic.Dispose();
}
backgroundDrawGraphic = null;
}
public int ResetDraw(Panel GraphOle, Color BackColor)
{
if (GraphOle == null || GraphOle.GetType() != typeof(Panel) || GraphOle.ClientRectangle.Width < 1 || GraphOle.ClientRectangle.Height < 1)
{
return(-1);
}
RenderLock.WaitLock();
backgroundGraph = GraphOle;
lock (backgroundGraph)
{
if (backgroundGraphic != null)
{
backgroundGraphic.Dispose();
}
if (graphicsBuffer != null)
{
graphicsBuffer.Dispose();
}
if (backgroundRenderGraphic != null)
{
backgroundRenderGraphic.Dispose();
}
if (backgroundMemoryBitmap != null)
{
GDIRender.DeleteObject(memoryBitmapHdc);
backgroundMemoryBitmap.Dispose();
}
if (backgroundMemoryGraphic != null)
{
GDIRender.DeleteObject(memoryGraphicHdc);
backgroundMemoryGraphic.Dispose();
}
if (backgroundDrawGraphic != null)
{
backgroundDrawGraphic.Dispose();
}
backgroundGraphic = backgroundGraph.CreateGraphics();
graphicsBuffer = BufferedGraphicsManager.Current.Allocate(backgroundGraphic, backgroundGraph.ClientRectangle);
backgroundRenderGraphic = graphicsBuffer.Graphics;
backgroundRenderGraphic.Clear(BackColor);
backgroundRenderGraphic.SetClip(backgroundGraph.ClientRectangle);
backgroundMemoryBitmap = new Bitmap(backgroundGraph.ClientRectangle.Width, backgroundGraph.ClientRectangle.Height, backgroundRenderGraphic);
backgroundMemoryGraphic = Graphics.FromImage(backgroundMemoryBitmap);
backgroundMemoryGraphic.Clear(BackColor);
memoryGraphicHdc = GDIRender.CreateCompatibleDC(backgroundMemoryGraphic.GetHdc());
memoryBitmapHdc = backgroundMemoryBitmap.GetHbitmap();
GDIRender.SelectObject(memoryGraphicHdc, memoryBitmapHdc);
backgroundDrawGraphic = Graphics.FromHdc(memoryGraphicHdc);
switch (DrawQuality)
{
case DRAW_QUALITY.QUALITY_SUPER_HIGH:
backgroundDrawGraphic.SmoothingMode = SmoothingMode.HighQuality;
backgroundDrawGraphic.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
backgroundDrawGraphic.InterpolationMode = InterpolationMode.HighQualityBilinear;
backgroundDrawGraphic.PixelOffsetMode = PixelOffsetMode.HighQuality;
break;
case DRAW_QUALITY.QUALITY_HIGH:
backgroundDrawGraphic.SmoothingMode = SmoothingMode.AntiAlias;
backgroundDrawGraphic.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
backgroundDrawGraphic.InterpolationMode = InterpolationMode.Bilinear;
backgroundDrawGraphic.PixelOffsetMode = PixelOffsetMode.Half;
break;
case DRAW_QUALITY.QUALITY_MIDDLE:
backgroundDrawGraphic.SmoothingMode = SmoothingMode.HighSpeed;
backgroundDrawGraphic.TextRenderingHint = TextRenderingHint.AntiAlias;
backgroundDrawGraphic.InterpolationMode = InterpolationMode.NearestNeighbor;
backgroundDrawGraphic.PixelOffsetMode = PixelOffsetMode.HighSpeed;
break;
case DRAW_QUALITY.QUALITY_LOW:
backgroundDrawGraphic.SmoothingMode = SmoothingMode.None;
backgroundDrawGraphic.TextRenderingHint = TextRenderingHint.SingleBitPerPixelGridFit;
backgroundDrawGraphic.InterpolationMode = InterpolationMode.Low;
backgroundDrawGraphic.PixelOffsetMode = PixelOffsetMode.None;
break;
}
}
RenderLock.Unlock();
return(0);
}