/// <summary>
/// AfterRender - Dispose of Graphics object created for rendering.
/// </summary>
private void RendererAfterRender()
{
if (graphics != null)
{
// Check if we only invalidated a rect
if (invalidRect != SvgRectF.Empty)
{
// We actually drew everything on invalidatedRasterImage and now we
// need to copy that to rasterImage
Graphics tempGraphics = Graphics.FromImage(rasterImage);
tempGraphics.DrawImage(invalidatedRasterImage, invalidRect.X, invalidRect.Y,
GdiConverter.ToRectangle(invalidRect), GraphicsUnit.Pixel);
tempGraphics.Dispose();
tempGraphics = null;
// If we currently have an idMapRaster here, then we need to create
// a temporary graphics object to draw the invalidated portion from
// our main graphics window onto it.
if (idMapRaster != null)
{
tempGraphics = Graphics.FromImage(idMapRaster);
tempGraphics.DrawImage(graphics.IdMapRaster, invalidRect.X, invalidRect.Y,
GdiConverter.ToRectangle(invalidRect), GraphicsUnit.Pixel);
tempGraphics.Dispose();
tempGraphics = null;
}
else
{
idMapRaster = graphics.IdMapRaster;
}
// We have updated the invalid region
invalidRect = SvgRectF.Empty;
}
else
{
if (idMapRaster != null && idMapRaster != graphics.IdMapRaster)
{
idMapRaster.Dispose();
}
idMapRaster = graphics.IdMapRaster;
}
graphics.Dispose();
graphics = null;
}
}