public virtual bool RenderImage(string saveToBmp, bool bRotate90 = false)
{
ImageGraphic graphic = null;
try
{
int frame = 0;
if (frame != CurrentFrame || _pixelData == null)
{
Load(Dataset, frame);
}
graphic = new ImageGraphic(_pixelData);
if (ShowOverlays)
{
foreach (var overlay in _overlays)
{
if ((frame + 1) < overlay.OriginFrame ||
(frame + 1) > (overlay.OriginFrame + overlay.NumberOfFrames - 1))
{
continue;
}
var og = new OverlayGraphic(
PixelDataFactory.Create(overlay),
overlay.OriginX - 1,
overlay.OriginY - 1,
OverlayColor);
graphic.AddOverlay(og);
og.Scale(this._scale);
}
}
//return graphic.RenderImage(this._pipeline.LUT, bRotate90, saveToBmp);
return(graphic.RenderFileImage(this._pipeline.LUT, saveToBmp));
}
finally
{
if (graphic != null)
{
graphic = null;
}
}
//RenderFileImage直接将像素数据输出到文件，无需内存中转以节约内存占用
}