private void ApplyImageProcessors()
{
if (_rgbProcessorStack == null || _rgbProcessorStack.Count == 0)
{
return;
}
//_rgbProcessorStack.Apply(GetAOI(), _bitmap);
_rgbProcessorStack.Apply(null, _bitmap);//根据气象局遥感室业务人员的要求，不需要对感兴趣区域做增强。
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
if (_originalBitmap != null)
{
using (Bitmap bitmap = _originalBitmap.Clone() as Bitmap)
{
sw.Start();
//
_processorStack.Apply(null, bitmap);
//
this.Text = sw.ElapsedMilliseconds.ToString();
sw.Reset();
//
e.Graphics.DrawImage(bitmap, 0, 0);
}
}
}
public static Bitmap GetBitmapUseOriginResolution(this IRasterDrawing drawing)
{
IOverviewGenerator gen = drawing.DataProviderCopy as IOverviewGenerator;
if (drawing.SelectedBandNos == null)
{
return(null);
}
Bitmap bm = null;
if (drawing.SelectedBandNos.Length == 1)
{
bm = new Bitmap(drawing.DataProviderCopy.Width, drawing.DataProviderCopy.Height, PixelFormat.Format8bppIndexed);
bm.Palette = BitmapBuilderFactory.GetDefaultGrayColorPalette();
}
else
{
try
{
bm = new Bitmap(drawing.DataProviderCopy.Width, drawing.DataProviderCopy.Height, PixelFormat.Format24bppRgb);
}
catch (Exception ex)
{
throw new Exception(string.Format("无法创建过大的Bitmap[{0}*{1}]", drawing.DataProviderCopy.Width, drawing.DataProviderCopy.Height), ex.InnerException);
}
}
string ext = Path.GetExtension(drawing.FileName).ToLower();
if (ext == ".bmp" || ext == ".png" || ext == ".jpg" || ext == ".jpeg")
{
bm = (Bitmap)Bitmap.FromFile(drawing.FileName);
}
else
{
gen.Generate(drawing.SelectedBandNos, ref bm);
}
IRgbProcessorStack stack = drawing.RgbProcessorStack;
stack.Apply(null, bm);
return(bm);
}
