private static void TryLoadAOIMaskLayer(ICanvas canvas, IRasterDrawing drawing, string fname)
{
string aoiFileName = Path.Combine(Path.GetDirectoryName(fname), Path.GetFileNameWithoutExtension(fname) + ".aoi");
if (!File.Exists(aoiFileName))
{
return;
}
int[] aoi;
using (FileStream fs = new FileStream(aoiFileName, FileMode.Open))
{
int count = (int)(fs.Length / Marshal.SizeOf(typeof(int)));
aoi = new int[count];
using (BinaryReader br = new BinaryReader(fs))
{
for (int i = 0; i < count; i++)
{
aoi[i] = br.ReadInt32();
}
}
}
ILayer lyr = canvas.LayerContainer.GetByName("蒙板层");
if (lyr == null)
{
lyr = new MaskLayer();
canvas.LayerContainer.Layers.Add(lyr);
}
IMaskLayer maskLayer = lyr as IMaskLayer;
maskLayer.Update(Color.White, drawing.Size, drawing.OriginalEnvelope.Clone(), false, aoi);
}
private void TryUpdateMaskLayer(ICanvasViewer cv, int[] aoi)
{
ILayer lyr = cv.Canvas.LayerContainer.GetByName("蒙板层");
if (lyr == null)
{
lyr = new MaskLayer();
cv.Canvas.LayerContainer.Layers.Add(lyr);
}
IMaskLayer maskLayer = lyr as IMaskLayer;
IRasterDrawing drawing = cv.ActiveObject as IRasterDrawing;
if (drawing == null)
{
return;
}
CoordEnvelope coordEnvelope = drawing.OriginalEnvelope.Clone();
Size rasterSize = drawing.Size;
maskLayer.Update(Color.Black, rasterSize, coordEnvelope, false, aoi);
cv.Canvas.Refresh(enumRefreshType.All);
}
private void TryApplyCustom(ICanvas canvas, Size size, string subIdentify,
GeoDo.RSS.Core.DrawEngine.CoordEnvelope viewPrjEvp,
GeoDo.RSS.Core.DF.CoordEnvelope viewGeoEvp, float resolution)
{
if (canvas == null)
{
return;
}
if (string.IsNullOrEmpty(subIdentify))
{
return;
}
if (subIdentify != "CMED")
{
return;
}
string name = null;
int[] aoi = null;
GetAOIArgument(size, viewGeoEvp, resolution, out name, out aoi);
if (name == null || aoi == null || aoi.Length == 0)
{
return;
}
_extInfos = "_";
_extInfos = _extInfos + name;
ILayer lry = canvas.LayerContainer.GetByName("蒙板层");
if (lry == null)
{
lry = new MaskLayer();
canvas.LayerContainer.Layers.Add(lry);
}
IMaskLayer mask = lry as IMaskLayer;
mask.Update(Color.White, size, viewPrjEvp, false, aoi);
}