private void Vector2Bitmap(ShapePolygon shapePolygon)
{
//矢量转成位图
Dictionary <ShapePolygon, Color> vectors = new Dictionary <ShapePolygon, Color>();
vectors.Add(shapePolygon, Color.Red);
IVector2BitmapConverter c = new Vector2BitmapConverter();
int width = (int)(shapePolygon.Envelope.Width / 0.1f);
int height = (int)(shapePolygon.Envelope.Height / 0.1f);
Size size = new System.Drawing.Size(width, height);
Bitmap buffer = new Bitmap(size.Width, size.Height, PixelFormat.Format24bppRgb);
c.ToBitmap(vectors, Color.White, shapePolygon.Envelope, size, ref buffer);
buffer.Save("f:\\1.bmp", ImageFormat.Bmp);
//位图转成栅格索引
Bitmap2RasterConverter b2r = new Bitmap2RasterConverter();
int[] idxs = b2r.ToRaster(buffer, Color.Red);
//栅格索引转成位图
BinaryBitmapBuilder b = new BinaryBitmapBuilder();
buffer = b.CreateBinaryBitmap(size, Color.Red, Color.White);
b.Fill(idxs, size, ref buffer);
buffer.Save("f:\\2.bmp", ImageFormat.Bmp);
}
private static Bitmap VectorsToBitmap(IRasterDataProvider prd, CodeCell.AgileMap.Core.Feature[] features, string shpPrimaryField, out Dictionary <string, Color> nameColors)
{
using (IVector2BitmapConverter c = new Vector2BitmapConverter())
{
Dictionary <ShapePolygon, Color> vectors = GetVectorColors(features, shpPrimaryField, out nameColors);
Bitmap bmp = new Bitmap(prd.Width, prd.Height, PixelFormat.Format24bppRgb);
Envelope envelop = GetEnvelop(prd);
c.ToBitmap(vectors, Color.Black, envelop, new Size(prd.Width, prd.Height), ref bmp);
return(bmp);
}
}
