private void DrawRulerBar(ICanvas canvas, IDrawArgs drawArgs)
{
if (canvas == null)
{
return;
}
IPrimaryDrawObject primaryObj = canvas.PrimaryDrawObject;
if (primaryObj == null)
{
return;
}
CoordEnvelope evp = primaryObj.OriginalEnvelope.Clone();
double x1 = evp.MinX, y1 = evp.MaxY, x2 = evp.MaxX, y2 = evp.MaxY;
canvas.CoordTransform.QuickTransform.Transform(ref x1, ref y1);
canvas.CoordTransform.QuickTransform.Transform(ref x2, ref y2);
//
Graphics g = drawArgs.Graphics as Graphics;
using (Pen p = new Pen(Brushes.Red, 10))
{
//g.DrawLine(p, (int)x1, (int)y1, (int)x2, (int)y2);
g.DrawLine(p, (int)x1, 0, (int)x2, 0);
}
}
private static Envelope PrjToGeoEnv(IPrimaryDrawObject priObj, CoordEnvelope coordEnvelope)
{
double geoMinX, geoMinY, geoMaxX, geoMaxY;
priObj.Prj2Geo(coordEnvelope.MinX, coordEnvelope.MaxY, out geoMinX, out geoMaxY);
priObj.Prj2Geo(coordEnvelope.MaxX, coordEnvelope.MinY, out geoMaxX, out geoMinY);
return(new Envelope(Math.Min(geoMinX, geoMaxX), Math.Min(geoMinY, geoMaxY),
Math.Max(geoMinX, geoMaxX), Math.Max(geoMinY, geoMaxY)));
}
public void Render(object sender, IDrawArgs drawArgs)
{
ICanvas canvas = sender as ICanvas;
if (canvas.PrimaryDrawObject == null || canvas.IsReverseDirection)
{
return;
}
Graphics g = drawArgs.Graphics as Graphics;
IPrimaryDrawObject primaryObj = canvas.PrimaryDrawObject;
int rasterWidth = primaryObj.Size.Width;
int rasterHeight = primaryObj.Size.Height;
DrawBarsAndRulers(rasterWidth, rasterHeight, g, canvas);
}
private void GetSpatialRefEnvelope(out ContourLine.ContourEnvelope envelope, out string spatialRef)
{
envelope = null;
spatialRef = null;
if (_canvas == null || _canvas.PrimaryDrawObject == null)
{
return;
}
IPrimaryDrawObject primaryObj = _canvas.PrimaryDrawObject;
envelope = new ContourLine.ContourEnvelope(
(float)primaryObj.OriginalEnvelope.MinX,
(float)primaryObj.OriginalEnvelope.MaxX,
(float)primaryObj.OriginalEnvelope.MinY,
(float)primaryObj.OriginalEnvelope.MaxY);
spatialRef = primaryObj.SpatialRef;
}
public static Bitmap GetBitmapUseOriResolution(this ICanvas canvas)
{
IVectorHostLayer hostLayer = canvas.LayerContainer.VectorHost;
if (hostLayer == null)
{
return(null);
}
IMapRuntime runtime = hostLayer.MapRuntime as IMapRuntime;
if (runtime == null)
{
return(null);
}
IPrimaryDrawObject priObj = canvas.PrimaryDrawObject;
Color oBackcolor = runtime.Map.MapArguments.BackColor;
try
{
Image bitmap = new Bitmap(priObj.Size.Width, priObj.Size.Height, PixelFormat.Format32bppArgb);
runtime.Map.MapArguments.BackColor = Color.Transparent;
Envelope imageGeoEnv = PrjToGeoEnv(priObj, priObj.OriginalEnvelope.Clone());
MapImageGeneratorDefault map = new MapImageGeneratorDefault(runtime);
runtime.Host = map as CodeCell.AgileMap.Core.IMapRuntimeHost;
map.GetMapImage(map.GeoEnvelope2Viewport(imageGeoEnv), new Size(priObj.Size.Width, priObj.Size.Height), ref bitmap);
return(bitmap as Bitmap);
}
finally
{
runtime.Host = hostLayer as CodeCell.AgileMap.Core.IMapRuntimeHost;
runtime.Map.MapArguments.BackColor = oBackcolor;
}
//IRenderLayer renderLayer = layer as IRenderLayer;//GeoGridLayer
//if (filter(layer) && renderLayer.Visible)
//{
// renderLayer.Render(this, drawArgs);
//}
}
