private bool calcPolygon()
{
if (!InitReader())
{
return(false);
}
TFWFile tfw = this.GeoCoord as TFWFile;
if (tfw == null)
{
return(false);
}
int iWidth = _geoCoord.iWidth;
int iHeight = _geoCoord.iHeight;
_polygon = new Polygon();
Ring ring = new Ring();
gView.Framework.Geometry.Point p1 = new gView.Framework.Geometry.Point(
tfw.X - tfw.dx_X / 2.0 - tfw.dy_X / 2.0,
tfw.Y - tfw.dx_Y / 2.0 - tfw.dy_Y / 2.0);
ring.AddPoint(p1);
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + tfw.dx_X * iWidth, p1.Y + tfw.dx_Y * iWidth));
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + tfw.dx_X * iWidth + tfw.dy_X * iHeight, p1.Y + tfw.dx_Y * iWidth + tfw.dy_Y * iHeight));
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + tfw.dy_X * iHeight, p1.Y + tfw.dy_Y * iHeight));
_polygon.AddRing(ring);
return(true);
}
private void calcPolygon()
{
_polygon = new Polygon();
Ring ring = new Ring();
gView.Framework.Geometry.Point p1 = new gView.Framework.Geometry.Point(
_tfw.X - _tfw.dx_X / 2.0 - _tfw.dy_X / 2.0,
_tfw.Y - _tfw.dx_Y / 2.0 - _tfw.dy_Y / 2.0);
ring.AddPoint(p1);
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + _tfw.dx_X * _iWidth, p1.Y + _tfw.dx_Y * _iWidth));
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + _tfw.dx_X * _iWidth + _tfw.dy_X * _iHeight, p1.Y + _tfw.dx_Y * _iWidth + _tfw.dy_Y * _iHeight));
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + _tfw.dy_X * _iHeight, p1.Y + _tfw.dy_Y * _iHeight));
_polygon.AddRing(ring);
}
public Polygon CreatePolygon(int width, int height)
{
Polygon polygon = new Polygon();
Ring ring = new Ring();
gView.Framework.Geometry.Point p1 = new gView.Framework.Geometry.Point(
X - dx_X / 2.0 - dy_X / 2.0,
Y - dx_Y / 2.0 - dy_Y / 2.0);
ring.AddPoint(p1);
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + dx_X * width, p1.Y + dx_Y * width));
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + dx_X * width + dy_X * height, p1.Y + dx_Y * width + dy_Y * height));
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + dy_X * height, p1.Y + dy_Y * height));
polygon.AddRing(ring);
return(polygon);
}
public Polygon CreatePolygon()
{
Polygon polygon = new Polygon();
Ring ring = new Ring();
gView.Framework.Geometry.Point p1 = new gView.Framework.Geometry.Point(
X - dx1 / 2.0 - dy1 / 2.0,
Y - dx2 / 2.0 - dy2 / 2.0);
ring.AddPoint(p1);
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + dx1 * iWidth, p1.Y + dx2 * iWidth));
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + dx1 * iWidth + dy1 * iHeight, p1.Y + dx2 * iWidth + dy2 * iHeight));
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + dy1 * iHeight, p1.Y + dy2 * iHeight));
polygon.AddRing(ring);
return(polygon);
}
private static IGeometry GeometryFromSymbol(ISymbol symbol, IEnvelope env)
{
IGeometry geometry = null;
if (symbol is ISymbolCollection)
{
if (((ISymbolCollection)symbol).Symbols.Count > 0)
{
geometry = GeometryFromSymbol(((ISymbolCollection)symbol).Symbols[0].Symbol, env);
}
}
else if (symbol is IPointSymbol || symbol is ITextSymbol)
{
geometry = new gView.Framework.Geometry.Point((env.minx + env.maxx) / 2, Math.Abs(env.miny - env.maxy) / 2);
}
else if (symbol is ILineSymbol)
{
IPoint p1 = new gView.Framework.Geometry.Point(env.minx + 5, Math.Abs(env.miny - env.maxy) / 2);
IPoint p2 = new gView.Framework.Geometry.Point(env.maxx - 5, Math.Abs(env.miny - env.maxy) / 2);
IPath path = new Path();
path.AddPoint(p1);
path.AddPoint(p2);
IPolyline line = new Polyline();
line.AddPath(path);
geometry = line;
}
else if (symbol is IFillSymbol)
{
IPoint p1 = new gView.Framework.Geometry.Point(env.minx + 5, 5);
IPoint p2 = new gView.Framework.Geometry.Point(env.maxx - 5, 5);
IPoint p3 = new gView.Framework.Geometry.Point(env.maxx - 5, Math.Abs(env.miny - env.maxy) - 5);
IPoint p4 = new gView.Framework.Geometry.Point(env.minx + 5, Math.Abs(env.miny - env.maxy) - 5);
IRing ring = new Ring();
ring.AddPoint(p1);
ring.AddPoint(p2);
ring.AddPoint(p3);
ring.AddPoint(p4);
IPolygon polygon = new Polygon();
polygon.AddRing(ring);
geometry = polygon;
}
return(geometry);
}
public void Draw(IDisplay display, IGeometry geometry)
{
if (display != null && geometry is IPoint)
{
double x = ((IPoint)geometry).X;
double y = ((IPoint)geometry).Y;
display.World2Image(ref x, ref y);
IPoint p = new gView.Framework.Geometry.Point(x, y);
DrawPoint(display, p);
}
else if (geometry is IMultiPoint)
{
for (int i = 0, to = ((IMultiPoint)geometry).PointCount; i < to; i++)
{
IPoint p = ((IMultiPoint)geometry)[i];
Draw(display, p);
}
}
}
private void SetBounds(GraphicsEngine.Abstraction.IBitmap bitmap)
{
if (bitmap != null)
{
_iWidth = bitmap.Width;
_iHeight = bitmap.Height;
}
_polygon = new Polygon();
Ring ring = new Ring();
gView.Framework.Geometry.Point p1 = new gView.Framework.Geometry.Point(
_tfw.X - _tfw.dx_X / 2.0 - _tfw.dy_X / 2.0,
_tfw.Y - _tfw.dx_Y / 2.0 - _tfw.dy_Y / 2.0);
ring.AddPoint(p1);
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + _tfw.dx_X * _iWidth, p1.Y + _tfw.dx_Y * _iWidth));
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + _tfw.dx_X * _iWidth + _tfw.dy_X * _iHeight, p1.Y + _tfw.dx_Y * _iWidth + _tfw.dy_Y * _iHeight));
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + _tfw.dy_X * _iHeight, p1.Y + _tfw.dy_Y * _iHeight));
_polygon.AddRing(ring);
}
private void setBounds(Image image)
{
if (image != null)
{
_iWidth = image.Width;
_iHeight = image.Height;
}
_polygon = new Polygon();
Ring ring = new Ring();
gView.Framework.Geometry.Point p1 = new gView.Framework.Geometry.Point(
_tfw.X - _tfw.dx_X / 2.0 - _tfw.dy_X / 2.0,
_tfw.Y - _tfw.dx_Y / 2.0 - _tfw.dy_Y / 2.0);
ring.AddPoint(p1);
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + _tfw.dx_X * _iWidth, p1.Y + _tfw.dx_Y * _iWidth));
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + _tfw.dx_X * _iWidth + _tfw.dy_X * _iHeight, p1.Y + _tfw.dx_Y * _iWidth + _tfw.dy_Y * _iHeight));
ring.AddPoint(new gView.Framework.Geometry.Point(p1.X + _tfw.dy_X * _iHeight, p1.Y + _tfw.dy_Y * _iHeight));
_polygon.AddRing(ring);
}
public void BeginPaint(gView.Framework.Carto.IDisplay display, ICancelTracker cancelTracker)
{
EndPaint(cancelTracker);
try
{
if (!(_polygon is ITopologicalOperation))
{
return;
}
TFWFile tfw = this.WorldFile as TFWFile;
if (tfw == null)
{
return;
}
IEnvelope dispEnvelope = display.DisplayTransformation.TransformedBounds(display); //display.Envelope;
if (display.GeometricTransformer != null)
{
dispEnvelope = (IEnvelope)((IGeometry)display.GeometricTransformer.InvTransform2D(dispEnvelope)).Envelope;
}
IGeometry clipped;
((ITopologicalOperation)_polygon).Clip(dispEnvelope, out clipped);
if (!(clipped is IPolygon))
{
return;
}
IPolygon cPolygon = (IPolygon)clipped;
// geclipptes Polygon transformieren -> Bild
vector2[] vecs = new vector2[cPolygon[0].PointCount];
for (int i = 0; i < cPolygon[0].PointCount; i++)
{
vecs[i] = new vector2(cPolygon[0][i].X, cPolygon[0][i].Y);
}
if (!tfw.ProjectInv(vecs))
{
return;
}
IEnvelope picEnv = vector2.IntegerEnvelope(vecs);
picEnv.minx = Math.Max(0, picEnv.minx);
picEnv.miny = Math.Max(0, picEnv.miny);
picEnv.maxx = Math.Min(picEnv.maxx, _iWidth);
picEnv.maxy = Math.Min(picEnv.maxy, _iHeight);
// Ecken zurücktransformieren -> Welt
vecs = new vector2[3];
vecs[0] = new vector2(picEnv.minx, picEnv.miny);
vecs[1] = new vector2(picEnv.maxx, picEnv.miny);
vecs[2] = new vector2(picEnv.minx, picEnv.maxy);
tfw.Project(vecs);
_p1 = new gView.Framework.Geometry.Point(vecs[0].x, vecs[0].y);
_p2 = new gView.Framework.Geometry.Point(vecs[1].x, vecs[1].y);
_p3 = new gView.Framework.Geometry.Point(vecs[2].x, vecs[2].y);
double pix = display.mapScale / (display.dpi / 0.0254); // [m]
double c1 = Math.Sqrt(_tfw.dx_X * _tfw.dx_X + _tfw.dx_Y * _tfw.dx_Y);
double c2 = Math.Sqrt(_tfw.dy_Y * _tfw.dy_Y + _tfw.dy_X * _tfw.dy_X);
double mag = Math.Min(c1, c2) / pix;
if (mag > 1.0)
{
mag = 1.0;
}
int x = (int)(picEnv.minx);
int y = (int)(picEnv.miny);
int wWidth = (int)(picEnv.Width);
int wHeight = (int)(picEnv.Height);
//if (wWidth + x > _iWidth) wWidth = _iWidth - x;
//if (wHeight + y > _iHeight) wHeight = _iHeight - y;
int iWidth = (int)(wWidth * mag);
int iHeight = (int)(wHeight * mag);
switch (_type)
{
case RasterType.image:
PaintImage(x, y, wWidth, wHeight, iWidth, iHeight, cancelTracker);
break;
case RasterType.wavelet:
PaintWavelet(x, y, wWidth, wHeight, iWidth, iHeight, cancelTracker);
break;
case RasterType.grid:
if (_renderRawGridValues)
{
PaintGrid(x, y, wWidth, wHeight, iWidth, iHeight);
}
else
{
PaintHillShade(x, y, wWidth, wHeight, iWidth, iHeight, mag, cancelTracker);
}
break;
}
}
catch (Exception ex)
{
string errMsg = ex.Message;
EndPaint(cancelTracker);
}
finally
{
}
}
async public override Task <IFeature> NextFeature()
{
try
{
while (true)
{
if (_reader == null)
{
return(null);
}
if (!await _reader.ReadAsync())
{
await ExecuteReaderAsync();
//return NextFeature;
continue;
}
bool nextFeature = false;
Feature feature = new Feature();
for (int i = 0; i < _reader.FieldCount; i++)
{
string name = _reader.GetName(i);
object obj = null;
try
{
obj = _reader.GetValue(i);
}
catch { }
if (/*_schemaTable.Rows[i][0].ToString()*/ name == "FDB_SHAPE" && obj != DBNull.Value)
{
BinaryReader r = new BinaryReader(new MemoryStream());
r.BaseStream.Write((byte[])obj, 0, ((byte[])obj).Length);
r.BaseStream.Position = 0;
IGeometry p = null;
switch (_geomDef.GeometryType)
{
case geometryType.Point:
p = new gView.Framework.Geometry.Point();
break;
case geometryType.Polyline:
p = new gView.Framework.Geometry.Polyline();
break;
case geometryType.Polygon:
p = new gView.Framework.Geometry.Polygon();
break;
}
if (p != null)
{
p.Deserialize(r, _geomDef);
r.Close();
/*
* if(_queryEnvelope!=null)
* {
* if(!_queryEnvelope.Intersects(p.Envelope))
* return NextFeature;
* if (_queryGeometry is IEnvelope)
* {
* if (!Algorithm.InBox(p, (IEnvelope)_queryGeometry))
* return NextFeature;
* }
* }
*/
if (_spatialFilter != null)
{
if (!gView.Framework.Geometry.SpatialRelation.Check(_spatialFilter, p))
{
nextFeature = true;
break;
}
}
feature.Shape = p;
}
}
else
{
FieldValue fv = new FieldValue(/*_schemaTable.Rows[i][0].ToString()*/ name, obj);
feature.Fields.Add(fv);
if (fv.Name == "FDB_OID")
{
feature.OID = Convert.ToInt32(obj);
}
}
}
if (nextFeature == true)
{
continue;
}
Transform(feature);
return(feature);
}
}
catch (Exception ex)
{
Dispose();
throw (ex);
//return null;
}
}
public void Draw(IDisplay display, IGeometry geometry, TextSymbolAlignment symbolAlignment)
{
if (_font == null)
{
return;
}
if (geometry is IPoint)
{
#region IPoint
double x = ((IPoint)geometry).X;
double y = ((IPoint)geometry).Y;
display.World2Image(ref x, ref y);
IPoint p = new gView.Framework.Geometry.Point(x, y);
DrawAtPoint(display, p, _text, 0, StringFormatFromAlignment(symbolAlignment));
#endregion
}
if (geometry is IMultiPoint)
{
#region IMultiPoint
IMultiPoint pColl = (IMultiPoint)geometry;
for (int i = 0; i < pColl.PointCount; i++)
{
double x = pColl[i].X;
double y = pColl[i].Y;
display.World2Image(ref x, ref y);
IPoint p = new gView.Framework.Geometry.Point(x, y);
DrawAtPoint(display, p, _text, 0, StringFormatFromAlignment(symbolAlignment));
}
#endregion
}
else if (geometry is IDisplayPath && ((IDisplayPath)geometry).AnnotationPolygonCollision is AnnotationPolygonCollection)
{
if (String.IsNullOrEmpty(_text))
{
return;
}
IDisplayPath path = (IDisplayPath)geometry;
AnnotationPolygonCollection apc = path.AnnotationPolygonCollision as AnnotationPolygonCollection;
var format = StringFormatFromAlignment(symbolAlignment);
format.LineAlignment = StringAlignment.Center;
format.Alignment = StringAlignment.Center;
if (_text.Length == apc.Count)
{
int drawingLevels = this.DrawingLevels; // Für Blockout und Glowing Text -> Zuerst den Blockout für alle Zeichen...
for (int level = 0; level < drawingLevels; level++)
{
for (int i = 0; i < _text.Length; i++)
{
AnnotationPolygon ap = apc[i] as AnnotationPolygon;
if (ap != null)
{
var centerPoint = ap.CenterPoint;
DrawAtPoint(display, new Geometry.Point(centerPoint.X, centerPoint.Y), _text[i].ToString(), (float)ap.Angle, format, level);
}
}
}
}
#region Old Method
/*
#region Text On Path
* StringFormat format = stringFormatFromAlignment;
* DisplayCharacterRanges ranges = new DisplayCharacterRanges(display.GraphicsContext, _font, format, _text);
*
* double sizeW = ranges.Width;
* double len = path.Length;
* double stat0 = len / 2 - sizeW / 2, stat1 = stat0 + sizeW;
* if (stat0 < 0) return;
*
#region Richtung des Textes
* Geometry.Point p1_ = SpatialAlgorithms.Algorithm.DisplayPathPoint(path, stat0);
* Geometry.Point p2_ = SpatialAlgorithms.Algorithm.DisplayPathPoint(path, stat1);
* if (p1_ == null || p2_ == null)
* return;
* if (p1_.X > p2_.X)
* {
#region Swap Path Direction
* path.ChangeDirection();
#endregion
* }
#endregion
*
* AnnotationPolygonCollection charPolygons = new AnnotationPolygonCollection();
* double x, y, angle;
*
* for (int i = 0; i < _text.Length; i++)
* {
* RectangleF cSize = ranges[i];
* Geometry.Point p1, p2;
* while (true)
* {
* p1 = SpatialAlgorithms.Algorithm.DisplayPathPoint(path, stat0);
* p2 = SpatialAlgorithms.Algorithm.DisplayPathPoint(path, stat0 + cSize.Width);
* if (p1 == null || p2 == null)
* return;
*
* angle = Math.Atan2(p2.Y - p1.Y, p2.X - p1.X) * 180.0 / Math.PI;
*
* x = p1.X; y = p1.Y;
* AnnotationPolygon polygon = null;
* switch (format.LineAlignment)
* {
* case StringAlignment.Near:
* polygon = new Symbology.AnnotationPolygon((float)x + .1f * cSize.Width, (float)y + .2f * cSize.Height,
* .8f * cSize.Width, .6f * cSize.Height);
* break;
* case StringAlignment.Far:
* polygon = new Symbology.AnnotationPolygon((float)x + .1f * cSize.Width, (float)y - .8f * cSize.Height,
* .8f * cSize.Width, .6f * cSize.Height);
* break;
* default:
* polygon = new Symbology.AnnotationPolygon((float)x + .1f * cSize.Width, (float)y - .6f * cSize.Height / 2f,
* .8f * cSize.Width, .6f * cSize.Height);
* break;
* }
* polygon.Rotate((float)x, (float)y, Angle + angle);
* if (charPolygons.CheckCollision(polygon))
* {
* stat0 += cSize.Width / 10.0;
* continue;
* }
* charPolygons.Add(polygon);
*
* //using (System.Drawing.Drawing2D.GraphicsPath grpath = new System.Drawing.Drawing2D.GraphicsPath())
* //{
* // grpath.StartFigure();
* // grpath.AddLine(polygon[0], polygon[1]);
* // grpath.AddLine(polygon[1], polygon[2]);
* // grpath.AddLine(polygon[2], polygon[3]);
* // grpath.CloseFigure();
*
* // display.GraphicsContext.FillPath(Brushes.Aqua, grpath);
* //}
*
* break;
* }
*
* if (format.Alignment == StringAlignment.Center)
* {
* x = p1.X * 0.5 + p2.X * 0.5;
* y = p1.Y * 0.5 + p2.Y * 0.5;
* }
* else if (format.Alignment == StringAlignment.Far)
* {
* x = p2.X;
* y = p2.Y;
* }
* else
* {
* x = p1.X;
* y = p1.Y;
* }
* DrawAtPoint(display, new Geometry.Point(x, y), _text[i].ToString(), (float)angle, format);
*
* stat0 += (double)cSize.Width;
* }
* //display.GraphicsContext.FillEllipse(Brushes.Green, (float)p1_.X - 3, (float)p1_.Y - 3, 6f, 6f);
* //display.GraphicsContext.FillEllipse(Brushes.Blue, (float)p2_.X - 3, (float)p2_.Y - 3, 6f, 6f);
#endregion
* */
#endregion
}
else if (geometry is IPolyline)
{
IPolyline pLine = (IPolyline)geometry;
for (int iPath = 0; iPath < pLine.PathCount; iPath++)
{
IPath path = pLine[iPath];
if (path.PointCount == 0)
{
continue;
}
#region Parallel Text
IPoint p1 = path[0], p2;
for (int iPoint = 1; iPoint < path.PointCount; iPoint++)
{
p2 = path[iPoint];
double angle = -Math.Atan2(p2.Y - p1.Y, p2.X - p1.X) * 180.0 / Math.PI;
if (display.DisplayTransformation.UseTransformation)
{
angle -= display.DisplayTransformation.DisplayRotation;
}
var format = StringFormatFromAlignment(symbolAlignment);
if (angle < 0)
{
angle += 360;
}
if (angle > 90 && angle < 270)
{
if (format.Alignment != StringAlignment.Center)
{
// swap points & alignment
var p_ = p1;
p1 = p2;
p2 = p_;
if (format.Alignment == StringAlignment.Far)
{
format.Alignment = StringAlignment.Near;
}
else if (format.Alignment == StringAlignment.Near)
{
format.Alignment = StringAlignment.Far;
}
}
angle -= 180;
}
double x, y;
if (format.Alignment == StringAlignment.Center)
{
x = p1.X * 0.5 + p2.X * 0.5;
y = p1.Y * 0.5 + p2.Y * 0.5;
}
else if (format.Alignment == StringAlignment.Far)
{
x = p2.X;
y = p2.Y;
}
else
{
x = p1.X;
y = p1.Y;
}
display.World2Image(ref x, ref y);
IPoint p = new gView.Framework.Geometry.Point(x, y);
//_text += " " + angle.ToString();
DrawAtPoint(display, p, _text, (float)angle, format);
p1 = p2;
}
#endregion
}
}
else if (geometry is IPolygon)
{
/*
* GraphicsPath path = DisplayOperations.Geometry2GraphicsPath(display, geometry);
*
* foreach (PointF point in gView.SpatialAlgorithms.Algorithm.LabelPoints(path))
* {
* DrawAtPoint(display, new gView.Framework.Geometry.Point(point.X, point.Y), 0, stringFormatFromAlignment);
* }
* */
}
else if (geometry is IAggregateGeometry)
{
for (int i = 0; i < ((IAggregateGeometry)geometry).GeometryCount; i++)
{
Draw(display, ((IAggregateGeometry)geometry)[i]);
}
}
}
public void BeginPaint(gView.Framework.Carto.IDisplay display, ICancelTracker cancelTracker)
{
IntPtr bufferData = (IntPtr)0;
BitmapData bitmapData = null;
double mag = 1f; // mag immer als float, läuft stabiler!!!
int x = 0;
int y = 0;
int iWidth = 0;
int iHeight = 0;
try
{
if (_reader == (IntPtr)0)
{
if (!InitReader())
{
return;
}
}
if (!(_polygon is ITopologicalOperation) || _reader == (IntPtr)0)
{
return;
}
TFWFile tfw = this.GeoCoord as TFWFile;
if (tfw == null)
{
return;
}
IEnvelope dispEnvelope = display.DisplayTransformation.TransformedBounds(display); //display.Envelope;
if (display.GeometricTransformer != null)
{
dispEnvelope = (IEnvelope)((IGeometry)display.GeometricTransformer.InvTransform2D(dispEnvelope)).Envelope;
}
IGeometry clipped;
((ITopologicalOperation)_polygon).Clip(dispEnvelope, out clipped);
if (!(clipped is IPolygon))
{
return;
}
IPolygon cPolygon = (IPolygon)clipped;
// geclipptes Polygon transformieren -> Bild
vector2[] vecs = new vector2[cPolygon[0].PointCount];
for (int i = 0; i < cPolygon[0].PointCount; i++)
{
vecs[i] = new vector2(cPolygon[0][i].X, cPolygon[0][i].Y);
}
if (!tfw.ProjectInv(vecs))
{
return;
}
IEnvelope picEnv = vector2.IntegerEnvelope(vecs);
picEnv.minx = Math.Max(0, picEnv.minx);
picEnv.miny = Math.Max(0, picEnv.miny);
picEnv.maxx = Math.Min(picEnv.maxx, _geoCoord.iWidth);
picEnv.maxy = Math.Min(picEnv.maxy, _geoCoord.iHeight);
// Ecken zurücktransformieren -> Welt
vecs = new vector2[3];
vecs[0] = new vector2(picEnv.minx, picEnv.miny);
vecs[1] = new vector2(picEnv.maxx, picEnv.miny);
vecs[2] = new vector2(picEnv.minx, picEnv.maxy);
tfw.Project(vecs);
_p1 = new gView.Framework.Geometry.Point(vecs[0].x, vecs[0].y);
_p2 = new gView.Framework.Geometry.Point(vecs[1].x, vecs[1].y);
_p3 = new gView.Framework.Geometry.Point(vecs[2].x, vecs[2].y);
double pix = display.mapScale / (display.dpi / 0.0254); // [m]
double c1 = Math.Sqrt(_geoCoord.xRes * _geoCoord.xRes + _geoCoord.xRot * _geoCoord.xRot);
double c2 = Math.Sqrt(_geoCoord.yRes * _geoCoord.yRes + _geoCoord.yRot * _geoCoord.yRot);
mag = Math.Round((Math.Min(c1, c2) / pix), 8);
// Immer in auf float runden! Läuft stabiler!!!
//mag = (float)mag; //1.03;
if (mag > 1f)
{
mag = 1f;
}
if (mag < _geoCoord.MinMagnification)
{
mag = (float)_geoCoord.MinMagnification;
}
x = (int)(picEnv.minx * mag);
y = (int)(picEnv.miny * mag);
iWidth = (int)((picEnv.Width - 1) * mag);
iHeight = (int)((picEnv.Height - 1) * mag);
bufferData = MrSidWrapper.Read(_reader, x, y, iWidth, iHeight, (double)mag);
if (bufferData == (IntPtr)0)
{
return;
}
int totalWidth = MrSidWrapper.GetTotalCols(bufferData);
int totalHeight = MrSidWrapper.GetTotalRows(bufferData);
if (_bm != null)
{
_bm.Dispose();
}
_bm = new Bitmap(totalWidth, totalHeight, PixelFormat.Format24bppRgb);
bitmapData = _bm.LockBits(new Rectangle(0, 0, totalWidth, totalHeight), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
Console.Write(bitmapData.Scan0);
MrSidWrapper.ReadBandData(bufferData, bitmapData.Scan0, (uint)3, (uint)bitmapData.Stride);
//_bm.Save(@"C:\temp\pic\" + Guid.NewGuid() + ".jpg", ImageFormat.Jpeg);
}
catch (Exception ex)
{
//string errMsg = ex.Message;
EndPaint(cancelTracker);
if (display is IServiceMap && ((IServiceMap)display).MapServer != null)
{
IMapServer mapServer = ((IServiceMap)display).MapServer;
mapServer.Log(
"RenderRasterLayerThread", loggingMethod.error,
ex.Message + "\n" + ex.Source + "\n" + ex.StackTrace + "\n" +
"filename=" + _filename + "\n" +
"x=" + x.ToString() + "\n" +
"y=" + y.ToString() + "\n" +
"iWidth=" + iWidth.ToString() + "\n" +
"iHeight=" + iHeight.ToString() + "\n" +
"mag=" + mag.ToString() + "\n");
}
else
{
throw ex;
}
}
finally
{
if (bitmapData != null)
{
_bm.UnlockBits(bitmapData);
}
MrSidWrapper.ReleaseBandData(bufferData);
ReleaseReader();
}
}
async public Task <IRasterPaintContext> BeginPaint(gView.Framework.Carto.IDisplay display, ICancelTracker cancelTracker)
{
IntPtr bufferData = (IntPtr)0;
GraphicsEngine.BitmapPixelData bitmapData = null;
double mag = 1f; // mag immer als float, läuft stabiler!!!
int x = 0;
int y = 0;
int iWidth = 0;
int iHeight = 0;
GraphicsEngine.Abstraction.IBitmap bitmap = null;
try
{
if (_reader == (IntPtr)0)
{
if (!InitReader())
{
return(null);
}
}
if (!(_polygon is ITopologicalOperation) || _reader == (IntPtr)0)
{
return(null);
}
TFWFile tfw = this.GeoCoord as TFWFile;
if (tfw == null)
{
return(null);
}
IEnvelope dispEnvelope = display.DisplayTransformation.TransformedBounds(display); //display.Envelope;
if (display.GeometricTransformer != null)
{
dispEnvelope = ((IGeometry)display.GeometricTransformer.InvTransform2D(dispEnvelope)).Envelope;
}
IGeometry clipped;
((ITopologicalOperation)_polygon).Clip(dispEnvelope, out clipped);
if (!(clipped is IPolygon))
{
return(null);
}
IPolygon cPolygon = (IPolygon)clipped;
if (cPolygon.RingCount == 0 || cPolygon[0].Area == 0D)
{
return(null);
}
// geclipptes Polygon transformieren -> Bild
vector2[] vecs = new vector2[cPolygon[0].PointCount];
for (int i = 0; i < cPolygon[0].PointCount; i++)
{
vecs[i] = new vector2(cPolygon[0][i].X, cPolygon[0][i].Y);
}
if (!tfw.ProjectInv(vecs))
{
return(null);
}
IEnvelope picEnv = vector2.IntegerEnvelope(vecs);
picEnv.minx = Math.Max(0, picEnv.minx);
picEnv.miny = Math.Max(0, picEnv.miny);
picEnv.maxx = Math.Min(picEnv.maxx, _geoCoord.iWidth);
picEnv.maxy = Math.Min(picEnv.maxy, _geoCoord.iHeight);
// Ecken zurücktransformieren -> Welt
vecs = new vector2[3];
vecs[0] = new vector2(picEnv.minx, picEnv.miny);
vecs[1] = new vector2(picEnv.maxx, picEnv.miny);
vecs[2] = new vector2(picEnv.minx, picEnv.maxy);
tfw.Project(vecs);
_p1 = new gView.Framework.Geometry.Point(vecs[0].x, vecs[0].y);
_p2 = new gView.Framework.Geometry.Point(vecs[1].x, vecs[1].y);
_p3 = new gView.Framework.Geometry.Point(vecs[2].x, vecs[2].y);
double pix = display.mapScale / (display.dpi / 0.0254); // [m]
double c1 = Math.Sqrt(_geoCoord.xRes * _geoCoord.xRes + _geoCoord.xRot * _geoCoord.xRot);
double c2 = Math.Sqrt(_geoCoord.yRes * _geoCoord.yRes + _geoCoord.yRot * _geoCoord.yRot);
mag = Math.Round((Math.Min(c1, c2) / pix), 8);
// Immer in auf float runden! Läuft stabiler!!!
//mag = (float)mag; //1.03;
if (mag > 1f)
{
mag = 1f;
}
if (mag < _geoCoord.MinMagnification)
{
mag = (float)_geoCoord.MinMagnification;
}
x = (int)(picEnv.minx * mag);
y = (int)(picEnv.miny * mag);
iWidth = (int)((picEnv.Width - 1) * mag);
iHeight = (int)((picEnv.Height - 1) * mag);
bufferData = MrSidWrapper.Read(_reader, x, y, iWidth, iHeight, mag);
if (bufferData == (IntPtr)0)
{
return(null);
}
int totalWidth = MrSidWrapper.GetTotalCols(bufferData);
int totalHeight = MrSidWrapper.GetTotalRows(bufferData);
bitmap = GraphicsEngine.Current.Engine.CreateBitmap(totalWidth, totalHeight, GraphicsEngine.PixelFormat.Rgb24);
bitmapData = bitmap.LockBitmapPixelData(GraphicsEngine.BitmapLockMode.WriteOnly, GraphicsEngine.PixelFormat.Rgb24);
MrSidWrapper.ReadBandData(bufferData, bitmapData.Scan0, 3, (uint)bitmapData.Stride);
return(new RasterPaintContext(bitmap));
}
catch (Exception ex)
{
//string errMsg = ex.Message;
if (display is IServiceMap && ((IServiceMap)display).MapServer != null)
{
IMapServer mapServer = ((IServiceMap)display).MapServer;
await mapServer.LogAsync(
((IServiceMap)display).Name,
"RenderRasterLayerThread", loggingMethod.error,
ex.Message + "\n" + ex.Source + "\n" + ex.StackTrace + "\n" +
"filename=" + _filename + "\n" +
"x=" + x.ToString() + "\n" +
"y=" + y.ToString() + "\n" +
"iWidth=" + iWidth.ToString() + "\n" +
"iHeight=" + iHeight.ToString() + "\n" +
"mag=" + mag.ToString() + "\n");
}
else
{
throw ex;
}
return(null);
}
finally
{
if (bitmapData != null)
{
bitmap.UnlockBitmapPixelData(bitmapData);
}
MrSidWrapper.ReleaseBandData(bufferData);
ReleaseReader();
}
}
