private void documentControl1_AfterPaintPage(object sender, ItopVector.Core.PaintMapEventArgs e)
{
(mapview as MapViewBase).ShowMapInfo = true;
int nScale = 0;
float nn = 1;
nScale = mapview.Getlevel(documentControl1.ScaleRatio);
//if(isIn)
//nScale = mapview.Getlevel(documentControl1.ScaleRatio, out nn);
//else
//nScale = mapview.Getlevel2(documentControl1.ScaleRatio, out nn);
if (nScale == -1)
{
return;
}
LongLat longlat = LongLat.Empty;
//计算中心点经纬度
longlat = mapview.OffSet(mapview.ZeroLongLat, nScale, (int)(e.CenterPoint.X / nn), (int)(e.CenterPoint.Y / nn));
//创建地图
System.Drawing.Image image = backbmp;
//if (image != null && isdown) { } else
if (nn >= 1)
{
//for (double i=-0.1;i<=0.1;i=i+0.01)
//{
// for (double j = -0.1; j <= 0.1; j = j + 0.01)
// {
// image = mapview.CreateMap(e.Bounds.Width, e.Bounds.Height, nScale, longlat.Longitude + i, longlat.Latitude+j);
// }
//}
//image = mapview.CreateMap(1000, 1000, nScale, longlat.Longitude, longlat.Latitude);
image = mapview.CreateMap(e.Bounds.Width, e.Bounds.Height, nScale, longlat.Longitude, longlat.Latitude);
}
else
{
image = mapview.CreateMap((int)(e.Bounds.Width / nn), (int)(e.Bounds.Height / nn), nScale, longlat.Longitude, longlat.Latitude);
}
//backbmp = image;
ImageAttributes imageAttributes = new ImageAttributes();
ColorMatrix matrix1 = new ColorMatrix();
matrix1.Matrix00 = 1f;
matrix1.Matrix11 = 1f;
matrix1.Matrix22 = 1f;
matrix1.Matrix33 = 0.9f; //地图透明度
matrix1.Matrix44 = 1f;
//设置地图透明度
imageAttributes.SetColorMatrix(matrix1, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
//int offx = 0;
//int offy = 0;
//if (isdown) {
// offx = Control.MousePosition.X - beginPoint.X;
// offy = Control.MousePosition.Y - beginPoint.Y;
//}
//e.G.TranslateTransform(offx, offy, MatrixOrder.Append);
//绘制地图
if (nn > 1)
{
int w1 = (int)(e.Bounds.Width * ((nn - 1) / 2));
int h1 = (int)(e.Bounds.Height * ((nn - 1) / 2));
Rectangle rt1 = e.Bounds;
rt1.Inflate(w1, h1);
e.G.CompositingQuality = CompositingQuality.HighQuality;
e.G.DrawImage((Bitmap)image, rt1, 0f, 0f, (float)image.Width, (float)image.Height, GraphicsUnit.Pixel, imageAttributes);
}
else
{
e.G.DrawImage((Bitmap)image, e.Bounds, 0f, 0f, (float)image.Width, (float)image.Height, GraphicsUnit.Pixel, imageAttributes);
}
SolidBrush brush = new SolidBrush(Color.FromArgb(220, 75, 75, 75));
//e.G.FillRectangle( brush,e.G.VisibleClipBounds);
//绘制中心点
e.G.DrawEllipse(Pens.Red, e.Bounds.Width / 2 - 2, e.Bounds.Height / 2 - 2, 4, 4);
e.G.DrawEllipse(Pens.Red, e.Bounds.Width / 2 - 1, e.Bounds.Height / 2 - 1, 2, 2);
///107,159
{ //绘制比例尺
Point p1 = new Point(20, e.Bounds.Height - 30);
Point p2 = new Point(20, e.Bounds.Height - 20);
Point p3 = new Point(80, e.Bounds.Height - 20);
Point p4 = new Point(80, e.Bounds.Height - 30);
e.G.DrawLines(new Pen(Color.Black, 2), new Point[4] {
p1, p2, p3, p4
});
string str1 = string.Format("{0}公里", mapview.GetMiles(nScale));
e.G.DrawString(str1, new Font("宋体", 10), Brushes.Black, 30, e.Bounds.Height - 40);
}
// string s = string.Format("{0}行{1}列", nRows, nCols);
string s = string.Format("经{0}：纬{1}", longlat.Longitude, longlat.Latitude);
// //显示中心点经纬度
e.G.DrawString(s, new Font("宋体", 10), Brushes.Red, 20, 40);
// IntPtr hDC = e.G.GetHdc();
//
//
// LOGBRUSH brush;
// brush.lbColor = 255;
// brush.lbHatch = 10;
// brush.lbStyle = 1;//BS_NULL
// IntPtr hBursh = CreateBrushIndirect(ref brush);
// IntPtr hPen = CreatePen(2, 1, 255);
// IntPtr nOldPen = SelectObject(hDC, hPen);
// IntPtr nOldBrush = SelectObject(hDC, hBursh);
// SetROP2(hDC,10);
// Rectangle((int)hDC, 100, 100, 50, 50);
//// SetROP2(hDC,10);
// Rectangle((int)hDC, 150, 150, 50, 50);
//
// SelectObject(hDC, nOldPen);
// SelectObject(hDC, nOldBrush);
// e.G.ReleaseHdc(hDC);
}
private void tlVectorControl1_AfterPaintPage(object sender, ItopVector.Core.PaintMapEventArgs e)
{
int nScale = 0;
switch ((int)(this.tlVectorControl1.DrawArea.ScaleUnit * 1000))
{
case 100:
nScale = 8;
break;
case 200:
nScale = 9;
break;
case 400:
nScale = 10;
break;
case 1000:
nScale = 11;
break;
case 2000:
nScale = 12;
break;
case 4000:
nScale = 13;
break;
default:
return;
}
LongLat longlat = LongLat.Empty;
//计算中心点经纬度
int offsetY = (nScale - 10) * 25;
longlat = mapview.OffSet(mapview.ZeroLongLat, nScale, -(int)(e.CenterPoint.X), -(int)(e.CenterPoint.Y));
//创建地图
System.Drawing.Image image = mapview.CreateMap(e.Bounds.Width, e.Bounds.Height, nScale, longlat.Longitude, longlat.Latitude);
ImageAttributes imageAttributes = new ImageAttributes();
ColorMatrix matrix1 = new ColorMatrix();
matrix1.Matrix00 = 1f;
matrix1.Matrix11 = 1f;
matrix1.Matrix22 = 1f;
matrix1.Matrix33 = 0.9f; //地图透明度
matrix1.Matrix44 = 1f;
//设置地图透明度
imageAttributes.SetColorMatrix(matrix1, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
//绘制地图
e.G.DrawImage((Bitmap)image, e.Bounds, 0f, 0f, (float)image.Width, (float)image.Height, GraphicsUnit.Pixel, imageAttributes);
//绘制中心点
e.G.DrawEllipse(Pens.Red, e.Bounds.Width / 2 - 2, e.Bounds.Height / 2 - 2, 4, 4);
e.G.DrawEllipse(Pens.Red, e.Bounds.Width / 2 - 1, e.Bounds.Height / 2 - 1, 2, 2);
{ //绘制比例尺
Point p1 = new Point(20, e.Bounds.Height - 30);
Point p2 = new Point(20, e.Bounds.Height - 20);
Point p3 = new Point(80, e.Bounds.Height - 20);
Point p4 = new Point(80, e.Bounds.Height - 30);
e.G.DrawLines(new Pen(Color.Black, 2), new Point[4] {
p1, p2, p3, p4
});
string str1 = string.Format("{0}公里", mapview.GetMiles(nScale));
e.G.DrawString(str1, new Font("宋体", 10), Brushes.Black, 30, e.Bounds.Height - 40);
}
// string s = string.Format("{0}行{1}列", nRows, nCols);
string s = string.Format("经{0}：纬{1}", longlat.Longitude, longlat.Latitude);
// //显示中心点经纬度
e.G.DrawString(s, new Font("宋体", 10), Brushes.Red, 20, 40);
}