public Tile plot(iustc.map.data.Path[] paths, iustc.map.data.Rectangle rect, int level)
{
//Deployment.Current.Dispatcher.BeginInvoke(() =>
// {
Canvas bitmap = new Canvas();
bitmap.Width = size + 2;
bitmap.Height = size + 2;
bitmap.Background = defaultPaint.Fill;
RectangleGeometry clipRect = new RectangleGeometry();
clipRect.Rect = new System.Windows.Rect(0, 0, size + 2, size + 2);
bitmap.Clip = clipRect;
// Step 1: plot ground
plotNature(bitmap, paths, rect);
// Step 2: plot road border
plotRoadBorder(bitmap, paths, rect, level);
//Step 3: plot roads
plotRoad(bitmap, paths, rect, level);
// Step 4: plot building
plotBuilding(bitmap, paths, rect);
Tile tile = new Tile(rect.north, rect.west, bitmap);
//});
return tile;
}
public void put(string key, Tile[] value)
{
// lock ("myLock")
// {
try
{
//if (wSet.Remove(key))
//{
// if (!avail.ContainsKey(key))
// avail.Remove(key);
// avail.Add(key, value);
//}
cache.put(key, value);
}
finally
{
}
// }
// mainPage.testUI();
}
public void run()
{
while (_thread.IsAlive)
{
string quadkey = cm.takeKey();
if (quadkey == null)
break ;
iustc.map.data.Rectangle rect = Toolkit.getRectangle(quadkey);
QuadtreeEntry entry = dm.getEntry(quadkey);
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
Tile[] tiles = new Tile[entry.labels.Length + 1];
Point p;
if (MainPage.isoFile.FileExists("cache\\" + quadkey + ".jpg"))
{
MainPage.profiling("get from isoFile start");
using(MainPage.isoFileStream = MainPage.isoFile.OpenFile("cache\\" + quadkey + ".jpg", System.IO.FileMode.Open))
{
BitmapImage bm = new BitmapImage();
bm.SetSource(MainPage.isoFileStream);
Image img = new Image();
img.Source = bm;
Canvas canvas = new Canvas();
canvas.Children.Add(img);
tiles[0] = new Tile(rect.north, rect.west, canvas);
}
MainPage.profiling("get from isoFile end");
}
else
{
tiles[0] = mapPlotter.plot(entry.paths, rect, entry.zoomLevel());
using(MainPage.isoFileStream = MainPage.isoFile.OpenFile("cache\\" + quadkey + ".jpg", System.IO.FileMode.CreateNew))
{
WriteableBitmap wb = new WriteableBitmap(tiles[0].bitmap, null);
wb.SaveJpeg(MainPage.isoFileStream, wb.PixelWidth, wb.PixelHeight, 0, 65);
}
}
p = cm.mainPage.geoToView(tiles[0].lat, tiles[0].lon);
if (!cm.mainPage.MapViewport.Children.Contains(tiles[0].bitmap))
cm.mainPage.MapViewport.Children.Add(tiles[0].bitmap);
tiles[0].bitmap.SetValue(Canvas.TopProperty, p.Y);
tiles[0].bitmap.SetValue(Canvas.LeftProperty, p.X);
tiles[0].bitmap.SetValue(Canvas.ZIndexProperty, -1);
RotateTransform trans = new RotateTransform();
for (int i = 0; i < entry.labels.Length; i++)
{
Label label = entry.labels[i];
Tile tile = labelCache.get(label.id);
if (tile == null)
{
if (MainPage.isoFile.FileExists("cache" + label.id.ToString() + ".jpg"))
{
using (MainPage.isoFileStream = MainPage.isoFile.OpenFile("cache\\" + label.id.ToString() + ".jpg", System.IO.FileMode.Open))
{
BitmapImage bm = new BitmapImage();
bm.SetSource(MainPage.isoFileStream);
Image img = new Image();
img.Source = bm;
Canvas canvas = new Canvas();
canvas.Children.Add(img);
tile = new Tile(label.lat, label.lon, canvas);
}
}
else
{
TextBlock tb = new TextBlock();
Canvas canvas = new Canvas();
Image img = new Image();
tile = labelPlotter.plot(label, tb, canvas, img, trans);
using (MainPage.isoFileStream = MainPage.isoFile.OpenFile("cache\\" + label.id.ToString() + ".jpg", System.IO.FileMode.Create))
{
if (label.id != 0)
{
WriteableBitmap wb = new WriteableBitmap(tile.bitmap, null);
wb.SaveJpeg(MainPage.isoFileStream, wb.PixelWidth, wb.PixelHeight, 0, 65);
}
}
}
labelCache.put(label.id, tile);
}
tiles[i + 1] = tile;
p = cm.mainPage.geoToView(tile.lat, tile.lon);
if (!cm.mainPage.LabelViewport.Children.Contains(tile.bitmap))
cm.mainPage.LabelViewport.Children.Add(tile.bitmap);
tile.bitmap.SetValue(Canvas.TopProperty, p.Y - 15);
tile.bitmap.SetValue(Canvas.LeftProperty, p.X);
}
cm.put(quadkey, tiles);
});
}
}
public Tile plot(iustc.map.data.Path[] paths, iustc.map.data.Rectangle rect, int level)
{
WriteableBitmap bitmap = new WriteableBitmap(size, size);
// Step 1: plot ground
plotNature(bitmap, paths, rect);
// Step 2: plot road border
plotRoadBorder(bitmap, paths, rect, level);
// Step 3: plot roads
plotRoad(bitmap, paths, rect, level);
// Step 4: plot building
plotBuilding(bitmap, paths, rect);
Tile tile = new Tile(rect.north, rect.west, bitmap);
return tile;
}
