public override void Draw(BoundingBox boundingBox, sbyte zoomLevel, ICanvas canvas, Point topLeftPoint)
{
long tileLeft = MercatorProjection.LongitudeToTileX(boundingBox.MinLongitude, zoomLevel);
long tileTop = MercatorProjection.LatitudeToTileY(boundingBox.MaxLatitude, zoomLevel);
long tileRight = MercatorProjection.LongitudeToTileX(boundingBox.MaxLongitude, zoomLevel);
long tileBottom = MercatorProjection.LatitudeToTileY(boundingBox.MinLatitude, zoomLevel);
int tileSize = this.displayModel.TileSize;
int pixelX1 = (int)(MercatorProjection.TileToPixel(tileLeft, tileSize) - topLeftPoint.X);
int pixelY1 = (int)(MercatorProjection.TileToPixel(tileTop, tileSize) - topLeftPoint.Y);
int pixelX2 = (int)(MercatorProjection.TileToPixel(tileRight, tileSize) - topLeftPoint.X + tileSize);
int pixelY2 = (int)(MercatorProjection.TileToPixel(tileBottom, tileSize) - topLeftPoint.Y + tileSize);
for (int lineX = pixelX1; lineX <= pixelX2 + 1; lineX += tileSize)
{
canvas.DrawLine(lineX, pixelY1, lineX, pixelY2, this.paintBack);
}
for (int lineY = pixelY1; lineY <= pixelY2 + 1; lineY += tileSize)
{
canvas.DrawLine(pixelX1, lineY, pixelX2, lineY, this.paintBack);
}
for (int lineX = pixelX1; lineX <= pixelX2 + 1; lineX += tileSize)
{
canvas.DrawLine(lineX, pixelY1, lineX, pixelY2, this.paintFront);
}
for (int lineY = pixelY1; lineY <= pixelY2 + 1; lineY += tileSize)
{
canvas.DrawLine(pixelX1, lineY, pixelX2, lineY, this.paintFront);
}
}
protected internal override void Redraw(ICanvas canvas)
{
canvas.FillColor(Color.TRANSPARENT);
float scale = this.displayModel.ScaleFactor;
ScaleBarLengthAndValue lengthAndValue = this.CalculateScaleBarLengthAndValue();
ScaleBarLengthAndValue lengthAndValue2;
if (this.scaleBarMode == ScaleBarMode.BOTH)
{
lengthAndValue2 = this.CalculateScaleBarLengthAndValue(this.secondaryDistanceUnitAdapter);
}
else
{
lengthAndValue2 = new ScaleBarLengthAndValue(0, 0);
}
DrawScaleBar(canvas, lengthAndValue.scaleBarLength, lengthAndValue2.scaleBarLength, this.paintScaleBarStroke, scale);
DrawScaleBar(canvas, lengthAndValue.scaleBarLength, lengthAndValue2.scaleBarLength, this.paintScaleBar, scale);
string scaleText1 = this.distanceUnitAdapter.GetScaleText(lengthAndValue.scaleBarValue);
string scaleText2 = this.scaleBarMode == ScaleBarMode.BOTH ? this.secondaryDistanceUnitAdapter.GetScaleText(lengthAndValue2.scaleBarValue) : "";
DrawScaleText(canvas, scaleText1, scaleText2, this.paintScaleTextStroke, scale);
DrawScaleText(canvas, scaleText1, scaleText2, this.paintScaleText, scale);
}
private void DrawTileCoordinates(TilePosition tilePosition, ICanvas canvas)
{
int x = (int)(tilePosition.Point.X + 8 * displayModel.ScaleFactor);
int y = (int)(tilePosition.Point.Y + 24 * displayModel.ScaleFactor);
Tile tile = tilePosition.Tile;
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append("X: ");
stringBuilder.Append(tile.TileX);
string text = stringBuilder.ToString();
canvas.DrawText(text, x, y, this.paintBack);
canvas.DrawText(text, x, y, this.paintFront);
stringBuilder.Length = 0;
stringBuilder.Append("Y: ");
stringBuilder.Append(tile.TileY);
text = stringBuilder.ToString();
canvas.DrawText(text, x, (int)(y + 24 * displayModel.ScaleFactor), this.paintBack);
canvas.DrawText(text, x, (int)(y + 24 * displayModel.ScaleFactor), this.paintFront);
stringBuilder.Length = 0;
stringBuilder.Append("Z: ");
stringBuilder.Append(tile.ZoomLevel);
text = stringBuilder.ToString();
canvas.DrawText(text, x, (int)(y + 48 * displayModel.ScaleFactor), this.paintBack);
canvas.DrawText(text, x, (int)(y + 48 * displayModel.ScaleFactor), this.paintFront);
}
private void DrawParentTileBitmap(ICanvas canvas, Point point, Tile tile)
{
Tile cachedParentTile = GetCachedParentTile(tile, 4);
if (cachedParentTile != null)
{
IBitmap bitmap = this.tileCache.GetImmediately(CreateJob(cachedParentTile));
if (bitmap != null)
{
int tileSize = this.displayModel.TileSize;
long translateX = tile.GetShiftX(cachedParentTile) * tileSize;
long translateY = tile.GetShiftY(cachedParentTile) * tileSize;
sbyte zoomLevelDiff = (sbyte)(tile.ZoomLevel - cachedParentTile.ZoomLevel);
float scaleFactor = (float)Math.Pow(2, zoomLevelDiff);
int x = (int)Math.Round(point.X);
int y = (int)Math.Round(point.Y);
this.matrix.Reset();
this.matrix.Translate(x - translateX, y - translateY);
this.matrix.Scale(scaleFactor, scaleFactor);
canvas.SetClip(x, y, this.displayModel.TileSize, this.displayModel.TileSize);
canvas.DrawBitmap(bitmap, this.matrix);
canvas.ResetClip();
bitmap.DecrementRefCount();
}
}
}
public override void Draw(BoundingBox boundingBox, sbyte zoomLevel, ICanvas canvas, Point topLeftPoint)
{
lock (this)
{
if (this.latLong == null || this.bitmap == null)
{
return;
}
long mapSize = MercatorProjection.GetMapSize(zoomLevel, this.displayModel.TileSize);
double pixelX = MercatorProjection.LongitudeToPixelX(this.latLong.Longitude, mapSize);
double pixelY = MercatorProjection.LatitudeToPixelY(this.latLong.Latitude, mapSize);
int halfBitmapWidth = this.bitmap.Width / 2;
int halfBitmapHeight = this.bitmap.Height / 2;
int left = (int)(pixelX - topLeftPoint.X - halfBitmapWidth + this.horizontalOffset);
int top = (int)(pixelY - topLeftPoint.Y - halfBitmapHeight + this.verticalOffset);
int right = left + this.bitmap.Width;
int bottom = top + this.bitmap.Height;
Rectangle bitmapRectangle = new Rectangle(left, top, right, bottom);
Rectangle canvasRectangle = new Rectangle(0, 0, canvas.Width, canvas.Height);
if (!canvasRectangle.Intersects(bitmapRectangle))
{
return;
}
canvas.DrawBitmap(this.bitmap, left, top);
}
}
public override void Draw(BoundingBox boundingBox, sbyte zoomLevel, ICanvas canvas, Point topLeftPoint)
{
IList <TilePosition> tilePositions = LayerUtil.GetTilePositions(boundingBox, zoomLevel, topLeftPoint, this.displayModel.TileSize);
// In a rotation situation it is possible that drawParentTileBitmap sets the
// clipping bounds to portrait, while the device is just being rotated into
// landscape: the result is a partially painted screen that only goes away
// after zooming (which has the effect of resetting the clip bounds if drawParentTileBitmap
// is called again).
// Always resetting the clip bounds here seems to avoid the problem,
// I assume that this is a pretty cheap operation, otherwise it would be better
// to hook this into the onConfigurationChanged call chain.
canvas.ResetClip();
if (!isTransparent)
{
canvas.FillColor(this.displayModel.BackgroundColor);
}
ISet <Job> jobs = new HashSet <Job>();
foreach (TilePosition tilePosition in tilePositions)
{
jobs.Add(CreateJob(tilePosition.Tile));
}
this.tileCache.WorkingSet = jobs;
for (int i = tilePositions.Count - 1; i >= 0; --i)
{
TilePosition tilePosition = tilePositions[i];
Point point = tilePosition.Point;
Tile tile = tilePosition.Tile;
T job = CreateJob(tile);
ITileBitmap bitmap = this.tileCache.GetImmediately(job);
if (bitmap == null)
{
if (this.hasJobQueue && !this.tileCache.ContainsKey(job))
{
this.jobQueue.Add(job);
}
DrawParentTileBitmap(canvas, point, tile);
}
else
{
if (IsTileStale(tile, bitmap) && this.hasJobQueue && !this.tileCache.ContainsKey(job))
{
this.jobQueue.Add(job);
}
RetrieveLabelsOnly(job);
canvas.DrawBitmap(bitmap, (int)Math.Round(point.X), (int)Math.Round(point.Y));
bitmap.DecrementRefCount();
}
}
if (this.hasJobQueue)
{
this.jobQueue.NotifyWorkers();
}
}
public LayerManager(MapView mapView, MapViewPosition mapViewPosition, IGraphicFactory graphicFactory) : base()
{
this.mapView = mapView;
this.mapViewPosition = mapViewPosition;
this.drawingCanvas = graphicFactory.CreateCanvas();
this.layers = new Layers(this, mapView.Model.displayModel);
}
public override void Draw(BoundingBox boundingBox, sbyte zoomLevel, ICanvas canvas, Point topLeftPoint)
{
IList <TilePosition> tilePositions = LayerUtil.GetTilePositions(boundingBox, zoomLevel, topLeftPoint, this.displayModel.TileSize);
for (int i = tilePositions.Count - 1; i >= 0; --i)
{
DrawTileCoordinates(tilePositions[i], canvas);
}
}
public override void Draw(BoundingBox boundingBox, sbyte zoomLevel, ICanvas canvas, Point topLeftPoint)
{
if (zoomLevel < this.tileSource.ZoomLevelMin || zoomLevel > this.tileSource.ZoomLevelMax)
{
return;
}
base.Draw(boundingBox, zoomLevel, canvas, topLeftPoint);
}
public override void Draw(BoundingBox boundingBox, sbyte zoomLevel, ICanvas canvas, Point topLeftPoint)
{
lock (this)
{
if (this.latLongs.Count < 2 || (this.paintStroke == null && this.paintFill == null))
{
return;
}
IEnumerator <LatLong> iterator = this.latLongs.GetEnumerator();
IPath path = this.graphicFactory.CreatePath();
LatLong latLong = iterator.Current;
long mapSize = MercatorProjection.GetMapSize(zoomLevel, displayModel.TileSize);
float x = (float)(MercatorProjection.LongitudeToPixelX(latLong.Longitude, mapSize) - topLeftPoint.X);
float y = (float)(MercatorProjection.LatitudeToPixelY(latLong.Latitude, mapSize) - topLeftPoint.Y);
path.MoveTo(x, y);
while (iterator.MoveNext())
{
latLong = iterator.Current;
x = (float)(MercatorProjection.LongitudeToPixelX(latLong.Longitude, mapSize) - topLeftPoint.X);
y = (float)(MercatorProjection.LatitudeToPixelY(latLong.Latitude, mapSize) - topLeftPoint.Y);
path.LineTo(x, y);
}
if (this.paintStroke != null)
{
if (this.keepAligned)
{
this.paintStroke.SetBitmapShaderShift = topLeftPoint;
}
canvas.DrawPath(path, this.paintStroke);
}
if (this.paintFill != null)
{
if (this.keepAligned)
{
this.paintFill.SetBitmapShaderShift = topLeftPoint;
}
canvas.DrawPath(path, this.paintFill);
}
}
}
public MapScaleBar(MapViewPosition mapViewPosition, MapViewDimension mapViewDimension, DisplayModel displayModel, IGraphicFactory graphicFactory, int width, int height)
{
this.mapViewPosition = mapViewPosition;
this.mapViewDimension = mapViewDimension;
this.displayModel = displayModel;
this.graphicFactory = graphicFactory;
this.mapScaleBitmap = graphicFactory.CreateBitmap((int)(width * this.displayModel.ScaleFactor), (int)(height * this.displayModel.ScaleFactor));
this.marginHorizontal = DEFAULT_HORIZONTAL_MARGIN;
this.marginVertical = DEFAULT_VERTICAL_MARGIN;
this.scaleBarPosition = DEFAULT_SCALE_BAR_POSITION;
this.mapScaleCanvas = graphicFactory.CreateCanvas();
this.mapScaleCanvas.Bitmap = this.mapScaleBitmap;
this.distanceUnitAdapter = MetricUnitAdapter.INSTANCE;
this.visible = true;
this.redrawNeeded = true;
}
public override void Draw(BoundingBox boundingBox, sbyte zoomLevel, ICanvas canvas, Point topLeftPoint)
{
lock (this)
{
if (this.latLong == null || (this.paintStroke == null && this.paintFill == null))
{
return;
}
double latitude = this.latLong.Latitude;
double longitude = this.latLong.Longitude;
long mapSize = MercatorProjection.GetMapSize(zoomLevel, displayModel.TileSize);
int pixelX = (int)(MercatorProjection.LongitudeToPixelX(longitude, mapSize) - topLeftPoint.X);
int pixelY = (int)(MercatorProjection.LatitudeToPixelY(latitude, mapSize) - topLeftPoint.Y);
int radiusInPixel = GetRadiusInPixels(latitude, zoomLevel);
Rectangle canvasRectangle = new Rectangle(0, 0, canvas.Width, canvas.Height);
if (!canvasRectangle.IntersectsCircle(pixelX, pixelY, radiusInPixel))
{
return;
}
if (this.paintStroke != null)
{
if (this.keepAligned)
{
this.paintStroke.SetBitmapShaderShift = topLeftPoint;
}
canvas.DrawCircle(pixelX, pixelY, radiusInPixel, this.paintStroke);
}
if (this.paintFill != null)
{
if (this.keepAligned)
{
this.paintFill.SetBitmapShaderShift = topLeftPoint;
}
canvas.DrawCircle(pixelX, pixelY, radiusInPixel, this.paintFill);
}
}
}
public override void Draw(BoundingBox boundingBox, sbyte zoomLevel, ICanvas canvas, Point topLeftPoint)
{
ISet <Tile> currentTileSet = LayerUtil.GetTiles(boundingBox, zoomLevel, displayModel.TileSize);
if (!currentTileSet.Equals(lastTileSet) || lastLabelStoreVersion != labelStore.Version)
{
// only need to get new data set if either set of tiles changed or the label store
lastTileSet = currentTileSet;
lastLabelStoreVersion = labelStore.Version;
IList <MapElementContainer> visibleItems = this.labelStore.GetVisibleItems(currentTileSet);
// TODO this is code duplicated from CanvasRasterer::drawMapElements, should be factored out
// what LayerUtil.collisionFreeOrdered gave us is a list where highest priority comes first,
// so we need to reverse that in order to
// draw elements in order of priority: lower priority first, so more important
// elements will be drawn on top (in case of display=true) items.
elementsToDraw = from element in LayerUtil.CollisionFreeOrdered(visibleItems) orderby element.Priority ascending select element;
}
foreach (MapElementContainer item in elementsToDraw)
{
item.Draw(canvas, topLeftPoint, this.matrix);
}
}
public override void Draw(BoundingBox boundingBox, sbyte zoomLevel, ICanvas canvas, Point topLeftPoint)
{
if (spacingConfig.ContainsKey(zoomLevel))
{
double spacing = spacingConfig[zoomLevel].Value;
double minLongitude = spacing * (Math.Floor(boundingBox.MinLongitude / spacing));
double maxLongitude = spacing * (Math.Ceiling(boundingBox.MaxLongitude / spacing));
double minLatitude = spacing * (Math.Floor(boundingBox.MinLatitude / spacing));
double maxLatitude = spacing * (Math.Ceiling(boundingBox.MaxLatitude / spacing));
long mapSize = MercatorProjection.GetMapSize(zoomLevel, this.displayModel.TileSize);
int bottom = (int)(MercatorProjection.LatitudeToPixelY(minLatitude, mapSize) - topLeftPoint.Y);
int top = (int)(MercatorProjection.LatitudeToPixelY(maxLatitude, mapSize) - topLeftPoint.Y);
int left = (int)(MercatorProjection.LongitudeToPixelX(minLongitude, mapSize) - topLeftPoint.X);
int right = (int)(MercatorProjection.LongitudeToPixelX(maxLongitude, mapSize) - topLeftPoint.X);
for (double latitude = minLatitude; latitude <= maxLatitude; latitude += spacing)
{
int pixelY = (int)(MercatorProjection.LatitudeToPixelY(latitude, mapSize) - topLeftPoint.Y);
canvas.DrawLine(left, pixelY, right, pixelY, this.lineBack);
}
for (double longitude = minLongitude; longitude <= maxLongitude; longitude += spacing)
{
int pixelX = (int)(MercatorProjection.LongitudeToPixelX(longitude, mapSize) - topLeftPoint.X);
canvas.DrawLine(pixelX, bottom, pixelX, top, this.lineBack);
}
for (double latitude = minLatitude; latitude <= maxLatitude; latitude += spacing)
{
int pixelY = (int)(MercatorProjection.LatitudeToPixelY(latitude, mapSize) - topLeftPoint.Y);
canvas.DrawLine(left, pixelY, right, pixelY, this.lineFront);
}
for (double longitude = minLongitude; longitude <= maxLongitude; longitude += spacing)
{
int pixelX = (int)(MercatorProjection.LongitudeToPixelX(longitude, mapSize) - topLeftPoint.X);
canvas.DrawLine(pixelX, bottom, pixelX, top, this.lineFront);
}
for (double latitude = minLatitude; latitude <= maxLatitude; latitude += spacing)
{
string text = ConvertCoordinate(latitude);
int pixelX = (canvas.Width - this.textFront.GetTextWidth(text)) / 2;
int pixelY = (int)(MercatorProjection.LatitudeToPixelY(latitude, mapSize) - topLeftPoint.Y) + this.textFront.GetTextHeight(text) / 2;
canvas.DrawText(text, pixelX, pixelY, this.textBack);
canvas.DrawText(text, pixelX, pixelY, this.textFront);
}
for (double longitude = minLongitude; longitude <= maxLongitude; longitude += spacing)
{
string text = ConvertCoordinate(longitude);
int pixelX = (int)(MercatorProjection.LongitudeToPixelX(longitude, mapSize) - topLeftPoint.X) - this.textFront.GetTextWidth(text) / 2;
int pixelY = (canvas.Height + this.textFront.GetTextHeight(text)) / 2;
canvas.DrawText(text, pixelX, pixelY, this.textBack);
canvas.DrawText(text, pixelX, pixelY, this.textFront);
}
}
}
/// <summary> /// Redraw the mapScaleBar. Make sure you always apply this.displayModel.getScaleFactor() to all coordinates and /// dimensions. /// </summary> /// <param name="canvas"> /// The canvas to draw on </param> protected internal abstract void Redraw(ICanvas canvas);
private void DrawScaleBar(ICanvas canvas, int scaleBarLength1, int scaleBarLength2, IPaint paint, float scale)
{
int maxScaleBarLength = Math.Max(scaleBarLength1, scaleBarLength2);
switch (scaleBarPosition)
{
case org.mapsforge.map.scalebar.MapScaleBar.ScaleBarPosition.BOTTOM_CENTER:
if (scaleBarLength2 == 0)
{
canvas.DrawLine((int)Math.Round((canvas.Width - maxScaleBarLength) * 0.5f), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), (int)Math.Round((canvas.Width + maxScaleBarLength) * 0.5f), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
canvas.DrawLine((int)Math.Round((canvas.Width - maxScaleBarLength) * 0.5f), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round((canvas.Width - maxScaleBarLength) * 0.5f), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
canvas.DrawLine((int)Math.Round((canvas.Width + maxScaleBarLength) * 0.5f), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round((canvas.Width + maxScaleBarLength) * 0.5f), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
}
else
{
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + maxScaleBarLength), (int)Math.Round(canvas.Height * 0.5f), paint);
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + scaleBarLength1), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + scaleBarLength1), (int)Math.Round(canvas.Height * 0.5f), paint);
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + scaleBarLength2), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + scaleBarLength2), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
}
break;
case org.mapsforge.map.scalebar.MapScaleBar.ScaleBarPosition.BOTTOM_LEFT:
if (scaleBarLength2 == 0)
{
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + maxScaleBarLength), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + maxScaleBarLength), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + maxScaleBarLength), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
}
else
{
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + maxScaleBarLength), (int)Math.Round(canvas.Height * 0.5f), paint);
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + scaleBarLength1), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + scaleBarLength1), (int)Math.Round(canvas.Height * 0.5f), paint);
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + scaleBarLength2), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + scaleBarLength2), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
}
break;
case org.mapsforge.map.scalebar.MapScaleBar.ScaleBarPosition.BOTTOM_RIGHT:
if (scaleBarLength2 == 0)
{
canvas.DrawLine((int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f - maxScaleBarLength), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
canvas.DrawLine((int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
canvas.DrawLine((int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f - maxScaleBarLength), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f - maxScaleBarLength), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
}
else
{
canvas.DrawLine((int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f - maxScaleBarLength), (int)Math.Round(canvas.Height * 0.5f), paint);
canvas.DrawLine((int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
canvas.DrawLine((int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f - scaleBarLength1), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f - scaleBarLength1), (int)Math.Round(canvas.Height * 0.5f), paint);
canvas.DrawLine((int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f - scaleBarLength2), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f - scaleBarLength2), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
}
break;
case org.mapsforge.map.scalebar.MapScaleBar.ScaleBarPosition.TOP_CENTER:
if (scaleBarLength2 == 0)
{
canvas.DrawLine((int)Math.Round((canvas.Width - maxScaleBarLength) * 0.5f), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round((canvas.Width + maxScaleBarLength) * 0.5f), (int)Math.Round(SCALE_BAR_MARGIN * scale), paint);
canvas.DrawLine((int)Math.Round((canvas.Width - maxScaleBarLength) * 0.5f), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round((canvas.Width - maxScaleBarLength) * 0.5f), (int)Math.Round(canvas.Height * 0.5f), paint);
canvas.DrawLine((int)Math.Round((canvas.Width + maxScaleBarLength) * 0.5f), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round((canvas.Width + maxScaleBarLength) * 0.5f), (int)Math.Round(canvas.Height * 0.5f), paint);
}
else
{
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + maxScaleBarLength), (int)Math.Round(canvas.Height * 0.5f), paint);
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + scaleBarLength1), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + scaleBarLength1), (int)Math.Round(canvas.Height * 0.5f), paint);
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + scaleBarLength2), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + scaleBarLength2), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
}
break;
case org.mapsforge.map.scalebar.MapScaleBar.ScaleBarPosition.TOP_LEFT:
if (scaleBarLength2 == 0)
{
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + maxScaleBarLength), (int)Math.Round(SCALE_BAR_MARGIN * scale), paint);
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height * 0.5f), paint);
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + maxScaleBarLength), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + maxScaleBarLength), (int)Math.Round(canvas.Height * 0.5f), paint);
}
else
{
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + maxScaleBarLength), (int)Math.Round(canvas.Height * 0.5f), paint);
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + scaleBarLength1), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + scaleBarLength1), (int)Math.Round(canvas.Height * 0.5f), paint);
canvas.DrawLine((int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + scaleBarLength2), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round(STROKE_EXTERNAL * scale * 0.5f + scaleBarLength2), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
}
break;
case org.mapsforge.map.scalebar.MapScaleBar.ScaleBarPosition.TOP_RIGHT:
if (scaleBarLength2 == 0)
{
canvas.DrawLine((int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f - maxScaleBarLength), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(SCALE_BAR_MARGIN * scale), paint);
canvas.DrawLine((int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height * 0.5f), paint);
canvas.DrawLine((int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f - maxScaleBarLength), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f - maxScaleBarLength), (int)Math.Round(canvas.Height * 0.5f), paint);
}
else
{
canvas.DrawLine((int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f - maxScaleBarLength), (int)Math.Round(canvas.Height * 0.5f), paint);
canvas.DrawLine((int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
canvas.DrawLine((int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f - scaleBarLength1), (int)Math.Round(SCALE_BAR_MARGIN * scale), (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f - scaleBarLength1), (int)Math.Round(canvas.Height * 0.5f), paint);
canvas.DrawLine((int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f - scaleBarLength2), (int)Math.Round(canvas.Height * 0.5f), (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale * 0.5f - scaleBarLength2), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale), paint);
}
break;
}
}
internal CanvasRasterer(IGraphicFactory graphicFactory)
{
this.canvas = graphicFactory.CreateCanvas();
this.symbolMatrix = graphicFactory.CreateMatrix();
this.path = graphicFactory.CreatePath();
}
/// <summary>
/// Draws this {@code Layer} on the given canvas.
/// </summary>
/// <param name="boundingBox">
/// the geographical area which should be drawn. </param>
/// <param name="zoomLevel">
/// the zoom level at which this {@code Layer} should draw itself. </param>
/// <param name="canvas">
/// the canvas on which this {@code Layer} should draw itself. </param>
/// <param name="topLeftPoint">
/// the top-left pixel position of the canvas relative to the top-left map position. </param>
public abstract void Draw(BoundingBox boundingBox, sbyte zoomLevel, ICanvas canvas, Point topLeftPoint);
private void DrawScaleText(ICanvas canvas, string scaleText1, string scaleText2, IPaint paint, float scale)
{
switch (scaleBarPosition)
{
case org.mapsforge.map.scalebar.MapScaleBar.ScaleBarPosition.BOTTOM_CENTER:
if (scaleText2.Length == 0)
{
canvas.DrawText(scaleText1, (int)Math.Round((canvas.Width - this.paintScaleTextStroke.GetTextWidth(scaleText1)) * 0.5f), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale - STROKE_EXTERNAL * scale * 0.5f - TEXT_MARGIN * scale), paint);
}
else
{
canvas.DrawText(scaleText1, (int)Math.Round(STROKE_EXTERNAL * scale + TEXT_MARGIN * scale), (int)Math.Round(canvas.Height * 0.5f - STROKE_EXTERNAL * scale * 0.5f - TEXT_MARGIN * scale), paint);
canvas.DrawText(scaleText2, (int)Math.Round(STROKE_EXTERNAL * scale + TEXT_MARGIN * scale), (int)Math.Round(canvas.Height * 0.5f + STROKE_EXTERNAL * scale * 0.5f + TEXT_MARGIN * scale + this.paintScaleTextStroke.GetTextHeight(scaleText2)), paint);
}
break;
case org.mapsforge.map.scalebar.MapScaleBar.ScaleBarPosition.BOTTOM_LEFT:
if (scaleText2.Length == 0)
{
canvas.DrawText(scaleText1, (int)Math.Round(STROKE_EXTERNAL * scale + TEXT_MARGIN * scale), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale - STROKE_EXTERNAL * scale * 0.5f - TEXT_MARGIN * scale), paint);
}
else
{
canvas.DrawText(scaleText1, (int)Math.Round(STROKE_EXTERNAL * scale + TEXT_MARGIN * scale), (int)Math.Round(canvas.Height * 0.5f - STROKE_EXTERNAL * scale * 0.5f - TEXT_MARGIN * scale), paint);
canvas.DrawText(scaleText2, (int)Math.Round(STROKE_EXTERNAL * scale + TEXT_MARGIN * scale), (int)Math.Round(canvas.Height * 0.5f + STROKE_EXTERNAL * scale * 0.5f + TEXT_MARGIN * scale + this.paintScaleTextStroke.GetTextHeight(scaleText2)), paint);
}
break;
case org.mapsforge.map.scalebar.MapScaleBar.ScaleBarPosition.BOTTOM_RIGHT:
if (scaleText2.Length == 0)
{
canvas.DrawText(scaleText1, (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale - TEXT_MARGIN * scale - this.paintScaleTextStroke.GetTextWidth(scaleText1)), (int)Math.Round(canvas.Height - SCALE_BAR_MARGIN * scale - STROKE_EXTERNAL * scale * 0.5f - TEXT_MARGIN * scale), paint);
}
else
{
canvas.DrawText(scaleText1, (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale - TEXT_MARGIN * scale - this.paintScaleTextStroke.GetTextWidth(scaleText1)), (int)Math.Round(canvas.Height * 0.5f - STROKE_EXTERNAL * scale * 0.5f - TEXT_MARGIN * scale), paint);
canvas.DrawText(scaleText2, (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale - TEXT_MARGIN * scale - this.paintScaleTextStroke.GetTextWidth(scaleText2)), (int)Math.Round(canvas.Height * 0.5f + STROKE_EXTERNAL * scale * 0.5f + TEXT_MARGIN * scale + this.paintScaleTextStroke.GetTextHeight(scaleText2)), paint);
}
break;
case org.mapsforge.map.scalebar.MapScaleBar.ScaleBarPosition.TOP_CENTER:
if (scaleText2.Length == 0)
{
canvas.DrawText(scaleText1, (int)Math.Round((canvas.Width - this.paintScaleTextStroke.GetTextWidth(scaleText1)) * 0.5f), (int)Math.Round(SCALE_BAR_MARGIN * scale + STROKE_EXTERNAL * scale * 0.5f + TEXT_MARGIN * scale + this.paintScaleTextStroke.GetTextHeight(scaleText1)), paint);
}
else
{
canvas.DrawText(scaleText1, (int)Math.Round(STROKE_EXTERNAL * scale + TEXT_MARGIN * scale), (int)Math.Round(canvas.Height * 0.5f - STROKE_EXTERNAL * scale * 0.5f - TEXT_MARGIN * scale), paint);
canvas.DrawText(scaleText2, (int)Math.Round(STROKE_EXTERNAL * scale + TEXT_MARGIN * scale), (int)Math.Round(canvas.Height * 0.5f + STROKE_EXTERNAL * scale * 0.5f + TEXT_MARGIN * scale + this.paintScaleTextStroke.GetTextHeight(scaleText2)), paint);
}
break;
case org.mapsforge.map.scalebar.MapScaleBar.ScaleBarPosition.TOP_LEFT:
if (scaleText2.Length == 0)
{
canvas.DrawText(scaleText1, (int)Math.Round(STROKE_EXTERNAL * scale + TEXT_MARGIN * scale), (int)Math.Round(SCALE_BAR_MARGIN * scale + STROKE_EXTERNAL * scale * 0.5f + TEXT_MARGIN * scale + this.paintScaleTextStroke.GetTextHeight(scaleText1)), paint);
}
else
{
canvas.DrawText(scaleText1, (int)Math.Round(STROKE_EXTERNAL * scale + TEXT_MARGIN * scale), (int)Math.Round(canvas.Height * 0.5f - STROKE_EXTERNAL * scale * 0.5f - TEXT_MARGIN * scale), paint);
canvas.DrawText(scaleText2, (int)Math.Round(STROKE_EXTERNAL * scale + TEXT_MARGIN * scale), (int)Math.Round(canvas.Height * 0.5f + STROKE_EXTERNAL * scale * 0.5f + TEXT_MARGIN * scale + this.paintScaleTextStroke.GetTextHeight(scaleText2)), paint);
}
break;
case org.mapsforge.map.scalebar.MapScaleBar.ScaleBarPosition.TOP_RIGHT:
if (scaleText2.Length == 0)
{
canvas.DrawText(scaleText1, (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale - TEXT_MARGIN * scale - this.paintScaleTextStroke.GetTextWidth(scaleText1)), (int)Math.Round(SCALE_BAR_MARGIN * scale + STROKE_EXTERNAL * scale * 0.5f + TEXT_MARGIN * scale + this.paintScaleTextStroke.GetTextHeight(scaleText1)), paint);
}
else
{
canvas.DrawText(scaleText1, (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale - TEXT_MARGIN * scale - this.paintScaleTextStroke.GetTextWidth(scaleText1)), (int)Math.Round(canvas.Height * 0.5f - STROKE_EXTERNAL * scale * 0.5f - TEXT_MARGIN * scale), paint);
canvas.DrawText(scaleText2, (int)Math.Round(canvas.Width - STROKE_EXTERNAL * scale - TEXT_MARGIN * scale - this.paintScaleTextStroke.GetTextWidth(scaleText2)), (int)Math.Round(canvas.Height * 0.5f + STROKE_EXTERNAL * scale * 0.5f + TEXT_MARGIN * scale + this.paintScaleTextStroke.GetTextHeight(scaleText2)), paint);
}
break;
}
}
