/**
* method used to draw a polygon on map
*
* @param advancedStyle
*/
public void drawPolygons(AdvancedStyle advancedStyle) {
Paint stroke = StyleManager.getStrokePaint4Style(advancedStyle);
Paint fill = StyleManager.getFillPaint4Style(advancedStyle);
if (stroke == null && fill == null) {
// Can't draw
return;
}
ShapeWriter wr = new ShapeWriter(pointTransformer);
wr.setRemoveDuplicatePoints(true);
wr.setDecimation(style4Table.decimationFactor);
while (geometryIterator.hasNext()) {
Geometry geom = geometryIterator.next();
if (geom != null) {
DrawableShape shape = wr.toShape(geom);
if (fill != null) {
shape.fill(canvas, fill);
}
if (stroke != null) {
shape.draw(canvas, stroke);
}
}
}
}
/**
* Method used to draw a line on map.
*
* @param advancedStyle
* @param currentZoomLevel the current zoom level of the map view
*/
public void drawLines(AdvancedStyle advancedStyle, byte currentZoomLevel) {
Paint stroke = StyleManager.getStrokePaint4Style(advancedStyle);
Paint textStroke = StyleManager.getTextStrokePaint4Style(advancedStyle);
ShapeWriter wr = new ShapeWriter(pointTransformer);
wr.setRemoveDuplicatePoints(true);
wr.setDecimation(style4Table.decimationFactor);
if (stroke == null && textStroke == null) {
// Can't draw
return;
}
while (geometryIterator.hasNext()) {
Geometry geom = geometryIterator.next();
DrawableShape shape = wr.toShape(geom);
if (stroke != null) {
shape.draw(canvas, stroke);
}
// draw labels if zoom level fits and data is available
if (currentZoomLevel >= advancedStyle.label_minZoom
&& textStroke != null
&& shape instanceof PathShape
&& geom.getUserData() != null) {
Object userData = geom.getUserData();
canvas.drawTextOnPath(
userData.toString(),
((PathShape) shape).getPath(),
LABEL_H_OFFSET,
LABEL_V_OFFSET,
textStroke);
}
}
}
/**
* Method used to draw a point on map.
*
* @param fill
* @param stroke
*/
public void drawPoints(Paint fill, Paint stroke) {
ShapeWriter wr = new ShapeWriter(pointTransformer, style4Table.shape, style4Table.size);
wr.setRemoveDuplicatePoints(true);
wr.setDecimation(style4Table.decimationFactor);
while (geometryIterator.hasNext()) {
Geometry geom = geometryIterator.next();
geom.getCoordinate();
DrawableShape shape = wr.toShape(geom);
if (fill != null) {
shape.fill(canvas, fill);
}
if (stroke != null) {
shape.draw(canvas, stroke);
}
}
}
public void onToolDraw(Canvas canvas) {
if (startP.x == 0 && startP.y == 0) return;
canvas.drawCircle(startP.x, startP.y, 15, drawingPaintFill);
canvas.drawPath(drawingPath, drawingPaintStroke);
canvas.drawCircle(endP.x, endP.y, 15, drawingPaintFill);
if (previewGeometry != null) {
Projection projection = editingViewProjection;
byte zoomLevelBeforeDraw;
synchronized (mapView) {
zoomLevelBeforeDraw = mapView.getMapPosition().getZoomLevel();
positionBeforeDraw =
projection.toPoint(
mapView.getMapPosition().getMapCenter(), positionBeforeDraw, zoomLevelBeforeDraw);
}
// calculate the top-left point of the visible rectangle
point.x = positionBeforeDraw.x - (canvas.getWidth() >> 1);
point.y = positionBeforeDraw.y - (canvas.getHeight() >> 1);
MapViewPosition mapPosition = mapView.getMapPosition();
byte zoomLevel = mapPosition.getZoomLevel();
PointTransformation pointTransformer =
new MapsforgePointTransformation(projection, point, zoomLevel);
ShapeWriter shapeWriter = new ShapeWriter(pointTransformer);
shapeWriter.setRemoveDuplicatePoints(true);
FeatureUtilities.drawGeometry(
previewGeometry,
canvas,
shapeWriter,
selectedPreviewGeometryPaintFill,
selectedPreviewGeometryPaintStroke);
}
}