protected void rotateToAnimate(float rotate) {
if (isMapRotateEnabled()) {
this.rotate = MapUtils.unifyRotationTo360(rotate);
currentViewport.setRotate(this.rotate);
refreshMap();
}
}
public void setComplexZoom(int zoom, float scale) {
if (mainLayer != null
&& zoom <= mainLayer.getMaximumShownMapZoom()
&& zoom >= mainLayer.getMinimumShownMapZoom()) {
animatedDraggingThread.stopAnimating();
currentViewport.setZoom(zoom, scale, 0);
currentViewport.setRotate(zoom > LOWEST_ZOOM_TO_ROTATE ? rotate : 0);
refreshMap();
}
}
private void changeZoomPosition(float dz, float angle) {
final QuadPoint cp = initialViewport.getCenterPixelPoint();
float dx = cp.x - initialMultiTouchCenterPoint.x;
float dy = cp.y - initialMultiTouchCenterPoint.y;
final RotatedTileBox calc = initialViewport.copy();
calc.setLatLonCenter(initialCenterLatLon.getLatitude(), initialCenterLatLon.getLongitude());
float calcZoom = initialViewport.getZoom() + dz + initialViewport.getZoomScale();
float calcRotate = calc.getRotate() + angle;
calc.setRotate(calcRotate);
calc.setZoomAnimation(dz);
final LatLon r = calc.getLatLonFromPixel(cp.x + dx, cp.y + dy);
setLatLon(r.getLatitude(), r.getLongitude());
zoomToAnimate(calcZoom, true);
rotateToAnimate(calcRotate);
}
private void drawBasemap(Canvas canvas) {
if (bufferImgLoc != null) {
float rot = -bufferImgLoc.getRotate();
canvas.rotate(rot, currentViewport.getCenterPixelX(), currentViewport.getCenterPixelY());
final RotatedTileBox calc = currentViewport.copy();
calc.setRotate(bufferImgLoc.getRotate());
int cz = getZoom();
QuadPoint lt = bufferImgLoc.getLeftTopTile(cz);
QuadPoint rb = bufferImgLoc.getRightBottomTile(cz);
final float x1 = calc.getPixXFromTile(lt.x, lt.y, cz);
final float x2 = calc.getPixXFromTile(rb.x, rb.y, cz);
final float y1 = calc.getPixYFromTile(lt.x, lt.y, cz);
final float y2 = calc.getPixYFromTile(rb.x, rb.y, cz);
if (!bufferBitmap.isRecycled()) {
canvas.drawBitmap(bufferBitmap, null, new RectF(x1, y1, x2, y2), paintImg);
}
canvas.rotate(-rot, currentViewport.getCenterPixelX(), currentViewport.getCenterPixelY());
}
}
// for internal usage
protected void zoomToAnimate(float tzoom, boolean notify) {
int zoom = getZoom();
float zoomToAnimate = tzoom - zoom - getZoomScale();
if (zoomToAnimate >= 1) {
zoom += (int) zoomToAnimate;
zoomToAnimate -= (int) zoomToAnimate;
}
while (zoomToAnimate < 0) {
zoom--;
zoomToAnimate += 1;
}
if (mainLayer != null
&& mainLayer.getMaximumShownMapZoom() >= zoom
&& mainLayer.getMinimumShownMapZoom() <= zoom) {
currentViewport.setZoomAndAnimation(zoom, zoomToAnimate);
currentViewport.setRotate(zoom > LOWEST_ZOOM_TO_ROTATE ? rotate : 0);
refreshMap();
if (notify && locationListener != null) {
locationListener.locationChanged(getLatitude(), getLongitude(), this);
}
}
}