本文整理汇总了Java中org.osmdroid.views.Projection.toPixelsFromProjected方法的典型用法代码示例。如果您正苦于以下问题:Java Projection.toPixelsFromProjected方法的具体用法?Java Projection.toPixelsFromProjected怎么用?Java Projection.toPixelsFromProjected使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.osmdroid.views.Projection
的用法示例。
在下文中一共展示了Projection.toPixelsFromProjected方法的7个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: onSnapToItem
import org.osmdroid.views.Projection; //导入方法依赖的package包/类
@Override
public boolean onSnapToItem(final int x, final int y, final Point snapPoint,
final IMapView mapView) {
if (this.mLocation != null) {
Projection pj = mMapView.getProjection();
pj.toPixelsFromProjected(mMapCoordsProjected, mMapCoordsTranslated);
snapPoint.x = mMapCoordsTranslated.x;
snapPoint.y = mMapCoordsTranslated.y;
final double xDiff = x - mMapCoordsTranslated.x;
final double yDiff = y - mMapCoordsTranslated.y;
boolean snap = xDiff * xDiff + yDiff * yDiff < 64;
// if (DEBUGMODE) {
// logger.debug("snap=" + snap);
// }
return snap;
} else {
return false;
}
}
示例2: isCloseTo
import org.osmdroid.views.Projection; //导入方法依赖的package包/类
/** Detection is done is screen coordinates.
* @param point
* @param tolerance in pixels
* @return true if the Polyline is close enough to the point.
*/
public boolean isCloseTo(GeoPoint point, double tolerance, MapView mapView) {
final Projection pj = mapView.getProjection();
precomputePoints(pj);
Point p = pj.toPixels(point, null);
int i = 0;
boolean found = false;
while (i < mPointsPrecomputed - 1 && !found) {
Point projectedPoint1 = mPoints.get(i);
if (i == 0){
pj.toPixelsFromProjected(projectedPoint1, mTempPoint1);
} else {
//reuse last b:
mTempPoint1.set(mTempPoint2.x, mTempPoint2.y);
}
Point projectedPoint2 = mPoints.get(i+1);
pj.toPixelsFromProjected(projectedPoint2, mTempPoint2);
found = (linePointDist(mTempPoint1, mTempPoint2, p, true) <= tolerance);
//TODO: if found, compute and return the point ON the line.
i++;
}
return found;
}
示例3: hitTest
import org.osmdroid.views.Projection; //导入方法依赖的package包/类
public boolean hitTest(final MotionEvent event, final MapView mapView){
final Projection pj = mapView.getProjection();
pj.toPixelsFromProjected(mMapCoordsProjected, mPositionPixels);
final Rect screenRect = pj.getIntrinsicScreenRect();
int x = -mPositionPixels.x + screenRect.left + (int) event.getX();
int y = -mPositionPixels.y + screenRect.top + (int) event.getY();
boolean hit = mIcon.getBounds().contains(x, y);
return hit;
// return true;
}
示例4: getMyLocationDrawingBounds
import org.osmdroid.views.Projection; //导入方法依赖的package包/类
protected Rect getMyLocationDrawingBounds(int zoomLevel, Location lastFix, Rect reuse) {
if (reuse == null)
reuse = new Rect();
final Projection pj = mMapView.getProjection();
pj.toPixelsFromProjected(mMapCoordsProjected, mMapCoordsTranslated);
// Start with the bitmap bounds
if (lastFix.hasBearing()) {
// Get a square bounding box around the object, and expand by the length of the diagonal
// so as to allow for extra space for rotating
int widestEdge = (int) Math.ceil(Math.max(mDirectionArrowBitmap.getWidth(),
mDirectionArrowBitmap.getHeight()) * Math.sqrt(2));
reuse.set(mMapCoordsTranslated.x, mMapCoordsTranslated.y, mMapCoordsTranslated.x
+ widestEdge, mMapCoordsTranslated.y + widestEdge);
reuse.offset(-widestEdge / 2, -widestEdge / 2);
} else {
reuse.set(mMapCoordsTranslated.x, mMapCoordsTranslated.y, mMapCoordsTranslated.x
+ mIconBitmap.getWidth(), mMapCoordsTranslated.y + mIconBitmap.getHeight());
reuse.offset((int) (-mPersonHotspot.x + 0.5f), (int) (-mPersonHotspot.y + 0.5f));
}
// Add in the accuracy circle if enabled
if (mDrawAccuracyEnabled) {
final int radius = (int) java.lang.Math.ceil(lastFix.getAccuracy()
/ (float) TileSystem.GroundResolution(lastFix.getLatitude(), zoomLevel));
reuse.union(mMapCoordsTranslated.x - radius, mMapCoordsTranslated.y - radius,
mMapCoordsTranslated.x + radius, mMapCoordsTranslated.y + radius);
final int strokeWidth = (int) java.lang.Math.ceil(mCirclePaint.getStrokeWidth() == 0 ? 1
: mCirclePaint.getStrokeWidth());
reuse.inset(-strokeWidth, -strokeWidth);
}
return reuse;
}
示例5: drawMyLocation
import org.osmdroid.views.Projection; //导入方法依赖的package包/类
protected void drawMyLocation(final Canvas canvas, final MapView mapView, final Location lastFix) {
// LocationUpdateService.staticLog("ARMAN", "draw mylocation");
mPosition.setLatitudeE6((int)(lastFix.getLatitude() * 1000000));
mPosition.setLongitudeE6((int) (lastFix.getLongitude() * 1000000));
super.setPosition(mPosition);
final Projection pj = mapView.getProjection();
pj.toPixelsFromProjected(mMapCoordsProjected, mMapCoordsTranslated);
pj.toPixelsFromProjected(mMapCoordsProjected, mPositionPixels);
int width = mIcon.getIntrinsicWidth();
int height = mIcon.getIntrinsicHeight();
Rect rect = new Rect(0, 0, width, height);
rect.offset(-(int)(mAnchorU * width), -(int)(mAnchorV * height));
mIcon.setBounds(rect);
if (mDrawAccuracyEnabled) {
final float radius = lastFix.getAccuracy()
/ (float) TileSystem.GroundResolution(lastFix.getLatitude(),
mapView.getZoomLevel());
mCirclePaint.setAlpha(50);
mCirclePaint.setStyle(Style.FILL);
canvas.drawCircle(mMapCoordsTranslated.x, mMapCoordsTranslated.y, radius, mCirclePaint);
mCirclePaint.setAlpha(150);
mCirclePaint.setStyle(Style.STROKE);
canvas.drawCircle(mMapCoordsTranslated.x, mMapCoordsTranslated.y, radius, mCirclePaint);
}
canvas.getMatrix(mMatrix);
mMatrix.getValues(mMatrixValues);
if (DEBUGMODE) {
final float tx = (-mMatrixValues[Matrix.MTRANS_X] + 20)
/ mMatrixValues[Matrix.MSCALE_X];
final float ty = (-mMatrixValues[Matrix.MTRANS_Y] + 90)
/ mMatrixValues[Matrix.MSCALE_Y];
canvas.drawText("Lat: " + lastFix.getLatitude(), tx, ty + 5, mPaint);
canvas.drawText("Lon: " + lastFix.getLongitude(), tx, ty + 20, mPaint);
canvas.drawText("Alt: " + lastFix.getAltitude(), tx, ty + 35, mPaint);
canvas.drawText("Acc: " + lastFix.getAccuracy(), tx, ty + 50, mPaint);
}
// Calculate real scale including accounting for rotation
float scaleX = (float) Math.sqrt(mMatrixValues[Matrix.MSCALE_X]
* mMatrixValues[Matrix.MSCALE_X] + mMatrixValues[Matrix.MSKEW_Y]
* mMatrixValues[Matrix.MSKEW_Y]);
float scaleY = (float) Math.sqrt(mMatrixValues[Matrix.MSCALE_Y]
* mMatrixValues[Matrix.MSCALE_Y] + mMatrixValues[Matrix.MSKEW_X]
* mMatrixValues[Matrix.MSKEW_X]);
if (lastFix.hasBearing()) {
canvas.save();
// Rotate the icon
canvas.rotate(lastFix.getBearing(), mMapCoordsTranslated.x, mMapCoordsTranslated.y);
// Counteract any scaling that may be happening so the icon stays the same size
canvas.scale(1 / scaleX, 1 / scaleY, mMapCoordsTranslated.x, mMapCoordsTranslated.y);
// Draw the bitmap
canvas.drawBitmap(mDirectionArrowBitmap, mMapCoordsTranslated.x
- mDirectionArrowCenterX, mMapCoordsTranslated.y - mDirectionArrowCenterY,
mPaint);
canvas.restore();
} else {
canvas.save();
// Unrotate the icon if the maps are rotated so the little man stays upright
canvas.rotate(-mMapView.getMapOrientation(), mMapCoordsTranslated.x,
mMapCoordsTranslated.y);
// Counteract any scaling that may be happening so the icon stays the same size
canvas.scale(1 / scaleX, 1 / scaleY, mMapCoordsTranslated.x, mMapCoordsTranslated.y);
// Draw the bitmap
canvas.drawBitmap(mIconBitmap, mMapCoordsTranslated.x - mPersonHotspot.x,
mMapCoordsTranslated.y - mPersonHotspot.y, mPaint);
canvas.restore();
}
}
示例6: buildPathPortion
import org.osmdroid.views.Projection; //导入方法依赖的package包/类
/**
* Note - highly optimized to handle long paths, proceed with care.
* Should be fine up to 10K points.
*/
protected void buildPathPortion(Projection pj){
final int size = mConvertedPoints.size();
if (size < 2) // nothing to paint
return;
// precompute new points to the intermediate projection.
if (!mPrecomputed){
for (int i=0; i<size; i++) {
final Point pt = mConvertedPoints.get(i);
pj.toProjectedPixels(pt.x, pt.y, pt);
}
mPrecomputed = true;
}
Point projectedPoint0 = mConvertedPoints.get(0); // points from the points list
Point projectedPoint1;
Point screenPoint0 = pj.toPixelsFromProjected(projectedPoint0, mTempPoint1); // points on screen
Point screenPoint1;
mPath.moveTo(screenPoint0.x, screenPoint0.y);
for (int i=0; i<size; i++) {
// compute next points
projectedPoint1 = mConvertedPoints.get(i);
screenPoint1 = pj.toPixelsFromProjected(projectedPoint1, mTempPoint2);
if (Math.abs(screenPoint1.x - screenPoint0.x) + Math.abs(screenPoint1.y - screenPoint0.y) <= 1) {
// skip this point, too close to previous point
continue;
}
mPath.lineTo(screenPoint1.x, screenPoint1.y);
// update starting point to next position
projectedPoint0 = projectedPoint1;
screenPoint0.x = screenPoint1.x;
screenPoint0.y = screenPoint1.y;
}
mPath.close();
}
示例7: draw
import org.osmdroid.views.Projection; //导入方法依赖的package包/类
@Override protected void draw(final Canvas canvas, final MapView mapView, final boolean shadow) {
if (shadow) {
return;
}
final int size = this.mPoints.size();
if (size < 2) {
// nothing to paint
return;
}
final Projection pj = mapView.getProjection();
// precompute new points to the intermediate projection.
precomputePoints(pj);
Point screenPoint0 = null; // points on screen
Point screenPoint1;
Point projectedPoint0; // points from the points list
Point projectedPoint1;
// clipping rectangle in the intermediate projection, to avoid performing projection.
BoundingBoxE6 boundingBox = pj.getBoundingBox();
Point topLeft = pj.toProjectedPixels(boundingBox.getLatNorthE6(),
boundingBox.getLonWestE6(), null);
Point bottomRight = pj.toProjectedPixels(boundingBox.getLatSouthE6(),
boundingBox.getLonEastE6(), null);
final Rect clipBounds = new Rect(topLeft.x, topLeft.y, bottomRight.x, bottomRight.y);
// take into account map orientation:
if (mapView.getMapOrientation() != 0.0f)
GeometryMath.getBoundingBoxForRotatatedRectangle(clipBounds, mapView.getMapOrientation(), clipBounds);
mPath.rewind();
projectedPoint0 = this.mPoints.get(size - 1);
mLineBounds.set(projectedPoint0.x, projectedPoint0.y, projectedPoint0.x, projectedPoint0.y);
for (int i = size - 2; i >= 0; i--) {
// compute next points
projectedPoint1 = this.mPoints.get(i);
mLineBounds.union(projectedPoint1.x, projectedPoint1.y);
if (!Rect.intersects(clipBounds, mLineBounds)) {
// skip this line, move to next point
projectedPoint0 = projectedPoint1;
screenPoint0 = null;
continue;
}
// the starting point may be not calculated, because previous segment was out of clip
// bounds
if (screenPoint0 == null) {
screenPoint0 = pj.toPixelsFromProjected(projectedPoint0, this.mTempPoint1);
mPath.moveTo(screenPoint0.x, screenPoint0.y);
}
screenPoint1 = pj.toPixelsFromProjected(projectedPoint1, this.mTempPoint2);
// skip this point, too close to previous point
if (Math.abs(screenPoint1.x - screenPoint0.x) + Math.abs(screenPoint1.y - screenPoint0.y) <= 1) {
continue;
}
mPath.lineTo(screenPoint1.x, screenPoint1.y);
// update starting point to next position
projectedPoint0 = projectedPoint1;
screenPoint0.x = screenPoint1.x;
screenPoint0.y = screenPoint1.y;
mLineBounds.set(projectedPoint0.x, projectedPoint0.y, projectedPoint0.x, projectedPoint0.y);
}
canvas.drawPath(mPath, mPaint);
}