166 lines
6.7 KiB
Java
166 lines
6.7 KiB
Java
package dk.network42.osmfocus;
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import java.util.ArrayList;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Rect;
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import android.graphics.RectF;
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import android.location.GpsStatus;
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import android.os.SystemClock;
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import android.util.Log;
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import android.view.View;
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public class MapView extends View {
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private static final String TAG = "MapView";
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String mLocProvider, mTmpStr;
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GpsStatus mGpsStatus;
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long mLastRedraw;
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SharedData mG;
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ArrayList<OsmElement> mNearest = new ArrayList<OsmElement>(10);
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Rect viewrect = new Rect();
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RectF viewrectf = new RectF();
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RectF worldrect = new RectF();
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int mRedraws=0;
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Context context;
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static public final float prescale = 150000.0f;
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public MapView(Context ctx) {
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super(ctx);
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setFocusable(true);
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setFocusableInTouchMode(true);
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context = ctx;
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mLastRedraw = SystemClock.elapsedRealtime();
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}
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@Override
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public void onDraw(Canvas canvas) {
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long now = SystemClock.elapsedRealtime();
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canvas.drawARGB(255, 238, 241, 233);
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canvas.getClipBounds(viewrect);
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int h = viewrect.height();
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int w = viewrect.width();
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viewrectf.set(viewrect);
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//Log.d(TAG, "Viewrectf: "+viewrectf.toString());
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mG.mPcfg.viewmatrix.reset();
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canvas.save();
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//canvas.getMatrix().mapRect(viewrectf);
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//Log.d(TAG, "2 Viewrectf: "+viewrectf.toString());
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canvas.translate(w/2, h/2);
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mG.mPcfg.viewmatrix.preTranslate(w/2, h/2);
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if (mG.mUseCompass) {
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canvas.rotate((float)-mG.mAzimuth);
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}
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canvas.save();
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canvas.scale(1.0f, -1.0f); // Up is down
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mG.mPcfg.viewmatrix.preScale(1.0f, -1.0f);
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canvas.scale(mG.mPcfg.mScale, mG.mPcfg.mScale); // Current zoom
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mG.mPcfg.viewmatrix.preScale(mG.mPcfg.mScale, mG.mPcfg.mScale);
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canvas.translate((float)(-mG.mLon*MapView.prescale), (float)(-GeoMath.latToMercator(mG.mLat)*MapView.prescale)); // Current pos
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mG.mPcfg.viewmatrix.preTranslate((float)(-mG.mLon*MapView.prescale), (float)(-GeoMath.latToMercator(mG.mLat)*MapView.prescale)); // Current pos
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worldrect.set(viewrectf);
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mG.mPcfg.view2world(worldrect);
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//Log.d(TAG, "Viewport="+viewrectf+", world viewport="+worldrect);
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if (mG.mLocationUpdates > 0) {
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if (mG.mTileLayer != null && (mG.mPcfg.mBackMapType == MapLayer.MAPTYPE_OSM || mG.mPcfg.mBackMapType == MapLayer.MAPTYPE_OSMCYCLEMAP)) {
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mG.mTileLayer.draw(canvas, worldrect, mG.mPcfg);
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}
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if (mG.mVectorLayer != null) {
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mG.mVectorLayer.draw(canvas, worldrect, mG.mPcfg);
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}
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}
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// GPS position
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if (mG.mPhyLocation != null) {
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canvas.drawCircle((float)(mG.mPhyLocation.getLongitude()*MapView.prescale),
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(float)(GeoMath.latToMercator(mG.mPhyLocation.getLatitude())*MapView.prescale),
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(float)(GeoMath.convertMetersToGeoDistanceMed((float)mG.mPhyLocation.getAccuracy())*MapView.prescale), mG.mPcfg.gps);
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}
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canvas.restore(); // Restores zoom scaling, current position translation and 'up is down'
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if (mG.mPhyLocation == null) {
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String txt = context.getString(R.string.info_locationunknown);
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canvas.drawText(txt, -mG.mPcfg.debughud.measureText(txt)/2, -3*mG.mPcfg.tagtextsize, mG.mPcfg.debughud);
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txt = "Satelites: Visible:"+mG.mSatelitesVisible+" used:"+mG.mSatelitesUsed;
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canvas.drawText(txt, -mG.mPcfg.debughud.measureText(txt)/2, -2*mG.mPcfg.tagtextsize, mG.mPcfg.debughud);
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} else {
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// Compass
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// canvas.save();
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// canvas.translate(w/2, h/2);
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// canvas.scale(w/2, h/2); //FIXME
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// //canvas.drawLine(0, 0, FloatMath.cos(aarad), FloatMath.sin(aarad), mG.mPcfg.paint);
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// //canvas.drawCircle(FloatMath.cos(aarad), FloatMath.sin(aarad), 5, mG.mPcfg.paint);
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// //canvas.drawCircle(0, 0, 1, mG.mPcfg.paint);
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// Cross-hair
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float len1 = 2.0f*mG.mPcfg.densityScale;
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float len2 = 10.0f*mG.mPcfg.densityScale;
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canvas.drawLine(0, -len1, 0, -len2, mG.mPcfg.gps2);
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canvas.drawLine(0, len1, 0, len2, mG.mPcfg.gps2);
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canvas.drawLine(-len1, 0, -len2, 0, mG.mPcfg.gps2);
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canvas.drawLine( len1, 0, len2, 0, mG.mPcfg.gps2);
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}
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canvas.restore(); // Restores center (0,0)
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// Tags
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if (mG.mLocationUpdates > 0) {
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if (mG.mTileLayer != null) {
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mG.mTileLayer.drawLegends(canvas, viewrectf, mG.mPcfg);
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}
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if (mG.mVectorLayer != null) {
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mG.mVectorLayer.drawLegends(canvas, viewrectf, mG.mPcfg);
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}
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}
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canvas.restore();
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long endtime = SystemClock.elapsedRealtime();
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// Debug info
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float dbghudY = h/2;
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if (mG.mDebugHUD) {
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canvas.drawText(String.format("View Loc: %.8f,%.8f, upd %d, sats %d/%d, scale %.4f",
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mG.mLon, mG.mLat, mG.mLocationUpdates, mG.mSatelitesVisible, mG.mSatelitesUsed, mG.mPcfg.mScale),
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0, dbghudY+mG.mPcfg.mHUDspacing, mG.mPcfg.debughud);
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if (mG.mPhyLocation != null) {
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canvas.drawText(String.format("Phy Loc: %.8f,%.8f, Accuracy: %.4f (%s)",
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mG.mPhyLocation.getLongitude(), mG.mPhyLocation.getLatitude(), mG.mPhyLocation.getAccuracy(), mLocProvider),
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0, dbghudY+2*mG.mPcfg.mHUDspacing, mG.mPcfg.debughud);
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} else {
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canvas.drawText("No phy location yet",
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0, dbghudY+2*mG.mPcfg.mHUDspacing, mG.mPcfg.debughud);
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}
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canvas.drawText(String.format("Azimuth: %.4f, Pitch: %.4f, Roll: %.4f", mG.mAzimuth, mG.mPitch, mG.mRoll),
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0, dbghudY+3*mG.mPcfg.mHUDspacing, mG.mPcfg.debughud);
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if (mG.mDb != null) {
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canvas.drawText(String.format("Nodes: %d, Ways: %d, Relations: %d",
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mG.mDb.getNodes().size(), mG.mDb.getWays().size(), mG.mDb.getRelations().size()),
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0, dbghudY+4*mG.mPcfg.mHUDspacing, mG.mPcfg.debughud);
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}
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canvas.drawText(String.format("RedrawPeriod: %dms, RedrawTime: %dms, Redraws:%d",
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now-mLastRedraw, endtime-now, ++mRedraws), 0, dbghudY+5*mG.mPcfg.mHUDspacing, mG.mPcfg.debughud);
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int memTile=0, memXml=0;
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if (mG.mTileLayer!=null)
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memTile = mG.mTileLayer.getMemorySize();
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if (mG.mVectorLayer!=null)
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memXml = mG.mVectorLayer.getMemorySize();
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canvas.drawText(String.format("MemoryUse: Tiles=%dk, Vector: %dk",
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memTile/1024, memXml/1024), 0, dbghudY+6*mG.mPcfg.mHUDspacing, mG.mPcfg.debughud);
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}
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//Log.d(TAG, "h="+h+"spacing="+mG.mPcfg.mListSpacing);
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mLastRedraw = now;
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}
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public void setSharedData(SharedData data) {
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mG = data;
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}
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}
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