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Line texture: stipple implementation, PathLayer support, #105
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139 changes: 139 additions & 0 deletions
139
vtm-android-example/src/org/oscim/android/test/LineTexActivity.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| /* | ||
| * Copyright 2014 Hannes Janetzek | ||
| * Copyright 2016 devemux86 | ||
| * | ||
| * This file is part of the OpenScienceMap project (http://www.opensciencemap.org). | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify it under the | ||
| * terms of the GNU Lesser General Public License as published by the Free Software | ||
| * Foundation, either version 3 of the License, or (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, but WITHOUT ANY | ||
| * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A | ||
| * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public License along with | ||
| * this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package org.oscim.android.test; | ||
|
|
||
| import android.os.Bundle; | ||
| import android.os.SystemClock; | ||
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|
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| import org.oscim.backend.CanvasAdapter; | ||
| import org.oscim.backend.canvas.Color; | ||
| import org.oscim.core.GeoPoint; | ||
| import org.oscim.layers.PathLayer; | ||
| import org.oscim.renderer.bucket.TextureItem; | ||
| import org.oscim.theme.styles.LineStyle; | ||
|
|
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
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| import static org.oscim.tiling.source.bitmap.DefaultSources.STAMEN_TONER; | ||
|
|
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| /** | ||
| * This is a very INEFFICIENT and somewhat less useful example for how to use | ||
| * PathLayers! | ||
| */ | ||
| public class LineTexActivity extends BitmapTileMapActivity { | ||
|
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| public LineTexActivity() { | ||
| super(STAMEN_TONER.build()); | ||
| } | ||
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| TextureItem tex; | ||
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| @Override | ||
| public void onCreate(Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
| mBitmapLayer.tileRenderer().setBitmapAlpha(0.5f); | ||
|
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| tex = new TextureItem(CanvasAdapter.getBitmapAsset("", "patterns/pike.png")); | ||
| tex.mipmap = true; | ||
|
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| createLayers(1, true); | ||
|
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| //looooop(); | ||
| } | ||
|
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| @Override | ||
| protected void onResume() { | ||
| super.onResume(); | ||
|
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| /* ignore saved position */ | ||
| mMap.setMapPosition(0, 0, 1 << 2); | ||
| } | ||
|
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| void looooop() { | ||
| mMap.postDelayed(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| long t = SystemClock.uptimeMillis(); | ||
| float pos = t % 20000 / 10000f - 1f; | ||
| createLayers(pos, false); | ||
| //Samples.log.debug("update took" + (SystemClock.uptimeMillis() - t) + " " + pos); | ||
| looooop(); | ||
| redraw(); | ||
| } | ||
| }, 50); | ||
| } | ||
|
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| void redraw() { | ||
| mMap.render(); | ||
| } | ||
|
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| ArrayList<PathLayer> mPathLayers = new ArrayList<>(); | ||
|
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| void createLayers(float pos, boolean init) { | ||
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| int i = 0; | ||
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| for (double lat = -90; lat <= 90; lat += 5) { | ||
| List<GeoPoint> pts = new ArrayList<>(); | ||
|
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| for (double lon = -180; lon <= 180; lon += 2) { | ||
| //pts.add(new GeoPoint(lat, lon)); | ||
| double longitude = lon + (pos * 180); | ||
| if (longitude < -180) | ||
| longitude += 360; | ||
| if (longitude > 180) | ||
| longitude -= 360; | ||
|
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| double latitude = lat + (pos * 90); | ||
| if (latitude < -90) | ||
| latitude += 180; | ||
| if (latitude > 90) | ||
| latitude -= 180; | ||
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| latitude += Math.sin((Math.abs(pos) * (lon / Math.PI))); | ||
|
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| pts.add(new GeoPoint(latitude, longitude)); | ||
| } | ||
| PathLayer pathLayer; | ||
| if (init) { | ||
| int c = Color.fade(Color.rainbow((float) (lat + 90) / 180), 0.9f); | ||
|
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| LineStyle style = LineStyle.builder() | ||
| .stippleColor(c) | ||
| .stipple(24) | ||
| .stippleWidth(1) | ||
| .strokeWidth(12) | ||
| .strokeColor(c) | ||
| .fixed(true) | ||
| .texture(tex) | ||
| .build(); | ||
|
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| pathLayer = new PathLayer(mMap, style); | ||
|
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| mMap.layers().add(pathLayer); | ||
| mPathLayers.add(pathLayer); | ||
| } else { | ||
| pathLayer = mPathLayers.get(i++); | ||
| } | ||
|
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| pathLayer.setPoints(pts); | ||
| } | ||
|
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| } | ||
| } |
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