iOS: add POT textures test (#443)

vtm-ios-example/build.gradle

@@ -29,6 +29,7 @@ dependencies {
     implementation project(':vtm-gdx')
     implementation project(':vtm-jts')
     implementation project(':vtm-ios')
+    implementation project(':vtm-themes')
     implementation "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-ios"
     implementation "com.badlogicgames.gdx:gdx-backend-robovm:$gdxVersion"
     implementation "com.mobidevelop.robovm:robovm-rt:$roboVMVersion"

vtm-ios-example/src/org/oscim/ios/test/ExampleLauncher.java

@@ -38,11 +38,12 @@ public class ExampleLauncher extends IOSApplication.Delegate {
         float scale = (float) (getIosVersion() >= 8 ? UIScreen.getMainScreen().getNativeScale() : UIScreen.getMainScreen().getScale());
         CanvasAdapter.dpi *= scale;
 
-        IOSMapApp iosMapApp = new IOSMapApp();
-//        IOSLineTexTest iosMapApp = new IOSLineTexTest();
-//        IOSMapAppCluster iosMapApp = new IOSMapAppCluster();
+//        IOSMapApp iosMapApp = new IOSMapApp();
+//        IOSPathLayerTest iosMapApp = new IOSPathLayerTest();
+        IOSLineTexBucketTest iosMapApp = new IOSLineTexBucketTest();
 
 
+        // iOS needs POT textures for drawing lines with texture
         Parameters.POT_TEXTURES = true;
         iosMapApp.init();
 

vtm-ios-example/src/org/oscim/ios/test/IOSLineTexBucketTest.java

@@ -0,0 +1,118 @@
+/*
+ * Copyright 2017 Longri
+ *
+ * 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.ios.test;
+
+import org.oscim.backend.CanvasAdapter;
+import org.oscim.backend.GLAdapter;
+import org.oscim.core.GeometryBuffer;
+import org.oscim.core.Tag;
+import org.oscim.core.TagSet;
+import org.oscim.gdx.GdxAssets;
+import org.oscim.gdx.GdxMap;
+import org.oscim.ios.backend.IosGL;
+import org.oscim.ios.backend.IosGraphics;
+import org.oscim.layers.GenericLayer;
+import org.oscim.renderer.BucketRenderer;
+import org.oscim.renderer.GLViewport;
+import org.oscim.renderer.MapRenderer;
+import org.oscim.renderer.bucket.LineTexBucket;
+import org.oscim.renderer.bucket.TextureItem;
+import org.oscim.theme.IRenderTheme;
+import org.oscim.theme.ThemeLoader;
+import org.oscim.theme.VtmThemes;
+import org.oscim.theme.styles.LineStyle;
+import org.oscim.theme.styles.RenderStyle;
+
+import java.io.IOException;
+
+public class IOSLineTexBucketTest extends GdxMap {
+
+    public static void init() {
+        // init globals
+        IosGraphics.init();
+        GdxAssets.init("assets/");
+        GLAdapter.init(new IosGL());
+    }
+
+    GeometryBuffer mLine = new GeometryBuffer(2, 1);
+
+    LineTest l = new LineTest();
+
+    @Override
+    public void createLayers() {
+        MapRenderer.setBackgroundColor(0xffffffff);
+
+        mMap.setMapPosition(0, 0, 1 << 4);
+
+        GeometryBuffer g = mLine;
+        g.startLine();
+        g.addPoint(-100, 0);
+        g.addPoint(100, 0);
+
+        addLines(l);
+
+        mMap.layers().add(new GenericLayer(mMap, l));
+    }
+
+    void addLines(LineTest l) {
+
+        GeometryBuffer g = mLine;
+        LineStyle lineStyle;
+        TextureItem tex = null;
+
+        try {
+            tex = new TextureItem(CanvasAdapter.getBitmapAsset("", "patterns/pike.png"));
+            tex.mipmap = true;
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+
+        IRenderTheme t = ThemeLoader.load(VtmThemes.DEFAULT);
+
+        TagSet tags = new TagSet();
+        tags.add(new Tag("highway", null));
+        tags.add(new Tag("oneway", "yes"));
+
+        RenderStyle[] ri = t.matchElement(GeometryBuffer.GeometryType.LINE, tags, 16);
+
+        lineStyle = (LineStyle) ri[0];
+
+        LineTexBucket lt = l.buckets.getLineTexBucket(20);
+        lt.line = lineStyle;
+        lt.addLine(g.translate(0, 10.5f));
+
+    }
+
+    class LineTest extends BucketRenderer {
+
+        public LineTest() {
+            mMapPosition.scale = 0;
+        }
+
+        @Override
+        public synchronized void update(GLViewport v) {
+            if (mMapPosition.scale == 0)
+                mMapPosition.copy(v.pos);
+
+            if (!isReady()) {
+                compile();
+            }
+        }
+    }
+
+}

vtm-ios-example/src/org/oscim/ios/test/IOSPathLayerTest.java

@@ -40,7 +40,7 @@ import org.oscim.utils.Utils;
 import java.util.ArrayList;
 import java.util.List;
 
-public class IOSLineTexTest extends GdxMap {
+public class IOSPathLayerTest extends GdxMap {
 
     public static void init() {
         // init globals
@@ -91,12 +91,6 @@ public class IOSLineTexTest extends GdxMap {
             List<GeoPoint> pts = new ArrayList<>();
 
             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;
                 double longitude = lon;
 
                 double latitude = lat + (pos * 90);