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 # Curve-Fit
+Android library for drawing curves on Google Maps. This library uses Bezier cubic equation in order to compute all
+intermediate points of a curve.
+
+# Demo
+<p align="center" >
+<img src="https://github.com/sarweshkumar47/Curve-Fit/blob/master/images/sample_demo.gif" alt="demo" width="220" align="left" />
+<img src="https://github.com/sarweshkumar47/Curve-Fit/blob/master/images/sample_india.jpg" alt="sample_india" width="220"/>
+<img src="https://github.com/sarweshkumar47/Curve-Fit/blob/master/images/sample_denmark.jpg" alt="sample_denmark" width="220" align="right" /> </p>
+
+# Setup
+### Gradle
+```
+dependencies {
+    compile 'com.github.sarweshkumar47:curve-fit:1.0.0'
+}
+```
+  
+### Maven
+```
+<dependency>
+ <groupId>com.github.sarweshkumar47</groupId>
+ <artifactId>curve-fit</artifactId>
+ <version>1.0.0</version>
+ <type>pom</type>
+</dependency>
+```
+
+# Usage
+In your activity's onCreate() method, use ```getMapAsync()``` to register for the map callback. 
+Implement the ```OnMapReadyCallback``` interface and override the ```onMapReady()``` method
+
+```java
+@Override
+public void onMapReady(GoogleMap googleMap) {
+
+    // Create CurveManager object and pass googleMaps reference to it
+    curveManager = new CurveManager(googleMap);
+
+    // Register a callback to be invoked after curve is drawn on map
+    curveManager.setOnCurveDrawnCallback(this);
+    
+    // Set a listener for curve click events.
+    curveManager.setOnCurveClickListener(this);
+        
+    // Create a CurveOptions object and add atleast latlong points to it
+    // You can set different options in CurveOptions object similar to PolyLineOptions
+    CurveOptions curveOptions = new CurveOptions();
+    curveOptions.add(new LatLng(12.9715987, 77.5945627));
+    curveOptions.add(new LatLng(12.2958104, 76.6393805));
+    curveOptions.color(Color.DKGRAY);
+    curveOptions.setAlpha(0.5f);
+    curveOptions.width(12);
+    List<PatternItem> pattern = Arrays.asList(new Dash(30), new Gap(30));
+    curveOptions.pattern(pattern);
+    curveOptions.geodesic(false);
+
+    map.addMarker(new MarkerOptions().position(sourceLatLng).anchor(0.5f, 1f));
+    map.addMarker(new MarkerOptions().position(destinationLatLng).icon(BitmapDescriptorFactory
+            .defaultMarker(BitmapDescriptorFactory.HUE_GREEN)).anchor(0.5f, 1f));
+
+    map.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(12.64779202, 77.16562563), 14));
+    
+    // Draws curve asynchronously
+    curveManager.drawCurveAsync(curveOptions);
+}
+```
+
+Remove listeners in order to prevent memory leaks.
+``` java
+@Override
+protected void onDestroy() {
+    if (mapFragment != null) {
+        mapFragment.getMapAsync(null);
+        mapFragment = null;
+    }
+    if (curveManager != null) {
+        curveManager.unregister();
+        curveManager.setOnCurveDrawnCallback(null);
+        curveManager.setOnCurveClickListener(null);
+        curveManager = null;
+    }
+    super.onDestroy();
+}
+
+```
+Check example projects for more info.
+
+# Advanced usage
+
+### CurveOptions
+
+* __Alpha__
+```java 
+CurveOptions setAlpha(float alpha)
+```
+
+Defines shape and direction of the curve. Alpha range can vary from -1 to 1
+
+
+* __ComputePointsBasedOnScreenPixels__
+```java 
+CurveOptions setComputePointsBasedOnScreenPixels(boolean computePointsBasedOnPixels)
+```
+
+If set to ```true```, geographic location points will be converted to screen pixel points and algorithm uses screen pixel points
+to compute all curve points.
+
+# Contributions
+Contributions are welcome and much appreciated.
+
+# Credit
+### Icons and images
+* <div>Icons made by <a href="https://www.flaticon.com/authors/dinosoftlabs" title="DinosoftLabs">DinosoftLabs</a> from <a href="https://www.flaticon.com/" title="Flaticon">www.flaticon.com</a> is licensed by <a href="http://creativecommons.org/licenses/by/3.0/" title="Creative Commons BY 3.0" target="_blank">CC 3.0 BY</a></div>
+
+* https://upload.wikimedia.org/wikipedia/commons/d/d5/India_gate.jpg
+
+
+
+# License
+    Copyright 2018 Sarweshkumar C R
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.