增加了配置文件功能

Lowpoly/settings.gradle

@@ -0,0 +1,2 @@
+rootProject.name = 'Lowpoly'
+

Lowpoly/src/main/java/com/zzhoujay/lowpoly/Configuration.java

@@ -0,0 +1,41 @@
+package com.zzhoujay.lowpoly;
+
+/**
+ * Created by zhou on 2017/5/14.
+ */
+public class Configuration {
+
+    public static final int DEFAULT_ACCURACY = 50;
+    public static final float DEFAULT_SCALE = 1;
+    public static final boolean DEFAULT_FILL = true;
+    public static final String DEFAULT_FORMAT = "png";
+    public static final boolean DEFAULT_ANTI_ALIASING = false;
+    public static final int DEFAULT_POINT_COUNT = 300;
+
+    public static final String ACCURACY = "accuracy";
+    public static final String SCALE = "scale";
+    public static final String FILL = "fill";
+    public static final String FORMAT = "format";
+    public static final String ANTI_ALIASING = "antiAliasing";
+    public static final String POINT_COUNT = "pointCount";
+
+    public final int accuracy;
+    public final float scale;
+    public final boolean fill;
+    public final String format;
+    public final boolean antiAliasing;
+    public final int pointCount;
+
+    public Configuration() {
+        this(DEFAULT_ACCURACY, DEFAULT_SCALE, DEFAULT_FILL, DEFAULT_FORMAT, DEFAULT_ANTI_ALIASING, DEFAULT_POINT_COUNT);
+    }
+
+    public Configuration(int accuracy, float scale, boolean fill, String format, boolean antiAliasing, int pointCount) {
+        this.accuracy = accuracy;
+        this.scale = scale;
+        this.fill = fill;
+        this.format = format;
+        this.antiAliasing = antiAliasing;
+        this.pointCount = pointCount;
+    }
+}

src/main/java/com/zzhoujay/lowpoly/LowPoly.java → Lowpoly/src/main/java/com/zzhoujay/lowpoly/LowPoly.java

@@ -16,8 +16,8 @@
  */
 public final class LowPoly {
 
-    public static void generate(InputStream inputStream, OutputStream outputStream) throws IOException {
-        generate(inputStream, outputStream, 50, 1, true, "png", false, 300);
+    public static void generate(InputStream inputStream, OutputStream outputStream, Configuration configuration) throws IOException {
+        generate(inputStream, outputStream, configuration.accuracy, configuration.scale, configuration.fill, configuration.format, configuration.antiAliasing, configuration.pointCount);
     }
 
     /**

Lowpoly/src/main/java/com/zzhoujay/lowpoly/Simple.java

@@ -0,0 +1,69 @@
+package com.zzhoujay.lowpoly;
+
+import java.io.*;
+import java.util.Properties;
+
+/**
+ * Created by zhou on 16-5-12.
+ */
+public class Simple {
+
+    public static void main(String[] args) throws IOException {
+        if (args.length <= 0) {
+            return;
+        }
+        if (args.length == 1) {
+            FileOutputStream fileOutputStream = new FileOutputStream(args[0]);
+            createConfiguration(fileOutputStream);
+            System.out.println("默认配置文件已创建");
+            return;
+        }
+        String in = args[0];
+        String out = args[1];
+        File inFile = new File(in);
+        if (inFile.exists()) {
+            File outFile = new File(out);
+            FileInputStream inputStream = new FileInputStream(inFile);
+            FileOutputStream outputStream = new FileOutputStream(outFile);
+            long lastTime = System.currentTimeMillis();
+            Configuration configuration;
+            if (args.length >= 3) {
+                FileInputStream fileInputStream = new FileInputStream(args[2]);
+                configuration = loadConfiguration(fileInputStream);
+            } else {
+                configuration = new Configuration();
+            }
+
+            LowPoly.generate(inputStream, outputStream, configuration);
+            System.out.println("目标已保存至:" + outFile.getAbsolutePath());
+            System.out.println("用时:" + (System.currentTimeMillis() - lastTime));
+        } else {
+            System.out.println("源文件不存在");
+        }
+    }
+
+    private static void createConfiguration(OutputStream outputStream) throws IOException {
+        Properties properties = new Properties();
+        properties.setProperty(Configuration.ACCURACY, String.valueOf(Configuration.DEFAULT_ACCURACY));
+        properties.setProperty(Configuration.SCALE, String.valueOf(Configuration.DEFAULT_SCALE));
+        properties.setProperty(Configuration.FILL, String.valueOf(Configuration.DEFAULT_FILL));
+        properties.setProperty(Configuration.FORMAT, Configuration.DEFAULT_FORMAT);
+        properties.setProperty(Configuration.ANTI_ALIASING, String.valueOf(Configuration.DEFAULT_ANTI_ALIASING));
+        properties.setProperty(Configuration.POINT_COUNT, String.valueOf(Configuration.DEFAULT_POINT_COUNT));
+        properties.store(outputStream, "default");
+    }
+
+    private static Configuration loadConfiguration(InputStream inputStream) throws IOException {
+        Properties properties = new Properties();
+        properties.load(inputStream);
+
+        String accuracy = properties.getProperty(Configuration.ACCURACY, String.valueOf(Configuration.DEFAULT_ACCURACY));
+        String scale = properties.getProperty(Configuration.SCALE, String.valueOf(Configuration.DEFAULT_SCALE));
+        String fill = properties.getProperty(Configuration.FILL, String.valueOf(Configuration.DEFAULT_FILL));
+        String format = properties.getProperty(Configuration.FORMAT, Configuration.DEFAULT_FORMAT);
+        String antiAliasing = properties.getProperty(Configuration.ANTI_ALIASING, String.valueOf(Configuration.DEFAULT_ANTI_ALIASING));
+        String pointCount = properties.getProperty(Configuration.POINT_COUNT, String.valueOf(Configuration.DEFAULT_POINT_COUNT));
+
+        return new Configuration(Integer.valueOf(accuracy), Float.valueOf(scale), Boolean.valueOf(fill), format, Boolean.valueOf(antiAliasing), Integer.valueOf(pointCount));
+    }
+}