first_commit_heyu

BitmapUtil.java

@@ -0,0 +1,121 @@
+package com.facepp.api.test;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.os.Environment;
+import android.util.Base64;
+
+import java.io.BufferedOutputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+/**
+ * @author by licheng on 2017/8/8.
+ */
+
+public class BitmapUtil {
+
+    //将字符串转换成Bitmap类型
+    public static Bitmap stringtoBitmap(String string) {
+        Bitmap bitmap = null;
+        try {
+            byte[] bitmapArray;
+            bitmapArray = Base64.decode(string, Base64.DEFAULT);
+            bitmap = BitmapFactory.decodeByteArray(bitmapArray, 0, bitmapArray.length);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        return bitmap;
+    }
+
+    //将Bitmap转换成字符串
+    public static String bitmaptoString(Bitmap bitmap) {
+        String string;
+        ByteArrayOutputStream bStream = new ByteArrayOutputStream();
+        bitmap.compress(Bitmap.CompressFormat.PNG, 100, bStream);
+        byte[] bytes = bStream.toByteArray();
+        string = Base64.encodeToString(bytes, Base64.DEFAULT);
+        return string;
+    }
+
+    public static File saveBitmapFile(Bitmap bitmap) {
+        File file = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + "/temp.jpg");//将要保存图片的路径
+        try {
+            BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file));
+            bitmap.compress(Bitmap.CompressFormat.JPEG, 100, bos);
+            bos.flush();
+            bos.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+        return file;
+    }
+
+
+    public static byte[] toByteArray(Bitmap bitmap) {
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
+        return baos.toByteArray();
+    }
+
+    public static byte[] File2byte(String filePath) {
+        byte[] buffer = null;
+        try {
+            File file = new File(filePath);
+            FileInputStream fis = new FileInputStream(file);
+            ByteArrayOutputStream bos = new ByteArrayOutputStream();
+            byte[] b = new byte[1024];
+            int n;
+            while ((n = fis.read(b)) != -1) {
+                bos.write(b, 0, n);
+            }
+            fis.close();
+            bos.close();
+            buffer = bos.toByteArray();
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return buffer;
+    }
+
+    public static void byte2File(byte[] buf, String filePath) {
+        BufferedOutputStream bos = null;
+        FileOutputStream fos = null;
+        File file;
+        try {
+            File dir = new File(filePath);
+            if (!dir.exists() && dir.isDirectory()) {
+                dir.mkdirs();
+            }
+            file = new File(filePath);
+            fos = new FileOutputStream(file);
+            bos = new BufferedOutputStream(fos);
+            bos.write(buf);
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            if (bos != null) {
+                try {
+                    bos.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+            if (fos != null) {
+                try {
+                    fos.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+}