Android Open Source - Android-Photo-Cropper Crop Utils

• Back to Photo/crop  ↑

From Project

Back to project page Android-Photo-Cropper.

License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright 2014 CommonQ//from ww  w  .  ja  va 2s. c  o m
 *
 * 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.
 */
package com.commonq.library;

import java.io.File;
import java.io.FileNotFoundException;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;

public class CropUtils {

  public static final String TAG = "CropUtils";

  public static final int REQUEST_CROP = 312;
  public static final int REQUEST_CAMERA = 123;
  public static final int REQUEST_CAMERA_CROP = 213;

  public static final String CROP_CACHE_FILE_NAME = "cache_file.jpg";
  public static final String CROP_CACHE_CAMERA_NAME = "camera_file.jpg";

  public static Uri buildUri() {
    return Uri.fromFile(Environment.getExternalStorageDirectory())
        .buildUpon().appendPath(CROP_CACHE_FILE_NAME).build();
  }

  public static Uri buildCameraUri() {
    return Uri.fromFile(Environment.getExternalStorageDirectory())
        .buildUpon().appendPath(CROP_CACHE_CAMERA_NAME).build();
  }

  public static void handleResult(CropInterface handler, int requestCode,
      int resultCode, Intent data) {
    if (handler == null)
      return;

    if (resultCode == Activity.RESULT_CANCELED) {
      handler.onImageCanceled();
    } else if (resultCode == Activity.RESULT_OK) {
      CropConfig cropConfig = handler.getCropConfig();
      if (cropConfig == null) {
        handler.onImageFailed("CropUtils' params MUST NOT be null!");
        return;
      }
      switch (requestCode) {
      case REQUEST_CROP:
        Log.d(TAG, "Photo cropped successfully!");
        handler.onImageCropped(buildUri());
        break;
      case REQUEST_CAMERA:
        Intent intent = buildCropCameraIntent(
            "com.android.camera.action.CROP",
            handler.getCropConfig());
        Activity context = handler.getContext();
        if (context != null) {
          context.startActivityForResult(intent, REQUEST_CAMERA_CROP);
        } else {
          handler.onImageFailed("CropHandler's context MUST NOT be null!");
        }
        break;

      case REQUEST_CAMERA_CROP:
        Log.d(TAG, "Photo cropped successfully!");
        handler.onImageCropped(buildCameraUri());
        break;
      }
    }
  }

  public static boolean clearCachedCropFile(Uri uri) {
    if (uri == null)
      return false;

    File file = new File(uri.getPath());
    if (file.exists()) {
      boolean result = file.delete();
      if (result)
        Log.i(TAG, "Cached crop file cleared.");
      else
        Log.e(TAG, "Failed to clear cached crop file.");
      return result;
    } else {
      Log.w(TAG,
          "Trying to clear cached crop file but it does not exist.");
    }
    return false;
  }

  public static Intent buildCropFromGalleryIntent(CropConfig params) {
    return buildCropIntent(Intent.ACTION_PICK, params);
  }

  public static Intent buildCaptureIntent(Uri uri) {
    return new Intent(MediaStore.ACTION_IMAGE_CAPTURE).putExtra(
        MediaStore.EXTRA_OUTPUT, uri);
  }

  public static Intent buildCropIntent(String action, CropConfig params) {
    return new Intent(action, null)
        .setDataAndType(buildUri(), params.type)
        // .setType(params.type)
        .putExtra("crop", params.crop).putExtra("scale", params.scale)
        .putExtra("aspectX", params.aspectX)
        .putExtra("aspectY", params.aspectY)
        .putExtra("outputX", params.outputX)
        .putExtra("outputY", params.outputY)
        .putExtra("return-data", params.returnData)
        .putExtra("outputFormat", params.outputFormat)
        .putExtra("noFaceDetection", params.noFaceDetection)
        .putExtra("scaleUpIfNeeded", params.scaleUpIfNeeded)
        .putExtra(MediaStore.EXTRA_OUTPUT, buildUri());

  }

  public static Intent buildCropCameraIntent(String action, CropConfig params) {
    return new Intent(action, null)
        .setDataAndType(buildUri(), params.type)
        // .setType(params.type)
        .putExtra("crop", params.crop).putExtra("scale", params.scale)
        .putExtra("aspectX", params.aspectX)
        .putExtra("aspectY", params.aspectY)
        .putExtra("outputX", params.outputX)
        .putExtra("outputY", params.outputY)
        .putExtra("return-data", params.returnData)
        .putExtra("outputFormat", params.outputFormat)
        .putExtra("noFaceDetection", params.noFaceDetection)
        .putExtra("scaleUpIfNeeded", params.scaleUpIfNeeded)
        .putExtra(MediaStore.EXTRA_OUTPUT, buildCameraUri());

  }

  public static Bitmap decodeUriAsBitmap(Context context, Uri uri) {
    if (context == null || uri == null)
      return null;

    Bitmap bitmap;
    try {
      bitmap = BitmapFactory.decodeStream(context.getContentResolver()
          .openInputStream(uri));
    } catch (FileNotFoundException e) {
      e.printStackTrace();
      return null;
    }
    return bitmap;
  }
}

Java Source Code List

• Back to Photo/crop  ↑