Java Code Examples for android.media.ThumbnailUtils#extractThumbnail()

The following examples show how to use android.media.ThumbnailUtils#extractThumbnail() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: RoundableImageView.java From OpenGraphView with Apache License 2.0

6 votes

@Override
public void setImageBitmap(Bitmap bm) {
    super.setImageBitmap(bm);
    if (bm == null) {
        mPaint.reset();
        mPaint.setColor(ContextCompat.getColor(getContext(), android.R.color.transparent));
        invalidate();
        return;
    } else {
        mPaint.setColor(ContextCompat.getColor(getContext(), android.R.color.white));
    }

    Bitmap centerCroppedBitmap = ThumbnailUtils.extractThumbnail(bm, mSide, mSide);
    BitmapShader shader = new BitmapShader(centerCroppedBitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
    mPaint.setShader(shader);
}

Example 2

Source File: Classifier.java From Chinese-number-gestures-recognition with BSD 2-Clause "Simplified" License

6 votes

private float[] getPixels(Bitmap bitmap) {


        int[] intValues = new int[IMAGE_SIZE * IMAGE_SIZE];
        float[] floatValues = new float[IMAGE_SIZE * IMAGE_SIZE * 3];

        if (bitmap.getWidth() != IMAGE_SIZE || bitmap.getHeight() != IMAGE_SIZE) {
            // rescale the bitmap if needed
            bitmap = ThumbnailUtils.extractThumbnail(bitmap, IMAGE_SIZE, IMAGE_SIZE);
        }

        bitmap.getPixels(intValues,0, bitmap.getWidth(), 0, 0, bitmap.getWidth(), bitmap.getHeight());

        for (int i = 0; i < intValues.length; ++i) {
            final int val = intValues[i];
            floatValues[i * 3] = Color.red(val) / 255.0f;
            floatValues[i * 3 + 1] = Color.green(val) / 255.0f;
            floatValues[i * 3 + 2] = Color.blue(val) / 255.0f;
        }
        return floatValues;
    }

Example 3

Source File: BitmapUtils.java From Viewer with Apache License 2.0

6 votes

/**
 * 获取图片缩略图
 */
public static Bitmap getPictureImage(String urlPath) {
	Bitmap bitmap = null;
	BitmapFactory.Options options = new BitmapFactory.Options();
	options.inJustDecodeBounds = true;
	bitmap = BitmapFactory.decodeFile(urlPath, options);
	options.inJustDecodeBounds = false;
	int h = options.outHeight;
	int w = options.outWidth;
	int beWidth = w / 100;
	int beHeight = h / 80;
	int be = 1;
	if (beWidth < beHeight) {
		be = beWidth;
	} else {
		be = beHeight;
	}
	if (be <= 0) {
		be = 1;
	}
	options.inSampleSize = be;
	bitmap = BitmapFactory.decodeFile(urlPath, options);
	bitmap = ThumbnailUtils.extractThumbnail(bitmap, 100, 80,ThumbnailUtils.OPTIONS_RECYCLE_INPUT);
	return bitmap;
}

Example 4

Source File: CircleImageView.java From Pasta-Music with Apache License 2.0

5 votes

@Override
public void onDraw(Canvas canvas) {
    Bitmap image = ImageUtils.drawableToBitmap(getDrawable());
    if (image != null) {
        int size = Math.min(getWidth(), getHeight());
        image = ThumbnailUtils.extractThumbnail(image, size, size);

        RoundedBitmapDrawable roundedBitmapDrawable = RoundedBitmapDrawableFactory.create(getResources(), image);

        roundedBitmapDrawable.setCornerRadius(size / 2);
        roundedBitmapDrawable.setAntiAlias(true);

        canvas.drawBitmap(ImageUtils.drawableToBitmap(roundedBitmapDrawable), 0, 0, paint);
    }
}

Example 5

Source File: FermiPlayerUtils.java From FimiX8-RE with MIT License

5 votes

public static Bitmap createVideoThumbnail(String filePath, int width, int height, int offsetMillSecond) {
    Bitmap bitmap = createVideoThumbnail(filePath, offsetMillSecond);
    if (bitmap != null) {
        return ThumbnailUtils.extractThumbnail(bitmap, width, height);
    }
    return bitmap;
}

Example 6

Source File: CameraAty.java From LLApp with Apache License 2.0

5 votes

@Override
public void onAnimtionEnd(Bitmap bm,boolean isVideo) {
	if(bm!=null){
		//生成缩略图
		Bitmap thumbnail=ThumbnailUtils.extractThumbnail(bm, 213, 213);
		mThumbView.setImageBitmap(thumbnail);
		if(isVideo)
			mVideoIconView.setVisibility(View.VISIBLE);
		else {
			mVideoIconView.setVisibility(View.GONE);
		}
	}
}

Example 7

Source File: AppIconView.java From Cleaner with Apache License 2.0

5 votes

private Bitmap getRoundBitmap(@DrawableRes int drawable, int size) {
    Bitmap bitmap = ImageUtils.drawableToBitmap(ContextCompat.getDrawable(getContext(), drawable));
    bitmap = Bitmap.createBitmap(bitmap, bitmap.getWidth() / 6, bitmap.getHeight() / 6, (int) (0.666 * bitmap.getWidth()), (int) (0.666 * bitmap.getHeight()));
    bitmap = ThumbnailUtils.extractThumbnail(bitmap, size, size);

    RoundedBitmapDrawable roundedBitmapDrawable = RoundedBitmapDrawableFactory.create(getResources(), bitmap);

    roundedBitmapDrawable.setCornerRadius(size / 2);
    roundedBitmapDrawable.setAntiAlias(true);

    return ImageUtils.drawableToBitmap(roundedBitmapDrawable);
}

Example 8

Source File: BitmapLoader.java From aurora-imui with MIT License

5 votes

public static Bitmap compressBySize(String pathName, int targetWidth, int targetHeight) {
    BitmapFactory.Options opts = new BitmapFactory.Options();
    opts.inJustDecodeBounds = true;// 不去真的解析图片，只是获取图片的头部信息，包含宽高等；
    BitmapFactory.decodeFile(pathName, opts);
    // 得到图片的宽度、高度；
    int imgWidth = opts.outWidth;
    int imgHeight = opts.outHeight;
    // 分别计算图片宽度、高度与目标宽度、高度的比例；取大于等于该比例的最小整数；
    int widthRatio = (int) Math.ceil(imgWidth / (float) targetWidth);
    int heightRatio = (int) Math.ceil(imgHeight / (float) targetHeight);
    int ratio = 1;
    if (widthRatio < heightRatio) {
        ratio = widthRatio;
    } else {
        ratio = heightRatio;
    }
    if (ratio <= 0) {
        ratio = 1;
    }
    opts.inSampleSize = ratio;
    // 设置好缩放比例后，加载图片进内容；
    opts.inJustDecodeBounds = false;
    Bitmap bitmap = BitmapFactory.decodeFile(pathName, opts);
    bitmap = ThumbnailUtils.extractThumbnail(bitmap, targetWidth, targetHeight,
            ThumbnailUtils.OPTIONS_RECYCLE_INPUT);
    return bitmap;
}

Example 9

Source File: ImageUtil.java From AndroidGodEye with Apache License 2.0

5 votes

public static String convertToBase64(Bitmap bitmap, int maxWidth, int maxHeight) {
        if (bitmap == null) {
            return null;
        }
        long startTime = System.currentTimeMillis();
        int[] targetSize = computeTargetSize(bitmap, maxWidth, maxHeight);
        // 10-100ms量级
        Bitmap thumbnail = ThumbnailUtils.extractThumbnail(bitmap, targetSize[0], targetSize[1]);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        thumbnail.compress(Bitmap.CompressFormat.PNG, 100, baos);
        String result = Base64.encodeToString(baos.toByteArray(), Base64.DEFAULT);
//        L.d("ImageUtil.convertToBase64 cost %s ms", (System.currentTimeMillis() - startTime));
        return result;
    }

Example 10

Source File: ImageUtils.java From LLApp with Apache License 2.0

5 votes

public static Bitmap getVideoThumbnail(String var0, int var1, int var2, int var3) {
		Bitmap var4 = null;
		var4 = ThumbnailUtils.createVideoThumbnail(var0, var3);
//		EMLog.d("getVideoThumbnail", "video thumb width:" + var4.getWidth());
//		EMLog.d("getVideoThumbnail", "video thumb height:" + var4.getHeight());
		var4 = ThumbnailUtils.extractThumbnail(var4, var1, var2, 2);
		return var4;
	}

Example 11

Source File: CameraContainer.java From LLApp with Apache License 2.0

5 votes

/**
 * 保存图片
 * @param
 * @return 解析流生成的缩略图
 */
public Bitmap save(byte[] data){
	if(data!=null){
		//解析生成相机返回的图片
		Bitmap bm=BitmapFactory.decodeByteArray(data, 0, data.length);
		//获取加水印的图片
		bm=getBitmapWithWaterMark(bm);
		//生成缩略图
		Bitmap thumbnail=ThumbnailUtils.extractThumbnail(bm, 213, 213);
		//产生新的文件名
		String imgName=FileOperateUtil.createFileNmae(".jpg");
		String imagePath=mImageFolder+File.separator+imgName;
		String thumbPath=mThumbnailFolder+File.separator+imgName;

		File file=new File(imagePath);  
		File thumFile=new File(thumbPath);
		try{
			//存图片大图
			FileOutputStream fos=new FileOutputStream(file);
			ByteArrayOutputStream bos=compress(bm);
			fos.write(bos.toByteArray());
			fos.flush();
			fos.close();
			//存图片小图
			BufferedOutputStream bufferos=new BufferedOutputStream(new FileOutputStream(thumFile));
			thumbnail.compress(Bitmap.CompressFormat.JPEG, 50, bufferos);
			bufferos.flush();
			bufferos.close();
			return bm; 
		}catch(Exception e){
			Log.e(TAG, e.toString());
			Toast.makeText(getContext(), "解析相机返回流失败", Toast.LENGTH_SHORT).show();

		}
	}else{
		Toast.makeText(getContext(), "拍照失败，请重试", Toast.LENGTH_SHORT).show();
	}
	return null;
}

Example 12

Source File: FermiPlayerUtils.java From FimiX8-RE with MIT License

5 votes

public static Bitmap createVideoThumbnail(String filePath, int width, int height) {
    Bitmap bp = createVideoThumbnail(filePath);
    if (bp != null) {
        return ThumbnailUtils.extractThumbnail(bp, width, height);
    }
    return bp;
}

Example 13

Source File: FermiPlayerUtils.java From FimiX8-RE with MIT License

5 votes

public static Bitmap createVideoThumbnail(String filePath, int width, int height) {
    Bitmap bp = createVideoThumbnail(filePath);
    if (bp != null) {
        return ThumbnailUtils.extractThumbnail(bp, width, height);
    }
    return bp;
}

Example 14

Source File: MyService.java From wallpaper with GNU General Public License v2.0

4 votes

@SuppressLint("ServiceCast")
public void run() {
	while (flag) {

		try {
			// Thread.sleep(30000);
			Random random = new Random();
			int number = random.nextInt(urlStrings.length);
			byte[] data = readInputStream(new URL(urlStrings[number]).openStream());
			if (data.length>0 && data.length<50) {
				data = readInputStream(new URL(urlStrings[number].replace("720x1280", "640x960")).openStream());
			}else if(data==null || data.length==0){
				number = random.nextInt(urlStrings.length);
				data = readInputStream(new URL(urlStrings[number]).openStream());
			}
			Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
			Log.i("kyson", bitmap.getWidth() + "========");
			WallpaperManager wpm = (WallpaperManager) getSystemService(WALLPAPER_SERVICE);
			WindowManager wm = (WindowManager) WallWrapperApplication.getContext().getSystemService(Context.WINDOW_SERVICE);
			@SuppressWarnings("deprecation")
			int width = wm.getDefaultDisplay().getWidth();
			@SuppressWarnings("deprecation")
			int height = wm.getDefaultDisplay().getHeight();
			wpm.suggestDesiredDimensions(width, height);
			Bitmap bitmap2 = ThumbnailUtils.extractThumbnail(bitmap, width, height);
			WallpaperManager.getInstance(WallWrapperApplication.getContext()).setBitmap(bitmap2);
			Thread.sleep(60000);

		} catch (Exception ex) {
			ex.printStackTrace();
		}

		/*
		 * try { Thread.sleep(3000);
		 * 
		 * String fileString =
		 * WallWrapperApplication.getContext().getExternalFilesDir
		 * (Environment.DIRECTORY_DCIM).getPath(); File files = new
		 * File(fileString); Random r = new Random(); if
		 * (files.isDirectory()) { int nums = files.listFiles().length;
		 * if (nums > 0) { int i = r.nextInt(nums); try {
		 * FileInputStream fis = new
		 * FileInputStream(files.listFiles()[i]); WallpaperManager wpm =
		 * (WallpaperManager) getSystemService(WALLPAPER_SERVICE);
		 * WindowManager wm = (WindowManager)
		 * WallWrapperApplication.getContext
		 * ().getSystemService(Context.WINDOW_SERVICE);
		 * 
		 * @SuppressWarnings("deprecation") int width =
		 * wm.getDefaultDisplay().getWidth();
		 * 
		 * @SuppressWarnings("deprecation") int height =
		 * wm.getDefaultDisplay().getHeight();
		 * wpm.suggestDesiredDimensions(width, height);
		 * 
		 * @SuppressWarnings("deprecation") BitmapDrawable pic = new
		 * BitmapDrawable(fis); Bitmap bitmap = pic.getBitmap(); bitmap
		 * = ThumbnailUtils.extractThumbnail(bitmap, width, height);
		 * WallpaperManager
		 * .getInstance(WallWrapperApplication.getContext
		 * ()).setBitmap(bitmap); } catch (FileNotFoundException e) {
		 * e.printStackTrace(); } catch (IOException e) {
		 * e.printStackTrace(); } } }
		 * 
		 * } catch (Exception ex) { ex.printStackTrace(); }
		 */
	}
}

Example 15

Source File: AppIconView.java From Alarmio with Apache License 2.0

4 votes

private Bitmap getBitmap(int size, @DrawableRes int resource) {
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inScaled = false;
    return ThumbnailUtils.extractThumbnail(BitmapFactory.decodeResource(getResources(), resource, options), size, size);
}

Example 16

Source File: ImageListAdapter.java From PLDroidShortVideo with Apache License 2.0

4 votes

private Bitmap getImageThumbnail(Bitmap bitmap) {
    return ThumbnailUtils.extractThumbnail(bitmap, 320, 320, OPTIONS_RECYCLE_INPUT);
}

Example 17

Source File: RxImageTool.java From RxTools-master with Apache License 2.0

4 votes

public static Bitmap getThumb(Bitmap source, int width, int height) {
    return ThumbnailUtils.extractThumbnail(source, width, height);
}

Example 18

Source File: BlurUtil.java From anroid-image-blur with Apache License 2.0

3 votes

/**
 * 对图片进行 毛玻璃化，虚化
 * @param originBitmap 位图
 * @param width 缩放后的期望宽度
 * @param height 缩放后的期望高度
 * @param blurRadius 虚化程度
 * @return 位图
 */
public static Bitmap doBlur(Bitmap originBitmap,int width,int height,int blurRadius){
    Bitmap thumbnail = ThumbnailUtils.extractThumbnail(originBitmap, width, height);
    Bitmap blurBitmap = doBlur(thumbnail, blurRadius, true);
    thumbnail.recycle();
    return blurBitmap;
}

Example 19

Source File: MediaStoreUtils.java From BigApp_WordPress_Android with Apache License 2.0

3 votes

/**
 * 获取视频的缩略图 先通过ThumbnailUtils来创建一个视频的缩略图，然后再利用ThumbnailUtils来生成指定大小的缩略图。
 * 如果想要的缩略图的宽和高都小于MICRO_KIND，则类型要使用MICRO_KIND作为kind的值，这样会节省内存。
 * 
 * @param videoPath
 *            视频的路径
 * @param width
 *            指定输出视频缩略图的宽度
 * @param height
 *            指定输出视频缩略图的高度度
 * @param kind
 *            参照MediaStore.Images.Thumbnails类中的常量MINI_KIND和MICRO_KIND。
 *            其中，MINI_KIND: 512 x 384，MICRO_KIND: 96 x 96
 * @return 指定大小的视频缩略图
 */
public static Bitmap getVideoThumbnail(String videoPath, int width,
		int height, int kind) {
	Bitmap bitmap = null;
	bitmap = ThumbnailUtils.createVideoThumbnail(videoPath, kind);
	if (width > 0 && height > 0) {
		bitmap = ThumbnailUtils.extractThumbnail(bitmap, width, height,
				ThumbnailUtils.OPTIONS_RECYCLE_INPUT);
	}
	return bitmap;
}

Example 20

Source File: HxChatPresenter.java From FamilyChat with Apache License 2.0

3 votes

/**
 * 获取视频的缩略图
 * 先通过ThumbnailUtils来创建一个视频的缩略图，然后再利用ThumbnailUtils来生成指定大小的缩略图。
 * 如果想要的缩略图的宽和高都小于MICRO_KIND，则类型要使用MICRO_KIND作为kind的值，这样会节省内存。
 *
 * @param videoPath 视频的路径
 * @param width     指定输出视频缩略图的宽度
 * @param height    指定输出视频缩略图的高度度
 * @param kind      参照MediaStore.Images.Thumbnails类中的常量MINI_KIND和MICRO_KIND。
 *                  其中，MINI_KIND: 512 x 384，MICRO_KIND: 96 x 96
 * @return 指定大小的视频缩略图
 */
private Bitmap createVideoThumbBitmap(String videoPath, int width, int height, int kind)
{
    Bitmap bitmap = null;
    // 获取视频的缩略图
    bitmap = ThumbnailUtils.createVideoThumbnail(videoPath, kind);
    bitmap = ThumbnailUtils.extractThumbnail(bitmap, width, height,
            ThumbnailUtils.OPTIONS_RECYCLE_INPUT);
    return bitmap;
}