android.graphics.Bitmap.copy()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
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本文整理了Java中android.graphics.Bitmap.copy()方法的一些代码示例，展示了Bitmap.copy()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Bitmap.copy()方法的具体详情如下：
包路径：android.graphics.Bitmap
类名称：Bitmap
方法名：copy

Bitmap.copy介绍

暂无

代码示例

代码示例来源：origin: chentao0707/SimplifyReader

public static Bitmap doBlurJniArray(Bitmap sentBitmap, int radius, boolean canReuseInBitmap) {
  Bitmap bitmap;
  if (canReuseInBitmap) {
    bitmap = sentBitmap;
  } else {
    bitmap = sentBitmap.copy(sentBitmap.getConfig(), true);
  }
  if (radius < 1) {
    return (null);
  }
  int w = bitmap.getWidth();
  int h = bitmap.getHeight();
  int[] pix = new int[w * h];
  bitmap.getPixels(pix, 0, w, 0, 0, w, h);
  // Jni array calculate
  ImageBlur.blurIntArray(pix, w, h, radius);
  bitmap.setPixels(pix, 0, w, 0, 0, w, h);
  return (bitmap);
}

代码示例来源：origin: stackoverflow.com

Bitmap base = source.copy(Config.ARGB_8888, true);
Bitmap blend = layer.copy(Config.ARGB_8888, false);
IntBuffer buffBase = IntBuffer.allocate(base.getWidth() * base.getHeight());
base.copyPixelsToBuffer(buffBase);
buffBase.rewind();
IntBuffer buffBlend = IntBuffer.allocate(blend.getWidth() * blend.getHeight());
blend.copyPixelsToBuffer(buffBlend);
buffBlend.rewind();
IntBuffer buffOut = IntBuffer.allocate(base.getWidth() * base.getHeight());
buffOut.rewind();

代码示例来源：origin: scola/Qart

public static Bitmap ProductEmbed(String txt, Bitmap input, boolean colorful, int color, int x, int y, Bitmap originBitmap){
  int originalSize = input.getWidth();
  Bitmap qrBitmap = Product(txt, input, colorful, color);
  double newScale = 1.0 * originalSize * scaleQR / (qrBitmap.getWidth() - 2 * 4 * scaleQR);
  int targetSize = qrBitmap.getWidth() * originalSize / (qrBitmap.getWidth() - 2 * 4 * scaleQR);
  qrBitmap = resizeQuiteZone(qrBitmap, newScale); //it does not match QR spec to cut the qr quiet zone
  qrBitmap = Bitmap.createScaledBitmap(qrBitmap, targetSize, targetSize, false);
  originBitmap = originBitmap.copy(Bitmap.Config.ARGB_8888, true);
  Canvas canvas = new Canvas(originBitmap);
  canvas.drawBitmap(qrBitmap, x - (int) (4 * newScale), y - (int) (4 * newScale), null);
  return originBitmap;
}

代码示例来源：origin: stackoverflow.com

// Setup to get a mutable bitmap less than 40 Kbytes
 String path = "someSmallImage.jpg";
 Bitmap bm0 = BitmapFactory.decodeFile(path);
 // Need it mutable to change height
 Bitmap bm1 = bm0.copy(bm0.getConfig(), true);
 // Chop it to get a size less than 40K
 bm1.setHeight(bm1.getHeight() / 32);
 // Now we have a BitMap with size < 40K for the test
 Bitmap bm2 = bm1.copy(bm0.getConfig(), true);
 // What's the parcel size?
 Parcel p1 = Parcel.obtain();
 bm2.writeToParcel(p1, 0);
 // Expect byteCount and allocatedByteCount to be the same
 Log.i("Demo", String.format("byteCount=%d allocatedByteCount=%d parcelDataSize=%d",
     bm2.getByteCount(), bm2.getAllocationByteCount(), p1.dataSize()));
 // Resize to make byteCount and allocatedByteCount different
 bm2.setHeight(bm2.getHeight() / 4);
 // What's the parcel size?
 Parcel p2 = Parcel.obtain();
 bm2.writeToParcel(p2, 0);
 // Show that byteCount determines size of data written to parcel
 Log.i("Demo", String.format("byteCount=%d allocatedByteCount=%d parcelDataSize=%d",
     bm2.getByteCount(), bm2.getAllocationByteCount(), p2.dataSize()));
 p1.recycle();
 p2.recycle();

代码示例来源：origin: TheFinestArtist/FinestWebView-Android

public static Bitmap getColoredBitmap(@NonNull Bitmap bitmap, @ColorInt int color) {
 int alpha = Color.alpha(color);
 int red = Color.red(color);
 int green = Color.green(color);
 int blue = Color.blue(color);
 int[] pixels = new int[bitmap.getWidth() * bitmap.getHeight()];
 bitmap.getPixels(pixels, 0, bitmap.getWidth(), 0, 0, bitmap.getWidth(), bitmap.getHeight());
 for (int i = 0; i < pixels.length; i++) {
  int pixel = pixels[i];
  int pixelAlpha = Color.alpha(pixel);
  if (pixelAlpha != 0) {
   pixels[i] = Color.argb((int) (pixelAlpha * alpha / 256f), red, green, blue);
  }
 }
 Bitmap coloredBitmap = bitmap.copy(Bitmap.Config.ARGB_8888, true);
 coloredBitmap.setPixels(pixels, 0, bitmap.getWidth(), 0, 0, bitmap.getWidth(),
   bitmap.getHeight());
 return coloredBitmap;
}

代码示例来源：origin: stackoverflow.com

Bitmap base = source.copy(Config.ARGB_8888, true);
Bitmap blend = layer.copy(Config.ARGB_8888, false);
IntBuffer buffBase = IntBuffer.allocate(base.getWidth() * base.getHeight());
base.copyPixelsToBuffer(buffBase);
buffBase.rewind();
IntBuffer buffBlend = IntBuffer.allocate(blend.getWidth() * blend.getHeight());
blend.copyPixelsToBuffer(buffBlend);
buffBlend.rewind();
IntBuffer buffOut = IntBuffer.allocate(base.getWidth() * base.getHeight());
buffOut.rewind();

代码示例来源：origin: stackoverflow.com

SeekBar timerBar = (SeekBar) findViewById(R.id.seekBarTimer);
 if (timerBar != null) {
   timerBar.setMax((int) (Settings.countdownSeconds + 1));
   timerBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
     @Override
     public void onStopTrackingTouch(SeekBar arg0) {
     }
     @Override
     public void onStartTrackingTouch(SeekBar arg0) {
     }
     @Override
     public void onProgressChanged(SeekBar timerBar, int arg1, boolean arg2) {
       Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.seek_thumb);
       Bitmap bmp = bitmap.copy(Bitmap.Config.ARGB_8888, true);
       Canvas c = new Canvas(bmp);
       String text = Integer.toString(timerBar.getProgress());
       Paint p = new Paint();
       p.setTypeface(Typeface.DEFAULT_BOLD);
       p.setTextSize(14);
       p.setColor(0xFFFFFFFF);
       int width = (int) p.measureText(text);
       int yPos = (int) ((c.getHeight() / 2) - ((p.descent() + p.ascent()) / 2));
       c.drawText(text, (bmp.getWidth()-width)/2, yPos, p);
       timerBar.setThumb(new BitmapDrawable(getResources(), bmp));
     }
   });
   timerBar.setProgress(0);
 }

代码示例来源：origin: stackoverflow.com

Bitmap bitmap = b.copy(Bitmap.Config.ARGB_8888, true);
Bitmap sbmp;
if (bmp.getWidth() != radius || bmp.getHeight() != radius) {
  float smallest = Math.min(bmp.getWidth(), bmp.getHeight());
  float factor = smallest / radius;
  sbmp = Bitmap.createScaledBitmap(bmp,
      (int) (bmp.getWidth() / factor),
      (int) (bmp.getHeight() / factor), false);
} else {
  sbmp = bmp;

代码示例来源：origin: stackoverflow.com

Bitmap bitmap = BitmapFactory.decodeResource(
     getResources(), com.cinchvalet.app.client.R.drawable.slider_pop_counter);
 Bitmap bmp = bitmap.copy(Bitmap.Config.ARGB_8888, true);
 Canvas c = new Canvas(bmp);
 String text = "Your text";
 Paint p = new Paint();
 p.setTypeface(Typeface.DEFAULT_BOLD);
 p.setTextSize(35);
 p.setColor(getResources().getColor(com.cinchvalet.app.client.R.color.Black));
 int width = (int) p.measureText(text);
 int yPos = (int) ((c.getHeight() / 2)
     - ((p.descent() + p.ascent()) / 2) - 10);
 c.drawText(text, (bmp.getWidth() - width) / 2, yPos, p);

代码示例来源：origin: steelkiwi/cropiwa

public Bitmap applyCropTo(Bitmap bitmap) {
  Bitmap immutableCropped = Bitmap.createBitmap(bitmap,
      findRealCoordinate(bitmap.getWidth(), cropRect.left, imageRect.width()),
      findRealCoordinate(bitmap.getHeight(), cropRect.top, imageRect.height()),
      findRealCoordinate(bitmap.getWidth(), cropRect.width(), imageRect.width()),
      findRealCoordinate(bitmap.getHeight(), cropRect.height(), imageRect.height()));
  return immutableCropped.copy(immutableCropped.getConfig(), true);
}

代码示例来源：origin: luhaoaimama1/zone-sdk

@Override
  protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    
    paint.setColor(Color.RED);
    paint.setStyle(Style.STROKE);
    paint.setStrokeWidth(3);
    paint.setTextSize(30);

    Bitmap tmep = bt.copy(Config.ARGB_8888, true);
    Canvas tmepCanvas = new Canvas(tmep);
    tmepCanvas.drawCircle(0, 0, tmep.getWidth(), paint);
    canvas.drawBitmap(tmep, 0, 200, paint);
    paint.setStrokeWidth(0);
    canvas.drawText("复制的原图是可以修改的", 0,400, paint);
    
    
    canvas.drawBitmap(bt, 0, 0, paint);
    canvas.drawText("原图", 0, 150, paint);
    
//        如果把原图 放到Canvas里去修改 那么会爆出这个错误
//AndroidRuntime(25875): java.lang.IllegalStateException: Immutable bitmap passed to Canvas constructor
//        Canvas tmepCanvas2 = new Canvas(bt);
//        tmepCanvas.drawCircle(0, 0, tmep.getWidth(), paint);
//        canvas.drawBitmap(bt, 300, 0, paint);
//        canvas.drawText("原图不能修改",  300, 150, paint);
  }

代码示例来源：origin: stackoverflow.com

int width = Math.round(sentBitmap.getWidth() * scale);
int height = Math.round(sentBitmap.getHeight() * scale);
sentBitmap = Bitmap.createScaledBitmap(sentBitmap, width, height, false);
Bitmap bitmap = sentBitmap.copy(sentBitmap.getConfig(), true);
int w = bitmap.getWidth();
int h = bitmap.getHeight();

代码示例来源：origin: stackoverflow.com

bitmap = bitmap.copy(bitmapConfig, true);
int x = (bitmap.getWidth() - bounds.width())/6;
int y = (bitmap.getHeight() + bounds.height())/5;

代码示例来源：origin: JessYanCoding/MVPArms

bitmap = sentBitmap;
} else {
  bitmap = sentBitmap.copy(sentBitmap.getConfig(), true);
int w = bitmap.getWidth();
int h = bitmap.getHeight();

代码示例来源：origin: qiujuer/Genius-Android

Bitmap overlay = mBitmap.copy(mBitmap.getConfig(), true);
if (mCompress) {
  radius = 3;
  overlay = mCompressBitmap.copy(mCompressBitmap.getConfig(), true);
} else if (i == 2) {
  int w = overlay.getWidth();
  int h = overlay.getHeight();
  int[] pix = new int[w * h];
  overlay.getPixels(pix, 0, w, 0, 0, w, h);

代码示例来源：origin: wasabeef/glide-transformations

bitmap = sentBitmap;
} else {
 bitmap = sentBitmap.copy(sentBitmap.getConfig(), true);
int w = bitmap.getWidth();
int h = bitmap.getHeight();

代码示例来源：origin: ArthurHub/Android-Image-Cropper

getRectFromPoints(
    points,
    bitmap.getWidth(),
    bitmap.getHeight(),
    fixAspectRatio,
    aspectRatioX,
matrix.setRotate(degreesRotated, bitmap.getWidth() / 2, bitmap.getHeight() / 2);
matrix.postScale(flipHorizontally ? -scale : scale, flipVertically ? -scale : scale);
Bitmap result =
 result = bitmap.copy(bitmap.getConfig(), false);

代码示例来源：origin: stackoverflow.com

Bitmap bitmap = src.copy(Bitmap.Config.ARGB_8888, true);
for(int x = 0;x < bitmap.getWidth();x++)
  for(int y = 0;y < bitmap.getHeight();y++)
    if(match(bitmap.getPixel(x, y))) 
      bitmap.setPixel(x, y, to);

代码示例来源：origin: wasabeef/Blurry

bitmap = sentBitmap;
} else {
 bitmap = sentBitmap.copy(sentBitmap.getConfig(), true);
int w = bitmap.getWidth();
int h = bitmap.getHeight();

代码示例来源：origin: chentao0707/SimplifyReader

bitmap = sentBitmap;
} else {
  bitmap = sentBitmap.copy(sentBitmap.getConfig(), true);
int w = bitmap.getWidth();
int h = bitmap.getHeight();

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