List of usage examples for android.graphics Bitmap copyPixelsFromBuffer
public void copyPixelsFromBuffer(Buffer src)
Copy the pixels from the buffer, beginning at the current position, overwriting the bitmap's pixels.
From source file:com.creativeongreen.imageeffects.MainActivity.java
public static Bitmap colorDodgeBlend(Bitmap source, Bitmap layer) { 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);//from w w w. j a va 2 s. com 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(); while (buffOut.position() < buffOut.limit()) { int filterInt = buffBlend.get(); int srcInt = buffBase.get(); int redValueFilter = Color.red(filterInt); int greenValueFilter = Color.green(filterInt); int blueValueFilter = Color.blue(filterInt); int redValueSrc = Color.red(srcInt); int greenValueSrc = Color.green(srcInt); int blueValueSrc = Color.blue(srcInt); int redValueFinal = colordodge(redValueFilter, redValueSrc); int greenValueFinal = colordodge(greenValueFilter, greenValueSrc); int blueValueFinal = colordodge(blueValueFilter, blueValueSrc); int pixel = Color.argb(255, redValueFinal, greenValueFinal, blueValueFinal); /* * float[] hsv = new float[3]; Color.colorToHSV(pixel, hsv); hsv[1] = 0.0f; float top = * VALUE_TOP; // Setting this as 0.95f gave the best result so far if (hsv[2] <= top) { * hsv[2] = 0.0f; } else { hsv[2] = 1.0f; } pixel = Color.HSVToColor(hsv); */ buffOut.put(pixel); } buffOut.rewind(); base.copyPixelsFromBuffer(buffOut); blend.recycle(); return base; }
From source file:com.creativeongreen.imageeffects.MainActivity.java
public static Bitmap getCartoonizedBitmap(Bitmap realBitmap, Bitmap dodgeBlendBitmap, int hueIntervalSize, int saturationIntervalSize, int valueIntervalSize, int saturationPercent, int valuePercent) { // Bitmap bitmap = Bitmap.createBitmap(scaledBitmap); // //fastblur(scaledBitmap, 4); Bitmap base = fastblur(realBitmap, 3).copy(Config.ARGB_8888, true); Bitmap dodge = dodgeBlendBitmap.copy(Config.ARGB_8888, false); try {//w w w. j a v a 2 s . c o m int realColor; int color; float top = 0.87f;// VALUE_TOP; // Between 0.0f .. 1.0f I use 0.87f IntBuffer templatePixels = IntBuffer.allocate(dodge.getWidth() * dodge.getHeight()); IntBuffer scaledPixels = IntBuffer.allocate(base.getWidth() * base.getHeight()); IntBuffer buffOut = IntBuffer.allocate(base.getWidth() * base.getHeight()); base.copyPixelsToBuffer(scaledPixels); dodge.copyPixelsToBuffer(templatePixels); templatePixels.rewind(); scaledPixels.rewind(); buffOut.rewind(); while (buffOut.position() < buffOut.limit()) { color = (templatePixels.get()); realColor = scaledPixels.get(); float[] realHSV = new float[3]; Color.colorToHSV(realColor, realHSV); realHSV[0] = getRoundedValue(realHSV[0], hueIntervalSize); realHSV[2] = (getRoundedValue(realHSV[2] * 100, valueIntervalSize) / 100) * (valuePercent / 100); realHSV[2] = realHSV[2] < 1.0 ? realHSV[2] : 1.0f; realHSV[1] = realHSV[1] * (saturationPercent / 100); realHSV[1] = realHSV[1] < 1.0 ? realHSV[1] : 1.0f; float[] HSV = new float[3]; Color.colorToHSV(color, HSV); boolean putBlackPixel = HSV[2] <= top; realColor = Color.HSVToColor(realHSV); if (putBlackPixel) { buffOut.put(color); } else { buffOut.put(realColor); } } // END WHILE dodge.recycle(); buffOut.rewind(); base.copyPixelsFromBuffer(buffOut); } catch (Exception e) { // TODO: handle exception } return base; }
From source file:com.rnd.snapsplit.view.OcrCaptureFragment.java
public Bitmap byteStreamToBitmap(byte[] data) { int imageWidth = mCameraSource.getPreviewSize().getWidth(); int imageHeight = mCameraSource.getPreviewSize().getHeight(); // YuvImage yuvimage=new YuvImage(data, ImageFormat.NV16, previewSizeW, previewSizeH, null); // ByteArrayOutputStream baos = new ByteArrayOutputStream(); // yuvimage.compressToJpeg(new Rect(0, 0, previewSizeW, previewSizeH), 80, baos); // byte[] jdata = baos.toByteArray(); Bitmap bitmap = Bitmap.createBitmap(imageWidth, imageHeight, Bitmap.Config.ARGB_8888); int numPixels = imageWidth * imageHeight; // the buffer we fill up which we then fill the bitmap with IntBuffer intBuffer = IntBuffer.allocate(imageWidth * imageHeight); // If you're reusing a buffer, next line imperative to refill from the start, // if not good practice intBuffer.position(0);/*from w w w . j av a2 s. c om*/ // Set the alpha for the image: 0 is transparent, 255 fully opaque final byte alpha = (byte) 255; // Get each pixel, one at a time for (int y = 0; y < imageHeight; y++) { for (int x = 0; x < imageWidth; x++) { // Get the Y value, stored in the first block of data // The logical "AND 0xff" is needed to deal with the signed issue int Y = data[y * imageWidth + x] & 0xff; // Get U and V values, stored after Y values, one per 2x2 block // of pixels, interleaved. Prepare them as floats with correct range // ready for calculation later. int xby2 = x / 2; int yby2 = y / 2; // make this V for NV12/420SP float U = (float) (data[numPixels + 2 * xby2 + yby2 * imageWidth] & 0xff) - 128.0f; // make this U for NV12/420SP float V = (float) (data[numPixels + 2 * xby2 + 1 + yby2 * imageWidth] & 0xff) - 128.0f; // Do the YUV -> RGB conversion float Yf = 1.164f * ((float) Y) - 16.0f; int R = (int) (Yf + 1.596f * V); int G = (int) (Yf - 0.813f * V - 0.391f * U); int B = (int) (Yf + 2.018f * U); // Clip rgb values to 0-255 R = R < 0 ? 0 : R > 255 ? 255 : R; G = G < 0 ? 0 : G > 255 ? 255 : G; B = B < 0 ? 0 : B > 255 ? 255 : B; // Put that pixel in the buffer intBuffer.put(alpha * 16777216 + R * 65536 + G * 256 + B); } } // Get buffer ready to be read intBuffer.flip(); // Push the pixel information from the buffer onto the bitmap. bitmap.copyPixelsFromBuffer(intBuffer); Matrix matrix = new Matrix(); matrix.postRotate(90); Bitmap scaledBitmap = Bitmap.createScaledBitmap(bitmap, imageWidth, imageHeight, true); Bitmap rotatedBitmap = Bitmap.createBitmap(scaledBitmap, 0, 0, scaledBitmap.getWidth(), scaledBitmap.getHeight(), matrix, true); return rotatedBitmap; }