Example usage for java.nio IntBuffer allocate

List of usage examples for java.nio IntBuffer allocate

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Introduction

In this page you can find the example usage for java.nio IntBuffer allocate.

Prototype

public static IntBuffer allocate(int capacity)

Source Link

Document

Creates an int buffer based on a newly allocated int array.

Usage

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   www .  ja  v a2  s .c  o m
    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;
}