Example usage for android.graphics Bitmap setPixels

Introduction

In this page you can find the example usage for android.graphics Bitmap setPixels.

Prototype

public void setPixels(@ColorInt int[] pixels, int offset, int stride, int x, int y, int width, int height) 

Source Link

Document

Replace pixels in the bitmap with the colors in the array.

Usage

From source file:Main.java

public static void setPixels(final Bitmap bit, final int[] pixels, int w, int h) {
    bit.setPixels(pixels, 0, w, 0, 0, w, h);
}

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From source file:Main.java

public static Bitmap applyShadingFilter(Bitmap source, int shadingColor) {
    int width = source.getWidth();
    int height = source.getHeight();
    int[] pixels = new int[width * height];
    source.getPixels(pixels, 0, width, 0, 0, width, height);

    int index = 0;
    for (int y = 0; y < height; ++y) {
        for (int x = 0; x < width; ++x) {
            index = y * width + x;//w  w  w . jav  a2 s  .c  o m
            pixels[index] &= shadingColor;
        }
    }
    Bitmap bmOut = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    bmOut.setPixels(pixels, 0, width, 0, 0, width, height);
    return bmOut;
}

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From source file:Main.java

protected static Bitmap getBitmapFromData(int[] pixels, int width, int height) {
    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
    return bitmap;
}

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From source file:Main.java

public static Bitmap applySaturationFilter(Bitmap source, int level) {
    int width = source.getWidth();
    int height = source.getHeight();
    int[] pixels = new int[width * height];
    float[] HSV = new float[3];
    source.getPixels(pixels, 0, width, 0, 0, width, height);

    int index = 0;
    for (int y = 0; y < height; ++y) {
        for (int x = 0; x < width; ++x) {
            index = y * width + x;/*from ww  w.  jav  a2s  . c om*/
            Color.colorToHSV(pixels[index], HSV);
            HSV[1] *= level;
            HSV[1] = (float) Math.max(0.0, Math.min(HSV[1], 1.0));
            pixels[index] |= Color.HSVToColor(HSV);
        }
    }
    Bitmap bmOut = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    bmOut.setPixels(pixels, 0, width, 0, 0, width, height);
    return bmOut;
}

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From source file:Main.java

public static Bitmap changeColor(Bitmap bitmap, int oldColor, int newColor) {
    if (bitmap == null) {
        return bitmap;
    }/*from  w  w w  .j  av  a2s .c om*/

    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    for (int x = 0; x < pixels.length; ++x) {
        pixels[x] = (pixels[x] == oldColor) ? newColor : pixels[x];
    }
    Bitmap newBitmap = Bitmap.createBitmap(width, height, bitmap.getConfig());
    newBitmap.setPixels(pixels, 0, width, 0, 0, width, height);
    return newBitmap;
}

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From source file:Main.java

public static Bitmap convertToBlackWhite(Bitmap bmp) {
    int width = bmp.getWidth();
    int height = bmp.getHeight();
    int[] pixels = new int[width * height];

    bmp.getPixels(pixels, 0, width, 0, 0, width, height);
    int alpha = 0xFF << 24;
    for (int i = 0; i < height; i++) {
        for (int j = 0; j < width; j++) {
            int grey = pixels[width * i + j];

            int red = ((grey & 0x00FF0000) >> 16);
            int green = ((grey & 0x0000FF00) >> 8);
            int blue = (grey & 0x000000FF);

            grey = (int) (red * 0.3 + green * 0.59 + blue * 0.11);
            grey = alpha | (grey << 16) | (grey << 8) | grey;
            pixels[width * i + j] = grey;
        }//from  w ww  .  j  a  va 2 s .c  o m
    }
    Bitmap newBmp = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
    newBmp.setPixels(pixels, 0, width, 0, 0, width, height);
    return ThumbnailUtils.extractThumbnail(newBmp, 380, 460);
}

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From source file:Main.java

public static Bitmap blackAndWhited(Bitmap in) {
    int width = in.getWidth();
    int height = in.getHeight();

    int[] pixels = new int[width * height];
    in.getPixels(pixels, 0, width, 0, 0, width, height);
    int alpha = 0xFF << 24;
    for (int i = 0; i < height; i++) {
        for (int j = 0; j < width; j++) {
            int grey = pixels[width * i + j];
            int red = ((grey & 0x00FF0000) >> 16);
            int green = ((grey & 0x0000FF00) >> 8);
            int blue = (grey & 0x000000FF);
            grey = (int) (red * 0.3 + green * 0.59 + blue * 0.11);
            grey = alpha | (grey << 16) | (grey << 8) | grey;
            pixels[width * i + j] = grey;
        }/* w w w .  ja v  a2  s .c om*/
    }
    Bitmap newBmp = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
    newBmp.setPixels(pixels, 0, width, 0, 0, width, height);
    return newBmp;
}

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From source file:Main.java

public static Bitmap onlyColors(Bitmap bitmap, int[] colors) {
    if (bitmap == null) {
        return bitmap;
    }/*w ww  . j a va2s  .com*/
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    boolean change;
    for (int x = 0; x < pixels.length; ++x) {
        change = true;
        for (int color : colors) {
            if (pixels[x] == color) {
                change = false;
            }
        }
        if (change) {
            pixels[x] = Color.TRANSPARENT;
        }
    }
    Bitmap newBitmap = Bitmap.createBitmap(width, height, bitmap.getConfig());
    newBitmap.setPixels(pixels, 0, width, 0, 0, width, height);
    return newBitmap;
}

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From source file:Main.java

public static Bitmap createBitmapWithAlphaMask(Bitmap bmpSource, Bitmap bmpMask) {
    int width = bmpSource.getWidth();
    int height = bmpSource.getHeight();
    int size = width * height;

    if (width != bmpMask.getWidth() || height != bmpMask.getHeight())
        bmpMask = resize(bmpMask, width, height);

    int[] result = new int[size];
    int[] mask = new int[size];
    bmpSource.getPixels(result, 0, width, 0, 0, width, height);
    bmpMask.getPixels(mask, 0, width, 0, 0, width, height);

    int alphaMask = 0xff000000;
    int colorMask = 0x00ffffff;
    for (int i = 0; i < size; i++) {
        result[i] = (mask[i] & alphaMask) | (result[i] & colorMask);
    }//from w  w  w .j  ava2 s  .c o  m

    // ensuring the bitmap is mutable
    Bitmap bmpResult = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    bmpResult.setPixels(result, 0, width, 0, 0, width, height);

    return bmpResult;
}

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From source file:Main.java

public static Drawable createGradientColorAndCover(Context context, int coveredResID, int CoverColor) {
    //final Resources res=context.getResources();
    final Resources res = context.getResources();
    Bitmap bitmap = BitmapFactory.decodeResource(res, coveredResID);
    if (bitmap == null) {
        return null;
    }/* w ww .j  a va  2 s . c  o  m*/
    final int length = bitmap.getWidth();
    final int height = bitmap.getHeight();
    int[] shape = new int[length * height];
    int[] colors = new int[length * height];
    bitmap.getPixels(shape, 0, length, 0, 0, length, height);
    int color = CoverColor;
    for (int i = 0; i < length * height; i++) {
        float percent = ((float) i % length / length) * 0xff;
        int alpha = ((int) percent << 6 * 4);
        alpha &= shape[i] & 0xFF000000;
        colors[i] = (alpha) | (color & 0x00FFFFFF);
    }
    Bitmap newbitmap = Bitmap.createBitmap(length, height, Bitmap.Config.ARGB_8888);
    newbitmap.setPixels(colors, 0, length, 0, 0, length, height);
    Bitmap fooBitmap = Bitmap.createBitmap(length, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(fooBitmap);
    Paint paint = new Paint();
    canvas.drawBitmap(bitmap, 0, 0, paint);
    canvas.drawBitmap(newbitmap, 0, 0, paint);
    newbitmap.recycle();
    bitmap.recycle();
    return new BitmapDrawable(res, fooBitmap);
}

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