Example usage for android.graphics Paint Paint

List of usage examples for android.graphics Paint Paint

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Introduction

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

Prototype

public Paint()

Source Link

Document

Create a new paint with default settings.

Usage

From source file:Main.java

public static Bitmap toGrey(Bitmap bitmap) {
    Bitmap grey = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas c = new Canvas(grey);
    Paint p = new Paint();
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);/*from   w  ww  .  ja v  a  2s. c o  m*/
    p.setColorFilter(new ColorMatrixColorFilter(cm));
    c.drawBitmap(bitmap, 0, 0, p);
    return grey;
}

From source file:Main.java

/**
 * Combines multiple bitmaps together into one
 * @param aParts An array of bitmaps//from   w  w  w.j  a  v a  2 s. c  o  m
 * @return Returns a bitmap image
 */
public static Bitmap combineBitmaps(Bitmap[] aParts) {
    Bitmap[] parts = aParts;
    Bitmap result = Bitmap.createBitmap(parts[0].getWidth() * 2, parts[0].getHeight() * 2,
            Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(result);
    Paint paint = new Paint();
    for (int i = 0; i < parts.length; i++) {
        canvas.drawBitmap(parts[i], parts[i].getWidth() * (i % 2), parts[i].getHeight() * (i / 2), paint);
    }
    return result;
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int pixels) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);
    final float roundPx = pixels;

    paint.setAntiAlias(true);/*w  w w. jav  a 2s  .  c  o  m*/
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);

    return output;
}

From source file:Main.java

public static byte[] makeFontBitmap(String font, String code, int size, float[] arrayOfPos) {
    Canvas c = new Canvas();
    Paint p = new Paint();
    float density = context.getResources().getDisplayMetrics().density;
    //        Log.v(TAG, String.format("makeFontBitmap called(Java): font=%s code=%s density=%f", font, code, density));
    p.setTextSize((float) size * density);
    p.setAntiAlias(true);/*from  w w  w. ja v a 2s  . c  om*/

    Rect textBounds = new Rect();
    p.getTextBounds(code, 0, code.length(), textBounds);
    //        Log.v(TAG, String.format("makeFontBitmap textBounds: %d,%d,%d,%d", textBounds.left, textBounds.top, textBounds.right, textBounds.bottom));

    Rect textBoundsAxA = new Rect();
    String axa = String.format("A%sA", code);
    p.getTextBounds(axa, 0, axa.length(), textBoundsAxA);
    Rect textBoundsAA = new Rect();
    String aa = "AA";
    p.getTextBounds(aa, 0, aa.length(), textBoundsAA);

    // cache.distDelta = Vec2(0, 0);
    arrayOfPos[0] = textBounds.left;
    arrayOfPos[1] = textBounds.top;

    // cache.srcWidth = Vec2(16, 16);
    arrayOfPos[2] = textBounds.width();
    arrayOfPos[3] = textBounds.height();

    // cache.step = 16;
    //      arrayOfPos[4] = textBounds.width() + 1;
    arrayOfPos[4] = textBoundsAxA.width() - textBoundsAA.width();

    if (textBounds.width() == 0 || textBounds.height() == 0) {
        Log.v(TAG, "makeFontBitmap: empty");
        return null;
    }

    Bitmap b = Bitmap.createBitmap(textBounds.width(), textBounds.height(), Bitmap.Config.ARGB_8888);
    c.setBitmap(b);

    Rect r = new Rect(0, 0, textBounds.width(), textBounds.height());
    //      p.setColor(Color.RED);
    p.setARGB(0, 0, 0, 0);
    c.drawRect(r, p);
    p.setARGB(255, 255, 255, 255);

    //        Log.v(TAG, "makeFontBitmap: drawText");
    c.drawText(code, -textBounds.left, -textBounds.top, p);
    //        Log.v(TAG, String.format("makeFontBitmap: w=%.2f h=%.2f", arrayOfPos[2], arrayOfPos[3]));

    ByteBuffer buf = ByteBuffer.allocate(textBounds.width() * textBounds.height() * 4);
    //        Log.v(TAG, String.format("makeFontBitmap: b.getRowBytes() %d", b.getRowBytes()));
    buf.position(0);
    b.copyPixelsToBuffer(buf);
    //        Log.v(TAG, String.format("makeFontBitmap results: capacity=%d", buf.capacity()));

    return buf.array();
}

From source file:Main.java

public static Bitmap toRoundCorner(Bitmap bitmap) {
    int height = bitmap.getHeight();
    int width = bitmap.getHeight();
    Bitmap output = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(output);

    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, width, height);

    paint.setAntiAlias(true);/*ww w . ja va2s  .  c o m*/
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(Color.TRANSPARENT);
    canvas.drawCircle(width / 2, height / 2, width / 2, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return output;
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, float roundPx) {

    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap

            .getHeight(), Config.ARGB_8888);

    Canvas canvas = new Canvas(output);

    final int color = 0xff424242;

    final Paint paint = new Paint();

    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

    final RectF rectF = new RectF(rect);

    paint.setAntiAlias(true);/*w w  w.ja va  2  s  . co  m*/

    canvas.drawARGB(0, 0, 0, 0);

    paint.setColor(color);

    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

    canvas.drawBitmap(bitmap, rect, rect, paint);

    return output;

}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int width, int height, float roundPx) {

    Bitmap output = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, width, height);
    final RectF rectF = new RectF(rect);

    paint.setAntiAlias(true);/*from w ww . jav  a 2 s . c om*/
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);

    return output;
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);
    final float roundPx = 12;

    paint.setAntiAlias(true);//ww w.j av a 2s  .  c om
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);

    return output;
}

From source file:Main.java

public static Bitmap toRoundCorner(Bitmap bitmap, int pixels, PorterDuff.Mode mode) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    final int color = 0xffffffff;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);
    final float roundPx = pixels;
    paint.setAntiAlias(true);//from   www .  jav  a2 s  . c  om
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    paint.setXfermode(new PorterDuffXfermode(mode));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return output;
}

From source file:Main.java

public static Bitmap drawBackground(int cellSize, int height, int widht) {

    Bitmap bitmap = Bitmap.createBitmap(widht, height, Config.ARGB_8888);
    Canvas cv = new Canvas(bitmap);

    Paint background = new Paint();
    background.setColor(BACKGROUND_COLOR);
    cv.drawRect(0, 0, widht, height, background);
    background.setAntiAlias(true);//from www. j  ava2 s. c  o m

    background.setColor(LINE_COLOR);

    for (int i = 0; i < widht / cellSize; i++) {
        cv.drawLine(cellSize * i, 0, cellSize * i, height, background);
    }

    for (int i = 0; i < height / cellSize; i++) {
        cv.drawLine(0, cellSize * i, widht, cellSize * i, background);
    }
    return bitmap;
}