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 getRoundBitmap(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    float roundPx;
    float left, top, right, bottom, dst_left, dst_top, dst_right, dst_bottom;
    if (width <= height) {
        roundPx = width / 2;//from w  w w.  j  a  v  a  2  s.c om
        top = 0;
        bottom = width;
        left = 0;
        right = width;
        height = width;
        dst_left = 0;
        dst_top = 0;
        dst_right = width;
        dst_bottom = width;
    } else {
        roundPx = height / 2;
        float clip = (width - height) / 2;
        left = clip;
        right = width - clip;
        top = 0;
        bottom = height;
        width = height;
        dst_left = 0;
        dst_top = 0;
        dst_right = height;
        dst_bottom = height;
    }

    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 src = new Rect((int) left, (int) top, (int) right, (int) bottom);
    final Rect dst = new Rect((int) dst_left, (int) dst_top, (int) dst_right, (int) dst_bottom);
    final RectF rectF = new RectF(dst);

    paint.setAntiAlias(true);

    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, src, dst, paint);
    return output;
}

From source file:Main.java

public static Bitmap toRoundBitmap(Bitmap bitmap) {
    if (bitmap == null) {
        return null;
    }/*from  ww w  . j av  a 2s . c om*/
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    float roundPx;
    float left, top, right, bottom, dst_left, dst_top, dst_right, dst_bottom;
    if (width <= height) {
        roundPx = width / 2;
        top = 0;
        bottom = width;
        left = 0;
        right = width;
        height = width;
        dst_left = 0;
        dst_top = 0;
        dst_right = width;
        dst_bottom = width;
    } else {
        roundPx = height / 2;
        float clip = (width - height) / 2;
        left = clip;
        right = width - clip;
        top = 0;
        bottom = height;
        width = height;
        dst_left = 0;
        dst_top = 0;
        dst_right = height;
        dst_bottom = height;
    }

    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 src = new Rect((int) left, (int) top, (int) right, (int) bottom);
    final Rect dst = new Rect((int) dst_left, (int) dst_top, (int) dst_right, (int) dst_bottom);
    final RectF rectF = new RectF(dst);
    paint.setAntiAlias(true);
    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, src, dst, paint);
    return output;
}

From source file:Main.java

public static Bitmap toReflectionBitmap(Bitmap bitmap) {
    if (bitmap == null) {
        return null;
    }// ww w . j  a va  2s. c o  m

    try {
        int reflectionGap = 1;
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();

        // This will not scale but will flip on the Y axis
        Matrix matrix = new Matrix();
        matrix.preScale(1, -1);

        // Create a Bitmap with the flip matrix applied to it.
        // We only want the bottom half of the image
        Bitmap reflectionImage = Bitmap.createBitmap(bitmap, 0, height / 2, width, height / 2, matrix, false);

        // Create a new bitmap with same width but taller to fit
        // reflection
        Bitmap bitmapWithReflection = Bitmap.createBitmap(width, (height + height / 2), Config.ARGB_8888);

        // Create a new Canvas with the bitmap that's big enough for
        // the image plus gap plus reflection
        Canvas canvas = new Canvas(bitmapWithReflection);
        // Draw in the original image
        canvas.drawBitmap(bitmap, 0, 0, null);
        // Draw in the gap
        Paint deafaultPaint = new Paint();
        canvas.drawRect(0, height, width, height + reflectionGap, deafaultPaint);
        // Draw in the reflection
        canvas.drawBitmap(reflectionImage, 0, height + reflectionGap, null);
        // Create a shader that is a linear gradient that covers the
        // reflection
        Paint paint = new Paint();
        LinearGradient shader = new LinearGradient(0, bitmap.getHeight(), 0,
                bitmapWithReflection.getHeight() + reflectionGap, 0x70ffffff, 0x00ffffff, TileMode.CLAMP);
        // Set the paint to use this shader (linear gradient)
        paint.setShader(shader);
        // Set the Transfer mode to be porter duff and destination in
        paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
        // Draw a rectangle using the paint with our linear gradient
        canvas.drawRect(0, height, width, bitmapWithReflection.getHeight() + reflectionGap, paint);

        bitmap = bitmapWithReflection;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return bitmap;
}

From source file:Main.java

public static Bitmap getColorPreviewBitmap(final Context context, final int color, final boolean border) {
    if (context == null)
        return null;
    final float density = context.getResources().getDisplayMetrics().density;
    final int width = (int) (32 * density), height = (int) (32 * density);

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

    final int rectangleSize = (int) (density * 5);
    final int numRectanglesHorizontal = (int) Math.ceil(width / rectangleSize);
    final int numRectanglesVertical = (int) Math.ceil(height / rectangleSize);
    final Rect r = new Rect();
    boolean verticalStartWhite = true;
    for (int i = 0; i <= numRectanglesVertical; i++) {

        boolean isWhite = verticalStartWhite;
        for (int j = 0; j <= numRectanglesHorizontal; j++) {

            r.top = i * rectangleSize;// ww w . j av  a  2  s  .  c  om
            r.left = j * rectangleSize;
            r.bottom = r.top + rectangleSize;
            r.right = r.left + rectangleSize;
            final Paint paint = new Paint();
            paint.setColor(isWhite ? Color.WHITE : Color.GRAY);

            canvas.drawRect(r, paint);

            isWhite = !isWhite;
        }

        verticalStartWhite = !verticalStartWhite;

    }
    canvas.drawColor(color);
    if (border) {
        final Paint paint = new Paint();
        paint.setColor(Color.WHITE);
        paint.setStrokeWidth(1f * density);
        final float[] points = new float[] { 0, 0, width, 0, 0, 0, 0, height, width, 0, width, height, 0,
                height, width, height };
        canvas.drawLines(points, paint);
    }
    return bm;
}

From source file:Main.java

public static Bitmap getColorPreviewBitmap(final Context context, final int color, final boolean border) {
    if (context == null)
        return null;
    final float density = context.getResources().getDisplayMetrics().density;
    final int width = (int) (32 * density), height = (int) (32 * density);

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

    final int rectrangleSize = (int) (density * 5);
    final int numRectanglesHorizontal = (int) Math.ceil(width / rectrangleSize);
    final int numRectanglesVertical = (int) Math.ceil(height / rectrangleSize);
    final Rect r = new Rect();
    boolean verticalStartWhite = true;
    for (int i = 0; i <= numRectanglesVertical; i++) {

        boolean isWhite = verticalStartWhite;
        for (int j = 0; j <= numRectanglesHorizontal; j++) {

            r.top = i * rectrangleSize;//  w  ww.j a  v  a2  s  .  c  o  m
            r.left = j * rectrangleSize;
            r.bottom = r.top + rectrangleSize;
            r.right = r.left + rectrangleSize;
            final Paint paint = new Paint();
            paint.setColor(isWhite ? Color.WHITE : Color.GRAY);

            canvas.drawRect(r, paint);

            isWhite = !isWhite;
        }

        verticalStartWhite = !verticalStartWhite;

    }
    canvas.drawColor(color);
    if (border) {
        final Paint paint = new Paint();
        paint.setColor(Color.WHITE);
        paint.setStrokeWidth(1f * density);
        final float[] points = new float[] { 0, 0, width, 0, 0, 0, 0, height, width, 0, width, height, 0,
                height, width, height };
        canvas.drawLines(points, paint);
    }
    return bm;
}

From source file:Main.java

@SuppressWarnings("deprecation")
private static Drawable getSelectedDrawable(BitmapDrawable mDrawable) {
    Bitmap srcBitmap = mDrawable.getBitmap();
    Bitmap bmp = Bitmap.createBitmap(srcBitmap.getWidth(), srcBitmap.getHeight(), Config.ARGB_8888);
    ColorMatrix cMatrix = new ColorMatrix();
    cMatrix.set(new float[] { 1, 0, 0, 0, -DRAW_DEEP, 0, 1, 0, 0, -DRAW_DEEP, 0, 0, 1, 0, -DRAW_DEEP, 0, 0, 0,
            1, 0 });//w ww  .  j ava 2  s .  c  om
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(cMatrix));
    Canvas canvas = new Canvas(bmp);
    canvas.drawBitmap(srcBitmap, 0, 0, paint);
    return new BitmapDrawable(bmp);
}

From source file:Main.java

/**
 * Create a Bitmap that will be used as a mask to create the preview window in the background.
 * The Bitmap will be the given width and height. The Bitmap will be transparent except for a
 * gradient on the left and bottom sides.
 *
 * @param width Width of the mask./*from  w  w  w .  ja va  2  s.co m*/
 * @param height Height of the mask.
 * @param gradientSize Size of the gradient.
 * @return Bitmap mask that will be used to create a preview window.
 */
private static Bitmap createPreviewWindowMask(int width, int height, int gradientSize) {

    // Do nothing if the size is invalid
    if (width <= 0 || height <= 0) {
        return null;
    }

    // Initialize the mask
    Bitmap mask = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(mask);
    canvas.drawColor(Color.TRANSPARENT);

    // If the gradient size is zero, don't draw the gradients
    if (gradientSize <= 0) {
        return mask;
    }

    // Calculate gradient rects
    Rect leftGradientRect = new Rect(0, 0, gradientSize, height - gradientSize);
    Rect bottomGradientRect = new Rect(leftGradientRect.right, height - gradientSize, width, height);
    Rect cornerGradientRect = new Rect(leftGradientRect.left, leftGradientRect.bottom, bottomGradientRect.left,
            bottomGradientRect.bottom);

    // Create left gradient
    Paint leftGradientPaint = new Paint();
    leftGradientPaint.setDither(true);
    leftGradientPaint.setShader(new LinearGradient(leftGradientRect.left, 0, leftGradientRect.right, 0,
            Color.BLACK, Color.TRANSPARENT, Shader.TileMode.CLAMP));

    // Create right gradient
    Paint bottomGradientPaint = new Paint();
    bottomGradientPaint.setDither(true);
    bottomGradientPaint.setShader(
            new LinearGradient(leftGradientRect.right, bottomGradientRect.bottom, leftGradientRect.right,
                    bottomGradientRect.top, Color.BLACK, Color.TRANSPARENT, Shader.TileMode.CLAMP));

    // Create corner gradient
    Paint cornerGradientPaint = new Paint();
    cornerGradientPaint.setDither(true);
    cornerGradientPaint.setShader(new RadialGradient(cornerGradientRect.right, cornerGradientRect.top,
            gradientSize, Color.TRANSPARENT, Color.BLACK, Shader.TileMode.CLAMP));

    // Draw the gradients
    canvas.drawRect(leftGradientRect, leftGradientPaint);
    canvas.drawRect(bottomGradientRect, bottomGradientPaint);
    canvas.drawRect(cornerGradientRect, cornerGradientPaint);

    return mask;
}

From source file:Main.java

/**
 * Method to overlay a color on a gray scale Bitmap, passed as a resource id {@code id}.
 * If you want to call this method from a Fragment/Activity call it in this way:
 * overlayColorOnGrayScale(getResources(), R.drawable.your_image, Color.RED)
 *
 * @param res   A reference to Resources.
 * @param id    The id of a drawable image.
 * @param color Color to overlay./*from   w  w  w .j a  v  a 2  s. com*/
 * @return A colored gray scale Bitmap.
 * @throws IOException
 */
public static Bitmap overlayColorOnGrayScale(Resources res, int id, int color) throws IOException {
    Bitmap mutableBitmap = getMutableBitmap(res, id);

    Canvas canvas = new Canvas(mutableBitmap);
    canvas.drawBitmap(mutableBitmap, 0, 0, getGrayScalePaint());

    Paint paint = new Paint();
    paint.setAntiAlias(true);
    ColorFilter filter = new LightingColorFilter(color, 1);
    paint.setColorFilter(filter);
    canvas.drawBitmap(mutableBitmap, 0, 0, paint);

    return mutableBitmap;
}

From source file:com.nextgis.maplib.display.SimpleLineStyle.java

@Override
public void onDraw(GeoGeometry geoGeometry, GISDisplay display) {
    GeoLineString line = (GeoLineString) geoGeometry;
    Paint lnPaint = new Paint();
    lnPaint.setColor(mColor);//w ww . ja  va  2 s  . c  om
    lnPaint.setStrokeWidth((float) (mWidth / display.getScale()));
    lnPaint.setStrokeCap(Paint.Cap.ROUND);
    lnPaint.setAntiAlias(true);

    List<GeoPoint> points = line.getPoints();
    float[] pts = new float[points.size() * 2];

    int counter = 0;
    for (GeoPoint pt : points) {
        pts[counter++] = (float) pt.getX();
        pts[counter++] = (float) pt.getY();
    }

    display.drawLines(pts, lnPaint);
}

From source file:foam.jellyfish.StarwispCanvas.java

public Paint getPaint(Canvas canvas, JSONArray prim) {
    try {//  www.j  a  v a 2  s .  c  om
        Paint myPaint = new Paint();
        JSONArray c = prim.getJSONArray(1);
        myPaint.setColor(Color.rgb(c.getInt(0), c.getInt(1), c.getInt(2)));
        myPaint.setStrokeWidth(prim.getInt(2));
        return myPaint;
    } catch (JSONException e) {
        Log.e("starwisp", "Error parsing data " + e.toString());
        return null;
    }
}