Example usage for android.graphics Paint Paint

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:com.madgag.android.lazydrawables.samples.DemoListActivity.java

private ImageResourceDownloader<String, Bitmap> slowImageMaker() {
    return new ImageResourceDownloader<String, Bitmap>() {
        public Bitmap get(String key) {
            Log.d(TAG, "Asked to download " + key);
            try {
                Thread.sleep(4000L);
            } catch (InterruptedException e) {
            }/*from  w w  w.  j  a v a 2s. c  o  m*/
            Bitmap bitmap = Bitmap.createBitmap(80, 80, Bitmap.Config.ARGB_8888);
            Canvas c = new Canvas(bitmap);
            Paint paint = new Paint();
            paint.setColor(0xff0000ff);
            c.drawCircle(0, 0, 50, paint);

            paint.setColor(0xffff007f);
            paint.setStyle(Paint.Style.FILL);
            paint.setAntiAlias(true);
            paint.setTextSize(30);
            c.drawText(key, 0, 3, 0, 60, paint);
            Log.d(TAG, "Done drawing... " + key);
            return bitmap;
        }
    };
}

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From source file:com.acceleratedio.pac_n_zoom.DrawSVG.java

public ArrayList<ImageView> DrawSVG(Context context, ImageView orgnlImageView, RelativeLayout rel_anm_lo) {

    paint.setColor(Color.WHITE);//from   ww  w  . j a v  a 2 s.  c o  m
    paint.setStyle(Paint.Style.FILL);
    LoadSVG.SVGData data = AnimActivity.svg_data;
    ArrayList<ImageView> imgViews = new ArrayList<ImageView>();
    imgViews.add(orgnlImageView);

    if (data.symbl != null) {

        ArrayList<String> sprt_ordr = data.svg.ordr;
        int sym_mbr = 0;
        Bitmap bitmap;
        Canvas canvas;

        // - Loop through the sprites 
        int sprt_nmbr = sprt_ordr.size();
        data.svg.initScl = new float[sprt_nmbr];
        float[] initScl = data.svg.initScl;

        for (int sprt_mbr = 1; sprt_mbr < sprt_nmbr; sprt_mbr += 1) {

            String sprt_id = sprt_ordr.get(sprt_mbr); // e.g., id="g2_0"

            if (Integer.parseInt(sprt_id.substring(sprt_id.indexOf('_') + 1)) > 0) {
                // The symbol is already drawn; replicate the view   
                String init_sprt = sprt_id.substring(0, sprt_id.indexOf('_') + 1) + '0';
                String svg_ordr = data.svg.svg_ordr;
                String cnt_str = svg_ordr.substring(0, svg_ordr.indexOf(init_sprt));
                ImageView init_vw = imgViews.get(StringUtils.countMatches(cnt_str, ","));
                Bitmap initBmp = ((BitmapDrawable) init_vw.getDrawable()).getBitmap();

                bitmap = Bitmap.createBitmap(initBmp.getWidth(), initBmp.getHeight(), initBmp.getConfig());

                canvas = new Canvas(bitmap);
                canvas.save(Canvas.MATRIX_SAVE_FLAG);
                xfrmInit crt_sprt = getInitSpriteAttrib(sprt_id);
                canvas.scale(crt_sprt.scl, crt_sprt.scl);
                initScl[sprt_mbr] = crt_sprt.scl;
                canvas.translate(0, 0);
            } else {
                // The symbol needs to be drawn; a new view   is used
                bitmap = getCreatBmp(rel_anm_lo);
                canvas = new Canvas(bitmap);
                canvas.save(Canvas.MATRIX_SAVE_FLAG);

                // - Set the init values
                xfrmInit crt_sprt = getInitSpriteAttrib(sprt_id);
                canvas.scale(crt_sprt.scl, crt_sprt.scl);
                initScl[sprt_mbr] = crt_sprt.scl;
                canvas.translate(0, 0);

                // - Draw the bitmap
                LoadSVG.symbol crt_sym = data.symbl.get(sym_mbr);
                ArrayList<LoadSVG.path> pths = crt_sym.pths;
                int pth_nmbr = pths.size();

                // Loop through the paths
                for (int pth_mbr = 0; pth_mbr < pth_nmbr; pth_mbr += 1) {

                    LoadSVG.path crt_pth = pths.get(pth_mbr);
                    final Path path = new Path();
                    final Paint paint = new Paint();
                    /* Debug
                    if (pth_mbr + 1 == pth_nmbr) {
                            
                       String log_str = "Paths: pth_mbr = " +
                          String.valueOf(pth_mbr) + "; color = " + crt_pth.clr;
                            
                       Log.d("DrawSVG", log_str);
                    }
                    */
                    paint.setColor(Color.parseColor(crt_pth.clr));
                    paint.setAntiAlias(true);
                    paint.setStyle(Paint.Style.FILL_AND_STROKE);
                    ld_pth_pnts(crt_pth.pth, path);
                    path.close();
                    path.setFillType(Path.FillType.EVEN_ODD);
                    canvas.drawPath(path, paint);
                }

                canvas.restore();
                sym_mbr += 1;
            }

            ImageView iv = new ImageView(context);
            iv.setImageBitmap(bitmap);

            RelativeLayout.LayoutParams rlp = new RelativeLayout.LayoutParams(
                    RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.MATCH_PARENT);

            iv.draw(canvas);
            iv.setLayoutParams(rlp);
            iv.setBackgroundColor(Color.TRANSPARENT);
            imgViews.add(iv);
        } // sprites
    } // if symbol

    return imgViews;
}

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From source file:com.hxsn.witwork.ui.ViewfinderView.java

public ViewfinderView(Context context, AttributeSet attrs) {
    super(context, attrs);
    con = context;//from   ww w .  j  a va2s.  c o m
    name = new ArrayList<String>();
    density = context.getResources().getDisplayMetrics().density;
    // ???dp
    ScreenRate = (int) (20 * density);

    paint = new Paint();
    Resources resources = getResources();
    maskColor = resources.getColor(R.color.viewfinder_mask);
    resultColor = resources.getColor(R.color.result_view);

    resultPointColor = resources.getColor(R.color.possible_result_points);
    possibleResultPoints = new HashSet<ResultPoint>(5);
}

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From source file:com.ibuildapp.romanblack.FanWallPlugin.data.Statics.java

/**
 * Sets the downloaded avatar.//from  w  ww .  j a  v a 2 s . com
 *
 * @param filePath file path to avatar image
 */
public static Bitmap publishAvatar(String filePath) {
    Bitmap bitmap = null;

    if (!TextUtils.isEmpty(filePath)) {
        try {
            BitmapFactory.Options opts = new BitmapFactory.Options();
            opts.inSampleSize = 1;
            bitmap = BitmapFactory.decodeFile(filePath, opts);
            int size = 0;
            if (bitmap.getHeight() > bitmap.getWidth()) {
                size = bitmap.getWidth();
            } else {
                size = bitmap.getHeight();
            }
            Bitmap output = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
            Canvas canvas = new Canvas(output);

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

            paint.setAntiAlias(true);
            canvas.drawARGB(0, 0, 0, 0);
            paint.setColor(color);
            canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

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

            bitmap.recycle();

            return output;
        } catch (Exception e) {

        }
    }
    return null;
}

---

From source file:ca.psiphon.ploggy.Robohash.java

public static Bitmap getRobohash(Context context, boolean cacheCandidate, byte[] data)
        throws Utils.ApplicationError {
    try {// w w w. j  ava2 s .  c  om
        MessageDigest sha1 = MessageDigest.getInstance("SHA-1");
        byte[] digest = sha1.digest(data);

        String key = Utils.formatFingerprint(digest);
        Bitmap cachedBitmap = mCache.get(key);
        if (cachedBitmap != null) {
            return cachedBitmap;
        }

        ByteBuffer byteBuffer = ByteBuffer.wrap(digest);
        byteBuffer.order(ByteOrder.BIG_ENDIAN);
        // TODO: SecureRandom SHA1PRNG (but not LinuxSecureRandom)
        Random random = new Random(byteBuffer.getLong());

        AssetManager assetManager = context.getAssets();

        if (mConfig == null) {
            mConfig = new JSONObject(loadAssetToString(assetManager, CONFIG_FILENAME));
        }

        int width = mConfig.getInt("width");
        int height = mConfig.getInt("height");

        JSONArray colors = mConfig.getJSONArray("colors");
        JSONArray parts = colors.getJSONArray(random.nextInt(colors.length()));

        Bitmap robotBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
        Canvas robotCanvas = new Canvas(robotBitmap);

        for (int i = 0; i < parts.length(); i++) {
            JSONArray partChoices = parts.getJSONArray(i);
            String selection = partChoices.getString(random.nextInt(partChoices.length()));
            Bitmap partBitmap = loadAssetToBitmap(assetManager, selection);
            Rect rect = new Rect(0, 0, width, height);
            Paint paint = new Paint();
            paint.setAlpha(255);
            robotCanvas.drawBitmap(partBitmap, rect, rect, paint);
            partBitmap.recycle();
        }

        if (cacheCandidate) {
            mCache.set(key, robotBitmap);
        }

        return robotBitmap;

    } catch (IOException e) {
        throw new Utils.ApplicationError(LOG_TAG, e);
    } catch (JSONException e) {
        throw new Utils.ApplicationError(LOG_TAG, e);
    } catch (NoSuchAlgorithmException e) {
        throw new Utils.ApplicationError(LOG_TAG, e);
    }
}

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From source file:com.richtodd.android.quiltdesign.block.Theme.java

private void draw(Canvas canvas, int width, int height) {
    canvas.drawColor(Color.WHITE);

    Paint swatchPaint = new Paint();
    swatchPaint.setStyle(Style.FILL);

    int idx = 0;//from   w  ww .  jav a2s  .c  o m
    int left = 0;
    int right = 0;
    for (Swatch swatch : m_swatches) {
        idx += 1;
        left = right;
        right = width * idx / m_swatches.size();

        swatchPaint.setColor(swatch.getColor());
        canvas.drawRect(left, 0, right, height, swatchPaint);
    }
}

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From source file:com.wareninja.opensource.gravatar4android.common.Utils.java

public static Bitmap getBitmapWithReflection(Bitmap originalImage) {

    //The gap we want between the reflection and the original image
    final int reflectionGap = 4;

    int width = originalImage.getWidth();
    int height = originalImage.getHeight();

    //This will not scale but will flip on the Y axis
    Matrix matrix = new Matrix();
    matrix.preScale(1, -1);/* w  w w. ja  va2s .  c o  m*/

    //Create a Bitmap with the flip matrix applied to it.
    //We only want the bottom half of the image
    Bitmap reflectionImage = Bitmap.createBitmap(originalImage, 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(originalImage, 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, originalImage.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);

    return bitmapWithReflection;
}

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From source file:ee.ioc.phon.android.speak.Utils.java

static Bitmap bytesToBitmap(byte[] byteBuffer, int w, int h, int startPosition, int endPosition) {
    final ShortBuffer waveBuffer = ByteBuffer.wrap(byteBuffer).order(ByteOrder.LITTLE_ENDIAN).asShortBuffer();
    final Bitmap b = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
    final Canvas c = new Canvas(b);
    final Paint paint = new Paint();
    paint.setColor(0xFFFFFFFF); // 0xAARRGGBB
    paint.setAntiAlias(true);/*from  w  w  w .j ava 2  s. co  m*/
    paint.setStyle(Paint.Style.STROKE);
    paint.setAlpha(80);

    final PathEffect effect = new CornerPathEffect(3);
    paint.setPathEffect(effect);

    final int numSamples = waveBuffer.remaining();
    int endIndex;
    if (endPosition == 0) {
        endIndex = numSamples;
    } else {
        endIndex = Math.min(endPosition, numSamples);
    }

    int startIndex = startPosition - 2000; // include 250ms before speech
    if (startIndex < 0) {
        startIndex = 0;
    }
    final int numSamplePerWave = 200; // 8KHz 25ms = 200 samples
    final float scale = 10.0f / 65536.0f;

    final int count = (endIndex - startIndex) / numSamplePerWave;
    final float deltaX = 1.0f * w / count;
    int yMax = h / 2;
    Path path = new Path();
    c.translate(0, yMax);
    float x = 0;
    path.moveTo(x, 0);
    for (int i = 0; i < count; i++) {
        final int avabs = getAverageAbs(waveBuffer, startIndex, i, numSamplePerWave);
        int sign = ((i & 01) == 0) ? -1 : 1;
        final float y = Math.min(yMax, avabs * h * scale) * sign;
        path.lineTo(x, y);
        x += deltaX;
        path.lineTo(x, y);
    }
    if (deltaX > 4) {
        paint.setStrokeWidth(2);
    } else {
        paint.setStrokeWidth(Math.max(0, (int) (deltaX - .05)));
    }
    c.drawPath(path, paint);
    return b;
}

---

From source file:com.entertailion.android.slideshow.utils.Utils.java

/**
 * Create a bitmap from a image URL.//w ww. j av  a 2s  .  c  om
 * 
 * @param src
 * @return
 */
public static final Bitmap getBitmapFromURL(String src) {
    try {
        URL url = new URL(src);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoInput(true);
        connection.connect();
        InputStream input = connection.getInputStream();
        Bitmap myBitmap = BitmapFactory.decodeStream(input);
        int size = Math.max(myBitmap.getWidth(), myBitmap.getHeight());
        Bitmap b = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
        Canvas c = new Canvas(b);
        Paint paint = new Paint();
        paint.setAntiAlias(true);
        c.drawBitmap(myBitmap, (size - myBitmap.getWidth()) / 2, (size - myBitmap.getHeight()) / 2, paint);
        return b;
    } catch (Exception e) {
        Log.e(LOG_TAG, "Faild to get the image from URL:" + src, e);
        return null;
    }
}

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