Example usage for android.graphics Canvas drawBitmap

Introduction

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

Prototype

public void drawBitmap(@NonNull Bitmap bitmap, @Nullable Rect src, @NonNull Rect dst, @Nullable Paint paint) 

Source Link

Document

Draw the specified bitmap, scaling/translating automatically to fill the destination rectangle.

Usage

From source file:com.byagowi.persiancalendar.view.QiblaCompassView.java

public void drawQibla(Canvas canvas) {

    canvas.rotate((float) qiblaInfo.getHeading() - 360, px, py);
    qiblaPaint.reset();/*from   w w  w. j  a v a 2s. co m*/
    qiblaPaint.setColor(Color.GREEN);
    qiblaPaint.setStyle(Paint.Style.FILL_AND_STROKE);
    qiblaPaint.setPathEffect(dashPath);
    qiblaPaint.setStrokeWidth(5.5f);

    canvas.drawLine(px, py - Radius, px, py + Radius, qiblaPaint);
    qiblaPaint.setPathEffect(null);
    canvas.drawBitmap(kaaba, px - kaaba.getWidth() / 2, py - Radius - kaaba.getHeight() / 2, qiblaPaint);
    canvas.restore();

}

---

From source file:com.android.leanlauncher.IconCache.java

public Bitmap createIconBitmapFromTheme(String iconDrawableName, Drawable defaultDrawable) {
    Bitmap icon = loadBitmapFromIconPack(iconDrawableName);

    if (icon == null) {
        Log.d(TAG, "Using default icon, can't find icon drawable: " + iconDrawableName + " in "
                + mCurrentIconTheme);//w w w  .  ja  v  a 2  s.  c o m
        icon = ((BitmapDrawable) defaultDrawable).getBitmap();
    }

    if (mIconBackgrounds.size() < 1) {
        // we are done
        return icon;
    } else {
        Random r = new Random();
        int backImageInd = r.nextInt(mIconBackgrounds.size());
        Bitmap background = mIconBackgrounds.get(backImageInd);
        if (background == null) {
            Log.d(TAG, "Can't load background image: " + mIconBackgrounds.get(backImageInd));
            return icon;
        }

        int w = background.getWidth(), h = background.getHeight();
        Bitmap result = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
        final Canvas tempCanvas = new Canvas(result);

        // draw the background first
        tempCanvas.drawBitmap(background, 0, 0, null);

        // create a mutable mask bitmap with the same mask
        if (icon.getWidth() > w || icon.getHeight() > h) {
            mIconScaleFactor = (mIconScaleFactor == 0) ? 1 : mIconScaleFactor;
            icon = Bitmap.createScaledBitmap(icon, (int) (w * mIconScaleFactor), (int) (h * mIconScaleFactor),
                    false);
        }

        if (mIconMask != null) {
            renderIconBackground(icon, mIconMask, tempCanvas, w, h, true);
        } else {
            renderIconBackground(icon, background, tempCanvas, w, h, false);
        }

        // paint the front
        if (mIconFront != null) {
            tempCanvas.drawBitmap(mIconFront, 0, 0, null);
        }

        return result;
    }
}

---

From source file:com.abhinavjhanwar.android.egg.neko.Cat.java

@Override
public void draw(@NonNull Canvas canvas) {
    final int hw = Math.min(canvas.getWidth(), canvas.getHeight());

    if (mBitmap == null || mBitmap.getWidth() != hw || mBitmap.getHeight() != hw) {
        mBitmap = Bitmap.createBitmap(hw, hw, Bitmap.Config.ARGB_8888);
        final Canvas bitCanvas = new Canvas(mBitmap);
        slowDraw(bitCanvas, 0, 0, hw, hw);
    }/*  w w w .  java 2s  .c om*/
    canvas.drawBitmap(mBitmap, 0, 0, null);
}

---

From source file:com.clov4r.moboplayer.android.nil.codec.activity.MoboThumbnailTestActivity.java

public Bitmap getRoundedCornerBitmap(Bitmap bitmap, float roundPx) {
    try {//from  w ww  .  ja v a 2s.  co m
        Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(output);
        final Paint paint = new Paint();
        final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
        final RectF rectF = new RectF(new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight()));
        paint.setAntiAlias(true);
        canvas.drawARGB(0, 0, 0, 0);
        paint.setColor(Color.BLACK);
        canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
        paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
        final Rect src = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

        canvas.drawBitmap(bitmap, src, rect, paint);
        return output;
    } catch (Exception e) {
        return bitmap;
    }
}

---

From source file:com.example.hudpassthrough.BluetoothChat.java

private Bitmap toGrayscale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();//from w w w.j a  va  2s  . c om
    width = bmpOriginal.getWidth();

    Bitmap bmpGrayscale = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
    Canvas c = new Canvas(bmpGrayscale);
    Paint paint = new Paint();
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);
    ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
    paint.setColorFilter(f);
    c.drawBitmap(bmpOriginal, 0, 0, paint);
    return bmpGrayscale;
}

---

From source file:com.concavenp.artistrymuse.BaseAppCompatActivity.java

private BitmapImageViewTarget createBitmapImageViewTarget(final ImageView imageView) {

    return new BitmapImageViewTarget(imageView) {
        @Override//  w ww .j  av a  2 s.co m
        protected void setResource(Bitmap bitmap) {

            int bitmapWidth = bitmap.getWidth();
            int bitmapHeight = bitmap.getHeight();
            int borderWidthHalf = 10;
            int bitmapSquareWidth = Math.min(bitmapWidth, bitmapHeight);
            int newBitmapSquare = bitmapSquareWidth + borderWidthHalf;

            Bitmap roundedBitmap = Bitmap.createBitmap(newBitmapSquare, newBitmapSquare,
                    Bitmap.Config.ARGB_8888);

            // Initialize a new Canvas to draw empty bitmap
            Canvas canvas = new Canvas(roundedBitmap);

            // Calculation to draw bitmap at the circular bitmap center position
            int x = borderWidthHalf + bitmapSquareWidth - bitmapWidth;
            int y = borderWidthHalf + bitmapSquareWidth - bitmapHeight;

            canvas.drawBitmap(bitmap, x, y, null);

            // Initializing a new Paint instance to draw circular border
            Paint borderPaint = new Paint();
            borderPaint.setStyle(Paint.Style.STROKE);
            borderPaint.setStrokeWidth(borderWidthHalf * 2);
            borderPaint.setColor(ResourcesCompat.getColor(getResources(), R.color.myApp_accent_700, null));

            canvas.drawCircle(canvas.getWidth() / 2, canvas.getWidth() / 2, newBitmapSquare / 2, borderPaint);

            RoundedBitmapDrawable circularBitmapDrawable = RoundedBitmapDrawableFactory.create(getResources(),
                    roundedBitmap);
            circularBitmapDrawable.setCircular(true);
            imageView.setImageDrawable(circularBitmapDrawable);

        }
    };
}

---

From source file:com.flyingcrop.ScreenCaptureFragment.java

void savePlanes() {

    Image.Plane[] planes = image.getPlanes();
    Buffer imageBuffer = planes[0].getBuffer().rewind();
    //Log.i(TAG, "Time 2 " + (System.currentTimeMillis() - time_now));

    // create bitmap
    bitmap = Bitmap.createBitmap(mWidth, mHeight, Bitmap.Config.ARGB_8888);
    bitmap.copyPixelsFromBuffer(imageBuffer);

    int offset = 0;
    int pixelStride = planes[0].getPixelStride();
    int rowStride = planes[0].getRowStride();
    int rowPadding = rowStride - pixelStride * mWidth;
    ByteBuffer buffer = planes[0].getBuffer();
    //Log.e(TAG, "Time 3 " + (System.currentTimeMillis() - time_now));
    for (int i = 0; i < mHeight; ++i) {
        for (int j = 0; j < mWidth; ++j) {
            int pixel = 0;
            pixel |= (buffer.get(offset) & 0xff) << 16; // R
            pixel |= (buffer.get(offset + 1) & 0xff) << 8; // G
            pixel |= (buffer.get(offset + 2) & 0xff); // B
            pixel |= (buffer.get(offset + 3) & 0xff) << 24; // A
            bitmap.setPixel(j, i, pixel);
            offset += pixelStride;//from   w ww .j  a va2  s.co  m
        }
        offset += rowPadding;
    }
    //Log.i(TAG, "Time 4 " + (System.currentTimeMillis() - time_now));

    Log.i(TAG, "x_inicial " + x_inicial);
    Log.i(TAG, "x_final " + x_final);
    Log.i(TAG, "y_inicial " + y_inicial);
    Log.i(TAG, "y_final " + y_final);

    bitmap = Bitmap.createBitmap(bitmap, (int) x_inicial, (int) status_bar_height + (int) y_inicial,
            Math.abs((int) x_final - (int) x_inicial), Math.abs((int) y_final - (int) y_inicial));
    //bitmap = Bitmap.createBitmap(bitmap, 0 ,0,mWidth, mHeight);
    // write bitmap to a file
    SharedPreferences settings = getActivity().getSharedPreferences("data", 0);

    if (!settings.getBoolean("watermark", false)) {
        Canvas mCanvas = new Canvas(bitmap);

        Bitmap watermark = resize(
                BitmapFactory.decodeResource(getActivity().getResources(), R.drawable.watermark));

        mCanvas.drawBitmap(watermark, 0, 0, null);

    }

    String date = getDate();
    String dir = STORE_DIRECTORY + "/FlyingCrop/" + date + ".png";
    try {
        fos = new FileOutputStream(dir);
    } catch (Exception e) {

    }

    bitmap.compress(Bitmap.CompressFormat.PNG, 100, fos);
    //Log.e(TAG, "Time 5 " + (System.currentTimeMillis() - time_now));
    File file = new File(dir);
    // MediaStore.Images.Media.insertImage(getActivity().getContentResolver(),file.getAbsolutePath(),file.getName(),file.getName());

    if (settings.getBoolean("toast", true)) {
        Toast.makeText(getActivity(), getResources().getString(R.string.fragment_img_saved) + " " + dir,
                Toast.LENGTH_SHORT).show();
    }

    Intent mIntent = new Intent(getActivity(), Brush.class);
    getActivity().stopService(mIntent);

    notifySS(bitmap, date, dir);

    MediaScannerConnection.scanFile(getActivity(), new String[] { dir }, null, null);

    mImageReader = null;
    getActivity().finish();
}

---

From source file:com.dgnt.dominionCardPicker.view.DynamicListView.java

/** Draws a black border over the screenshot of the view passed in. */
private Bitmap getBitmapWithBorder(View v) {
    Bitmap bitmap = getBitmapFromView(v);
    Canvas can = new Canvas(bitmap);

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

    Paint paint = new Paint();
    paint.setStyle(Paint.Style.STROKE);
    paint.setStrokeWidth(LINE_THICKNESS);
    paint.setColor(ContextCompat.getColor(getContext(), R.color.colorAccent));

    can.drawBitmap(bitmap, 0, 0, null);
    can.drawRect(rect, paint);//w w  w. j a  v  a 2 s  . c o  m

    return bitmap;
}

---

From source file:com.android.andryyu.lifehelper.widget.RippleView.java

private Bitmap getCircleBitmap(final int radius) {
    final Bitmap output = Bitmap.createBitmap(originBitmap.getWidth(), originBitmap.getHeight(),
            Bitmap.Config.ARGB_8888);/*w  w w.j a v a 2s  .c om*/
    final Canvas canvas = new Canvas(output);
    final Paint paint = new Paint();
    final Rect rect = new Rect((int) (x - radius), (int) (y - radius), (int) (x + radius), (int) (y + radius));

    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    canvas.drawCircle(x, y, radius, paint);

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

    return output;
}

---

From source file:com.example.ysh.myapplication.view.readview.PageFactory.java

/**
 * ?//from  w  ww. j a v  a  2  s .  c o m
 *
 * @param canvas
 */
public synchronized void onDraw(Canvas canvas) {
    if (mLines.size() == 0) {
        curEndPos = curBeginPos;
        mLines = pageDown();
    }
    if (mLines.size() > 0) {
        int y = marginHeight + (mLineSpace << 1);
        // 
        if (mBookPageBg != null) {
            canvas.drawBitmap(mBookPageBg, null, rectF, null);
        } else {
            canvas.drawColor(Color.WHITE);
        }
        // 
        canvas.drawText(chaptersList.get(currentChapter - 1).title, marginWidth, y, mTitlePaint);
        y += mLineSpace + mNumFontSize;
        // ?
        for (String line : mLines) {
            y += mLineSpace;
            if (line.endsWith("@")) {
                canvas.drawText(line.substring(0, line.length() - 1), marginWidth, y, mPaint);
                y += mLineSpace;
            } else {
                canvas.drawText(line, marginWidth, y, mPaint);
            }
            y += mFontSize;
        }
        // ??
        if (batteryBitmap != null) {
            canvas.drawBitmap(batteryBitmap, marginWidth + 2,
                    mHeight - marginHeight - ScreenUtils.dpToPxInt(12), mTitlePaint);
        }

        float percent = (float) currentChapter * 100 / chapterSize;
        canvas.drawText(decimalFormat.format(percent) + "%", (mWidth - percentLen) / 2, mHeight - marginHeight,
                mTitlePaint);

        String mTime = dateFormat.format(new Date());
        canvas.drawText(mTime, mWidth - marginWidth - timeLen, mHeight - marginHeight, mTitlePaint);

        // ?
        SettingManager.getInstance().saveReadProgress(bookId, currentChapter, curBeginPos, curEndPos);
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• »