Example usage for android.graphics Paint FILTER_BITMAP_FLAG

List of usage examples for android.graphics Paint FILTER_BITMAP_FLAG

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Introduction

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

Prototype

int FILTER_BITMAP_FLAG

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Document

Paint flag that enables bilinear sampling on scaled bitmaps.

Usage

From source file:com.ruesga.rview.misc.BitmapUtils.java

public static Bitmap createScaledBitmap(Bitmap unscaledBitmap, int dstWidth, int dstHeight,
        ScalingLogic scalingLogic) {//from  w  w  w.  j ava 2  s.c  om
    if (unscaledBitmap.getWidth() == dstWidth && unscaledBitmap.getHeight() == dstHeight) {
        return unscaledBitmap;
    }
    Rect srcRect = calculateSrcRect(unscaledBitmap.getWidth(), unscaledBitmap.getHeight(), dstWidth, dstHeight,
            scalingLogic);
    Rect dstRect = calculateDstRect(unscaledBitmap.getWidth(), unscaledBitmap.getHeight(), dstWidth, dstHeight,
            scalingLogic);
    Bitmap scaledBitmap = Bitmap.createBitmap(dstRect.width(), dstRect.height(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(scaledBitmap);
    canvas.drawBitmap(unscaledBitmap, srcRect, dstRect, new Paint(Paint.FILTER_BITMAP_FLAG));
    return scaledBitmap;
}

From source file:org.akop.crosswords.view.CrosswordView.java

public CrosswordView(Context context, AttributeSet attrs) {
    super(context, attrs);

    if (!isInEditMode()) {
        setLayerType(View.LAYER_TYPE_HARDWARE, null);
    }//from   www  .  ja  v  a 2  s .  com

    // Set drawing defaults
    Resources r = context.getResources();
    DisplayMetrics dm = r.getDisplayMetrics();

    int cellFillColor = NORMAL_CELL_FILL_COLOR;
    int cheatedCellFillColor = CHEATED_CELL_FILL_COLOR;
    int mistakeCellFillColor = MISTAKE_CELL_FILL_COLOR;
    int selectedWordFillColor = SELECTED_WORD_FILL_COLOR;
    int selectedCellFillColor = SELECTED_CELL_FILL_COLOR;
    int textColor = TEXT_COLOR;
    int cellStrokeColor = CELL_STROKE_COLOR;
    int circleStrokeColor = CIRCLE_STROKE_COLOR;

    float numberTextSize = NUMBER_TEXT_SIZE * dm.scaledDensity;
    float answerTextSize = ANSWER_TEXT_SIZE * dm.scaledDensity;

    mCellSize = CELL_SIZE * dm.density;
    mNumberTextPadding = NUMBER_TEXT_PADDING * dm.density;
    mAnswerTextPadding = ANSWER_TEXT_PADDING * dm.density;

    // Read supplied attributes
    if (attrs != null) {
        Resources.Theme theme = context.getTheme();
        TypedArray a = theme.obtainStyledAttributes(attrs, R.styleable.Crossword, 0, 0);
        mCellSize = a.getDimension(R.styleable.Crossword_cellSize, mCellSize);
        mNumberTextPadding = a.getDimension(R.styleable.Crossword_numberTextPadding, mNumberTextPadding);
        numberTextSize = a.getDimension(R.styleable.Crossword_numberTextSize, numberTextSize);
        mAnswerTextPadding = a.getDimension(R.styleable.Crossword_answerTextPadding, mAnswerTextPadding);
        answerTextSize = a.getDimension(R.styleable.Crossword_answerTextSize, answerTextSize);
        cellFillColor = a.getColor(R.styleable.Crossword_defaultCellFillColor, cellFillColor);
        cheatedCellFillColor = a.getColor(R.styleable.Crossword_cheatedCellFillColor, cheatedCellFillColor);
        mistakeCellFillColor = a.getColor(R.styleable.Crossword_mistakeCellFillColor, mistakeCellFillColor);
        selectedWordFillColor = a.getColor(R.styleable.Crossword_selectedWordFillColor, selectedWordFillColor);
        selectedCellFillColor = a.getColor(R.styleable.Crossword_selectedCellFillColor, selectedCellFillColor);
        cellStrokeColor = a.getColor(R.styleable.Crossword_cellStrokeColor, cellStrokeColor);
        circleStrokeColor = a.getColor(R.styleable.Crossword_circleStrokeColor, circleStrokeColor);
        textColor = a.getColor(R.styleable.Crossword_textColor, textColor);
        a.recycle();
    }

    mMarkerSideLength = mCellSize * MARKER_TRIANGLE_LENGTH_FRACTION;

    // Init paints
    mCellFillPaint = new Paint();
    mCellFillPaint.setColor(cellFillColor);
    mCellFillPaint.setStyle(Paint.Style.FILL);

    mCheatedCellFillPaint = new Paint();
    mCheatedCellFillPaint.setColor(cheatedCellFillColor);
    mCheatedCellFillPaint.setStyle(Paint.Style.FILL);

    mMistakeCellFillPaint = new Paint();
    mMistakeCellFillPaint.setColor(mistakeCellFillColor);
    mMistakeCellFillPaint.setStyle(Paint.Style.FILL);

    mSelectedWordFillPaint = new Paint();
    mSelectedWordFillPaint.setColor(selectedWordFillColor);
    mSelectedWordFillPaint.setStyle(Paint.Style.FILL);

    mSelectedCellFillPaint = new Paint();
    mSelectedCellFillPaint.setColor(selectedCellFillColor);
    mSelectedCellFillPaint.setStyle(Paint.Style.FILL);

    mCellStrokePaint = new Paint();
    mCellStrokePaint.setColor(cellStrokeColor);
    mCellStrokePaint.setStyle(Paint.Style.STROKE);
    //      mCellStrokePaint.setStrokeWidth(1);

    mCircleStrokePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mCircleStrokePaint.setColor(circleStrokeColor);
    mCircleStrokePaint.setStyle(Paint.Style.STROKE);
    mCircleStrokePaint.setStrokeWidth(1);

    mNumberTextPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mNumberTextPaint.setColor(textColor);
    mNumberTextPaint.setTextAlign(Paint.Align.CENTER);
    mNumberTextPaint.setTextSize(numberTextSize);

    mNumberStrokePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mNumberStrokePaint.setColor(cellFillColor);
    mNumberStrokePaint.setTextAlign(Paint.Align.CENTER);
    mNumberStrokePaint.setTextSize(numberTextSize);
    mNumberStrokePaint.setStyle(Paint.Style.STROKE);
    mNumberStrokePaint.setStrokeWidth(NUMBER_TEXT_STROKE_WIDTH * dm.scaledDensity);

    mAnswerTextPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mAnswerTextPaint.setColor(textColor);
    mAnswerTextPaint.setTextSize(answerTextSize);
    mAnswerTextPaint.setTextAlign(Paint.Align.CENTER);

    // http://www.google.com/fonts/specimen/Kalam
    Typeface typeface = Typeface.createFromAsset(context.getAssets(), "kalam-regular.ttf");
    mAnswerTextPaint.setTypeface(typeface);

    // Init rest of the values
    mCircleRadius = (mCellSize / 2) - mCircleStrokePaint.getStrokeWidth();
    mPuzzleCells = EMPTY_CELLS;
    mPuzzleWidth = 0;
    mPuzzleHeight = 0;
    mAllowedChars = EMPTY_CHARS;

    mRenderScale = 0;
    mBitmapOffset = new PointF();
    mCenteredOffset = new PointF();
    mTranslationBounds = new RectF();

    mScaleDetector = new ScaleGestureDetector(context, new ScaleListener());
    mGestureDetector = new GestureDetector(context, new GestureListener());

    mContentRect = new RectF();
    mPuzzleRect = new RectF();

    mBitmapPaint = new Paint(Paint.FILTER_BITMAP_FLAG);

    mScroller = new Scroller(context, null, true);
    mZoomer = new Zoomer(context);

    setFocusableInTouchMode(true);
    setOnKeyListener(this);
}

From source file:xyz.berial.textinputlayout.CollapsingTextHelper.java

private void ensureExpandedTexture() {
    if (mExpandedTitleTexture != null || mExpandedBounds.isEmpty() || TextUtils.isEmpty(mTextToDraw)) {
        return;/*  ww w. j  av  a  2 s  .  c  o  m*/
    }

    mTextPaint.setTextSize(mExpandedTextSize);
    mTextPaint.setColor(mExpandedTextColor);
    mTextureAscent = mTextPaint.ascent();
    mTextureDescent = mTextPaint.descent();

    final int w = Math.round(mTextPaint.measureText(mTextToDraw, 0, mTextToDraw.length()));
    final int h = Math.round(mTextureDescent - mTextureAscent);

    if (w <= 0 && h <= 0) {
        return; // If the width or height are 0, return
    }

    mExpandedTitleTexture = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);

    Canvas c = new Canvas(mExpandedTitleTexture);
    c.drawText(mTextToDraw, 0, mTextToDraw.length(), 0, h - mTextPaint.descent(), mTextPaint);

    if (mTexturePaint == null) {
        // Make sure we have a paint
        mTexturePaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
    }
}

From source file:org.egov.android.view.activity.CreateComplaintActivity.java

public String compressImage(String fromfilepath, String tofilepath) {

    Bitmap scaledBitmap = null;/*www.  java  2s. c om*/

    BitmapFactory.Options options = new BitmapFactory.Options();

    //      by setting this field as true, the actual bitmap pixels are not loaded in the memory. Just the bounds are loaded. If
    //      you try the use the bitmap here, you will get null.
    options.inJustDecodeBounds = true;
    Bitmap bmp = BitmapFactory.decodeFile(fromfilepath, options);

    int actualHeight = options.outHeight;
    int actualWidth = options.outWidth;

    //      max Height and width values of the compressed image is taken as 816x612

    float maxHeight = 816.0f;
    float maxWidth = 612.0f;
    float imgRatio = actualWidth / actualHeight;
    float maxRatio = maxWidth / maxHeight;

    //      width and height values are set maintaining the aspect ratio of the image

    if (actualHeight > maxHeight || actualWidth > maxWidth) {
        if (imgRatio < maxRatio) {
            imgRatio = maxHeight / actualHeight;
            actualWidth = (int) (imgRatio * actualWidth);
            actualHeight = (int) maxHeight;
        } else if (imgRatio > maxRatio) {
            imgRatio = maxWidth / actualWidth;
            actualHeight = (int) (imgRatio * actualHeight);
            actualWidth = (int) maxWidth;
        } else {
            actualHeight = (int) maxHeight;
            actualWidth = (int) maxWidth;

        }
    }

    //      setting inSampleSize value allows to load a scaled down version of the original image

    options.inSampleSize = calculateInSampleSize(options, actualWidth, actualHeight);

    //      inJustDecodeBounds set to false to load the actual bitmap
    options.inJustDecodeBounds = false;

    //      this options allow android to claim the bitmap memory if it runs low on memory
    options.inPurgeable = true;
    options.inInputShareable = true;
    options.inTempStorage = new byte[16 * 1024];

    try {
        //          load the bitmap from its path
        bmp = BitmapFactory.decodeFile(tofilepath, options);
    } catch (OutOfMemoryError exception) {
        exception.printStackTrace();
    }
    try {
        scaledBitmap = Bitmap.createBitmap(actualWidth, actualHeight, Bitmap.Config.ARGB_8888);
    } catch (OutOfMemoryError exception) {
        exception.printStackTrace();
    }

    float ratioX = actualWidth / (float) options.outWidth;
    float ratioY = actualHeight / (float) options.outHeight;
    float middleX = actualWidth / 2.0f;
    float middleY = actualHeight / 2.0f;

    Matrix scaleMatrix = new Matrix();
    scaleMatrix.setScale(ratioX, ratioY, middleX, middleY);

    Canvas canvas = new Canvas(scaledBitmap);
    canvas.setMatrix(scaleMatrix);
    canvas.drawBitmap(bmp, middleX - bmp.getWidth() / 2, middleY - bmp.getHeight() / 2,
            new Paint(Paint.FILTER_BITMAP_FLAG));

    String attrLatitute = null;
    String attrLatituteRef = null;
    String attrLONGITUDE = null;
    String attrLONGITUDEREf = null;

    //      check the rotation of the image and display it properly
    ExifInterface exif;
    try {
        exif = new ExifInterface(fromfilepath);

        int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, 0);
        Log.d("EXIF", "Exif: " + orientation);
        Matrix matrix = new Matrix();
        if (orientation == 6) {
            matrix.postRotate(90);
            Log.d("EXIF", "Exif: " + orientation);
        } else if (orientation == 3) {
            matrix.postRotate(180);
            Log.d("EXIF", "Exif: " + orientation);
        } else if (orientation == 8) {
            matrix.postRotate(270);
            Log.d("EXIF", "Exif: " + orientation);
        }

        attrLatitute = exif.getAttribute(ExifInterface.TAG_GPS_LATITUDE);
        attrLatituteRef = exif.getAttribute(ExifInterface.TAG_GPS_LATITUDE_REF);
        attrLONGITUDE = exif.getAttribute(ExifInterface.TAG_GPS_LONGITUDE);
        attrLONGITUDEREf = exif.getAttribute(ExifInterface.TAG_GPS_LONGITUDE_REF);

        scaledBitmap = Bitmap.createBitmap(scaledBitmap, 0, 0, scaledBitmap.getWidth(),
                scaledBitmap.getHeight(), matrix, true);
    } catch (IOException e) {
        e.printStackTrace();
    }

    FileOutputStream out = null;
    try {
        out = new FileOutputStream(tofilepath);

        //          write the compressed bitmap at the destination specified by filename.
        scaledBitmap.compress(Bitmap.CompressFormat.JPEG, 80, out);

        ExifInterface exif2 = new ExifInterface(tofilepath);

        if (attrLatitute != null) {
            exif2.setAttribute(ExifInterface.TAG_GPS_LATITUDE, attrLatitute);
            exif2.setAttribute(ExifInterface.TAG_GPS_LONGITUDE, attrLONGITUDE);
        }

        if (attrLatituteRef != null) {
            exif2.setAttribute(ExifInterface.TAG_GPS_LATITUDE_REF, attrLatituteRef);
            exif2.setAttribute(ExifInterface.TAG_GPS_LONGITUDE_REF, attrLONGITUDEREf);
        }
        exif2.saveAttributes();

    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return tofilepath;
}

From source file:com.amitupadhyay.aboutexample.util.CollapsingTextHelper.java

private void ensureExpandedTexture() {
    if (mExpandedTitleTexture != null || mExpandedBounds.isEmpty() || TextUtils.isEmpty(mTextToDraw)) {
        return;//from  www  . j  a v a2  s . c om
    }
    mTextPaint.setTextSize(mExpandedTextSize);
    mTextPaint.setColor(mExpandedTextColor);
    mTextureAscent = mTextPaint.ascent();
    mTextureDescent = mTextPaint.descent();
    final int w = Math.round(mTextPaint.measureText(mTextToDraw, 0, mTextToDraw.length()));
    final int h = Math.round(mTextureDescent - mTextureAscent);
    if (w <= 0 && h <= 0) {
        return; // If the width or height are 0, return
    }
    mExpandedTitleTexture = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
    Canvas c = new Canvas(mExpandedTitleTexture);
    c.drawText(mTextToDraw, 0, mTextToDraw.length(), 0, h - mTextPaint.descent(), mTextPaint);
    if (mTexturePaint == null) {
        // Make sure we have a paint
        mTexturePaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
    }
}

From source file:org.akop.ararat.view.CrosswordView.java

public CrosswordView(Context context, AttributeSet attrs) {
    super(context, attrs);

    if (!isInEditMode()) {
        setLayerType(View.LAYER_TYPE_HARDWARE, null);
    }//from  w w  w  .j av a2 s . co m

    // Set drawing defaults
    Resources r = context.getResources();
    DisplayMetrics dm = r.getDisplayMetrics();

    int cellFillColor = NORMAL_CELL_FILL_COLOR;
    int cheatedCellFillColor = CHEATED_CELL_FILL_COLOR;
    int mistakeCellFillColor = MISTAKE_CELL_FILL_COLOR;
    int selectedWordFillColor = SELECTED_WORD_FILL_COLOR;
    int selectedCellFillColor = SELECTED_CELL_FILL_COLOR;
    int markedCellFillColor = MARKED_CELL_FILL_COLOR;
    int numberTextColor = NUMBER_TEXT_COLOR;
    int cellStrokeColor = CELL_STROKE_COLOR;
    int circleStrokeColor = CIRCLE_STROKE_COLOR;
    int answerTextColor = ANSWER_TEXT_COLOR;

    mScaledDensity = dm.scaledDensity;
    float numberTextSize = NUMBER_TEXT_SIZE * mScaledDensity;
    mAnswerTextSize = ANSWER_TEXT_SIZE * mScaledDensity;

    mCellSize = CELL_SIZE * dm.density;
    mNumberTextPadding = NUMBER_TEXT_PADDING * dm.density;
    mIsEditable = true;
    mInputMode = INPUT_MODE_KEYBOARD;
    mSkipOccupiedOnType = false;
    mSelectFirstUnoccupiedOnNav = true;
    mMaxBitmapSize = DEFAULT_MAX_BITMAP_DIMENSION;

    // Read supplied attributes
    if (attrs != null) {
        Resources.Theme theme = context.getTheme();
        TypedArray a = theme.obtainStyledAttributes(attrs, R.styleable.CrosswordView, 0, 0);

        mCellSize = a.getDimension(R.styleable.CrosswordView_cellSize, mCellSize);
        mNumberTextPadding = a.getDimension(R.styleable.CrosswordView_numberTextPadding, mNumberTextPadding);
        numberTextSize = a.getDimension(R.styleable.CrosswordView_numberTextSize, numberTextSize);
        mAnswerTextSize = a.getDimension(R.styleable.CrosswordView_answerTextSize, mAnswerTextSize);
        answerTextColor = a.getColor(R.styleable.CrosswordView_answerTextColor, answerTextColor);
        cellFillColor = a.getColor(R.styleable.CrosswordView_defaultCellFillColor, cellFillColor);
        cheatedCellFillColor = a.getColor(R.styleable.CrosswordView_cheatedCellFillColor, cheatedCellFillColor);
        mistakeCellFillColor = a.getColor(R.styleable.CrosswordView_mistakeCellFillColor, mistakeCellFillColor);
        selectedWordFillColor = a.getColor(R.styleable.CrosswordView_selectedWordFillColor,
                selectedWordFillColor);
        selectedCellFillColor = a.getColor(R.styleable.CrosswordView_selectedCellFillColor,
                selectedCellFillColor);
        markedCellFillColor = a.getColor(R.styleable.CrosswordView_markedCellFillColor, markedCellFillColor);
        cellStrokeColor = a.getColor(R.styleable.CrosswordView_cellStrokeColor, cellStrokeColor);
        circleStrokeColor = a.getColor(R.styleable.CrosswordView_circleStrokeColor, circleStrokeColor);
        numberTextColor = a.getColor(R.styleable.CrosswordView_numberTextColor, numberTextColor);
        mIsEditable = a.getBoolean(R.styleable.CrosswordView_editable, mIsEditable);
        mSkipOccupiedOnType = a.getBoolean(R.styleable.CrosswordView_skipOccupiedOnType, mSkipOccupiedOnType);
        mSelectFirstUnoccupiedOnNav = a.getBoolean(R.styleable.CrosswordView_selectFirstUnoccupiedOnNav,
                mSelectFirstUnoccupiedOnNav);

        a.recycle();
    }

    mRevealSetsCheatFlag = true;
    mMarkerSideLength = mCellSize * MARKER_TRIANGLE_LENGTH_FRACTION;

    // Init paints
    mCellFillPaint = new Paint();
    mCellFillPaint.setColor(cellFillColor);
    mCellFillPaint.setStyle(Paint.Style.FILL);

    mCheatedCellFillPaint = new Paint();
    mCheatedCellFillPaint.setColor(cheatedCellFillColor);
    mCheatedCellFillPaint.setStyle(Paint.Style.FILL);

    mMistakeCellFillPaint = new Paint();
    mMistakeCellFillPaint.setColor(mistakeCellFillColor);
    mMistakeCellFillPaint.setStyle(Paint.Style.FILL);

    mSelectedWordFillPaint = new Paint();
    mSelectedWordFillPaint.setColor(selectedWordFillColor);
    mSelectedWordFillPaint.setStyle(Paint.Style.FILL);

    mSelectedCellFillPaint = new Paint();
    mSelectedCellFillPaint.setColor(selectedCellFillColor);
    mSelectedCellFillPaint.setStyle(Paint.Style.FILL);

    mMarkedCellFillPaint = new Paint();
    mMarkedCellFillPaint.setColor(markedCellFillColor);
    mMarkedCellFillPaint.setStyle(Paint.Style.FILL);

    mCellStrokePaint = new Paint();
    mCellStrokePaint.setColor(cellStrokeColor);
    mCellStrokePaint.setStyle(Paint.Style.STROKE);
    //      mCellStrokePaint.setStrokeWidth(1);

    mCircleStrokePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mCircleStrokePaint.setColor(circleStrokeColor);
    mCircleStrokePaint.setStyle(Paint.Style.STROKE);
    mCircleStrokePaint.setStrokeWidth(1);

    mNumberTextPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mNumberTextPaint.setColor(numberTextColor);
    mNumberTextPaint.setTextAlign(Paint.Align.CENTER);
    mNumberTextPaint.setTextSize(numberTextSize);

    // Compute number height
    mNumberTextPaint.getTextBounds("0", 0, "0".length(), mTempRect);
    mNumberTextHeight = mTempRect.height();

    mNumberStrokePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mNumberStrokePaint.setColor(cellFillColor);
    mNumberStrokePaint.setTextAlign(Paint.Align.CENTER);
    mNumberStrokePaint.setTextSize(numberTextSize);
    mNumberStrokePaint.setStyle(Paint.Style.STROKE);
    mNumberStrokePaint.setStrokeWidth(NUMBER_TEXT_STROKE_WIDTH * mScaledDensity);

    mAnswerTextPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mAnswerTextPaint.setColor(answerTextColor);
    mAnswerTextPaint.setTextSize(mAnswerTextSize);

    // Init rest of the values
    mCircleRadius = (mCellSize / 2) - mCircleStrokePaint.getStrokeWidth();
    mPuzzleCells = EMPTY_CELLS;
    mPuzzleWidth = 0;
    mPuzzleHeight = 0;
    mAllowedChars = EMPTY_CHARS;

    mRenderScale = 0;
    mBitmapOffset = new PointF();
    mCenteredOffset = new PointF();
    mTranslationBounds = new RectF();

    mScaleDetector = new ScaleGestureDetector(context, new ScaleListener());
    mGestureDetector = new GestureDetector(context, new GestureListener());

    mContentRect = new RectF();
    mPuzzleRect = new RectF();

    mBitmapPaint = new Paint(Paint.FILTER_BITMAP_FLAG);

    mScroller = new Scroller(context, null, true);
    mZoomer = new Zoomer(context);
    mUndoBuffer = new Stack<>();

    setFocusableInTouchMode(mIsEditable && mInputMode != INPUT_MODE_NONE);
    setOnKeyListener(this);
}

From source file:com.tr4android.support.extension.widget.CollapsingTextHelper.java

private void ensureExpandedTexture() {
    if (mExpandedTitleTexture != null || mExpandedBounds.isEmpty() || TextUtils.isEmpty(mTextToDraw)) {
        return;//w  w  w  .j av a 2  s  .  c om
    }

    calculateOffsets(0f);
    mTextureAscent = mTextPaint.ascent();
    mTextureDescent = mTextPaint.descent();

    final int w = Math.round(mTextPaint.measureText(mTextToDraw, 0, mTextToDraw.length()));
    final int h = Math.round(mTextureDescent - mTextureAscent);

    if (w <= 0 && h <= 0) {
        return; // If the width or height are 0, return
    }

    mExpandedTitleTexture = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);

    Canvas c = new Canvas(mExpandedTitleTexture);
    c.drawText(mTextToDraw, 0, mTextToDraw.length(), 0, h - mTextPaint.descent(), mTextPaint);

    if (mTexturePaint == null) {
        // Make sure we have a paint
        mTexturePaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
    }
}

From source file:android.support.design.widget.CollapsingTextHelper.java

private void ensureExpandedTexture() {
    if (mExpandedTitleTexture != null || mExpandedBounds.isEmpty() || TextUtils.isEmpty(mTextToDraw)) {
        return;//w  ww .  j  a va 2  s. c o  m
    }

    calculateOffsets(0f);
    mTextureAscent = mTextPaint.ascent();
    mTextureDescent = mTextPaint.descent();

    final int w = Math.round(mTextPaint.measureText(mTextToDraw, 0, mTextToDraw.length()));
    final int h = Math.round(mTextureDescent - mTextureAscent);

    if (w <= 0 || h <= 0) {
        return; // If the width or height are 0, return
    }

    mExpandedTitleTexture = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);

    Canvas c = new Canvas(mExpandedTitleTexture);
    c.drawText(mTextToDraw, 0, mTextToDraw.length(), 0, h - mTextPaint.descent(), mTextPaint);

    if (mTexturePaint == null) {
        // Make sure we have a paint
        mTexturePaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
    }
}

From source file:org.buffer.android.buffertextinputlayout.util.CollapsingTextHelper.java

private void ensureExpandedTexture() {
    if (mExpandedTitleTexture != null || mExpandedBounds.isEmpty() || TextUtils.isEmpty(mTextToDraw)) {
        return;//  ww  w . j av  a  2s. c  o m
    }
    calculateOffsets(0f);
    mTextureAscent = mTextPaint.ascent();
    mTextureDescent = mTextPaint.descent();
    final int w = Math.round(mTextPaint.measureText(mTextToDraw, 0, mTextToDraw.length()));
    final int h = Math.round(mTextureDescent - mTextureAscent);
    if (w <= 0 || h <= 0) {
        return; // If the width or height are 0, return
    }
    mExpandedTitleTexture = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
    Canvas c = new Canvas(mExpandedTitleTexture);
    c.drawText(mTextToDraw, 0, mTextToDraw.length(), 0, h - mTextPaint.descent(), mTextPaint);
    if (mTexturePaint == null) {
        // Make sure we have a paint
        mTexturePaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
    }
}

From source file:net.opacapp.multilinecollapsingtoolbar.CollapsingTextHelper.java

private void ensureExpandedTexture() {
    if (mExpandedTitleTexture != null || mExpandedBounds.isEmpty() || TextUtils.isEmpty(mTextToDraw)) {
        return;/*from   www  .  j a v a 2s .com*/
    }
    calculateOffsets(0f);

    // BEGIN MODIFICATION: Calculate width and height using mTextLayout and remove
    // mTextureAscent and mTextureDescent assignment
    final int w = mTextLayout.getWidth();
    final int h = mTextLayout.getHeight();
    // END MODIFICATION

    if (w <= 0 || h <= 0) {
        return; // If the width or height are 0, return
    }
    mExpandedTitleTexture = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);

    // BEGIN MODIFICATION: Draw text using mTextLayout
    Canvas c = new Canvas(mExpandedTitleTexture);
    mTextLayout.draw(c);
    // END MODIFICATION
    if (mTexturePaint == null) {
        // Make sure we have a paint
        mTexturePaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
    }
}