Java Code Examples for android.text.Layout#DIR_LEFT_TO_RIGHT

The following examples show how to use android.text.Layout#DIR_LEFT_TO_RIGHT . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: HtmlCompat.java    From HtmlCompat with Apache License 2.0 6 votes vote down vote up 
private static String getTextDirection(Spanned text, int start, int end) {
        // FIXME not supported
        int paraDir = Layout.DIR_LEFT_TO_RIGHT;
//        final int len = end - start;
//        final byte[] levels = ArrayUtils.newUnpaddedByteArray(len);
//        final char[] buffer = TextUtils.obtain(len);
//        TextUtils.getChars(text, start, end, buffer, 0);
//        int paraDir = AndroidBidi.bidi(Layout.DIR_REQUEST_DEFAULT_LTR, buffer, levels, len,
//                false /* no info */);
        switch (paraDir) {
            case Layout.DIR_RIGHT_TO_LEFT:
                return " dir=\"rtl\"";
            case Layout.DIR_LEFT_TO_RIGHT:
            default:
                return " dir=\"ltr\"";
        }
    }
Example 2
Source File: UrlBar.java    From delion with Apache License 2.0 6 votes vote down vote up 
/**
 * If the direction of the URL has changed, update mUrlDirection and notify the
 * UrlDirectionListeners.
 */
private void updateUrlDirection() {
    Layout layout = getLayout();
    if (layout == null) return;

    int urlDirection;
    if (length() == 0) {
        urlDirection = LAYOUT_DIRECTION_LOCALE;
    } else if (layout.getParagraphDirection(0) == Layout.DIR_LEFT_TO_RIGHT) {
        urlDirection = LAYOUT_DIRECTION_LTR;
    } else {
        urlDirection = LAYOUT_DIRECTION_RTL;
    }

    if (urlDirection != mUrlDirection) {
        mUrlDirection = urlDirection;
        if (mUrlDirectionListener != null) {
            mUrlDirectionListener.onUrlDirectionChanged(urlDirection);
        }
    }
}
Example 3
Source File: Html.java    From ForPDA with GNU General Public License v3.0 6 votes vote down vote up 
private static String getTextDirection(Spanned text, int start, int end) {
    /*final int len = end - start;
    final byte[] levels = ArrayUtils.newUnpaddedByteArray(len);
    final char[] buffer = TextUtils.obtain(len);
    TextUtils.getChars(text, start, end, buffer, 0);
    int paraDir = AndroidBidi.bidi(Layout.DIR_REQUEST_DEFAULT_LTR, buffer, levels, len,
            false *//* no info *//*);*/
    int paraDir = Layout.DIR_LEFT_TO_RIGHT;
    switch (paraDir) {
        case Layout.DIR_RIGHT_TO_LEFT:
            return " dir=\"rtl\"";
        case Layout.DIR_LEFT_TO_RIGHT:
        default:
            return " dir=\"ltr\"";
    }
}
Example 4
Source File: UrlBar.java    From AndroidChromium with Apache License 2.0 6 votes vote down vote up 
/**
 * If the direction of the URL has changed, update mUrlDirection and notify the
 * UrlDirectionListeners.
 */
private void updateUrlDirection() {
    Layout layout = getLayout();
    if (layout == null) return;

    int urlDirection;
    if (length() == 0) {
        urlDirection = LAYOUT_DIRECTION_LOCALE;
    } else if (layout.getParagraphDirection(0) == Layout.DIR_LEFT_TO_RIGHT) {
        urlDirection = LAYOUT_DIRECTION_LTR;
    } else {
        urlDirection = LAYOUT_DIRECTION_RTL;
    }

    if (urlDirection != mUrlDirection) {
        mUrlDirection = urlDirection;
        if (mUrlDirectionListener != null) {
            mUrlDirectionListener.onUrlDirectionChanged(urlDirection);
        }
    }
}
Example 5
Source File: UrlBar.java    From 365browser with Apache License 2.0 6 votes vote down vote up 
/**
 * If the direction of the URL has changed, update mUrlDirection and notify the
 * UrlDirectionListeners.
 */
private void updateUrlDirection() {
    Layout layout = getLayout();
    if (layout == null) return;

    int urlDirection;
    if (length() == 0) {
        urlDirection = LAYOUT_DIRECTION_LOCALE;
    } else if (layout.getParagraphDirection(0) == Layout.DIR_LEFT_TO_RIGHT) {
        urlDirection = LAYOUT_DIRECTION_LTR;
    } else {
        urlDirection = LAYOUT_DIRECTION_RTL;
    }

    if (urlDirection != mUrlDirection) {
        mUrlDirection = urlDirection;
        if (mUrlDirectionListener != null) {
            mUrlDirectionListener.onUrlDirectionChanged(urlDirection);
        }
    }
}
Example 6
Source File: ComposedFrame.java    From Tehreer-Android with Apache License 2.0 4 votes vote down vote up 
/**
 * Draws this frame onto the given <code>canvas</code> using the given <code>renderer</code>.
 *
 * @param renderer The renderer to use for drawing this frame.
 * @param canvas The canvas onto which to draw this frame.
 * @param x The x- position at which to draw this frame.
 * @param y The y- position at which to draw this frame.
 */
public void draw(@NonNull Renderer renderer, @NonNull Canvas canvas, float x, float y) {
    canvas.translate(x, y);

    drawBackground(canvas);

    int lineCount = lineList.size();
    for (int i = 0; i < lineCount; i++) {
        ComposedLine composedLine = lineList.get(i);
        Object[] lineSpans = composedLine.getSpans();

        int lineLeft = 0;
        int lineRight = (int) (mWidth + 0.5f);

        // Draw leading margins of this line.
        for (Object style : lineSpans) {
            if (style instanceof LeadingMarginSpan) {
                LeadingMarginSpan span = (LeadingMarginSpan) style;

                byte paragraphLevel = composedLine.getParagraphLevel();
                boolean isLTR = (paragraphLevel & 1) == 0;

                Paint paint = lazyPaint();
                int margin = (isLTR ? lineLeft : lineRight);
                int direction = (isLTR ? Layout.DIR_LEFT_TO_RIGHT : Layout.DIR_RIGHT_TO_LEFT);
                int lineTop = (int) (composedLine.getTop() + 0.5f);
                int lineBaseline = (int) (composedLine.getOriginY() + 0.5f);
                int lineBottom = (int) (composedLine.getTop() + composedLine.getHeight() + 0.5f);
                Spanned sourceText = (Spanned) source;
                int lineStart = composedLine.getCharStart();
                int lineEnd = composedLine.getCharEnd();
                boolean isFirst = composedLine.isFirst();

                span.drawLeadingMargin(canvas, paint, margin, direction,
                                       lineTop, lineBaseline, lineBottom,
                                       sourceText, lineStart, lineEnd, isFirst, null);

                if (isLTR) {
                    lineLeft += span.getLeadingMargin(isFirst);
                } else {
                    lineRight -= span.getLeadingMargin(isFirst);
                }
            }
        }

        composedLine.draw(renderer, canvas, composedLine.getOriginX(), composedLine.getOriginY());
    }

    canvas.translate(-x, -y);
}