Examples with Bidi java.text.Bidi used on opensource projects

Example 26 with Bidi

use of java.text.Bidi in project jdk8u_jdk by JetBrains.

the class BidiConformance method testMethod_requiresBidi.

private void testMethod_requiresBidi() {
    System.out.println("*** Test requiresBidi()");
    String paragraph;
    char[] text;
    Bidi bidi;
    for (int textNo = 0; textNo < data4Constructor2.length; textNo++) {
        paragraph = data4Constructor2[textNo][0];
        text = paragraph.toCharArray();
        boolean rBidi = Bidi.requiresBidi(text, 0, text.length);
        if (rBidi != requiresBidi4Constructor2[textNo]) {
            error = true;
            System.err.println("Unexpected requiresBidi() value" + " for requiresBidi(\"" + paragraph + "\", " + 0 + ", " + text.length + ")." + "\n    Expected: " + requiresBidi4Constructor2[textNo] + "\n    Got     : " + rBidi);
        } else if (verbose) {
            System.out.println("  Okay : requiresBidi() for" + " requiresBidi(\"" + paragraph + "\", " + 0 + ", " + text.length + ")  Got: " + rBidi);
        }
    }
    char[] txt = { 'A', 'B', 'C', 'D', 'E' };
    int textLength = txt.length;
    try {
        Bidi.requiresBidi(txt, -1, textLength);
        errorHandling("requiresBidi() should throw an IAE" + " when start is -1(too small).");
    } catch (IllegalArgumentException e) {
    } catch (ArrayIndexOutOfBoundsException e) {
        errorHandling("requiresBidi() should not throw an AIOoBE " + "but an IAE when start is -1(too small).");
    }
    try {
        Bidi.requiresBidi(txt, textLength, textLength);
    } catch (Exception e) {
        errorHandling("requiresBidi() should not throw an exception " + "when start is textLength.");
    }
    try {
        Bidi.requiresBidi(txt, textLength + 1, textLength);
        errorHandling("requiresBidi() should throw an IAE" + " when start is textLength+1(too large).");
    } catch (IllegalArgumentException e) {
    }
    try {
        Bidi.requiresBidi(txt, 0, -1);
        errorHandling("requiresBidi() should throw an IAE" + " when limit is -1(too small).");
    } catch (IllegalArgumentException e) {
    }
    try {
        Bidi.requiresBidi(txt, 0, textLength + 1);
        errorHandling("requiresBidi() should throw an IAE" + " when limit is textLength+1(too large).");
    } catch (IllegalArgumentException e) {
    } catch (ArrayIndexOutOfBoundsException e) {
        errorHandling("requiresBidi() should not throw an AIOoBE " + "but an IAE when limit is textLength+1(too large).");
    }
}

Example 27 with Bidi

use of java.text.Bidi in project jdk8u_jdk by JetBrains.

the class TextLine method createLineFromText.

/**
     * Create a TextLine from the Font and character data over the
     * range.  The range is relative to both the StyledParagraph and the
     * character array.
     */
public static TextLine createLineFromText(char[] chars, StyledParagraph styledParagraph, TextLabelFactory factory, boolean isDirectionLTR, float[] baselineOffsets) {
    factory.setLineContext(0, chars.length);
    Bidi lineBidi = factory.getLineBidi();
    int[] charsLtoV = null;
    byte[] levels = null;
    if (lineBidi != null) {
        levels = BidiUtils.getLevels(lineBidi);
        int[] charsVtoL = BidiUtils.createVisualToLogicalMap(levels);
        charsLtoV = BidiUtils.createInverseMap(charsVtoL);
    }
    TextLineComponent[] components = getComponents(styledParagraph, chars, 0, chars.length, charsLtoV, levels, factory);
    return new TextLine(factory.getFontRenderContext(), components, baselineOffsets, chars, 0, chars.length, charsLtoV, levels, isDirectionLTR);
}

Example 28 with Bidi

use of java.text.Bidi in project jdk8u_jdk by JetBrains.

the class TextMeasurer method deleteChar.

/**
     * Updates the <code>TextMeasurer</code> after a single character has
     * been deleted
     * from the paragraph currently represented by this
     * <code>TextMeasurer</code>.  After this call, this
     * <code>TextMeasurer</code> is equivalent to a new <code>TextMeasurer</code>
     * created from the text;  however, it will usually be more efficient
     * to update an existing <code>TextMeasurer</code> than to create a new one
     * from scratch.
     *
     * @param newParagraph the text of the paragraph after performing
     * the deletion.  Cannot be null.
     * @param deletePos the position in the text where the character was removed.
     * Must not be less than
     * the start of <code>newParagraph</code>, and must not be greater than the
     * end of <code>newParagraph</code>.
     * @throws IndexOutOfBoundsException if <code>deletePos</code> is
     *         less than the start of <code>newParagraph</code> or greater
     *         than the end of <code>newParagraph</code>
     * @throws NullPointerException if <code>newParagraph</code> is
     *         <code>null</code>
     */
public void deleteChar(AttributedCharacterIterator newParagraph, int deletePos) {
    fStart = newParagraph.getBeginIndex();
    int end = newParagraph.getEndIndex();
    if (end - fStart != fChars.length - 1) {
        initAll(newParagraph);
    }
    char[] newChars = new char[end - fStart];
    int changedIndex = deletePos - fStart;
    System.arraycopy(fChars, 0, newChars, 0, deletePos - fStart);
    System.arraycopy(fChars, changedIndex + 1, newChars, changedIndex, end - deletePos);
    fChars = newChars;
    if (fBidi != null) {
        fBidi = new Bidi(newParagraph);
        if (fBidi.isLeftToRight()) {
            fBidi = null;
        }
    }
    fParagraph = StyledParagraph.deleteChar(newParagraph, fChars, deletePos, fParagraph);
    invalidateComponents();
}

Example 29 with Bidi

use of java.text.Bidi in project jdk8u_jdk by JetBrains.

the class TextMeasurer method insertChar.

/**
     * Updates the <code>TextMeasurer</code> after a single character has
     * been inserted
     * into the paragraph currently represented by this
     * <code>TextMeasurer</code>.  After this call, this
     * <code>TextMeasurer</code> is equivalent to a new
     * <code>TextMeasurer</code> created from the text;  however, it will
     * usually be more efficient to update an existing
     * <code>TextMeasurer</code> than to create a new one from scratch.
     *
     * @param newParagraph the text of the paragraph after performing
     * the insertion.  Cannot be null.
     * @param insertPos the position in the text where the character was
     * inserted.  Must not be less than the start of
     * <code>newParagraph</code>, and must be less than the end of
     * <code>newParagraph</code>.
     * @throws IndexOutOfBoundsException if <code>insertPos</code> is less
     *         than the start of <code>newParagraph</code> or greater than
     *         or equal to the end of <code>newParagraph</code>
     * @throws NullPointerException if <code>newParagraph</code> is
     *         <code>null</code>
     */
public void insertChar(AttributedCharacterIterator newParagraph, int insertPos) {
    if (collectStats) {
        printStats();
    }
    if (wantStats) {
        collectStats = true;
    }
    fStart = newParagraph.getBeginIndex();
    int end = newParagraph.getEndIndex();
    if (end - fStart != fChars.length + 1) {
        initAll(newParagraph);
    }
    char[] newChars = new char[end - fStart];
    int newCharIndex = insertPos - fStart;
    System.arraycopy(fChars, 0, newChars, 0, newCharIndex);
    char newChar = newParagraph.setIndex(insertPos);
    newChars[newCharIndex] = newChar;
    System.arraycopy(fChars, newCharIndex, newChars, newCharIndex + 1, end - insertPos - 1);
    fChars = newChars;
    if (fBidi != null || Bidi.requiresBidi(newChars, newCharIndex, newCharIndex + 1) || newParagraph.getAttribute(TextAttribute.BIDI_EMBEDDING) != null) {
        fBidi = new Bidi(newParagraph);
        if (fBidi.isLeftToRight()) {
            fBidi = null;
        }
    }
    fParagraph = StyledParagraph.insertChar(newParagraph, fChars, insertPos, fParagraph);
    invalidateComponents();
}

Example 30 with Bidi

use of java.text.Bidi in project jdk8u_jdk by JetBrains.

the class TextMeasurer method makeTextLineOnRange.

private TextLine makeTextLineOnRange(int startPos, int limitPos) {
    int[] charsLtoV = null;
    byte[] charLevels = null;
    if (fBidi != null) {
        Bidi lineBidi = fBidi.createLineBidi(startPos, limitPos);
        charLevels = BidiUtils.getLevels(lineBidi);
        int[] charsVtoL = BidiUtils.createVisualToLogicalMap(charLevels);
        charsLtoV = BidiUtils.createInverseMap(charsVtoL);
    }
    TextLineComponent[] components = makeComponentsOnRange(startPos, limitPos);
    return new TextLine(fFrc, components, fBaselineOffsets, fChars, startPos, limitPos, charsLtoV, charLevels, fIsDirectionLTR);
}