Examples with TextHitInfo java.awt.font.TextHitInfo used on opensource projects

Example 11 with TextHitInfo

use of java.awt.font.TextHitInfo in project jdk8u_jdk by JetBrains.

the class LigatureCaretTest method testLamAlef.

/**
     * Ensure proper careting and hit-testing behavior with
     * a lam-alef ligature.
     * If the test fails, an Error is thrown.
     * @exception an Error is thrown if the test fails
     */
public static void testLamAlef() {
    // lam-alef form a mandantory ligature.
    final String lamAlef = "لا";
    final String ltrText = "abcd";
    // Create a TextLayout with just a lam-alef sequence.  There
    // should only be two valid caret positions:  one at
    // insertion offset 0 and the other at insertion offset 2.
    TextLayout layout = new TextLayout(lamAlef, map, frc);
    TextHitInfo hit;
    hit = layout.getNextLeftHit(0);
    if (hit.getInsertionIndex() != 2) {
        throw new Error("Left hit failed.  Hit:" + hit);
    }
    hit = layout.getNextRightHit(2);
    if (hit.getInsertionIndex() != 0) {
        throw new Error("Right hit failed.  Hit:" + hit);
    }
    hit = layout.hitTestChar(layout.getAdvance() / 2, 0);
    if (hit.getInsertionIndex() != 0 && hit.getInsertionIndex() != 2) {
        throw new Error("Hit-test allowed incorrect caret.  Hit:" + hit);
    }
    // Create a TextLayout with some left-to-right text
    // before the lam-alef sequence.  There should not be
    // a caret position between the lam and alef.
    layout = new TextLayout(ltrText + lamAlef, map, frc);
    final int ltrLen = ltrText.length();
    final int layoutLen = layout.getCharacterCount();
    for (int i = 0; i < ltrLen; i++) {
        hit = layout.getNextRightHit(i);
        if (hit.getInsertionIndex() != i + 1) {
            throw new Error("Right hit failed in ltr text.");
        }
    }
    hit = layout.getNextRightHit(ltrLen);
    if (layoutLen != hit.getInsertionIndex()) {
        throw new Error("Right hit failed at direction boundary.");
    }
    hit = layout.getNextLeftHit(layoutLen);
    if (hit.getInsertionIndex() != ltrLen) {
        throw new Error("Left hit failed at end of text.");
    }
}

Example 12 with TextHitInfo

use of java.awt.font.TextHitInfo in project jdk8u_jdk by JetBrains.

the class LigatureCaretTest method testBidiWithNumbers.

/**
     * Caret through text mixed-direction text and check the results.
     * If the test fails an Error is thrown.
     * @exception an Error is thrown if the test fails
     */
public static void testBidiWithNumbers() {
    String bidiWithNumbers = "abcאבג123abc";
    // visual order for the text:
    // abc123<gimel><bet><aleph>abc
    int[] carets = { 0, 1, 2, 3, 7, 8, 6, 5, 4, 9, 10, 11, 12 };
    TextLayout layout = new TextLayout(bidiWithNumbers, map, frc);
    // Caret through TextLayout in both directions and check results.
    for (int i = 0; i < carets.length - 1; i++) {
        TextHitInfo hit = layout.getNextRightHit(carets[i]);
        if (hit.getInsertionIndex() != carets[i + 1]) {
            throw new Error("right hit failed within layout");
        }
    }
    if (layout.getNextRightHit(carets[carets.length - 1]) != null) {
        throw new Error("right hit failed at end of layout");
    }
    for (int i = carets.length - 1; i > 0; i--) {
        TextHitInfo hit = layout.getNextLeftHit(carets[i]);
        if (hit.getInsertionIndex() != carets[i - 1]) {
            throw new Error("left hit failed within layout");
        }
    }
    if (layout.getNextLeftHit(carets[0]) != null) {
        throw new Error("left hit failed at end of layout");
    }
}