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

Example 86 with TextLayout

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

the class PathGraphics method drawString.

public void drawString(String str, float x, float y) {
    if (str.length() == 0) {
        return;
    }
    TextLayout layout = new TextLayout(str, getFont(), getFontRenderContext());
    layout.draw(this, x, y);
}

Example 87 with TextLayout

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

the class DrawTest method main.

public static void main(String[] args) {
    final JFrame frame = new JFrame();
    frame.getContentPane().setPreferredSize(new Dimension(116, 75));
    frame.pack();
    frame.setVisible(true);
    Insets insets = frame.getInsets();
    System.out.println(insets);
    final JPanel panel = new JPanel() {

        private void drawString(Graphics g, Font font) {
            g.setFont(font);
            g.drawString(txt, 0, 32);
        }

        private void drawTextLayout(Graphics g, Font font) {
            TextLayout tl = new TextLayout(txt, font, g.getFontMetrics(font).getFontRenderContext());
            tl.draw((Graphics2D) g, 0, 65);
        }

        /**
             * @see javax.swing.JComponent#paintComponent(java.awt.Graphics)
             */
        @Override
        protected void paintComponent(Graphics g) {
            g.setColor(Color.WHITE);
            g.fillRect(0, 0, getWidth(), getHeight());
            g.setColor(Color.BLACK);
            int width;
            TextLayout tl;
            if (testCaseNo == 1) {
                // Ok.
                // For the PLAIN font, the text painted by g.drawString and the text layout are the same.
                testCaseName = "PLAIN";
                errMsg = "plained";
                drawString(g, plain);
                drawTextLayout(g, plain);
            } else {
                // Not Ok.
                // For the BOLD font, the text painted by g.drawString and the text layout are NOT the same.
                testCaseName = "BOLD";
                errMsg = "bolded";
                drawString(g, bold);
                drawTextLayout(g, bold);
            }
        }
    };
    frame.getContentPane().add(panel);
    frame.setVisible(true);
    for (testCaseNo = 1; testCaseNo <= 2; testCaseNo++) {
        BufferedImage paintImage = getScreenShot(panel);
        if (testCaseNo == 2) {
            panel.revalidate();
            panel.repaint();
        }
        paintImage = getScreenShot(panel);
        int width1 = charWidth(paintImage, 0, 9, 116, 23);
        int width2 = charWidth(paintImage, 0, 42, 116, 23);
        if (width1 != width2) {
            System.out.println(testCaseName + " test case FAILED");
            isPassed = false;
        } else
            System.out.println(testCaseName + " test case PASSED");
    }
    frame.dispose();
    if (!isPassed) {
        throw new RuntimeException(errMsg + " logical fonts (Serif) was not correctly handled");
    }
}

Example 88 with TextLayout

use of java.awt.font.TextLayout 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 89 with TextLayout

use of java.awt.font.TextLayout 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");
    }
}

Example 90 with TextLayout

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

the class CombiningPerf method main.

public static void main(String[] args) throws Exception {
    System.err.println("start");
    GraphicsEnvironment.getLocalGraphicsEnvironment();
    font = new Font("Lucida Sans Regular", PLAIN, 12);
    frc = new FontRenderContext(null, false, false);
    String ascii = "the characters are critical noodles?";
    String french = "l'aperçu caractère one été créés";
    String frenchX = "l'aperçu caractère one été eréés";
    // warmup
    for (int i = 0; i < 100; ++i) {
        TextLayout tl = new TextLayout(french, font, frc);
        tl = new TextLayout(ascii, font, frc);
        tl = new TextLayout(frenchX, font, frc);
    }
    /**/
    long atime = test(ascii);
    System.err.println("atime: " + (atime / 1000000.0) + " length: " + ascii.length());
    long ftime = test(french);
    System.err.println("ftime: " + (ftime / 1000000.0) + " length: " + french.length());
    long xtime = test(frenchX);
    System.err.println("xtime: " + (xtime / 1000000.0) + " length: " + frenchX.length());
    long limit = xtime * 2 / 3;
    if (atime > limit || ftime > limit) {
        throw new Exception("took too long");
    }
/**/
}