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

Example 1 with AttributedCharacterIterator

use of java.text.AttributedCharacterIterator in project OpenNotebook by jaltekruse.

the class TextObjectGUI method drawMathObject.

public void drawMathObject(TextObject object, Graphics g, Point pageOrigin, float zoomLevel) {
    ScaledSizeAndPosition sap = getSizeAndPositionWithFontSize(object, pageOrigin, zoomLevel, object.getFontSize());
    if (!object.getText().equals("")) {
        Font f = g.getFont();
        String message = object.getText();
        g.setFont(f.deriveFont(sap.getFontSize()));
        g.setColor(Color.BLACK);
        Graphics2D graphics2D = (Graphics2D) g;
        GraphicsEnvironment.getLocalGraphicsEnvironment();
        AttributedString messageAS = new AttributedString(message);
        messageAS.addAttribute(TextAttribute.FONT, g.getFont());
        AttributedCharacterIterator messageIterator = messageAS.getIterator();
        FontRenderContext messageFRC = graphics2D.getFontRenderContext();
        LineBreakMeasurer messageLBM = new LineBreakMeasurer(messageIterator, messageFRC);
        Insets insets = new Insets(2, 2, 2, 2);
        float wrappingWidth = sap.getWidth() - insets.left - insets.right;
        float x = sap.getxOrigin() + insets.left;
        float y = sap.getyOrigin() + insets.top;
        try {
            TextLayout textLayout;
            while (messageLBM.getPosition() < messageIterator.getEndIndex()) {
                textLayout = messageLBM.nextLayout(wrappingWidth);
                y += textLayout.getAscent();
                if (object.getAlignment().equals(TextObject.LEFT)) {
                    textLayout.draw(graphics2D, x, y);
                } else if (object.getAlignment().equals(TextObject.RIGHT)) {
                    textLayout.draw(graphics2D, x + (float) (wrappingWidth - textLayout.getBounds().getWidth()), y);
                } else {
                    //centered
                    textLayout.draw(graphics2D, x + (float) (wrappingWidth - textLayout.getBounds().getWidth()) / 2, y);
                }
                y += textLayout.getDescent() + textLayout.getLeading();
                x = sap.getxOrigin() + insets.left;
            }
        } catch (Exception e) {
        // TODO - logging and error reporting to user
        //				System.out.println("error with text rendering");
        }
        object.setHeight((int) ((y - sap.getyOrigin()) / zoomLevel));
        g.setFont(f);
    } else {
        // draw the black box around the text box if nothing is in it
        g.setColor(Color.BLACK);
        g.drawRect(sap.getxOrigin(), sap.getyOrigin(), (int) (object.getWidth() * zoomLevel), (int) (object.getHeight() * zoomLevel));
    }
    if (((BooleanAttribute) object.getAttributeWithName(TextObject.SHOW_BOX)).getValue()) {
        g.setColor(Color.BLACK);
        g.drawRect(sap.getxOrigin(), sap.getyOrigin(), sap.getWidth(), sap.getHeight());
    }
}

Example 2 with AttributedCharacterIterator

use of java.text.AttributedCharacterIterator in project robovm by robovm.

the class OldAttributedStringTest method test_ConstructorLAttributedCharacterIterator_3.

public void test_ConstructorLAttributedCharacterIterator_3() {
    String testString = "Test string";
    AttributedString attrString = new AttributedString(testString);
    AttributedCharacterIterator iter = attrString.getIterator();
    AttributedString attrString2;
    attrString2 = new AttributedString(iter, 2, 7, new AttributedCharacterIterator.Attribute[] {});
    assertEqualString("String must match!", "st st", attrString2);
    attrString2 = new AttributedString(iter, 2, 7, null);
    assertEqualString("String must match!", "st st", attrString2);
}

Example 3 with AttributedCharacterIterator

use of java.text.AttributedCharacterIterator in project robovm by robovm.

the class OldAttributedStringTest method test_addAttributeLjava_text_AttributedCharacterIterator$AttributeLjava_lang_ObjectII.

public void test_addAttributeLjava_text_AttributedCharacterIterator$AttributeLjava_lang_ObjectII() {
    AttributedString as = new AttributedString("test");
    as.addAttribute(AttributedCharacterIterator.Attribute.LANGUAGE, "a", 2, 3);
    AttributedCharacterIterator it = as.getIterator();
    assertEquals("non-null value limit", 2, it.getRunLimit(AttributedCharacterIterator.Attribute.LANGUAGE));
    as = new AttributedString("test");
    as.addAttribute(AttributedCharacterIterator.Attribute.LANGUAGE, null, 2, 3);
    it = as.getIterator();
    assertEquals("null value limit", 4, it.getRunLimit(AttributedCharacterIterator.Attribute.LANGUAGE));
    try {
        as = new AttributedString("test");
        as.addAttribute(AttributedCharacterIterator.Attribute.LANGUAGE, null, -1, 3);
        fail("Expected IllegalArgumentException");
    } catch (IllegalArgumentException e) {
    // Expected
    }
    // regression for Harmony-1244
    as = new AttributedString("123", new WeakHashMap());
    try {
        as.addAttribute(null, new TreeSet(), 0, 1);
        fail("should throw NullPointerException");
    } catch (NullPointerException e) {
    // expected
    }
    try {
        as.addAttribute(null, new TreeSet(), -1, 1);
        fail("should throw NullPointerException");
    } catch (NullPointerException e) {
    // expected
    }
}

Example 4 with AttributedCharacterIterator

use of java.text.AttributedCharacterIterator in project robovm by robovm.

the class OldAttributedStringTest method test_getIterator$Ljava_text_AttributedCharacterIterator$AttributeII.

/**
     * java.text.AttributedString#getIterator(AttributedCharacterIterator.Attribute[],
     *        int, int) Test of method
     *        java.text.AttributedString#getIterator(AttributedCharacterIterator.Attribute[],
     *        int, int).
     */
public void test_getIterator$Ljava_text_AttributedCharacterIterator$AttributeII() {
    String test = "Test string";
    try {
        Map<AttributedCharacterIterator.Attribute, String> hm = new HashMap<AttributedCharacterIterator.Attribute, String>();
        AttributedCharacterIterator.Attribute[] aci = new AttributedCharacterIterator.Attribute[3];
        aci[0] = new TestAttributedCharacterIteratorAttribute("att1");
        aci[1] = new TestAttributedCharacterIteratorAttribute("att2");
        aci[2] = new TestAttributedCharacterIteratorAttribute("att3");
        hm.put(aci[0], "value1");
        hm.put(aci[1], "value2");
        AttributedString attrString = new AttributedString(test);
        attrString.addAttributes(hm, 2, 4);
        AttributedCharacterIterator it = attrString.getIterator(aci, 1, 5);
        assertTrue("Incorrect iteration on AttributedString", it.getAttribute(aci[0]) == null);
        assertTrue("Incorrect iteration on AttributedString", it.getAttribute(aci[1]) == null);
        assertTrue("Incorrect iteration on AttributedString", it.getAttribute(aci[2]) == null);
        it.next();
        assertTrue("Incorrect iteration on AttributedString", it.getAttribute(aci[0]).equals("value1"));
        assertTrue("Incorrect iteration on AttributedString", it.getAttribute(aci[1]).equals("value2"));
        assertTrue("Incorrect iteration on AttributedString", it.getAttribute(aci[2]) == null);
        try {
            attrString.getIterator(aci, -1, 5);
            fail("IllegalArgumentException is not thrown.");
        } catch (IllegalArgumentException iae) {
        //expected
        }
        try {
            attrString.getIterator(aci, 6, 5);
            fail("IllegalArgumentException is not thrown.");
        } catch (IllegalArgumentException iae) {
        //expected
        }
        try {
            attrString.getIterator(aci, 3, 2);
            fail("IllegalArgumentException is not thrown.");
        } catch (IllegalArgumentException iae) {
        //expected
        }
    } catch (Exception e) {
        fail("Unexpected exceptiption " + e.toString());
    }
}

Example 5 with AttributedCharacterIterator

use of java.text.AttributedCharacterIterator in project robovm by robovm.

the class OldAttributedStringTest method assertEqualString.

static void assertEqualString(String msg, String expected, AttributedString attrString) {
    AttributedCharacterIterator it = attrString.getIterator();
    StringBuffer buf = new StringBuffer();
    buf.append(it.first());
    char ch;
    while ((ch = it.next()) != CharacterIterator.DONE) buf.append(ch);
    assertEquals(msg, expected, buf.toString());
}