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

Example 21 with AttributedString

use of java.text.AttributedString in project poi by apache.

the class DrawTextParagraph method mapFontCharset.

/**
     * Map text charset depending on font family.
     * Currently this only maps for wingdings font (into unicode private use area)
     *
     * @param text the raw text
     * @param fontFamily the font family
     * @return AttributedString with mapped codepoints
     *
     * @see <a href="http://stackoverflow.com/questions/8692095">Drawing exotic fonts in a java applet</a>
     * @see StringUtil#mapMsCodepointString(String)
     */
protected String mapFontCharset(String text, String fontFamily) {
    // TODO: find a real charset mapping solution instead of hard coding for Wingdings
    String attStr = text;
    if ("Wingdings".equalsIgnoreCase(fontFamily)) {
        // wingdings doesn't contain high-surrogates, so chars are ok
        boolean changed = false;
        char[] chrs = attStr.toCharArray();
        for (int i = 0; i < chrs.length; i++) {
            // only change valid chars
            if ((0x20 <= chrs[i] && chrs[i] <= 0x7f) || (0xa0 <= chrs[i] && chrs[i] <= 0xff)) {
                chrs[i] |= 0xf000;
                changed = true;
            }
        }
        if (changed) {
            attStr = new String(chrs);
        }
    }
    return attStr;
}

Example 22 with AttributedString

use of java.text.AttributedString in project poi by apache.

the class SheetUtil method getDefaultCharWidth.

/**
     * Get default character width using the Workbook's default font
     *
     * @param wb the workbook to get the default character width from
     * @return default character width in pixels
     */
@Internal
public static int getDefaultCharWidth(final Workbook wb) {
    Font defaultFont = wb.getFontAt((short) 0);
    AttributedString str = new AttributedString(String.valueOf(defaultChar));
    copyAttributes(defaultFont, str, 0, 1);
    TextLayout layout = new TextLayout(str.getIterator(), fontRenderContext);
    return (int) layout.getAdvance();
}

Example 23 with AttributedString

use of java.text.AttributedString in project intellij-community by JetBrains.

the class SimpleColoredComponent method createAndCacheTextLayout.

private TextLayout createAndCacheTextLayout(int fragmentIndex, Font basefont, FontRenderContext fontRenderContext) {
    String text = myFragments.get(fragmentIndex);
    AttributedString string = new AttributedString(text);
    int start = 0;
    int end = text.length();
    AttributedCharacterIterator it = string.getIterator(new AttributedCharacterIterator.Attribute[0], start, end);
    Font currentFont = basefont;
    int currentIndex = start;
    for (char c = it.first(); c != CharacterIterator.DONE; c = it.next()) {
        Font font = basefont;
        if (!font.canDisplay(c)) {
            for (SuitableFontProvider provider : SuitableFontProvider.EP_NAME.getExtensions()) {
                font = provider.getFontAbleToDisplay(c, basefont.getSize(), basefont.getStyle(), basefont.getFamily());
                if (font != null)
                    break;
            }
        }
        int i = it.getIndex();
        if (!Comparing.equal(currentFont, font)) {
            if (i > currentIndex) {
                string.addAttribute(TextAttribute.FONT, currentFont, currentIndex, i);
            }
            currentFont = font;
            currentIndex = i;
        }
    }
    if (currentIndex < end) {
        string.addAttribute(TextAttribute.FONT, currentFont, currentIndex, end);
    }
    TextLayout layout = new TextLayout(string.getIterator(), fontRenderContext);
    if (fragmentIndex >= myLayouts.size()) {
        myLayouts.addAll(Collections.nCopies(fragmentIndex - myLayouts.size() + 1, null));
    }
    myLayouts.set(fragmentIndex, layout);
    myLayoutFont = getBaseFont();
    return layout;
}

Example 24 with AttributedString

use of java.text.AttributedString in project poi by apache.

the class HwmfGraphics method drawString.

public void drawString(byte[] text, Rectangle2D bounds, int[] dx) {
    HwmfFont font = prop.getFont();
    if (font == null || text == null || text.length == 0) {
        return;
    }
    double fontH = getFontHeight(font);
    // TODO: another approx. ...
    double fontW = fontH / 1.8;
    int len = text.length;
    Charset charset = (font.getCharSet().getCharset() == null) ? DEFAULT_CHARSET : font.getCharSet().getCharset();
    String textString = new String(text, charset);
    AttributedString as = new AttributedString(textString);
    if (dx == null || dx.length == 0) {
        addAttributes(as, font);
    } else {
        int[] dxNormed = dx;
        //dxNormed[1] = 14 textString.get(1) = U+30ED
        if (textString.length() != text.length) {
            int codePoints = textString.codePointCount(0, textString.length());
            dxNormed = new int[codePoints];
            int dxPosition = 0;
            for (int offset = 0; offset < textString.length(); ) {
                dxNormed[offset] = dx[dxPosition];
                int[] chars = new int[1];
                int cp = textString.codePointAt(offset);
                chars[0] = cp;
                //now figure out how many bytes it takes to encode that
                //code point in the charset
                int byteLength = new String(chars, 0, chars.length).getBytes(charset).length;
                dxPosition += byteLength;
                offset += Character.charCount(cp);
            }
        }
        for (int i = 0; i < dxNormed.length; i++) {
            addAttributes(as, font);
            // therefore we need to add the additional/suffix width to the next char
            if (i < dxNormed.length - 1) {
                as.addAttribute(TextAttribute.TRACKING, (dxNormed[i] - fontW) / fontH, i + 1, i + 2);
            }
        }
    }
    double angle = Math.toRadians(-font.getEscapement() / 10.);
    final AffineTransform at = graphicsCtx.getTransform();
    try {
        graphicsCtx.translate(bounds.getX(), bounds.getY() + fontH);
        graphicsCtx.rotate(angle);
        if (prop.getBkMode() == HwmfBkMode.OPAQUE) {
            // TODO: validate bounds
            graphicsCtx.setBackground(prop.getBackgroundColor().getColor());
            graphicsCtx.fill(new Rectangle2D.Double(0, 0, bounds.getWidth(), bounds.getHeight()));
        }
        graphicsCtx.setColor(prop.getTextColor().getColor());
        // (float)bounds.getX(), (float)bounds.getY());
        graphicsCtx.drawString(as.getIterator(), 0, 0);
    } finally {
        graphicsCtx.setTransform(at);
    }
}

Example 25 with AttributedString

use of java.text.AttributedString in project poi by apache.

the class BaseTestBugzillaIssues method computeCellWidthManually.

// FIXME: this function is a self-fulfilling prophecy: this test will always pass as long
// as the code-under-test and the testcase code are written the same way (have the same bugs). 
private double computeCellWidthManually(Cell cell0, Font font) {
    final FontRenderContext fontRenderContext = new FontRenderContext(null, true, true);
    RichTextString rt = cell0.getRichStringCellValue();
    String[] lines = rt.getString().split("\\n");
    assertEquals(1, lines.length);
    String txt = lines[0] + "0";
    AttributedString str = new AttributedString(txt);
    copyAttributes(font, str, txt.length());
    // TODO: support rich text fragments
    /*if (rt.numFormattingRuns() > 0) {
        }*/
    TextLayout layout = new TextLayout(str.getIterator(), fontRenderContext);
    double frameWidth = getFrameWidth(layout);
    return ((frameWidth / 1) / 8);
}