Examples with TeXFormula org.scilab.forge.jlatexmath.TeXFormula used on opensource projects

Example 1 with TeXFormula

use of org.scilab.forge.jlatexmath.TeXFormula in project freeplane by freeplane.

the class TeXText method createTeXIcon.

public TeXIcon createTeXIcon(int style, int size, int align, int maxWidth) {
    final String predefinedMacros = ResourceController.getResourceController().getProperty(LATEX_MACROS);
    StringBuffer sb = new StringBuffer();
    if (predefinedMacros != null) {
        sb.append(predefinedMacros + "\n\n");
    }
    sb.append("\n\n").append("\\text{").append(rawText).append("}");
    // LogUtils.severe(String.format("TeX='%s'", sb.toString()));
    TeXFormula tf = new TeXFormula(sb.toString());
    // tf.createTeXIcon(style, size, TeXConstants.UNIT_PIXEL, maxWidth, align, TeXConstants.UNIT_PIXEL, 40f);
    return tf.new TeXIconBuilder().setStyle(style).setSize(size).setWidth(TeXConstants.UNIT_PIXEL, maxWidth, align).setIsMaxWidth(true).setInterLineSpacing(TeXConstants.UNIT_PIXEL, /*40f*/
    size * 1.2F).build();
}

Example 2 with TeXFormula

use of org.scilab.forge.jlatexmath.TeXFormula in project Bean by Xirado.

the class LaTeXCommand method executeCommand.

@Override
public void executeCommand(@NotNull SlashCommandInteractionEvent event, @NotNull SlashCommandContext ctx) {
    event.deferReply().queue();
    InteractionHook hook = event.getHook();
    String formula = event.getOption("formula").getAsString();
    TeXFormula tf;
    try {
        tf = new TeXFormula(formula);
    } catch (ParseException exception) {
        hook.sendMessageEmbeds(EmbedUtil.errorEmbed("An error occurred while parsing LaTeX formula!\n```\n" + exception.getMessage() + "\n```")).queue();
        return;
    }
    TeXIcon ti = tf.createTeXIcon(TeXConstants.STYLE_DISPLAY, 70);
    BufferedImage bimg = new BufferedImage(ti.getIconWidth(), ti.getIconHeight(), BufferedImage.TYPE_4BYTE_ABGR);
    Graphics2D g2d = bimg.createGraphics();
    g2d.setColor(Color.white);
    g2d.fillRect(0, 0, ti.getIconWidth(), ti.getIconHeight());
    JLabel jl = new JLabel();
    jl.setForeground(new Color(0, 0, 0));
    ti.paintIcon(jl, g2d, 0, 0);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {
        ImageIO.write(bimg, "png", baos);
    } catch (IOException e) {
        hook.sendMessageEmbeds(EmbedUtil.errorEmbed("An error occurred!")).queue();
        return;
    }
    hook.sendMessage("").addFile(baos.toByteArray(), "card.png").queue();
}

Example 3 with TeXFormula

use of org.scilab.forge.jlatexmath.TeXFormula in project jmathanim by davidgutierrezrubio.

the class LaTeXMathObject method generateDOMTreeFromLaTeX.

private Element generateDOMTreeFromLaTeX(String text) {
    Writer out = null;
    DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();
    String latexText;
    if (mode == CompileMode.JLaTexMath) {
        latexText = "\\mbox{" + text + "}";
    } else {
        latexText = text;
    }
    TeXFormula formula = new TeXFormula(latexText);
    TeXIcon icon = formula.createTeXIcon(TeXConstants.ALIGN_LEFT, 40);
    String svgNS = "http://www.w3.org/2000/svg";
    Document document = domImpl.createDocument(svgNS, "svg", null);
    // Create an instance of the SVG Generator.
    SVGGeneratorContext ctx = SVGGeneratorContext.createDefault(document);
    SVGGraphics2D svgGenerator = new SVGGraphics2D(ctx, true);
    ctx.setEmbeddedFontsOn(true);
    icon.paintIcon(null, svgGenerator, 0, 0);
    DOMTreeManager domTreeManager = svgGenerator.getDOMTreeManager();
    Element domFactory = svgGenerator.getRoot();
    return domFactory;
}

Example 4 with TeXFormula

use of org.scilab.forge.jlatexmath.TeXFormula in project MeteoInfo by meteoinfo.

the class Draw method getStringDimension.

/**
 * Get string dimension
 *
 * @param str String
 * @param g Graphics2D
 * @param isLaTeX Is LaTeX or not
 * @return String dimension
 */
public static Dimension getStringDimension(String str, Graphics2D g, boolean isLaTeX) {
    if (isLaTeX) {
        float size = g.getFont().getSize2D();
        // create a formula
        TeXFormula formula = new TeXFormula(str);
        // render the formla to an icon of the same size as the formula.
        TeXIcon icon = formula.createTeXIcon(TeXConstants.STYLE_TEXT, size);
        // insert a border
        // icon.setInsets(new Insets(5, 5, 5, 5));
        // return new Dimension(icon.getIconWidth(), icon.getIconHeight());
        int width = (int) icon.getTrueIconWidth() + 10;
        int height = (int) icon.getTrueIconHeight();
        // int height = icon.getIconHeight();
        return new Dimension(width, height);
    } else {
        FontMetrics metrics = g.getFontMetrics();
        // int height = (int) (metrics.getAscent() * 5.f / 6.f);
        int height = metrics.getAscent();
        // return new Dimension(metrics.stringWidth(str), metrics.getHeight());
        return new Dimension(metrics.stringWidth(str), height);
    }
}

Example 5 with TeXFormula

use of org.scilab.forge.jlatexmath.TeXFormula in project saturnGL by chompa111.

the class Latex method generateExp.

public static List<Gobject> generateExp(String s, double x, double y, Color color) {
    TeXFormula a = new TeXFormula(s);
    var icon2 = a.createTeXIcon(TeXConstants.STYLE_TEXT, 50);
    var img = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
    var fakeGraphics = new GraphicsdrawCharProxy((Graphics2D) img.getGraphics(), color);
    icon2.paintIcon(null, fakeGraphics, (int) x, (int) y);
    return fakeGraphics.getCharList();
}