Examples of java.awt.font.GlyphVector

java.awt.font.GlyphVector
A GlyphVector object is a collection of glyphs containing geometric information for the placement of each glyph in a transformed coordinate space which corresponds to the device on which the GlyphVector is ultimately displayed.
The GlyphVector does not attempt any interpretation of the sequence of glyphs it contains. Relationships between adjacent glyphs in sequence are solely used to determine the placement of the glyphs in the visual coordinate space.
Instances of GlyphVector are created by a {@link Font}.
In a text processing application that can cache intermediate representations of text, creation and subsequent caching of a GlyphVector for use during rendering is the fastest method to present the visual representation of characters to a user.
A GlyphVector is associated with exactly one Font, and can provide data useful only in relation to this Font. In addition, metrics obtained from a GlyphVector are not generally geometrically scaleable since the pixelization and spacing are dependent on grid-fitting algorithms within a Font. To facilitate accurate measurement of a GlyphVector and its component glyphs, you must specify a scaling transform, anti-alias mode, and fractional metrics mode when creating the GlyphVector. These characteristics can be derived from the destination device.
For each glyph in the GlyphVector, you can obtain:
- the position of the glyph
- the transform associated with the glyph
- the metrics of the glyph in the context of the GlyphVector. The metrics of the glyph may be different under different transforms, application specified rendering hints, and the specific instance of the glyph within the GlyphVector.
Altering the data used to create the GlyphVector does not alter the state of the GlyphVector.
Methods are provided to adjust the positions of the glyphs within the GlyphVector. These methods are most appropriate for applications that are performing justification operations for the presentation of the glyphs.
Methods are provided to transform individual glyphs within the GlyphVector. These methods are primarily useful for special effects.
Methods are provided to return both the visual, logical, and pixel bounds of the entire GlyphVector or of individual glyphs within the GlyphVector.
Methods are provided to return a {@link Shape} for the GlyphVector, and for individual glyphs within the GlyphVector. @see Font @see GlyphMetrics @see TextLayout @version 19 Mar 1998 @author Charlton Innovations, Inc.

                = domFactory.createElementNS(SVG_NAMESPACE_URI,
                                             SVG_MISSING_GLYPH_TAG);


            int missingGlyphCode[] = new int[1];
            missingGlyphCode[0] = commonSizeFont.getMissingGlyphCode();
            GlyphVector gv = commonSizeFont.createGlyphVector(frc, missingGlyphCode);
            Shape missingGlyphShape = gv.getGlyphOutline(0);
            GlyphMetrics gm = gv.getGlyphMetrics(0);


            // need to turn the missing glyph upside down to be in the font
            // coordinate system (i.e Y axis up)
            AffineTransform at = AffineTransform.getScaleInstance(1, -1);
            missingGlyphShape = at.createTransformedShape(missingGlyphShape);


            missingGlyphElement.setAttributeNS(null, SVG_D_ATTRIBUTE,
                                    SVGPath.toSVGPathData(missingGlyphShape));
            missingGlyphElement.setAttributeNS(null, SVG_HORIZ_ADV_X_ATTRIBUTE,
                                               "" + gm.getAdvance());
            fontDef.appendChild(missingGlyphElement);


            // set the font's default horizontal advance to be the same as
            // the missing glyph
            fontDef.setAttributeNS(null, SVG_HORIZ_ADV_X_ATTRIBUTE,  "" + gm.getAdvance());


            // set the ascent and descent attributes
            LineMetrics lm = commonSizeFont.getLineMetrics("By", frc);
            fontFace.setAttributeNS(null, SVG_ASCENT_ATTRIBUTE, "" + lm.getAscent());
            fontFace.setAttributeNS(null, SVG_DESCENT_ATTRIBUTE, "" + lm.getDescent());


            //
            // Font ID
            //
            fontDef.setAttributeNS(null, ATTR_ID,
                                   generatorContext.idGenerator.
                                   generateID(ID_PREFIX_FONT));
        }


        //
        // add any new glyphs to the fontDef here
        //


        // process the characters in textUsingFont backwards since the new chars
        // are at the end, can stop when find a char that already has a glyph
        for (int i = textUsingFont.length()-1; i >= 0; i--) {
            char c = textUsingFont.charAt(i);
            boolean foundGlyph = false;
            NodeList fontChildren = fontDef.getChildNodes();
            for (int j = 0; j < fontChildren.getLength(); j++) {
                if (fontChildren.item(j) instanceof Element) {
                    Element childElement = (Element)fontChildren.item(j);
                    if (childElement.getAttributeNS(null,
                            SVG_UNICODE_ATTRIBUTE).equals(""+c)) {
                        foundGlyph = true;
                        break;
                    }
                }
            }
            if (!foundGlyph) {
                // need to create one
                Element glyphElement
                    = domFactory.createElementNS(SVG_NAMESPACE_URI,
                                                 SVG_GLYPH_TAG);


                GlyphVector gv = commonSizeFont.createGlyphVector(frc, ""+c);
                Shape glyphShape = gv.getGlyphOutline(0);
                GlyphMetrics gm = gv.getGlyphMetrics(0);


                // need to turn the glyph upside down to be in the font
                // coordinate system (i.e Y axis up)
                AffineTransform at = AffineTransform.getScaleInstance(1, -1);
                glyphShape = at.createTransformedShape(glyphShape);

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     */
    public void drawString(String s, float x, float y) {
        if (super.textAsShapes) {
            Font font = super.getFont();
            FontRenderContext frc = super.getFontRenderContext();
            GlyphVector gv = font.createGlyphVector(frc, s);
            Shape glyphOutline = gv.getOutline(x, y);
            super.fill(glyphOutline);
        } else {
            super.drawString(s, x, y);
        }
    }

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            InlineArea child = (InlineArea)iter.next();
            if (child instanceof WordArea) {
                WordArea word = (WordArea)child;
                String s = word.getWord();
                int[] letterAdjust = word.getLetterAdjustArray();
                GlyphVector gv = g2d.getFont().createGlyphVector(g2d.getFontRenderContext(), s);
                double additionalWidth = 0.0;
                if (letterAdjust == null 
                        && text.getTextLetterSpaceAdjust() == 0 
                        && text.getTextWordSpaceAdjust() == 0) {
                    //nop
                } else {
                    int[] offsets = getGlyphOffsets(s, font, text, letterAdjust);
                    float cursor = 0.0f;
                    for (int i = 0; i < offsets.length; i++) {
                        Point2D pt = gv.getGlyphPosition(i);
                        pt.setLocation(cursor, pt.getY());
                        gv.setGlyphPosition(i, pt);
                        cursor += offsets[i] / 1000f;
                    }
                    additionalWidth = cursor - gv.getLogicalBounds().getWidth();
                }
                g2d.drawGlyphVector(gv, textCursor, 0);
                textCursor += gv.getLogicalBounds().getWidth() + additionalWidth;
            } else if (child instanceof SpaceArea) {
                SpaceArea space = (SpaceArea)child;
                String s = space.getSpace();
                char sp = s.charAt(0);
                int tws = (space.isAdjustable()

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    /** {@inheritDoc} */
    public void drawString(Graphics2D g2d, String text, float x, float y) throws IOException {
        java.awt.Font awtFont = g2d.getFont();
        FontRenderContext frc = g2d.getFontRenderContext();
        GlyphVector gv = awtFont.createGlyphVector(frc, text);
        Shape glyphOutline = gv.getOutline(x, y);
        g2d.fill(glyphOutline);
    }

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                = domFactory.createElementNS(SVG_NAMESPACE_URI,
                                             SVG_MISSING_GLYPH_TAG);


            int missingGlyphCode[] = new int[1];
            missingGlyphCode[0] = commonSizeFont.getMissingGlyphCode();
            GlyphVector gv = commonSizeFont.createGlyphVector(frc, missingGlyphCode);
            Shape missingGlyphShape = gv.getGlyphOutline(0);
            GlyphMetrics gm = gv.getGlyphMetrics(0);


            // need to turn the missing glyph upside down to be in the font
            // coordinate system (i.e Y axis up)
            AffineTransform at = AffineTransform.getScaleInstance(1, -1);
            missingGlyphShape = at.createTransformedShape(missingGlyphShape);


            missingGlyphElement.setAttributeNS(null, SVG_D_ATTRIBUTE,
                                    SVGPath.toSVGPathData(missingGlyphShape));
            missingGlyphElement.setAttributeNS(null, SVG_HORIZ_ADV_X_ATTRIBUTE,
                                               "" + gm.getAdvance());
            fontDef.appendChild(missingGlyphElement);


            // set the font's default horizontal advance to be the same as
            // the missing glyph
            fontDef.setAttributeNS(null, SVG_HORIZ_ADV_X_ATTRIBUTE,  "" + gm.getAdvance());


            // set the ascent and descent attributes
            LineMetrics lm = commonSizeFont.getLineMetrics("By", frc);
            fontFace.setAttributeNS(null, SVG_ASCENT_ATTRIBUTE, "" + lm.getAscent());
            fontFace.setAttributeNS(null, SVG_DESCENT_ATTRIBUTE, "" + lm.getDescent());


            //
            // Font ID
            //
            fontDef.setAttributeNS(null, ATTR_ID,
                                   generatorContext.idGenerator.
                                   generateID(ID_PREFIX_FONT));
        }


        //
        // add any new glyphs to the fontDef here
        //


        // process the characters in textUsingFont backwards since the new chars
        // are at the end, can stop when find a char that already has a glyph
        for (int i = textUsingFont.length()-1; i >= 0; i--) {
            char c = textUsingFont.charAt(i);
            boolean foundGlyph = false;
            NodeList fontChildren = fontDef.getChildNodes();
            for (int j = 0; j < fontChildren.getLength(); j++) {
                if (fontChildren.item(j) instanceof Element) {
                    Element childElement = (Element)fontChildren.item(j);
                    if (childElement.getAttributeNS(null,
                            SVG_UNICODE_ATTRIBUTE).equals(""+c)) {
                        foundGlyph = true;
                        break;
                    }
                }
            }
            if (!foundGlyph) {
                // need to create one
                Element glyphElement
                    = domFactory.createElementNS(SVG_NAMESPACE_URI,
                                                 SVG_GLYPH_TAG);


                GlyphVector gv = commonSizeFont.createGlyphVector(frc, ""+c);
                Shape glyphShape = gv.getGlyphOutline(0);
                GlyphMetrics gm = gv.getGlyphMetrics(0);


                // need to turn the glyph upside down to be in the font
                // coordinate system (i.e Y axis up)
                AffineTransform at = AffineTransform.getScaleInstance(1, -1);
                glyphShape = at.createTransformedShape(glyphShape);

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     *
     ***************************************************************************/


    @Override
    public void drawString(AttributedCharacterIterator iterator, float x, float y) {
        GlyphVector gv = font.createGlyphVector(frc, iterator);
        drawGlyphVector(gv, x, y);
    }

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                                                 final int rotate,
                                                 final Font font,
                                                 final String text)
  {
    final FontRenderContext fontRenderContext = new FontRenderContext(null, false, false);
    final GlyphVector glyphs = font.createGlyphVector(fontRenderContext, text);
    final int width = (int) glyphs.getLogicalBounds().getWidth() + 4;
    //height = (int)glyphs.getLogicalBounds().getHeight();


    final LineMetrics lineMetrics = font.getLineMetrics(text, fontRenderContext);
    final float ascent = lineMetrics.getAscent();
    final int height = (int) Math.ceil(lineMetrics.getHeight());

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        }
    }


    private void appendLine(String text, int start, int end, FontRenderContext fontRenderContext) {
        StringCharacterIterator line = new StringCharacterIterator(text, start, end, start);
        GlyphVector glyphVector = font.createGlyphVector(fontRenderContext, line);
        glyphVectors.add(glyphVector);


        Rectangle2D textBounds = glyphVector.getLogicalBounds();
        textHeight += textBounds.getHeight();
    }

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                    break;
                }
            }


            for (int i = 0, n = glyphVectors.getLength(); i < n; i++) {
                GlyphVector glyphVector = glyphVectors.get(i);


                Rectangle2D textBounds = glyphVector.getLogicalBounds();
                float lineWidth = (float)textBounds.getWidth();


                float x = 0;
                switch (horizontalAlignment) {
                    case LEFT: {

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     * @param glyphCode the glyphCode from the original 2D Font
     * @param bounds the 3D glyph's bounds
     */
    public void getBoundingBox(int glyphCode, BoundingBox bounds){
      int[] gCodes = {glyphCode};
      GlyphVector gVec = font.createGlyphVector(frc, gCodes);
      Rectangle2D.Float bounds2d = (Rectangle2D.Float)
  (((GlyphMetrics)(gVec.getGlyphMetrics(0))).getBounds2D());


      Point3d lower = new Point3d(bounds2d.x, bounds2d.y, 0.0);
      Point3d upper;
      if (fontExtrusion != null) {
          upper = new Point3d(bounds2d.x + bounds2d.width,

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