java.awt.font.GlyphVector Java Examples

The following examples show how to use java.awt.font.GlyphVector. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source Project: openjdk-8   Author: bpupadhyaya   File: PathGraphics.java    License: GNU General Public License v2.0 6 votes vote down vote up
private boolean samePositions(GlyphVector gv, int[] gvcodes,
                              int[] origCodes, float[] origPositions) {

    int numGlyphs = gv.getNumGlyphs();
    float[] gvpos = gv.getGlyphPositions(0, numGlyphs, null);

    /* this shouldn't happen here, but just in case */
    if (numGlyphs != gvcodes.length ||  /* real paranoia here */
        origCodes.length != gvcodes.length ||
        origPositions.length != gvpos.length) {
        return false;
    }

    for (int i=0; i<numGlyphs; i++) {
        if (gvcodes[i] != origCodes[i] || gvpos[i] != origPositions[i]) {
            return false;
        }
    }
    return true;
}
 
Example #2
Source Project: jdk8u60   Author: chenghanpeng   File: HelvLtOblTest.java    License: GNU General Public License v2.0 6 votes vote down vote up
BufferedImage drawText(boolean doGV) {
    int w = 400;
    int h = 50;
    BufferedImage bi = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
    Graphics2D g = bi.createGraphics();
    g.setColor(Color.white);
    g.fillRect(0,0,w,h);
    g.setColor(Color.black);
    Font f = helvFont.deriveFont(Font.PLAIN, 40);
    g.setFont(f);
    int x = 5;
    int y = h - 10;
    if (doGV) {
        FontRenderContext frc = new FontRenderContext(null, true, true);
        GlyphVector gv = f.createGlyphVector(frc, codes);
        g.drawGlyphVector(gv, 5, y);
   } else {
       g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
                          RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
       g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
                          RenderingHints.VALUE_FRACTIONALMETRICS_ON);
       g.drawString(str, x, y);
   }
   return bi;
}
 
Example #3
Source Project: openjdk-8   Author: bpupadhyaya   File: X11TextRenderer.java    License: GNU General Public License v2.0 6 votes vote down vote up
public void drawGlyphVector(SunGraphics2D sg2d, GlyphVector g,
                            float x, float y)
{
    FontRenderContext frc = g.getFontRenderContext();
    FontInfo info = sg2d.getGVFontInfo(g.getFont(), frc);
    switch (info.aaHint) {
    case SunHints.INTVAL_TEXT_ANTIALIAS_OFF:
        super.drawGlyphVector(sg2d, g, x, y);
        return;
    case SunHints.INTVAL_TEXT_ANTIALIAS_ON:
         sg2d.surfaceData.aaTextRenderer.drawGlyphVector(sg2d, g, x, y);
        return;
    case SunHints.INTVAL_TEXT_ANTIALIAS_LCD_HRGB:
    case SunHints.INTVAL_TEXT_ANTIALIAS_LCD_VRGB:
         sg2d.surfaceData.lcdTextRenderer.drawGlyphVector(sg2d, g, x, y);
        return;
    default:
    }
}
 
Example #4
Source Project: openjdk-jdk9   Author: AdoptOpenJDK   File: PathGraphics.java    License: GNU General Public License v2.0 6 votes vote down vote up
private boolean samePositions(GlyphVector gv, int[] gvcodes,
                              int[] origCodes, float[] origPositions) {

    int numGlyphs = gv.getNumGlyphs();
    float[] gvpos = gv.getGlyphPositions(0, numGlyphs, null);

    /* this shouldn't happen here, but just in case */
    if (numGlyphs != gvcodes.length ||  /* real paranoia here */
        origCodes.length != gvcodes.length ||
        origPositions.length != gvpos.length) {
        return false;
    }

    for (int i=0; i<numGlyphs; i++) {
        if (gvcodes[i] != origCodes[i] || gvpos[i] != origPositions[i]) {
            return false;
        }
    }
    return true;
}
 
Example #5
Source Project: jdk8u-dev-jdk   Author: frohoff   File: GlyphListPipe.java    License: GNU General Public License v2.0 6 votes vote down vote up
public void drawGlyphVector(SunGraphics2D sg2d, GlyphVector gv,
                            float x, float y)
{
    FontRenderContext frc = gv.getFontRenderContext();
    FontInfo info = sg2d.getGVFontInfo(gv.getFont(), frc);
    if (info.pixelHeight > OutlineTextRenderer.THRESHHOLD) {
        SurfaceData.outlineTextRenderer.drawGlyphVector(sg2d, gv, x, y);
        return;
    }
    if (sg2d.transformState >= SunGraphics2D.TRANSFORM_TRANSLATESCALE) {
        double origin[] = {x, y};
        sg2d.transform.transform(origin, 0, origin, 0, 1);
        x = (float) origin[0];
        y = (float) origin[1];
    } else {
        x += sg2d.transX; // don't use the glyph info origin, already in gv.
        y += sg2d.transY;
    }

    GlyphList gl = GlyphList.getInstance();
    gl.setFromGlyphVector(info, gv, x, y);
    drawGlyphList(sg2d, gl, info.aaHint);
    gl.dispose();
}
 
Example #6
Source Project: openjdk-jdk8u   Author: AdoptOpenJDK   File: SunGraphics2D.java    License: GNU General Public License v2.0 6 votes vote down vote up
public void drawGlyphVector(GlyphVector gv, float x, float y)
{
    if (gv == null) {
        throw new NullPointerException("GlyphVector is null");
    }

    try {
        textpipe.drawGlyphVector(this, gv, x, y);
    } catch (InvalidPipeException e) {
        try {
            revalidateAll();
            textpipe.drawGlyphVector(this, gv, x, y);
        } catch (InvalidPipeException e2) {
            // Still catching the exception; we are not yet ready to
            // validate the surfaceData correctly.  Fail for now and
            // try again next time around.
        }
    } finally {
        surfaceData.markDirty();
    }
}
 
Example #7
Source Project: openjdk-jdk8u-backup   Author: AdoptOpenJDK   File: HelvLtOblTest.java    License: GNU General Public License v2.0 6 votes vote down vote up
BufferedImage drawText(boolean doGV) {
    int w = 400;
    int h = 50;
    BufferedImage bi = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
    Graphics2D g = bi.createGraphics();
    g.setColor(Color.white);
    g.fillRect(0,0,w,h);
    g.setColor(Color.black);
    Font f = helvFont.deriveFont(Font.PLAIN, 40);
    g.setFont(f);
    int x = 5;
    int y = h - 10;
    if (doGV) {
        FontRenderContext frc = new FontRenderContext(null, true, true);
        GlyphVector gv = f.createGlyphVector(frc, codes);
        g.drawGlyphVector(gv, 5, y);
   } else {
       g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
                          RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
       g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
                          RenderingHints.VALUE_FRACTIONALMETRICS_ON);
       g.drawString(str, x, y);
   }
   return bi;
}
 
Example #8
Source Project: openjdk-8   Author: bpupadhyaya   File: SunGraphics2D.java    License: GNU General Public License v2.0 6 votes vote down vote up
public void drawGlyphVector(GlyphVector gv, float x, float y)
{
    if (gv == null) {
        throw new NullPointerException("GlyphVector is null");
    }

    try {
        textpipe.drawGlyphVector(this, gv, x, y);
    } catch (InvalidPipeException e) {
        try {
            revalidateAll();
            textpipe.drawGlyphVector(this, gv, x, y);
        } catch (InvalidPipeException e2) {
            // Still catching the exception; we are not yet ready to
            // validate the surfaceData correctly.  Fail for now and
            // try again next time around.
        }
    } finally {
        surfaceData.markDirty();
    }
}
 
Example #9
Source Project: jdk8u-dev-jdk   Author: frohoff   File: X11TextRenderer.java    License: GNU General Public License v2.0 6 votes vote down vote up
public void drawGlyphVector(SunGraphics2D sg2d, GlyphVector g,
                            float x, float y)
{
    FontRenderContext frc = g.getFontRenderContext();
    FontInfo info = sg2d.getGVFontInfo(g.getFont(), frc);
    switch (info.aaHint) {
    case SunHints.INTVAL_TEXT_ANTIALIAS_OFF:
        super.drawGlyphVector(sg2d, g, x, y);
        return;
    case SunHints.INTVAL_TEXT_ANTIALIAS_ON:
         sg2d.surfaceData.aaTextRenderer.drawGlyphVector(sg2d, g, x, y);
        return;
    case SunHints.INTVAL_TEXT_ANTIALIAS_LCD_HRGB:
    case SunHints.INTVAL_TEXT_ANTIALIAS_LCD_VRGB:
         sg2d.surfaceData.lcdTextRenderer.drawGlyphVector(sg2d, g, x, y);
        return;
    default:
    }
}
 
Example #10
Source Project: han3_ji7_tsoo1_kian3   Author: sih4sing5hong5   File: SimplePieceSetter.java    License: GNU Affero General Public License v3.0 6 votes vote down vote up
@Override
public PieceMovableTypeWen setWen(ChineseCharacterMovableTypeTzu parent,
		NonFinalCharComponent chineseCharacterWen)
{
	SeprateMovabletype rectangularArea = null;
	if (font.canDisplay(chineseCharacterWen.Unicode編號()))
	{
		GlyphVector glyphVector = font.createGlyphVector(fontRenderContext,
				chineseCharacterWen.部件組字式());
		rectangularArea = new SeprateMovabletype(new PlaneGeometry(glyphVector.getOutline()));
		rectangularArea.設字範圍(tzuModelTerritory);
		rectangularArea.設目標範圍(rectangularArea.這馬字範圍());
	}
	else
	{
		rectangularArea = findWenForNoBuiltIn(chineseCharacterWen);
	}
	rectangularArea.徙轉原點();

	PieceMovableTypeWen pieceMovableTypeWen = new PieceMovableTypeWen(
			parent, chineseCharacterWen, rectangularArea);
	return pieceMovableTypeWen;
}
 
Example #11
Source Project: openjdk-8-source   Author: keerath   File: Font.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Returns the logical bounds of the specified array of characters
 * in the specified <code>FontRenderContext</code>.  The logical
 * bounds contains the origin, ascent, advance, and height, which
 * includes the leading.  The logical bounds does not always enclose
 * all the text.  For example, in some languages and in some fonts,
 * accent marks can be positioned above the ascent or below the
 * descent.  To obtain a visual bounding box, which encloses all the
 * text, use the {@link TextLayout#getBounds() getBounds} method of
 * <code>TextLayout</code>.
 * <p>Note: The returned bounds is in baseline-relative coordinates
 * (see {@link java.awt.Font class notes}).
 * @param chars an array of characters
 * @param beginIndex the initial offset in the array of
 * characters
 * @param limit the end offset in the array of characters
 * @param frc the specified <code>FontRenderContext</code>
 * @return a <code>Rectangle2D</code> that is the bounding box of the
 * specified array of characters in the specified
 * <code>FontRenderContext</code>.
 * @throws IndexOutOfBoundsException if <code>beginIndex</code> is
 *         less than zero, or <code>limit</code> is greater than the
 *         length of <code>chars</code>, or <code>beginIndex</code>
 *         is greater than <code>limit</code>.
 * @see FontRenderContext
 * @see Font#createGlyphVector
 * @since 1.2
 */
public Rectangle2D getStringBounds(char [] chars,
                                int beginIndex, int limit,
                                   FontRenderContext frc) {
    if (beginIndex < 0) {
        throw new IndexOutOfBoundsException("beginIndex: " + beginIndex);
    }
    if (limit > chars.length) {
        throw new IndexOutOfBoundsException("limit: " + limit);
    }
    if (beginIndex > limit) {
        throw new IndexOutOfBoundsException("range length: " +
                                            (limit - beginIndex));
    }

    // this code should be in textlayout
    // quick check for simple text, assume GV ok to use if simple

    boolean simple = values == null ||
        (values.getKerning() == 0 && values.getLigatures() == 0 &&
          values.getBaselineTransform() == null);
    if (simple) {
        simple = ! FontUtilities.isComplexText(chars, beginIndex, limit);
    }

    if (simple) {
        GlyphVector gv = new StandardGlyphVector(this, chars, beginIndex,
                                                 limit - beginIndex, frc);
        return gv.getLogicalBounds();
    } else {
        // need char array constructor on textlayout
        String str = new String(chars, beginIndex, limit - beginIndex);
        TextLayout tl = new TextLayout(str, this, frc);
        return new Rectangle2D.Float(0, -tl.getAscent(), tl.getAdvance(),
                                     tl.getAscent() + tl.getDescent() +
                                     tl.getLeading());
    }
}
 
Example #12
Source Project: jdk8u-jdk   Author: frohoff   File: GlyphListPipe.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void drawGlyphVector(SunGraphics2D sg2d, GlyphVector gv,
                            float x, float y)
{
    FontRenderContext frc = gv.getFontRenderContext();
    FontInfo info = sg2d.getGVFontInfo(gv.getFont(), frc);
    if (info.pixelHeight > OutlineTextRenderer.THRESHHOLD) {
        SurfaceData.outlineTextRenderer.drawGlyphVector(sg2d, gv, x, y);
        return;
    }
    if (sg2d.transformState >= SunGraphics2D.TRANSFORM_TRANSLATESCALE) {
        double origin[] = {x, y};
        sg2d.transform.transform(origin, 0, origin, 0, 1);
        x = (float) origin[0];
        y = (float) origin[1];
    } else {
        x += sg2d.transX; // don't use the glyph info origin, already in gv.
        y += sg2d.transY;
    }

    GlyphList gl = GlyphList.getInstance();
    gl.setFromGlyphVector(info, gv, x, y);
    drawGlyphList(sg2d, gl, info.aaHint);
    gl.dispose();
}
 
Example #13
Source Project: jdk1.8-source-analysis   Author: raysonfang   File: Font.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Returns the logical bounds of the specified array of characters
 * in the specified <code>FontRenderContext</code>.  The logical
 * bounds contains the origin, ascent, advance, and height, which
 * includes the leading.  The logical bounds does not always enclose
 * all the text.  For example, in some languages and in some fonts,
 * accent marks can be positioned above the ascent or below the
 * descent.  To obtain a visual bounding box, which encloses all the
 * text, use the {@link TextLayout#getBounds() getBounds} method of
 * <code>TextLayout</code>.
 * <p>Note: The returned bounds is in baseline-relative coordinates
 * (see {@link java.awt.Font class notes}).
 * @param chars an array of characters
 * @param beginIndex the initial offset in the array of
 * characters
 * @param limit the end offset in the array of characters
 * @param frc the specified <code>FontRenderContext</code>
 * @return a <code>Rectangle2D</code> that is the bounding box of the
 * specified array of characters in the specified
 * <code>FontRenderContext</code>.
 * @throws IndexOutOfBoundsException if <code>beginIndex</code> is
 *         less than zero, or <code>limit</code> is greater than the
 *         length of <code>chars</code>, or <code>beginIndex</code>
 *         is greater than <code>limit</code>.
 * @see FontRenderContext
 * @see Font#createGlyphVector
 * @since 1.2
 */
public Rectangle2D getStringBounds(char [] chars,
                                int beginIndex, int limit,
                                   FontRenderContext frc) {
    if (beginIndex < 0) {
        throw new IndexOutOfBoundsException("beginIndex: " + beginIndex);
    }
    if (limit > chars.length) {
        throw new IndexOutOfBoundsException("limit: " + limit);
    }
    if (beginIndex > limit) {
        throw new IndexOutOfBoundsException("range length: " +
                                            (limit - beginIndex));
    }

    // this code should be in textlayout
    // quick check for simple text, assume GV ok to use if simple

    boolean simple = values == null ||
        (values.getKerning() == 0 && values.getLigatures() == 0 &&
          values.getBaselineTransform() == null);
    if (simple) {
        simple = ! FontUtilities.isComplexText(chars, beginIndex, limit);
    }

    if (simple) {
        GlyphVector gv = new StandardGlyphVector(this, chars, beginIndex,
                                                 limit - beginIndex, frc);
        return gv.getLogicalBounds();
    } else {
        // need char array constructor on textlayout
        String str = new String(chars, beginIndex, limit - beginIndex);
        TextLayout tl = new TextLayout(str, this, frc);
        return new Rectangle2D.Float(0, -tl.getAscent(), tl.getAdvance(),
                                     tl.getAscent() + tl.getDescent() +
                                     tl.getLeading());
    }
}
 
Example #14
Source Project: openjdk-jdk9   Author: AdoptOpenJDK   File: TextMeasureTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void runTest(Object ctx, int numReps) {
    GVContext gvctx = (GVContext)ctx;
    GlyphVector gv = gvctx.gv;
    GlyphMetrics gm;
    do {
        for (int i = 0, e = gv.getNumGlyphs(); i < e; ++i) {
            gm = gv.getGlyphMetrics(i);
        }
    } while (--numReps >= 0);
}
 
Example #15
Source Project: openjdk-8-source   Author: keerath   File: TextMeasureTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void runTest(Object ctx, int numReps) {
    GVContext gvctx = (GVContext)ctx;
    GlyphVector gv = gvctx.gv;
    Shape s;
    do {
        for (int i = 0, e = gv.getNumGlyphs(); i < e; ++i) {
            s = gv.getGlyphLogicalBounds(i);
        }
    } while (--numReps >= 0);
}
 
Example #16
Source Project: openjdk-jdk8u   Author: AdoptOpenJDK   File: Font.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Returns the logical bounds of the specified array of characters
 * in the specified <code>FontRenderContext</code>.  The logical
 * bounds contains the origin, ascent, advance, and height, which
 * includes the leading.  The logical bounds does not always enclose
 * all the text.  For example, in some languages and in some fonts,
 * accent marks can be positioned above the ascent or below the
 * descent.  To obtain a visual bounding box, which encloses all the
 * text, use the {@link TextLayout#getBounds() getBounds} method of
 * <code>TextLayout</code>.
 * <p>Note: The returned bounds is in baseline-relative coordinates
 * (see {@link java.awt.Font class notes}).
 * @param chars an array of characters
 * @param beginIndex the initial offset in the array of
 * characters
 * @param limit the end offset in the array of characters
 * @param frc the specified <code>FontRenderContext</code>
 * @return a <code>Rectangle2D</code> that is the bounding box of the
 * specified array of characters in the specified
 * <code>FontRenderContext</code>.
 * @throws IndexOutOfBoundsException if <code>beginIndex</code> is
 *         less than zero, or <code>limit</code> is greater than the
 *         length of <code>chars</code>, or <code>beginIndex</code>
 *         is greater than <code>limit</code>.
 * @see FontRenderContext
 * @see Font#createGlyphVector
 * @since 1.2
 */
public Rectangle2D getStringBounds(char [] chars,
                                int beginIndex, int limit,
                                   FontRenderContext frc) {
    if (beginIndex < 0) {
        throw new IndexOutOfBoundsException("beginIndex: " + beginIndex);
    }
    if (limit > chars.length) {
        throw new IndexOutOfBoundsException("limit: " + limit);
    }
    if (beginIndex > limit) {
        throw new IndexOutOfBoundsException("range length: " +
                                            (limit - beginIndex));
    }

    // this code should be in textlayout
    // quick check for simple text, assume GV ok to use if simple

    boolean simple = values == null ||
        (values.getKerning() == 0 && values.getLigatures() == 0 &&
          values.getBaselineTransform() == null);
    if (simple) {
        simple = ! FontUtilities.isComplexText(chars, beginIndex, limit);
    }

    if (simple) {
        GlyphVector gv = new StandardGlyphVector(this, chars, beginIndex,
                                                 limit - beginIndex, frc);
        return gv.getLogicalBounds();
    } else {
        // need char array constructor on textlayout
        String str = new String(chars, beginIndex, limit - beginIndex);
        TextLayout tl = new TextLayout(str, this, frc);
        return new Rectangle2D.Float(0, -tl.getAscent(), tl.getAdvance(),
                                     tl.getAscent() + tl.getDescent() +
                                     tl.getLeading());
    }
}
 
Example #17
Source Project: openjdk-8-source   Author: keerath   File: TextMeasureTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void runTest(Object ctx, int numReps) {
    GVContext gvctx = (GVContext)ctx;
    GlyphVector gv = gvctx.gv;
    GlyphMetrics gm;
    do {
        for (int i = 0, e = gv.getNumGlyphs(); i < e; ++i) {
            gm = gv.getGlyphMetrics(i);
        }
    } while (--numReps >= 0);
}
 
Example #18
Source Project: jdk8u-jdk   Author: frohoff   File: TextConstructionTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void runTest(Object ctx, int numReps) {
    TCContext tcctx = (TCContext)ctx;
    final Font font = tcctx.font;
    final String text = tcctx.text;
    final FontRenderContext frc = tcctx.frc;
    GlyphVector gv;
    do {
        gv = font.createGlyphVector(frc, text);
    } while (--numReps >= 0);
}
 
Example #19
Source Project: dragonwell8_jdk   Author: alibaba   File: TextRenderTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void runTest(Object ctx, int numReps) {
    GVContext gvctx = (GVContext)ctx;
    Graphics2D g2d = gvctx.g2d;
    GlyphVector gv = gvctx.gv;
    do {
        g2d.drawGlyphVector(gv, 40, 40);
    } while (--numReps >= 0);
}
 
Example #20
Source Project: dragonwell8_jdk   Author: alibaba   File: TextMeasureTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void runTest(Object ctx, int numReps) {
    GVContext gvctx = (GVContext)ctx;
    GlyphVector gv = gvctx.gv;
    Rectangle2D r;
    do {
        r = gv.getLogicalBounds();
    } while (--numReps >= 0);
}
 
Example #21
Source Project: dragonwell8_jdk   Author: alibaba   File: TextMeasureTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void runTest(Object ctx, int numReps) {
    GVContext gvctx = (GVContext)ctx;
    GlyphVector gv = gvctx.gv;
    Rectangle2D r;
    do {
        r = gv.getVisualBounds();
    } while (--numReps >= 0);
}
 
Example #22
Source Project: jdk8u-jdk   Author: frohoff   File: TextMeasureTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void runTest(Object ctx, int numReps) {
    GVContext gvctx = (GVContext)ctx;
    GlyphVector gv = gvctx.gv;
    GlyphMetrics gm;
    do {
        for (int i = 0, e = gv.getNumGlyphs(); i < e; ++i) {
            gm = gv.getGlyphMetrics(i);
        }
    } while (--numReps >= 0);
}
 
Example #23
Source Project: slick2d-maven   Author: nguillaumin   File: UnicodeFont.java    License: BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up
/**
 * @see org.newdawn.slick.Font#getHeight(java.lang.String)
 */
public int getHeight (String text) {
	if (text == null) throw new IllegalArgumentException("text cannot be null.");
	if (text.length() == 0) return 0;

	if (displayListCaching) {
		DisplayList displayList = (DisplayList)displayLists.get(text);
		if (displayList != null) return displayList.height;
	}

	char[] chars = text.toCharArray();
	GlyphVector vector = font.layoutGlyphVector(GlyphPage.renderContext, chars, 0, chars.length, Font.LAYOUT_LEFT_TO_RIGHT);

	int lines = 0, height = 0;
	for (int i = 0, n = vector.getNumGlyphs(); i < n; i++) {
		int charIndex = vector.getGlyphCharIndex(i);
		int codePoint = text.codePointAt(charIndex);
		if (codePoint == ' ') continue;
		Rectangle bounds = getGlyphBounds(vector, i, codePoint);

		height = Math.max(height, ascent + bounds.y + bounds.height);

		if (codePoint == '\n') {
			lines++;
			height = 0;
		}
	}
	return lines * getLineHeight() + height;
}
 
Example #24
Source Project: TencentKona-8   Author: Tencent   File: Font.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Returns the logical bounds of the specified array of characters
 * in the specified <code>FontRenderContext</code>.  The logical
 * bounds contains the origin, ascent, advance, and height, which
 * includes the leading.  The logical bounds does not always enclose
 * all the text.  For example, in some languages and in some fonts,
 * accent marks can be positioned above the ascent or below the
 * descent.  To obtain a visual bounding box, which encloses all the
 * text, use the {@link TextLayout#getBounds() getBounds} method of
 * <code>TextLayout</code>.
 * <p>Note: The returned bounds is in baseline-relative coordinates
 * (see {@link java.awt.Font class notes}).
 * @param chars an array of characters
 * @param beginIndex the initial offset in the array of
 * characters
 * @param limit the end offset in the array of characters
 * @param frc the specified <code>FontRenderContext</code>
 * @return a <code>Rectangle2D</code> that is the bounding box of the
 * specified array of characters in the specified
 * <code>FontRenderContext</code>.
 * @throws IndexOutOfBoundsException if <code>beginIndex</code> is
 *         less than zero, or <code>limit</code> is greater than the
 *         length of <code>chars</code>, or <code>beginIndex</code>
 *         is greater than <code>limit</code>.
 * @see FontRenderContext
 * @see Font#createGlyphVector
 * @since 1.2
 */
public Rectangle2D getStringBounds(char [] chars,
                                int beginIndex, int limit,
                                   FontRenderContext frc) {
    if (beginIndex < 0) {
        throw new IndexOutOfBoundsException("beginIndex: " + beginIndex);
    }
    if (limit > chars.length) {
        throw new IndexOutOfBoundsException("limit: " + limit);
    }
    if (beginIndex > limit) {
        throw new IndexOutOfBoundsException("range length: " +
                                            (limit - beginIndex));
    }

    // this code should be in textlayout
    // quick check for simple text, assume GV ok to use if simple

    boolean simple = values == null ||
        (values.getKerning() == 0 && values.getLigatures() == 0 &&
          values.getBaselineTransform() == null);
    if (simple) {
        simple = ! FontUtilities.isComplexText(chars, beginIndex, limit);
    }

    if (simple) {
        GlyphVector gv = new StandardGlyphVector(this, chars, beginIndex,
                                                 limit - beginIndex, frc);
        return gv.getLogicalBounds();
    } else {
        // need char array constructor on textlayout
        String str = new String(chars, beginIndex, limit - beginIndex);
        TextLayout tl = new TextLayout(str, this, frc);
        return new Rectangle2D.Float(0, -tl.getAscent(), tl.getAdvance(),
                                     tl.getAscent() + tl.getDescent() +
                                     tl.getLeading());
    }
}
 
Example #25
Source Project: jdk8u-dev-jdk   Author: frohoff   File: TextMeasureTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void runTest(Object ctx, int numReps) {
    GVContext gvctx = (GVContext)ctx;
    GlyphVector gv = gvctx.gv;
    GlyphMetrics gm;
    do {
        for (int i = 0, e = gv.getNumGlyphs(); i < e; ++i) {
            gm = gv.getGlyphMetrics(i);
        }
    } while (--numReps >= 0);
}
 
Example #26
Source Project: jdk8u-dev-jdk   Author: frohoff   File: TextConstructionTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void runTest(Object ctx, int numReps) {
    TCContext tcctx = (TCContext)ctx;
    final Font font = tcctx.font;
    final CharacterIterator ci = tcctx.ci;
    final FontRenderContext frc = tcctx.frc;
    GlyphVector gv;
    do {
        gv = font.createGlyphVector(frc, ci);
    } while (--numReps >= 0);
}
 
Example #27
Source Project: dragonwell8_jdk   Author: alibaba   File: TextConstructionTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void runTest(Object ctx, int numReps) {
    TCContext tcctx = (TCContext)ctx;
    final Font font = tcctx.font;
    final int[] glyphs = tcctx.glyphs;
    final FontRenderContext frc = tcctx.frc;
    GlyphVector gv;
    do {
        gv = font.createGlyphVector(frc, glyphs);
    } while (--numReps >= 0);
}
 
Example #28
Source Project: jdk8u_jdk   Author: JetBrains   File: TextMeasureTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void runTest(Object ctx, int numReps) {
    GVContext gvctx = (GVContext)ctx;
    GlyphVector gv = gvctx.gv;
    Rectangle2D r;
    do {
        r = gv.getVisualBounds();
    } while (--numReps >= 0);
}
 
Example #29
Source Project: jdk8u-jdk   Author: frohoff   File: TextRenderTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void runTest(Object ctx, int numReps) {
    GVContext gvctx = (GVContext)ctx;
    Graphics2D g2d = gvctx.g2d;
    GlyphVector gv = gvctx.gv;
    do {
        g2d.drawGlyphVector(gv, 40, 40);
    } while (--numReps >= 0);
}
 
Example #30
Source Project: openjdk-jdk8u-backup   Author: AdoptOpenJDK   File: TextConstructionTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void runTest(Object ctx, int numReps) {
    TCContext tcctx = (TCContext)ctx;
    final Font font = tcctx.font;
    final char[] chars = tcctx.chars;
    final FontRenderContext frc = tcctx.frc;
    GlyphVector gv;
    do {
        gv = font.createGlyphVector(frc, chars);
    } while (--numReps >= 0);
}