Java Code Examples for java.awt.font.TextLayout#getAscent()
The following examples show how to use
java.awt.font.TextLayout#getAscent() .
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Example 1
Source File: MainPanel.java From java-swing-tips with MIT License | 6 votes |
@Override protected void paintComponent(Graphics g) { Graphics2D g2 = (Graphics2D) g.create(); g2.setPaint(getForeground()); Insets i = getInsets(); float x = i.left; float y = i.top; int w = getWidth() - i.left - i.right; AttributedString as = new AttributedString(getText()); as.addAttribute(TextAttribute.FONT, getFont()); AttributedCharacterIterator aci = as.getIterator(); FontRenderContext frc = g2.getFontRenderContext(); LineBreakMeasurer lbm = new LineBreakMeasurer(aci, frc); while (lbm.getPosition() < aci.getEndIndex()) { TextLayout tl = lbm.nextLayout(w); tl.draw(g2, x, y + tl.getAscent()); y += tl.getDescent() + tl.getLeading() + tl.getAscent(); } g2.dispose(); }
Example 2
Source File: Font.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
/** * 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 3
Source File: TemplatePreviewPanel.java From nextreports-designer with Apache License 2.0 | 5 votes |
private void drawText(Graphics2D g2, BandElement band, FontRenderContext frc, int w, int rowHeight, int titleDelta, int rowPos, String text) { TextLayout detailLayout = new TextLayout(text, band.getFont(), frc); float detailHeight = detailLayout.getAscent() + detailLayout.getDescent(); int detailWidth = g2.getFontMetrics(band.getFont()).stringWidth(text); for (int i = 0; i < columns; i++) { int alignH = band.getHorizontalAlign(); //System.out.println("alignH=" + alignH); int x0H; // left if (alignH == 2) { x0H = i * w / columns + 5; // right } else if (alignH == 4) { x0H = (i + 1) * w / columns - detailWidth - 5; // center } else { x0H = i * w / columns + (w / columns - detailWidth) / 2; } int y0H = titleDelta + (int) ((rowPos * rowHeight + detailHeight) / 2); //System.out.println("x0H=" + x0H + " y0H=" + y0H); AffineTransform atH = AffineTransform.getTranslateInstance(x0H, y0H); Shape outlineH = detailLayout.getOutline(atH); g2.setColor(band.getForeground()); g2.fill(outlineH); } }
Example 4
Source File: Font.java From jdk8u_jdk with GNU General Public License v2.0 | 5 votes |
/** * 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) { FontDesignMetrics metrics = FontDesignMetrics.getMetrics(this, frc); return metrics.getSimpleBounds(chars, beginIndex, limit-beginIndex); } 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 5
Source File: TextMeasureTests.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
public void runTest(Object ctx, int numReps) { TLContext tlctx = (TLContext)ctx; TextLayout tl = tlctx.tl; float ht = 0; do { ht += tl.getAscent(); } while (--numReps >= 0); }
Example 6
Source File: Font.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
/** * 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 7
Source File: AnimatedPanel.java From qmcflactomp3 with GNU General Public License v3.0 | 5 votes |
@Override public void paintComponent(Graphics g) { super.paintComponent(g); if (convolvedImage != null) { int width = getWidth(); int height = getHeight(); synchronized (convolvedImage) { Graphics2D g2 = (Graphics2D) g; g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON); FontRenderContext context = g2.getFontRenderContext(); TextLayout layout = new TextLayout(message, font, context); Rectangle2D bounds = layout.getBounds(); int x = (width - convolvedImage.getWidth(null)) / 2; int y = (int) (height - (convolvedImage.getHeight(null) + bounds.getHeight() + layout.getAscent())) / 2; g2.drawImage(convolvedImage, x, y, this); g2.setColor(new Color(0, 0, 0, (int) (gradient * 255))); layout.draw(g2, (float) (width - bounds.getWidth()) / 2, (float) (y + convolvedImage.getHeight(null) + bounds.getHeight() + layout.getAscent())); } } }
Example 8
Source File: TextMeasureTests.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
public void runTest(Object ctx, int numReps) { TLContext tlctx = (TLContext)ctx; TextLayout tl = tlctx.tl; float ht = 0; do { ht += tl.getAscent(); } while (--numReps >= 0); }
Example 9
Source File: TextArea.java From pdfxtk with Apache License 2.0 | 5 votes |
void rescale(double scale) { Rectangle bounds = getBounds(scale); HashMap settings = new HashMap(); settings.put(TextAttribute.FONT, new Font(style.getFontAttributes(scale * Integer.parseInt(element.getAttribute("size"))))); AttributedCharacterIterator par = (new AttributedString(element.getAttribute("text"), settings)).getIterator(); LineBreakMeasurer lbm = new LineBreakMeasurer(par, new FontRenderContext(null, false, false)); ArrayList drawList = new ArrayList(); int parEnd = par.getEndIndex(); int positionX; int positionY = bounds.y; lbm.setPosition(par.getBeginIndex()); while (lbm.getPosition() < parEnd) { TextLayout layout = lbm.nextLayout(bounds.width); positionX = bounds.x; if (!layout.isLeftToRight()) { positionX += bounds.width - (int) layout.getAdvance(); } positionY += layout.getAscent(); if (positionY > bounds.y+bounds.height) break; drawList.add(new Point(positionX, positionY)); drawList.add(layout); positionY += layout.getDescent() + layout.getLeading(); } textPositions = new Point[drawList.size()/2]; textLines = new TextLayout[drawList.size()/2]; textScale = scale; for (int i = 0; i < textPositions.length; i++) { textPositions[i] = (Point) drawList.get(i*2); textLines[i] = (TextLayout) drawList.get(i*2+1); } }
Example 10
Source File: Font.java From jdk-1.7-annotated with Apache License 2.0 | 5 votes |
/** * 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 11
Source File: TextLayoutUtils.java From netbeans with Apache License 2.0 | 5 votes |
public static float getHeight(TextLayout textLayout) { float height = textLayout.getAscent() + textLayout.getDescent() + textLayout.getLeading(); // Ceil to whole points since when doing a compound TextLayout and then // using TextLayoutUtils.getRealAlloc() with its TL.getVisualHighlightShape() and doing // Graphics2D.fill(Shape) on the returned shape then for certain fonts such as // Lucida Sans Typewriter size=10 on Ubuntu 10.04 the background is rendered one pixel down for certain lines // so there appear white lines inside a selection. return (float) Math.ceil(height); }
Example 12
Source File: TextMeasureTests.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
public void runTest(Object ctx, int numReps) { TLContext tlctx = (TLContext)ctx; TextLayout tl = tlctx.tl; float ht = 0; do { ht += tl.getAscent(); } while (--numReps >= 0); }
Example 13
Source File: Font.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
/** * 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 File: FontPanel.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
private void drawText( Graphics g, int w, int h ) { Graphics2D g2 = (Graphics2D) g; g2.setColor(Color.white); g2.fillRect(0, 0, w, h); g2.setColor(Color.black); /// sets font, RenderingHints. setParams( g2 ); /// If flag is set, recalculate fontMetrics and reset the scrollbar if ( updateFontMetrics || isPrinting ) { /// NOTE: re-calculates in case G2 transform /// is something other than NONE calcFontMetrics( g2, w, h ); updateFontMetrics = false; } /// Calculate the amount of text that can be drawn... calcTextRange(); /// Draw according to the set "Text to Use" mode if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) { int charToDraw = drawStart; if ( showGrid ) drawGrid( g2 ); for ( int i = 0; i < numCharDown && charToDraw <= drawEnd; i++ ) { for ( int j = 0; j < numCharAcross && charToDraw <= drawEnd; j++, charToDraw++ ) { int gridLocX = j * gridWidth + canvasInset_X; int gridLocY = i * gridHeight + canvasInset_Y; modeSpecificDrawChar( g2, charToDraw, gridLocX + gridWidth / 2, gridLocY + maxAscent ); } } } else if ( textToUse == USER_TEXT ) { g2.drawRect( 0, 0, w - 1, h - 1 ); for ( int i = drawStart; i <= drawEnd; i++ ) { int lineStartX = canvasInset_Y; int lineStartY = ( i - drawStart ) * gridHeight + maxAscent; modeSpecificDrawLine( g2, userText[i], lineStartX, lineStartY ); } } else { float xPos, yPos = (float) canvasInset_Y; g2.drawRect( 0, 0, w - 1, h - 1 ); for ( int i = drawStart; i <= drawEnd; i++ ) { TextLayout oneLine = (TextLayout) lineBreakTLs.elementAt( i ); xPos = oneLine.isLeftToRight() ? canvasInset_X : ( (float) w - oneLine.getAdvance() - canvasInset_X ); float fmData[] = {0, oneLine.getAscent(), 0, oneLine.getDescent(), 0, oneLine.getLeading()}; if (g2Transform != NONE) { AffineTransform at = getAffineTransform(g2Transform); at.transform( fmData, 0, fmData, 0, 3); } //yPos += oneLine.getAscent(); yPos += fmData[1]; // ascent //oneLine.draw( g2, xPos, yPos ); tlDrawLine( g2, oneLine, xPos, yPos ); //yPos += oneLine.getDescent() + oneLine.getLeading(); yPos += fmData[3] + fmData[5]; // descent + leading } } g2.dispose(); }
Example 15
Source File: ProcessDiagramCanvas.java From activiti-in-action-codes with Apache License 2.0 | 4 votes |
protected void drawMultilineText(String text, int x, int y, int boxWidth, int boxHeight) { int availableHeight = boxHeight - ICON_SIZE - ICON_PADDING; // Create an attributed string based in input text AttributedString attributedString = new AttributedString(text); attributedString.addAttribute(TextAttribute.FONT, g.getFont()); attributedString.addAttribute(TextAttribute.FOREGROUND, Color.black); AttributedCharacterIterator characterIterator = attributedString.getIterator(); int width = boxWidth - (2 * TEXT_PADDING); int currentHeight = 0; // Prepare a list of lines of text we'll be drawing List<TextLayout> layouts = new ArrayList<TextLayout>(); String lastLine = null; LineBreakMeasurer measurer = new LineBreakMeasurer(characterIterator, g.getFontRenderContext()); TextLayout layout = null; while (measurer.getPosition() < characterIterator.getEndIndex() && currentHeight <= availableHeight) { int previousPosition = measurer.getPosition(); // Request next layout layout = measurer.nextLayout(width); int height = ((Float) (layout.getDescent() + layout.getAscent() + layout.getLeading())).intValue(); if (currentHeight + height > availableHeight) { // The line we're about to add should NOT be added anymore, append three dots to previous one instead // to indicate more text is truncated layouts.remove(layouts.size() - 1); if (lastLine.length() >= 4) { lastLine = lastLine.substring(0, lastLine.length() - 4) + "..."; } layouts.add(new TextLayout(lastLine, g.getFont(), g.getFontRenderContext())); } else { layouts.add(layout); lastLine = text.substring(previousPosition, measurer.getPosition()); currentHeight += height; } } int currentY = y + ICON_SIZE + ICON_PADDING + ((availableHeight - currentHeight) / 2); int currentX = 0; // Actually draw the lines for (TextLayout textLayout : layouts) { currentY += textLayout.getAscent(); currentX = TEXT_PADDING + x + ((width - ((Double) textLayout.getBounds().getWidth()).intValue()) / 2); textLayout.draw(g, currentX, currentY); currentY += textLayout.getDescent() + textLayout.getLeading(); } }
Example 16
Source File: MainPanel.java From java-swing-tips with MIT License | 4 votes |
@Override protected void paintComponent(Graphics g) { Graphics2D g2 = (Graphics2D) g.create(); g2.setPaint(getBackground()); g2.fillRect(0, 0, getWidth(), getHeight()); Insets i = getInsets(); float x0 = i.left; float y0 = i.top; Font font = getFont(); String txt = getText(); FontRenderContext frc = g2.getFontRenderContext(); Shape shape = new TextLayout(txt.substring(0, 1), font, frc).getOutline(null); AffineTransform at1 = AffineTransform.getScaleInstance(5d, 5d); Shape s1 = at1.createTransformedShape(shape); Rectangle r = s1.getBounds(); r.grow(6, 2); int rw = r.width; int rh = r.height; AffineTransform at2 = AffineTransform.getTranslateInstance(x0, y0 + rh); Shape s2 = at2.createTransformedShape(s1); g2.setPaint(getForeground()); g2.fill(s2); float x = x0 + rw; float y = y0; int w0 = getWidth() - i.left - i.right; int w = w0 - rw; AttributedString as = new AttributedString(txt.substring(1)); as.addAttribute(TextAttribute.FONT, font); AttributedCharacterIterator aci = as.getIterator(); LineBreakMeasurer lbm = new LineBreakMeasurer(aci, frc); while (lbm.getPosition() < aci.getEndIndex()) { TextLayout tl = lbm.nextLayout(w); tl.draw(g2, x, y + tl.getAscent()); y += tl.getDescent() + tl.getLeading() + tl.getAscent(); if (y0 + rh < y) { x = x0; w = w0; } } g2.dispose(); }
Example 17
Source File: AttrStringUtils.java From ccu-historian with GNU General Public License v3.0 | 4 votes |
/** * A utility method that calculates the rotation anchor offsets for a * string. These offsets are relative to the text starting coordinate * (BASELINE_LEFT). * * @param g2 the graphics device. * @param text the text. * @param anchor the anchor point. * * @return The offsets. */ private static float[] deriveRotationAnchorOffsets(Graphics2D g2, AttributedString text, TextAnchor anchor) { float[] result = new float[2]; TextLayout layout = new TextLayout(text.getIterator(), g2.getFontRenderContext()); Rectangle2D bounds = layout.getBounds(); float ascent = layout.getAscent(); float halfAscent = ascent / 2.0f; float descent = layout.getDescent(); float leading = layout.getLeading(); float xAdj = 0.0f; float yAdj = 0.0f; if (isHorizontalLeft(anchor)) { xAdj = 0.0f; } else if (isHorizontalCenter(anchor)) { xAdj = (float) bounds.getWidth() / 2.0f; } else if (isHorizontalRight(anchor)) { xAdj = (float) bounds.getWidth(); } if (isTop(anchor)) { yAdj = descent + leading - (float) bounds.getHeight(); } else if (isHalfHeight(anchor)) { yAdj = descent + leading - (float) (bounds.getHeight() / 2.0); } else if (isHalfAscent(anchor)) { yAdj = -halfAscent; } else if (isBaseline(anchor)) { yAdj = 0.0f; } else if (isBottom(anchor)) { yAdj = descent + leading; } result[0] = xAdj; result[1] = yAdj; return result; }
Example 18
Source File: ProcessDiagramCanvas.java From activiti-in-action-codes with Apache License 2.0 | 4 votes |
protected void drawMultilineText(String text, int x, int y, int boxWidth, int boxHeight) { int availableHeight = boxHeight - ICON_SIZE - ICON_PADDING; // Create an attributed string based in input text AttributedString attributedString = new AttributedString(text); attributedString.addAttribute(TextAttribute.FONT, g.getFont()); attributedString.addAttribute(TextAttribute.FOREGROUND, Color.black); AttributedCharacterIterator characterIterator = attributedString.getIterator(); int width = boxWidth - (2 * TEXT_PADDING); int currentHeight = 0; // Prepare a list of lines of text we'll be drawing List<TextLayout> layouts = new ArrayList<TextLayout>(); String lastLine = null; LineBreakMeasurer measurer = new LineBreakMeasurer(characterIterator, g.getFontRenderContext()); TextLayout layout = null; while (measurer.getPosition() < characterIterator.getEndIndex() && currentHeight <= availableHeight) { int previousPosition = measurer.getPosition(); // Request next layout layout = measurer.nextLayout(width); int height = ((Float) (layout.getDescent() + layout.getAscent() + layout.getLeading())).intValue(); if (currentHeight + height > availableHeight) { // The line we're about to add should NOT be added anymore, append three dots to previous one instead // to indicate more text is truncated layouts.remove(layouts.size() - 1); if (lastLine.length() >= 4) { lastLine = lastLine.substring(0, lastLine.length() - 4) + "..."; } layouts.add(new TextLayout(lastLine, g.getFont(), g.getFontRenderContext())); } else { layouts.add(layout); lastLine = text.substring(previousPosition, measurer.getPosition()); currentHeight += height; } } int currentY = y + ICON_SIZE + ICON_PADDING + ((availableHeight - currentHeight) / 2); int currentX = 0; // Actually draw the lines for (TextLayout textLayout : layouts) { currentY += textLayout.getAscent(); currentX = TEXT_PADDING + x + ((width - ((Double) textLayout.getBounds().getWidth()).intValue()) / 2); textLayout.draw(g, currentX, currentY); currentY += textLayout.getDescent() + textLayout.getLeading(); } }
Example 19
Source File: AttrStringUtils.java From openstock with GNU General Public License v3.0 | 4 votes |
/** * A utility method that calculates the rotation anchor offsets for a * string. These offsets are relative to the text starting coordinate * (BASELINE_LEFT). * * @param g2 the graphics device. * @param text the text. * @param anchor the anchor point. * * @return The offsets. */ private static float[] deriveRotationAnchorOffsets(Graphics2D g2, AttributedString text, TextAnchor anchor) { float[] result = new float[2]; TextLayout layout = new TextLayout(text.getIterator(), g2.getFontRenderContext()); Rectangle2D bounds = layout.getBounds(); float ascent = layout.getAscent(); float halfAscent = ascent / 2.0f; float descent = layout.getDescent(); float leading = layout.getLeading(); float xAdj = 0.0f; float yAdj = 0.0f; if (isHorizontalLeft(anchor)) { xAdj = 0.0f; } else if (isHorizontalCenter(anchor)) { xAdj = (float) bounds.getWidth() / 2.0f; } else if (isHorizontalRight(anchor)) { xAdj = (float) bounds.getWidth(); } if (isTop(anchor)) { yAdj = descent + leading - (float) bounds.getHeight(); } else if (isHalfHeight(anchor)) { yAdj = descent + leading - (float) (bounds.getHeight() / 2.0); } else if (isHalfAscent(anchor)) { yAdj = -halfAscent; } else if (isBaseline(anchor)) { yAdj = 0.0f; } else if (isBottom(anchor)) { yAdj = descent + leading; } result[0] = xAdj; result[1] = yAdj; return result; }
Example 20
Source File: TextBoxView.java From SwingBox with GNU Lesser General Public License v3.0 | 2 votes |
/** * Gets the string bounds. * * @param tl * textlayout instance * @return the string bounds */ protected Rectangle2D getStringBounds(TextLayout tl) { return new Rectangle2D.Float(0, -tl.getAscent(), tl.getAdvance(), tl.getAscent() + tl.getDescent() + tl.getLeading()); }