List of usage examples for java.awt.font LineBreakMeasurer LineBreakMeasurer
public LineBreakMeasurer(AttributedCharacterIterator text, FontRenderContext frc)
From source file:LineBreakSample.java
public LineBreakSample() { AttributedCharacterIterator paragraph = vanGogh.getIterator(); paragraphStart = paragraph.getBeginIndex(); paragraphEnd = paragraph.getEndIndex(); // Create a new LineBreakMeasurer from the paragraph. lineMeasurer = new LineBreakMeasurer(paragraph, new FontRenderContext(null, false, false)); }
From source file:MainClass.java
private void getLayouts(Graphics g) { layouts = new ArrayList(); Graphics2D g2d = (Graphics2D) g; FontRenderContext frc = g2d.getFontRenderContext(); AttributedString attrStr = new AttributedString(text); attrStr.addAttribute(TextAttribute.FONT, font, 0, text.length()); LineBreakMeasurer measurer = new LineBreakMeasurer(attrStr.getIterator(), frc); float wrappingWidth; wrappingWidth = getSize().width - 15; while (measurer.getPosition() < text.length()) { TextLayout layout = measurer.nextLayout(wrappingWidth); layouts.add(layout);//from ww w. j a v a 2 s. co m } }
From source file:Main.java
/** * Returns the {@link Dimension} for the given {@link JTextComponent} * subclass that will show the whole word wrapped text in the given width. * It won't work for styled text of varied size or style, it's assumed that * the whole text is rendered with the {@link JTextComponent}s font. * * @param textComponent the {@link JTextComponent} to calculate the {@link Dimension} for * @param width the width of the resulting {@link Dimension} * @param text the {@link String} which should be word wrapped * @return The calculated {@link Dimension} *///w w w . j av a 2 s .co m public static Dimension getWordWrappedTextDimension(JTextComponent textComponent, int width, String text) { if (textComponent == null) { throw new IllegalArgumentException("textComponent cannot be null"); } if (width < 1) { throw new IllegalArgumentException("width must be 1 or greater"); } if (text == null) { text = textComponent.getText(); } if (text.isEmpty()) { return new Dimension(width, 0); } FontMetrics metrics = textComponent.getFontMetrics(textComponent.getFont()); FontRenderContext rendererContext = metrics.getFontRenderContext(); float formatWidth = width - textComponent.getInsets().left - textComponent.getInsets().right; int lines = 0; String[] paragraphs = text.split("\n"); for (String paragraph : paragraphs) { if (paragraph.isEmpty()) { lines++; } else { AttributedString attributedText = new AttributedString(paragraph); attributedText.addAttribute(TextAttribute.FONT, textComponent.getFont()); AttributedCharacterIterator charIterator = attributedText.getIterator(); LineBreakMeasurer lineMeasurer = new LineBreakMeasurer(charIterator, rendererContext); lineMeasurer.setPosition(charIterator.getBeginIndex()); while (lineMeasurer.getPosition() < charIterator.getEndIndex()) { lineMeasurer.nextLayout(formatWidth); lines++; } } } return new Dimension(width, metrics.getHeight() * lines + textComponent.getInsets().top + textComponent.getInsets().bottom); }
From source file:Utils.java
/** * Renders a paragraph of text (line breaks ignored) to an image (created and returned). * * @param font The font to use/*from w w w . j a v a2 s .c o m*/ * @param textColor The color of the text * @param text The message * @param width The width the text should be limited to * @return An image with the text rendered into it */ public static BufferedImage renderTextToImage(Font font, Color textColor, String text, int width) { Hashtable map = new Hashtable(); map.put(TextAttribute.FONT, font); AttributedString attributedString = new AttributedString(text, map); AttributedCharacterIterator paragraph = attributedString.getIterator(); FontRenderContext frc = new FontRenderContext(null, false, false); int paragraphStart = paragraph.getBeginIndex(); int paragraphEnd = paragraph.getEndIndex(); LineBreakMeasurer lineMeasurer = new LineBreakMeasurer(paragraph, frc); float drawPosY = 0; //First time around, just determine the height while (lineMeasurer.getPosition() < paragraphEnd) { TextLayout layout = lineMeasurer.nextLayout(width); // Move it down drawPosY += layout.getAscent() + layout.getDescent() + layout.getLeading(); } BufferedImage image = createCompatibleImage(width, (int) drawPosY); Graphics2D graphics = (Graphics2D) image.getGraphics(); graphics.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON); drawPosY = 0; lineMeasurer.setPosition(paragraphStart); while (lineMeasurer.getPosition() < paragraphEnd) { TextLayout layout = lineMeasurer.nextLayout(width); // Move y-coordinate by the ascent of the layout. drawPosY += layout.getAscent(); /* Compute pen x position. If the paragraph is right-to-left, we want to align the TextLayouts to the right edge of the panel. */ float drawPosX; if (layout.isLeftToRight()) { drawPosX = 0; } else { drawPosX = width - layout.getAdvance(); } // Draw the TextLayout at (drawPosX, drawPosY). layout.draw(graphics, drawPosX, drawPosY); // Move y-coordinate in preparation for next layout. drawPosY += layout.getDescent() + layout.getLeading(); } graphics.dispose(); return image; }
From source file:com.sander.verhagen.frame.LineWrapCellRenderer.java
private int getLineCount(JTextArea textArea) { AttributedString string = new AttributedString(textArea.getText()); FontRenderContext fontRenderContext = textArea.getFontMetrics(textArea.getFont()).getFontRenderContext(); AttributedCharacterIterator characterIterator = string.getIterator(); LineBreakMeasurer lineBreakMeasurer = new LineBreakMeasurer(characterIterator, fontRenderContext); lineBreakMeasurer.setPosition(characterIterator.getBeginIndex()); int lineCount = 0; while (lineBreakMeasurer.getPosition() < characterIterator.getEndIndex()) { lineBreakMeasurer.nextLayout(textArea.getSize().width); lineCount++;/*from w w w. j av a 2 s . c o m*/ } return lineCount; }
From source file:TextFormat.java
/** * Lazy evaluation of the List of TextLayout objects corresponding to this * MText. Some things are approximations! */// w w w .java 2 s .c om private void getLayouts(Graphics g) { layouts = new ArrayList(); Point pen = new Point(10, 20); Graphics2D g2d = (Graphics2D) g; FontRenderContext frc = g2d.getFontRenderContext(); AttributedString attrStr = new AttributedString(text); attrStr.addAttribute(TextAttribute.FONT, font, 0, text.length()); LineBreakMeasurer measurer = new LineBreakMeasurer(attrStr.getIterator(), frc); float wrappingWidth; wrappingWidth = getSize().width - 15; while (measurer.getPosition() < text.length()) { TextLayout layout = measurer.nextLayout(wrappingWidth); layouts.add(layout); } }
From source file:com.pronoiahealth.olhie.server.services.BookCoverImageService.java
/** * Create an image that contains text//from w ww .ja va 2s . co m * * @param height * @param width * @param text * @param textColor * @param center * @param fontMap * @param type * @return */ private BufferedImage createText(int height, int width, String text, String textColor, boolean center, Map<TextAttribute, Object> fontMap, int type) { BufferedImage img = new BufferedImage(width, height, type); Graphics2D g2d = null; try { g2d = (Graphics2D) img.getGraphics(); // Create attributed text AttributedString txt = new AttributedString(text, fontMap); // Set graphics color g2d.setColor(Color.decode(textColor)); // Create a new LineBreakMeasurer from the paragraph. // It will be cached and re-used. AttributedCharacterIterator paragraph = txt.getIterator(); int paragraphStart = paragraph.getBeginIndex(); int paragraphEnd = paragraph.getEndIndex(); FontRenderContext frc = g2d.getFontRenderContext(); LineBreakMeasurer lineMeasurer = new LineBreakMeasurer(paragraph, frc); // Set break width to width of Component. float breakWidth = (float) width; float drawPosY = 0; // Set position to the index of the first character in the // paragraph. lineMeasurer.setPosition(paragraphStart); // Get lines until the entire paragraph has been displayed. while (lineMeasurer.getPosition() < paragraphEnd) { // Retrieve next layout. A cleverer program would also cache // these layouts until the component is re-sized. TextLayout layout = lineMeasurer.nextLayout(breakWidth); // Compute pen x position. If the paragraph is right-to-left we // will align the TextLayouts to the right edge of the panel. // Note: drawPosX is always where the LEFT of the text is // placed. float drawPosX = layout.isLeftToRight() ? 0 : breakWidth - layout.getAdvance(); if (center == true) { double xOffSet = (width - layout.getBounds().getWidth()) / 2; drawPosX = drawPosX + new Float(xOffSet); } // Move y-coordinate by the ascent of the layout. drawPosY += layout.getAscent(); // Draw the TextLayout at (drawPosX, drawPosY). layout.draw(g2d, drawPosX, drawPosY); // Move y-coordinate in preparation for next layout. drawPosY += layout.getDescent() + layout.getLeading(); } } finally { if (g2d != null) { g2d.dispose(); } } return img; }
From source file:com.lfv.lanzius.server.WorkspaceView.java
@Override protected void paintComponent(Graphics g) { int w = getWidth(); int h = getHeight(); Document doc = server.getDocument(); Color storedCol = g.getColor(); Font storedFont = g.getFont(); // Fill workspace area g.setColor(getBackground());/*from w w w. ja v a2s. c o m*/ g.fillRect(0, 0, w, h); // Should the cached version be updated? int updateDocumentVersion = server.getDocumentVersion(); boolean update = (documentVersion != updateDocumentVersion); // Check if we have cached the latest document version, otherwise cache the terminals if (update) { log.debug("Updating view to version " + updateDocumentVersion); terminalMap.clear(); groupList.clear(); if (doc != null) { synchronized (doc) { // Clear the visible attribute on all groups // except the started or paused ones Element egd = doc.getRootElement().getChild("GroupDefs"); Iterator iter = egd.getChildren().iterator(); while (iter.hasNext()) { Element eg = (Element) iter.next(); boolean isVisible = !DomTools.getAttributeString(eg, "state", "stopped", false) .equals("stopped"); eg.setAttribute("visible", String.valueOf(isVisible)); } // Gather information about terminals and cache it Element etd = doc.getRootElement().getChild("TerminalDefs"); iter = etd.getChildren().iterator(); while (iter.hasNext()) { Element et = (Element) iter.next(); int tid = DomTools.getAttributeInt(et, "id", 0, false); if (tid > 0) { // Create terminal and add it to list Terminal t = new Terminal(tid, DomTools.getAttributeInt(et, "x", 0, false), DomTools.getAttributeInt(et, "y", 0, false), DomTools.getChildText(et, "Name", "T/" + tid, false), DomTools.getAttributeBoolean(et, "online", false, false), DomTools.getAttributeBoolean(et, "selected", false, false)); terminalMap.put(tid, t); // Is the terminal monitored? t.isMonitored = DomTools.getAttributeBoolean(et, "monitored", false, false); // Examine the Player element under PlayerSetup t.groupColor = null; Element ep = DomTools.getElementFromSection(doc, "PlayerSetup", "terminalid", String.valueOf(tid)); // Has linked player for this terminal if (ep != null) { StringBuffer sb = new StringBuffer(); // Append player name sb.append(DomTools.getChildText(ep, "Name", "P/?", true)); sb.append(" ("); // Append role list boolean hasRoles = false; Element ers = ep.getChild("RoleSetup"); if (ers != null) { Iterator iterr = ers.getChildren().iterator(); while (iterr.hasNext()) { Element er = (Element) iterr.next(); String id = er.getAttributeValue("id"); er = DomTools.getElementFromSection(doc, "RoleDefs", "id", id); if (er != null) { sb.append(DomTools.getChildText(er, "Name", "R/" + id, false)); sb.append(", "); hasRoles = true; } } if (hasRoles) { // Trim last comma int len = sb.length(); sb.setLength(Math.max(len - 2, 0)); } sb.append(")"); } t.roles = sb.toString(); // Is the player relocated? t.isRelocated = DomTools.getAttributeBoolean(ep, "relocated", false, false); // Get group name and color Element eg = DomTools.getElementFromSection(doc, "GroupDefs", "id", DomTools.getAttributeString(ep, "groupid", "0", true)); t.groupColor = Color.lightGray; if (eg != null) { String sc = DomTools.getChildText(eg, "Color", null, false); if (sc != null) { try { t.groupColor = Color.decode(sc); } catch (NumberFormatException ex) { log.warn("Invalid color attribute on Group node, defaulting to grey"); } } //t.name += " "+DomTools.getChildText(eg, "Name", "G/"+eg.getAttributeValue("id"), false); t.groupName = DomTools.getChildText(eg, "Name", "G/" + eg.getAttributeValue("id"), false); // This group should now be visible eg.setAttribute("visible", "true"); } else log.warn("Invalid groupid attribute on Player node, defaulting to grey"); } } else log.error("Invalid id attribute on Terminal node, skipping"); } // Gather information about groups and cache it iter = egd.getChildren().iterator(); while (iter.hasNext()) { Element eg = (Element) iter.next(); if (DomTools.getAttributeBoolean(eg, "visible", false, false)) { int gid = DomTools.getAttributeInt(eg, "id", 0, true); if (gid > 0) { Group grp = new Group(gid, DomTools.getChildText(eg, "Name", "G/" + gid, false), DomTools.getAttributeBoolean(eg, "selected", false, false)); groupList.add(grp); // group color String sc = DomTools.getChildText(eg, "Color", null, false); if (sc != null) { try { grp.color = Color.decode(sc); } catch (NumberFormatException ex) { log.warn("Invalid color attribute on Group node, defaulting to grey"); } } // state color grp.stateColor = Color.red; String state = DomTools.getAttributeString(eg, "state", "stopped", false); if (state.equals("started")) grp.stateColor = Color.green; else if (state.equals("paused")) grp.stateColor = Color.orange; } } } } } } if (doc == null) { g.setColor(Color.black); String text = "No configuration loaded. Select 'Load configuration...' from the file menu."; g.drawString(text, (w - SwingUtilities.computeStringWidth(g.getFontMetrics(), text)) / 2, h * 5 / 12); } else { g.setFont(new Font("Dialog", Font.BOLD, 13)); Iterator<Terminal> itert = terminalMap.values().iterator(); while (itert.hasNext()) { Terminal t = itert.next(); // Draw box int b = t.isSelected ? SERVERVIEW_SELECTION_BORDER : 1; g.setColor(Color.black); g.fillRect(t.x + SERVERVIEW_SELECTION_BORDER - b, t.y + SERVERVIEW_SELECTION_BORDER - b, SERVERVIEW_TERMINAL_WIDTH + 2 * b, SERVERVIEW_TERMINAL_HEIGHT + 2 * b); g.setColor(t.groupColor == null ? Color.white : t.groupColor); g.fillRect(t.x + SERVERVIEW_SELECTION_BORDER, t.y + SERVERVIEW_SELECTION_BORDER, SERVERVIEW_TERMINAL_WIDTH, SERVERVIEW_TERMINAL_HEIGHT); // Inner areas Rectangle r = new Rectangle(t.x + SERVERVIEW_SELECTION_BORDER + SERVERVIEW_TERMINAL_BORDER, t.y + SERVERVIEW_SELECTION_BORDER + SERVERVIEW_TERMINAL_BORDER, SERVERVIEW_TERMINAL_WIDTH - 2 * SERVERVIEW_TERMINAL_BORDER, g.getFontMetrics().getHeight() + 4); g.setColor(Color.white); g.fillRect(r.x, r.y, r.width, r.height); g.fillRect(r.x, r.y + r.height + SERVERVIEW_TERMINAL_BORDER + 2, r.width, SERVERVIEW_TERMINAL_HEIGHT - 3 * SERVERVIEW_TERMINAL_BORDER - r.height - 2); g.setColor(Color.black); g.drawRect(r.x, r.y, r.width, r.height); g.drawRect(r.x, r.y + r.height + SERVERVIEW_TERMINAL_BORDER + 2, r.width, SERVERVIEW_TERMINAL_HEIGHT - 3 * SERVERVIEW_TERMINAL_BORDER - r.height - 2); // Name of terminal and group if (server.isaClient(t.tid)) { g.drawImage(indicatorIsa.getImage(), r.x + r.width - 20, r.y + SERVERVIEW_TERMINAL_HEIGHT - 26, null); } g.drawString(t.name + " " + t.groupName, r.x + 4, r.y + r.height - 4); double px = r.x + 4; double py = r.y + r.height + SERVERVIEW_TERMINAL_BORDER + 5; // Draw monitored indicator if (t.isMonitored) { g.drawImage(indicatorMonitored.getImage(), r.x + r.width - 9, r.y + 3, null); } // Draw relocated indicator if (t.isRelocated) { g.drawImage(indicatorRelocated.getImage(), r.x + r.width - 9, r.y + 13, null); } // Draw online indicator r.setBounds(r.x, r.y + r.height, r.width, 3); g.setColor(t.isOnline ? Color.green : Color.red); g.fillRect(r.x, r.y, r.width, r.height); g.setColor(Color.black); g.drawRect(r.x, r.y, r.width, r.height); // Roles if (t.roles.length() > 0) { LineBreakMeasurer lbm = new LineBreakMeasurer(new AttributedString(t.roles).getIterator(), new FontRenderContext(null, false, true)); TextLayout layout; while ((layout = lbm .nextLayout(SERVERVIEW_TERMINAL_WIDTH - 2 * SERVERVIEW_TERMINAL_BORDER)) != null) { if (py < t.y + SERVERVIEW_TERMINAL_HEIGHT) { py += layout.getAscent(); layout.draw((Graphics2D) g, (int) px, (int) py); py += layout.getDescent() + layout.getLeading(); } } } } // Draw group indicators int nbrGroupsInRow = w / (2 * Constants.SERVERVIEW_SELECTION_BORDER + 2 + Constants.SERVERVIEW_GROUP_WIDTH); if (nbrGroupsInRow < 1) nbrGroupsInRow = 1; int nbrGroupRows = (groupList.size() + nbrGroupsInRow - 1) / nbrGroupsInRow; int innerWidth = Constants.SERVERVIEW_GROUP_WIDTH; int innerHeight = g.getFontMetrics().getHeight() + 5; int outerWidth = innerWidth + 2 * Constants.SERVERVIEW_SELECTION_BORDER + 2; int outerHeight = innerHeight + 2 * Constants.SERVERVIEW_SELECTION_BORDER + 2; int x = 0; int y = h - outerHeight * nbrGroupRows; g.setColor(Color.white); g.fillRect(0, y, w, h - y); g.setColor(Color.black); g.drawLine(0, y - 1, w - 1, y - 1); Iterator<Group> iterg = groupList.iterator(); while (iterg.hasNext()) { Group grp = iterg.next(); // Group box grp.boundingRect.setBounds(x, y, outerWidth, outerHeight); int b = grp.isSelected ? Constants.SERVERVIEW_SELECTION_BORDER : 1; g.setColor(Color.black); g.fillRect(x + Constants.SERVERVIEW_SELECTION_BORDER - b + 1, y + Constants.SERVERVIEW_SELECTION_BORDER - b + 1, innerWidth + 2 * b, innerHeight + 2 * b); g.setColor(grp.color); g.fillRect(x + Constants.SERVERVIEW_SELECTION_BORDER + 1, y + Constants.SERVERVIEW_SELECTION_BORDER + 1, innerWidth, innerHeight); g.setColor(Color.black); g.drawString(grp.name, x + Constants.SERVERVIEW_SELECTION_BORDER + 4, y + Constants.SERVERVIEW_SELECTION_BORDER + innerHeight - 4 + 1); // Draw started indicator g.setColor(grp.stateColor); g.fillRect(x + Constants.SERVERVIEW_SELECTION_BORDER + 1, y + Constants.SERVERVIEW_SELECTION_BORDER + 1, innerWidth, 2); g.setColor(Color.black); g.drawLine(x + Constants.SERVERVIEW_SELECTION_BORDER + 1, y + Constants.SERVERVIEW_SELECTION_BORDER + 3, x + Constants.SERVERVIEW_SELECTION_BORDER + 1 + innerWidth, y + Constants.SERVERVIEW_SELECTION_BORDER + 3); x += outerWidth; if ((x + outerWidth) > w) { x = 0; y += outerHeight; } } } // Store cached version documentVersion = updateDocumentVersion; g.setColor(storedCol); g.setFont(storedFont); }
From source file:com.github.lucapino.sheetmaker.renderer.JavaTemplateRenderer.java
public void drawString(Graphics g, String text, RectangularShape bounds, Align align, double angle, boolean multiline) { Graphics2D g2 = (Graphics2D) g; Font font = g2.getFont();/* www.j a v a2s .c o m*/ if (angle != 0) { g2.setFont(font.deriveFont(AffineTransform.getRotateInstance(Math.toRadians(angle)))); } Rectangle2D sSize = g2.getFontMetrics().getStringBounds(text, g2); Point2D pos = getPoint(bounds, align); double x = pos.getX(); double y = pos.getY() + sSize.getHeight(); switch (align) { case TopCenter: case BottomCenter: case Center: x -= (sSize.getWidth() / 2); break; case TopRight: case MiddleRight: case BottomRight: x -= (sSize.getWidth()); break; case BottomLeft: case MiddleLeft: case TopLeft: break; } if (multiline) { // Create a new LineBreakMeasurer from the paragraph. // It will be cached and re-used. //if (lineMeasurer == null) { AttributedCharacterIterator paragraph = new AttributedString(text).getIterator(); paragraphStart = paragraph.getBeginIndex(); paragraphEnd = paragraph.getEndIndex(); FontRenderContext frc = g2.getFontRenderContext(); lineMeasurer = new LineBreakMeasurer(paragraph, frc); //} // Set break width to width of Component. float breakWidth = (float) bounds.getWidth(); float drawPosY = (float) y; // Set position to the index of the first character in the paragraph. lineMeasurer.setPosition(paragraphStart); // Get lines until the entire paragraph has been displayed. while (lineMeasurer.getPosition() < paragraphEnd) { // Retrieve next layout. A cleverer program would also cache // these layouts until the component is re-sized. TextLayout layout = lineMeasurer.nextLayout(breakWidth); // Compute pen x position. If the paragraph is right-to-left we // will align the TextLayouts to the right edge of the panel. // Note: this won't occur for the English text in this sample. // Note: drawPosX is always where the LEFT of the text is placed. float drawPosX = layout.isLeftToRight() ? (float) x : (float) x + breakWidth - layout.getAdvance(); // Move y-coordinate by the ascent of the layout. drawPosY += layout.getAscent(); // Draw the TextLayout at (drawPosX, drawPosY). layout.draw(g2, drawPosX, drawPosY); // Move y-coordinate in preparation for next layout. drawPosY += layout.getDescent() + layout.getLeading(); } } else { g2.drawString(text, (float) x, (float) y); } g2.setFont(font); }
From source file:ru.runa.wfe.graph.image.figure.AbstractFigure.java
private int drawText(Graphics2D graphics, String text, int hOffset) { Rectangle r = getTextBoundsRectangle(); Rectangle2D textBounds = graphics.getFontMetrics().getStringBounds(text, graphics); if (textBounds.getWidth() > r.getWidth() - 4) { int y = coords[1] + hOffset; AttributedString attributedString = new AttributedString(text); attributedString.addAttribute(TextAttribute.FONT, graphics.getFont()); AttributedCharacterIterator characterIterator = attributedString.getIterator(); LineBreakMeasurer measurer = new LineBreakMeasurer(characterIterator, graphics.getFontRenderContext()); while (measurer.getPosition() < characterIterator.getEndIndex()) { TextLayout textLayout = measurer.nextLayout((float) r.getWidth() - 4); y += textLayout.getAscent(); float x = (float) (r.getCenterX() + 2 - textLayout.getBounds().getCenterX()); textLayout.draw(graphics, x, y); y += textLayout.getDescent() + textLayout.getLeading(); }//from www . j ava 2s. c o m return y - coords[1]; } else { graphics.drawString(text, (float) (r.getCenterX() + 2 - textBounds.getCenterX()), (float) (coords[1] + textBounds.getHeight() + hOffset)); return (int) (textBounds.getHeight() + hOffset + 3); } }