Java Code Examples for java.awt.font.LineBreakMeasurer#getPosition()
The following examples show how to use
java.awt.font.LineBreakMeasurer#getPosition() .
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Example 1
| Source File: DefaultProcessDiagramCanvas.java From flowable-engine with Apache License 2.0 | 5 votes |
|
public void drawLabel(String text, GraphicInfo graphicInfo, boolean centered) {
float interline = 1.0f;
// text
if (text != null && text.length() > 0) {
Paint originalPaint = g.getPaint();
Font originalFont = g.getFont();
g.setPaint(LABEL_COLOR);
g.setFont(LABEL_FONT);
int wrapWidth = 100;
double textY = graphicInfo.getY();
// TODO: use drawMultilineText()
AttributedString as = new AttributedString(text);
as.addAttribute(TextAttribute.FOREGROUND, g.getPaint());
as.addAttribute(TextAttribute.FONT, g.getFont());
AttributedCharacterIterator aci = as.getIterator();
FontRenderContext frc = new FontRenderContext(null, true, false);
LineBreakMeasurer lbm = new LineBreakMeasurer(aci, frc);
while (lbm.getPosition() < text.length()) {
TextLayout tl = lbm.nextLayout(wrapWidth);
textY += tl.getAscent();
Rectangle2D bb = tl.getBounds();
double tX = graphicInfo.getX();
if (centered) {
tX += (int) (graphicInfo.getWidth() / 2 - bb.getWidth() / 2);
}
tl.draw(g, (float) tX, (float) textY);
textY += tl.getDescent() + tl.getLeading() + (interline - 1.0f) * tl.getAscent();
}
// restore originals
g.setFont(originalFont);
g.setPaint(originalPaint);
}
}
Example 2
| Source File: TestLineBreakWithFontSub.java From jdk8u_jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Iterate through measurer and check that every line is
* not too long and not too short, but just right.
*/
private void checkMeasurer(LineBreakMeasurer measurer,
float wrappingWidth,
float sequenceAdvance,
int endPosition) {
do {
TextLayout layout = measurer.nextLayout(wrappingWidth);
float visAdvance = layout.getVisibleAdvance();
// Check that wrappingWidth-sequenceAdvance < visAdvance
// Also, if we're not at the end of the paragraph,
// check that visAdvance <= wrappingWidth
if (visAdvance > wrappingWidth) {
// line is too long for given wrapping width
throw new Error("layout is too long");
}
if (measurer.getPosition() < endPosition) {
if (visAdvance <= wrappingWidth - sequenceAdvance) {
// line is too short for given wrapping width;
// another word would have fit
throw new Error("room for more words on line. diff=" +
(wrappingWidth - sequenceAdvance - visAdvance));
}
}
} while (measurer.getPosition() != endPosition);
}
Example 3
| 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)));
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 4
| Source File: FreeColToolTipUI.java From freecol with GNU General Public License v2.0 | 5 votes |
|
@Override
public Dimension getPreferredSize(JComponent c) {
String tipText = ((JToolTip)c).getTipText();
if (tipText == null || tipText.isEmpty()) {
return new Dimension(0, 0);
}
float x = 0f;
float y = 0f;
for (String line : lineBreak.split(tipText)) {
if (line.isEmpty()) {
y += LEADING;
continue;
}
AttributedCharacterIterator styledText
= new AttributedString(line).getIterator();
LineBreakMeasurer measurer = new LineBreakMeasurer(styledText, frc);
while (measurer.getPosition() < styledText.getEndIndex()) {
TextLayout layout = measurer.nextLayout(maximumWidth);
x = Math.max(x, layout.getVisibleAdvance());
y += layout.getAscent() + layout.getDescent() + layout.getLeading();
}
}
return new Dimension((int) (x + 2 * margin),
(int) (y + 2 * margin));
}
Example 5
| Source File: FontPanel.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
FontMetrics fm;
Graphics2D g2 = (Graphics2D)g2d.create();
/// ABP
if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
fm = g2.getFontMetrics();
}
else {
fm = g2.getFontMetrics();
}
maxAscent = fm.getMaxAscent();
maxDescent = fm.getMaxDescent();
if (maxAscent == 0) maxAscent = 10;
if (maxDescent == 0) maxDescent = 5;
if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
/// Give slight extra room for each character
maxAscent += 3;
maxDescent += 3;
gridWidth = fm.getMaxAdvance() + 6;
gridHeight = maxAscent + maxDescent;
if ( force16Cols )
numCharAcross = 16;
else
numCharAcross = ( w - 10 ) / gridWidth;
numCharDown = ( h - 10 ) / gridHeight;
canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
if ( numCharDown == 0 || numCharAcross == 0 )
throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
if ( !isPrinting )
resetScrollbar( verticalBar.getValue() * numCharAcross );
}
else {
maxDescent += fm.getLeading();
canvasInset_X = 5;
canvasInset_Y = 5;
/// gridWidth and numCharAcross will not be used in this mode...
gridHeight = maxAscent + maxDescent;
numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;
if ( numCharDown == 0 )
throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
/// If this is text loaded from file, prepares the LineBreak'ed
/// text layout at this point
if ( textToUse == FILE_TEXT ) {
if ( !isPrinting )
f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
lineBreakTLs = new Vector();
for ( int i = 0; i < fileText.length; i++ ) {
AttributedString as =
new AttributedString( fileText[i], g2.getFont().getAttributes() );
LineBreakMeasurer lbm =
new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );
while ( lbm.getPosition() < fileText[i].length() )
lineBreakTLs.add( lbm.nextLayout( (float) w ));
}
}
if ( !isPrinting )
resetScrollbar( verticalBar.getValue() );
}
}
Example 6
| 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 7
| Source File: FontPanel.java From jdk8u_jdk with GNU General Public License v2.0 | 4 votes |
|
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
FontMetrics fm;
Graphics2D g2 = (Graphics2D)g2d.create();
/// ABP
if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
fm = g2.getFontMetrics();
}
else {
fm = g2.getFontMetrics();
}
maxAscent = fm.getMaxAscent();
maxDescent = fm.getMaxDescent();
if (maxAscent == 0) maxAscent = 10;
if (maxDescent == 0) maxDescent = 5;
if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
/// Give slight extra room for each character
maxAscent += 3;
maxDescent += 3;
gridWidth = fm.getMaxAdvance() + 6;
gridHeight = maxAscent + maxDescent;
if ( force16Cols )
numCharAcross = 16;
else
numCharAcross = ( w - 10 ) / gridWidth;
numCharDown = ( h - 10 ) / gridHeight;
canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
if ( numCharDown == 0 || numCharAcross == 0 )
throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
if ( !isPrinting )
resetScrollbar( verticalBar.getValue() * numCharAcross );
}
else {
maxDescent += fm.getLeading();
canvasInset_X = 5;
canvasInset_Y = 5;
/// gridWidth and numCharAcross will not be used in this mode...
gridHeight = maxAscent + maxDescent;
numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;
if ( numCharDown == 0 )
throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
/// If this is text loaded from file, prepares the LineBreak'ed
/// text layout at this point
if ( textToUse == FILE_TEXT ) {
if ( !isPrinting )
f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
lineBreakTLs = new Vector();
for ( int i = 0; i < fileText.length; i++ ) {
AttributedString as =
new AttributedString( fileText[i], g2.getFont().getAttributes() );
LineBreakMeasurer lbm =
new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );
while ( lbm.getPosition() < fileText[i].length() )
lineBreakTLs.add( lbm.nextLayout( (float) w ));
}
}
if ( !isPrinting )
resetScrollbar( verticalBar.getValue() );
}
}
Example 8
| Source File: WordBreakingLineIterator.java From pentaho-reporting with GNU Lesser General Public License v2.1 | 4 votes |
|
protected TextLayout postProcess( final int start, final TextLayout textLayout,
final LineBreakMeasurer lineBreakMeasurer ) {
int end = lineBreakMeasurer.getPosition();
final TextLayout layout = performWordBreak( start, textLayout, lineBreakMeasurer, end );
return super.postProcess( start, layout, lineBreakMeasurer );
}
Example 9
| Source File: FontPanel.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
FontMetrics fm;
Graphics2D g2 = (Graphics2D)g2d.create();
/// ABP
if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
fm = g2.getFontMetrics();
}
else {
fm = g2.getFontMetrics();
}
maxAscent = fm.getMaxAscent();
maxDescent = fm.getMaxDescent();
if (maxAscent == 0) maxAscent = 10;
if (maxDescent == 0) maxDescent = 5;
if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
/// Give slight extra room for each character
maxAscent += 3;
maxDescent += 3;
gridWidth = fm.getMaxAdvance() + 6;
gridHeight = maxAscent + maxDescent;
if ( force16Cols )
numCharAcross = 16;
else
numCharAcross = ( w - 10 ) / gridWidth;
numCharDown = ( h - 10 ) / gridHeight;
canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
if ( numCharDown == 0 || numCharAcross == 0 )
throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
if ( !isPrinting )
resetScrollbar( verticalBar.getValue() * numCharAcross );
}
else {
maxDescent += fm.getLeading();
canvasInset_X = 5;
canvasInset_Y = 5;
/// gridWidth and numCharAcross will not be used in this mode...
gridHeight = maxAscent + maxDescent;
numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;
if ( numCharDown == 0 )
throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
/// If this is text loaded from file, prepares the LineBreak'ed
/// text layout at this point
if ( textToUse == FILE_TEXT ) {
if ( !isPrinting )
f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
lineBreakTLs = new Vector();
for ( int i = 0; i < fileText.length; i++ ) {
AttributedString as =
new AttributedString( fileText[i], g2.getFont().getAttributes() );
LineBreakMeasurer lbm =
new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );
while ( lbm.getPosition() < fileText[i].length() )
lineBreakTLs.add( lbm.nextLayout( (float) w ));
}
}
if ( !isPrinting )
resetScrollbar( verticalBar.getValue() );
}
}
Example 10
| Source File: FontPanel.java From hottub with GNU General Public License v2.0 | 4 votes |
|
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
FontMetrics fm;
Graphics2D g2 = (Graphics2D)g2d.create();
/// ABP
if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
fm = g2.getFontMetrics();
}
else {
fm = g2.getFontMetrics();
}
maxAscent = fm.getMaxAscent();
maxDescent = fm.getMaxDescent();
if (maxAscent == 0) maxAscent = 10;
if (maxDescent == 0) maxDescent = 5;
if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
/// Give slight extra room for each character
maxAscent += 3;
maxDescent += 3;
gridWidth = fm.getMaxAdvance() + 6;
gridHeight = maxAscent + maxDescent;
if ( force16Cols )
numCharAcross = 16;
else
numCharAcross = ( w - 10 ) / gridWidth;
numCharDown = ( h - 10 ) / gridHeight;
canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
if ( numCharDown == 0 || numCharAcross == 0 )
throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
if ( !isPrinting )
resetScrollbar( verticalBar.getValue() * numCharAcross );
}
else {
maxDescent += fm.getLeading();
canvasInset_X = 5;
canvasInset_Y = 5;
/// gridWidth and numCharAcross will not be used in this mode...
gridHeight = maxAscent + maxDescent;
numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;
if ( numCharDown == 0 )
throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
/// If this is text loaded from file, prepares the LineBreak'ed
/// text layout at this point
if ( textToUse == FILE_TEXT ) {
if ( !isPrinting )
f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
lineBreakTLs = new Vector();
for ( int i = 0; i < fileText.length; i++ ) {
AttributedString as =
new AttributedString( fileText[i], g2.getFont().getAttributes() );
LineBreakMeasurer lbm =
new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );
while ( lbm.getPosition() < fileText[i].length() )
lineBreakTLs.add( lbm.nextLayout( (float) w ));
}
}
if ( !isPrinting )
resetScrollbar( verticalBar.getValue() );
}
}
Example 11
| Source File: FontPanel.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
FontMetrics fm;
Graphics2D g2 = (Graphics2D)g2d.create();
/// ABP
if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
fm = g2.getFontMetrics();
}
else {
fm = g2.getFontMetrics();
}
maxAscent = fm.getMaxAscent();
maxDescent = fm.getMaxDescent();
if (maxAscent == 0) maxAscent = 10;
if (maxDescent == 0) maxDescent = 5;
if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
/// Give slight extra room for each character
maxAscent += 3;
maxDescent += 3;
gridWidth = fm.getMaxAdvance() + 6;
gridHeight = maxAscent + maxDescent;
if ( force16Cols )
numCharAcross = 16;
else
numCharAcross = ( w - 10 ) / gridWidth;
numCharDown = ( h - 10 ) / gridHeight;
canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
if ( numCharDown == 0 || numCharAcross == 0 )
throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
if ( !isPrinting )
resetScrollbar( verticalBar.getValue() * numCharAcross );
}
else {
maxDescent += fm.getLeading();
canvasInset_X = 5;
canvasInset_Y = 5;
/// gridWidth and numCharAcross will not be used in this mode...
gridHeight = maxAscent + maxDescent;
numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;
if ( numCharDown == 0 )
throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
/// If this is text loaded from file, prepares the LineBreak'ed
/// text layout at this point
if ( textToUse == FILE_TEXT ) {
if ( !isPrinting )
f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
lineBreakTLs = new Vector();
for ( int i = 0; i < fileText.length; i++ ) {
AttributedString as =
new AttributedString( fileText[i], g2.getFont().getAttributes() );
LineBreakMeasurer lbm =
new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );
while ( lbm.getPosition() < fileText[i].length() )
lineBreakTLs.add( lbm.nextLayout( (float) w ));
}
}
if ( !isPrinting )
resetScrollbar( verticalBar.getValue() );
}
}
Example 12
| Source File: TextArea2.java From pdfxtk with Apache License 2.0 | 4 votes |
|
void rescale(double scale) {
Rectangle bounds = getBounds(scale);
HashMap settings = new HashMap();
// java 5: Float fontSize = Float.parseFloat(element.getAttribute("font-size"));
float fontSize = Float.parseFloat(element.getAttribute("font-size"));
settings.put(TextAttribute.FONT, new Font(style.getFontAttributes(scale * fontSize)));
AttributedCharacterIterator par = (new AttributedString(element.getAttribute("text"), settings)).getIterator();
//style.fontSize = Float.parseFloat(element.getAttribute("font-size"));
//style.setParam(context, this, element.getAttribute("font-size"));
// this.style("fontsize", element.getAttribute("font-size"));
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 13
| Source File: StyleManagerUtils.java From birt with Eclipse Public License 1.0 | 4 votes |
|
/**
* Calculate the height of a string formatted according to a set of RichTextRuns and fitted within a give width.
* @param sourceText
* The string to be measured.
* @param defaultFont
* The font to be used prior to the first RichTextRun.
* @param widthMM
* The width of the output.
* @param richTextRuns
* The list of RichTextRuns to be applied to the string
* @return
* The heigh, in points, of a box big enough to contain the formatted sourceText.
*/
public float calculateTextHeightPoints( String sourceText, Font defaultFont, double widthMM, List< RichTextRun> richTextRuns ) {
log.debug( "Calculating height for ", sourceText);
final float widthPt = (float)(72 * Math.max( 0, widthMM - 6 ) / 25.4);
float totalHeight = 0;
String[] textLines = sourceText.split("\n");
int lineStartIndex = 0;
String lastLine = null;
Font font = defaultFont;
for( String textLine : textLines ) {
if( lastLine != null ) {
lineStartIndex += lastLine.length() + 1;
}
lastLine = textLine;
AttributedString attrString = new AttributedString(textLine.isEmpty() ? " " : textLine);
int runEnd = textLine.length();
int richTextRunIndex = getRichTextRunIndexForStart(richTextRuns, lineStartIndex);
if( richTextRunIndex >= 0 ) {
font = richTextRuns.get(richTextRunIndex).font;
if( ( richTextRunIndex < richTextRuns.size() - 1 ) && ( richTextRuns.get(richTextRunIndex + 1).startIndex < runEnd ) ) {
runEnd = richTextRuns.get(richTextRunIndex + 1).startIndex;
}
}
log.debug( "Adding attribute - [", 0, " - ", runEnd, "] = ", defaultFont.getFontName(), " ", defaultFont.getFontHeightInPoints(), "pt" );
addFontAttributes(attrString, font, 0, textLine.isEmpty() ? 1 : runEnd );
for( ++richTextRunIndex; ( richTextRunIndex < richTextRuns.size() ) && ( richTextRuns.get( richTextRunIndex ).startIndex < lineStartIndex + textLine.length() ) ; ++richTextRunIndex ) {
RichTextRun run = richTextRuns.get( richTextRunIndex );
RichTextRun nextRun = richTextRunIndex < richTextRuns.size() - 1 ? richTextRuns.get( richTextRunIndex + 1) : null;
if( ( run.startIndex >= lineStartIndex ) && ( run.startIndex < lineStartIndex + textLine.length() + 1 ) ) {
int startIdx = run.startIndex - lineStartIndex;
int endIdx = ( nextRun == null ? sourceText.length() : nextRun.startIndex ) - lineStartIndex;
if( endIdx > textLine.length() ) {
endIdx = textLine.length();
}
if( startIdx < endIdx ) {
log.debug( "Adding attribute: [", startIdx, " - ", endIdx, "] = ", run.font.getFontName(), " ", run.font.getFontHeightInPoints(), "pt" );
addFontAttributes(attrString, run.font, startIdx, endIdx );
}
}
}
LineBreakMeasurer measurer = new LineBreakMeasurer( attrString.getIterator(), frc);
float heightAdjustment = 0.0F;
int lineLength = textLine.isEmpty() ? 1 : textLine.length();
while (measurer.getPosition() < lineLength) {
TextLayout layout = measurer.nextLayout( widthPt );
float lineHeight = layout.getAscent() + layout.getDescent() + layout.getLeading();
if( layout.getDescent() + layout.getLeading() > heightAdjustment ) {
heightAdjustment = layout.getDescent() + layout.getLeading();
}
log.debug ( "Line: ", textLine, " gives height ", lineHeight, "(", layout.getAscent(), "/", layout.getDescent(), "/", layout.getLeading(), ")");
totalHeight += lineHeight;
}
totalHeight += heightAdjustment;
}
log.debug( "Height calculated as ", totalHeight );
return totalHeight;
}
Example 14
| Source File: FontPanel.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
FontMetrics fm;
Graphics2D g2 = (Graphics2D)g2d.create();
/// ABP
if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
fm = g2.getFontMetrics();
}
else {
fm = g2.getFontMetrics();
}
maxAscent = fm.getMaxAscent();
maxDescent = fm.getMaxDescent();
if (maxAscent == 0) maxAscent = 10;
if (maxDescent == 0) maxDescent = 5;
if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
/// Give slight extra room for each character
maxAscent += 3;
maxDescent += 3;
gridWidth = fm.getMaxAdvance() + 6;
gridHeight = maxAscent + maxDescent;
if ( force16Cols )
numCharAcross = 16;
else
numCharAcross = ( w - 10 ) / gridWidth;
numCharDown = ( h - 10 ) / gridHeight;
canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
if ( numCharDown == 0 || numCharAcross == 0 )
throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
if ( !isPrinting )
resetScrollbar( verticalBar.getValue() * numCharAcross );
}
else {
maxDescent += fm.getLeading();
canvasInset_X = 5;
canvasInset_Y = 5;
/// gridWidth and numCharAcross will not be used in this mode...
gridHeight = maxAscent + maxDescent;
numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;
if ( numCharDown == 0 )
throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
/// If this is text loaded from file, prepares the LineBreak'ed
/// text layout at this point
if ( textToUse == FILE_TEXT ) {
if ( !isPrinting )
f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
lineBreakTLs = new Vector();
for ( int i = 0; i < fileText.length; i++ ) {
AttributedString as =
new AttributedString( fileText[i], g2.getFont().getAttributes() );
LineBreakMeasurer lbm =
new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );
while ( lbm.getPosition() < fileText[i].length() )
lineBreakTLs.add( lbm.nextLayout( (float) w ));
}
}
if ( !isPrinting )
resetScrollbar( verticalBar.getValue() );
}
}
Example 15
| Source File: DrawTextParagraph.java From lams with GNU General Public License v2.0 | 4 votes |
|
/**
* break text into lines, each representing a line of text that fits in the wrapping width
*
* @param graphics The drawing context for computing text-lengths.
*/
protected void breakText(Graphics2D graphics){
lines.clear();
DrawFactory fact = DrawFactory.getInstance(graphics);
fact.fixFonts(graphics);
StringBuilder text = new StringBuilder();
AttributedString at = getAttributedString(graphics, text);
boolean emptyParagraph = ("".equals(text.toString().trim()));
AttributedCharacterIterator it = at.getIterator();
LineBreakMeasurer measurer = new LineBreakMeasurer(it, graphics.getFontRenderContext());
for (;;) {
int startIndex = measurer.getPosition();
// add a pixel to compensate rounding errors
double wrappingWidth = getWrappingWidth(lines.isEmpty(), graphics) + 1;
// shape width can be smaller that the sum of insets (this was proved by a test file)
if(wrappingWidth < 0) {
wrappingWidth = 1;
}
int nextBreak = text.indexOf("\n", startIndex + 1);
if (nextBreak == -1) {
nextBreak = it.getEndIndex();
}
TextLayout layout = measurer.nextLayout((float)wrappingWidth, nextBreak, true);
if (layout == null) {
// layout can be null if the entire word at the current position
// does not fit within the wrapping width. Try with requireNextWord=false.
layout = measurer.nextLayout((float)wrappingWidth, nextBreak, false);
}
if(layout == null) {
// exit if can't break any more
break;
}
int endIndex = measurer.getPosition();
// skip over new line breaks (we paint 'clear' text runs not starting or ending with \n)
if(endIndex < it.getEndIndex() && text.charAt(endIndex) == '\n'){
measurer.setPosition(endIndex + 1);
}
TextAlign hAlign = paragraph.getTextAlign();
if(hAlign == TextAlign.JUSTIFY || hAlign == TextAlign.JUSTIFY_LOW) {
layout = layout.getJustifiedLayout((float)wrappingWidth);
}
AttributedString str = (emptyParagraph)
? null // we will not paint empty paragraphs
: new AttributedString(it, startIndex, endIndex);
DrawTextFragment line = fact.getTextFragment(layout, str);
lines.add(line);
maxLineHeight = Math.max(maxLineHeight, line.getHeight());
if(endIndex == it.getEndIndex()) {
break;
}
}
rawText = text.toString();
}
Example 16
| Source File: FontPanel.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
|
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
FontMetrics fm;
Graphics2D g2 = (Graphics2D)g2d.create();
/// ABP
if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
fm = g2.getFontMetrics();
}
else {
fm = g2.getFontMetrics();
}
maxAscent = fm.getMaxAscent();
maxDescent = fm.getMaxDescent();
if (maxAscent == 0) maxAscent = 10;
if (maxDescent == 0) maxDescent = 5;
if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
/// Give slight extra room for each character
maxAscent += 3;
maxDescent += 3;
gridWidth = fm.getMaxAdvance() + 6;
gridHeight = maxAscent + maxDescent;
if ( force16Cols )
numCharAcross = 16;
else
numCharAcross = ( w - 10 ) / gridWidth;
numCharDown = ( h - 10 ) / gridHeight;
canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
if ( numCharDown == 0 || numCharAcross == 0 )
throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
if ( !isPrinting )
resetScrollbar( verticalBar.getValue() * numCharAcross );
}
else {
maxDescent += fm.getLeading();
canvasInset_X = 5;
canvasInset_Y = 5;
/// gridWidth and numCharAcross will not be used in this mode...
gridHeight = maxAscent + maxDescent;
numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;
if ( numCharDown == 0 )
throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
/// If this is text loaded from file, prepares the LineBreak'ed
/// text layout at this point
if ( textToUse == FILE_TEXT ) {
if ( !isPrinting )
f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
lineBreakTLs = new Vector();
for ( int i = 0; i < fileText.length; i++ ) {
AttributedString as =
new AttributedString( fileText[i], g2.getFont().getAttributes() );
LineBreakMeasurer lbm =
new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );
while ( lbm.getPosition() < fileText[i].length() )
lineBreakTLs.add( lbm.nextLayout( (float) w ));
}
}
if ( !isPrinting )
resetScrollbar( verticalBar.getValue() );
}
}
Example 17
| 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 18
| Source File: DefaultProcessDiagramCanvas.java From activiti6-boot2 with Apache License 2.0 | 4 votes |
|
protected void drawMultilineText(String text, int x, int y, int boxWidth, int boxHeight, boolean centered) {
// 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 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 <= boxHeight) {
int previousPosition = measurer.getPosition();
// Request next layout
layout = measurer.nextLayout(boxWidth);
int height = ((Float)(layout.getDescent() + layout.getAscent() + layout.getLeading())).intValue();
if(currentHeight + height > boxHeight) {
// 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
if (!layouts.isEmpty()) {
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()));
}
break;
} else {
layouts.add(layout);
lastLine = text.substring(previousPosition, measurer.getPosition());
currentHeight += height;
}
}
int currentY = y + (centered ? ((boxHeight - currentHeight) /2) : 0);
int currentX = 0;
// Actually draw the lines
for(TextLayout textLayout : layouts) {
currentY += textLayout.getAscent();
currentX = x + (centered ? ((boxWidth - ((Double)textLayout.getBounds().getWidth()).intValue()) /2) : 0);
textLayout.draw(g, currentX, currentY);
currentY += textLayout.getDescent() + textLayout.getLeading();
}
}
Example 19
| 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 20
| Source File: FontPanel.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
private void calcFontMetrics( Graphics2D g2d, int w, int h ) {
FontMetrics fm;
Graphics2D g2 = (Graphics2D)g2d.create();
/// ABP
if ( g2Transform != NONE && textToUse != FILE_TEXT ) {
g2.setFont( g2.getFont().deriveFont( getAffineTransform( g2Transform )) );
fm = g2.getFontMetrics();
}
else {
fm = g2.getFontMetrics();
}
maxAscent = fm.getMaxAscent();
maxDescent = fm.getMaxDescent();
if (maxAscent == 0) maxAscent = 10;
if (maxDescent == 0) maxDescent = 5;
if ( textToUse == RANGE_TEXT || textToUse == ALL_GLYPHS ) {
/// Give slight extra room for each character
maxAscent += 3;
maxDescent += 3;
gridWidth = fm.getMaxAdvance() + 6;
gridHeight = maxAscent + maxDescent;
if ( force16Cols )
numCharAcross = 16;
else
numCharAcross = ( w - 10 ) / gridWidth;
numCharDown = ( h - 10 ) / gridHeight;
canvasInset_X = ( w - numCharAcross * gridWidth ) / 2;
canvasInset_Y = ( h - numCharDown * gridHeight ) / 2;
if ( numCharDown == 0 || numCharAcross == 0 )
throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
if ( !isPrinting )
resetScrollbar( verticalBar.getValue() * numCharAcross );
}
else {
maxDescent += fm.getLeading();
canvasInset_X = 5;
canvasInset_Y = 5;
/// gridWidth and numCharAcross will not be used in this mode...
gridHeight = maxAscent + maxDescent;
numCharDown = ( h - canvasInset_Y * 2 ) / gridHeight;
if ( numCharDown == 0 )
throw new CannotDrawException( isPrinting ? CANT_FIT_PRINT : CANT_FIT_DRAW );
/// If this is text loaded from file, prepares the LineBreak'ed
/// text layout at this point
if ( textToUse == FILE_TEXT ) {
if ( !isPrinting )
f2dt.fireChangeStatus( "LineBreaking Text... Please Wait", false );
lineBreakTLs = new Vector();
for ( int i = 0; i < fileText.length; i++ ) {
AttributedString as =
new AttributedString( fileText[i], g2.getFont().getAttributes() );
LineBreakMeasurer lbm =
new LineBreakMeasurer( as.getIterator(), g2.getFontRenderContext() );
while ( lbm.getPosition() < fileText[i].length() )
lineBreakTLs.add( lbm.nextLayout( (float) w ));
}
}
if ( !isPrinting )
resetScrollbar( verticalBar.getValue() );
}
}
