Java Code Examples for java.awt.font.TextLayout.isLeftToRight()

The following are Jave code examples for showing how to use isLeftToRight() of the java.awt.font.TextLayout class. You can vote up the examples you like. Your votes will be used in our system to get more good examples.
Example 1
Project: litiengine   File: SpeechBubble.java   Source Code and License Vote up 5 votes
@Override
public void render(final Graphics2D g) {
  if (this.displayedText == null || this.displayedText.isEmpty() || !Game.getRenderEngine().canRender(this.entity)) {
    return;
  }

  final Point2D location = Game.getCamera().getViewPortLocation(this.entity);
  RenderEngine.renderImage(g, this.bubble, new Point2D.Double(location.getX() + this.entity.getWidth() / 2.0 - this.textBoxWidth / 2.0 - PADDING, location.getY() - this.height - PADDING));

  g.setColor(SPEAK_FONT_COLOR);
  final FontRenderContext frc = g.getFontRenderContext();

  final String text = this.displayedText;
  final AttributedString styledText = new AttributedString(text);
  styledText.addAttribute(TextAttribute.FONT, this.font);
  final AttributedCharacterIterator iterator = styledText.getIterator();
  final LineBreakMeasurer measurer = new LineBreakMeasurer(iterator, frc);
  measurer.setPosition(0);
  final float x = (float) Game.getCamera().getViewPortLocation(this.entity).getX() + this.entity.getWidth() / 2.0f - this.textBoxWidth / 2.0f;
  float y = (float) Game.getCamera().getViewPortLocation(this.entity).getY() - this.height;
  while (measurer.getPosition() < text.length()) {
    final TextLayout layout = measurer.nextLayout(this.textBoxWidth);

    y += layout.getAscent();
    final float dx = layout.isLeftToRight() ? 0 : this.textBoxWidth - layout.getAdvance();
    layout.draw(g, x + dx, y);
    y += layout.getDescent() + layout.getLeading();
  }
}
 
Example 2
Project: freecol   File: FreeColToolTipUI.java   Source Code and License Vote up 5 votes
@Override
public void paint(Graphics g, JComponent c) {
    if (c.isOpaque()) {
        ImageLibrary.drawTiledImage("image.background.FreeColToolTip", g, c, null);
    }

    g.setColor(Color.BLACK); // FIXME: find out why this is necessary

    Graphics2D graphics = (Graphics2D)g;
    float x = margin;
    float y = margin;
    for (String line : lineBreak.split(((JToolTip) c).getTipText())) {
        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);

            y += (layout.getAscent());
            float dx = layout.isLeftToRight() ?
                0 : (maximumWidth - layout.getAdvance());

            layout.draw(graphics, x + dx, y);
            y += layout.getDescent() + layout.getLeading();
        }
    }
 }
 
Example 3
Project: FreeCol   File: FreeColToolTipUI.java   Source Code and License Vote up 5 votes
@Override
public void paint(Graphics g, JComponent c) {
    if (c.isOpaque()) {
        ImageLibrary.drawTiledImage("image.background.FreeColToolTip", g, c, null);
    }

    g.setColor(Color.BLACK); // FIXME: find out why this is necessary

    Graphics2D graphics = (Graphics2D)g;
    float x = margin;
    float y = margin;
    for (String line : lineBreak.split(((JToolTip) c).getTipText())) {
        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);

            y += (layout.getAscent());
            float dx = layout.isLeftToRight() ?
                0 : (maximumWidth - layout.getAdvance());

            layout.draw(graphics, x + dx, y);
            y += layout.getDescent() + layout.getLeading();
        }
    }
 }
 
Example 4
Project: openjdk-jdk10   File: FontPanel.java   Source Code and License Vote up 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();
}