Package org.jfree.layouting.layouter.context

Examples of org.jfree.layouting.layouter.context.FontSpecification

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                      final StyleKey key)
  {
    // Percentages get resolved against the width of a standard space (0x20)
    // character.
    final LayoutContext layoutContext = currentNode.getLayoutContext();
    final FontSpecification fontSpecification =
            layoutContext.getFontSpecification();
    final FontMetrics fm = process.getOutputMetaData().getFontMetrics(fontSpecification);
    if (fm == null)
    {
      // we have no font family, so return.
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                      final StyleKey key)
  {
    // Percentages get resolved against the width of a standard space (0x20)
    // character.
    final LayoutContext layoutContext = currentNode.getLayoutContext();
    final FontSpecification fontSpecification =
            layoutContext.getFontSpecification();
    final FontMetrics fm = process.getOutputMetaData().getFontMetrics(fontSpecification);
    if (fm == null)
    {
      final CSSValue value = layoutContext.getValue(FontStyleKeys.FONT_FAMILY);
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    {
      return; // no parent to resolve against ...
    }

    final double adjustFactor = nval.getValue();
    final FontSpecification fontSpecification =
        currentNode.getLayoutContext().getFontSpecification();
    final FontMetrics fontMetrics =
        process.getOutputMetaData().getFontMetrics(fontSpecification);
    if (fontMetrics == null)
    {
      return; // no font metrics means no valid font...
    }

    final double actualFontXHeight = StrictGeomUtility.toExternalValue(fontMetrics.getXHeight());

    final double fontSize = fontSpecification.getFontSize();
    final double aspectRatio = actualFontXHeight / fontSize;
    final double result = (fontSize * (adjustFactor / aspectRatio));
    fontSpecification.setFontSize(result);
  }
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                      final StyleKey key)
  {
    final LayoutContext layoutContext = currentNode.getLayoutContext();
    final CSSValue value = layoutContext.getValue(key);
    final LayoutElement parent = currentNode.getParent();
    final FontSpecification fontSpecification =
        currentNode.getLayoutContext().getFontSpecification();

    if (value instanceof CSSNumericValue == false)
    {
      if (parent == null)
      {
        fontSpecification.setFontSize(this.baseFontSize);
        layoutContext.setValue(key, CSSNumericValue.createValue(CSSNumericType.PT, baseFontSize));
      }
      else
      {
        final LayoutContext parentContext = parent.getLayoutContext();
        final FontSpecification parentFont = parentContext.getFontSpecification();
        final double fontSize = parentFont.getFontSize();
        fontSpecification.setFontSize(fontSize);
        layoutContext.setValue(key, CSSNumericValue.createValue(CSSNumericType.PT, fontSize));
      }
      return;
    }

    final CSSNumericValue nval = (CSSNumericValue) value;
    if (CSSValueResolverUtility.isAbsoluteValue(nval))
    {
      final CSSNumericValue fsize = CSSValueResolverUtility.convertLength
          (nval, currentNode.getLayoutContext(), process.getOutputMetaData());
      final double fontSize = fsize.getValue();
      fontSpecification.setFontSize(fontSize);
      layoutContext.setValue(key, CSSNumericValue.createValue(CSSNumericType.PT, fontSize));
    }
    // we encountered one of the relative values.
    else if (CSSNumericType.EM.equals(nval.getType()))
    {
      final double parentSize;
      if (parent == null)
      {
        parentSize = this.baseFontSize;
      }
      else
      {
        final LayoutContext parentContext = parent.getLayoutContext();
        final FontSpecification parentFont = parentContext.getFontSpecification();
        parentSize = parentFont.getFontSize();
      }
      final double fontSize = parentSize * nval.getValue();
      fontSpecification.setFontSize(fontSize);
      layoutContext.setValue(key, CSSNumericValue.createValue(CSSNumericType.PT, fontSize));
    }
    else if (CSSNumericType.EX.equals(nval.getType()))
    {
      final double parentSize;
      if (parent == null)
      {
        // if we have no parent, we create a fixed default value.
        parentSize = this.baseFontSize * LibFontsDefaults.DEFAULT_XHEIGHT_SIZE / LibFontsDefaults.DEFAULT_ASCENT_SIZE;
      }
      else
      {
        final LayoutContext parentContext = parent.getLayoutContext();
        final FontSpecification parentFont = parentContext.getFontSpecification();
        parentSize = parentFont.getFontSize();
      }
      final double fontSize = parentSize * nval.getValue();
      layoutContext.setValue(key, CSSNumericValue.createValue(CSSNumericType.PT, fontSize));
      fontSpecification.setFontSize(fontSize);
    }
    else if (CSSNumericType.PERCENTAGE.equals(nval.getType()))
    {
      final double parentSize;
      if (parent == null)
      {
        // if we have no parent, we create a fixed default value.
        parentSize = this.baseFontSize;
      }
      else
      {
        final LayoutContext parentContext = parent.getLayoutContext();
        final FontSpecification parentFont = parentContext.getFontSpecification();
        parentSize = parentFont.getFontSize();
      }
      final double fontSize = parentSize * nval.getValue() / 100.0d;
      fontSpecification.setFontSize(fontSize);
      layoutContext.setValue(key, CSSNumericValue.createValue(CSSNumericType.PT, fontSize));
    }
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      startText = false;
      produced = false;
    }

    // Todo: This is part of a cheap hack ..
    final FontSpecification fontSpecification =
        layoutContext.getFontSpecification();
    final OutputProcessorMetaData outputMetaData =
        layoutProcess.getOutputMetaData();
    fontMetrics = outputMetaData.getFontMetrics(fontSpecification);
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  }

  protected FontSizeProducer createFontSizeProducer
      (final LayoutContext layoutContext)
  {
    final FontSpecification fontSpecification =
        layoutContext.getFontSpecification();
    final OutputProcessorMetaData outputMetaData =
        layoutProcess.getOutputMetaData();
    final FontMetrics fontMetrics =
        outputMetaData.getFontMetrics(fontSpecification);
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      // this is either the logical page box or one of the direct anchestors
      // of said box.
      return;
    }

    final FontSpecification fs = layoutContext.getFontSpecification();
    final double fontSize = fs.getFontSize();
    builder.append(FontStyleKeys.FONT_SIZE, toPointString(fontSize), "pt");
    builder.append(FontStyleKeys.FONT_FAMILY, fs.getFontFamily());
    builder.append(FontStyleKeys.FONT_WEIGHT,
        layoutContext.getValue(FontStyleKeys.FONT_WEIGHT));
    builder.append(FontStyleKeys.FONT_STYLE,
        layoutContext.getValue(FontStyleKeys.FONT_STYLE));
    builder.append(TextStyleKeys.TEXT_ALIGN, layoutContext.getValue(TextStyleKeys.TEXT_ALIGN));
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    final long posX = renderableText.getX();
    final long posY = renderableText.getY();
    long runningPos = posX;

    final LayoutContext layoutContext = renderableText.getLayoutContext();
    final FontSpecification fontSpecification =
            layoutContext.getFontSpecification();

    int style = Font.PLAIN;
    if (fontSpecification.getFontWeight() > 400)
    {
      style |= Font.BOLD;
    }
    if (fontSpecification.isItalic() || fontSpecification.isOblique())
    {
      style |= Font.ITALIC;
    }

    final CSSColorValue cssColor = (CSSColorValue)
            layoutContext.getValue(ColorStyleKeys.COLOR);

    g2.setColor(cssColor);
    g2.setFont(new Font(fontSpecification.getFontFamily(), style, (int) fontSpecification.getFontSize()));

    final int length = renderableText.getOffset() + renderableText.getLength();
    for (int i = renderableText.getOffset(); i < length; i++)
    {
      final Glyph g = gs[i];
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    if (context != null)
    {
      if (CSSNumericType.EM.equals(value.getType()))
      {
        final FontSpecification fspec =
            context.getFontSpecification();
        final double fontSize = fspec.getFontSize();
        return (fontSize * value.getValue());
      }
      if (CSSNumericType.EX.equals(value.getType()))
      {
        final FontSpecification fspec =
            context.getFontSpecification();
        final FontMetrics fontMetrics = metaData.getFontMetrics(fspec);
        if (fontMetrics == null)
        {
          final long fontSize = (long) (fspec.getFontSize() * DEFAULT_X_HEIGHT_FACTOR);
          return StrictGeomUtility.toExternalValue((long) (value.getValue() * fontSize));
        }
        else
        {
          return StrictGeomUtility.toExternalValue((long) (value.getValue() * fontMetrics.getXHeight()));
 
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    if (context != null)
    {
      if (CSSNumericType.EM.equals(value.getType()))
      {
        final FontSpecification fspec =
            context.getFontSpecification();
        final double fontSize = fspec.getFontSize();
        return (long) (fontSize * internal);
      }
      if (CSSNumericType.EX.equals(value.getType()))
      {
        final FontSpecification fspec =
            context.getFontSpecification();
        final FontMetrics fontMetrics = metaData.getFontMetrics(fspec);
        if (fontMetrics == null)
        {
          final long fontSize = (long) (fspec.getFontSize() * DEFAULT_X_HEIGHT_FACTOR);
          return StrictGeomUtility.multiply (internal, fontSize);
        }
        else
        {
          return StrictGeomUtility.multiply (internal, fontMetrics.getXHeight());
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Related Classes of org.jfree.layouting.layouter.context.FontSpecification

  • org.jfree.layouting.input.style.values.CSSNumericValue
  • org.jfree.layouting.input.style.values.CSSValue
  • org.jfree.layouting.layouter.style.CSSValueResolverUtility
  • org.jfree.layouting.layouter.style.resolver.autovalue.fonts.FontSmoothResolveHandler
  • org.jfree.layouting.layouter.style.resolver.computed.fonts.FontFamilyResolveHandler
  • org.jfree.layouting.layouter.style.resolver.percentages.fonts.FontSizeAdjustResolveHandler
  • org.jfree.layouting.layouter.style.resolver.percentages.fonts.FontSizeResolveHandler
  • org.jfree.layouting.layouter.style.resolver.percentages.text.LetterSpacingResolveHandler
  • org.jfree.layouting.layouter.style.resolver.percentages.text.WordSpacingResolveHandler
  • org.jfree.layouting.modules.output.graphics.LogicalPageDrawable
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