Package com.itextpdf.layout.renderer
Class LineHeightHelper
- java.lang.Object
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- com.itextpdf.layout.renderer.LineHeightHelper
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class LineHeightHelper extends java.lang.Object
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Field Summary
Fields Modifier and Type Field Description static int
ASCENDER_INDEX
private static float
DEFAULT_LINE_HEIGHT_COEFF
static int
DESCENDER_INDEX
static int
LEADING_INDEX
static int
XHEIGHT_INDEX
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Constructor Summary
Constructors Modifier Constructor Description private
LineHeightHelper()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description (package private) static float
calculateLineHeight(AbstractRenderer renderer)
(package private) static float[]
getActualAscenderDescender(AbstractRenderer renderer)
Get actual ascender, descender.(package private) static float[]
getActualFontInfo(AbstractRenderer renderer)
Get actual ascender, descender, xHeight and leading.(package private) static float[]
getFontAscenderDescenderNormalized(AbstractRenderer renderer)
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Field Detail
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ASCENDER_INDEX
public static final int ASCENDER_INDEX
- See Also:
- Constant Field Values
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DESCENDER_INDEX
public static final int DESCENDER_INDEX
- See Also:
- Constant Field Values
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XHEIGHT_INDEX
public static final int XHEIGHT_INDEX
- See Also:
- Constant Field Values
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LEADING_INDEX
public static final int LEADING_INDEX
- See Also:
- Constant Field Values
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DEFAULT_LINE_HEIGHT_COEFF
private static final float DEFAULT_LINE_HEIGHT_COEFF
- See Also:
- Constant Field Values
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Method Detail
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getActualAscenderDescender
static float[] getActualAscenderDescender(AbstractRenderer renderer)
Get actual ascender, descender.- Parameters:
renderer
- the renderer to retrieve the ascender and descender from- Returns:
- an array containing in this order actual ascender
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getActualFontInfo
static float[] getActualFontInfo(AbstractRenderer renderer)
Get actual ascender, descender, xHeight and leading.- Parameters:
renderer
- the renderer to retrieve the font info from- Returns:
- an array containing in this order actual ascender, descender, xHeight and leading
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getFontAscenderDescenderNormalized
static float[] getFontAscenderDescenderNormalized(AbstractRenderer renderer)
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calculateLineHeight
static float calculateLineHeight(AbstractRenderer renderer)
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