Class FontSelector.PdfFontComparator

java.lang.Object

com.itextpdf.layout.font.FontSelector.PdfFontComparator

All Implemented Interfaces:

Comparator<FontInfo>

Enclosing class:

FontSelector

private static class FontSelector.PdfFontComparator
extends Object
implements Comparator<FontInfo>

Field Summary

Fields

Modifier and Type	Field	Description
(package private) List<String>	fontFamilies
(package private) List<FontCharacteristics>	fontStyles

Constructor Summary

Constructors

Constructor	Description
PdfFontComparator(List<String> fontFamilies, FontCharacteristics fc)

Method Summary

Modifier and Type	Method	Description
private static int	characteristicsSimilarity(String fontFamily, FontCharacteristics fc, FontInfo fontInfo, boolean isLastFontFamilyToBeProcessed)	This method is used to compare two fonts (the required one which is described by fontInfo and the one to be examined which is described by fc and fontFamily) and measure their similarity.
int	compare(FontInfo o1, FontInfo o2)
private static int	family2Similarity(String fontFamily, FontCharacteristics fc, FontInfo fontInfo)	This method is a fallback to compare family2 field if the main method wasn't able to prioritize the fonts.
private static FontCharacteristics	parseFontStyle(String fontFamily, FontCharacteristics fc)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface Comparator

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Details

fontFamilies

List<String> fontFamilies

fontStyles

List<FontCharacteristics> fontStyles

Constructor Details

PdfFontComparator

PdfFontComparator(List<String> fontFamilies,
 FontCharacteristics fc)

Method Details

compare

public int compare(FontInfo o1,
 FontInfo o2)

Specified by:

compare in interface Comparator<FontInfo>

parseFontStyle

private static FontCharacteristics parseFontStyle(String fontFamily,
 FontCharacteristics fc)

characteristicsSimilarity

private static int characteristicsSimilarity(String fontFamily,
 FontCharacteristics fc,
 FontInfo fontInfo,
 boolean isLastFontFamilyToBeProcessed)

This method is used to compare two fonts (the required one which is described by fontInfo and the one to be examined which is described by fc and fontFamily) and measure their similarity. The more the fonts are similar the higher the score is.

Firstly we check if the font-family described by fontInfo equals to the required one. If it's not true the examination fails, it continues otherwise. If the required font-family is monospace, serif or sans serif we check whether the font under examination is monospace, serif or sans serif resp. Its font-family is not taking into considerations.

If font-family is respected, we consider the next font-style characteristics to select the required font of the respected font-family: a) bold b) italic

family2Similarity

private static int family2Similarity(String fontFamily,
 FontCharacteristics fc,
 FontInfo fontInfo)

This method is a fallback to compare family2 field if the main method wasn't able to prioritize the fonts.