com.itextpdf.html2pdf.css.util

Class CssUtils

java.lang.Object

com.itextpdf.html2pdf.css.util.CssUtils

public class CssUtils
extends Object

Method Summary

Modifier and Type	Method and Description
static String	extractUrl(String url) Parses url("file.jpg") to file.jpg.
static boolean	isColorProperty(String value)
static boolean	isMetricValue(String value) Checks whether a string contains an allowed metric unit in HTML/CSS; px, in, cm, mm, pc or pt.
static boolean	isNumericValue(String value) Checks whether a string matches a numeric value (e.g.
static boolean	isRelativeValue(String value) Checks whether a string contains an allowed value relative to previously set value.
static boolean	isRemValue(String value) Checks whether a string contains an allowed value relative to previously set root value.
static String	normalizeCssProperty(String str)
static float	parseAbsoluteLength(String length)
static float	parseAbsoluteLength(String length, String defaultMetric) Parses a length with an allowed metric unit (px, pt, in, cm, mm, pc, q) or numeric value (e.g.
static int[]	parseAspectRatio(String str)
static Float	parseFloat(String str)
static Integer	parseInteger(String str)
static com.itextpdf.layout.property.UnitValue	parseLengthValueToPt(String value, float emValue, float remValue)
static float	parseRelativeValue(String relativeValue, float baseValue) Parses an relative value based on the base value that was given, in the metric unit of the base value.
static float	parseResolution(String resolutionStr) Returns value in dpi (currently)
static float[]	parseRgbaColor(String colorValue)
static String	removeDoubleSpacesAndTrim(String str)

Methods inherited from class java.lang.Object

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

Method Detail

normalizeCssProperty

public static String normalizeCssProperty(String str)

removeDoubleSpacesAndTrim

public static String removeDoubleSpacesAndTrim(String str)

parseInteger

public static Integer parseInteger(String str)

parseFloat

public static Float parseFloat(String str)

parseAspectRatio

public static int[] parseAspectRatio(String str)

parseAbsoluteLength

public static float parseAbsoluteLength(String length,
                                        String defaultMetric)

Parses a length with an allowed metric unit (px, pt, in, cm, mm, pc, q) or numeric value (e.g. 123, 1.23, .123) to pt.
A numeric value (without px, pt, etc in the given length string) is considered to be in the default metric that was given.

Parameters:

length - the string containing the length.

defaultMetric - the string containing the metric if it is possible that the length string does not contain one. If null the length is considered to be in px as is default in HTML/CSS.

Returns:

parsed value

parseAbsoluteLength

public static float parseAbsoluteLength(String length)

parseRelativeValue

public static float parseRelativeValue(String relativeValue,
                                       float baseValue)

Parses an relative value based on the base value that was given, in the metric unit of the base value.
(e.g. margin=10% should be based on the page width, so if an A4 is used, the margin = 0.10*595.0 = 59.5f)

Parameters:

relativeValue - in %, em or ex.

baseValue - the value the returned float is based on.

Returns:

the parsed float in the metric unit of the base value.

parseLengthValueToPt

public static com.itextpdf.layout.property.UnitValue parseLengthValueToPt(String value,
                                                                          float emValue,
                                                                          float remValue)

parseResolution

public static float parseResolution(String resolutionStr)

Returns value in dpi (currently)

Parameters:

resolutionStr -

Returns:

isColorProperty

public static boolean isColorProperty(String value)

parseRgbaColor

public static float[] parseRgbaColor(String colorValue)

isMetricValue

public static boolean isMetricValue(String value)

Checks whether a string contains an allowed metric unit in HTML/CSS; px, in, cm, mm, pc or pt.

Parameters:

value - the string that needs to be checked.

Returns:

boolean true if value contains an allowed metric value.

isRelativeValue

public static boolean isRelativeValue(String value)

Checks whether a string contains an allowed value relative to previously set value.

Parameters:

value - the string that needs to be checked.

Returns:

boolean true if value contains an allowed metric value.

isRemValue

public static boolean isRemValue(String value)

Checks whether a string contains an allowed value relative to previously set root value.

Parameters:

value - the string that needs to be checked.

Returns:

boolean true if value contains an allowed metric value.

isNumericValue

public static boolean isNumericValue(String value)

Checks whether a string matches a numeric value (e.g. 123, 1.23, .123). All these metric values are allowed in HTML/CSS.

Parameters:

value - the string that needs to be checked.

Returns:

boolean true if value contains an allowed metric value.

extractUrl

public static String extractUrl(String url)

Parses url("file.jpg") to file.jpg.

Parameters:

url - the url attribute to parse

Returns:

the parsed url. Or original url if not wrappend in url()