fr.inria.zvtm.engine

Class Utils

java.lang.Object

fr.inria.zvtm.engine.Utils

public class Utils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static double	HALF_PI
static double	THREE_HALF_PI
static double	TWO_PI

Method Summary

Modifier and Type	Method and Description
static String	arrayOffloatAsCSStrings(float[] ar)
static boolean	containsGlyph(Glyph[] ga, Glyph g) Checks whether Glyph array ga contains glyph g or not.
static boolean	containsGlyph(Glyph[] ga, Glyph g, int maxIndex) Checks whether Glyph array ga contains glyph g or not within its first N items.
static void	delLeadingSpaces(StringBuffer sb)
static Glyph	getClosestGlyph(Glyph[] glyphs, Point2D.Double vp) Get glyph closest to a given point in virtual space.
static Color	getColorByKeyword(String keyword) Get the Java AWT color which corresponds to a color keyword as defined in http://www.w3.org/TR/SVG/types.html#ColorKeywords.
static int	getMenuShortcutKeyMod()
static int	getMenuShortcutKeyPlusShiftMod()
static int	indexOfGlyph(Glyph[] ga, Glyph g) Checks whether Glyph array ga contains glyph g or not and returns its index.
static int	indexOfGlyph(Glyph[] ga, Glyph g, int maxIndex) Checks whether Glyph array ga contains glyph g or not within its first N items, and returns its index.
static boolean	javaVersionIs140OrLater() tells wheter the current JVM is version 1.4.0 and later (or not)
static void	main(String[] args)
static Paint	makeDiagGradient(float width, float height, Color centerColor) Returns a diagonal gradient centered around a color (upper left corner is lighter, lower right corner is darker)
static boolean	osIsMacOS() tells wheter the underlying OS is Mac OS X or not
static boolean	osIsWindows() tells whether the underlying OS is Windows(Win32) or not
static Image	readImage(String filePath)
static String	replaceString(String input, String key, String replacement) Replaces all occurences of key in input by replacement
static void	tile(String src, String targetPattern, int tileSize)
static double[]	widthHeight(Glyph glyph)

Methods inherited from class java.lang.Object

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

Field Detail

TWO_PI

public static final double TWO_PI

See Also:

Constant Field Values

HALF_PI

public static final double HALF_PI

See Also:

Constant Field Values

THREE_HALF_PI

public static final double THREE_HALF_PI

See Also:

Constant Field Values

Method Detail

getColorByKeyword

public static Color getColorByKeyword(String keyword)

Get the Java AWT color which corresponds to a color keyword as defined in http://www.w3.org/TR/SVG/types.html#ColorKeywords.

Parameters:

keyword - a color keyword name such as black, blue, lime, darkorchid, etc...

getMenuShortcutKeyMod

public static int getMenuShortcutKeyMod()

getMenuShortcutKeyPlusShiftMod

public static int getMenuShortcutKeyPlusShiftMod()

arrayOffloatAsCSStrings

public static String arrayOffloatAsCSStrings(float[] ar)

javaVersionIs140OrLater

public static boolean javaVersionIs140OrLater()

tells wheter the current JVM is version 1.4.0 and later (or not)

osIsMacOS

public static boolean osIsMacOS()

tells wheter the underlying OS is Mac OS X or not

osIsWindows

public static boolean osIsWindows()

tells whether the underlying OS is Windows(Win32) or not

replaceString

public static String replaceString(String input,
                                   String key,
                                   String replacement)

Replaces all occurences of key in input by replacement

delLeadingSpaces

public static void delLeadingSpaces(StringBuffer sb)

Parameters:

sb - a StringBuffer from which leading whitespaces should be removed

containsGlyph

public static boolean containsGlyph(Glyph[] ga,
                                    Glyph g)

Checks whether Glyph array ga contains glyph g or not.

containsGlyph

public static boolean containsGlyph(Glyph[] ga,
                                    Glyph g,
                                    int maxIndex)

Checks whether Glyph array ga contains glyph g or not within its first N items.

Parameters:

maxIndex - look for g in items in range [0,maxIndex[

getClosestGlyph

public static Glyph getClosestGlyph(Glyph[] glyphs,
                                    Point2D.Double vp)

Get glyph closest to a given point in virtual space.

indexOfGlyph

public static int indexOfGlyph(Glyph[] ga,
                               Glyph g)

Checks whether Glyph array ga contains glyph g or not and returns its index.

indexOfGlyph

public static int indexOfGlyph(Glyph[] ga,
                               Glyph g,
                               int maxIndex)

Checks whether Glyph array ga contains glyph g or not within its first N items, and returns its index.

Parameters:

maxIndex - look for g in items in range [0,maxIndex[

widthHeight

public static double[] widthHeight(Glyph glyph)

tile

public static void tile(String src,
                        String targetPattern,
                        int tileSize)

readImage

public static Image readImage(String filePath)

makeDiagGradient

public static Paint makeDiagGradient(float width,
                                     float height,
                                     Color centerColor)

Returns a diagonal gradient centered around a color (upper left corner is lighter, lower right corner is darker)

Parameters:

width - gradient width

height - gradient height

centerColor - center color

main

public static void main(String[] args)