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Class symantec.itools.awt.util.Util

Object
   |
   +----symantec.itools.awt.util.Util

public class Util

extends Object

symantec.itools.awt.util.Util()

Do not use, all-static class.

findComponent(Container, Component)

Finds the index of a component in a container.

getDefaultFont()

Retrieves a default dialog font.

getFontHeight(Graphics)

Determines the height of the font being used by the given graphics context.

getFontHeight(Font)

Determines the height of the font specified.

getFontHeight(FontMetrics)

Determines the height of the font given the metrics of that font.

getGraphics(Image, Component)

Preserves the font information of a graphics object retrieved from an image.

getStringWidth(Graphics, String)

Determines the width of the given string if it were drawn using the specified graphics context.

getStringWidth(Font, String)

Determines the width of the given string if it were drawn using the specified font.

getStringWidth(FontMetrics, String)

Determines the width of the given string if it were drawn in a font with the specified metrics.

public Util()

Do not use, all-static class.

public static int findComponent(Container container,
                                Component component)

Finds the index of a component in a container.

Parameters:

container - the container to search

component - the component to find

Returns:

the zero-relative component index, or -1 if the component is not found in the container

public static java.awt.Font getDefaultFont()

Retrieves a default dialog font. In this case the typeface is a plain 12-point “Dialog”.

Returns:

the default dialog font

public static int getFontHeight(Graphics g)

Determines the height of the font being used by the given graphics context. This is the standard height of a line of text in the font.

Parameters:

g - a graphics context

Returns:

the font height, in pixels

public static int getFontHeight(Font f)

Determines the height of the font specified. This is the standard height of a line of text in the font.

Parameters:

f - the font

Returns:

the font height, in pixels

public static int getFontHeight(FontMetrics m)

Determines the height of the font given the metrics of that font. This is the standard height of a line of text in the font.

Parameters:

m - the metrics of the font

Returns:

the font height, in pixels

public static java.awt.Graphics getGraphics(Image image,
                                            Component component)

Preserves the font information of a graphics object retrieved from an image. This ensures that susequent calls to getFontMetrics through the graphics object will not result in a NullPointerException. It does this by setting the font in the image’s graphics context to the font in the component, as needed.

Parameters:

image - the image with the desired graphics context

component - the component

Returns:

a graphics context with a currently set font

public static int getStringWidth(Graphics g,
                                 String s)

Determines the width of the given string if it were drawn using the specified graphics context.

Parameters:

g - the graphics context

s - the string to determine the width of

Returns:

the width of the string, in pixels

public static int getStringWidth(Font f,
                                 String s)

Determines the width of the given string if it were drawn using the specified font.

Parameters:

g - the font

s - the string to determine the width of

Returns:

the width of the string, in pixels

public static int getStringWidth(FontMetrics m,
                                 String s)

Determines the width of the given string if it were drawn in a font with the specified metrics.

Parameters:

m - the font metrics

s - the string to determine the width of

Returns:

the width of the string, in pixels

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