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java.lang.Objectorg.eclipse.swt.graphics.FontMetrics
Instances of this class provide measurement information
about fonts including ascent, descent, height, leading
space between rows, and average character width.
FontMetrics
are obtained from GC
s
using the getFontMetrics()
method.
GC.getFontMetrics()
Field Summary | |
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org.eclipse.swt.internal.win32.TEXTMETRIC |
handle
On Windows, handle is a Win32 TEXTMETRIC struct On Photon, handle is a Photon FontQueryInfo struct (Warning: This field is platform dependent) IMPORTANT: This field is not part of the SWT public API. |
Method Summary | |
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boolean |
equals(Object object)
Compares the argument to the receiver, and returns true if they represent the same object using a class specific comparison. |
int |
getAscent()
Returns the ascent of the font described by the receiver. |
int |
getAverageCharWidth()
Returns the average character width, measured in pixels, of the font described by the receiver. |
int |
getDescent()
Returns the descent of the font described by the receiver. |
int |
getHeight()
Returns the height of the font described by the receiver, measured in pixels. |
int |
getLeading()
Returns the leading area of the font described by the receiver. |
int |
hashCode()
Returns an integer hash code for the receiver. |
static FontMetrics |
win32_new(org.eclipse.swt.internal.win32.TEXTMETRIC handle)
Invokes platform specific functionality to allocate a new font metrics. |
Methods inherited from class java.lang.Object |
---|
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
public org.eclipse.swt.internal.win32.TEXTMETRIC handle
IMPORTANT: This field is not part of the SWT public API. It is marked public only so that it can be shared within the packages provided by SWT. It is not available on all platforms and should never be accessed from application code.
Method Detail |
public boolean equals(Object object)
object
- the object to compare with this object
true
if the object is the same as this object and false
otherwisehashCode()
public int getAscent()
public int getAverageCharWidth()
public int getDescent()
public int getHeight()
getAscent()
,
getDescent()
,
getLeading()
public int getLeading()
public int hashCode()
true
when passed to
equals
must return the same value for this
method.
equals(java.lang.Object)
public static FontMetrics win32_new(org.eclipse.swt.internal.win32.TEXTMETRIC handle)
IMPORTANT: This method is not part of the public
API for FontMetrics
. It is marked public only so that
it can be shared within the packages provided by SWT. It is not
available on all platforms, and should never be called from
application code.
handle
- the TEXTMETRIC
containing information about a font
TEXTMETRIC
|
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Guidelines for using Eclipse APIs.
Copyright (c) IBM Corp. and others 2000, 2005. All rights reserved.