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Java™ Platform Standard Ed. 6 |
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java.lang.Object java.awt.font.GlyphJustificationInfo
public final class GlyphJustificationInfo
The GlyphJustificationInfo
class represents information
about the justification properties of a glyph. A glyph is the visual
representation of one or more characters. Many different glyphs can
be used to represent a single character or combination of characters.
The four justification properties represented by
GlyphJustificationInfo
are weight, priority, absorb and
limit.
Weight is the overall 'weight' of the glyph in the line. Generally it is proportional to the size of the font. Glyphs with larger weight are allocated a correspondingly larger amount of the change in space.
Priority determines the justification phase in which this glyph is used. All glyphs of the same priority are examined before glyphs of the next priority. If all the change in space can be allocated to these glyphs without exceeding their limits, then glyphs of the next priority are not examined. There are four priorities, kashida, whitespace, interchar, and none. KASHIDA is the first priority examined. NONE is the last priority examined.
Absorb determines whether a glyph absorbs all change in space. Within a given priority, some glyphs may absorb all the change in space. If any of these glyphs are present, no glyphs of later priority are examined.
Limit determines the maximum or minimum amount by which the glyph can change. Left and right sides of the glyph can have different limits.
Each GlyphJustificationInfo
represents two sets of
metrics, which are growing and shrinking. Growing
metrics are used when the glyphs on a line are to be
spread apart to fit a larger width. Shrinking metrics are used when
the glyphs are to be moved together to fit a smaller width.
Field Summary | |
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boolean |
growAbsorb
If true , this glyph absorbs all extra
space at this and lower priority levels when it grows. |
float |
growLeftLimit
The maximum amount by which the left side of this glyph can grow. |
int |
growPriority
The priority level of this glyph as it is growing. |
float |
growRightLimit
The maximum amount by which the right side of this glyph can grow. |
static int |
PRIORITY_INTERCHAR
The second lowest justification priority. |
static int |
PRIORITY_KASHIDA
The highest justification priority. |
static int |
PRIORITY_NONE
The lowest justification priority. |
static int |
PRIORITY_WHITESPACE
The second highest justification priority. |
boolean |
shrinkAbsorb
If true ,this glyph absorbs all remaining shrinkage at
this and lower priority levels as it shrinks. |
float |
shrinkLeftLimit
The maximum amount by which the left side of this glyph can shrink (a positive number). |
int |
shrinkPriority
The priority level of this glyph as it is shrinking. |
float |
shrinkRightLimit
The maximum amount by which the right side of this glyph can shrink (a positive number). |
float |
weight
The weight of this glyph. |
Constructor Summary | |
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GlyphJustificationInfo(float weight,
boolean growAbsorb,
int growPriority,
float growLeftLimit,
float growRightLimit,
boolean shrinkAbsorb,
int shrinkPriority,
float shrinkLeftLimit,
float shrinkRightLimit)
Constructs information about the justification properties of a glyph. |
Method Summary |
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int PRIORITY_KASHIDA
public static final int PRIORITY_WHITESPACE
public static final int PRIORITY_INTERCHAR
public static final int PRIORITY_NONE
public final float weight
public final int growPriority
public final boolean growAbsorb
true
, this glyph absorbs all extra
space at this and lower priority levels when it grows.
public final float growLeftLimit
public final float growRightLimit
public final int shrinkPriority
public final boolean shrinkAbsorb
true
,this glyph absorbs all remaining shrinkage at
this and lower priority levels as it shrinks.
public final float shrinkLeftLimit
public final float shrinkRightLimit
Constructor Detail |
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public GlyphJustificationInfo(float weight, boolean growAbsorb, int growPriority, float growLeftLimit, float growRightLimit, boolean shrinkAbsorb, int shrinkPriority, float shrinkLeftLimit, float shrinkRightLimit)
weight
- the weight of this glyph when allocating space. Must be non-negative.growAbsorb
- if true
this glyph absorbs
all extra space at this priority and lower priority levels when it
growsgrowPriority
- the priority level of this glyph when it
growsgrowLeftLimit
- the maximum amount by which the left side of this
glyph can grow. Must be non-negative.growRightLimit
- the maximum amount by which the right side of this
glyph can grow. Must be non-negative.shrinkAbsorb
- if true
, this glyph absorbs all
remaining shrinkage at this and lower priority levels when it
shrinksshrinkPriority
- the priority level of this glyph when
it shrinksshrinkLeftLimit
- the maximum amount by which the left side of this
glyph can shrink. Must be non-negative.shrinkRightLimit
- the maximum amount by which the right side
of this glyph can shrink. Must be non-negative.
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Java™ Platform Standard Ed. 6 |
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