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SynthGraphicsUtils (Java 2 Platform SE 5.0) - JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档

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javax.swing.plaf.synth
Class SynthGraphicsUtils

java.lang.Object
  extended by javax.swing.plaf.synth.SynthGraphicsUtils

public class SynthGraphicsUtils
extends Object

Wrapper for primitive graphics calls.

Since:
1.5

Constructor Summary
SynthGraphicsUtils()
          Creates a SynthGraphicsUtils.
 
Method Summary
 int computeStringWidth(SynthContext ss, Font font, FontMetrics metrics, String text)
          Returns the size of the passed in string.
 void drawLine(SynthContext context, Object paintKey, Graphics g, int x1, int y1, int x2, int y2)
          Draws a line between the two end points.
 int getMaximumCharHeight(SynthContext context)
          Returns the maximum height of the the Font from the passed in SynthContext.
 Dimension getMaximumSize(SynthContext ss, Font font, String text, Icon icon, int hAlign, int vAlign, int hTextPosition, int vTextPosition, int iconTextGap, int mnemonicIndex)
          Returns the maximum size needed to properly render an icon and text.
 Dimension getMinimumSize(SynthContext ss, Font font, String text, Icon icon, int hAlign, int vAlign, int hTextPosition, int vTextPosition, int iconTextGap, int mnemonicIndex)
          Returns the minimum size needed to properly render an icon and text.
 Dimension getPreferredSize(SynthContext ss, Font font, String text, Icon icon, int hAlign, int vAlign, int hTextPosition, int vTextPosition, int iconTextGap, int mnemonicIndex)
          Returns the preferred size needed to properly render an icon and text.
 String layoutText(SynthContext ss, FontMetrics fm, String text, Icon icon, int hAlign, int vAlign, int hTextPosition, int vTextPosition, Rectangle viewR, Rectangle iconR, Rectangle textR, int iconTextGap)
          Lays out text and an icon returning, by reference, the location to place the icon and text.
 void paintText(SynthContext ss, Graphics g, String text, Icon icon, int hAlign, int vAlign, int hTextPosition, int vTextPosition, int iconTextGap, int mnemonicIndex, int textOffset)
          Paints an icon and text.
 void paintText(SynthContext ss, Graphics g, String text, int x, int y, int mnemonicIndex)
          Paints text at the specified location.
 void paintText(SynthContext ss, Graphics g, String text, Rectangle bounds, int mnemonicIndex)
          Paints text at the specified location.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SynthGraphicsUtils

public SynthGraphicsUtils()
Creates a SynthGraphicsUtils.

Method Detail

drawLine

public void drawLine(SynthContext context,
                     Object paintKey,
                     Graphics g,
                     int x1,
                     int y1,
                     int x2,
                     int y2)
Draws a line between the two end points.

Parameters:
context - Identifies hosting region.
paintKey - Identifies the portion of the component being asked to paint, may be null.
g - Graphics object to paint to
x1 - x origin
y1 - y origin
x2 - x destination
y2 - y destination

layoutText

public String layoutText(SynthContext ss,
                         FontMetrics fm,
                         String text,
                         Icon icon,
                         int hAlign,
                         int vAlign,
                         int hTextPosition,
                         int vTextPosition,
                         Rectangle viewR,
                         Rectangle iconR,
                         Rectangle textR,
                         int iconTextGap)
Lays out text and an icon returning, by reference, the location to place the icon and text.

Parameters:
ss - SynthContext
fm - FontMetrics for the Font to use, this may be ignored
text - Text to layout
icon - Icon to layout
hAlign - horizontal alignment
vAlign - vertical alignment
hTextPosition - horizontal text position
vTextPosition - vertical text position
viewR - Rectangle to layout text and icon in.
iconR - Rectangle to place icon bounds in
textR - Rectangle to place text in
iconTextGap - gap between icon and text

computeStringWidth

public int computeStringWidth(SynthContext ss,
                              Font font,
                              FontMetrics metrics,
                              String text)
Returns the size of the passed in string.

Parameters:
ss - SynthContext
font - Font to use
metrics - FontMetrics, may be ignored
text - Text to get size of.

getMinimumSize

public Dimension getMinimumSize(SynthContext ss,
                                Font font,
                                String text,
                                Icon icon,
                                int hAlign,
                                int vAlign,
                                int hTextPosition,
                                int vTextPosition,
                                int iconTextGap,
                                int mnemonicIndex)
Returns the minimum size needed to properly render an icon and text.

Parameters:
ss - SynthContext
font - Font to use
text - Text to layout
icon - Icon to layout
hAlign - horizontal alignment
vAlign - vertical alignment
hTextPosition - horizontal text position
vTextPosition - vertical text position
iconTextGap - gap between icon and text
mnemonicIndex - Index into text to render the mnemonic at, -1 indicates no mnemonic.

getMaximumSize

public Dimension getMaximumSize(SynthContext ss,
                                Font font,
                                String text,
                                Icon icon,
                                int hAlign,
                                int vAlign,
                                int hTextPosition,
                                int vTextPosition,
                                int iconTextGap,
                                int mnemonicIndex)
Returns the maximum size needed to properly render an icon and text.

Parameters:
ss - SynthContext
font - Font to use
text - Text to layout
icon - Icon to layout
hAlign - horizontal alignment
vAlign - vertical alignment
hTextPosition - horizontal text position
vTextPosition - vertical text position
iconTextGap - gap between icon and text
mnemonicIndex - Index into text to render the mnemonic at, -1 indicates no mnemonic.

getMaximumCharHeight

public int getMaximumCharHeight(SynthContext context)
Returns the maximum height of the the Font from the passed in SynthContext.

Parameters:
context - SynthContext used to determine font.
Returns:
maximum height of the characters for the font from the passed in context.

getPreferredSize

public Dimension getPreferredSize(SynthContext ss,
                                  Font font,
                                  String text,
                                  Icon icon,
                                  int hAlign,
                                  int vAlign,
                                  int hTextPosition,
                                  int vTextPosition,
                                  int iconTextGap,
                                  int mnemonicIndex)
Returns the preferred size needed to properly render an icon and text.

Parameters:
ss - SynthContext
font - Font to use
text - Text to layout
icon - Icon to layout
hAlign - horizontal alignment
vAlign - vertical alignment
hTextPosition - horizontal text position
vTextPosition - vertical text position
iconTextGap - gap between icon and text
mnemonicIndex - Index into text to render the mnemonic at, -1 indicates no mnemonic.

paintText

public void paintText(SynthContext ss,
                      Graphics g,
                      String text,
                      Rectangle bounds,
                      int mnemonicIndex)
Paints text at the specified location. This will not attempt to render the text as html nor will it offset by the insets of the component.

Parameters:
ss - SynthContext
g - Graphics used to render string in.
text - Text to render
bounds - Bounds of the text to be drawn.
mnemonicIndex - Index to draw string at.

paintText

public void paintText(SynthContext ss,
                      Graphics g,
                      String text,
                      int x,
                      int y,
                      int mnemonicIndex)
Paints text at the specified location. This will not attempt to render the text as html nor will it offset by the insets of the component.

Parameters:
ss - SynthContext
g - Graphics used to render string in.
text - Text to render
x - X location to draw text at.
y - Upper left corner to draw text at.
mnemonicIndex - Index to draw string at.

paintText

public void paintText(SynthContext ss,
                      Graphics g,
                      String text,
                      Icon icon,
                      int hAlign,
                      int vAlign,
                      int hTextPosition,
                      int vTextPosition,
                      int iconTextGap,
                      int mnemonicIndex,
                      int textOffset)
Paints an icon and text. This will render the text as html, if necessary, and offset the location by the insets of the component.

Parameters:
ss - SynthContext
g - Graphics to render string and icon into
text - Text to layout
icon - Icon to layout
hAlign - horizontal alignment
vAlign - vertical alignment
hTextPosition - horizontal text position
vTextPosition - vertical text position
iconTextGap - gap between icon and text
mnemonicIndex - Index into text to render the mnemonic at, -1 indicates no mnemonic.
textOffset - Amount to offset the text when painting
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JavaTM 2 Platform
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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.