com.threerings.opengl.gui
Class LabelRenderer

java.lang.Object
  com.threerings.opengl.gui.LabelRenderer

All Implemented Interfaces:

UIConstants

public class LabelRenderer
extends Object
implements UIConstants

Handles the underlying layout and rendering for Label and Button.

Nested Class Summary

protected static class	LabelRenderer.Config
protected static class	LabelRenderer.Glyphs

Field Summary

protected float	_alpha
protected LabelRenderer.Config	_config
protected TextComponent	_container
protected Label.Fit	_fit
protected int	_gap
protected Icon	_icon
protected int	_ix
protected int	_iy
protected int	_orient
protected LabelRenderer.Config	_prefconfig
protected Dimension	_prefsize
protected int	_prefWidth
protected Rectangle	_srect
protected int	_textRotation
protected int	_tx
protected int	_ty
protected String	_value

Fields inherited from interface com.threerings.opengl.gui.UIConstants

BOTTOM, CENTER, DEFAULT_SIZE, DEFAULT_SPACING, GLOW, HORIZONTAL, LEFT, NORMAL, OUTLINE, OVERLAPPING, PLAIN, RIGHT, SHADOW, TOP, VERTICAL

Constructor Summary

LabelRenderer(TextComponent container)

Method Summary

Dimension	computePreferredSize(int whint, int hhint) Computes the preferred size of the label.
protected Dimension	computeSize(LabelRenderer.Config config)
protected static int	getHeight(int width, int height, int rotation) Returns the height under the supplied rotation.
Icon	getIcon() Returns the icon being displayed by this label.
int	getIconTextGap() Returns the gap between the icon and the text.
int	getIconX() Returns the x coordinate of the icon.
int	getIconY() Returns the y coordinate of the icon.
protected static int	getOffsetX(int width, int height, int rotation) Returns the x offset for rotating the supplied dimensions by the specified amount.
protected static int	getOffsetY(int width, int height, int rotation) Returns the y offset for rotation the supplied dimensions by the specified amount.
String	getText() Returns the text currently being displayed by this label.
protected static int	getWidth(int width, int height, int rotation) Returns the width under the supplied rotation.
protected int	getXOffset(Insets insets, int contWidth, int width)
protected int	getYOffset(Insets insets, int contHeight, int height)
void	layout(Insets insets, int contWidth, int contHeight) Lays out the label text and icon.
protected LabelRenderer.Config	layoutConfig(LabelRenderer.Config oconfig, int twidth) Creates glyphs for the current text at the specified target width.
void	render(Renderer renderer, int x, int y, int contWidth, int contHeight, float alpha) Renders the label text and icon.
protected void	renderText(Renderer renderer, int contWidth, int contHeight, float alpha)
void	setFit(Label.Fit mode) Configures whether this label will wrap, truncate or scale if it cannot fit text into its allotted width.
void	setIcon(Icon icon) Configures the label to display the specified icon.
void	setIconTextGap(int gap) Configures the gap between the icon and the text.
void	setOrientation(int orient) Sets the orientation of this label with respect to its icon.
void	setPreferredWidth(int width) Configures the preferred width of this label (the preferred height will be calculated from the font).
void	setText(String text) Updates the text displayed by this label.
void	setTextRotation(int rotation) Sets the rotation for the text (in ninety degree increments).
protected void	useConfig(LabelRenderer.Config config)

Methods inherited from class java.lang.Object

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

Field Detail

_container

protected TextComponent _container

_value

protected String _value

_textRotation

protected int _textRotation

_orient

protected int _orient

_gap

protected int _gap

_fit

protected Label.Fit _fit

_icon

protected Icon _icon

_ix

protected int _ix

_iy

protected int _iy

_config

protected LabelRenderer.Config _config

_tx

protected int _tx

_ty

protected int _ty

_alpha

protected float _alpha

_prefconfig

protected LabelRenderer.Config _prefconfig

_prefsize

protected Dimension _prefsize

_prefWidth

protected int _prefWidth

_srect

protected Rectangle _srect

Constructor Detail

LabelRenderer

public LabelRenderer(TextComponent container)

Method Detail

setText

public void setText(String text)

Updates the text displayed by this label.

getText

public String getText()

Returns the text currently being displayed by this label.

setIcon

public void setIcon(Icon icon)

Configures the label to display the specified icon.

getIcon

public Icon getIcon()

Returns the icon being displayed by this label.

setIconTextGap

public void setIconTextGap(int gap)

Configures the gap between the icon and the text.

getIconTextGap

public int getIconTextGap()

Returns the gap between the icon and the text.

setTextRotation

public void setTextRotation(int rotation)

Sets the rotation for the text (in ninety degree increments).

setOrientation

public void setOrientation(int orient)

Sets the orientation of this label with respect to its icon. If the horizontal (the default) the text is displayed to the right of the icon, if vertical the text is displayed below it.

setFit

public void setFit(Label.Fit mode)

Configures whether this label will wrap, truncate or scale if it cannot fit text into its allotted width. The default is to wrap.

setPreferredWidth

public void setPreferredWidth(int width)

Configures the preferred width of this label (the preferred height will be calculated from the font).

computePreferredSize

public Dimension computePreferredSize(int whint,
                                      int hhint)

Computes the preferred size of the label.

layout

public void layout(Insets insets,
                   int contWidth,
                   int contHeight)

Lays out the label text and icon.

getIconX

public int getIconX()

Returns the x coordinate of the icon.

getIconY

public int getIconY()

Returns the y coordinate of the icon.

render

public void render(Renderer renderer,
                   int x,
                   int y,
                   int contWidth,
                   int contHeight,
                   float alpha)

Renders the label text and icon.

renderText

protected void renderText(Renderer renderer,
                          int contWidth,
                          int contHeight,
                          float alpha)

computeSize

protected Dimension computeSize(LabelRenderer.Config config)

getXOffset

protected int getXOffset(Insets insets,
                         int contWidth,
                         int width)

getYOffset

protected int getYOffset(Insets insets,
                         int contHeight,
                         int height)

layoutConfig

protected LabelRenderer.Config layoutConfig(LabelRenderer.Config oconfig,
                                            int twidth)

Creates glyphs for the current text at the specified target width.

useConfig

protected void useConfig(LabelRenderer.Config config)

getWidth

protected static int getWidth(int width,
                              int height,
                              int rotation)

Returns the width under the supplied rotation.

getHeight

protected static int getHeight(int width,
                               int height,
                               int rotation)

Returns the height under the supplied rotation.

getOffsetX

protected static int getOffsetX(int width,
                                int height,
                                int rotation)

Returns the x offset for rotating the supplied dimensions by the specified amount.

getOffsetY

protected static int getOffsetY(int width,
                                int height,
                                int rotation)

Returns the y offset for rotation the supplied dimensions by the specified amount.