Package jexer

Class TImage

java.lang.Object

jexer.TWidget

jexer.TImage

All Implemented Interfaces:

java.lang.Comparable<TWidget>, EditMenuUser

public class TImage
extends TWidget
implements EditMenuUser

TImage renders a piece of a bitmap image on screen.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TImage.Scale	Selections for fitting the image to the text cells.

Constructor Summary

Constructors

Constructor	Description
TImage(TWidget parent, int x, int y, int width, int height, java.awt.image.BufferedImage image, int left, int top)	Public constructor.
TImage(TWidget parent, int x, int y, int width, int height, java.awt.image.BufferedImage image, int left, int top, TAction clickAction)	Public constructor.

Method Summary

Modifier and Type	Method	Description
void	draw()	Draw the image.
int	getColumns()	Get the number of text cell columns for this image.
java.awt.image.BufferedImage	getImage()	Get the raw (unprocessed) image.
int	getLeft()	Get the left corner to render.
int	getRotation()	Get the rotation, as degrees.
int	getRows()	Get the number of text cell rows for this image.
double	getScaleFactor()	Get the scale factor.
TImage.Scale	getScaleType()	Get the scaling strategy.
int	getTop()	Get the top corner to render.
java.awt.image.BufferedImage	getVisibleImage()	Get the visible (processed) image.
boolean	isEditMenuClear()	Check if the clear menu item should be enabled.
boolean	isEditMenuCopy()	Check if the copy menu item should be enabled.
boolean	isEditMenuCut()	Check if the cut menu item should be enabled.
boolean	isEditMenuPaste()	Check if the paste menu item should be enabled.
void	onCommand(TCommandEvent command)	Handle posted command events.
void	onKeypress(TKeypressEvent keypress)	Handle keystrokes.
void	onMouseDown(TMouseEvent mouse)	Handle mouse press events.
void	onResize(TResizeEvent event)	Handle resize events.
void	setImage(java.awt.image.BufferedImage image)	Set the raw image, and reprocess to make the visible image.
void	setLeft(int left)	Set the left corner to render.
void	setRotation(int rotation)	Set the rotation, as degrees clockwise.
void	setScaleFactor(double scaleFactor)	Set the scale factor.
void	setScaleType(TImage.Scale scale)	Set the scaling strategy.
void	setTop(int top)	Set the top corner to render.

Methods inherited from class jexer.TWidget

activate, activate, activate, activateAll, addButton, addCalendar, addCheckBox, addCheckBox, addComboBox, addDirectoryList, addDirectoryList, addDirectoryList, addDirectoryList, addEditor, addField, addField, addField, addField, addImage, addImage, addLabel, addLabel, addLabel, addLabel, addLabel, addLabel, addList, addList, addList, addList, addPanel, addPasswordField, addPasswordField, addPasswordField, addProgressBar, addRadioGroup, addRadioGroup, addSpinner, addSplitPane, addTable, addTable, addText, addText, addTreeViewWidget, addTreeViewWidget, close, compareTo, doRepaint, drawBox, drawBox, drawBoxShadow, drawChildren, fileOpenBox, fileOpenBox, fileOpenBox, fileOpenBox, fileSaveBox, getAbsoluteX, getAbsoluteY, getActiveChild, getApplication, getAttrXY, getChildren, getClipboard, getCursorAbsoluteX, getCursorAbsoluteY, getCursorX, getCursorY, getHeight, getLayoutManager, getParent, getScreen, getTheme, getWidth, getWindow, getX, getY, handleEvent, hasChild, hLineXY, inputBox, inputBox, inputBox, isAbsoluteActive, isActive, isCursorVisible, isDrawable, isEchoKeystrokes, isEnabled, isVisible, messageBox, messageBox, mouseWouldHit, onIdle, onMenu, onMouseDoubleClick, onMouseMotion, onMouseUp, putAll, putAttrXY, putAttrXY, putCharXY, putCharXY, putCharXY, putStringXY, putStringXY, remove, remove, remove, remove, removeAll, resetTabOrder, setActive, setCursorVisible, setCursorX, setCursorY, setDimensions, setEchoKeystrokes, setEchoKeystrokes, setEnabled, setHeight, setLayoutManager, setParent, setupForTWindow, setVisible, setWidth, setWindow, setX, setY, splitHorizontal, splitVertical, switchWidget, toPrettyString, toPrettyString, toString, vLineXY

Methods inherited from class java.lang.Object

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

Constructor Detail

TImage

public TImage(TWidget parent,
              int x,
              int y,
              int width,
              int height,
              java.awt.image.BufferedImage image,
              int left,
              int top)

Public constructor.

Parameters:

parent - parent widget

x - column relative to parent

y - row relative to parent

width - number of text cells for width of the image

height - number of text cells for height of the image

image - the image to display

left - left column of the image. 0 is the left-most column.

top - top row of the image. 0 is the top-most row.

TImage

public TImage(TWidget parent,
              int x,
              int y,
              int width,
              int height,
              java.awt.image.BufferedImage image,
              int left,
              int top,
              TAction clickAction)

Public constructor.

Parameters:

parent - parent widget

x - column relative to parent

y - row relative to parent

width - number of text cells for width of the image

height - number of text cells for height of the image

image - the image to display

left - left column of the image. 0 is the left-most column.

top - top row of the image. 0 is the top-most row.

clickAction - function to call when mouse is pressed

Method Detail

onMouseDown

public void onMouseDown(TMouseEvent mouse)

Handle mouse press events.

Overrides:

onMouseDown in class TWidget

Parameters:

mouse - mouse button press event

onKeypress

public void onKeypress(TKeypressEvent keypress)

Handle keystrokes.

Overrides:

onKeypress in class TWidget

Parameters:

keypress - keystroke event

onResize

public void onResize(TResizeEvent event)

Handle resize events.

Overrides:

onResize in class TWidget

Parameters:

event - resize event

onCommand

public void onCommand(TCommandEvent command)

Handle posted command events.

Overrides:

onCommand in class TWidget

Parameters:

command - command event

draw

public void draw()

Draw the image.

Overrides:

draw in class TWidget

getTop

public int getTop()

Get the top corner to render.

Returns:

the top row

setTop

public void setTop(int top)

Set the top corner to render.

Parameters:

top - the new top row

getLeft

public int getLeft()

Get the left corner to render.

Returns:

the left column

setLeft

public void setLeft(int left)

Set the left corner to render.

Parameters:

left - the new left column

getRows

public int getRows()

Get the number of text cell rows for this image.

Returns:

the number of rows

getColumns

public int getColumns()

Get the number of text cell columns for this image.

Returns:

the number of columns

getImage

public java.awt.image.BufferedImage getImage()

Get the raw (unprocessed) image.

Returns:

the image

setImage

public void setImage(java.awt.image.BufferedImage image)

Set the raw image, and reprocess to make the visible image.

Parameters:

image - the new image

getVisibleImage

public java.awt.image.BufferedImage getVisibleImage()

Get the visible (processed) image.

Returns:

the image that is currently on screen

getScaleType

public TImage.Scale getScaleType()

Get the scaling strategy.

Returns:

Scale.NONE, Scale.STRETCH, etc.

setScaleType

public void setScaleType(TImage.Scale scale)

Set the scaling strategy.

Parameters:

scale - Scale.NONE, Scale.STRETCH, etc.

getScaleFactor

public double getScaleFactor()

Get the scale factor.

Returns:

the scale factor

setScaleFactor

public void setScaleFactor(double scaleFactor)

Set the scale factor. 1.0 means no scaling.

Parameters:

scaleFactor - the new scale factor

getRotation

public int getRotation()

Get the rotation, as degrees.

Returns:

the rotation in degrees

setRotation

public void setRotation(int rotation)

Set the rotation, as degrees clockwise.

Parameters:

rotation - 0, 90, 180, or 270

isEditMenuCut

public boolean isEditMenuCut()

Check if the cut menu item should be enabled.

Specified by:

isEditMenuCut in interface EditMenuUser

Returns:

true if the cut menu item should be enabled

isEditMenuCopy

public boolean isEditMenuCopy()

Check if the copy menu item should be enabled.

Specified by:

isEditMenuCopy in interface EditMenuUser

Returns:

true if the copy menu item should be enabled

isEditMenuPaste

public boolean isEditMenuPaste()

Check if the paste menu item should be enabled.

Specified by:

isEditMenuPaste in interface EditMenuUser

Returns:

true if the paste menu item should be enabled

isEditMenuClear

public boolean isEditMenuClear()

Check if the clear menu item should be enabled.

Specified by:

isEditMenuClear in interface EditMenuUser

Returns:

true if the clear menu item should be enabled