DisplayCanvas (Fiji Javadocs 0-SNAPSHOT API)

java.lang.Object
- java.awt.Component
- - java.awt.Canvas
  - - ij.gui.ImageCanvas
    - - ini.trakem2.display.DisplayCanvas

All Implemented Interfaces:

KeyListener, MouseListener, MouseMotionListener, MouseWheelListener, ImageObserver, MenuContainer, Serializable, Cloneable, EventListener, Accessible
```
public final class DisplayCanvas
extends ImageCanvas
implements KeyListener, MouseWheelListener
```
See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`protected class`	`DisplayCanvas.RepaintProperties`
`class`	`DisplayCanvas.Screenshot`
`protected class`	`DisplayCanvas.ScreenshotProperties`

Nested classes/interfaces inherited from class java.awt.Canvas
Canvas.AccessibleAWTCanvas

Nested classes/interfaces inherited from class java.awt.Component
Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields
Modifier and Type	Field and Description
`protected static AffineTransform`	`DEFAULT_AFFINE`
`protected static BasicStroke`	`DEFAULT_STROKE` Paints a handle on the offscreen x,y.
`protected Point`	`last_popup` In world coordinates.

Fields inherited from class ij.gui.ImageCanvas
crosshairCursor, defaultCursor, dstHeight, dstWidth, flags, handCursor, ij, imageHeight, imageUpdated, imageWidth, imp, lastZoomSX, lastZoomSY, magnification, MAX_MOUSEMOVE_ZOOM, moveCursor, srcRect, usePointer, xMouse, xMouseStart, xSrcStart, yMouse, yMouseStart, ySrcStart, zoomTargetOX, zoomTargetOY

Fields inherited from class java.awt.Component
accessibleContext, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver
ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Constructors
Constructor and Description

DisplayCanvas(Display display, int width, int height)

Constructors
Constructor and Description
`DisplayCanvas(Display display, int width, int height)`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`void`	`adjustDimensions()` Adjust srcRect and internal variables to the canvas' bounds.
`void`	`adjustSrcRect(int new_width, int new_height)` Adjust srcRect to new dimensions.
`protected void`	`animateBrowsing(int dx, int dy)` Smoothly move the canvas from x0,y0,layer0 to x1,y1,layer1
`boolean`	`animateBrowsing(Rectangle target_, Layer target_layer)` Smoothly move the canvas from its current position until the given rectangle is included within the srcRect.
`boolean`	`applyTransform()`
`void`	`cancelTransform()`
`void`	`center(Rectangle r, double magn)` Show the given r as the srcRect (or as much of it as possible) at the given magnification.
`protected Point`	`consumeLastPopupPoint()`
`void`	`destroy()`
`static void`	`drawHandle(Graphics2D g, double x, double y, Rectangle srcRect, double magnification)`
`static void`	`drawHandle(Graphics g, int x, int y, double magnification)` Paints a handle on the screen coords.
`static void`	`drawScreenHandle(Graphics g, int x, int y)` Paints a handle at x,y screen coords.
`void`	`flush()` Release offscreen images and stop threads.
`Display`	`getDisplay()`
`List<Displayable>`	`getDisplayablesUnderMouse()` See `getDisplayablesUnderMouse(MouseEvent)`.
`List<Displayable>`	`getDisplayablesUnderMouse(MouseEvent me)` Return the list of Displayable objects under the mouse, sorted by proper stack order.
`ij.ImagePlus`	`getFakeImagePlus()` CAREFUL: the ImageProcessor of the returned ImagePlus is fake, that is, a 4x4 byte array; but the dimensions that it returns are those of the host LayerSet.
`protected double`	`getHigherZoomLevel2(double currentMag)`
`protected double`	`getLowerZoomLevel2(double currentMag)` Enable zooming out up to the point where the display becomes 10 pixels in width or height.
`void`	`handlePopupMenu()` Overriding to disable it.
`protected void`	`invalidateVolatile()`
`boolean`	`isDragging()`
`boolean`	`isInputEnabled()`
`boolean`	`isTransforming()`
`void`	`keyPressed(KeyEvent ke)`
`void`	`keyReleased(KeyEvent ke)`
`void`	`keyTyped(KeyEvent ke)`
`void`	`mouseDragged(MouseEvent me)`
`void`	`mouseEntered(MouseEvent me)`
`void`	`mouseExited(MouseEvent me)`
`void`	`mouseMoved(MouseEvent me)`
`void`	`mousePressed(MouseEvent me)`
`void`	`mouseReleased(MouseEvent me)`
`void`	`mouseWheelMoved(MouseWheelEvent mwe)` Key/Mouse bindings like: - ij.gui.StackWindow: wheel to scroll slices (in this case Layers) - Inkscape: control+wheel to zoom (apple+wheel in macosx, since control+wheel zooms desktop)
`void`	`paint(Graphics g)`
`BufferedImage`	`paintOffscreen(Layer active_layer, int g_width, int g_height, Rectangle srcRect, double magnification, Displayable active, int c_alphas, Rectangle clipRect, Loader loader, HashMap<Color,Layer> hm, ArrayList<LayerPanel> blending_list, int mode, GraphicsSource graphics_source, boolean prepaint, ArrayList<Displayable> al_top)` Deprecated.
`BufferedImage`	`paintOffscreen(Layer active_layer, List<Layer> layers, ArrayList<Displayable> al_paint, Displayable active, int g_width, int g_height, int c_alphas, Loader loader, HashMap<Color,Layer> hm, ArrayList<LayerPanel> blending_list, int mode, GraphicsSource graphics_source, boolean prepaint, int first_non_patch)`
`BufferedImage`	`paintOffscreen(Layer active_layer, List<Layer> layers, int g_width, int g_height, Rectangle srcRect, double magnification, Displayable active, int c_alphas, Rectangle clipRect, Loader loader, HashMap<Color,Layer> hm, ArrayList<LayerPanel> blending_list, int mode, GraphicsSource graphics_source, boolean prepaint, ArrayList<Displayable> al_top, boolean preload)` This method uses data only from the arguments, and changes none.
`void`	`repaint()` Overridden to multithread.
`void`	`repaint(boolean update_graphics)` Repaint everything, updating offscreen graphics if so specified.
`void`	`repaint(Displayable d)` Repaint as much as the bounding box around the given Displayable.
`void`	`repaint(Displayable displ, int extra)` Repaint as much as the bounding box around the given Displayable plus the extra padding.
`void`	`repaint(Displayable displ, int extra, boolean update_graphics)`
`void`	`repaint(HashSet<Displayable> hs)` Repaint the clip corresponding to the sum of all boundingboxes of Displayable objects in the hashset.
`void`	`repaint(int x, int y, int width, int height)` Overridden to multithread.
`void`	`repaint(Rectangle r, int extra)` Repaint the given offscreen Rectangle after transforming its data on the fly to the srcRect and magnification of this DisplayCanvas.
`void`	`repaint(Rectangle box, int extra, boolean update_graphics)` Repaint the given Rectangle after transforming its data on the fly to the srcRect and magnification of this DisplayCanvas.
`protected void`	`scroll(int sx, int sy)`
`void`	`setCursor(int sx, int sy, int ox, int oy)` Sets the cursor based on the current tool and cursor location.
`void`	`setDimensions(double width, double height)` Does not repaint.
`void`	`setDrawingSize(int new_width, int new_height)`
`protected void`	`setInitialMagnification(double mag)` Used to constrain magnification so that only snapshots are used for painting when opening a new, large and filled Display.
`void`	`setMagnification(double mag)`
`void`	`setReceivesInput(boolean b)`
`protected void`	`setSrcRect(int x, int y, int width, int height)` Set the srcRect - used by the DisplayNavigator.
`void`	`setup(double mag, Rectangle srcRect)` Used for restoring properties from the database.
`void`	`setUpdateGraphics(boolean b)`
`void`	`showCentered(Rectangle r)` Center the srcRect around the given object(s) bounding box, zooming if necessary, so that the given r becomes a rectangle centered in the srcRect and zoomed out by a factor of 2.
`void`	`update(Graphics g)`
`void`	`waitForRepaint()`
`void`	`zoomIn()` Zoom in using the current mouse position, or the center if the mouse is out.
`void`	`zoomIn(int x, int y)` Overriding to repaint the DisplayNavigator as well.
`void`	`zoomOut()` Zoom out using the current mouse position, or the center if the mouse is out.
`void`	`zoomOut(int x, int y)` Overriding to repaint the DisplayNavigator as well.
`void`	`zoomToFit()`

Methods inherited from class ij.gui.ImageCanvas
canEnlarge, cursorOverImage, disablePopupMenu, fitToWindow, getCursorLoc, getCustomRoi, getDisplayList, getHigherZoomLevel, getImage, getLowerZoomLevel, getMagnification, getModifiers, getOverlay, getPaintPending, getPreferredSize, getScaleToFit, getShowAllColor, getShowAllList, getShowAllROIs, getSliceNumber, getSrcRect, handlePopupMenu, handleRoiMouseDown, hideZoomIndicator, mouseClicked, offScreenX, offScreenX2, offScreenXD, offScreenY, offScreenY2, offScreenYD, repaintOverlay, resetDoubleBuffer, roiManagerSelect, screenX, screenXD, screenY, screenYD, setCursor, setCustomRoi, setDisplayList, setDisplayList, setDisplayList, setDrawingColor, setImageUpdated, setOverlay, setPaintPending, setScaleToFit, setShowAllColor, setShowAllList, setShowAllROIs, setShowCursorStatus, setSize, setSourceRect, setupScroll, unzoom, zoom100Percent

Methods inherited from class java.awt.Canvas
addNotify, createBufferStrategy, createBufferStrategy, getAccessibleContext, getBufferStrategy

Methods inherited from class java.awt.Component
action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, deliverEvent, disable, disableEvents, dispatchEvent, doLayout, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getAlignmentX, getAlignmentY, getBackground, getBaseline, getBaselineResizeBehavior, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeys, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMaximumSize, getMinimumSize, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, invalidate, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusCycleRoot, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, paramString, postEvent, preferredSize, prepareImage, prepareImage, print, printAll, processComponentEvent, processEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, revalidate, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeys, setFocusTraversalKeysEnabled, setFont, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setMaximumSize, setMinimumSize, setName, setPreferredSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle, validate

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail
- DEFAULT_STROKE
```
protected static BasicStroke DEFAULT_STROKE
```
  Paints a handle on the offscreen x,y. Adapted from ij.gui.Roi class.
- DEFAULT_AFFINE
```
protected static AffineTransform DEFAULT_AFFINE
```
- last_popup
```
protected Point last_popup
```
  In world coordinates.

Constructor Detail

DisplayCanvas

public DisplayCanvas(Display display,
                     int width,
                     int height)

Method Detail

invalidateVolatile
```
protected void invalidateVolatile()
```

getDisplay
```
public Display getDisplay()
```

setInitialMagnification
```
protected void setInitialMagnification(double mag)
```
Used to constrain magnification so that only snapshots are used for painting when opening a new, large and filled Display.

setup

public void setup(double mag,
                  Rectangle srcRect)

Used for restoring properties from the database.

setDimensions

public void setDimensions(double width,
                          double height)

Does not repaint.

handlePopupMenu
```
public void handlePopupMenu()
```
Overriding to disable it.

update
```
public final void update(Graphics g)
```
Overrides:

update in class ImageCanvas

setMagnification
```
public void setMagnification(double mag)
```
Overrides:

setMagnification in class ImageCanvas

paint
```
public void paint(Graphics g)
```
Overrides:

paint in class ImageCanvas

waitForRepaint
```
public void waitForRepaint()
```

drawHandle

public static void drawHandle(Graphics g,
                              int x,
                              int y,
                              double magnification)

Paints a handle on the screen coords. Adapted from ij.gui.Roi class.

drawScreenHandle

public static void drawScreenHandle(Graphics g,
                                    int x,
                                    int y)

Paints a handle at x,y screen coords.

drawHandle

public static void drawHandle(Graphics2D g,
                              double x,
                              double y,
                              Rectangle srcRect,
                              double magnification)

consumeLastPopupPoint

protected Point consumeLastPopupPoint()

mousePressed
```
public void mousePressed(MouseEvent me)
```
Specified by:

mousePressed in interface MouseListener

Overrides:

mousePressed in class ImageCanvas

mouseDragged
```
public void mouseDragged(MouseEvent me)
```
Specified by:

mouseDragged in interface MouseMotionListener

Overrides:

mouseDragged in class ImageCanvas

mouseReleased
```
public void mouseReleased(MouseEvent me)
```
Specified by:

mouseReleased in interface MouseListener

Overrides:

mouseReleased in class ImageCanvas

mouseEntered
```
public void mouseEntered(MouseEvent me)
```
Specified by:

mouseEntered in interface MouseListener

Overrides:

mouseEntered in class ImageCanvas

mouseExited
```
public void mouseExited(MouseEvent me)
```
Specified by:

mouseExited in interface MouseListener

Overrides:

mouseExited in class ImageCanvas

setCursor

public void setCursor(int sx,
                      int sy,
                      int ox,
                      int oy)

Sets the cursor based on the current tool and cursor location.

Overrides:: setCursor in class ImageCanvas

setSrcRect

protected void setSrcRect(int x,
                          int y,
                          int width,
                          int height)

Set the srcRect - used by the DisplayNavigator.

setDrawingSize

public void setDrawingSize(int new_width,
                           int new_height)

Overrides:: setDrawingSize in class ImageCanvas

adjustDimensions
```
public void adjustDimensions()
```
Adjust srcRect and internal variables to the canvas' bounds.

adjustSrcRect

public void adjustSrcRect(int new_width,
                          int new_height)

Adjust srcRect to new dimensions.

getLowerZoomLevel2
```
protected double getLowerZoomLevel2(double currentMag)
```
Enable zooming out up to the point where the display becomes 10 pixels in width or height.

getHigherZoomLevel2

protected double getHigherZoomLevel2(double currentMag)

getDisplayablesUnderMouse
```
public List<Displayable> getDisplayablesUnderMouse()
```
See getDisplayablesUnderMouse(MouseEvent).

getDisplayablesUnderMouse
```
public List<Displayable> getDisplayablesUnderMouse(MouseEvent me)
```
Return the list of Displayable objects under the mouse, sorted by proper stack order.

isDragging
```
public boolean isDragging()
```

mouseMoved
```
public void mouseMoved(MouseEvent me)
```
Specified by:

mouseMoved in interface MouseMotionListener

Overrides:

mouseMoved in class ImageCanvas

zoomIn
```
public void zoomIn()
```
Zoom in using the current mouse position, or the center if the mouse is out.

zoomIn
```
public void zoomIn(int x,
                   int y)
```
Overriding to repaint the DisplayNavigator as well.

Overrides:

zoomIn in class ImageCanvas

zoomOut
```
public void zoomOut()
```
Zoom out using the current mouse position, or the center if the mouse is out.

zoomOut
```
public void zoomOut(int x,
                    int y)
```
Overriding to repaint the DisplayNavigator as well.

Overrides:

zoomOut in class ImageCanvas

showCentered
```
public void showCentered(Rectangle r)
```
Center the srcRect around the given object(s) bounding box, zooming if necessary, so that the given r becomes a rectangle centered in the srcRect and zoomed out by a factor of 2.

center
```
public void center(Rectangle r,
                   double magn)
```
Show the given r as the srcRect (or as much of it as possible) at the given magnification.

repaint
```
public void repaint(Displayable d)
```
Repaint as much as the bounding box around the given Displayable. If the Displayable is null, the entire canvas is repainted, remaking the offscreen images.

repaint
```
public void repaint(Displayable displ,
                    int extra)
```
Repaint as much as the bounding box around the given Displayable plus the extra padding. If the Displayable is null, the entire canvas is repainted, remaking the offscreen images.

repaint

public void repaint(Displayable displ,
                    int extra,
                    boolean update_graphics)

repaint
```
public void repaint(HashSet<Displayable> hs)
```
Repaint the clip corresponding to the sum of all boundingboxes of Displayable objects in the hashset.

repaint
```
public void repaint(Rectangle r,
                    int extra)
```
Repaint the given offscreen Rectangle after transforming its data on the fly to the srcRect and magnification of this DisplayCanvas. The Rectangle is not modified.

repaint
```
public void repaint(Rectangle box,
                    int extra,
                    boolean update_graphics)
```
Repaint the given Rectangle after transforming its data on the fly to the srcRect and magnification of this DisplayCanvas. The Rectangle is not modified.

Parameters:

box - The rectangle to repaint

extra - The extra outbound padding to add to the rectangle

update_graphics - Whether to recreate the offscreen images or not

repaint
```
public void repaint(boolean update_graphics)
```
Repaint everything, updating offscreen graphics if so specified.

repaint
```
public void repaint()
```
Overridden to multithread. This method is here basically to enable calls to the FakeImagePlus.draw from the HAND and other tools to repaint properly.

Overrides:

repaint in class Component

repaint

public void repaint(int x,
                    int y,
                    int width,
                    int height)

Overridden to multithread.

Overrides:: repaint in class Component

setUpdateGraphics

public void setUpdateGraphics(boolean b)

flush
```
public void flush()
```
Release offscreen images and stop threads.

destroy
```
public void destroy()
```

applyTransform
```
public boolean applyTransform()
```

isTransforming
```
public boolean isTransforming()
```

cancelTransform
```
public void cancelTransform()
```

keyPressed
```
public void keyPressed(KeyEvent ke)
```
Specified by:

keyPressed in interface KeyListener

keyTyped
```
public void keyTyped(KeyEvent ke)
```
Specified by:

keyTyped in interface KeyListener

keyReleased
```
public void keyReleased(KeyEvent ke)
```
Specified by:

keyReleased in interface KeyListener

zoomToFit
```
public void zoomToFit()
```

setReceivesInput

public void setReceivesInput(boolean b)

isInputEnabled
```
public boolean isInputEnabled()
```

getFakeImagePlus
```
public ij.ImagePlus getFakeImagePlus()
```
CAREFUL: the ImageProcessor of the returned ImagePlus is fake, that is, a 4x4 byte array; but the dimensions that it returns are those of the host LayerSet. Used to retrieve ROIs for example.

mouseWheelMoved
```
public void mouseWheelMoved(MouseWheelEvent mwe)
```
Key/Mouse bindings like: - ij.gui.StackWindow: wheel to scroll slices (in this case Layers) - Inkscape: control+wheel to zoom (apple+wheel in macosx, since control+wheel zooms desktop)

Specified by:

mouseWheelMoved in interface MouseWheelListener

paintOffscreen

@Deprecated
public BufferedImage paintOffscreen(Layer active_layer,
                                                int g_width,
                                                int g_height,
                                                Rectangle srcRect,
                                                double magnification,
                                                Displayable active,
                                                int c_alphas,
                                                Rectangle clipRect,
                                                Loader loader,
                                                HashMap<Color,Layer> hm,
                                                ArrayList<LayerPanel> blending_list,
                                                int mode,
                                                GraphicsSource graphics_source,
                                                boolean prepaint,
                                                ArrayList<Displayable> al_top)

Deprecated.

paintOffscreen

public BufferedImage paintOffscreen(Layer active_layer,
                                    List<Layer> layers,
                                    int g_width,
                                    int g_height,
                                    Rectangle srcRect,
                                    double magnification,
                                    Displayable active,
                                    int c_alphas,
                                    Rectangle clipRect,
                                    Loader loader,
                                    HashMap<Color,Layer> hm,
                                    ArrayList<LayerPanel> blending_list,
                                    int mode,
                                    GraphicsSource graphics_source,
                                    boolean prepaint,
                                    ArrayList<Displayable> al_top,
                                    boolean preload)

This method uses data only from the arguments, and changes none. Will fill @param al_top with proper Displayable objects, or none when none are selected.

paintOffscreen

public BufferedImage paintOffscreen(Layer active_layer,
                                    List<Layer> layers,
                                    ArrayList<Displayable> al_paint,
                                    Displayable active,
                                    int g_width,
                                    int g_height,
                                    int c_alphas,
                                    Loader loader,
                                    HashMap<Color,Layer> hm,
                                    ArrayList<LayerPanel> blending_list,
                                    int mode,
                                    GraphicsSource graphics_source,
                                    boolean prepaint,
                                    int first_non_patch)

scroll

protected void scroll(int sx,
                      int sy)

Overrides:: scroll in class ImageCanvas

animateBrowsing

protected void animateBrowsing(int dx,
                               int dy)

Smoothly move the canvas from x0,y0,layer0 to x1,y1,layer1

animateBrowsing
```
public boolean animateBrowsing(Rectangle target_,
                               Layer target_layer)
```
Smoothly move the canvas from its current position until the given rectangle is included within the srcRect. If the given rectangle is larger than the srcRect, it will refuse to work (for now).

Class DisplayCanvas

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.Canvas

Nested classes/interfaces inherited from class java.awt.Component

Field Summary

Fields inherited from class ij.gui.ImageCanvas

Fields inherited from class java.awt.Component

Fields inherited from interface java.awt.image.ImageObserver

Constructor Summary

Method Summary

Methods inherited from class ij.gui.ImageCanvas

Methods inherited from class java.awt.Canvas

Methods inherited from class java.awt.Component

Methods inherited from class java.lang.Object

Field Detail

DEFAULT_STROKE

DEFAULT_AFFINE

last_popup

Constructor Detail

DisplayCanvas

Method Detail

invalidateVolatile

getDisplay

setInitialMagnification

setup

setDimensions

handlePopupMenu

update

setMagnification

paint

waitForRepaint

drawHandle

drawScreenHandle

drawHandle

consumeLastPopupPoint

mousePressed

mouseDragged

mouseReleased

mouseEntered

mouseExited

setCursor

setSrcRect

setDrawingSize

adjustDimensions

adjustSrcRect

getLowerZoomLevel2

getHigherZoomLevel2

getDisplayablesUnderMouse

getDisplayablesUnderMouse

isDragging

mouseMoved

zoomIn

zoomIn

zoomOut

zoomOut

showCentered

center

repaint

repaint

repaint

repaint

repaint

repaint

repaint

repaint

repaint

setUpdateGraphics

flush

destroy

applyTransform

isTransforming

cancelTransform

keyPressed

keyTyped

keyReleased

zoomToFit

setReceivesInput

isInputEnabled

getFakeImagePlus

mouseWheelMoved