Class GLCanvas

java.lang.Object

org.eclipse.swt.widgets.Widget

org.eclipse.swt.widgets.Control

org.eclipse.swt.widgets.Scrollable

org.eclipse.swt.widgets.Composite

org.eclipse.swt.widgets.Canvas

org.eclipse.swt.opengl.GLCanvas

All Implemented Interfaces:

Drawable

public class GLCanvas
extends Canvas

GLCanvas is a widget capable of displaying OpenGL content.

Since:

3.2

See Also:

• GLData
• OpenGL snippets
• Sample code and further information

Field Summary

Fields inherited from class Control

handle

Constructor Summary

Constructors

Constructor	Description
GLCanvas(Composite parent, int style, GLData data)	Create a GLCanvas widget using the attributes described in the GLData object provided.

Method Summary

Modifier and Type	Method	Description
GLData	getGLData()	Returns a GLData object describing the created context.
boolean	isCurrent()	Returns a boolean indicating whether the receiver's OpenGL context is the current context.
void	setCurrent()	Sets the OpenGL context associated with this GLCanvas to be the current GL context.
void	swapBuffers()	Swaps the front and back color buffers.

Methods inherited from class Canvas

drawBackground, getCaret, getIME, scroll, setCaret, setFont, setIME

Methods inherited from class Composite

changed, checkSubclass, drawBackground, getBackgroundMode, getChildren, getLayout, getLayoutDeferred, getTabList, isLayoutDeferred, layout, layout, layout, layout, layout, setBackgroundMode, setFocus, setLayout, setLayoutDeferred, setTabList

Methods inherited from class Scrollable

computeTrim, getClientArea, getHorizontalBar, getScrollbarsMode, getVerticalBar

Methods inherited from class Control

addControlListener, addDragDetectListener, addFocusListener, addGestureListener, addHelpListener, addKeyListener, addMenuDetectListener, addMouseListener, addMouseMoveListener, addMouseTrackListener, addMouseWheelListener, addPaintListener, addTouchListener, addTraverseListener, computeSize, computeSize, dragDetect, dragDetect, forceFocus, getAccessible, getBackground, getBackgroundImage, getBorderWidth, getBounds, getCursor, getDragDetect, getEnabled, getFont, getForeground, getLayoutData, getLocation, getMenu, getMonitor, getOrientation, getParent, getRegion, getShell, getSize, getTextDirection, getToolTipText, getTouchEnabled, getVisible, internal_dispose_GC, internal_new_GC, isEnabled, isFocusControl, isReparentable, isVisible, moveAbove, moveBelow, pack, pack, print, redraw, redraw, removeControlListener, removeDragDetectListener, removeFocusListener, removeGestureListener, removeHelpListener, removeKeyListener, removeMenuDetectListener, removeMouseListener, removeMouseMoveListener, removeMouseTrackListener, removeMouseWheelListener, removePaintListener, removeTouchListener, removeTraverseListener, requestLayout, setBackground, setBackgroundImage, setBounds, setBounds, setCapture, setCursor, setDragDetect, setEnabled, setForeground, setLayoutData, setLocation, setLocation, setMenu, setOrientation, setParent, setRedraw, setRegion, setSize, setSize, setTextDirection, setToolTipText, setTouchEnabled, setVisible, toControl, toControl, toDisplay, toDisplay, traverse, traverse, traverse, update

Methods inherited from class Widget

addDisposeListener, addListener, checkWidget, dispose, getData, getData, getDisplay, getListeners, getStyle, isAutoDirection, isDisposed, isListening, notifyListeners, removeDisposeListener, removeListener, removeListener, reskin, setData, setData, toString

Methods inherited from class Object

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

Methods inherited from interface Drawable

isAutoScalable

Constructor Details

GLCanvas

public GLCanvas(Composite parent,
 int style,
 GLData data)

Create a GLCanvas widget using the attributes described in the GLData object provided.

Parameters:

parent - a composite widget

style - the bitwise OR'ing of widget styles

data - the requested attributes of the GLCanvas

Throws:

IllegalArgumentException -

• ERROR_NULL_ARGUMENT when the data is null
• ERROR_UNSUPPORTED_DEPTH when the requested attributes cannot be provided