Package org.eclipse.swt.opengl
Class GLCanvas
- All Implemented Interfaces:
Drawable
GLCanvas is a widget capable of displaying OpenGL content.
- Since:
- 3.2
- See Also:
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Field Summary
Fields inherited from class org.eclipse.swt.widgets.Widget
nativeZoom
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionReturns a GLData object describing the created context.boolean
Returns a boolean indicating whether the receiver's OpenGL context is the current context.void
Sets the OpenGL context associated with this GLCanvas to be the current GL context.void
Swaps the front and back color buffers.Methods inherited from class org.eclipse.swt.widgets.Canvas
drawBackground, getCaret, getIME, scroll, setCaret, setFont, setIME
Methods inherited from class org.eclipse.swt.widgets.Composite
changed, checkSubclass, drawBackground, getBackgroundMode, getChildren, getLayout, getLayoutDeferred, getTabList, isLayoutDeferred, layout, layout, layout, layout, layout, setBackgroundMode, setFocus, setLayout, setLayoutDeferred, setTabList, toString
Methods inherited from class org.eclipse.swt.widgets.Scrollable
computeTrim, getClientArea, getHorizontalBar, getScrollbarsMode, getVerticalBar, setScrollbarsMode
Methods inherited from class org.eclipse.swt.widgets.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 org.eclipse.swt.widgets.Widget
addDisposeListener, addListener, addTypedListener, checkWidget, dispose, getData, getData, getDisplay, getListeners, getStyle, getTypedListeners, isAutoDirection, isDisposed, isListening, notifyListeners, removeDisposeListener, removeListener, removeListener, removeTypedListener, reskin, setData, setData
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
Methods inherited from interface org.eclipse.swt.graphics.Drawable
isAutoScalable
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Constructor Details
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GLCanvas
Create a GLCanvas widget using the attributes described in the GLData object provided.- Parameters:
parent
- a composite widgetstyle
- the bitwise OR'ing of widget stylesdata
- 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
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Method Details
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getGLData
Returns a GLData object describing the created context.- Returns:
- GLData description of the OpenGL context attributes
- Throws:
SWTException
-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
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isCurrent
public boolean isCurrent()Returns a boolean indicating whether the receiver's OpenGL context is the current context.- Returns:
- true if the receiver holds the current OpenGL context, false otherwise
- Throws:
SWTException
-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
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setCurrent
public void setCurrent()Sets the OpenGL context associated with this GLCanvas to be the current GL context.- Throws:
SWTException
-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
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swapBuffers
public void swapBuffers()Swaps the front and back color buffers.- Throws:
SWTException
-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
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