Package com.iizigo.image
Class SingleImageControl
java.lang.Object
org.eclipse.swt.widgets.Widget
org.eclipse.swt.widgets.Control
org.eclipse.swt.widgets.Scrollable
org.eclipse.swt.widgets.Composite
com.iizigo.image.SingleImageControl
- All Implemented Interfaces:
IImageInfoChanged,IZoomCapable,EventListener,DisposeListener,PaintListener,Drawable,SWTEventListener
public class SingleImageControl extends Composite implements DisposeListener, IImageInfoChanged, PaintListener, IZoomCapable
The image control that can show the zoom level.
- Author:
- Christopher Mindus
Field Summary
Constructor Summary
ConstructorsConstructorDescriptionSingleImageControl(Composite parent, int style, int zoom, AssetReference ref, ILayoutListener layout) Creates the image control with a zoom level.SingleImageControl(Composite parent, int style, int zoom, AssetReference ref, ILayoutListener layout, Rectangle rect) Creates the image control with a zoom level.SingleImageControl(Composite parent, int style, ImageInfo imageInfo, Rectangle rect) Creates the image control from a file with zoom 1.SingleImageControl(Composite parent, int style, IFile file, Rectangle rect) Creates the image control from a file with zoom 1.Method Summary
Modifier and TypeMethodDescriptioncomputeSize(int wHint, int hHint, boolean changed) Computes the size.voidCalled to inform that new data is available in the instance of ImageInfo.voidPaints the canvas foreground.voidscaleToMax(int mcx, int mcy) Scales down the image to a maximum size.voidsetZoom(double zoom) Sets the zoom level (1-10).voidWidget is disposed.Methods inherited from class org.eclipse.swt.widgets.Composite
changed, checkSubclass, drawBackground, getBackgroundMode, getChildren, getLayout, getLayoutDeferred, getTabList, isLayoutDeferred, layout, layout, layout, layout, layout, redraw, setBackgroundMode, setFocus, setLayout, setLayoutDeferred, setTabList, toStringMethods inherited from class org.eclipse.swt.widgets.Scrollable
computeTrim, getClientArea, getHorizontalBar, getScrollbarsMode, getVerticalBar, setScrollbarsModeMethods inherited from class org.eclipse.swt.widgets.Control
addControlListener, addDragDetectListener, addFocusListener, addGestureListener, addHelpListener, addKeyListener, addMenuDetectListener, addMouseListener, addMouseMoveListener, addMouseTrackListener, addMouseWheelListener, addPaintListener, addTouchListener, addTraverseListener, 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, removeControlListener, removeDragDetectListener, removeFocusListener, removeGestureListener, removeHelpListener, removeKeyListener, removeMenuDetectListener, removeMouseListener, removeMouseMoveListener, removeMouseTrackListener, removeMouseWheelListener, removePaintListener, removeTouchListener, removeTraverseListener, requestLayout, setBackground, setBackgroundImage, setBounds, setBounds, setCapture, setCursor, setDragDetect, setEnabled, setFont, setForeground, setLayoutData, setLocation, setLocation, setMenu, setOrientation, setParent, setRedraw, setRegion, setSize, setSize, setTextDirection, setToolTipText, setTouchEnabled, setVisible, toControl, toControl, toDisplay, toDisplay, traverse, traverse, traverse, updateMethods 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, setDataMethods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, waitMethods inherited from interface org.eclipse.swt.graphics.Drawable
isAutoScalable
Constructor Details
SingleImageControl
Creates the image control from a file with zoom 1.- Parameters:
parent- Parent composite.style- The control style SWT.*.file- File.rect- Partial rectangle when not null.
SingleImageControl
Creates the image control from a file with zoom 1.- Parameters:
parent- Parent composite.style- The control style SWT.*.imageInfo- ImageInfo for image, will be released when control is disposed of.rect- Partial rectangle when not null.
SingleImageControl
public SingleImageControl(Composite parent, int style, int zoom, AssetReference ref, ILayoutListener layout) Creates the image control with a zoom level.SingleImageControl
public SingleImageControl(Composite parent, int style, int zoom, AssetReference ref, ILayoutListener layout, Rectangle rect) Creates the image control with a zoom level.
Method Details
onChanged
Called to inform that new data is available in the instance of ImageInfo.- Specified by:
onChangedin interfaceIImageInfoChanged
setZoom
public void setZoom(double zoom) Sets the zoom level (1-10).- Specified by:
setZoomin interfaceIZoomCapable
scaleToMax
public void scaleToMax(int mcx, int mcy) Scales down the image to a maximum size. An appropriate zoom factor is calculated.widgetDisposed
Widget is disposed.- Specified by:
widgetDisposedin interfaceDisposeListener
computeSize
Computes the size.- Overrides:
computeSizein classComposite
paintControl
Paints the canvas foreground.- Specified by:
paintControlin interfacePaintListener