Package cn.mapway.ui.client.widget.color

Class ColorCanvas

java.lang.Object
com.google.gwt.user.client.ui.UIObject
com.google.gwt.user.client.ui.Widget
com.google.gwt.user.client.ui.FocusWidget
cn.mapway.ui.client.widget.canvas.CanvasWidget
cn.mapway.ui.client.widget.color.ColorCanvas
All Implemented Interfaces:
HasCommonHandlers, com.google.gwt.animation.client.AnimationScheduler.AnimationCallback, com.google.gwt.event.dom.client.HasAllDragAndDropHandlers, com.google.gwt.event.dom.client.HasAllFocusHandlers, com.google.gwt.event.dom.client.HasAllGestureHandlers, com.google.gwt.event.dom.client.HasAllKeyHandlers, com.google.gwt.event.dom.client.HasAllMouseHandlers, com.google.gwt.event.dom.client.HasAllTouchHandlers, com.google.gwt.event.dom.client.HasBlurHandlers, com.google.gwt.event.dom.client.HasClickHandlers, com.google.gwt.event.dom.client.HasDoubleClickHandlers, com.google.gwt.event.dom.client.HasDragEndHandlers, com.google.gwt.event.dom.client.HasDragEnterHandlers, com.google.gwt.event.dom.client.HasDragHandlers, com.google.gwt.event.dom.client.HasDragLeaveHandlers, com.google.gwt.event.dom.client.HasDragOverHandlers, com.google.gwt.event.dom.client.HasDragStartHandlers, com.google.gwt.event.dom.client.HasDropHandlers, com.google.gwt.event.dom.client.HasFocusHandlers, com.google.gwt.event.dom.client.HasGestureChangeHandlers, com.google.gwt.event.dom.client.HasGestureEndHandlers, com.google.gwt.event.dom.client.HasGestureStartHandlers, com.google.gwt.event.dom.client.HasKeyDownHandlers, com.google.gwt.event.dom.client.HasKeyPressHandlers, com.google.gwt.event.dom.client.HasKeyUpHandlers, com.google.gwt.event.dom.client.HasMouseDownHandlers, com.google.gwt.event.dom.client.HasMouseMoveHandlers, com.google.gwt.event.dom.client.HasMouseOutHandlers, com.google.gwt.event.dom.client.HasMouseOverHandlers, com.google.gwt.event.dom.client.HasMouseUpHandlers, com.google.gwt.event.dom.client.HasMouseWheelHandlers, com.google.gwt.event.dom.client.HasTouchCancelHandlers, com.google.gwt.event.dom.client.HasTouchEndHandlers, com.google.gwt.event.dom.client.HasTouchMoveHandlers, com.google.gwt.event.dom.client.HasTouchStartHandlers, com.google.gwt.event.logical.shared.HasAttachHandlers, com.google.gwt.event.shared.HasHandlers, com.google.gwt.user.client.EventListener, com.google.gwt.user.client.ui.Focusable, com.google.gwt.user.client.ui.HasEnabled, com.google.gwt.user.client.ui.HasFocus, com.google.gwt.user.client.ui.HasVisibility, com.google.gwt.user.client.ui.IsWidget, com.google.gwt.user.client.ui.RequiresResize, com.google.gwt.user.client.ui.SourcesClickEvents, com.google.gwt.user.client.ui.SourcesFocusEvents, com.google.gwt.user.client.ui.SourcesKeyboardEvents, com.google.gwt.user.client.ui.SourcesMouseEvents
public class ColorCanvas extends CanvasWidget implements com.google.gwt.user.client.ui.RequiresResize, HasCommonHandlers
ColorCanvas
Author:
zhang

  • Nested Class Summary

    Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject

    com.google.gwt.user.client.ui.UIObject.DebugIdImpl, com.google.gwt.user.client.ui.UIObject.DebugIdImplEnabled

  • Field Summary

    Fields inherited from class com.google.gwt.user.client.ui.UIObject

    DEBUG_ID_PREFIX

  • Constructor Summary

    Constructors
    Constructor
    Description
    ColorCanvas()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    com.google.gwt.event.shared.HandlerRegistration
    addCommonHandler(CommonEventHandler handler)
     
    void
    draw(double hue, boolean fireEvent)
    根据 HUE值 画出一个 面板 [saturation,value]
    ColorData
    getColor()
     
    protected void
    onDraw(double timestamp)
    需要绘制画布
    void
    onResize()
     
    void
    setColor(ColorData colorData)
     

    Methods inherited from class cn.mapway.ui.client.widget.canvas.CanvasWidget

    execute, getCanvasElement, getContext, getContext2d, getCoordinateSpaceHeight, getCoordinateSpaceWidth, getDpr, getSpaceSize, onLoad, onUnload, redraw, resizeWindow, setContinueDraw, setCoordinateSpaceHeight, setCoordinateSpaceWidth, setPixelSize, toDataUrl, toDataUrl, wrap

    Methods inherited from class com.google.gwt.user.client.ui.FocusWidget

    addBlurHandler, addClickHandler, addClickListener, addDoubleClickHandler, addDragEndHandler, addDragEnterHandler, addDragHandler, addDragLeaveHandler, addDragOverHandler, addDragStartHandler, addDropHandler, addFocusHandler, addFocusListener, addGestureChangeHandler, addGestureEndHandler, addGestureStartHandler, addKeyboardListener, addKeyDownHandler, addKeyPressHandler, addKeyUpHandler, addMouseDownHandler, addMouseListener, addMouseMoveHandler, addMouseOutHandler, addMouseOverHandler, addMouseUpHandler, addMouseWheelHandler, addMouseWheelListener, addTouchCancelHandler, addTouchEndHandler, addTouchMoveHandler, addTouchStartHandler, getFocusImpl, getTabIndex, isEnabled, onAttach, removeClickListener, removeFocusListener, removeKeyboardListener, removeMouseListener, removeMouseWheelListener, setAccessKey, setEnabled, setFocus, setTabIndex

    Methods inherited from class com.google.gwt.user.client.ui.Widget

    addAttachHandler, addBitlessDomHandler, addDomHandler, addHandler, asWidget, asWidgetOrNull, createHandlerManager, delegateEvent, doAttachChildren, doDetachChildren, fireEvent, getHandlerCount, getLayoutData, getParent, isAttached, isOrWasAttached, onBrowserEvent, onDetach, removeFromParent, setLayoutData, sinkEvents, unsinkEvents

    Methods inherited from class com.google.gwt.user.client.ui.UIObject

    addStyleDependentName, addStyleName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, getTitle, isVisible, isVisible, onEnsureDebugId, removeStyleDependentName, removeStyleName, resolvePotentialElement, setElement, setElement, setHeight, setSize, setStyleDependentName, setStyleName, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, setWidth, sinkBitlessEvent, toString

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface com.google.gwt.event.shared.HasHandlers

    fireEvent

  • Constructor Details

    • ColorCanvas

      public ColorCanvas()

  • Method Details

    • getColor

      public ColorData getColor()

    • setColor

      public void setColor(ColorData colorData)

    • draw

      public void draw(double hue, boolean fireEvent)
      根据 HUE值 画出一个 面板 [saturation,value]
      Parameters:
      hue -

    • onDraw

      protected void onDraw(double timestamp)
      Description copied from class: CanvasWidget
      需要绘制画布
      Overrides:
      onDraw in class CanvasWidget

    • onResize

      public void onResize()
      Specified by:
      onResize in interface com.google.gwt.user.client.ui.RequiresResize

    • addCommonHandler

      public com.google.gwt.event.shared.HandlerRegistration addCommonHandler(CommonEventHandler handler)
      Specified by:
      addCommonHandler in interface HasCommonHandlers