Package snap.styler

Class GradientStopPicker

java.lang.Object

snap.props.PropObject

snap.view.View

snap.view.ParentView

snap.styler.GradientStopPicker

All Implemented Interfaces:

PropChange.DoChange, XMLArchiver.Archivable

public class GradientStopPicker
extends ParentView

A multi-stop gradient stop inspector.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	KNOB_BASELINE
static final int	KNOB_HEIGHT
static final int	KNOB_WIDTH
static final int	WELL_SIZE

Fields inherited from class snap.view.ParentView

_children, Child_Prop, NeedsLayout_Prop

Fields inherited from class snap.view.View

_align, _borderRadius, _effect, _font, _margin, _padding, _repaintRect, _showing, _spacing, _vertical, Action, Align_Prop, Border_Prop, BorderRadius_Prop, Clip_Prop, Cursor_Prop, DEFAULT_ALIGN, DEFAULT_MARGIN, DEFAULT_PADDING, DEFAULT_SPACING, Disabled_Prop, DragEvents, Effect_Prop, Fill_Prop, Focusable_Prop, Focused_Prop, FocusWhenPressed_Prop, Font_Prop, GrowHeight_Prop, GrowWidth_Prop, Height_Prop, KeyEvents, KeyPress, KeyRelease, KeyType, LeanX_Prop, LeanY_Prop, Margin_Prop, MaxHeight_Prop, MaxWidth_Prop, MinHeight_Prop, MinWidth_Prop, MouseDrag, MouseEnter, MouseEvents, MouseExit, MouseMove, MousePress, MouseRelease, Name_Prop, Opacity_Prop, Padding_Prop, Paintable_Prop, Parent_Prop, Pickable_Prop, PrefHeight_Prop, PrefWidth_Prop, Rotate_Prop, ScaleX_Prop, ScaleY_Prop, Scroll, Showing_Prop, Spacing_Prop, Text_Prop, ToolTip_Prop, TransX_Prop, TransY_Prop, Vertical_Prop, Visible_Prop, Width_Prop, X_Prop, Y_Prop

Fields inherited from class snap.props.PropObject

_pcs, EMPTY_OBJECT

Constructor Summary

Constructors

Constructor	Description
GradientStopPicker()	Creates new GradientStopPicker.

Method Summary

Modifier and Type	Method	Description
int	addStop(double anOffset, Color aColor)	Adds a new color stop at the given position.
int	addStop(Point pt, Color aColor)	Create an explicit stop at the corresponding gradient position.
void	adjustColorStop(int index, Point pt)	Move the selected stop to the new position.
void	deleteColorStop()	Called when a ColorStop is deleted.
int	getKnobIndex(Point pt)
protected double	getPrefHeightImpl(double aW)	Returns the preferred height.
protected double	getPrefWidthImpl(double aH)	Returns the preferred width.
GradientPaint.Stop	getStop(int anIndex)	Returns the individual color stop at given index.
Color	getStopColor(int index)	Returns the color of the stop at the given index.
int	getStopCount()	Returns the number of color stops in the gradient
double	getStopOffset(int index)	Returns the position (in the range {0-1}) for the given stop index.
double	getStopOffset(Point pt)	Given a mouse point within gradient rectangle, returns corresponding position in gradient (0 at left of gradient, 1 at right).
GradientPaint.Stop[]	getStops()	Returns the list of color stops.
protected void	layoutImpl()	Override to reset knobs and such.
protected void	paintFront(Painter aPntr)	Paint Component.
protected void	processEvent(ViewEvent anEvent)	Handle events.
void	removeStop(int index)	Removes the stop at the given index.
void	reverseStops()	Reverse the order of the color stops
void	selectStop(int anIndex)
void	setStop(int index, double anOffset, Color aColor)	Sets the color & position of the stop at the given index.
void	setStops(GradientPaint.Stop[] theStops)	Resets all the stops from the new list.

Methods inherited from class snap.view.ParentView

addChild, addChild, addDeepChangeListener, childDidDeepChange, childDidPropChange, fromXML, fromXMLChildren, fromXMLView, getChild, getChildAt, getChildAt, getChildCount, getChildCountManaged, getChildForClass, getChildForName, getChildLast, getChildren, getChildrenForClass, getChildrenManaged, getFocusNext, getFocusPrev, getPropValue, getViewList, getViewProxy, indexOfChild, initProps, intersects, isInLayout, isNeedsLayout, isNeedsLayoutDeep, isNeedsRepaintDeep, layout, layoutDeep, layoutDeepImpl, layoutFloatingViews, paintAbove, paintAll, paintChildren, parentFontChanged, processPropChange, relayout, removeChild, removeChild, removeChildren, removeDeepChangeListener, setChildren, setFont, setNeedsLayout, setNeedsLayoutDeep, setNeedsRepaintDeep, setOwner, setOwnerChildren, setPropValue, setShowing, themeChanged, toXML, toXMLChildren, toXMLView

Methods inherited from class snap.view.View

addBinding, addEventFilter, addEventHandler, clone, contains, contains, contains, disableEvents, dispatchEventToView, enableEvents, fireActionEvent, getAlign, getAlignX, getAlignY, getAnim, getAnimCleared, getAnimTimeDeep, getBestHeight, getBestSize, getBestWidth, getBinding, getBinding, getBindingCount, getBindings, getBorder, getBorderRadius, getBounds, getBoundsLocal, getBoundsParent, getBoundsShape, getBoundsShapeParent, getClip, getClipAll, getClipAllBounds, getClipBounds, getClippedRect, getCursor, getDefaultBorder, getDefaultFill, getDefaultFont, getEffect, getEnv, getEventAdapter, getFill, getFillColor, getFocusNext, getFocusPrev, getFont, getHeight, getHost, getInsetsAll, getLean, getLeanX, getLeanY, getLocalToParent, getLocalToParent, getMargin, getMaxHeight, getMaxSize, getMaxWidth, getMaxX, getMaxY, getMidX, getMidY, getMinHeight, getMinHeightImpl, getMinSize, getMinWidth, getMinWidthImpl, getName, getOpacity, getOpacityAll, getOwner, getOwner, getPadding, getParent, getParent, getParentCount, getParentToLocal, getParentToLocal, getPhysics, getPhysics, getPrefHeight, getPrefHeight, getPrefSize, getPrefWidth, getPrefWidth, getProp, getPropDefault, getProps, getRealClassName, getRepaintRect, getRepaintRectExpanded, getRootView, getRotate, getScale, getScaleX, getScaleY, getSize, getSpacing, getText, getToolTip, getToolTip, getTransX, getTransY, getUpdater, getValuePropName, getVisRect, getWidth, getWindow, getX, getXY, getY, indexInHost, indexInParent, isActionable, isAncestor, isClipToBounds, isDisabled, isEnabled, isFocusable, isFocused, isFocusKeysEnabled, isFocusPainted, isFocusWhenPressed, isFontSet, isGrowHeight, isGrowWidth, isGuest, isHorizontal, isLocalToParentSimple, isManaged, isManagedVisible, isMaxHeightSet, isMaxWidthSet, isMinHeightSet, isMinWidthSet, isMouseDown, isMouseOver, isNeedsRepaint, isPaintable, isPickable, isPickableVisible, isPrefHeightSet, isPrefWidthSet, isShowing, isToolTipEnabled, isVertical, isVisible, localToParent, localToParent, localToParent, localToParent, localToScreen, paintBack, parentToLocal, parentToLocal, parentToLocal, parentToLocal, playAnimDeep, processEventFilters, processEventHandlers, relayoutParent, removeBinding, removeBinding, removeEventFilter, removeEventHandler, repaint, repaint, repaint, repaintInParent, requestFocus, scrollToVisible, setActionable, setAlign, setAlignX, setAlignY, setAnimTimeDeep, setBorder, setBorder, setBorderRadius, setBounds, setBounds, setBoundsLocal, setClip, setClipToBounds, setCursor, setDisabled, setEffect, setEnabled, setFill, setFocusable, setFocused, setFocusKeysEnabled, setFocusPainted, setFocusWhenPressed, setGrowHeight, setGrowWidth, setHeight, setLean, setLeanX, setLeanY, setManaged, setMargin, setMargin, setMaxHeight, setMaxSize, setMaxSize, setMaxWidth, setMinHeight, setMinSize, setMinSize, setMinWidth, setName, setOpacity, setPadding, setPadding, setPaintable, setParent, setPickable, setPrefHeight, setPrefSize, setPrefSize, setPrefWidth, setProp, setRealClassName, setRotate, setScale, setScaleX, setScaleY, setSize, setSize, setSizeLocal, setSizeToPrefSize, setSpacing, setText, setToolTip, setToolTipEnabled, setTransX, setTransY, setVertical, setVisible, setWidth, setX, setXY, setXYLocal, setY, stopAnimDeep, toStringProps

Methods inherited from class snap.props.PropObject

addPropChangeListener, addPropChangeListener, firePropChange, firePropChange, firePropChange, getPropForName, getPropParent, getPropSet, getPropsForArchival, getPropsForArchivalExtra, isPropDefault, removePropChangeListener, removePropChangeListener, toString

Methods inherited from class java.lang.Object

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

Field Details

WELL_SIZE

public static final int WELL_SIZE

See Also:

• Constant Field Values

KNOB_WIDTH

public static final int KNOB_WIDTH

See Also:

• Constant Field Values

KNOB_HEIGHT

public static final int KNOB_HEIGHT

See Also:

• Constant Field Values

KNOB_BASELINE

public static final int KNOB_BASELINE

See Also:

• Constant Field Values

Constructor Details

GradientStopPicker

public GradientStopPicker()

Creates new GradientStopPicker.

Method Details

getStopCount

public int getStopCount()

Returns the number of color stops in the gradient

getStop

public GradientPaint.Stop getStop(int anIndex)

Returns the individual color stop at given index.

getStopColor

public Color getStopColor(int index)

Returns the color of the stop at the given index.

getStopOffset

public double getStopOffset(int index)

Returns the position (in the range {0-1}) for the given stop index.

getStops

public GradientPaint.Stop[] getStops()

Returns the list of color stops.

setStops

public void setStops(GradientPaint.Stop[] theStops)

Resets all the stops from the new list.

addStop

public int addStop(double anOffset,
 Color aColor)

Adds a new color stop at the given position. Returns the index of the new stop.

removeStop

public void removeStop(int index)

Removes the stop at the given index.

setStop

public void setStop(int index,
 double anOffset,
 Color aColor)

Sets the color & position of the stop at the given index.

addStop

public int addStop(Point pt,
 Color aColor)

Create an explicit stop at the corresponding gradient position.

deleteColorStop

public void deleteColorStop()

Called when a ColorStop is deleted.

reverseStops

public void reverseStops()

Reverse the order of the color stops

getKnobIndex

public int getKnobIndex(Point pt)

selectStop

public void selectStop(int anIndex)

getStopOffset

public double getStopOffset(Point pt)

Given a mouse point within gradient rectangle, returns corresponding position in gradient (0 at left of gradient, 1 at right).

adjustColorStop

public void adjustColorStop(int index,
 Point pt)

Move the selected stop to the new position.

paintFront

protected void paintFront(Painter aPntr)

Paint Component.

Overrides:

paintFront in class View

processEvent

protected void processEvent(ViewEvent anEvent)

Handle events.

Overrides:

processEvent in class View

getPrefWidthImpl

protected double getPrefWidthImpl(double aH)

Returns the preferred width.

Overrides:

getPrefWidthImpl in class View

getPrefHeightImpl

protected double getPrefHeightImpl(double aW)

Returns the preferred height.

Overrides:

getPrefHeightImpl in class View

layoutImpl

protected void layoutImpl()

Override to reset knobs and such.

Overrides:

layoutImpl in class ParentView