org.vishia.gral.widget

Class GralCanvasArea

java.lang.Object

org.vishia.gral.base.GralWidgetBase

org.vishia.gral.base.GralWidget

org.vishia.gral.widget.GralCanvasArea

All Implemented Interfaces:

GetGralWidget_ifc, GralSetValue_ifc, GralWidget_ifc, GralWidgetBase_ifc

public class GralCanvasArea
extends GralWidget

A widget which is a canvas to draw something.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	GralCanvasArea._GraphicImplAccess_ This class contains the access to the GralWidget class.
class	GralCanvasArea.UserUnits

Nested classes/interfaces inherited from class org.vishia.gral.base.GralWidget

GralWidget.ActionChangeSelect, GralWidget.ConfigData, GralWidget.DynamicData, GralWidget.ImplAccess

Nested classes/interfaces inherited from class org.vishia.gral.base.GralWidgetBase

GralWidgetBase.GralWidgComposite, GralWidgetBase.TimeOrderCreateImplWidget

Nested classes/interfaces inherited from interface org.vishia.gral.ifc.GralWidget_ifc

GralWidget_ifc.ActionChange, GralWidget_ifc.ActionChangeWhen

Field Summary

Fields

Modifier and Type	Field and Description
(package private) GralCanvasStorage	canvasStore The Store for the figures.
static java.lang.String	sVersion Version, history and license.

Fields inherited from class org.vishia.gral.base.GralWidget

_wdgImpl, bEditable, bShouldInitialize, cfg, contextMenu, dateUser, dyda, htmlHelp, redrawDelayMax, redrawtDelay, sCmd, sFormat, sToolTip, whatIs, XXXbuildMng

Fields inherited from class org.vishia.gral.base.GralWidgetBase

_cdata, _wdgPos, bVisibleState, gralMng, name, pixSize

Fields inherited from interface org.vishia.gral.ifc.GralSetValue_ifc

version

Fields inherited from interface org.vishia.gral.base.GetGralWidget_ifc

version

Constructor Summary

Constructors

Constructor and Description
GralCanvasArea(GralPos currPos, java.lang.String posname) Constructs

Method Summary

Modifier and Type	Method and Description
void	drawLine(GralColor color, GralCanvasArea.UserUnits userUnits, float[][] points, int iy)
GralCanvasStorage	getCanvasStore(int ix) Gets one of the Canvas Storages.
GralCanvasArea.UserUnits	userUnitsPerGrid(float x0, float y0, float xSize, float ySize)

Methods inherited from class org.vishia.gral.base.GralWidget

clearShowParam, createImplWidget_Gthread, getActionChange, getActionChangeStrict, getActionDrag, getActionDrop, getActionFocused, getActionShow, getBackColor, getCfgElement, getCmd, getCmd, getContentIdent, getContentInfo, getContextMenu, getData, getDataIx, getDataPath, getDataPath, getFloatValue, getFocusedWidget, getFormat, getGralWidget, getHtmlHelp, getImplAccess, getImplWidget, getItsPanel, getLongValue, getName, getShowMethod, getShowParam, getsToolTip, getText, getValue, getVariable, getVariableFromContentInfo, isChanged, isEditable, isGraphicDisposed, isInFocus, isNotEditableOrShouldInitialize, isVisible, redraw, redraw, redraw, redraw1, redrawOnlyDynamics, refreshFromVariable, refreshFromVariable, removeImplWidget_Gthread, requestNewValueForVariable, setActionChange, setActionFocused, setActionMouse, setActionShow, setBackColor, setBackgroundColor, setBoundsPixel, setCfgElement, setCmd, setContentIdent, setContentInfo, setData, setDataIx, setDataPath, setDragEnable, setDropEnable, setEditable, setFocus, setFocus, setFocusedWidget, setForegroundColor, setFormat, setHtmlHelp, setLineColor, setLongValue, setMinMax, setPrimaryWidgetOfPanel, setText, setTextColor, setToolTip, setToPanel, setValue, setValue, setValue, setValue, setVariable, setVisible, specifyActionChange, specifyContextMenu, toString, toString, XXXgetWidgetImplementation, XXXremoveWidgetImplementation, XXXrepaintGthread, XXXsetFocusGThread

Methods inherited from class org.vishia.gral.base.GralWidgetBase

checkImplWidgetCreation, createImplWidget, gralMng, hasFocus, pos, remove, resizePostPreparation, setFocused

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.vishia.gral.ifc.GralWidgetBase_ifc

gralMng, pos, setFocused

Field Detail

sVersion

public static final java.lang.String sVersion

Version, history and license.

• 2015-09-26 Hartmut creation.

Copyright/Copyleft: For this source the LGPL Lesser General Public License, published by the Free Software Foundation is valid. It means:

1. You can use this source without any restriction for any desired purpose.
2. You can redistribute copies of this source to everybody.
3. Every user of this source, also the user of redistribute copies with or without payment, must accept this license for further using.
4. But the LPGL is not appropriate for a whole software product, if this source is only a part of them. It means, the user must publish this part of source, but don't need to publish the whole source of the own product.
5. You can study and modify (improve) this source for own using or for redistribution, but you have to license the modified sources likewise under this LGPL Lesser General Public License. You mustn't delete this Copyright/Copyleft inscription in this source file.

If you are intent to use this sources without publishing its usage, you can get a second license subscribing a special contract with the author.

See Also:

Constant Field Values

canvasStore

final GralCanvasStorage canvasStore

The Store for the figures. Immediately writable.

Constructor Detail

GralCanvasArea

public GralCanvasArea(GralPos currPos,
                      java.lang.String posname)

Constructs

Parameters:

currPos - may be null, then use the singleton pos in GralMng, else basic and current position

posname -

Method Detail

userUnitsPerGrid

public GralCanvasArea.UserUnits userUnitsPerGrid(float x0,
                                                 float y0,
                                                 float xSize,
                                                 float ySize)

getCanvasStore

public GralCanvasStorage getCanvasStore(int ix)

Gets one of the Canvas Storages.

Parameters:

ix - yet not used. Possible more as one TODO.

Returns:

drawLine

public void drawLine(GralColor color,
                     GralCanvasArea.UserUnits userUnits,
                     float[][] points,
                     int iy)