VSTGUI: CMovieBitmap Class Reference

VSTGUI 4.10 Graphical User Interface Framework not only for VST plugins

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CMovieBitmap Class Reference
Views | Views using Multi-Frame Bitmaps

a bitmap view that displays different bitmaps according to its current value More...

Inheritance diagram for CMovieBitmap:

## Public Member Functions
| CMovieBitmap (const CRect &size, IControlListener *listener, int32_t tag, CBitmap *background)
| CMovieBitmap constructor.
| CMovieBitmap (const CMovieBitmap &movieBitmap)
void | draw (CDrawContext *) override
| called if the view should draw itself
bool | sizeToFit () override
| resize view to optimal size
| CMovieBitmap (const CRect &size, IControlListener *listener, int32_t tag, int32_t subPixmaps, CCoord heightOfOneImage, CBitmap *background, const CPoint &offset=CPoint(0, 0))
| CMovieBitmap constructor.
void | setNumSubPixmaps (int32_t numSubPixmaps) override
CBaseObject * | newCopy () const override
Public Member Functions inherited from CControl
| CControl (const CRect &size, IControlListener *listener=nullptr, int32_t tag=0, CBitmap *pBackground=nullptr)
| CControl (const CControl &c)
bool | isDirty () const override
| check if view is dirty
void | setDirty (bool val=true) override
| set the view to dirty so that it is redrawn in the next idle.
bool | drawFocusOnTop () override
| draw focus before view will be drawn or afterwards
bool | getFocusPath (CGraphicsPath &outPath) override
| the graphics path will be drawn filled with the evenodd method and the color set in CFrame::setFocusColor()
virtual void | setValue (float val)
virtual float | getValue () const
virtual void | setValueNormalized (float val)
virtual float | getValueNormalized () const
virtual void | setMin (float val)
virtual float | getMin () const
virtual void | setMax (float val)
virtual float | getMax () const
float | getRange () const
virtual void | setOldValue (float val)
virtual float | getOldValue () const
virtual void | setDefaultValue (float val)
virtual float | getDefaultValue () const
virtual void | bounceValue ()
virtual void | valueChanged ()
| notifies listener and dependent objects
virtual void | setTag (int32_t val)
virtual int32_t | getTag () const
virtual void | beginEdit ()
virtual void | endEdit ()
bool | isEditing () const
virtual IControlListener * | getListener () const
| get main listener
virtual void | setListener (IControlListener *l)
| set main listener
void | registerControlListener (IControlListener *listener)
| register a sub listener
void | unregisterControlListener (IControlListener *listener)
| unregister a sub listener
virtual void | setWheelInc (float val)
virtual float | getWheelInc () const
Public Member Functions inherited from CView
| CView (const CRect &size)
| CView (const CView &view)
void | setSubviewState (bool state)
bool | isSubview () const
virtual bool | wantsWindowActiveStateChangeNotification () const
| whether this view wants to be informed if the window's active state changes
virtual void | onWindowActivate (bool state)
| called when the active state of the window changes
void | setTooltipText (UTF8StringPtr text)
virtual CViewContainer * | asViewContainer ()
virtual const CViewContainer * | asViewContainer () const
CMouseEventResult | callMouseListener (MouseListenerCall type, CPoint pos, CButtonState buttons)
void | callMouseListenerEnteredExited (bool mouseEntered)
CMessageResult | notify (CBaseObject *sender, IdStringPtr message) override
void | beforeDelete () override
CBaseObject * | newCopy () const override
virtual void | dispatchEvent (Event &event)
| dispatch an event
virtual void | onMouseDownEvent (MouseDownEvent &event)
| called when a mouse down event occurs
virtual void | onMouseMoveEvent (MouseMoveEvent &event)
| called when a mouse move event occurs
virtual void | onMouseUpEvent (MouseUpEvent &event)
| called when a mouse up event occurs
virtual void | onMouseCancelEvent (MouseCancelEvent &event)
| called when mouse tracking should be canceled
virtual void | onMouseEnterEvent (MouseEnterEvent &event)
| called when the mouse enters this view
virtual void | onMouseExitEvent (MouseExitEvent &event)
| called when the mouse leaves this view
virtual void | onMouseWheelEvent (MouseWheelEvent &event)
| called when a mouse wheel event occurs
virtual void | onZoomGestureEvent (ZoomGestureEvent &event)
| called when a zoom gesture event occurs
virtual void | setMouseEnabled (bool bEnable=true)
| turn on/off mouse usage for this view
bool | getMouseEnabled () const
| get the state of wheather this view uses the mouse or not
virtual void | setMouseableArea (const CRect &rect)
| set the area in which the view reacts to the mouse
CRect | getMouseableArea () const
| get the area in which the view reacts to the mouse
virtual CMouseEventResult | onMouseDown (CPoint &where, const CButtonState &buttons)
| do not use any longer.
virtual CMouseEventResult | onMouseUp (CPoint &where, const CButtonState &buttons)
| do not use any longer.
virtual CMouseEventResult | onMouseMoved (CPoint &where, const CButtonState &buttons)
| do not use any longer.
virtual CMouseEventResult | onMouseCancel ()
| do not use any longer.
virtual CMouseEventResult | onMouseEntered (CPoint &where, const CButtonState &buttons)
| do not use any longer.
virtual CMouseEventResult | onMouseExited (CPoint &where, const CButtonState &buttons)
| do not use any longer.
virtual bool | onWheel (const CPoint &where, const float &distance, const CButtonState &buttons) final
virtual bool | onWheel (const CPoint &where, const CMouseWheelAxis &axis, const float &distance, const CButtonState &buttons)
CRect & | getMouseableArea (CRect &rect) const
| get the area in which the view reacts to the mouse
void | setHitTestPath (CGraphicsPath *path)
virtual bool | hitTest (const CPoint &where, const Event &event=noEvent())
| check if where hits this view
bool | doDrag (const DragDescription &dragDescription, const SharedPointer< IDragCallback > &callback={})
| A drag can only be started from within onMouseDown or onMouseMove.
virtual SharedPointer < IDropTarget > | getDropTarget ()
| get the drag target for drag and drop handling
void | setDropTarget (const SharedPointer< IDropTarget > &dt)
| set a custom drop target
DragResult | doDrag (IDataPackage *source, const CPoint &offset=CPoint(0, 0), CBitmap *dragBitmap=nullptr)
| a drag can only be started from within onMouseDown
virtual void | onKeyboardEvent (KeyboardEvent &event)
| called when a keyboard event is dispatched to this view
virtual int32_t | onKeyDown (VstKeyCode &keyCode)
| called if a key down event occurs and this view has focus
virtual int32_t | onKeyUp (VstKeyCode &keyCode)
| called if a key up event occurs and this view has focus
CCoord | getHeight () const
| get the height of the view
CCoord | getWidth () const
| get the width of the view
virtual void | setViewSize (const CRect &rect, bool invalid=true)
| set views size
const CRect & | getViewSize () const
| read only access to view size
virtual CRect | getVisibleViewSize () const
| returns the visible size of the view
virtual void | parentSizeChanged ()
| notification that one of the views parent has changed its size
virtual CPoint & | frameToLocal (CPoint &point) const
| conversion from frame coordinates to local view coordinates
virtual CPoint & | localToFrame (CPoint &point) const
| conversion from local view coordinates to frame coordinates
virtual void | setAutosizeFlags (int32_t flags)
| set autosize flags
int32_t | getAutosizeFlags () const
| get autosize flags
virtual void | looseFocus ()
| called if view should loose focus
virtual void | takeFocus ()
| called if view should take focus
virtual bool | wantsFocus () const
| check if view supports focus
virtual void | setWantsFocus (bool state)
| set focus support on/off
bool | getAttributeSize (const CViewAttributeID id, uint32_t &outSize) const
| get the size of an attribute
bool | getAttribute (const CViewAttributeID id, const uint32_t inSize, void *outData, uint32_t &outSize) const
| get an attribute
bool | setAttribute (const CViewAttributeID id, const uint32_t inSize, const void *inData)
| set an attribute
bool | removeAttribute (const CViewAttributeID id)
| remove an attribute
template<typename T >
bool | setAttribute (const CViewAttributeID id, const T &data)
| set an attribute
template<typename T >
bool | getAttribute (const CViewAttributeID id, T &data) const
| get an attribute
virtual void | setBackground (CBitmap *background)
| set the background image of this view
CBitmap * | getBackground () const
| get the background image of this view
virtual void | setDisabledBackground (CBitmap *background)
| set background image used when the mouse is not enabled
CBitmap * | getDisabledBackground () const
| get background image used when the mouse is not enabled
CBitmap * | getDrawBackground () const
| get the bitmap which is drawn depending on the enabled state.
virtual void | setTransparency (bool val)
| set views transparent state
bool | getTransparency () const
| get views transparent state
virtual void | setAlphaValue (float alpha)
| set alpha value which will be applied when drawing this view
float | getAlphaValue () const
| get alpha value
virtual bool | removed (CView *parent)
| view is removed from parent view
virtual bool | attached (CView *parent)
| view is attached to a parent view
bool | isAttached () const
| is view attached to a parentView
CView * | getParentView () const
| get parent view
CFrame * | getFrame () const
| get frame
virtual VSTGUIEditorInterface * | getEditor () const
| get editor
void | addAnimation (IdStringPtr name, Animation::IAnimationTarget *target, Animation::ITimingFunction *timingFunction, CBaseObject *notificationObject)
void | addAnimation (IdStringPtr name, Animation::IAnimationTarget *target, Animation::ITimingFunction *timingFunction, const Animation::DoneFunction &doneFunc=nullptr, bool callDoneOnCancel=false)
void | removeAnimation (IdStringPtr name)
void | removeAllAnimations ()
void | registerViewListener (IViewListener *listener)
void | unregisterViewListener (IViewListener *listener)
void | registerViewEventListener (IViewEventListener *listener)
void | unregisterViewEventListener (IViewEventListener *listener)
void | registerViewMouseListener (IViewMouseListener *listener)
void | unregisterViewMouseListener (IViewMouseListener *listener)
CGraphicsTransform | getGlobalTransform (bool ignoreFrame=false) const
| get the active global transform for this view
template<typename T >
T & | translateToGlobal (T &t, bool ignoreFrame=false) const
| translates a local coordinate to a global one using parent transforms
template<typename T >
T | translateToGlobal (const T &t, bool ignoreFrame=false) const
| translates a local coordinate to a global one using parent transforms
template<typename T >
T & | translateToLocal (T &t, bool ignoreFrame=false) const
| translates a global coordinate to a local one using parent transforms
template<typename T >
T | translateToLocal (const T &t, bool ignoreFrame=false) const
| translates a local coordinate to a global one using parent transforms
virtual void | drawRect (CDrawContext *pContext, const CRect &updateRect)
| called if the view should draw itself
virtual bool | checkUpdate (const CRect &updateRect) const
virtual void | invalidRect (const CRect &rect)
| mark rect as invalid
virtual void | invalid ()
| mark whole view as invalid
virtual void | setVisible (bool state)
| set visibility state
bool | isVisible () const
| get visibility state
virtual void | onIdle ()
| called on idle when view wants idle
void | setWantsIdle (bool state)
| enable/disable onIdle() callback
bool | wantsIdle () const
| returns if the view wants idle callback or not
Public Member Functions inherited from CBaseObject
| CBaseObject ()=default
| ~CBaseObject () noexceptoverride=default
| CBaseObject (const CBaseObject &)
CBaseObject & | operator= (const CBaseObject &)
virtual CMessageResult | notify ([[maybe_unused]] CBaseObject *sender,[[maybe_unused]] IdStringPtr message)
Public Member Functions inherited from ReferenceCounted< T >
| ReferenceCounted ()=default
virtual | ~ReferenceCounted () noexcept=default
| ReferenceCounted (const ReferenceCounted &)
ReferenceCounted & | operator= (const ReferenceCounted &)
void | forget () override
| decrease refcount and delete object if refcount == 0
void | remember () override
| increase refcount
virtual int32_t | getNbReference () const
| get refcount
Public Member Functions inherited from IFocusDrawing
virtual | ~IFocusDrawing () noexcept=default
Public Member Functions inherited from MultiFrameBitmapView< CMovieBitmap >
void | setMultiFrameBitmapRange (int32_t startIndex, int32_t endIndex)
| set the range of the CMultiBitmapFrame this view will use for drawing
std::pair< int32_t, int32_t > | getMultiFrameBitmapRange () const
| get the range of the CMulitBitmapFrame this view will use for drawing
uint16_t | getMultiFrameBitmapRangeLength (const CMultiFrameBitmap &mfb) const
| get the number of frames this view will use for drawing
uint16_t | getInverseIndex (const CMultiFrameBitmap &mfb, uint16_t index) const
| get the inverse index
uint16_t | getMultiFrameBitmapIndex (const CMultiFrameBitmap &mfb, float normValue) const
| get the frame index for a normalized value
float | getNormValueFromMultiFrameBitmapIndex (const CMultiFrameBitmap &mfb, uint16_t index) const
| get the normalized value for a frame index
Public Member Functions inherited from IMultiBitmapControl
virtual | ~IMultiBitmapControl ()
virtual void | setHeightOfOneImage (const CCoord &height)
virtual CCoord | getHeightOfOneImage () const
virtual int32_t | getNumSubPixmaps () const
virtual void | autoComputeHeightOfOneImage ()

## Static Public Attributes
static bool | useLegacyFrameCalculation = false
Static Public Attributes inherited from CControl
static CheckDefaultValueEventFuncT | CheckDefaultValueEventFunc
| Function to check if a mouse down event should reset the value to its default value for a *control.
static int32_t | kZoomModifier = kShift
| zoom modifier key, per default is the shift key
static int32_t | kDefaultValueModifier = kControl
static CheckDefaultValueFuncT | CheckDefaultValueFunc
Static Public Attributes inherited from CView
static bool | kDirtyCallAlwaysOnMainThread = false
| if this is true, setting a view dirty will call invalid() instead of checking it in idle.
static uint32_t | idleRate = 30
| global idle rate in Hz, defaults to 30 Hz

## Protected Member Functions
| ~CMovieBitmap () noexceptoverride=default
Protected Member Functions inherited from CControl
| ~CControl () noexceptoverride
Protected Member Functions inherited from CView
| ~CView () noexceptoverride
CGraphicsPath * | getHitTestPath () const
bool | hasViewFlag (int32_t bit) const
void | setViewFlag (int32_t bit, bool state)
void | setAlphaValueNoInvalidate (float value)
void | setParentFrame (CFrame *frame)
void | setParentView (CView *parent)
Protected Member Functions inherited from IMultiBitmapControl
| IMultiBitmapControl ()

## Protected Attributes
CPoint | offset {}
Protected Attributes inherited from CControl
IControlListener * | listener
int32_t | tag
float | value
Protected Attributes inherited from IMultiBitmapControl
CCoord | heightOfOneImage
int32_t | subPixmaps

## Additional Inherited Members
Public Types inherited from CControl
using | CheckDefaultValueEventFuncT = bool(*)(CControl *, MouseDownEvent &)
using | CheckDefaultValueFuncT = bool(*)(CControl *, CButtonState)
Protected Types inherited from CView
enum | { kMouseEnabled = 1 << 0, kTransparencyEnabled = 1 << 1, kWantsFocus = 1 << 2, kIsAttached = 1 << 3, kVisible = 1 << 4, kDirty = 1 << 5, kWantsIdle = 1 << 6, kIsSubview = 1 << 7, kHasAlpha = 1 << 8, kHasBackground = 1 << 9, kHasDisabledBackground = 1 << 10, kHasMouseableArea = 1 << 11, kLastCViewFlag = 11 }
Static Protected Member Functions inherited from CControl
static int32_t | mapVstKeyModifier (int32_t vstModifier)

## Detailed Description

a bitmap view that displays different bitmaps according to its current value

Use a CMultiFrameBitmap for its background bitmap.

## Constructor & Destructor Documentation

CMovieBitmap | ( | const CRect & | size,
|  | IControlListener * | listener,
|  | int32_t | tag,
|  | CBitmap * | background
| ) |  |

CMovieBitmap constructor.

Parameters

  size | the size of this view
  listener | the listener
  tag | the control tag
  background | bitmap

CMovieBitmap | ( | const CMovieBitmap & | movieBitmap | ) |

CMovieBitmap | ( | const CRect & | size,
|  | IControlListener * | listener,
|  | int32_t | tag,
|  | int32_t | subPixmaps,
|  | CCoord | heightOfOneImage,
|  | CBitmap * | background,
|  | const CPoint & | offset = `CPoint (0, 0)`
| ) |  |

CMovieBitmap constructor.

Parameters

  size | the size of this view
  listener | the listener
  tag | the control tag
  subPixmaps | number of subPixmaps
  heightOfOneImage | height of one image in pixel
  background | bitmap
  offset |

~CMovieBitmap | ( |  | ) |
| overrideprotecteddefaultnoexcept

## Member Function Documentation

void draw | ( | CDrawContext * | pContext | ) |
| overridevirtual

called if the view should draw itself

Parameters

  pContext | draw context in which to draw

Implements CControl.

CBaseObject* newCopy | ( |  | ) | const
| inlineoverridevirtual

Implements CControl.

void setNumSubPixmaps | ( | int32_t | numSubPixmaps | ) |
| inlineoverridevirtual

Reimplemented from IMultiBitmapControl.

bool sizeToFit | ( |  | ) |
| overridevirtual

resize view to optimal size

Reimplemented from CView.

## Member Data Documentation

CPoint offset {}
| protected

bool useLegacyFrameCalculation = false
| static

The documentation for this class was generated from the following files:

- cmoviebitmap.h
- cmoviebitmap.cpp