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/*=========================================================================
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.kitware.com/VolViewCopyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME vtkKWCameraLightWidget - widget to control lights in the scene
// .SECTION Description
// vtkKWCameraLightWidget is a widget to control up to 4 lights in a 3D
// view. The lights can be interactively moved, and their visibility, color,
// and intensity can be changed.
#ifndef __vtkKWCameraLightWidget_h
#define __vtkKWCameraLightWidget_h
#include "vtkKWCompositeWidget.h"
class vtkKWChangeColorButton;
class vtkKWLabel;
class vtkKWCheckButtonWithLabel;
class vtkKWFrameWithLabel;
class vtkKWFrame;
class vtkKWMenuButtonWithLabel;
class vtkKWScaleWithEntry;
class vtkKWVolumeWidget;
class VTK_EXPORT vtkKWCameraLightWidget : public vtkKWCompositeWidget
{
public:
static vtkKWCameraLightWidget *New();
vtkTypeRevisionMacro(vtkKWCameraLightWidget, vtkKWCompositeWidget);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Set/get the volume widget you want to control the lights of
virtual void SetVolumeWidget(vtkKWVolumeWidget *widget);
vtkGetObjectMacro(VolumeWidget, vtkKWVolumeWidget);
// Description:
// Refresh the interface given the value extracted from the current widget.
virtual void Update();
// Description:
// Set the active light
virtual void SetActiveLight(int);
// Description:
// Callbacks to change light visibility, color, and intensity
virtual void ActiveLightCallback();
virtual void LightVisibilityCallback(int state);
virtual void LightColorCallback(double r, double g, double b);
virtual void LightIntensityCallback(double value);
// Description:
// Callbacks for mouse interactions to place the lights in the scene
virtual void MouseButtonPressCallback(int x, int y);
virtual void MouseMoveCallback(int x, int y);
virtual void MouseButtonReleaseCallback(int x, int y);
// Description:
// Update the "enable" state of the object and its internal parts.
// Depending on different Ivars (this->Enabled, the application's
// Limited Edition Mode, etc.), the "enable" state of the object is updated
// and propagated to its internal parts/subwidgets. This will, for example,
// enable/disable parts of the widget UI, enable/disable the visibility
// of 3D widgets, etc.
virtual void UpdateEnableState();
// Description:
// Access to the main labeled frame
vtkGetObjectMacro(CameraLightFrame, vtkKWFrameWithLabel);
protected:
vtkKWCameraLightWidget();
~vtkKWCameraLightWidget();
// Description:
// Create the widget.
virtual void CreateWidget();
vtkKWVolumeWidget *VolumeWidget;
vtkKWFrameWithLabel *CameraLightFrame;
vtkKWFrame *WidgetFrame;
vtkKWMenuButtonWithLabel *ActiveLightMenu;
vtkKWCheckButtonWithLabel *LightVisibilityCheckButton;
vtkKWChangeColorButton *LightColorButton;
vtkKWScaleWithEntry *LightIntensityScale;
vtkKWLabel *LightPreviewLabel;
//BTX
class Light
{
public:
int Position[2];
int Visibility;
double Color[3];
double Intensity;
};
vtkKWCameraLightWidget::Light *Lights;
//ETX
int NumberOfLights;
int CurrentLight;
int MovingLight;
virtual void UpdateCurrentParameters();
virtual void UpdatePreview();
virtual void UpdateLights();
virtual void DeleteLights();
private:
vtkKWCameraLightWidget(const vtkKWCameraLightWidget&); //Not implemented
void operator=(const vtkKWCameraLightWidget&); //Not implemented
};
#endif
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