This file is indexed.

/usr/include/osgPresentation/SlideShowConstructor is in libopenscenegraph-dev 3.2.0~rc1-4.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
 *
 * This software is open source and may be redistributed and/or modified under
 * the terms of the GNU General Public License (GPL) version 2.0.
 * The full license is in LICENSE.txt file included with this distribution,.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * include LICENSE.txt for more details.
*/

#ifndef SLIDESHOWCONSTRUCTOR
#define SLIDESHOWCONSTRUCTOR

#include <osg/Vec3>
#include <osg/Vec4>
#include <osg/ImageUtils>
#include <osg/Group>
#include <osg/ClearNode>
#include <osg/Switch>
#include <osg/AnimationPath>
#include <osg/TransferFunction>
#include <osg/ImageStream>
#include <osg/ImageSequence>
#include <osgText/Text>
#include <osgGA/GUIEventAdapter>

#include <osgDB/FileUtils>

#include <osgVolume/VolumeTile>
#include <osgVolume/Property>

#include <osgPresentation/AnimationMaterial>
#include <osgPresentation/SlideEventHandler>
#include <osgPresentation/PropertyManager>
#include <osgPresentation/Timeout>

namespace osgPresentation
{



class OSGPRESENTATION_EXPORT HUDTransform : public osg::Transform
{
    public:

        HUDTransform(HUDSettings* hudSettings);

        virtual bool computeLocalToWorldMatrix(osg::Matrix& matrix,osg::NodeVisitor* nv) const;

        virtual bool computeWorldToLocalMatrix(osg::Matrix& matrix,osg::NodeVisitor*) const;

protected:

        virtual ~HUDTransform();

        osg::ref_ptr<HUDSettings> _hudSettings;

};

class OSGPRESENTATION_EXPORT SlideShowConstructor
{
public:


    enum CoordinateFrame { SLIDE, MODEL };


    
    LayerAttributes* getOrCreateLayerAttributes(osg::Node* node);

    void setDuration(osg::Node* node,double duration)
    {
        getOrCreateLayerAttributes(node)->setDuration(duration);
    }

    void addKey(osg::Node* node,const KeyPosition& kp)
    {
        getOrCreateLayerAttributes(node)->addKey(kp);
    }

    void addRunString(osg::Node* node, const std::string& runString)
    {
        getOrCreateLayerAttributes(node)->addRunString(runString);
    }

    void setJump(osg::Node* node, const JumpData& jumpData)
    {
        getOrCreateLayerAttributes(node)->setJump(jumpData);
    }

    void addPresentationKey(const KeyPosition& kp)
    {
        if (!_presentationSwitch) createPresentation();
        if (_presentationSwitch.valid()) addKey( _presentationSwitch.get(), kp);
    }

    void addPresentationRunString(const std::string& runString)
    {
        if (!_presentationSwitch) createPresentation();
        if (_presentationSwitch.valid()) addRunString( _presentationSwitch.get(),runString);
    }

    void addSlideKey(const KeyPosition& kp)
    {
        if (!_slide) addSlide();
        if (_slide.valid()) addKey(_slide.get(),kp);
    }

    void addSlideRunString(const std::string& runString)
    {
        if (!_slide) addSlide();
        if (_slide.valid()) addRunString(_slide.get(),runString);
    }

    void setSlideJump(const JumpData& jumpData)
    {
        if (!_slide) addSlide();
        if (_slide.valid()) setJump(_slide.get(),jumpData);
    }

    void addLayerKey(const KeyPosition& kp)
    {
        if (!_currentLayer) addLayer();
        if (_currentLayer.valid()) addKey(_currentLayer.get(),kp);
    }

    void addLayerRunString(const std::string& runString)
    {
        if (!_currentLayer) addLayer();
        if (_currentLayer.valid()) addRunString(_currentLayer.get(),runString);
    }


    void setLayerJump(const JumpData& jumpData)
    {
        if (!_currentLayer) addLayer();
        if (_currentLayer.valid()) setJump(_currentLayer.get(),jumpData);
    }



    struct PositionData
    {
        PositionData():
            frame(SlideShowConstructor::SLIDE),
            position(0.0f,1.0f,0.0f),
            //position(0.5f,0.5f,0.0f),
            scale(1.0f,1.0f,1.0f),
            rotate(0.0f,0.0f,0.0f,1.0f),
            rotation(0.0f,0.0f,1.0f,0.0f),
            absolute_path(false),
            inverse_path(false),
            path_time_offset(0.0),
            path_time_multiplier(1.0f),
            path_loop_mode(osg::AnimationPath::NO_LOOPING),
            animation_material_time_offset(0.0),
            animation_material_time_multiplier(1.0),
            animation_material_loop_mode(AnimationMaterial::NO_LOOPING),
            autoRotate(false),
            autoScale(false),
            hud(false) {}


        bool requiresPosition() const
        {
            return (position[0]!=0.0f || position[1]!=1.0f || position[2]!=1.0f);
        }

        bool requiresScale() const
        {
            return (scale[0]!=1.0f || scale[1]!=1.0f || scale[2]!=1.0f);
        }

        bool requiresRotate() const
        {
            return rotate[0]!=0.0f;
        }

        bool requiresAnimation() const
        {
            return (rotation[0]!=0.0f || !path.empty());
        }

        bool requiresMaterialAnimation() const
        {
            return !animation_material_filename.empty() || !fade.empty();
        }

        CoordinateFrame                         frame;
        osg::Vec3                               position;
        osg::Vec3                               scale;
        osg::Vec4                               rotate;
        osg::Vec4                               rotation;
        std::string                             animation_name;
        bool                                    absolute_path;
        bool                                    inverse_path;
        double                                  path_time_offset;
        double                                  path_time_multiplier;
        osg::AnimationPath::LoopMode            path_loop_mode;
        std::string                             path;
        double                                  animation_material_time_offset;
        double                                  animation_material_time_multiplier;
        AnimationMaterial::LoopMode             animation_material_loop_mode;
        std::string                             animation_material_filename;
        std::string                             fade;
        bool                                    autoRotate;
        bool                                    autoScale;
        bool                                    hud;
    };

    struct ModelData
    {
        ModelData() {}

        std::string region;
        std::string effect;
        std::string options;
    };

    struct ImageData
    {
        ImageData():
            width(1.0f),
            height(1.0f),
            region(0.0f,0.0f,1.0f,1.0f),
            region_in_pixel_coords(false),
            texcoord_rotate(0.0f),
            loopingMode(osg::ImageStream::NO_LOOPING),
            page(-1),
            backgroundColor(1.0f,1.0f,1.0f,1.0f),
            fps(30.0),
            duration(-1.0),
            imageSequence(false),
            imageSequencePagingMode(osg::ImageSequence::PAGE_AND_DISCARD_USED_IMAGES),
            imageSequenceInteractionMode(PLAY_AUTOMATICALLY_LIKE_MOVIE),
            blendingHint(USE_IMAGE_ALPHA),
            delayTime(0.0),
            startTime(0.0),
            stopTime(-1.0),
            volume("")
        {}

        std::string                     options;
        float                           width;
        float                           height;
        osg::Vec4                       region;
        bool                            region_in_pixel_coords;
        float                           texcoord_rotate;
        osg::ImageStream::LoopingMode   loopingMode;
        int                             page;
        osg::Vec4                       backgroundColor;
        double                          fps;
        double                          duration;
        
        bool                            imageSequence;
        osg::ImageSequence::Mode        imageSequencePagingMode;

        enum ImageSequenceInteractionMode
        {
            PLAY_AUTOMATICALLY_LIKE_MOVIE,
            USE_MOUSE_X_POSITION,
            USE_MOUSE_Y_POSITION
        };
        ImageSequenceInteractionMode imageSequenceInteractionMode;

        enum BlendingHint
        {
            USE_IMAGE_ALPHA,
            OFF,
            ON
        };
        
        BlendingHint    blendingHint;

        double          delayTime;
        double          startTime;
        double          stopTime;
        std::string     volume;

    };

    struct VolumeData
    {
        enum ShadingModel
        {
            Standard,
            Light,
            Isosurface,
            MaximumIntensityProjection
        };

        VolumeData():
            shadingModel(Standard),
            useTabbedDragger(false),
            useTrackballDragger(false),
            region_in_pixel_coords(false),
            alphaValue("1.0"),
            cutoffValue("0.1"),
            sampleDensityValue("0.005"),
            colorSpaceOperation(osg::NO_COLOR_SPACE_OPERATION),
            colorModulate(1.0f,1.0f,1.0f,1.0f)
        {
        }

        std::string                             options;
        ShadingModel                            shadingModel;
        osg::ref_ptr<osg::TransferFunction1D>   transferFunction;
        bool                                    useTabbedDragger;
        bool                                    useTrackballDragger;
        std::string                             region;
        bool                                    region_in_pixel_coords;
        std::string                             alphaValue;
        std::string                             cutoffValue;
        std::string                             sampleDensityValue;
        std::string                             sampleDensityWhenMovingValue;

        osg::ColorSpaceOperation                colorSpaceOperation;
        osg::Vec4                               colorModulate;
    };


    struct FontData
    {
        FontData():
            font("fonts/arial.ttf"),
            layout(osgText::Text::LEFT_TO_RIGHT),
            alignment(osgText::Text::LEFT_BASE_LINE),
            axisAlignment(osgText::Text::XZ_PLANE),
            characterSizeMode(osgText::Text::OBJECT_COORDS),
            characterSize(0.04f),
            maximumHeight(1.0f),
            maximumWidth(1.0f),
            color(1.0f,1.0f,1.0f,1.0f) {}

        std::string                         font;
        osgText::Text::Layout               layout;
        osgText::Text::AlignmentType        alignment;
        osgText::Text::AxisAlignment        axisAlignment;
        osgText::Text::CharacterSizeMode    characterSizeMode;
        float                               characterSize;
        float                               maximumHeight;
        float                               maximumWidth;
        osg::Vec4                           color;
    };

    SlideShowConstructor(osgDB::Options* options);

    void createPresentation();

    void setBackgroundColor(const osg::Vec4& color, bool updateClearNode);
    const osg::Vec4& getBackgroundColor() const { return _backgroundColor; }

    void setTextColor(const osg::Vec4& color);
    const osg::Vec4& getTextColor() const { return _textFontDataDefault.color; }

    void setPresentationName(const std::string& name);

    void setPresentationAspectRatio(float aspectRatio);

    void setPresentationAspectRatio(const std::string& str);

    void setPresentationDuration(double duration);


    void addSlide();

    void selectSlide(int slideNum);


    void setSlideTitle(const std::string& name, PositionData& positionData, FontData& fontData)
    {
        _titlePositionData = positionData;
        _titleFontData = fontData;
        _slideTitle = name;
    }

    void setSlideBackgrondHUD(bool hud) { _slideBackgroundAsHUD = hud; }
    void setSlideBackground(const std::string& name) { _slideBackgroundImageFileName = name; }

    void setSlideDuration(double duration);

    Timeout* addTimeout();

    void addLayer(bool inheritPreviousLayers=true, bool defineAsBaseLayer=false);

    void selectLayer(int layerNum);

    void setLayerDuration(double duration);


    // title settings
    FontData& getTitleFontData() { return _titleFontData; }
    FontData& getTitleFontDataDefault() { return _titleFontDataDefault; }

    PositionData& getTitlePositionData() { return _titlePositionData; }
    PositionData& getTitlePositionDataDefault() { return _titlePositionDataDefault; }

    // text settings
    FontData& getTextFontData() { return _textFontData; }
    FontData& getTextFontDataDefault() { return _textFontDataDefault; }

    PositionData& getTextPositionData() { return _textPositionData; }
    PositionData& getTextPositionDataDefault() { return _textPositionDataDefault; }

    void translateTextCursor(const osg::Vec3& delta) { _textPositionData.position += delta; }

    // image settings
    PositionData& getImagePositionData() { return _imagePositionData; }
    PositionData& getImagePositionDataDefault() { return _imagePositionDataDefault; }

    // model settings
    PositionData& getModelPositionData() { return _modelPositionData; }
    PositionData& getModelPositionDataDefault() { return _modelPositionDataDefault; }


    enum PresentationContext {
        CURRENT_PRESENTATION,
        CURRENT_SLIDE,
        CURRENT_LAYER
    };
    
    void addEventHandler(PresentationContext presentationContext, osg::ref_ptr<osgGA::GUIEventHandler> handler);

    void keyToDoOperation(PresentationContext presentationContext, int key, Operation operation, const JumpData& jumpData=JumpData());
    void keyToDoOperation(PresentationContext presentationContext, int key, const std::string& command, Operation operation,  const JumpData& jumpData=JumpData());
    void keyEventOperation(PresentationContext presentationContext, int key, const KeyPosition& keyPos,  const JumpData& jumpData=JumpData());

    void layerClickToDoOperation(Operation operation,  const JumpData& jumpData=JumpData());
    void layerClickToDoOperation(const std::string& command, Operation operation,  const JumpData& jumpData=JumpData());
    void layerClickEventOperation(const KeyPosition& keyPos,  const JumpData& jumpData=JumpData());

    void addPropertyAnimation(PresentationContext presentationContext, PropertyAnimation* propertyAnimation);

    void addToCurrentLayer(osg::Node* subgraph);

    void addBullet(const std::string& bullet, PositionData& positionData, FontData& fontData);

    void addParagraph(const std::string& paragraph, PositionData& positionData, FontData& fontData);

    osg::Image* readImage(const std::string& filename, const ImageData& imageData);

    void addImage(const std::string& filename,const PositionData& positionData, const ImageData& imageData);

    void addStereoImagePair(const std::string& filenameLeft, const ImageData& imageDataLeft, const std::string& filenameRight,const ImageData& imageDataRight, const PositionData& positionData);

    void addGraph(const std::string& filename,const PositionData& positionData, const ImageData& imageData);
    void addVNC(const std::string& filename,const PositionData& positionData, const ImageData& imageData, const std::string& password);
    void addBrowser(const std::string& filename,const PositionData& positionData, const ImageData& imageData);
    void addPDF(const std::string& filename,const PositionData& positionData, const ImageData& imageData);
    osg::Image* addInteractiveImage(const std::string& filename,const PositionData& positionData, const ImageData& imageData);

    void addModel(osg::Node* subgraph, const PositionData& positionData, const ModelData& modelData);

    void addModel(const std::string& filename, const PositionData& positionData, const ModelData& modelData);

    void setUpVolumeScalarProperty(osgVolume::VolumeTile* tile, osgVolume::ScalarProperty* property, const std::string& source);
    
    void addVolume(const std::string& filename, const PositionData& positionData, const VolumeData& volumeData);

    osg::Group* takePresentation() { return _root.release(); }

    osg::Group* getPresentation() { return _root.get(); }

    osg::Switch* getPresentationSwitch() { return _presentationSwitch.get(); }

    osg::Switch* getCurrentSlide() { return _slide.get(); }

    void pushCurrentLayer();
    void popCurrentLayer();
    
    osg::Group* getCurrentLayer() { return _currentLayer.get(); }

    void setLoopPresentation(bool loop) { _loopPresentation = loop; }
    bool getLoopPresentation() const { return _loopPresentation; }

    void setAutoSteppingActive(bool flag = true) { _autoSteppingActive = flag; }
    bool getAutoSteppingActive() const { return _autoSteppingActive; }

    void setHUDSettings(HUDSettings* hudSettings) { _hudSettings = hudSettings; }
    HUDSettings* getHUDSettings() { return _hudSettings.get(); }
    const HUDSettings* getHUDSettings() const { return _hudSettings.get(); }


protected:

    void findImageStreamsAndAddCallbacks(osg::Node* node);

    osg::Geometry* createTexturedQuadGeometry(const osg::Vec3& pos, const osg::Vec4& rotation, float width,float height, osg::Image* image, bool& usedTextureRectangle);
    void setUpMovieVolume(osg::Node* subgraph, osg::ImageStream* imageStream, const ImageData& imageData);

    osg::Vec3 computePositionInModelCoords(const PositionData& positionData) const;
    void updatePositionFromInModelCoords(const osg::Vec3& vertex, PositionData& positionData) const;

    osg::Vec3 convertSlideToModel(const osg::Vec3& position) const;
    osg::Vec3 convertModelToSlide(const osg::Vec3& position) const;

    osg::AnimationPathCallback* getAnimationPathCallback(const PositionData& positionData);

    osg::Node* attachMaterialAnimation(osg::Node* model, const PositionData& positionData);
    bool attachTexMat(osg::StateSet* stateset, const ImageData& imageData, float s, float t, bool textureRectangle);

    osg::StateSet* createTransformStateSet()
    {
        osg::StateSet* stateset = new osg::StateSet;
        #if !defined(OSG_GLES2_AVAILABLE)
            stateset->setMode(GL_NORMALIZE,osg::StateAttribute::ON);
        #endif
        return stateset;
    }

    osg::Node* decorateSubgraphForPosition(osg::Node* node, PositionData& positionData);

    osg::ref_ptr<osgDB::Options> _options;

    osg::Vec3   _slideOrigin;
    osg::Vec3   _eyeOrigin;
    double      _slideWidth;
    double      _slideHeight;
    double      _slideDistance;
    unsigned int _leftEyeMask;
    unsigned int _rightEyeMask;

    osg::ref_ptr<HUDSettings> _hudSettings;

    // title settings
    FontData        _titleFontData;
    FontData        _titleFontDataDefault;

    PositionData    _titlePositionData;
    PositionData    _titlePositionDataDefault;

    // text settings
    FontData        _textFontData;
    FontData        _textFontDataDefault;

    PositionData    _textPositionData;
    PositionData    _textPositionDataDefault;

    // image settings
    PositionData    _imagePositionData;
    PositionData    _imagePositionDataDefault;

    // model settings
    PositionData    _modelPositionData;
    PositionData    _modelPositionDataDefault;


    bool        _loopPresentation;
    bool        _autoSteppingActive;
    osg::Vec4   _backgroundColor;
    std::string _presentationName;
    double      _presentationDuration;

    osg::ref_ptr<osgPresentation::PropertyManager> _propertyManager;
    osg::ref_ptr<osgPresentation::PropertyEventCallback> _propertyEventCallback;
    
    osg::ref_ptr<osg::Group>        _root;
    osg::ref_ptr<osg::Switch>       _presentationSwitch;

    osg::ref_ptr<osg::ClearNode>    _slideClearNode;
    osg::ref_ptr<osg::Switch>       _slide;
    std::string                     _slideTitle;
    std::string                     _slideBackgroundImageFileName;
    bool                            _slideBackgroundAsHUD;

    osg::ref_ptr<osg::Group>        _previousLayer;
    osg::ref_ptr<osg::Group>        _currentLayer;
    typedef std::vector< osg::ref_ptr<osg::Group> > LayerStack;
    LayerStack                      _layerStack;

    osg::ref_ptr<FilePathData>      _filePathData;

    osg::ref_ptr<osg::Group>                _layerToApplyEventCallbackTo;

    typedef std::list< osg::ref_ptr<osgGA::GUIEventHandler> > EventHandlerList;
    EventHandlerList _currentEventCallbacksToApply;


    std::string findFileAndRecordPath(const std::string& filename);

    void recordOptionsFilePath(const osgDB::Options* options);

};

}

#endif