460 lines
16 KiB
C++
460 lines
16 KiB
C++
/* -*-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/Group>
|
|
#include <osg/ClearNode>
|
|
#include <osg/Switch>
|
|
#include <osg/AnimationPath>
|
|
#include <osg/TransferFunction>
|
|
#include <osg/ImageStream>
|
|
#include <osgText/Text>
|
|
#include <osgGA/GUIEventAdapter>
|
|
|
|
#include <osgDB/FileUtils>
|
|
|
|
#include <osgPresentation/AnimationMaterial>
|
|
#include <osgPresentation/SlideEventHandler>
|
|
|
|
namespace osgPresentation
|
|
{
|
|
|
|
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, bool relativeJump, int slideNum, int layerNum)
|
|
{
|
|
getOrCreateLayerAttributes(node)->setJump(relativeJump, slideNum, layerNum);
|
|
}
|
|
|
|
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(bool relativeJump, int switchNum, int layerNum)
|
|
{
|
|
if (!_slide) addSlide();
|
|
if (_slide.valid()) setJump(_slide.get(),relativeJump, switchNum, layerNum);
|
|
}
|
|
|
|
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(bool relativeJump, int switchNum, int layerNum)
|
|
{
|
|
if (!_currentLayer) addLayer();
|
|
if (_currentLayer.valid()) setJump(_currentLayer.get(),relativeJump, switchNum, layerNum);
|
|
}
|
|
|
|
|
|
|
|
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) {}
|
|
|
|
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;
|
|
};
|
|
|
|
struct ModelData
|
|
{
|
|
ModelData():
|
|
effect("") {}
|
|
|
|
std::string effect;
|
|
};
|
|
|
|
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) {}
|
|
|
|
float width;
|
|
float height;
|
|
osg::Vec4 region;
|
|
bool region_in_pixel_coords;
|
|
float texcoord_rotate;
|
|
osg::ImageStream::LoopingMode loopingMode;
|
|
int page;
|
|
osg::Vec4 backgroundColor;
|
|
};
|
|
|
|
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)
|
|
{
|
|
region[0] = region[1] = region[2] = 0.0f;
|
|
region[3] = region[4] = region[5] = 1.0f;
|
|
}
|
|
|
|
ShadingModel shadingModel;
|
|
osg::ref_ptr<osg::TransferFunction1D> transferFunction;
|
|
bool useTabbedDragger;
|
|
bool useTrackballDragger;
|
|
float region[6];
|
|
bool region_in_pixel_coords;
|
|
float alphaValue;
|
|
float cutoffValue;
|
|
float sampleDensityValue;
|
|
};
|
|
|
|
|
|
struct FontData
|
|
{
|
|
FontData():
|
|
font("fonts/arial.ttf"),
|
|
layout(osgText::Text::LEFT_TO_RIGHT),
|
|
alignment(osgText::Text::LEFT_BASE_LINE),
|
|
axisAlignment(osgText::Text::XZ_PLANE),
|
|
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;
|
|
float characterSize;
|
|
float maximumHeight;
|
|
float maximumWidth;
|
|
osg::Vec4 color;
|
|
};
|
|
|
|
|
|
SlideShowConstructor(const osgDB::ReaderWriter::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 setSlideBackground(const std::string& name) { _slideBackgroundImageFileName = name; }
|
|
|
|
void setSlideDuration(double duration);
|
|
|
|
|
|
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; }
|
|
|
|
|
|
void layerClickToDoOperation(Operation operation, bool relativeJump=true, int slideNum=0, int layerNum=0);
|
|
void layerClickToDoOperation(const std::string& command, Operation operation, bool relativeJump=true, int slideNum=0, int layerNum=0);
|
|
void layerClickEventOperation(const KeyPosition& keyPos, bool relativeJump=true, int slideNum=0, int layerNum=0);
|
|
|
|
void addBullet(const std::string& bullet, PositionData& positionData, FontData& fontData);
|
|
|
|
void addParagraph(const std::string& paragraph, PositionData& positionData, FontData& fontData);
|
|
|
|
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 std::string& options,const PositionData& positionData, const ImageData& imageData);
|
|
void addVNC(const std::string& filename,const PositionData& positionData, const ImageData& imageData);
|
|
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 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(); }
|
|
|
|
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; }
|
|
|
|
|
|
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);
|
|
|
|
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::ref_ptr<const osgDB::ReaderWriter::Options> _options;
|
|
|
|
osg::Vec3 _slideOrigin;
|
|
osg::Vec3 _eyeOrigin;
|
|
float _slideWidth;
|
|
float _slideHeight;
|
|
float _slideDistance;
|
|
|
|
// 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<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;
|
|
|
|
osg::ref_ptr<osg::Group> _previousLayer;
|
|
osg::ref_ptr<osg::Group> _currentLayer;
|
|
|
|
osg::ref_ptr<FilePathData> _filePathData;
|
|
|
|
std::string findFileAndRecordPath(const std::string& filename);
|
|
|
|
void recordOptionsFilePath(const osgDB::Options* options);
|
|
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|