opencv/modules/viz/src/widget.cpp at master · pythonmjs/opencv · GitHub

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/*M///////////////////////////////////////////////////////////////////////////////////////

// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.

// By downloading, copying, installing or using the software you agree to this license.

// If you do not agree to this license, do not download, install,

// copy or use the software.

// License Agreement

// For Open Source Computer Vision Library

// Third party copyrights are property of their respective owners.

// Redistribution and use in source and binary forms, with or without modification,

// are permitted provided that the following conditions are met:

// * Redistribution's of source code must retain the above copyright notice,

// this list of conditions and the following disclaimer.

// * Redistribution's in binary form must reproduce the above copyright notice,

// this list of conditions and the following disclaimer in the documentation

// and/or other materials provided with the distribution.

// * The name of the copyright holders may not be used to endorse or promote products

// derived from this software without specific prior written permission.

// This software is provided by the copyright holders and contributors "as is" and

// any express or implied warranties, including, but not limited to, the implied

// warranties of merchantability and fitness for a particular purpose are disclaimed.

// In no event shall the Intel Corporation or contributors be liable for any direct,

// indirect, incidental, special, exemplary, or consequential damages

// (including, but not limited to, procurement of substitute goods or services;

// loss of use, data, or profits; or business interruption) however caused

// and on any theory of liability, whether in contract, strict liability,

// or tort (including negligence or otherwise) arising in any way out of

// the use of this software, even if advised of the possibility of such damage.

// Authors:

// * Ozan Tonkal, ozantonkal@gmail.com

// * Anatoly Baksheev, Itseez Inc. myname.mysurname <> mycompany.com

//M*/

#include "precomp.hpp"

///////////////////////////////////////////////////////////////////////////////////////////////

/// widget implementation

class cv::viz::Widget::Impl

{

public:

vtkSmartPointer<vtkProp> prop;

Impl() : prop(0) {}

};

cv::viz::Widget::Widget() : impl_( new Impl() ) { }

cv::viz::Widget::Widget(const Widget& other) : impl_( new Impl() )

{

if (other.impl_ && other.impl_->prop)

impl_->prop = other.impl_->prop;

}

cv::viz::Widget& cv::viz::Widget::operator=(const Widget& other)

{

if (!impl_)

impl_ = new Impl();

if (other.impl_)

impl_->prop = other.impl_->prop;

return *this;

}

cv::viz::Widget::~Widget()

{

if (impl_)

{

delete impl_;

impl_ = 0;

}

cv::viz::Widget cv::viz::Widget::fromPlyFile(const String &file_name)

{

CV_Assert(vtkPLYReader::CanReadFile(file_name.c_str()));

vtkSmartPointer<vtkPLYReader> reader = vtkSmartPointer<vtkPLYReader>::New();

reader->SetFileName(file_name.c_str());

vtkSmartPointer<vtkDataSetMapper> mapper = vtkSmartPointer<vtkDataSetMapper>::New();

mapper->SetInputConnection( reader->GetOutputPort() );

#if VTK_MAJOR_VERSION < 8

mapper->ImmediateModeRenderingOff();

#endif

vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New();

actor->GetProperty()->SetInterpolationToFlat();

actor->GetProperty()->BackfaceCullingOn();

actor->SetMapper(mapper);

Widget widget;

WidgetAccessor::setProp(widget, actor);

return widget;

}

void cv::viz::Widget::setRenderingProperty(int property, double value)

{

vtkActor *actor = vtkActor::SafeDownCast(WidgetAccessor::getProp(*this));

CV_Assert("Widget type is not supported." && actor);

switch (property)

{

case POINT_SIZE: actor->GetProperty()->SetPointSize(float(value)); break;

case OPACITY: actor->GetProperty()->SetOpacity(value); break;

case LINE_WIDTH: actor->GetProperty()->SetLineWidth(float(value)); break;

#if VTK_MAJOR_VERSION < 8

case IMMEDIATE_RENDERING: actor->GetMapper()->SetImmediateModeRendering(int(value)); break;

#else

case IMMEDIATE_RENDERING: std::cerr << "this property has no effect" << std::endl; break;

#endif

case AMBIENT: actor->GetProperty()->SetAmbient(float(value)); break;

case LIGHTING:

{

if (value == 0)

actor->GetProperty()->LightingOff();

else

actor->GetProperty()->LightingOn();

break;

}

case FONT_SIZE:

{

vtkTextActor* text_actor = vtkTextActor::SafeDownCast(actor);

CV_Assert("Widget does not have text content." && text_actor);

text_actor->GetTextProperty()->SetFontSize(int(value));

break;

}

case REPRESENTATION:

{

switch (int(value))

{

case REPRESENTATION_POINTS: actor->GetProperty()->SetRepresentationToPoints(); break;

case REPRESENTATION_WIREFRAME: actor->GetProperty()->SetRepresentationToWireframe(); break;

case REPRESENTATION_SURFACE: actor->GetProperty()->SetRepresentationToSurface(); break;

}

break;

}

case SHADING:

{

switch (int(value))

{

case SHADING_FLAT: actor->GetProperty()->SetInterpolationToFlat(); break;

case SHADING_GOURAUD:

{

if (!actor->GetMapper()->GetInput()->GetPointData()->GetNormals())

{

vtkSmartPointer<vtkPolyDataMapper> mapper = vtkPolyDataMapper::SafeDownCast(actor->GetMapper());

CV_Assert("Can't set shading property for such type of widget" && mapper);

vtkSmartPointer<vtkPolyData> with_normals = VtkUtils::ComputeNormals(mapper->GetInput());

VtkUtils::SetInputData(mapper, with_normals);

}

actor->GetProperty()->SetInterpolationToGouraud();

break;

}

case SHADING_PHONG:

{

if (!actor->GetMapper()->GetInput()->GetPointData()->GetNormals())

{

vtkSmartPointer<vtkPolyDataMapper> mapper = vtkPolyDataMapper::SafeDownCast(actor->GetMapper());

CV_Assert("Can't set shading property for such type of widget" && mapper);

vtkSmartPointer<vtkPolyData> with_normals = VtkUtils::ComputeNormals(mapper->GetInput());

VtkUtils::SetInputData(mapper, with_normals);

}

actor->GetProperty()->SetInterpolationToPhong();

break;

}

break;

}

default:

CV_Assert("setRenderingProperty: Unknown property");

}

actor->Modified();

}

double cv::viz::Widget::getRenderingProperty(int property) const

{

vtkActor *actor = vtkActor::SafeDownCast(WidgetAccessor::getProp(*this));

CV_Assert("Widget type is not supported." && actor);

double value = 0.0;

switch (property)

{

case POINT_SIZE: value = actor->GetProperty()->GetPointSize(); break;

case OPACITY: value = actor->GetProperty()->GetOpacity(); break;

case LINE_WIDTH: value = actor->GetProperty()->GetLineWidth(); break;

#if VTK_MAJOR_VERSION < 8

case IMMEDIATE_RENDERING: value = actor->GetMapper()->GetImmediateModeRendering(); break;

#else

case IMMEDIATE_RENDERING: std::cerr << "this property has no effect" << std::endl; break;

#endif

case AMBIENT: value = actor->GetProperty()->GetAmbient(); break;

case LIGHTING: value = actor->GetProperty()->GetLighting(); break;

case FONT_SIZE:

{

vtkTextActor* text_actor = vtkTextActor::SafeDownCast(actor);

CV_Assert("Widget does not have text content." && text_actor);

value = text_actor->GetTextProperty()->GetFontSize();;

break;

}

case REPRESENTATION:

{

switch (actor->GetProperty()->GetRepresentation())

{

case VTK_POINTS: value = REPRESENTATION_POINTS; break;

case VTK_WIREFRAME: value = REPRESENTATION_WIREFRAME; break;

case VTK_SURFACE: value = REPRESENTATION_SURFACE; break;

}

break;

}

case SHADING:

{

switch (actor->GetProperty()->GetInterpolation())

{

case VTK_FLAT: value = SHADING_FLAT; break;

case VTK_GOURAUD: value = SHADING_GOURAUD; break;

case VTK_PHONG: value = SHADING_PHONG; break;

}

break;

}

default:

CV_Assert("getRenderingProperty: Unknown property");

}

return value;

}

///////////////////////////////////////////////////////////////////////////////////////////////

/// widget accessor implementation

vtkSmartPointer<vtkProp> cv::viz::WidgetAccessor::getProp(const Widget& widget)

{

return widget.impl_->prop;

}

void cv::viz::WidgetAccessor::setProp(Widget& widget, vtkSmartPointer<vtkProp> prop)

{

widget.impl_->prop = prop;

}

///////////////////////////////////////////////////////////////////////////////////////////////

/// widget3D implementation

void cv::viz::Widget3D::setPose(const Affine3d &pose)

{

vtkProp3D *actor = vtkProp3D::SafeDownCast(WidgetAccessor::getProp(*this));

CV_Assert("Widget is not 3D." && actor);

vtkSmartPointer<vtkMatrix4x4> matrix = vtkmatrix(pose.matrix);

actor->SetUserMatrix(matrix);

actor->Modified();

}

void cv::viz::Widget3D::updatePose(const Affine3d &pose)

{

vtkProp3D *actor = vtkProp3D::SafeDownCast(WidgetAccessor::getProp(*this));

CV_Assert("Widget is not 3D." && actor);

vtkSmartPointer<vtkMatrix4x4> matrix = actor->GetUserMatrix();

if (!matrix)

{

setPose(pose);

return;

}

Affine3d updated_pose = pose * Affine3d(*matrix->Element);

matrix = vtkmatrix(updated_pose.matrix);

actor->SetUserMatrix(matrix);

actor->Modified();

}

cv::Affine3d cv::viz::Widget3D::getPose() const

{

vtkProp3D *actor = vtkProp3D::SafeDownCast(WidgetAccessor::getProp(*this));

CV_Assert("Widget is not 3D." && actor);

if (!actor->GetUserMatrix())

{

return Affine3d(); // empty user matrix, return an identity transform.

}

return Affine3d(*actor->GetUserMatrix()->Element);

}

void cv::viz::Widget3D::applyTransform(const Affine3d &transform)

{

vtkActor *actor = vtkActor::SafeDownCast(WidgetAccessor::getProp(*this));

CV_Assert("Widget is not 3D actor." && actor);

vtkSmartPointer<vtkPolyDataMapper> mapper = vtkPolyDataMapper::SafeDownCast(actor->GetMapper());

CV_Assert("Widget doesn't have a polydata mapper" && mapper);

VtkUtils::SetInputData(mapper, VtkUtils::TransformPolydata(mapper->GetInput(), transform));

mapper->Update();

}

void cv::viz::Widget3D::setColor(const Color &color)

{

// Cast to actor instead of prop3d since prop3d doesn't provide getproperty

vtkActor *actor = vtkActor::SafeDownCast(WidgetAccessor::getProp(*this));

CV_Assert("Widget type is not supported." && actor);

Color c = vtkcolor(color);

actor->GetMapper()->ScalarVisibilityOff();

actor->GetProperty()->SetColor(c.val);

actor->GetProperty()->SetEdgeColor(c.val);

actor->Modified();

}

template<> cv::viz::Widget3D cv::viz::Widget::cast<cv::viz::Widget3D>()

{

vtkProp3D *actor = vtkProp3D::SafeDownCast(WidgetAccessor::getProp(*this));

CV_Assert("Widget cannot be cast." && actor);

Widget3D widget;

WidgetAccessor::setProp(widget, actor);

return widget;

}

///////////////////////////////////////////////////////////////////////////////////////////////

/// widget2D implementation

void cv::viz::Widget2D::setColor(const Color &color)

{

vtkActor2D *actor = vtkActor2D::SafeDownCast(WidgetAccessor::getProp(*this));

CV_Assert("Widget type is not supported." && actor);

Color c = vtkcolor(color);

actor->GetProperty()->SetColor(c.val);

actor->Modified();

}

template<> cv::viz::Widget2D cv::viz::Widget::cast<cv::viz::Widget2D>()

{

vtkActor2D *actor = vtkActor2D::SafeDownCast(WidgetAccessor::getProp(*this));

CV_Assert("Widget cannot be cast." && actor);

Widget2D widget;

WidgetAccessor::setProp(widget, actor);

return widget;

}

opencv/modules/viz/src/widget.cpp at master · pythonmjs/opencv · GitHub

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