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text3D widget implementation

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This commit is contained in:
ozantonkal 2013-07-10 16:34:47 +02:00
parent e185900270
commit 5813a3a99d
3 changed files with 66 additions and 0 deletions
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10
modules/viz/include/opencv2/viz/widgets.hpp
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@ -121,6 +121,15 @@ namespace temp_viz
GridWidget(Vec2i dimensions, Vec2d spacing, const Color &color = Color::white());
};
class CV_EXPORTS Text3DWidget : public Widget3D
{
public:
Text3DWidget(const String &text, const Point3f &position, double text_scale = 1.0, const Color &color = Color::white());
void setText(const String &text);
String getText() const;
};
class CV_EXPORTS TextWidget : public Widget2D
{
public:
@ -161,6 +170,7 @@ namespace temp_viz
template<> CV_EXPORTS CoordinateSystemWidget Widget::cast<CoordinateSystemWidget>();
template<> CV_EXPORTS PolyLineWidget Widget::cast<PolyLineWidget>();
template<> CV_EXPORTS GridWidget Widget::cast<GridWidget>();
template<> CV_EXPORTS Text3DWidget Widget::cast<Text3DWidget>();
template<> CV_EXPORTS TextWidget Widget::cast<TextWidget>();
template<> CV_EXPORTS CloudWidget Widget::cast<CloudWidget>();
template<> CV_EXPORTS CloudNormalsWidget Widget::cast<CloudNormalsWidget>();

53
modules/viz/src/simple_widgets.cpp
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@ -450,6 +450,59 @@ template<> temp_viz::GridWidget temp_viz::Widget::cast<temp_viz::GridWidget>()
return static_cast<GridWidget&>(widget);
}
///////////////////////////////////////////////////////////////////////////////////////////////
/// text3D widget implementation
temp_viz::Text3DWidget::Text3DWidget(const String &text, const Point3f &position, double text_scale, const Color &color)
{
vtkSmartPointer<vtkVectorText> textSource = vtkSmartPointer<vtkVectorText>::New ();
textSource->SetText (text.c_str());
textSource->Update ();
vtkSmartPointer<vtkPolyDataMapper> mapper = vtkSmartPointer<vtkPolyDataMapper>::New ();
mapper->SetInputConnection (textSource->GetOutputPort ());
vtkSmartPointer<vtkFollower> actor = vtkSmartPointer<vtkFollower>::New ();
actor->SetMapper (mapper);
actor->SetPosition (position.x, position.y, position.z);
actor->SetScale (text_scale);
WidgetAccessor::setProp(*this, actor);
setColor(color);
}
void temp_viz::Text3DWidget::setText(const String &text)
{
vtkFollower *actor = vtkFollower::SafeDownCast(WidgetAccessor::getProp(*this));
CV_Assert(actor);
// Update text source
vtkPolyDataMapper *mapper = vtkPolyDataMapper::SafeDownCast(actor->GetMapper());
vtkVectorText * textSource = vtkVectorText::SafeDownCast(mapper->GetInputConnection(0,0)->GetProducer());
CV_Assert(textSource);
textSource->SetText(text.c_str());
textSource->Update();
}
temp_viz::String temp_viz::Text3DWidget::getText() const
{
vtkFollower *actor = vtkFollower::SafeDownCast(WidgetAccessor::getProp(*this));
CV_Assert(actor);
vtkPolyDataMapper *mapper = vtkPolyDataMapper::SafeDownCast(actor->GetMapper());
vtkVectorText * textSource = vtkVectorText::SafeDownCast(mapper->GetInputConnection(0,0)->GetProducer());
CV_Assert(textSource);
return textSource->GetText();
}
template<> temp_viz::Text3DWidget temp_viz::Widget::cast<temp_viz::Text3DWidget>()
{
Widget3D widget = this->cast<Widget3D>();
return static_cast<Text3DWidget&>(widget);
}
///////////////////////////////////////////////////////////////////////////////////////////////
/// text widget implementation

3
modules/viz/test/test_viz3d.cpp
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@ -142,6 +142,9 @@ TEST(Viz_viz3d, accuracy)
temp_viz::GridWidget gw(temp_viz::Vec2i(10,10), temp_viz::Vec2d(0.1,0.1));
v.showWidget("grid", gw);
lw = v.getWidget("grid").cast<temp_viz::LineWidget>();
temp_viz::Text3DWidget t3w("OpenCV", cv::Point3f(0.0, 2.0, 0.0), 1.0, temp_viz::Color(255,255,0));
v.showWidget("txt3d", t3w);
// float grid_x_angle = 0.0;
while(!v.wasStopped())