CGAL::Qt_widget_get_segment<T>
Definition
An object of type Qt_widget_get_segment<T> creates a CGAL segment in this
way: one left click on the mouse will be the first point and the second point
of the segment will be considered at the coordinates where the left
mouse button is pressed for the second time.
You can always cancel the creation process by pressing the ESC key.
The use of Qt_widget_get_segment<T> requires that the mouse tracking is
enabled for widgets attaching it.
#include <CGAL/IO/Qt_widget_get_segment.h>
Parameters
The full template declaration of Qt_widget_get_segment states one parameter:
If T is one of the CGAL kernels you don't need additional types. If
not, the parameter T has to provide this types:
Types
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typedef T::Point_2
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Point_2;
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This should be a Point type
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typedef T::Segment_2
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Segment_2;
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This should be a Segment type
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typedef T::FT
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FT;
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This should be a Field type
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Inherits From
Qt_widget_layer
Creation
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Qt_widget_get_segment<T> getsegment ( |
const QCursor c=QCursor(Qt::crossCursor),
QObject* parent = 0,
const char* name = 0); |
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c is the cursor that this layer will use when is
active. parent is the parent widget and name is the name you
give to this layer.
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