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Set Canvas element transforms from C++

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Also allow transforms to be disabled.
This commit is contained in:
James Turner
2016-12-16 09:23:48 +00:00
parent 039f9920db
commit b29536f8b7
2 changed files with 40 additions and 0 deletions
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24
simgear/canvas/elements/CanvasElement.cxx
View File

@@ -640,6 +640,27 @@ namespace canvas
_scissor->_coord_reference = rf;
}
//----------------------------------------------------------------------------
void Element::setRotation(unsigned int index, double r)
{
_node->getChild(NAME_TRANSFORM, index, true)->setDoubleValue("rot", r);
}
//----------------------------------------------------------------------------
void Element::setTranslation(unsigned int index, double x, double y)
{
SGPropertyNode* tf = _node->getChild(NAME_TRANSFORM, index, true);
tf->getChild("t", 0, true)->setDoubleValue(x);
tf->getChild("t", 1, true)->setDoubleValue(y);
}
//----------------------------------------------------------------------------
void Element::setTransformEnabled(unsigned int index, bool enabled)
{
SGPropertyNode* tf = _node->getChild(NAME_TRANSFORM, index, true);
tf->setBoolValue("enabled", enabled);
}
//----------------------------------------------------------------------------
osg::BoundingBox Element::getBoundingBox() const
{
@@ -701,6 +722,9 @@ namespace canvas
continue;
SGPropertyNode* tf_node = _node->getChild("tf", i, true);
if (!tf_node->getBoolValue("enabled", true)) {
continue; // skip disabled transforms
}
// Build up the matrix representation of the current transform node
osg::Matrix tf;

16
simgear/canvas/elements/CanvasElement.hxx
View File

@@ -172,6 +172,22 @@ namespace canvas
*/
void setClipFrame(ReferenceFrame rf);
/**
*
*/
void setRotation(unsigned int index, double r);
/**
*
*/
void setTranslation(unsigned int index, double x, double y);
/**
*
*
*/
void setTransformEnabled(unsigned int index, bool enabled);
/**
* Get bounding box (may not be as tight as bounding box returned by
* #getTightBoundingBox)