void Stage::render(lua_State *L)
{
LOOM_PROFILE_START(stageRenderBegin);
GFX::Graphics::setNativeSize(getWidth(), getHeight());
GFX::Graphics::beginFrame();
updateLocalTransform();
lualoom_pushnative<Stage>(L, this);
renderState.alpha = alpha;
renderState.clipRect = Loom2D::Rectangle(0, 0, -1, -1);
renderState.blendMode = blendMode;
LOOM_PROFILE_END(stageRenderBegin);
LOOM_PROFILE_START(stageRenderDisplayList);
renderChildren(L);
LOOM_PROFILE_END(stageRenderDisplayList);
LOOM_PROFILE_START(stageRenderEnd);
lua_pop(L, 1);
GFX::Graphics::endFrame();
LOOM_PROFILE_END(stageRenderEnd);
LOOM_PROFILE_START(waitForVSync);
/* Update the screen! */
SDL_GL_SwapWindow(sdlWindow);
LOOM_PROFILE_END(waitForVSync);
}
void Shape::render(lua_State *L)
{
renderState.alpha = parent ? parent->renderState.alpha * alpha : alpha;
renderState.clampAlpha();
if (renderState.alpha == 0.0f)
{
return;
}
DisplayObject::render(L);
updateLocalTransform();
if (!renderCached(L)) {
Matrix transform;
getTargetTransformationMatrix(NULL, &transform);
renderState.clipRect = parent ? parent->renderState.clipRect : Loom2D::Rectangle(0, 0, -1, -1);
renderState.blendMode = (blendMode == BlendMode::AUTO && parent) ? parent->renderState.blendMode : blendMode;
if (GFX::Graphics::getFlags() & GFX::Graphics::FLAG_INVERTED) {
transform.scale(1, -1);
transform.translate(0, GFX::Graphics::getHeight());
}
graphics->render(&renderState, &transform);
}
}
void LayoutSVGShape::layout()
{
bool updateCachedBoundariesInParents = false;
LayoutAnalyzer::Scope analyzer(*this);
if (m_needsShapeUpdate || m_needsBoundariesUpdate) {
updateShapeFromElement();
m_needsShapeUpdate = false;
updatePaintInvalidationBoundingBox();
m_needsBoundariesUpdate = false;
updateCachedBoundariesInParents = true;
}
if (m_needsTransformUpdate) {
updateLocalTransform();
m_needsTransformUpdate = false;
updateCachedBoundariesInParents = true;
}
// Invalidate all resources of this client if our layout changed.
if (everHadLayout() && selfNeedsLayout())
SVGResourcesCache::clientLayoutChanged(this);
// If our bounds changed, notify the parents.
if (updateCachedBoundariesInParents)
LayoutSVGModelObject::setNeedsBoundariesUpdate();
clearNeedsLayout();
}
//==============================================================================
const Eigen::Isometry3d& FreeJoint::getQ() const
{
if(mNeedTransformUpdate)
{
updateLocalTransform();
mNeedTransformUpdate = false;
}
return mQ;
}
void SVGTextElement::parseMappedAttribute(MappedAttribute *attr)
{
if (attr->name() == SVGNames::transformAttr) {
SVGTransformList *localTransforms = transform()->baseVal();
localTransforms->clear();
SVGTransformable::parseTransformAttribute(localTransforms, attr->value());
updateLocalTransform(localTransforms);
} else
SVGTextPositioningElement::parseMappedAttribute(attr);
}
void SVGStyledTransformableElement::parseMappedAttribute(MappedAttribute* attr)
{
if (attr->name() == SVGNames::transformAttr) {
SVGTransformList* localTransforms = transformBaseValue();
ExceptionCode ec = 0;
localTransforms->clear(ec);
if (!SVGTransformable::parseTransformAttribute(localTransforms, attr->value()))
localTransforms->clear(ec);
else
updateLocalTransform(localTransforms);
} else
SVGStyledLocatableElement::parseMappedAttribute(attr);
}
void LayoutSVGShape::layout() {
LayoutAnalyzer::Scope analyzer(*this);
// Invalidate all resources of this client if our layout changed.
if (everHadLayout() && selfNeedsLayout())
SVGResourcesCache::clientLayoutChanged(this);
bool updateParentBoundaries = false;
// updateShapeFromElement() also updates the object & stroke bounds - which
// feeds into the visual rect - so we need to call it for both the
// shape-update and the bounds-update flag.
if (m_needsShapeUpdate || m_needsBoundariesUpdate) {
FloatRect oldObjectBoundingBox = objectBoundingBox();
updateShapeFromElement();
if (oldObjectBoundingBox != objectBoundingBox())
setShouldDoFullPaintInvalidation();
m_needsShapeUpdate = false;
m_localVisualRect = strokeBoundingBox();
SVGLayoutSupport::adjustVisualRectWithResources(this, m_localVisualRect);
m_needsBoundariesUpdate = false;
updateParentBoundaries = true;
}
if (m_needsTransformUpdate) {
updateLocalTransform();
m_needsTransformUpdate = false;
updateParentBoundaries = true;
}
// If our bounds changed, notify the parents.
if (updateParentBoundaries)
LayoutSVGModelObject::setNeedsBoundariesUpdate();
ASSERT(!m_needsShapeUpdate);
ASSERT(!m_needsBoundariesUpdate);
ASSERT(!m_needsTransformUpdate);
clearNeedsLayout();
}
/** Creates a matrix that represents the transformation from the local coordinate system
* to another. If you pass a 'resultMatrix', the result will be stored in this matrix
* instead of creating a new object. */
void DisplayObject::getTargetTransformationMatrix(DisplayObject *targetSpace, Matrix *resultMatrix)
{
if (!resultMatrix)
{
return;
}
resultMatrix->identity();
if (transformDirty)
{
updateLocalTransform();
}
if (targetSpace == this)
{
return;
}
if ((targetSpace == parent) || ((targetSpace == NULL) && (parent == NULL)))
{
resultMatrix->copyFrom(&transformMatrix);
return;
}
DisplayObject *base = this;
while (base->parent)
{
base = base->parent;
}
DisplayObject *currentObject = NULL;
if ((targetSpace == NULL) || (targetSpace == base))
{
// targetCoordinateSpace 'null' represents the target space of the base object.
// -> move up from this to base
currentObject = this;
while (currentObject != targetSpace)
{
if (currentObject->transformDirty) {
currentObject->updateLocalTransform();
}
resultMatrix->concat(¤tObject->transformMatrix);
currentObject = currentObject->parent;
}
return;
}
else if (targetSpace->parent == this) // optimization
{
targetSpace->getTargetTransformationMatrix(this, resultMatrix);
resultMatrix->invert();
return;
}
// 1. find a common parent of this and the target space
DisplayObject *commonParent = NULL;
currentObject = this;
while (currentObject)
{
DisplayObject *target = targetSpace;
while (target)
{
if (target == currentObject)
{
commonParent = target;
break;
}
target = target->parent;
}
if (commonParent)
{
break;
}
currentObject = currentObject->parent;
}
lmAssert(commonParent, "Object not connected to target.");
//else throw new ArgumentError("Object not connected to target");
// 2. move up from this to common parent
currentObject = this;
while (currentObject != commonParent)
{
if (currentObject->transformDirty) {
currentObject->updateLocalTransform();
}
resultMatrix->concat(¤tObject->transformMatrix);
currentObject = currentObject->parent;
}
if (commonParent == targetSpace)
{
return;
}
// 3. now move up from target until we reach the common parent
Matrix helperMatrix;
//helperMatrix.identity();
currentObject = targetSpace;
while (currentObject != commonParent)
{
helperMatrix.concat(¤tObject->transformMatrix);
currentObject = currentObject->parent;
}
// 4. now combine the two matrices
helperMatrix.invert();
resultMatrix->concat(&helperMatrix);
}
