bool touchmind::view::path::impl::DefaultPathView::_CheckValidity()
{
if (GetNodeModel().expired()) {
return false;
}
std::shared_ptr<model::node::NodeModel> node = GetNodeModel().lock();
std::shared_ptr<model::node::NodeModel> parent = node->GetParent();
if (parent == nullptr) {
return false;
}
if (parent->IsCollapsed() || parent->IsAncestorCollapsed()) {
return false;
}
return true;
}
bool touchmind::view::path::impl::DefaultPathView::HitTest(
touchmind::Context *pContext,
ID2D1RenderTarget *pRenderTarget,
D2D1_POINT_2F point)
{
if (!_CheckValidity()) {
return false;
}
CreateDeviceDependentResources(pContext, pRenderTarget);
BOOL b;
m_pathGeometry->StrokeContainsPoint(
point,
GetNodeModel().lock()->GetPathModel()->GetWidth() + 5.0f,
nullptr,
nullptr,
&b);
return (b == TRUE);
}
std::shared_ptr<touchmind::model::path::PathModel>
touchmind::view::node::NodeViewManager::PathHitTest(touchmind::Context *pContext, ID2D1RenderTarget *pRenderTarget,
D2D1_POINT_2F point) {
std::shared_ptr<touchmind::model::path::PathModel> result;
auto root = m_pMapModel->GetRootNodeModel();
root->ApplyVisitor([&](std::shared_ptr<touchmind::model::node::NodeModel> &node) -> VISITOR_RESULT {
if (((!node->IsCollapsed() && !node->IsAncestorCollapsed())
|| (node->IsCollapsed() && !node->IsAncestorCollapsed()))) {
if (m_nodeIdToPathView.count(node->GetId()) > 0) {
auto pathView = m_nodeIdToPathView[node->GetId()];
if (pathView->HitTest(pContext, pRenderTarget, point)) {
result = pathView->GetNodeModel().lock()->GetPathModel();
return touchmind::VISITOR_RESULT_STOP;
}
}
}
return touchmind::VISITOR_RESULT_CONTINUE;
});
return result;
}
void touchmind::view::path::impl::DefaultPathView::CreateDeviceDependentResources(
touchmind::Context *pContext,
ID2D1RenderTarget *pRenderTarget )
{
if (!_CheckValidity()) {
return;
}
auto node = GetNodeModel().lock();
auto path = node->GetPathModel();
if (path->IsRepaintRequired(GetRepaintCounter()) ||
m_pathBrush == nullptr ||
m_pathGeometry == nullptr ||
m_pathStyle == nullptr) {
_CreateDeviceDependentResources(pContext, pRenderTarget, node);
if (path->IsSelected()) {
_CreateTexture(pContext, pRenderTarget, node);
} else {
m_pBitmap = nullptr;
}
SetRepaintCounter(path);
}
}
void touchmind::view::path::impl::DefaultPathView::Draw(
touchmind::Context *pContext,
ID2D1RenderTarget *pRenderTarget )
{
if (!_CheckValidity()) {
return;
}
auto node = GetNodeModel().lock();
auto path = node->GetPathModel();
CreateDeviceDependentResources(pContext, pRenderTarget);
if (path->IsSelected()) {
FLOAT shadowOffset = GetNodeViewManager()->GetGaussFilter()->GetOffset();
D2D1_SIZE_F size = m_pBitmap->GetSize();
FLOAT left = m_bounds.left - shadowOffset;
FLOAT top = m_bounds.top - shadowOffset;
pRenderTarget->DrawBitmap(m_pBitmap, D2D1::RectF(left, top, left + size.width, top + size.height));
}
pRenderTarget->DrawGeometry(
m_pathGeometry,
m_pathBrush,
path->GetWidthAsValue(),
m_pathStyle);
}
