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single_child_scroll layer显示问题

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Signed-off-by: xiexiyun <xiexiyun@huawei.com>
Change-Id: I9e0f7942af6b171b59c998f6f1bcb8b64e77a886
This commit is contained in:
xiexiyun
2022-03-26 15:57:44 +08:00
parent 9831b3f9c6
commit 0d333f7231
1 changed files with 18 additions and 9 deletions
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frameworks/core/components/scroll/flutter_render_single_child_scroll.cpp
+18 -9
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@@ -26,15 +26,13 @@ RenderLayer FlutterRenderSingleChildScroll::GetRenderLayer()
{
if (!layer_) {
// layer should add parent padding size to avoid clip
auto maxWidth = viewPort_.Width();
auto maxHeight = viewPort_.Height();
auto parent = GetParent().Upgrade();
if (parent) {
auto parentBox = AceType::DynamicCast<RenderBox>(parent);
if (parentBox) {
maxWidth += parentBox->GetPaddingSize().Width();
maxHeight += parentBox->GetPaddingSize().Height();
}
auto maxWidth = GetLayoutParam().GetMaxSize().Width();
auto maxHeight = GetLayoutParam().GetMaxSize().Height();
if (NearEqual(maxWidth, Size::INFINITE_SIZE)) {
maxWidth = viewPort_.Width();
}
if (NearEqual(maxHeight, Size::INFINITE_SIZE)) {
maxHeight = viewPort_.Height();
}
layer_ = AceType::MakeRefPtr<Flutter::ClipLayer>(0.0, maxWidth, 0.0, maxHeight, Flutter::Clip::HARD_EDGE);
}
@@ -43,6 +41,17 @@ RenderLayer FlutterRenderSingleChildScroll::GetRenderLayer()
void FlutterRenderSingleChildScroll::Paint(RenderContext& context, const Offset& offset)
{
auto maxWidth = viewPort_.Width();
auto maxHeight = viewPort_.Height();
auto parent = GetParent().Upgrade();
if (parent) {
auto parentBox = AceType::DynamicCast<RenderBox>(parent);
if (parentBox) {
maxWidth += parentBox->GetPaddingSize().Width();
maxHeight += parentBox->GetPaddingSize().Height();
}
}
layer_->SetClip(0.0, maxWidth, 0.0, maxHeight, Flutter::Clip::HARD_EDGE);
RenderNode::Paint(context, offset);
const auto renderContext = static_cast<FlutterRenderContext*>(&context);