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authorJun Fang <jun_fang@foxitsoftware.com>2016-02-23 09:17:30 +0800
committerJun Fang <jun_fang@foxitsoftware.com>2016-02-23 09:17:30 +0800
commit6add19c6e183363f543585ce316b54ee9f50592a (patch)
tree554e4d8ab3bedacfdb669af3463b8783c1c828e4 /xfa/src
parentdb6d0600d59654f6e4a55a9e8933157ce03af10a (diff)
downloadpdfium-6add19c6e183363f543585ce316b54ee9f50592a.tar.xz
Fix a crasher in CXFA_LayoutPageMgr::GetAvailHeight()
BUG=pdfium:407 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1717243002 .
Diffstat (limited to 'xfa/src')
-rw-r--r--xfa/src/fxfa/src/parser/xfa_layout_pagemgr_new.cpp24
1 files changed, 12 insertions, 12 deletions
diff --git a/xfa/src/fxfa/src/parser/xfa_layout_pagemgr_new.cpp b/xfa/src/fxfa/src/parser/xfa_layout_pagemgr_new.cpp
index 832e1ba5d1..4030326964 100644
--- a/xfa/src/fxfa/src/parser/xfa_layout_pagemgr_new.cpp
+++ b/xfa/src/fxfa/src/parser/xfa_layout_pagemgr_new.cpp
@@ -251,19 +251,19 @@ void CXFA_LayoutPageMgr::SubmitContentItem(
}
}
FX_FLOAT CXFA_LayoutPageMgr::GetAvailHeight() {
+ CXFA_ContainerLayoutItem* pLayoutItem =
+ GetCurrentContainerRecord()->pCurContentArea;
+ if (!pLayoutItem || !pLayoutItem->m_pFormNode)
+ return 0.0f;
FX_FLOAT fAvailHeight =
- GetCurrentContainerRecord()
- ->pCurContentArea->m_pFormNode->GetMeasure(XFA_ATTRIBUTE_H)
- .ToUnit(XFA_UNIT_Pt);
- if (fAvailHeight < XFA_LAYOUT_FLOAT_PERCISION) {
- if (m_pCurrentContainerRecord ==
- m_rgProposedContainerRecord.GetHeadPosition()) {
- fAvailHeight = 0;
- } else {
- fAvailHeight = XFA_LAYOUT_FLOAT_MAX;
- }
- }
- return fAvailHeight;
+ pLayoutItem->m_pFormNode->GetMeasure(XFA_ATTRIBUTE_H).ToUnit(XFA_UNIT_Pt);
+ if (fAvailHeight >= XFA_LAYOUT_FLOAT_PERCISION)
+ return fAvailHeight;
+ if (m_pCurrentContainerRecord ==
+ m_rgProposedContainerRecord.GetHeadPosition()) {
+ return 0.0f;
+ }
+ return XFA_LAYOUT_FLOAT_MAX;
}
static CXFA_Node* XFA_ResolveBreakTarget(CXFA_Node* pPageSetRoot,
FX_BOOL bNewExprStyle,