Add CXFA_MarginData::Get*Inset helpers

This CL adds Get*Inset helpers to CXFA_MarginData which just return a
default value of 0 if the Try*Inset method fails.

Change-Id: I03b00b7a371c39e521f95952e965b4a3ef71d517
Reviewed-on: https://pdfium-review.googlesource.com/18870
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

2 files changed, 29 insertions, 0 deletions

diff --git a/xfa/fxfa/parser/cxfa_margindata.cpp b/xfa/fxfa/parser/cxfa_margindata.cpp
index 2c5689cfa0..4eedaeb7e7 100644
--- a/xfa/fxfa/parser/cxfa_margindata.cpp
+++ b/xfa/fxfa/parser/cxfa_margindata.cpp
@@ -8,6 +8,30 @@
 
 CXFA_MarginData::CXFA_MarginData(CXFA_Node* pNode) : CXFA_DataData(pNode) {}
 
+float CXFA_MarginData::GetLeftInset() const {
+  float left = 0;
+  TryLeftInset(left);
+  return left;
+}
+
+float CXFA_MarginData::GetTopInset() const {
+  float top = 0;
+  TryTopInset(top);
+  return top;
+}
+
+float CXFA_MarginData::GetRightInset() const {
+  float right = 0;
+  TryRightInset(right);
+  return right;
+}
+
+float CXFA_MarginData::GetBottomInset() const {
+  float bottom = 0;
+  TryBottomInset(bottom);
+  return bottom;
+}
+
 bool CXFA_MarginData::TryLeftInset(float& fInset) const {
   return TryMeasure(XFA_Attribute::LeftInset, fInset);
 }
diff --git a/xfa/fxfa/parser/cxfa_margindata.h b/xfa/fxfa/parser/cxfa_margindata.h
index 6933c3d078..1a8b4d8be1 100644
--- a/xfa/fxfa/parser/cxfa_margindata.h
+++ b/xfa/fxfa/parser/cxfa_margindata.h
@@ -16,6 +16,11 @@ class CXFA_MarginData : public CXFA_DataData {
  public:
   explicit CXFA_MarginData(CXFA_Node* pNode);
 
+  float GetLeftInset() const;
+  float GetTopInset() const;
+  float GetRightInset() const;
+  float GetBottomInset() const;
+
   bool TryLeftInset(float& fInset) const;
   bool TryTopInset(float& fInset) const;
   bool TryRightInset(float& fInset) const;