diff --git a/xfa/fxfa/cxfa_textlayout.cpp b/xfa/fxfa/cxfa_textlayout.cpp
index d181683..786a8fe 100644
--- a/xfa/fxfa/cxfa_textlayout.cpp
+++ b/xfa/fxfa/cxfa_textlayout.cpp
@@ -347,10 +347,9 @@
   int32_t iLineIndex = 0;
   if (iBlockCount > 0) {
     if (iBlockCount >= iBlockIndex + 1) {
-      iLineIndex = GetBlockIndex(iBlockIndex);
+      iLineIndex = m_Blocks[iBlockIndex].iIndex;
     } else {
-      int32_t iLast = iBlockCount - 1;
-      iLineIndex = GetBlockIndex(iLast) + GetBlockLength(iLast);
+      iLineIndex = GetNextIndexForLastBlockData();
     }
     if (!m_pLoader->blockHeights.empty()) {
       for (int32_t i = 0; i < iBlockIndex; i++)
@@ -374,12 +373,10 @@
       continue;
     }
 
-    if (iBlockCount >= iBlockIndex + 1) {
-      GetBlockIndex(iBlockIndex) = iLineIndex;
-      GetBlockLength(iBlockIndex) = i - iLineIndex;
-    } else {
+    if (iBlockCount >= iBlockIndex + 1)
+      m_Blocks[iBlockIndex] = {iLineIndex, i - iLineIndex};
+    else
       m_Blocks.push_back({iLineIndex, i - iLineIndex});
-    }
 
     if (i != iLineIndex)
       return fLinePos;
@@ -404,6 +401,10 @@
   return iCount > 0 ? iCount : 1;
 }
 
+int32_t CXFA_TextLayout::GetNextIndexForLastBlockData() const {
+  return m_Blocks.back().iIndex + m_Blocks.back().iLength;
+}
+
 CFX_SizeF CXFA_TextLayout::CalcSize(const CFX_SizeF& minSize,
                                     const CFX_SizeF& maxSize) {
   float width = maxSize.width;
@@ -466,14 +467,14 @@
 
     m_pLoader->iChar = 0;
     if (iCount > 0)
-      m_pLoader->iTotalLines = GetBlockLength(iBlock);
+      m_pLoader->iTotalLines = m_Blocks[iBlock].iLength;
 
     Loader(szText.width, &fLinePos, true);
     if (iCount == 0 && m_pLoader->fStartLineOffset < 0.1f)
       UpdateAlign(szText.height, fLinePos);
   } else if (m_pTextDataNode) {
     if (iBlock < iCount - 1)
-      m_pLoader->iTotalLines = GetBlockLength(iBlock);
+      m_pLoader->iTotalLines = m_Blocks[iBlock].iLength;
 
     m_pBreak->Reset();
     if (m_bRichText) {
@@ -549,8 +550,7 @@
     } else {
       fLinePos = 0;
     }
-    int32_t iLast = pdfium::CollectionSize<int32_t>(m_Blocks) - 1;
-    iLineIndex = GetBlockIndex(iLast) + GetBlockLength(iLast);
+    iLineIndex = GetNextIndexForLastBlockData();
   }
 
   int32_t i = 0;
@@ -589,8 +589,8 @@
   int32_t iPieceLines = pdfium::CollectionSize<int32_t>(m_pieceLines);
   if (!m_Blocks.empty()) {
     if (iBlock < pdfium::CollectionSize<int32_t>(m_Blocks)) {
-      iLineStart = GetBlockIndex(iBlock);
-      iPieceLines = GetBlockLength(iBlock);
+      iLineStart = m_Blocks[iBlock].iIndex;
+      iPieceLines = m_Blocks[iBlock].iLength;
     } else {
       iPieceLines = 0;
     }
diff --git a/xfa/fxfa/cxfa_textlayout.h b/xfa/fxfa/cxfa_textlayout.h
index fd60005..777ec1e 100644
--- a/xfa/fxfa/cxfa_textlayout.h
+++ b/xfa/fxfa/cxfa_textlayout.h
@@ -116,8 +116,7 @@
   void DoTabstops(CFX_CSSComputedStyle* pStyle, CXFA_PieceLine* pPieceLine);
   bool Layout(int32_t iBlock);
   int32_t CountBlocks() const;
-  int32_t& GetBlockIndex(int32_t index) { return m_Blocks[index].iIndex; }
-  int32_t& GetBlockLength(int32_t index) { return m_Blocks[index].iLength; }
+  int GetNextIndexForLastBlockData() const;
 
   bool m_bHasBlock = false;
   bool m_bRichText = false;