Convert CPDF_TextObject to CFX_PointF

This CL converts the OriginX and OriginY from CPDF_TextObjectItem to use a
CFX_PointF instead of two floats.

Change-Id: Id39de18d3d908a86f925bec68d0680392f70906e
Reviewed-on: https://pdfium-review.googlesource.com/2715
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>

3 files changed, 27 insertions, 26 deletions

diff --git a/core/fpdfapi/page/cpdf_pageobject.h b/core/fpdfapi/page/cpdf_pageobject.h
index ffc59f4eee..d2b84a5d40 100644
--- a/core/fpdfapi/page/cpdf_pageobject.h
+++ b/core/fpdfapi/page/cpdf_pageobject.h
@@ -51,6 +51,10 @@ class CPDF_PageObject : public CPDF_GraphicStates {
 
   void TransformClipPath(CFX_Matrix& matrix);
   void TransformGeneralState(CFX_Matrix& matrix);
+
+  CFX_FloatRect GetRect() const {
+    return CFX_FloatRect(m_Left, m_Bottom, m_Right, m_Top);
+  }
   FX_RECT GetBBox(const CFX_Matrix* pMatrix) const;
 
   FX_FLOAT m_Left;
diff --git a/core/fpdfapi/page/cpdf_textobject.cpp b/core/fpdfapi/page/cpdf_textobject.cpp
index 2ca996b2d4..a84deb27c7 100644
--- a/core/fpdfapi/page/cpdf_textobject.cpp
+++ b/core/fpdfapi/page/cpdf_textobject.cpp
@@ -13,10 +13,13 @@
 #include "third_party/base/ptr_util.h"
 #include "third_party/base/stl_util.h"
 
+CPDF_TextObjectItem::CPDF_TextObjectItem() : m_CharCode(0) {}
+
+CPDF_TextObjectItem::~CPDF_TextObjectItem() = default;
+
 CPDF_TextObject::CPDF_TextObject() {}
 
-CPDF_TextObject::~CPDF_TextObject() {
-}
+CPDF_TextObject::~CPDF_TextObject() {}
 
 int CPDF_TextObject::CountItems() const {
   return pdfium::CollectionSize<int>(m_CharCodes);
@@ -24,26 +27,26 @@ int CPDF_TextObject::CountItems() const {
 
 void CPDF_TextObject::GetItemInfo(int index, CPDF_TextObjectItem* pInfo) const {
   pInfo->m_CharCode = m_CharCodes[index];
-  pInfo->m_OriginX = index ? m_CharPos[index - 1] : 0;
-  pInfo->m_OriginY = 0;
+  pInfo->m_Origin = CFX_PointF(index ? m_CharPos[index - 1] : 0, 0);
   if (pInfo->m_CharCode == CPDF_Font::kInvalidCharCode)
     return;
 
   CPDF_Font* pFont = m_TextState.GetFont();
-  if (!pFont->IsCIDFont()) {
+  if (!pFont->IsCIDFont())
     return;
-  }
-  if (!pFont->AsCIDFont()->IsVertWriting()) {
+  if (!pFont->AsCIDFont()->IsVertWriting())
     return;
-  }
+
   uint16_t CID = pFont->AsCIDFont()->CIDFromCharCode(pInfo->m_CharCode);
-  pInfo->m_OriginY = pInfo->m_OriginX;
-  pInfo->m_OriginX = 0;
-  short vx, vy;
+  pInfo->m_Origin = CFX_PointF(0, pInfo->m_Origin.x);
+
+  short vx;
+  short vy;
   pFont->AsCIDFont()->GetVertOrigin(CID, vx, vy);
+
   FX_FLOAT fontsize = m_TextState.GetFontSize();
-  pInfo->m_OriginX -= fontsize * vx / 1000;
-  pInfo->m_OriginY -= fontsize * vy / 1000;
+  pInfo->m_Origin.x -= fontsize * vx / 1000;
+  pInfo->m_Origin.y -= fontsize * vy / 1000;
 }
 
 int CPDF_TextObject::CountChars() const {
@@ -177,14 +180,6 @@ FX_FLOAT CPDF_TextObject::GetCharWidth(uint32_t charcode) const {
   return pCIDFont->GetVertWidth(CID) * fontsize;
 }
 
-FX_FLOAT CPDF_TextObject::GetPosX() const {
-  return m_Pos.x;
-}
-
-FX_FLOAT CPDF_TextObject::GetPosY() const {
-  return m_Pos.y;
-}
-
 CPDF_Font* CPDF_TextObject::GetFont() const {
   return m_TextState.GetFont();
 }
diff --git a/core/fpdfapi/page/cpdf_textobject.h b/core/fpdfapi/page/cpdf_textobject.h
index 07a2aabbe2..756187046b 100644
--- a/core/fpdfapi/page/cpdf_textobject.h
+++ b/core/fpdfapi/page/cpdf_textobject.h
@@ -14,10 +14,13 @@
 #include "core/fxcrt/fx_string.h"
 #include "core/fxcrt/fx_system.h"
 
-struct CPDF_TextObjectItem {
+class CPDF_TextObjectItem {
+ public:
+  CPDF_TextObjectItem();
+  ~CPDF_TextObjectItem();
+
   uint32_t m_CharCode;
-  FX_FLOAT m_OriginX;
-  FX_FLOAT m_OriginY;
+  CFX_PointF m_Origin;
 };
 
 class CPDF_TextObject : public CPDF_PageObject {
@@ -39,8 +42,7 @@ class CPDF_TextObject : public CPDF_PageObject {
   void GetCharInfo(int index, uint32_t* charcode, FX_FLOAT* kerning) const;
   void GetCharInfo(int index, CPDF_TextObjectItem* pInfo) const;
   FX_FLOAT GetCharWidth(uint32_t charcode) const;
-  FX_FLOAT GetPosX() const;
-  FX_FLOAT GetPosY() const;
+  CFX_PointF GetPos() const { return m_Pos; }
   CFX_Matrix GetTextMatrix() const;
   CPDF_Font* GetFont() const;
   FX_FLOAT GetFontSize() const;