Remove FXSYS_Mul.

core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "core/src/fpdfapi/fpdf_page/pageint.h"
 
 #include "core/include/fpdfapi/fpdf_module.h"
 #include "core/include/fpdfapi/fpdf_page.h"
@@ skipping 1333 matching lines @@
                                              FX_FLOAT fInitKerning,
                                              FX_FLOAT* pKerning,
                                              int nsegs) {
   CPDF_Font* pFont = m_pCurStates->m_TextState.GetFont();
   if (!pFont) {
     return;
   }
   if (fInitKerning != 0) {
     if (!pFont->IsVertWriting()) {
       m_pCurStates->m_TextX -=
-          FXSYS_Mul(fInitKerning, m_pCurStates->m_TextState.GetFontSize()) /
-          1000;
+          (fInitKerning * m_pCurStates->m_TextState.GetFontSize()) / 1000;
     } else {
       m_pCurStates->m_TextY -=
-          FXSYS_Mul(fInitKerning, m_pCurStates->m_TextState.GetFontSize()) /
-          1000;
+          (fInitKerning * m_pCurStates->m_TextState.GetFontSize()) / 1000;
     }
   }
   if (nsegs == 0) {
     return;
   }
   int textmode;
   if (pFont->GetFontType() == PDFFONT_TYPE3) {
     textmode = 0;
   } else {
     textmode = m_pCurStates->m_TextState.GetObject()->m_TextMode;
@@ skipping 19 matching lines @@
                             m_pCurStates->m_TextHorzScale, m_Level);
     m_pCurStates->m_TextX += x_advance;
     m_pCurStates->m_TextY += y_advance;
     if (textmode > 3)
       m_ClipTextList.Add(pText->Clone());
     m_pObjectHolder->GetPageObjectList()->push_back(std::move(pText));
   }
   if (pKerning && pKerning[nsegs - 1] != 0) {
     if (!pFont->IsVertWriting()) {
       m_pCurStates->m_TextX -=
-          FXSYS_Mul(pKerning[nsegs - 1],
-                    m_pCurStates->m_TextState.GetFontSize()) /
+          (pKerning[nsegs - 1] * m_pCurStates->m_TextState.GetFontSize()) /
           1000;
     } else {
       m_pCurStates->m_TextY -=
-          FXSYS_Mul(pKerning[nsegs - 1],
-                    m_pCurStates->m_TextState.GetFontSize()) /
+          (pKerning[nsegs - 1] * m_pCurStates->m_TextState.GetFontSize()) /
           1000;
     }
   }
 }
 
 void CPDF_StreamContentParser::Handle_ShowText() {
   CFX_ByteString str = GetString(0);
   if (str.IsEmpty()) {
     return;
   }
   AddTextObject(&str, 0, NULL, 1);
 }
 
 void CPDF_StreamContentParser::Handle_ShowText_Positioning() {
   CPDF_Array* pArray = GetObject(0) ? GetObject(0)->GetArray() : NULL;
   if (!pArray) {
     return;
   }
   int n = pArray->GetCount();
   int nsegs = 0;
   for (int i = 0; i < n; i++) {
     if (pArray->GetElementValue(i)->IsString())
       nsegs++;
   }
   if (nsegs == 0) {
     for (int i = 0; i < n; i++) {
       m_pCurStates->m_TextX -=
-          FXSYS_Mul(pArray->GetNumberAt(i),
-                    m_pCurStates->m_TextState.GetFontSize()) /
+          (pArray->GetNumberAt(i) * m_pCurStates->m_TextState.GetFontSize()) /
           1000;
     }
     return;
   }
   CFX_ByteString* pStrs = new CFX_ByteString[nsegs];
   FX_FLOAT* pKerning = FX_Alloc(FX_FLOAT, nsegs);
   int iSegment = 0;
   FX_FLOAT fInitKerning = 0;
   for (int i = 0; i < n; i++) {
     CPDF_Object* pObj = pArray->GetElementValue(i);
@@ skipping 371 matching lines @@
         } else {
           PDF_ReplaceAbbr(pElement);
         }
       }
       break;
     }
     default:
       break;
   }
 }