CFX_FloatPoint default constructor and equals operators

fpdfsdk/fxedit/fxet_edit.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 "fpdfsdk/fxedit/include/fxet_edit.h"
 
 #include <algorithm>
 
@@ skipping 57 matching lines @@
   if (pFont) {
     if (nHorzScale != 100) {
       CFX_Matrix mt(nHorzScale / 100.0f, 0, 0, 1, 0, 0);
       mt.Concat(*pUser2Device);
 
       CPDF_RenderOptions ro;
       ro.m_Flags = RENDER_CLEARTYPE;
       ro.m_ColorMode = RENDER_COLOR_NORMAL;
 
       if (crTextStroke != 0) {
-        CFX_FloatPoint pt1(0, 0), pt2(1, 0);
+        CFX_FloatPoint pt1;
+        CFX_FloatPoint pt2;
         pUser2Device->Transform(pt1.x, pt1.y);
         pUser2Device->Transform(pt2.x, pt2.y);
         CFX_GraphStateData gsd;
         gsd.m_LineWidth =
             (FX_FLOAT)FXSYS_fabs((pt2.x + pt2.y) - (pt1.x + pt1.y));
 
         CPDF_TextRenderer::DrawTextString(pDevice, x, y, pFont, fFontSize, &mt,
                                           str, crTextFill, crTextStroke, &gsd,
                                           &ro);
       } else {
         CPDF_TextRenderer::DrawTextString(pDevice, x, y, pFont, fFontSize, &mt,
                                           str, crTextFill, 0, nullptr, &ro);
       }
     } else {
       CPDF_RenderOptions ro;
       ro.m_Flags = RENDER_CLEARTYPE;
       ro.m_ColorMode = RENDER_COLOR_NORMAL;
 
       if (crTextStroke != 0) {
-        CFX_FloatPoint pt1(0, 0), pt2(1, 0);
+        CFX_FloatPoint pt1;
+        CFX_FloatPoint pt2;
         pUser2Device->Transform(pt1.x, pt1.y);
         pUser2Device->Transform(pt2.x, pt2.y);
         CFX_GraphStateData gsd;
         gsd.m_LineWidth =
             (FX_FLOAT)FXSYS_fabs((pt2.x + pt2.y) - (pt1.x + pt1.y));
 
         CPDF_TextRenderer::DrawTextString(pDevice, x, y, pFont, fFontSize,
                                           pUser2Device, str, crTextFill,
                                           crTextStroke, &gsd, &ro);
       } else {
@@ skipping 566 matching lines @@
                                                  uint16_t SubWord) {
   CFX_Edit_Iterator* pIterator = pEdit->GetIterator();
   if (pRange)
     pIterator->SetAt(pRange->BeginPos);
   else
     pIterator->SetAt(0);
 
   CFX_ByteTextBuf sEditStream;
   CFX_ByteTextBuf sWords;
   int32_t nCurFontIndex = -1;
-  CFX_FloatPoint ptOld(0.0f, 0.0f);
-  CFX_FloatPoint ptNew(0.0f, 0.0f);
+  CFX_FloatPoint ptOld;
+  CFX_FloatPoint ptNew;
   CPVT_WordPlace oldplace;
+
   while (pIterator->NextWord()) {
     CPVT_WordPlace place = pIterator->GetAt();
-
     if (pRange && place.WordCmp(pRange->EndPos) > 0)
       break;
 
     if (bContinuous) {
       if (place.LineCmp(oldplace) != 0) {
         if (sWords.GetSize() > 0) {
           sEditStream << GetWordRenderString(sWords.MakeString());
           sWords.Clear();
         }
 
@@ skipping 129 matching lines @@
 
   FX_COLORREF crCurFill = crTextFill;
   FX_COLORREF crOldFill = crCurFill;
 
   FX_BOOL bSelect = FALSE;
   const FX_COLORREF crWhite = ArgbEncode(255, 255, 255, 255);
   const FX_COLORREF crSelBK = ArgbEncode(255, 0, 51, 113);
 
   CFX_ByteTextBuf sTextBuf;
   int32_t nFontIndex = -1;
-  CFX_FloatPoint ptBT(0.0f, 0.0f);
-
+  CFX_FloatPoint ptBT;
   pDevice->SaveState();
-
   if (!rcClip.IsEmpty()) {
     CFX_FloatRect rcTemp = rcClip;
     pUser2Device->TransformRect(rcTemp);
     pDevice->SetClip_Rect(rcTemp.ToFxRect());
   }
 
   CFX_Edit_Iterator* pIterator = pEdit->GetIterator();
   if (IPVT_FontMap* pFontMap = pEdit->GetFontMap()) {
     if (pRange)
       pIterator->SetAt(pRange->BeginPos);
@@ skipping 144 matching lines @@
   }
 }
 
 CFX_Edit::CFX_Edit()
     : m_pVT(new CPDF_VariableText),
       m_pNotify(nullptr),
       m_pOprNotify(nullptr),
       m_wpCaret(-1, -1, -1),
       m_wpOldCaret(-1, -1, -1),
       m_SelState(),
-      m_ptScrollPos(0, 0),
-      m_ptRefreshScrollPos(0, 0),
       m_bEnableScroll(FALSE),
-      m_ptCaret(0.0f, 0.0f),
       m_Undo(kEditUndoMaxItems),
       m_nAlignment(0),
       m_bNotifyFlag(FALSE),
       m_bEnableOverflow(FALSE),
       m_bEnableRefresh(TRUE),
       m_rcOldContent(0.0f, 0.0f, 0.0f, 0.0f),
       m_bEnableUndo(TRUE),
       m_bOprNotify(FALSE),
       m_pGroupUndoItem(nullptr) {}
 
@@ skipping 547 matching lines @@
     }
   }
 }
 
 void CFX_Edit::ScrollToCaret() {
   SetScrollLimit();
 
   if (!m_pVT->IsValid())
     return;
 
-  CFX_FloatPoint ptHead(0, 0);
-  CFX_FloatPoint ptFoot(0, 0);
-
   CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
   pIterator->SetAt(m_wpCaret);
 
+  CFX_FloatPoint ptHead;
+  CFX_FloatPoint ptFoot;
   CPVT_Word word;
   CPVT_Line line;
   if (pIterator->GetWord(word)) {
     ptHead.x = word.ptWord.x + word.fWidth;
     ptHead.y = word.ptWord.y + word.fAscent;
     ptFoot.x = word.ptWord.x + word.fWidth;
     ptFoot.y = word.ptWord.y + word.fDescent;
   } else if (pIterator->GetLine(line)) {
     ptHead.x = line.ptLine.x;
     ptHead.y = line.ptLine.y + line.fLineAscent;
     ptFoot.x = line.ptLine.x;
     ptFoot.y = line.ptLine.y + line.fLineDescent;
   }
 
   CFX_FloatPoint ptHeadEdit = VTToEdit(ptHead);
   CFX_FloatPoint ptFootEdit = VTToEdit(ptFoot);
-
   CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
-
   if (!IsFloatEqual(rcPlate.left, rcPlate.right)) {
     if (IsFloatSmaller(ptHeadEdit.x, rcPlate.left) ||
         IsFloatEqual(ptHeadEdit.x, rcPlate.left)) {
       SetScrollPosX(ptHead.x);
     } else if (IsFloatBigger(ptHeadEdit.x, rcPlate.right)) {
       SetScrollPosX(ptHead.x - rcPlate.Width());
     }
   }
 
   if (!IsFloatEqual(rcPlate.top, rcPlate.bottom)) {
@@ skipping 117 matching lines @@
 }
 
 void CFX_Edit::SetCaret(const CPVT_WordPlace& place) {
   m_wpOldCaret = m_wpCaret;
   m_wpCaret = place;
 }
 
 void CFX_Edit::SetCaretInfo() {
   if (m_pNotify) {
     if (!m_bNotifyFlag) {
-      CFX_FloatPoint ptHead(0.0f, 0.0f), ptFoot(0.0f, 0.0f);
-
       CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
       pIterator->SetAt(m_wpCaret);
+
+      CFX_FloatPoint ptHead;
+      CFX_FloatPoint ptFoot;
       CPVT_Word word;
       CPVT_Line line;
       if (pIterator->GetWord(word)) {
         ptHead.x = word.ptWord.x + word.fWidth;
         ptHead.y = word.ptWord.y + word.fAscent;
         ptFoot.x = word.ptWord.x + word.fWidth;
         ptFoot.y = word.ptWord.y + word.fDescent;
       } else if (pIterator->GetLine(line)) {
         ptHead.x = line.ptLine.x;
         ptHead.y = line.ptLine.y + line.fLineAscent;
@@ skipping 774 matching lines @@
 int32_t CFX_Edit_RectArray::GetSize() const {
   return m_Rects.GetSize();
 }
 
 CFX_FloatRect* CFX_Edit_RectArray::GetAt(int32_t nIndex) const {
   if (nIndex < 0 || nIndex >= m_Rects.GetSize())
     return nullptr;
 
   return m_Rects.GetAt(nIndex);
 }