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authorweili <weili@chromium.org>2016-08-04 15:43:59 -0700
committerCommit bot <commit-bot@chromium.org>2016-08-04 15:43:59 -0700
commitcddf8253692d3beaa97a502c8b60c1d18f81664a (patch)
treebaa5b2456a1bdfec97fa97be2ef07eb3295a82d7 /xfa/fde/tto/fde_textout.cpp
parent32e693fe13105fab5baf81b334e932fce62d89b5 (diff)
downloadpdfium-cddf8253692d3beaa97a502c8b60c1d18f81664a.tar.xz
Use smart pointers for class owned pointers under xfa/fde
Use smart pointer to replace raw pointer type for class owned member variables so that memory management will be easier. BUG=pdfium:518 Review-Url: https://codereview.chromium.org/2208423002
Diffstat (limited to 'xfa/fde/tto/fde_textout.cpp')
-rw-r--r--xfa/fde/tto/fde_textout.cpp134
1 files changed, 74 insertions, 60 deletions
diff --git a/xfa/fde/tto/fde_textout.cpp b/xfa/fde/tto/fde_textout.cpp
index a29a420216..c83afc1ad6 100644
--- a/xfa/fde/tto/fde_textout.cpp
+++ b/xfa/fde/tto/fde_textout.cpp
@@ -18,17 +18,14 @@
#include "xfa/fgas/layout/fgas_textbreak.h"
CFDE_TextOut::CFDE_TextOut()
- : m_pFont(nullptr),
+ : m_pTxtBreak(new CFX_TxtBreak(FX_TXTBREAKPOLICY_None)),
+ m_pFont(nullptr),
m_fFontSize(12.0f),
m_fLineSpace(m_fFontSize),
m_fLinePos(0.0f),
m_fTolerance(0.0f),
m_iAlignment(0),
m_iTxtBkAlignment(0),
- m_pCharWidths(nullptr),
- m_iChars(0),
- m_pEllCharWidths(nullptr),
- m_iEllChars(0),
m_wParagraphBkChar(L'\n'),
m_TxtColor(0xFF000000),
m_dwStyles(0),
@@ -38,34 +35,32 @@ CFDE_TextOut::CFDE_TextOut()
m_ttoLines(5),
m_iCurLine(0),
m_iCurPiece(0),
- m_iTotalLines(0),
- m_pCharPos(nullptr),
- m_iCharPosSize(0) {
- m_pTxtBreak = new CFX_TxtBreak(FX_TXTBREAKPOLICY_None);
+ m_iTotalLines(0) {
m_Matrix.SetIdentity();
m_rtClip.Reset();
m_rtLogicClip.Reset();
}
+
CFDE_TextOut::~CFDE_TextOut() {
- delete m_pTxtBreak;
- FX_Free(m_pCharWidths);
- FX_Free(m_pEllCharWidths);
- FX_Free(m_pCharPos);
m_ttoLines.RemoveAll(FALSE);
}
+
void CFDE_TextOut::SetFont(CFGAS_GEFont* pFont) {
ASSERT(pFont);
m_pFont = pFont;
m_pTxtBreak->SetFont(pFont);
}
+
void CFDE_TextOut::SetFontSize(FX_FLOAT fFontSize) {
ASSERT(fFontSize > 0);
m_fFontSize = fFontSize;
m_pTxtBreak->SetFontSize(fFontSize);
}
+
void CFDE_TextOut::SetTextColor(FX_ARGB color) {
m_TxtColor = color;
}
+
void CFDE_TextOut::SetStyles(uint32_t dwStyles) {
m_dwStyles = dwStyles;
m_dwTxtBkStyles = 0;
@@ -90,18 +85,22 @@ void CFDE_TextOut::SetStyles(uint32_t dwStyles) {
}
m_pTxtBreak->SetLayoutStyles(m_dwTxtBkStyles);
}
+
void CFDE_TextOut::SetTabWidth(FX_FLOAT fTabWidth) {
ASSERT(fTabWidth > 1.0f);
m_pTxtBreak->SetTabWidth(fTabWidth, FALSE);
}
+
void CFDE_TextOut::SetEllipsisString(const CFX_WideString& wsEllipsis) {
m_bElliChanged = TRUE;
m_wsEllipsis = wsEllipsis;
}
+
void CFDE_TextOut::SetParagraphBreakChar(FX_WCHAR wch) {
m_wParagraphBkChar = wch;
m_pTxtBreak->SetParagraphBreakChar(wch);
}
+
void CFDE_TextOut::SetAlignment(int32_t iAlignment) {
m_iAlignment = iAlignment;
switch (m_iAlignment) {
@@ -121,6 +120,7 @@ void CFDE_TextOut::SetAlignment(int32_t iAlignment) {
}
m_pTxtBreak->SetAlignment(m_iTxtBkAlignment);
}
+
void CFDE_TextOut::SetLineSpace(FX_FLOAT fLineSpace) {
ASSERT(fLineSpace > 1.0f);
m_fLineSpace = fLineSpace;
@@ -144,22 +144,28 @@ void CFDE_TextOut::SetClipRect(const CFX_Rect& rtClip) {
m_rtClip.Set((FX_FLOAT)rtClip.left, (FX_FLOAT)rtClip.top,
(FX_FLOAT)rtClip.Width(), (FX_FLOAT)rtClip.Height());
}
+
void CFDE_TextOut::SetClipRect(const CFX_RectF& rtClip) {
m_rtClip = rtClip;
}
+
void CFDE_TextOut::SetLogicClipRect(const CFX_RectF& rtClip) {
m_rtLogicClip = rtClip;
}
+
void CFDE_TextOut::SetMatrix(const CFX_Matrix& matrix) {
m_Matrix = matrix;
}
+
void CFDE_TextOut::SetLineBreakTolerance(FX_FLOAT fTolerance) {
m_fTolerance = fTolerance;
m_pTxtBreak->SetLineBreakTolerance(m_fTolerance);
}
+
int32_t CFDE_TextOut::GetTotalLines() {
return m_iTotalLines;
}
+
void CFDE_TextOut::CalcSize(const FX_WCHAR* pwsStr,
int32_t iLength,
CFX_Size& size) {
@@ -169,6 +175,7 @@ void CFDE_TextOut::CalcSize(const FX_WCHAR* pwsStr,
size.x = (int32_t)rtText.Width();
size.y = (int32_t)rtText.Height();
}
+
void CFDE_TextOut::CalcSize(const FX_WCHAR* pwsStr,
int32_t iLength,
CFX_SizeF& size) {
@@ -178,6 +185,7 @@ void CFDE_TextOut::CalcSize(const FX_WCHAR* pwsStr,
size.x = rtText.Width();
size.y = rtText.Height();
}
+
void CFDE_TextOut::CalcSize(const FX_WCHAR* pwsStr,
int32_t iLength,
CFX_Rect& rect) {
@@ -188,6 +196,7 @@ void CFDE_TextOut::CalcSize(const FX_WCHAR* pwsStr,
rect.Set((int32_t)rtText.left, (int32_t)rtText.top, (int32_t)rtText.Width(),
(int32_t)rtText.Height());
}
+
void CFDE_TextOut::CalcSize(const FX_WCHAR* pwsStr,
int32_t iLength,
CFX_RectF& rect) {
@@ -202,6 +211,7 @@ void CFDE_TextOut::CalcSize(const FX_WCHAR* pwsStr,
m_Matrix.TransformRect(rect);
}
}
+
void CFDE_TextOut::CalcLogicSize(const FX_WCHAR* pwsStr,
int32_t iLength,
CFX_SizeF& size) {
@@ -211,6 +221,7 @@ void CFDE_TextOut::CalcLogicSize(const FX_WCHAR* pwsStr,
size.x = rtText.Width();
size.y = rtText.Height();
}
+
void CFDE_TextOut::CalcLogicSize(const FX_WCHAR* pwsStr,
int32_t iLength,
CFX_RectF& rect) {
@@ -221,6 +232,7 @@ void CFDE_TextOut::CalcLogicSize(const FX_WCHAR* pwsStr,
CalcTextSize(pwsStr, iLength, rect);
}
}
+
void CFDE_TextOut::CalcTextSize(const FX_WCHAR* pwsStr,
int32_t iLength,
CFX_RectF& rect) {
@@ -283,6 +295,7 @@ void CFDE_TextOut::CalcTextSize(const FX_WCHAR* pwsStr,
}
}
}
+
void CFDE_TextOut::SetLineWidth(CFX_RectF& rect) {
if ((m_dwStyles & FDE_TTOSTYLE_SingleLine) == 0) {
FX_FLOAT fLineWidth = 0.0f;
@@ -300,6 +313,7 @@ void CFDE_TextOut::SetLineWidth(CFX_RectF& rect) {
m_pTxtBreak->SetLineWidth(fLineWidth);
}
}
+
FX_BOOL CFDE_TextOut::RetrieveLineWidth(uint32_t dwBreakStatus,
FX_FLOAT& fStartPos,
FX_FLOAT& fWidth,
@@ -330,6 +344,7 @@ FX_BOOL CFDE_TextOut::RetrieveLineWidth(uint32_t dwBreakStatus,
m_iTotalLines++;
return TRUE;
}
+
void CFDE_TextOut::DrawText(const FX_WCHAR* pwsStr,
int32_t iLength,
int32_t x,
@@ -339,6 +354,7 @@ void CFDE_TextOut::DrawText(const FX_WCHAR* pwsStr,
m_fFontSize * 1000.0f);
DrawText(pwsStr, iLength, rtText);
}
+
void CFDE_TextOut::DrawText(const FX_WCHAR* pwsStr,
int32_t iLength,
FX_FLOAT x,
@@ -347,6 +363,7 @@ void CFDE_TextOut::DrawText(const FX_WCHAR* pwsStr,
rtText.Set(x, y, m_fFontSize * 1000.0f, m_fFontSize * 1000.0f);
DrawText(pwsStr, iLength, rtText);
}
+
void CFDE_TextOut::DrawText(const FX_WCHAR* pwsStr,
int32_t iLength,
const CFX_Rect& rect) {
@@ -355,6 +372,7 @@ void CFDE_TextOut::DrawText(const FX_WCHAR* pwsStr,
(FX_FLOAT)rect.height);
DrawText(pwsStr, iLength, rtText);
}
+
void CFDE_TextOut::DrawText(const FX_WCHAR* pwsStr,
int32_t iLength,
const CFX_RectF& rect) {
@@ -365,6 +383,7 @@ void CFDE_TextOut::DrawText(const FX_WCHAR* pwsStr,
rm.TransformRect(rtText);
DrawText(pwsStr, iLength, rtText, m_rtClip);
}
+
void CFDE_TextOut::DrawLogicText(const FX_WCHAR* pwsStr,
int32_t iLength,
FX_FLOAT x,
@@ -373,6 +392,7 @@ void CFDE_TextOut::DrawLogicText(const FX_WCHAR* pwsStr,
rtText.Set(x, y, m_fFontSize * 1000.0f, m_fFontSize * 1000.0f);
DrawLogicText(pwsStr, iLength, rtText);
}
+
void CFDE_TextOut::DrawLogicText(const FX_WCHAR* pwsStr,
int32_t iLength,
const CFX_RectF& rect) {
@@ -382,6 +402,7 @@ void CFDE_TextOut::DrawLogicText(const FX_WCHAR* pwsStr,
m_Matrix.TransformRect(rtClip);
DrawText(pwsStr, iLength, rect, rtClip);
}
+
void CFDE_TextOut::DrawText(const FX_WCHAR* pwsStr,
int32_t iLength,
const CFX_RectF& rect,
@@ -408,39 +429,26 @@ void CFDE_TextOut::DrawText(const FX_WCHAR* pwsStr,
DoAlignment(rect);
OnDraw(rtClip);
}
+
void CFDE_TextOut::ExpandBuffer(int32_t iSize, int32_t iType) {
+ ASSERT(iSize >= 0);
+ size_t size = iSize;
switch (iType) {
case 0:
- if (!m_pCharWidths) {
- m_pCharWidths = FX_Alloc(int32_t, iSize);
- m_iChars = iSize;
- } else if (m_iChars < iSize) {
- m_pCharWidths = FX_Realloc(int32_t, m_pCharWidths, iSize);
- m_iChars = iSize;
- }
- FXSYS_memset(m_pCharWidths, 0, iSize * sizeof(int32_t));
+ if (m_CharWidths.size() < size)
+ m_CharWidths.resize(size, 0);
break;
case 1:
- if (!m_pEllCharWidths) {
- m_pEllCharWidths = FX_Alloc(int32_t, iSize);
- m_iEllChars = iSize;
- } else if (m_iEllChars < iSize) {
- m_pEllCharWidths = FX_Realloc(int32_t, m_pEllCharWidths, iSize);
- m_iEllChars = iSize;
- }
- FXSYS_memset(m_pEllCharWidths, 0, iSize * sizeof(int32_t));
+ if (m_EllCharWidths.size() < size)
+ m_EllCharWidths.resize(size, 0);
break;
case 2:
- if (!m_pCharPos) {
- m_pCharPos = FX_Alloc(FXTEXT_CHARPOS, iSize);
- m_iCharPosSize = iSize;
- } else if (m_iCharPosSize < iSize) {
- m_pCharPos = FX_Realloc(FXTEXT_CHARPOS, m_pCharPos, iSize);
- m_iCharPosSize = iSize;
- }
+ if (m_CharPos.size() < size)
+ m_CharPos.resize(size, FXTEXT_CHARPOS());
break;
}
}
+
void CFDE_TextOut::LoadEllipsis() {
if (!m_bElliChanged) {
return;
@@ -453,41 +461,36 @@ void CFDE_TextOut::LoadEllipsis() {
}
ExpandBuffer(iLength, 1);
const FX_WCHAR* pStr = m_wsEllipsis.c_str();
- int32_t* pCharWidths = m_pEllCharWidths;
uint32_t dwBreakStatus;
FX_WCHAR wch;
while (iLength-- > 0) {
wch = *pStr++;
dwBreakStatus = m_pTxtBreak->AppendChar(wch);
- if (dwBreakStatus > FX_TXTBREAK_PieceBreak) {
- RetrieveEllPieces(pCharWidths);
- }
+ if (dwBreakStatus > FX_TXTBREAK_PieceBreak)
+ RetrieveEllPieces(&m_EllCharWidths);
}
dwBreakStatus = m_pTxtBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
- if (dwBreakStatus > FX_TXTBREAK_PieceBreak) {
- RetrieveEllPieces(pCharWidths);
- }
+ if (dwBreakStatus > FX_TXTBREAK_PieceBreak)
+ RetrieveEllPieces(&m_EllCharWidths);
m_pTxtBreak->Reset();
}
-void CFDE_TextOut::RetrieveEllPieces(int32_t*& pCharWidths) {
+
+void CFDE_TextOut::RetrieveEllPieces(std::vector<int32_t>* pCharWidths) {
int32_t iCount = m_pTxtBreak->CountBreakPieces();
- CFX_Char* pTC;
+ int32_t iCharIndex = 0;
for (int32_t i = 0; i < iCount; i++) {
const CFX_TxtPiece* pPiece = m_pTxtBreak->GetBreakPiece(i);
int32_t iPieceChars = pPiece->GetLength();
for (int32_t j = 0; j < iPieceChars; j++) {
- pTC = pPiece->GetCharPtr(j);
- if (pTC->m_iCharWidth <= 0) {
- *pCharWidths = 0;
- } else {
- *pCharWidths = pTC->m_iCharWidth;
- }
- m_iEllipsisWidth += *pCharWidths;
- pCharWidths++;
+ CFX_Char* pTC = pPiece->GetCharPtr(j);
+ (*pCharWidths)[iCharIndex] = std::max(pTC->m_iCharWidth, 0);
+ m_iEllipsisWidth += (*pCharWidths)[iCharIndex];
+ iCharIndex++;
}
}
m_pTxtBreak->ClearBreakPieces();
}
+
void CFDE_TextOut::LoadText(const FX_WCHAR* pwsStr,
int32_t iLength,
const CFX_RectF& rect) {
@@ -551,6 +554,7 @@ void CFDE_TextOut::LoadText(const FX_WCHAR* pwsStr,
m_pTxtBreak->Reset();
m_wsText.ReleaseBuffer(iLength);
}
+
FX_BOOL CFDE_TextOut::RetriecePieces(uint32_t dwBreakStatus,
int32_t& iStartChar,
int32_t& iPieceWidths,
@@ -585,7 +589,7 @@ FX_BOOL CFDE_TextOut::RetriecePieces(uint32_t dwBreakStatus,
}
}
iWidth += iCurCharWidth;
- m_pCharWidths[iChar++] = iCurCharWidth;
+ m_CharWidths[iChar++] = iCurCharWidth;
}
if (j == 0 && !bReload) {
CFDE_TTOLine* pLine = m_ttoLines.GetPtrAt(m_iCurLine);
@@ -621,6 +625,7 @@ FX_BOOL CFDE_TextOut::RetriecePieces(uint32_t dwBreakStatus,
dwBreakStatus == FX_TXTBREAK_ParagraphBreak;
return bRet;
}
+
void CFDE_TextOut::AppendPiece(const FDE_TTOPIECE& ttoPiece,
FX_BOOL bNeedReload,
FX_BOOL bEnd) {
@@ -644,6 +649,7 @@ void CFDE_TextOut::AppendPiece(const FDE_TTOPIECE& ttoPiece,
m_iCurPiece = 0;
}
}
+
void CFDE_TextOut::ReplaceWidthEllipsis() {
LoadEllipsis();
int32_t iLength = m_wsEllipsis.GetLength();
@@ -670,14 +676,14 @@ void CFDE_TextOut::ReplaceWidthEllipsis() {
break;
}
int32_t index = pPiece->iStartChar + j;
- iCharWidth += m_pCharWidths[index];
+ iCharWidth += m_CharWidths[index];
iCharCount++;
if (iCharCount <= iLength) {
m_wsText.SetAt(index, m_wsEllipsis.GetAt(iEllipsisCharIndex));
- m_pCharWidths[index] = m_pEllCharWidths[iEllipsisCharIndex];
+ m_CharWidths[index] = m_EllCharWidths[iEllipsisCharIndex];
} else if (iCharWidth <= m_iEllipsisWidth) {
m_wsText.SetAt(index, 0);
- m_pCharWidths[index] = 0;
+ m_CharWidths[index] = 0;
}
iEllipsisCharIndex--;
}
@@ -687,6 +693,7 @@ void CFDE_TextOut::ReplaceWidthEllipsis() {
}
}
}
+
void CFDE_TextOut::Reload(const CFX_RectF& rect) {
int32_t iCount = m_ttoLines.GetSize();
for (int32_t i = 0; i < iCount; i++) {
@@ -699,6 +706,7 @@ void CFDE_TextOut::Reload(const CFX_RectF& rect) {
ReloadLinePiece(pLine, rect);
}
}
+
void CFDE_TextOut::ReloadLinePiece(CFDE_TTOLine* pLine, const CFX_RectF& rect) {
const FX_WCHAR* pwsStr = m_wsText.c_str();
FX_BOOL bVertical = !!(m_dwStyles & FDE_TTOSTYLE_VerticalLayout);
@@ -730,6 +738,7 @@ void CFDE_TextOut::ReloadLinePiece(CFDE_TTOLine* pLine, const CFX_RectF& rect) {
}
m_pTxtBreak->Reset();
}
+
void CFDE_TextOut::DoAlignment(const CFX_RectF& rect) {
FX_BOOL bVertical = !!(m_dwStyles & FDE_TTOSTYLE_VerticalLayout);
FX_FLOAT fLineStopS = bVertical ? rect.right() : rect.bottom();
@@ -763,6 +772,7 @@ void CFDE_TextOut::DoAlignment(const CFX_RectF& rect) {
}
}
}
+
void CFDE_TextOut::OnDraw(const CFX_RectF& rtClip) {
if (!m_pRenderDevice)
return;
@@ -788,7 +798,7 @@ void CFDE_TextOut::OnDraw(const CFX_RectF& rtClip) {
int32_t iCount = GetDisplayPos(pPiece);
if (iCount > 0) {
- m_pRenderDevice->DrawString(pBrush, m_pFont, m_pCharPos, iCount,
+ m_pRenderDevice->DrawString(pBrush, m_pFont, m_CharPos.data(), iCount,
m_fFontSize, &m_Matrix);
}
DrawLine(pPiece, pPen);
@@ -802,7 +812,7 @@ void CFDE_TextOut::OnDraw(const CFX_RectF& rtClip) {
int32_t CFDE_TextOut::GetDisplayPos(FDE_TTOPIECE* pPiece) {
FX_TXTRUN tr = ToTextRun(pPiece);
ExpandBuffer(tr.iLength, 2);
- return m_pTxtBreak->GetDisplayPos(&tr, m_pCharPos);
+ return m_pTxtBreak->GetDisplayPos(&tr, m_CharPos.data());
}
int32_t CFDE_TextOut::GetCharRects(const FDE_TTOPIECE* pPiece) {
@@ -814,7 +824,7 @@ int32_t CFDE_TextOut::GetCharRects(const FDE_TTOPIECE* pPiece) {
FX_TXTRUN CFDE_TextOut::ToTextRun(const FDE_TTOPIECE* pPiece) {
FX_TXTRUN tr;
tr.wsStr = m_wsText + pPiece->iStartChar;
- tr.pWidths = m_pCharWidths + pPiece->iStartChar;
+ tr.pWidths = &m_CharWidths[pPiece->iStartChar];
tr.iLength = pPiece->iChars;
tr.pFont = m_pFont;
tr.fFontSize = m_fFontSize;
@@ -922,18 +932,22 @@ int32_t CFDE_TTOLine::AddPiece(int32_t index, const FDE_TTOPIECE& ttoPiece) {
}
return index;
}
+
int32_t CFDE_TTOLine::GetSize() const {
return m_iPieceCount;
}
+
FDE_TTOPIECE* CFDE_TTOLine::GetPtrAt(int32_t index) {
if (index >= m_iPieceCount) {
return nullptr;
}
return m_pieces.GetPtrAt(index);
}
+
void CFDE_TTOLine::RemoveLast(int32_t iCount) {
m_pieces.RemoveLast(iCount);
}
+
void CFDE_TTOLine::RemoveAll(FX_BOOL bLeaveMemory) {
m_pieces.RemoveAll(bLeaveMemory);
}