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authorDan Sinclair <dsinclair@chromium.org>2017-03-16 11:47:20 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-03-16 18:21:03 +0000
commite533b93601c7e9eb328619681a78c188d1a89191 (patch)
tree0e3741cec1296a39e478c67eeac3ecc9c000fc24 /xfa/fgas/layout/fgas_textbreak.cpp
parentc9819a972830e9d1210d9d8f5c81d9f03f7c90a9 (diff)
downloadpdfium-e533b93601c7e9eb328619681a78c188d1a89191.tar.xz
Create common base class for TxtBreak and RTFBreak.
This CL starts extracting common members between the two break classes into a common base class. This also normalizes some of the member names to be the same across classes. Change-Id: I7f4e5065f2dac79eb4ebba397458236cc0609d38 Reviewed-on: https://pdfium-review.googlesource.com/3058 Reviewed-by: Nicolás Peña <npm@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'xfa/fgas/layout/fgas_textbreak.cpp')
-rw-r--r--xfa/fgas/layout/fgas_textbreak.cpp148
1 files changed, 24 insertions, 124 deletions
diff --git a/xfa/fgas/layout/fgas_textbreak.cpp b/xfa/fgas/layout/fgas_textbreak.cpp
index 44545574e5..6e36da1b68 100644
--- a/xfa/fgas/layout/fgas_textbreak.cpp
+++ b/xfa/fgas/layout/fgas_textbreak.cpp
@@ -34,34 +34,15 @@ bool IsCtrlCode(wchar_t ch) {
return dwRet == FX_CHARTYPE_Tab || dwRet == FX_CHARTYPE_Control;
}
-const int kMinimumTabWidth = 160000;
-
} // namespace
CFX_TxtBreak::CFX_TxtBreak()
- : m_iLineWidth(2000000),
- m_dwLayoutStyles(0),
- m_bSingleLine(false),
- m_bCombText(false),
- m_bEquidistant(true),
+ : CFX_Break(FX_LAYOUTSTYLE_None),
m_iArabicContext(1),
m_iCurArabicContext(1),
- m_pFont(nullptr),
- m_iFontSize(240),
- m_iTabWidth(720000),
- m_wDefChar(0xFEFF),
- m_wParagBreakChar(L'\n'),
- m_iDefChar(0),
m_iAlignment(CFX_TxtLineAlignment_Left),
m_dwContextCharStyles(0),
- m_iCombWidth(360000),
- m_eCharType(FX_CHARTYPE_Unknown),
- m_pCurLine(nullptr),
- m_iTolerance(0),
- m_iHorScale(100),
- m_iCharSpace(0),
- m_iReadyLineIndex(-1) {
- m_pCurLine = &m_TxtLine[0];
+ m_iCombWidth(360000) {
ResetArabicContext();
}
@@ -72,68 +53,6 @@ void CFX_TxtBreak::SetLineWidth(float fLineWidth) {
ASSERT(m_iLineWidth >= 20000);
}
-void CFX_TxtBreak::SetLayoutStyles(uint32_t dwLayoutStyles) {
- m_dwLayoutStyles = dwLayoutStyles;
- m_bSingleLine = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_SingleLine) != 0;
- m_bCombText = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_CombText) != 0;
- ResetArabicContext();
-}
-
-void CFX_TxtBreak::SetFont(const CFX_RetainPtr<CFGAS_GEFont>& pFont) {
- if (!pFont || pFont == m_pFont)
- return;
-
- SetBreakStatus();
- m_pFont = pFont;
- FontChanged();
-}
-
-void CFX_TxtBreak::SetFontSize(float fFontSize) {
- int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
- if (m_iFontSize == iFontSize)
- return;
-
- SetBreakStatus();
- m_iFontSize = iFontSize;
- FontChanged();
-}
-
-void CFX_TxtBreak::FontChanged() {
- m_iDefChar = 0;
- if (m_wDefChar == 0xFEFF || !m_pFont)
- return;
-
- m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, false);
- m_iDefChar *= m_iFontSize;
-}
-
-void CFX_TxtBreak::SetTabWidth(float fTabWidth, bool bEquidistant) {
- m_iTabWidth = std::max(FXSYS_round(fTabWidth * 20000.0f), kMinimumTabWidth);
- m_bEquidistant = bEquidistant;
-}
-
-void CFX_TxtBreak::SetDefaultChar(wchar_t wch) {
- m_wDefChar = wch;
- m_iDefChar = 0;
- if (m_wDefChar == 0xFEFF || !m_pFont)
- return;
-
- m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, false);
- if (m_iDefChar < 0)
- m_iDefChar = 0;
- else
- m_iDefChar *= m_iFontSize;
-}
-
-void CFX_TxtBreak::SetParagraphBreakChar(wchar_t wch) {
- if (wch != L'\r' && wch != L'\n')
- return;
- m_wParagBreakChar = wch;
-}
-
-void CFX_TxtBreak::SetLineBreakTolerance(float fTolerance) {
- m_iTolerance = FXSYS_round(fTolerance * 20000.0f);
-}
void CFX_TxtBreak::SetAlignment(int32_t iAlignment) {
ASSERT(iAlignment >= CFX_TxtLineAlignment_Left &&
@@ -142,11 +61,6 @@ void CFX_TxtBreak::SetAlignment(int32_t iAlignment) {
ResetArabicContext();
}
-void CFX_TxtBreak::ResetContextCharStyles() {
- m_dwContextCharStyles = m_iAlignment;
- m_dwContextCharStyles |= (m_iArabicContext << 8);
-}
-
void CFX_TxtBreak::SetCombWidth(float fCombWidth) {
m_iCombWidth = FXSYS_round(fCombWidth * 20000.0f);
}
@@ -160,21 +74,6 @@ void CFX_TxtBreak::SetBreakStatus() {
if (pTC->m_dwStatus == CFX_BreakType::None)
pTC->m_dwStatus = CFX_BreakType::Piece;
}
-
-void CFX_TxtBreak::SetHorizontalScale(int32_t iScale) {
- if (iScale < 0)
- iScale = 0;
- if (iScale == m_iHorScale)
- return;
-
- SetBreakStatus();
- m_iHorScale = iScale;
-}
-
-void CFX_TxtBreak::SetCharSpace(float fCharSpace) {
- m_iCharSpace = FXSYS_round(fCharSpace * 20000.0f);
-}
-
CFX_Char* CFX_TxtBreak::GetLastChar(int32_t index, bool bOmitChar) const {
std::vector<CFX_Char>& ca = m_pCurLine->m_LineChars;
int32_t iCount = pdfium::CollectionSize<int32_t>(ca);
@@ -199,7 +98,8 @@ inline FX_CHARTYPE CFX_TxtBreak::GetUnifiedCharType(
void CFX_TxtBreak::ResetArabicContext() {
m_iCurAlignment = m_iAlignment;
- ResetContextCharStyles();
+ m_dwContextCharStyles = m_iAlignment;
+ m_dwContextCharStyles |= (m_iArabicContext << 8);
}
void CFX_TxtBreak::AppendChar_PageLoad(CFX_Char* pCurChar, uint32_t dwProps) {
@@ -242,7 +142,7 @@ CFX_BreakType CFX_TxtBreak::AppendChar_Combination(CFX_Char* pCurChar) {
iCharWidth = 0;
iCharWidth *= m_iFontSize;
- iCharWidth = iCharWidth * m_iHorScale / 100;
+ iCharWidth = iCharWidth * m_iHorizontalScale / 100;
}
pCurChar->m_iCharWidth = -iCharWidth;
return CFX_BreakType::None;
@@ -270,7 +170,7 @@ CFX_BreakType CFX_TxtBreak::AppendChar_Control(CFX_Char* pCurChar) {
dwRet = CFX_BreakType::Paragraph;
break;
default:
- if (wch == m_wParagBreakChar)
+ if (wch == m_wParagraphBreakChar)
dwRet = CFX_BreakType::Paragraph;
break;
}
@@ -305,7 +205,7 @@ CFX_BreakType CFX_TxtBreak::AppendChar_Arabic(CFX_Char* pCurChar) {
iCharWidth = m_iDefChar;
iCharWidth *= m_iFontSize;
- iCharWidth = iCharWidth * m_iHorScale / 100;
+ iCharWidth = iCharWidth * m_iHorizontalScale / 100;
pLastChar->m_iCharWidth = iCharWidth;
iLineWidth += iCharWidth;
iCharWidth = 0;
@@ -324,7 +224,7 @@ CFX_BreakType CFX_TxtBreak::AppendChar_Arabic(CFX_Char* pCurChar) {
iCharWidth = m_iDefChar;
iCharWidth *= m_iFontSize;
- iCharWidth = iCharWidth * m_iHorScale / 100;
+ iCharWidth = iCharWidth * m_iHorizontalScale / 100;
}
pCurChar->m_iCharWidth = iCharWidth;
iLineWidth += iCharWidth;
@@ -349,7 +249,7 @@ CFX_BreakType CFX_TxtBreak::AppendChar_Others(CFX_Char* pCurChar) {
iCharWidth = m_iDefChar;
iCharWidth *= m_iFontSize;
- iCharWidth = iCharWidth * m_iHorScale / 100;
+ iCharWidth = iCharWidth * m_iHorizontalScale / 100;
}
iCharWidth += m_iCharSpace;
@@ -373,7 +273,7 @@ CFX_BreakType CFX_TxtBreak::AppendChar(wchar_t wch) {
pCurChar->m_dwCharProps = dwProps;
pCurChar->m_dwCharStyles = 0;
pCurChar->m_iCharWidth = 0;
- pCurChar->m_iHorizontalScale = m_iHorScale;
+ pCurChar->m_iHorizontalScale = m_iHorizontalScale;
pCurChar->m_iVerticalScale = 100;
pCurChar->m_dwStatus = CFX_BreakType::None;
pCurChar->m_iBidiClass = 0;
@@ -617,10 +517,10 @@ CFX_BreakType CFX_TxtBreak::EndBreak(CFX_BreakType dwStatus) {
}
if (HasTxtLine()) {
- if (!m_TxtLine[m_iReadyLineIndex].m_LinePieces.empty()) {
+ if (!m_Line[m_iReadyLineIndex].m_LinePieces.empty()) {
if (dwStatus != CFX_BreakType::Piece)
- m_TxtLine[m_iReadyLineIndex].m_LinePieces.back().m_dwStatus = dwStatus;
- return m_TxtLine[m_iReadyLineIndex].m_LinePieces.back().m_dwStatus;
+ m_Line[m_iReadyLineIndex].m_LinePieces.back().m_dwStatus = dwStatus;
+ return m_Line[m_iReadyLineIndex].m_LinePieces.back().m_dwStatus;
}
return CFX_BreakType::None;
}
@@ -633,8 +533,8 @@ CFX_BreakType CFX_TxtBreak::EndBreak(CFX_BreakType dwStatus) {
if (dwStatus == CFX_BreakType::Piece)
return dwStatus;
- m_iReadyLineIndex = m_pCurLine == &m_TxtLine[0] ? 0 : 1;
- CFX_BreakLine* pNextLine = &m_TxtLine[1 - m_iReadyLineIndex];
+ m_iReadyLineIndex = m_pCurLine == &m_Line[0] ? 0 : 1;
+ CFX_BreakLine* pNextLine = &m_Line[1 - m_iReadyLineIndex];
bool bAllChars = m_iCurAlignment > CFX_TxtLineAlignment_Right;
if (!EndBreak_SplitLine(pNextLine, bAllChars)) {
std::deque<FX_TPO> tpos;
@@ -789,7 +689,7 @@ void CFX_TxtBreak::SplitTextLine(CFX_BreakLine* pCurLine,
int32_t CFX_TxtBreak::CountBreakPieces() const {
return HasTxtLine() ? pdfium::CollectionSize<int32_t>(
- m_TxtLine[m_iReadyLineIndex].m_LinePieces)
+ m_Line[m_iReadyLineIndex].m_LinePieces)
: 0;
}
@@ -797,15 +697,15 @@ const CFX_BreakPiece* CFX_TxtBreak::GetBreakPiece(int32_t index) const {
if (!HasTxtLine())
return nullptr;
- if (!pdfium::IndexInBounds(m_TxtLine[m_iReadyLineIndex].m_LinePieces, index))
+ if (!pdfium::IndexInBounds(m_Line[m_iReadyLineIndex].m_LinePieces, index))
return nullptr;
- return &m_TxtLine[m_iReadyLineIndex].m_LinePieces[index];
+ return &m_Line[m_iReadyLineIndex].m_LinePieces[index];
}
void CFX_TxtBreak::ClearBreakPieces() {
if (HasTxtLine())
- m_TxtLine[m_iReadyLineIndex].Clear();
+ m_Line[m_iReadyLineIndex].Clear();
m_iReadyLineIndex = -1;
}
@@ -814,8 +714,8 @@ void CFX_TxtBreak::Reset() {
m_iArabicContext = 1;
m_iCurArabicContext = 1;
ResetArabicContext();
- m_TxtLine[0].Clear();
- m_TxtLine[1].Clear();
+ m_Line[0].Clear();
+ m_Line[1].Clear();
}
struct FX_FORMCHAR {
@@ -1032,7 +932,7 @@ int32_t CFX_TxtBreak::GetDisplayPos(const FX_TXTRUN* pTxtRun,
if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) {
pCharPos->m_Origin = CFX_PointF(fX, fY);
- if ((dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0) {
+ if ((dwStyles & FX_LAYOUTSTYLE_CombText) != 0) {
int32_t iFormWidth = iCharWidth;
pFont->GetCharWidth(wForm, iFormWidth, false);
float fOffset = fFontSize * (iCharWidth - iFormWidth) / 2000.0f;
@@ -1115,8 +1015,8 @@ std::vector<CFX_RectF> CFX_TxtBreak::GetCharRects(const FX_TXTRUN* pTxtRun,
float fLeft = std::max(0.0f, bbox.left * fScale);
float fHeight = FXSYS_fabs(bbox.height * fScale);
bool bRTLPiece = !!(pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_OddBidiLevel);
- bool bSingleLine = !!(pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_SingleLine);
- bool bCombText = !!(pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_CombText);
+ bool bSingleLine = !!(pTxtRun->dwStyles & FX_LAYOUTSTYLE_SingleLine);
+ bool bCombText = !!(pTxtRun->dwStyles & FX_LAYOUTSTYLE_CombText);
wchar_t wch;
wchar_t wLineBreakChar = pTxtRun->wLineBreakChar;
int32_t iCharSize;