From 9c845c3117bf09191e83e9108e98a82fb1051075 Mon Sep 17 00:00:00 2001 From: thestig Date: Fri, 13 May 2016 11:08:41 -0700 Subject: Move some classes out of doc_vt.cpp into their own files. Review-Url: https://codereview.chromium.org/1979463002 --- BUILD.gn | 2 + core/fpdfdoc/csection.cpp | 290 ++++++++++++++++++ core/fpdfdoc/ctypeset.cpp | 496 +++++++++++++++++++++++++++++++ core/fpdfdoc/doc_vt.cpp | 736 ---------------------------------------------- pdfium.gyp | 2 + 5 files changed, 790 insertions(+), 736 deletions(-) create mode 100644 core/fpdfdoc/csection.cpp create mode 100644 core/fpdfdoc/ctypeset.cpp diff --git a/BUILD.gn b/BUILD.gn index f784f05d80..1d87424f97 100644 --- a/BUILD.gn +++ b/BUILD.gn @@ -206,7 +206,9 @@ static_library("fpdfdoc") { "core/fpdfdoc/cpvt_lineinfo.h", "core/fpdfdoc/cpvt_sectioninfo.h", "core/fpdfdoc/cpvt_wordinfo.h", + "core/fpdfdoc/csection.cpp", "core/fpdfdoc/csection.h", + "core/fpdfdoc/ctypeset.cpp", "core/fpdfdoc/ctypeset.h", "core/fpdfdoc/doc_action.cpp", "core/fpdfdoc/doc_annot.cpp", diff --git a/core/fpdfdoc/csection.cpp b/core/fpdfdoc/csection.cpp new file mode 100644 index 0000000000..0cf08fd49b --- /dev/null +++ b/core/fpdfdoc/csection.cpp @@ -0,0 +1,290 @@ +// Copyright 2016 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/fpdfdoc/csection.h" + +#include + +#include "core/fpdfdoc/cpvt_wordinfo.h" + +CSection::CSection(CPDF_VariableText* pVT) : m_pVT(pVT) {} + +CSection::~CSection() { + ResetAll(); +} + +void CSection::ResetAll() { + ResetWordArray(); + ResetLineArray(); +} + +void CSection::ResetLineArray() { + m_LineArray.RemoveAll(); +} + +void CSection::ResetWordArray() { + for (int32_t i = 0, sz = m_WordArray.GetSize(); i < sz; i++) { + delete m_WordArray.GetAt(i); + } + m_WordArray.RemoveAll(); +} + +void CSection::ResetLinePlace() { + for (int32_t i = 0, sz = m_LineArray.GetSize(); i < sz; i++) { + if (CLine* pLine = m_LineArray.GetAt(i)) { + pLine->LinePlace = CPVT_WordPlace(SecPlace.nSecIndex, i, -1); + } + } +} + +CPVT_WordPlace CSection::AddWord(const CPVT_WordPlace& place, + const CPVT_WordInfo& wordinfo) { + CPVT_WordInfo* pWord = new CPVT_WordInfo(wordinfo); + int32_t nWordIndex = + std::max(std::min(place.nWordIndex, m_WordArray.GetSize()), 0); + if (nWordIndex == m_WordArray.GetSize()) { + m_WordArray.Add(pWord); + } else { + m_WordArray.InsertAt(nWordIndex, pWord); + } + return place; +} + +CPVT_WordPlace CSection::AddLine(const CPVT_LineInfo& lineinfo) { + return CPVT_WordPlace(SecPlace.nSecIndex, m_LineArray.Add(lineinfo), -1); +} + +CPVT_FloatRect CSection::Rearrange() { + if (m_pVT->m_nCharArray > 0) { + return CTypeset(this).CharArray(); + } + return CTypeset(this).Typeset(); +} + +CFX_SizeF CSection::GetSectionSize(FX_FLOAT fFontSize) { + return CTypeset(this).GetEditSize(fFontSize); +} + +CPVT_WordPlace CSection::GetBeginWordPlace() const { + if (CLine* pLine = m_LineArray.GetAt(0)) { + return pLine->GetBeginWordPlace(); + } + return SecPlace; +} + +CPVT_WordPlace CSection::GetEndWordPlace() const { + if (CLine* pLine = m_LineArray.GetAt(m_LineArray.GetSize() - 1)) { + return pLine->GetEndWordPlace(); + } + return SecPlace; +} + +CPVT_WordPlace CSection::GetPrevWordPlace(const CPVT_WordPlace& place) const { + if (place.nLineIndex < 0) { + return GetBeginWordPlace(); + } + if (place.nLineIndex >= m_LineArray.GetSize()) { + return GetEndWordPlace(); + } + if (CLine* pLine = m_LineArray.GetAt(place.nLineIndex)) { + if (place.nWordIndex == pLine->m_LineInfo.nBeginWordIndex) { + return CPVT_WordPlace(place.nSecIndex, place.nLineIndex, -1); + } + if (place.nWordIndex < pLine->m_LineInfo.nBeginWordIndex) { + if (CLine* pPrevLine = m_LineArray.GetAt(place.nLineIndex - 1)) { + return pPrevLine->GetEndWordPlace(); + } + } else { + return pLine->GetPrevWordPlace(place); + } + } + return place; +} + +CPVT_WordPlace CSection::GetNextWordPlace(const CPVT_WordPlace& place) const { + if (place.nLineIndex < 0) { + return GetBeginWordPlace(); + } + if (place.nLineIndex >= m_LineArray.GetSize()) { + return GetEndWordPlace(); + } + if (CLine* pLine = m_LineArray.GetAt(place.nLineIndex)) { + if (place.nWordIndex >= pLine->m_LineInfo.nEndWordIndex) { + if (CLine* pNextLine = m_LineArray.GetAt(place.nLineIndex + 1)) { + return pNextLine->GetBeginWordPlace(); + } + } else { + return pLine->GetNextWordPlace(place); + } + } + return place; +} + +void CSection::UpdateWordPlace(CPVT_WordPlace& place) const { + int32_t nLeft = 0; + int32_t nRight = m_LineArray.GetSize() - 1; + int32_t nMid = (nLeft + nRight) / 2; + while (nLeft <= nRight) { + if (CLine* pLine = m_LineArray.GetAt(nMid)) { + if (place.nWordIndex < pLine->m_LineInfo.nBeginWordIndex) { + nRight = nMid - 1; + nMid = (nLeft + nRight) / 2; + } else if (place.nWordIndex > pLine->m_LineInfo.nEndWordIndex) { + nLeft = nMid + 1; + nMid = (nLeft + nRight) / 2; + } else { + place.nLineIndex = nMid; + return; + } + } else { + break; + } + } +} + +CPVT_WordPlace CSection::SearchWordPlace(const CFX_FloatPoint& point) const { + ASSERT(m_pVT); + CPVT_WordPlace place = GetBeginWordPlace(); + FX_BOOL bUp = TRUE; + FX_BOOL bDown = TRUE; + int32_t nLeft = 0; + int32_t nRight = m_LineArray.GetSize() - 1; + int32_t nMid = m_LineArray.GetSize() / 2; + FX_FLOAT fTop = 0; + FX_FLOAT fBottom = 0; + while (nLeft <= nRight) { + if (CLine* pLine = m_LineArray.GetAt(nMid)) { + fTop = pLine->m_LineInfo.fLineY - pLine->m_LineInfo.fLineAscent - + m_pVT->GetLineLeading(m_SecInfo); + fBottom = pLine->m_LineInfo.fLineY - pLine->m_LineInfo.fLineDescent; + if (IsFloatBigger(point.y, fTop)) { + bUp = FALSE; + } + if (IsFloatSmaller(point.y, fBottom)) { + bDown = FALSE; + } + if (IsFloatSmaller(point.y, fTop)) { + nRight = nMid - 1; + nMid = (nLeft + nRight) / 2; + continue; + } else if (IsFloatBigger(point.y, fBottom)) { + nLeft = nMid + 1; + nMid = (nLeft + nRight) / 2; + continue; + } else { + place = SearchWordPlace( + point.x, + CPVT_WordRange(pLine->GetNextWordPlace(pLine->GetBeginWordPlace()), + pLine->GetEndWordPlace())); + place.nLineIndex = nMid; + return place; + } + } + } + if (bUp) { + place = GetBeginWordPlace(); + } + if (bDown) { + place = GetEndWordPlace(); + } + return place; +} + +CPVT_WordPlace CSection::SearchWordPlace( + FX_FLOAT fx, + const CPVT_WordPlace& lineplace) const { + if (CLine* pLine = m_LineArray.GetAt(lineplace.nLineIndex)) { + return SearchWordPlace( + fx - m_SecInfo.rcSection.left, + CPVT_WordRange(pLine->GetNextWordPlace(pLine->GetBeginWordPlace()), + pLine->GetEndWordPlace())); + } + return GetBeginWordPlace(); +} + +CPVT_WordPlace CSection::SearchWordPlace(FX_FLOAT fx, + const CPVT_WordRange& range) const { + CPVT_WordPlace wordplace = range.BeginPos; + wordplace.nWordIndex = -1; + if (!m_pVT) { + return wordplace; + } + int32_t nLeft = range.BeginPos.nWordIndex; + int32_t nRight = range.EndPos.nWordIndex + 1; + int32_t nMid = (nLeft + nRight) / 2; + while (nLeft < nRight) { + if (nMid == nLeft) { + break; + } + if (nMid == nRight) { + nMid--; + break; + } + if (CPVT_WordInfo* pWord = m_WordArray.GetAt(nMid)) { + if (fx > + pWord->fWordX + m_pVT->GetWordWidth(*pWord) * VARIABLETEXT_HALF) { + nLeft = nMid; + nMid = (nLeft + nRight) / 2; + continue; + } else { + nRight = nMid; + nMid = (nLeft + nRight) / 2; + continue; + } + } else { + break; + } + } + if (CPVT_WordInfo* pWord = m_WordArray.GetAt(nMid)) { + if (fx > pWord->fWordX + m_pVT->GetWordWidth(*pWord) * VARIABLETEXT_HALF) { + wordplace.nWordIndex = nMid; + } + } + return wordplace; +} + +void CSection::ClearLeftWords(int32_t nWordIndex) { + for (int32_t i = nWordIndex; i >= 0; i--) { + delete m_WordArray.GetAt(i); + m_WordArray.RemoveAt(i); + } +} + +void CSection::ClearRightWords(int32_t nWordIndex) { + for (int32_t i = m_WordArray.GetSize() - 1; i > nWordIndex; i--) { + delete m_WordArray.GetAt(i); + m_WordArray.RemoveAt(i); + } +} + +void CSection::ClearMidWords(int32_t nBeginIndex, int32_t nEndIndex) { + for (int32_t i = nEndIndex; i > nBeginIndex; i--) { + delete m_WordArray.GetAt(i); + m_WordArray.RemoveAt(i); + } +} + +void CSection::ClearWords(const CPVT_WordRange& PlaceRange) { + CPVT_WordPlace SecBeginPos = GetBeginWordPlace(); + CPVT_WordPlace SecEndPos = GetEndWordPlace(); + if (PlaceRange.BeginPos.WordCmp(SecBeginPos) >= 0) { + if (PlaceRange.EndPos.WordCmp(SecEndPos) <= 0) { + ClearMidWords(PlaceRange.BeginPos.nWordIndex, + PlaceRange.EndPos.nWordIndex); + } else { + ClearRightWords(PlaceRange.BeginPos.nWordIndex); + } + } else if (PlaceRange.EndPos.WordCmp(SecEndPos) <= 0) { + ClearLeftWords(PlaceRange.EndPos.nWordIndex); + } else { + ResetWordArray(); + } +} + +void CSection::ClearWord(const CPVT_WordPlace& place) { + delete m_WordArray.GetAt(place.nWordIndex); + m_WordArray.RemoveAt(place.nWordIndex); +} diff --git a/core/fpdfdoc/ctypeset.cpp b/core/fpdfdoc/ctypeset.cpp new file mode 100644 index 0000000000..076c901885 --- /dev/null +++ b/core/fpdfdoc/ctypeset.cpp @@ -0,0 +1,496 @@ +// Copyright 2016 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/fpdfdoc/ctypeset.h" + +#include + +#include "core/fpdfdoc/csection.h" +#include "core/fpdfdoc/cpvt_wordinfo.h" + +namespace { + +const uint8_t special_chars[128] = { + 0x00, 0x0C, 0x08, 0x0C, 0x08, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x00, + 0x10, 0x00, 0x00, 0x28, 0x0C, 0x08, 0x00, 0x00, 0x28, 0x28, 0x28, 0x28, + 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x08, 0x08, + 0x00, 0x00, 0x00, 0x08, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x0C, 0x00, 0x08, 0x00, 0x00, + 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x0C, 0x00, 0x08, 0x00, 0x00, +}; + +bool IsLatin(uint16_t word) { + if (word <= 0x007F) + return !!(special_chars[word] & 0x01); + + return ((word >= 0x00C0 && word <= 0x00FF) || + (word >= 0x0100 && word <= 0x024F) || + (word >= 0x1E00 && word <= 0x1EFF) || + (word >= 0x2C60 && word <= 0x2C7F) || + (word >= 0xA720 && word <= 0xA7FF) || + (word >= 0xFF21 && word <= 0xFF3A) || + (word >= 0xFF41 && word <= 0xFF5A)); +} + +bool IsDigit(uint32_t word) { + return word >= 0x0030 && word <= 0x0039; +} + +bool IsCJK(uint32_t word) { + if ((word >= 0x1100 && word <= 0x11FF) || + (word >= 0x2E80 && word <= 0x2FFF) || + (word >= 0x3040 && word <= 0x9FBF) || + (word >= 0xAC00 && word <= 0xD7AF) || + (word >= 0xF900 && word <= 0xFAFF) || + (word >= 0xFE30 && word <= 0xFE4F) || + (word >= 0x20000 && word <= 0x2A6DF) || + (word >= 0x2F800 && word <= 0x2FA1F)) { + return true; + } + if (word >= 0x3000 && word <= 0x303F) { + return ( + word == 0x3005 || word == 0x3006 || word == 0x3021 || word == 0x3022 || + word == 0x3023 || word == 0x3024 || word == 0x3025 || word == 0x3026 || + word == 0x3027 || word == 0x3028 || word == 0x3029 || word == 0x3031 || + word == 0x3032 || word == 0x3033 || word == 0x3034 || word == 0x3035); + } + return word >= 0xFF66 && word <= 0xFF9D; +} + +bool IsPunctuation(uint32_t word) { + if (word <= 0x007F) + return !!(special_chars[word] & 0x08); + + if (word >= 0x0080 && word <= 0x00FF) { + return (word == 0x0082 || word == 0x0084 || word == 0x0085 || + word == 0x0091 || word == 0x0092 || word == 0x0093 || + word <= 0x0094 || word == 0x0096 || word == 0x00B4 || + word == 0x00B8); + } + + if (word >= 0x2000 && word <= 0x206F) { + return ( + word == 0x2010 || word == 0x2011 || word == 0x2012 || word == 0x2013 || + word == 0x2018 || word == 0x2019 || word == 0x201A || word == 0x201B || + word == 0x201C || word == 0x201D || word == 0x201E || word == 0x201F || + word == 0x2032 || word == 0x2033 || word == 0x2034 || word == 0x2035 || + word == 0x2036 || word == 0x2037 || word == 0x203C || word == 0x203D || + word == 0x203E || word == 0x2044); + } + + if (word >= 0x3000 && word <= 0x303F) { + return ( + word == 0x3001 || word == 0x3002 || word == 0x3003 || word == 0x3005 || + word == 0x3009 || word == 0x300A || word == 0x300B || word == 0x300C || + word == 0x300D || word == 0x300F || word == 0x300E || word == 0x3010 || + word == 0x3011 || word == 0x3014 || word == 0x3015 || word == 0x3016 || + word == 0x3017 || word == 0x3018 || word == 0x3019 || word == 0x301A || + word == 0x301B || word == 0x301D || word == 0x301E || word == 0x301F); + } + + if (word >= 0xFE50 && word <= 0xFE6F) + return (word >= 0xFE50 && word <= 0xFE5E) || word == 0xFE63; + + if (word >= 0xFF00 && word <= 0xFFEF) { + return ( + word == 0xFF01 || word == 0xFF02 || word == 0xFF07 || word == 0xFF08 || + word == 0xFF09 || word == 0xFF0C || word == 0xFF0E || word == 0xFF0F || + word == 0xFF1A || word == 0xFF1B || word == 0xFF1F || word == 0xFF3B || + word == 0xFF3D || word == 0xFF40 || word == 0xFF5B || word == 0xFF5C || + word == 0xFF5D || word == 0xFF61 || word == 0xFF62 || word == 0xFF63 || + word == 0xFF64 || word == 0xFF65 || word == 0xFF9E || word == 0xFF9F); + } + + return false; +} + +bool IsConnectiveSymbol(uint32_t word) { + return word <= 0x007F && (special_chars[word] & 0x20); +} + +bool IsOpenStylePunctuation(uint32_t word) { + if (word <= 0x007F) + return !!(special_chars[word] & 0x04); + + return (word == 0x300A || word == 0x300C || word == 0x300E || + word == 0x3010 || word == 0x3014 || word == 0x3016 || + word == 0x3018 || word == 0x301A || word == 0xFF08 || + word == 0xFF3B || word == 0xFF5B || word == 0xFF62); +} + +bool IsCurrencySymbol(uint16_t word) { + return (word == 0x0024 || word == 0x0080 || word == 0x00A2 || + word == 0x00A3 || word == 0x00A4 || word == 0x00A5 || + (word >= 0x20A0 && word <= 0x20CF) || word == 0xFE69 || + word == 0xFF04 || word == 0xFFE0 || word == 0xFFE1 || + word == 0xFFE5 || word == 0xFFE6); +} + +bool IsPrefixSymbol(uint16_t word) { + return IsCurrencySymbol(word) || word == 0x2116; +} + +bool IsSpace(uint16_t word) { + return word == 0x0020 || word == 0x3000; +} + +bool NeedDivision(uint16_t prevWord, uint16_t curWord) { + if ((IsLatin(prevWord) || IsDigit(prevWord)) && + (IsLatin(curWord) || IsDigit(curWord))) { + return false; + } + if (IsSpace(curWord) || IsPunctuation(curWord)) { + return false; + } + if (IsConnectiveSymbol(prevWord) || IsConnectiveSymbol(curWord)) { + return false; + } + if (IsSpace(prevWord) || IsPunctuation(prevWord)) { + return true; + } + if (IsPrefixSymbol(prevWord)) { + return false; + } + if (IsPrefixSymbol(curWord) || IsCJK(curWord)) { + return true; + } + if (IsCJK(prevWord)) { + return true; + } + return false; +} + +} // namespace + +CTypeset::CTypeset(CSection* pSection) + : m_rcRet(0.0f, 0.0f, 0.0f, 0.0f), + m_pVT(pSection->m_pVT), + m_pSection(pSection) {} + +CTypeset::~CTypeset() {} + +CPVT_FloatRect CTypeset::CharArray() { + ASSERT(m_pSection); + FX_FLOAT fLineAscent = + m_pVT->GetFontAscent(m_pVT->GetDefaultFontIndex(), m_pVT->GetFontSize()); + FX_FLOAT fLineDescent = + m_pVT->GetFontDescent(m_pVT->GetDefaultFontIndex(), m_pVT->GetFontSize()); + m_rcRet.Default(); + FX_FLOAT x = 0.0f, y = 0.0f; + FX_FLOAT fNextWidth; + int32_t nStart = 0; + FX_FLOAT fNodeWidth = m_pVT->GetPlateWidth() / + (m_pVT->m_nCharArray <= 0 ? 1 : m_pVT->m_nCharArray); + if (CLine* pLine = m_pSection->m_LineArray.GetAt(0)) { + x = 0.0f; + y += m_pVT->GetLineLeading(m_pSection->m_SecInfo); + y += fLineAscent; + nStart = 0; + switch (m_pVT->GetAlignment(m_pSection->m_SecInfo)) { + case 0: + pLine->m_LineInfo.fLineX = fNodeWidth * VARIABLETEXT_HALF; + break; + case 1: + nStart = (m_pVT->m_nCharArray - m_pSection->m_WordArray.GetSize()) / 2; + pLine->m_LineInfo.fLineX = + fNodeWidth * nStart - fNodeWidth * VARIABLETEXT_HALF; + break; + case 2: + nStart = m_pVT->m_nCharArray - m_pSection->m_WordArray.GetSize(); + pLine->m_LineInfo.fLineX = + fNodeWidth * nStart - fNodeWidth * VARIABLETEXT_HALF; + break; + } + for (int32_t w = 0, sz = m_pSection->m_WordArray.GetSize(); w < sz; w++) { + if (w >= m_pVT->m_nCharArray) { + break; + } + fNextWidth = 0; + if (CPVT_WordInfo* pNextWord = + (CPVT_WordInfo*)m_pSection->m_WordArray.GetAt(w + 1)) { + pNextWord->fWordTail = 0; + fNextWidth = m_pVT->GetWordWidth(*pNextWord); + } + if (CPVT_WordInfo* pWord = + (CPVT_WordInfo*)m_pSection->m_WordArray.GetAt(w)) { + pWord->fWordTail = 0; + FX_FLOAT fWordWidth = m_pVT->GetWordWidth(*pWord); + FX_FLOAT fWordAscent = m_pVT->GetWordAscent(*pWord); + FX_FLOAT fWordDescent = m_pVT->GetWordDescent(*pWord); + x = (FX_FLOAT)(fNodeWidth * (w + nStart + 0.5) - + fWordWidth * VARIABLETEXT_HALF); + pWord->fWordX = x; + pWord->fWordY = y; + if (w == 0) { + pLine->m_LineInfo.fLineX = x; + } + if (w != m_pSection->m_WordArray.GetSize() - 1) { + pWord->fWordTail = + (fNodeWidth - (fWordWidth + fNextWidth) * VARIABLETEXT_HALF > 0 + ? fNodeWidth - (fWordWidth + fNextWidth) * VARIABLETEXT_HALF + : 0); + } else { + pWord->fWordTail = 0; + } + x += fWordWidth; + fLineAscent = std::max(fLineAscent, fWordAscent); + fLineDescent = std::min(fLineDescent, fWordDescent); + } + } + pLine->m_LineInfo.nBeginWordIndex = 0; + pLine->m_LineInfo.nEndWordIndex = m_pSection->m_WordArray.GetSize() - 1; + pLine->m_LineInfo.fLineY = y; + pLine->m_LineInfo.fLineWidth = x - pLine->m_LineInfo.fLineX; + pLine->m_LineInfo.fLineAscent = fLineAscent; + pLine->m_LineInfo.fLineDescent = fLineDescent; + y -= fLineDescent; + } + return m_rcRet = CPVT_FloatRect(0, 0, x, y); +} + +CFX_SizeF CTypeset::GetEditSize(FX_FLOAT fFontSize) { + ASSERT(m_pSection); + ASSERT(m_pVT); + SplitLines(FALSE, fFontSize); + return CFX_SizeF(m_rcRet.Width(), m_rcRet.Height()); +} + +CPVT_FloatRect CTypeset::Typeset() { + ASSERT(m_pVT); + m_pSection->m_LineArray.Empty(); + SplitLines(TRUE, 0.0f); + m_pSection->m_LineArray.Clear(); + OutputLines(); + return m_rcRet; +} + +void CTypeset::SplitLines(FX_BOOL bTypeset, FX_FLOAT fFontSize) { + ASSERT(m_pVT); + ASSERT(m_pSection); + int32_t nLineHead = 0; + int32_t nLineTail = 0; + FX_FLOAT fMaxX = 0.0f, fMaxY = 0.0f; + FX_FLOAT fLineWidth = 0.0f, fBackupLineWidth = 0.0f; + FX_FLOAT fLineAscent = 0.0f, fBackupLineAscent = 0.0f; + FX_FLOAT fLineDescent = 0.0f, fBackupLineDescent = 0.0f; + int32_t nWordStartPos = 0; + FX_BOOL bFullWord = FALSE; + int32_t nLineFullWordIndex = 0; + int32_t nCharIndex = 0; + CPVT_LineInfo line; + FX_FLOAT fWordWidth = 0; + FX_FLOAT fTypesetWidth = std::max( + m_pVT->GetPlateWidth() - m_pVT->GetLineIndent(m_pSection->m_SecInfo), + 0.0f); + int32_t nTotalWords = m_pSection->m_WordArray.GetSize(); + FX_BOOL bOpened = FALSE; + if (nTotalWords > 0) { + int32_t i = 0; + while (i < nTotalWords) { + CPVT_WordInfo* pWord = m_pSection->m_WordArray.GetAt(i); + CPVT_WordInfo* pOldWord = pWord; + if (i > 0) { + pOldWord = m_pSection->m_WordArray.GetAt(i - 1); + } + if (pWord) { + if (bTypeset) { + fLineAscent = + std::max(fLineAscent, m_pVT->GetWordAscent(*pWord, TRUE)); + fLineDescent = + std::min(fLineDescent, m_pVT->GetWordDescent(*pWord, TRUE)); + fWordWidth = m_pVT->GetWordWidth(*pWord); + } else { + fLineAscent = + std::max(fLineAscent, m_pVT->GetWordAscent(*pWord, fFontSize)); + fLineDescent = + std::min(fLineDescent, m_pVT->GetWordDescent(*pWord, fFontSize)); + fWordWidth = m_pVT->GetWordWidth( + pWord->nFontIndex, pWord->Word, m_pVT->m_wSubWord, + m_pVT->m_fCharSpace, m_pVT->m_nHorzScale, fFontSize, + pWord->fWordTail, 0); + } + if (!bOpened) { + if (IsOpenStylePunctuation(pWord->Word)) { + bOpened = TRUE; + bFullWord = TRUE; + } else if (pOldWord) { + if (NeedDivision(pOldWord->Word, pWord->Word)) { + bFullWord = TRUE; + } + } + } else { + if (!IsSpace(pWord->Word) && !IsOpenStylePunctuation(pWord->Word)) { + bOpened = FALSE; + } + } + if (bFullWord) { + bFullWord = FALSE; + if (nCharIndex > 0) { + nLineFullWordIndex++; + } + nWordStartPos = i; + fBackupLineWidth = fLineWidth; + fBackupLineAscent = fLineAscent; + fBackupLineDescent = fLineDescent; + } + nCharIndex++; + } + if (m_pVT->m_bLimitWidth && fTypesetWidth > 0 && + fLineWidth + fWordWidth > fTypesetWidth) { + if (nLineFullWordIndex > 0) { + i = nWordStartPos; + fLineWidth = fBackupLineWidth; + fLineAscent = fBackupLineAscent; + fLineDescent = fBackupLineDescent; + } + if (nCharIndex == 1) { + fLineWidth = fWordWidth; + i++; + } + nLineTail = i - 1; + if (bTypeset) { + line.nBeginWordIndex = nLineHead; + line.nEndWordIndex = nLineTail; + line.nTotalWord = nLineTail - nLineHead + 1; + line.fLineWidth = fLineWidth; + line.fLineAscent = fLineAscent; + line.fLineDescent = fLineDescent; + m_pSection->AddLine(line); + } + fMaxY += (fLineAscent + m_pVT->GetLineLeading(m_pSection->m_SecInfo)); + fMaxY -= fLineDescent; + fMaxX = std::max(fLineWidth, fMaxX); + nLineHead = i; + fLineWidth = 0.0f; + fLineAscent = 0.0f; + fLineDescent = 0.0f; + nCharIndex = 0; + nLineFullWordIndex = 0; + bFullWord = FALSE; + } else { + fLineWidth += fWordWidth; + i++; + } + } + if (nLineHead <= nTotalWords - 1) { + nLineTail = nTotalWords - 1; + if (bTypeset) { + line.nBeginWordIndex = nLineHead; + line.nEndWordIndex = nLineTail; + line.nTotalWord = nLineTail - nLineHead + 1; + line.fLineWidth = fLineWidth; + line.fLineAscent = fLineAscent; + line.fLineDescent = fLineDescent; + m_pSection->AddLine(line); + } + fMaxY += (fLineAscent + m_pVT->GetLineLeading(m_pSection->m_SecInfo)); + fMaxY -= fLineDescent; + fMaxX = std::max(fLineWidth, fMaxX); + } + } else { + if (bTypeset) { + fLineAscent = m_pVT->GetLineAscent(m_pSection->m_SecInfo); + fLineDescent = m_pVT->GetLineDescent(m_pSection->m_SecInfo); + } else { + fLineAscent = + m_pVT->GetFontAscent(m_pVT->GetDefaultFontIndex(), fFontSize); + fLineDescent = + m_pVT->GetFontDescent(m_pVT->GetDefaultFontIndex(), fFontSize); + } + if (bTypeset) { + line.nBeginWordIndex = -1; + line.nEndWordIndex = -1; + line.nTotalWord = 0; + line.fLineWidth = 0; + line.fLineAscent = fLineAscent; + line.fLineDescent = fLineDescent; + m_pSection->AddLine(line); + } + fMaxY += m_pVT->GetLineLeading(m_pSection->m_SecInfo) + fLineAscent - + fLineDescent; + } + m_rcRet = CPVT_FloatRect(0, 0, fMaxX, fMaxY); +} + +void CTypeset::OutputLines() { + ASSERT(m_pVT); + ASSERT(m_pSection); + FX_FLOAT fMinX = 0.0f, fMinY = 0.0f, fMaxX = 0.0f, fMaxY = 0.0f; + FX_FLOAT fPosX = 0.0f, fPosY = 0.0f; + FX_FLOAT fLineIndent = m_pVT->GetLineIndent(m_pSection->m_SecInfo); + FX_FLOAT fTypesetWidth = std::max(m_pVT->GetPlateWidth() - fLineIndent, 0.0f); + switch (m_pVT->GetAlignment(m_pSection->m_SecInfo)) { + default: + case 0: + fMinX = 0.0f; + break; + case 1: + fMinX = (fTypesetWidth - m_rcRet.Width()) * VARIABLETEXT_HALF; + break; + case 2: + fMinX = fTypesetWidth - m_rcRet.Width(); + break; + } + fMaxX = fMinX + m_rcRet.Width(); + fMinY = 0.0f; + fMaxY = m_rcRet.Height(); + int32_t nTotalLines = m_pSection->m_LineArray.GetSize(); + if (nTotalLines > 0) { + m_pSection->m_SecInfo.nTotalLine = nTotalLines; + for (int32_t l = 0; l < nTotalLines; l++) { + if (CLine* pLine = m_pSection->m_LineArray.GetAt(l)) { + switch (m_pVT->GetAlignment(m_pSection->m_SecInfo)) { + default: + case 0: + fPosX = 0; + break; + case 1: + fPosX = (fTypesetWidth - pLine->m_LineInfo.fLineWidth) * + VARIABLETEXT_HALF; + break; + case 2: + fPosX = fTypesetWidth - pLine->m_LineInfo.fLineWidth; + break; + } + fPosX += fLineIndent; + fPosY += m_pVT->GetLineLeading(m_pSection->m_SecInfo); + fPosY += pLine->m_LineInfo.fLineAscent; + pLine->m_LineInfo.fLineX = fPosX - fMinX; + pLine->m_LineInfo.fLineY = fPosY - fMinY; + for (int32_t w = pLine->m_LineInfo.nBeginWordIndex; + w <= pLine->m_LineInfo.nEndWordIndex; w++) { + if (CPVT_WordInfo* pWord = m_pSection->m_WordArray.GetAt(w)) { + pWord->fWordX = fPosX - fMinX; + if (pWord->pWordProps) { + switch (pWord->pWordProps->nScriptType) { + default: + case CPDF_VariableText::ScriptType::Normal: + pWord->fWordY = fPosY - fMinY; + break; + case CPDF_VariableText::ScriptType::Super: + pWord->fWordY = fPosY - m_pVT->GetWordAscent(*pWord) - fMinY; + break; + case CPDF_VariableText::ScriptType::Sub: + pWord->fWordY = fPosY - m_pVT->GetWordDescent(*pWord) - fMinY; + break; + } + } else { + pWord->fWordY = fPosY - fMinY; + } + fPosX += m_pVT->GetWordWidth(*pWord); + } + } + fPosY -= pLine->m_LineInfo.fLineDescent; + } + } + } + m_rcRet = CPVT_FloatRect(fMinX, fMinY, fMaxX, fMaxY); +} diff --git a/core/fpdfdoc/doc_vt.cpp b/core/fpdfdoc/doc_vt.cpp index 7ca279b41b..7b902f81a7 100644 --- a/core/fpdfdoc/doc_vt.cpp +++ b/core/fpdfdoc/doc_vt.cpp @@ -4,12 +4,6 @@ // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com -#include - -#include "core/fpdfdoc/cpvt_wordinfo.h" -#include "core/fpdfdoc/csection.h" -#include "core/fpdfdoc/include/cpdf_variabletext.h" -#include "core/fpdfdoc/include/fpdf_doc.h" #include "core/fpdfdoc/pdf_vt.h" CLine::CLine() {} @@ -37,733 +31,3 @@ CPVT_WordPlace CLine::GetNextWordPlace(const CPVT_WordPlace& place) const { return CPVT_WordPlace(place.nSecIndex, place.nLineIndex, place.nWordIndex + 1); } -CSection::CSection(CPDF_VariableText* pVT) : m_pVT(pVT) {} -CSection::~CSection() { - ResetAll(); -} -void CSection::ResetAll() { - ResetWordArray(); - ResetLineArray(); -} -void CSection::ResetLineArray() { - m_LineArray.RemoveAll(); -} -void CSection::ResetWordArray() { - for (int32_t i = 0, sz = m_WordArray.GetSize(); i < sz; i++) { - delete m_WordArray.GetAt(i); - } - m_WordArray.RemoveAll(); -} -void CSection::ResetLinePlace() { - for (int32_t i = 0, sz = m_LineArray.GetSize(); i < sz; i++) { - if (CLine* pLine = m_LineArray.GetAt(i)) { - pLine->LinePlace = CPVT_WordPlace(SecPlace.nSecIndex, i, -1); - } - } -} -CPVT_WordPlace CSection::AddWord(const CPVT_WordPlace& place, - const CPVT_WordInfo& wordinfo) { - CPVT_WordInfo* pWord = new CPVT_WordInfo(wordinfo); - int32_t nWordIndex = - std::max(std::min(place.nWordIndex, m_WordArray.GetSize()), 0); - if (nWordIndex == m_WordArray.GetSize()) { - m_WordArray.Add(pWord); - } else { - m_WordArray.InsertAt(nWordIndex, pWord); - } - return place; -} -CPVT_WordPlace CSection::AddLine(const CPVT_LineInfo& lineinfo) { - return CPVT_WordPlace(SecPlace.nSecIndex, m_LineArray.Add(lineinfo), -1); -} -CPVT_FloatRect CSection::Rearrange() { - if (m_pVT->m_nCharArray > 0) { - return CTypeset(this).CharArray(); - } - return CTypeset(this).Typeset(); -} -CFX_SizeF CSection::GetSectionSize(FX_FLOAT fFontSize) { - return CTypeset(this).GetEditSize(fFontSize); -} -CPVT_WordPlace CSection::GetBeginWordPlace() const { - if (CLine* pLine = m_LineArray.GetAt(0)) { - return pLine->GetBeginWordPlace(); - } - return SecPlace; -} -CPVT_WordPlace CSection::GetEndWordPlace() const { - if (CLine* pLine = m_LineArray.GetAt(m_LineArray.GetSize() - 1)) { - return pLine->GetEndWordPlace(); - } - return SecPlace; -} -CPVT_WordPlace CSection::GetPrevWordPlace(const CPVT_WordPlace& place) const { - if (place.nLineIndex < 0) { - return GetBeginWordPlace(); - } - if (place.nLineIndex >= m_LineArray.GetSize()) { - return GetEndWordPlace(); - } - if (CLine* pLine = m_LineArray.GetAt(place.nLineIndex)) { - if (place.nWordIndex == pLine->m_LineInfo.nBeginWordIndex) { - return CPVT_WordPlace(place.nSecIndex, place.nLineIndex, -1); - } - if (place.nWordIndex < pLine->m_LineInfo.nBeginWordIndex) { - if (CLine* pPrevLine = m_LineArray.GetAt(place.nLineIndex - 1)) { - return pPrevLine->GetEndWordPlace(); - } - } else { - return pLine->GetPrevWordPlace(place); - } - } - return place; -} -CPVT_WordPlace CSection::GetNextWordPlace(const CPVT_WordPlace& place) const { - if (place.nLineIndex < 0) { - return GetBeginWordPlace(); - } - if (place.nLineIndex >= m_LineArray.GetSize()) { - return GetEndWordPlace(); - } - if (CLine* pLine = m_LineArray.GetAt(place.nLineIndex)) { - if (place.nWordIndex >= pLine->m_LineInfo.nEndWordIndex) { - if (CLine* pNextLine = m_LineArray.GetAt(place.nLineIndex + 1)) { - return pNextLine->GetBeginWordPlace(); - } - } else { - return pLine->GetNextWordPlace(place); - } - } - return place; -} -void CSection::UpdateWordPlace(CPVT_WordPlace& place) const { - int32_t nLeft = 0; - int32_t nRight = m_LineArray.GetSize() - 1; - int32_t nMid = (nLeft + nRight) / 2; - while (nLeft <= nRight) { - if (CLine* pLine = m_LineArray.GetAt(nMid)) { - if (place.nWordIndex < pLine->m_LineInfo.nBeginWordIndex) { - nRight = nMid - 1; - nMid = (nLeft + nRight) / 2; - } else if (place.nWordIndex > pLine->m_LineInfo.nEndWordIndex) { - nLeft = nMid + 1; - nMid = (nLeft + nRight) / 2; - } else { - place.nLineIndex = nMid; - return; - } - } else { - break; - } - } -} -CPVT_WordPlace CSection::SearchWordPlace(const CFX_FloatPoint& point) const { - ASSERT(m_pVT); - CPVT_WordPlace place = GetBeginWordPlace(); - FX_BOOL bUp = TRUE; - FX_BOOL bDown = TRUE; - int32_t nLeft = 0; - int32_t nRight = m_LineArray.GetSize() - 1; - int32_t nMid = m_LineArray.GetSize() / 2; - FX_FLOAT fTop = 0; - FX_FLOAT fBottom = 0; - while (nLeft <= nRight) { - if (CLine* pLine = m_LineArray.GetAt(nMid)) { - fTop = pLine->m_LineInfo.fLineY - pLine->m_LineInfo.fLineAscent - - m_pVT->GetLineLeading(m_SecInfo); - fBottom = pLine->m_LineInfo.fLineY - pLine->m_LineInfo.fLineDescent; - if (IsFloatBigger(point.y, fTop)) { - bUp = FALSE; - } - if (IsFloatSmaller(point.y, fBottom)) { - bDown = FALSE; - } - if (IsFloatSmaller(point.y, fTop)) { - nRight = nMid - 1; - nMid = (nLeft + nRight) / 2; - continue; - } else if (IsFloatBigger(point.y, fBottom)) { - nLeft = nMid + 1; - nMid = (nLeft + nRight) / 2; - continue; - } else { - place = SearchWordPlace( - point.x, - CPVT_WordRange(pLine->GetNextWordPlace(pLine->GetBeginWordPlace()), - pLine->GetEndWordPlace())); - place.nLineIndex = nMid; - return place; - } - } - } - if (bUp) { - place = GetBeginWordPlace(); - } - if (bDown) { - place = GetEndWordPlace(); - } - return place; -} -CPVT_WordPlace CSection::SearchWordPlace( - FX_FLOAT fx, - const CPVT_WordPlace& lineplace) const { - if (CLine* pLine = m_LineArray.GetAt(lineplace.nLineIndex)) { - return SearchWordPlace( - fx - m_SecInfo.rcSection.left, - CPVT_WordRange(pLine->GetNextWordPlace(pLine->GetBeginWordPlace()), - pLine->GetEndWordPlace())); - } - return GetBeginWordPlace(); -} -CPVT_WordPlace CSection::SearchWordPlace(FX_FLOAT fx, - const CPVT_WordRange& range) const { - CPVT_WordPlace wordplace = range.BeginPos; - wordplace.nWordIndex = -1; - if (!m_pVT) { - return wordplace; - } - int32_t nLeft = range.BeginPos.nWordIndex; - int32_t nRight = range.EndPos.nWordIndex + 1; - int32_t nMid = (nLeft + nRight) / 2; - while (nLeft < nRight) { - if (nMid == nLeft) { - break; - } - if (nMid == nRight) { - nMid--; - break; - } - if (CPVT_WordInfo* pWord = m_WordArray.GetAt(nMid)) { - if (fx > - pWord->fWordX + m_pVT->GetWordWidth(*pWord) * VARIABLETEXT_HALF) { - nLeft = nMid; - nMid = (nLeft + nRight) / 2; - continue; - } else { - nRight = nMid; - nMid = (nLeft + nRight) / 2; - continue; - } - } else { - break; - } - } - if (CPVT_WordInfo* pWord = m_WordArray.GetAt(nMid)) { - if (fx > pWord->fWordX + m_pVT->GetWordWidth(*pWord) * VARIABLETEXT_HALF) { - wordplace.nWordIndex = nMid; - } - } - return wordplace; -} -void CSection::ClearLeftWords(int32_t nWordIndex) { - for (int32_t i = nWordIndex; i >= 0; i--) { - delete m_WordArray.GetAt(i); - m_WordArray.RemoveAt(i); - } -} -void CSection::ClearRightWords(int32_t nWordIndex) { - for (int32_t i = m_WordArray.GetSize() - 1; i > nWordIndex; i--) { - delete m_WordArray.GetAt(i); - m_WordArray.RemoveAt(i); - } -} -void CSection::ClearMidWords(int32_t nBeginIndex, int32_t nEndIndex) { - for (int32_t i = nEndIndex; i > nBeginIndex; i--) { - delete m_WordArray.GetAt(i); - m_WordArray.RemoveAt(i); - } -} -void CSection::ClearWords(const CPVT_WordRange& PlaceRange) { - CPVT_WordPlace SecBeginPos = GetBeginWordPlace(); - CPVT_WordPlace SecEndPos = GetEndWordPlace(); - if (PlaceRange.BeginPos.WordCmp(SecBeginPos) >= 0) { - if (PlaceRange.EndPos.WordCmp(SecEndPos) <= 0) { - ClearMidWords(PlaceRange.BeginPos.nWordIndex, - PlaceRange.EndPos.nWordIndex); - } else { - ClearRightWords(PlaceRange.BeginPos.nWordIndex); - } - } else if (PlaceRange.EndPos.WordCmp(SecEndPos) <= 0) { - ClearLeftWords(PlaceRange.EndPos.nWordIndex); - } else { - ResetWordArray(); - } -} -void CSection::ClearWord(const CPVT_WordPlace& place) { - delete m_WordArray.GetAt(place.nWordIndex); - m_WordArray.RemoveAt(place.nWordIndex); -} -CTypeset::CTypeset(CSection* pSection) - : m_rcRet(0.0f, 0.0f, 0.0f, 0.0f), - m_pVT(pSection->m_pVT), - m_pSection(pSection) {} -CTypeset::~CTypeset() {} -CPVT_FloatRect CTypeset::CharArray() { - ASSERT(m_pSection); - FX_FLOAT fLineAscent = - m_pVT->GetFontAscent(m_pVT->GetDefaultFontIndex(), m_pVT->GetFontSize()); - FX_FLOAT fLineDescent = - m_pVT->GetFontDescent(m_pVT->GetDefaultFontIndex(), m_pVT->GetFontSize()); - m_rcRet.Default(); - FX_FLOAT x = 0.0f, y = 0.0f; - FX_FLOAT fNextWidth; - int32_t nStart = 0; - FX_FLOAT fNodeWidth = m_pVT->GetPlateWidth() / - (m_pVT->m_nCharArray <= 0 ? 1 : m_pVT->m_nCharArray); - if (CLine* pLine = m_pSection->m_LineArray.GetAt(0)) { - x = 0.0f; - y += m_pVT->GetLineLeading(m_pSection->m_SecInfo); - y += fLineAscent; - nStart = 0; - switch (m_pVT->GetAlignment(m_pSection->m_SecInfo)) { - case 0: - pLine->m_LineInfo.fLineX = fNodeWidth * VARIABLETEXT_HALF; - break; - case 1: - nStart = (m_pVT->m_nCharArray - m_pSection->m_WordArray.GetSize()) / 2; - pLine->m_LineInfo.fLineX = - fNodeWidth * nStart - fNodeWidth * VARIABLETEXT_HALF; - break; - case 2: - nStart = m_pVT->m_nCharArray - m_pSection->m_WordArray.GetSize(); - pLine->m_LineInfo.fLineX = - fNodeWidth * nStart - fNodeWidth * VARIABLETEXT_HALF; - break; - } - for (int32_t w = 0, sz = m_pSection->m_WordArray.GetSize(); w < sz; w++) { - if (w >= m_pVT->m_nCharArray) { - break; - } - fNextWidth = 0; - if (CPVT_WordInfo* pNextWord = - (CPVT_WordInfo*)m_pSection->m_WordArray.GetAt(w + 1)) { - pNextWord->fWordTail = 0; - fNextWidth = m_pVT->GetWordWidth(*pNextWord); - } - if (CPVT_WordInfo* pWord = - (CPVT_WordInfo*)m_pSection->m_WordArray.GetAt(w)) { - pWord->fWordTail = 0; - FX_FLOAT fWordWidth = m_pVT->GetWordWidth(*pWord); - FX_FLOAT fWordAscent = m_pVT->GetWordAscent(*pWord); - FX_FLOAT fWordDescent = m_pVT->GetWordDescent(*pWord); - x = (FX_FLOAT)(fNodeWidth * (w + nStart + 0.5) - - fWordWidth * VARIABLETEXT_HALF); - pWord->fWordX = x; - pWord->fWordY = y; - if (w == 0) { - pLine->m_LineInfo.fLineX = x; - } - if (w != m_pSection->m_WordArray.GetSize() - 1) { - pWord->fWordTail = - (fNodeWidth - (fWordWidth + fNextWidth) * VARIABLETEXT_HALF > 0 - ? fNodeWidth - (fWordWidth + fNextWidth) * VARIABLETEXT_HALF - : 0); - } else { - pWord->fWordTail = 0; - } - x += fWordWidth; - fLineAscent = std::max(fLineAscent, fWordAscent); - fLineDescent = std::min(fLineDescent, fWordDescent); - } - } - pLine->m_LineInfo.nBeginWordIndex = 0; - pLine->m_LineInfo.nEndWordIndex = m_pSection->m_WordArray.GetSize() - 1; - pLine->m_LineInfo.fLineY = y; - pLine->m_LineInfo.fLineWidth = x - pLine->m_LineInfo.fLineX; - pLine->m_LineInfo.fLineAscent = fLineAscent; - pLine->m_LineInfo.fLineDescent = fLineDescent; - y -= fLineDescent; - } - return m_rcRet = CPVT_FloatRect(0, 0, x, y); -} -CFX_SizeF CTypeset::GetEditSize(FX_FLOAT fFontSize) { - ASSERT(m_pSection); - ASSERT(m_pVT); - SplitLines(FALSE, fFontSize); - return CFX_SizeF(m_rcRet.Width(), m_rcRet.Height()); -} -CPVT_FloatRect CTypeset::Typeset() { - ASSERT(m_pVT); - m_pSection->m_LineArray.Empty(); - SplitLines(TRUE, 0.0f); - m_pSection->m_LineArray.Clear(); - OutputLines(); - return m_rcRet; -} - -static const uint8_t special_chars[128] = { - 0x00, 0x0C, 0x08, 0x0C, 0x08, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x00, - 0x10, 0x00, 0x00, 0x28, 0x0C, 0x08, 0x00, 0x00, 0x28, 0x28, 0x28, 0x28, - 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x08, 0x08, - 0x00, 0x00, 0x00, 0x08, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, - 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, - 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x0C, 0x00, 0x08, 0x00, 0x00, - 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, - 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, - 0x01, 0x01, 0x01, 0x0C, 0x00, 0x08, 0x00, 0x00, -}; - -static bool IsLatin(uint16_t word) { - if (word <= 0x007F) - return !!(special_chars[word] & 0x01); - - return ((word >= 0x00C0 && word <= 0x00FF) || - (word >= 0x0100 && word <= 0x024F) || - (word >= 0x1E00 && word <= 0x1EFF) || - (word >= 0x2C60 && word <= 0x2C7F) || - (word >= 0xA720 && word <= 0xA7FF) || - (word >= 0xFF21 && word <= 0xFF3A) || - (word >= 0xFF41 && word <= 0xFF5A)); -} - -static bool IsDigit(uint32_t word) { - return word >= 0x0030 && word <= 0x0039; -} - -static bool IsCJK(uint32_t word) { - if ((word >= 0x1100 && word <= 0x11FF) || - (word >= 0x2E80 && word <= 0x2FFF) || - (word >= 0x3040 && word <= 0x9FBF) || - (word >= 0xAC00 && word <= 0xD7AF) || - (word >= 0xF900 && word <= 0xFAFF) || - (word >= 0xFE30 && word <= 0xFE4F) || - (word >= 0x20000 && word <= 0x2A6DF) || - (word >= 0x2F800 && word <= 0x2FA1F)) { - return true; - } - if (word >= 0x3000 && word <= 0x303F) { - return ( - word == 0x3005 || word == 0x3006 || word == 0x3021 || word == 0x3022 || - word == 0x3023 || word == 0x3024 || word == 0x3025 || word == 0x3026 || - word == 0x3027 || word == 0x3028 || word == 0x3029 || word == 0x3031 || - word == 0x3032 || word == 0x3033 || word == 0x3034 || word == 0x3035); - } - return word >= 0xFF66 && word <= 0xFF9D; -} - -static bool IsPunctuation(uint32_t word) { - if (word <= 0x007F) - return !!(special_chars[word] & 0x08); - - if (word >= 0x0080 && word <= 0x00FF) { - return (word == 0x0082 || word == 0x0084 || word == 0x0085 || - word == 0x0091 || word == 0x0092 || word == 0x0093 || - word <= 0x0094 || word == 0x0096 || word == 0x00B4 || - word == 0x00B8); - } - - if (word >= 0x2000 && word <= 0x206F) { - return ( - word == 0x2010 || word == 0x2011 || word == 0x2012 || word == 0x2013 || - word == 0x2018 || word == 0x2019 || word == 0x201A || word == 0x201B || - word == 0x201C || word == 0x201D || word == 0x201E || word == 0x201F || - word == 0x2032 || word == 0x2033 || word == 0x2034 || word == 0x2035 || - word == 0x2036 || word == 0x2037 || word == 0x203C || word == 0x203D || - word == 0x203E || word == 0x2044); - } - - if (word >= 0x3000 && word <= 0x303F) { - return ( - word == 0x3001 || word == 0x3002 || word == 0x3003 || word == 0x3005 || - word == 0x3009 || word == 0x300A || word == 0x300B || word == 0x300C || - word == 0x300D || word == 0x300F || word == 0x300E || word == 0x3010 || - word == 0x3011 || word == 0x3014 || word == 0x3015 || word == 0x3016 || - word == 0x3017 || word == 0x3018 || word == 0x3019 || word == 0x301A || - word == 0x301B || word == 0x301D || word == 0x301E || word == 0x301F); - } - - if (word >= 0xFE50 && word <= 0xFE6F) - return (word >= 0xFE50 && word <= 0xFE5E) || word == 0xFE63; - - if (word >= 0xFF00 && word <= 0xFFEF) { - return ( - word == 0xFF01 || word == 0xFF02 || word == 0xFF07 || word == 0xFF08 || - word == 0xFF09 || word == 0xFF0C || word == 0xFF0E || word == 0xFF0F || - word == 0xFF1A || word == 0xFF1B || word == 0xFF1F || word == 0xFF3B || - word == 0xFF3D || word == 0xFF40 || word == 0xFF5B || word == 0xFF5C || - word == 0xFF5D || word == 0xFF61 || word == 0xFF62 || word == 0xFF63 || - word == 0xFF64 || word == 0xFF65 || word == 0xFF9E || word == 0xFF9F); - } - - return false; -} - -static bool IsConnectiveSymbol(uint32_t word) { - return word <= 0x007F && (special_chars[word] & 0x20); -} - -static bool IsOpenStylePunctuation(uint32_t word) { - if (word <= 0x007F) - return !!(special_chars[word] & 0x04); - - return (word == 0x300A || word == 0x300C || word == 0x300E || - word == 0x3010 || word == 0x3014 || word == 0x3016 || - word == 0x3018 || word == 0x301A || word == 0xFF08 || - word == 0xFF3B || word == 0xFF5B || word == 0xFF62); -} - -static bool IsCurrencySymbol(uint16_t word) { - return (word == 0x0024 || word == 0x0080 || word == 0x00A2 || - word == 0x00A3 || word == 0x00A4 || word == 0x00A5 || - (word >= 0x20A0 && word <= 0x20CF) || word == 0xFE69 || - word == 0xFF04 || word == 0xFFE0 || word == 0xFFE1 || - word == 0xFFE5 || word == 0xFFE6); -} - -static bool IsPrefixSymbol(uint16_t word) { - return IsCurrencySymbol(word) || word == 0x2116; -} - -static bool IsSpace(uint16_t word) { - return word == 0x0020 || word == 0x3000; -} - -static bool NeedDivision(uint16_t prevWord, uint16_t curWord) { - if ((IsLatin(prevWord) || IsDigit(prevWord)) && - (IsLatin(curWord) || IsDigit(curWord))) { - return false; - } - if (IsSpace(curWord) || IsPunctuation(curWord)) { - return false; - } - if (IsConnectiveSymbol(prevWord) || IsConnectiveSymbol(curWord)) { - return false; - } - if (IsSpace(prevWord) || IsPunctuation(prevWord)) { - return true; - } - if (IsPrefixSymbol(prevWord)) { - return false; - } - if (IsPrefixSymbol(curWord) || IsCJK(curWord)) { - return true; - } - if (IsCJK(prevWord)) { - return true; - } - return false; -} - -void CTypeset::SplitLines(FX_BOOL bTypeset, FX_FLOAT fFontSize) { - ASSERT(m_pVT); - ASSERT(m_pSection); - int32_t nLineHead = 0; - int32_t nLineTail = 0; - FX_FLOAT fMaxX = 0.0f, fMaxY = 0.0f; - FX_FLOAT fLineWidth = 0.0f, fBackupLineWidth = 0.0f; - FX_FLOAT fLineAscent = 0.0f, fBackupLineAscent = 0.0f; - FX_FLOAT fLineDescent = 0.0f, fBackupLineDescent = 0.0f; - int32_t nWordStartPos = 0; - FX_BOOL bFullWord = FALSE; - int32_t nLineFullWordIndex = 0; - int32_t nCharIndex = 0; - CPVT_LineInfo line; - FX_FLOAT fWordWidth = 0; - FX_FLOAT fTypesetWidth = std::max( - m_pVT->GetPlateWidth() - m_pVT->GetLineIndent(m_pSection->m_SecInfo), - 0.0f); - int32_t nTotalWords = m_pSection->m_WordArray.GetSize(); - FX_BOOL bOpened = FALSE; - if (nTotalWords > 0) { - int32_t i = 0; - while (i < nTotalWords) { - CPVT_WordInfo* pWord = m_pSection->m_WordArray.GetAt(i); - CPVT_WordInfo* pOldWord = pWord; - if (i > 0) { - pOldWord = m_pSection->m_WordArray.GetAt(i - 1); - } - if (pWord) { - if (bTypeset) { - fLineAscent = - std::max(fLineAscent, m_pVT->GetWordAscent(*pWord, TRUE)); - fLineDescent = - std::min(fLineDescent, m_pVT->GetWordDescent(*pWord, TRUE)); - fWordWidth = m_pVT->GetWordWidth(*pWord); - } else { - fLineAscent = - std::max(fLineAscent, m_pVT->GetWordAscent(*pWord, fFontSize)); - fLineDescent = - std::min(fLineDescent, m_pVT->GetWordDescent(*pWord, fFontSize)); - fWordWidth = m_pVT->GetWordWidth( - pWord->nFontIndex, pWord->Word, m_pVT->m_wSubWord, - m_pVT->m_fCharSpace, m_pVT->m_nHorzScale, fFontSize, - pWord->fWordTail, 0); - } - if (!bOpened) { - if (IsOpenStylePunctuation(pWord->Word)) { - bOpened = TRUE; - bFullWord = TRUE; - } else if (pOldWord) { - if (NeedDivision(pOldWord->Word, pWord->Word)) { - bFullWord = TRUE; - } - } - } else { - if (!IsSpace(pWord->Word) && !IsOpenStylePunctuation(pWord->Word)) { - bOpened = FALSE; - } - } - if (bFullWord) { - bFullWord = FALSE; - if (nCharIndex > 0) { - nLineFullWordIndex++; - } - nWordStartPos = i; - fBackupLineWidth = fLineWidth; - fBackupLineAscent = fLineAscent; - fBackupLineDescent = fLineDescent; - } - nCharIndex++; - } - if (m_pVT->m_bLimitWidth && fTypesetWidth > 0 && - fLineWidth + fWordWidth > fTypesetWidth) { - if (nLineFullWordIndex > 0) { - i = nWordStartPos; - fLineWidth = fBackupLineWidth; - fLineAscent = fBackupLineAscent; - fLineDescent = fBackupLineDescent; - } - if (nCharIndex == 1) { - fLineWidth = fWordWidth; - i++; - } - nLineTail = i - 1; - if (bTypeset) { - line.nBeginWordIndex = nLineHead; - line.nEndWordIndex = nLineTail; - line.nTotalWord = nLineTail - nLineHead + 1; - line.fLineWidth = fLineWidth; - line.fLineAscent = fLineAscent; - line.fLineDescent = fLineDescent; - m_pSection->AddLine(line); - } - fMaxY += (fLineAscent + m_pVT->GetLineLeading(m_pSection->m_SecInfo)); - fMaxY -= fLineDescent; - fMaxX = std::max(fLineWidth, fMaxX); - nLineHead = i; - fLineWidth = 0.0f; - fLineAscent = 0.0f; - fLineDescent = 0.0f; - nCharIndex = 0; - nLineFullWordIndex = 0; - bFullWord = FALSE; - } else { - fLineWidth += fWordWidth; - i++; - } - } - if (nLineHead <= nTotalWords - 1) { - nLineTail = nTotalWords - 1; - if (bTypeset) { - line.nBeginWordIndex = nLineHead; - line.nEndWordIndex = nLineTail; - line.nTotalWord = nLineTail - nLineHead + 1; - line.fLineWidth = fLineWidth; - line.fLineAscent = fLineAscent; - line.fLineDescent = fLineDescent; - m_pSection->AddLine(line); - } - fMaxY += (fLineAscent + m_pVT->GetLineLeading(m_pSection->m_SecInfo)); - fMaxY -= fLineDescent; - fMaxX = std::max(fLineWidth, fMaxX); - } - } else { - if (bTypeset) { - fLineAscent = m_pVT->GetLineAscent(m_pSection->m_SecInfo); - fLineDescent = m_pVT->GetLineDescent(m_pSection->m_SecInfo); - } else { - fLineAscent = - m_pVT->GetFontAscent(m_pVT->GetDefaultFontIndex(), fFontSize); - fLineDescent = - m_pVT->GetFontDescent(m_pVT->GetDefaultFontIndex(), fFontSize); - } - if (bTypeset) { - line.nBeginWordIndex = -1; - line.nEndWordIndex = -1; - line.nTotalWord = 0; - line.fLineWidth = 0; - line.fLineAscent = fLineAscent; - line.fLineDescent = fLineDescent; - m_pSection->AddLine(line); - } - fMaxY += m_pVT->GetLineLeading(m_pSection->m_SecInfo) + fLineAscent - - fLineDescent; - } - m_rcRet = CPVT_FloatRect(0, 0, fMaxX, fMaxY); -} -void CTypeset::OutputLines() { - ASSERT(m_pVT); - ASSERT(m_pSection); - FX_FLOAT fMinX = 0.0f, fMinY = 0.0f, fMaxX = 0.0f, fMaxY = 0.0f; - FX_FLOAT fPosX = 0.0f, fPosY = 0.0f; - FX_FLOAT fLineIndent = m_pVT->GetLineIndent(m_pSection->m_SecInfo); - FX_FLOAT fTypesetWidth = std::max(m_pVT->GetPlateWidth() - fLineIndent, 0.0f); - switch (m_pVT->GetAlignment(m_pSection->m_SecInfo)) { - default: - case 0: - fMinX = 0.0f; - break; - case 1: - fMinX = (fTypesetWidth - m_rcRet.Width()) * VARIABLETEXT_HALF; - break; - case 2: - fMinX = fTypesetWidth - m_rcRet.Width(); - break; - } - fMaxX = fMinX + m_rcRet.Width(); - fMinY = 0.0f; - fMaxY = m_rcRet.Height(); - int32_t nTotalLines = m_pSection->m_LineArray.GetSize(); - if (nTotalLines > 0) { - m_pSection->m_SecInfo.nTotalLine = nTotalLines; - for (int32_t l = 0; l < nTotalLines; l++) { - if (CLine* pLine = m_pSection->m_LineArray.GetAt(l)) { - switch (m_pVT->GetAlignment(m_pSection->m_SecInfo)) { - default: - case 0: - fPosX = 0; - break; - case 1: - fPosX = (fTypesetWidth - pLine->m_LineInfo.fLineWidth) * - VARIABLETEXT_HALF; - break; - case 2: - fPosX = fTypesetWidth - pLine->m_LineInfo.fLineWidth; - break; - } - fPosX += fLineIndent; - fPosY += m_pVT->GetLineLeading(m_pSection->m_SecInfo); - fPosY += pLine->m_LineInfo.fLineAscent; - pLine->m_LineInfo.fLineX = fPosX - fMinX; - pLine->m_LineInfo.fLineY = fPosY - fMinY; - for (int32_t w = pLine->m_LineInfo.nBeginWordIndex; - w <= pLine->m_LineInfo.nEndWordIndex; w++) { - if (CPVT_WordInfo* pWord = m_pSection->m_WordArray.GetAt(w)) { - pWord->fWordX = fPosX - fMinX; - if (pWord->pWordProps) { - switch (pWord->pWordProps->nScriptType) { - default: - case CPDF_VariableText::ScriptType::Normal: - pWord->fWordY = fPosY - fMinY; - break; - case CPDF_VariableText::ScriptType::Super: - pWord->fWordY = fPosY - m_pVT->GetWordAscent(*pWord) - fMinY; - break; - case CPDF_VariableText::ScriptType::Sub: - pWord->fWordY = fPosY - m_pVT->GetWordDescent(*pWord) - fMinY; - break; - } - } else { - pWord->fWordY = fPosY - fMinY; - } - fPosX += m_pVT->GetWordWidth(*pWord); - } - } - fPosY -= pLine->m_LineInfo.fLineDescent; - } - } - } - m_rcRet = CPVT_FloatRect(fMinX, fMinY, fMaxX, fMaxY); -} diff --git a/pdfium.gyp b/pdfium.gyp index 10bba9d488..63b4011e3f 100644 --- a/pdfium.gyp +++ b/pdfium.gyp @@ -235,7 +235,9 @@ 'core/fpdfdoc/cpvt_lineinfo.h', 'core/fpdfdoc/cpvt_sectioninfo.h', 'core/fpdfdoc/cpvt_wordinfo.h', + 'core/fpdfdoc/csection.cpp', 'core/fpdfdoc/csection.h', + 'core/fpdfdoc/ctypeset.cpp', 'core/fpdfdoc/ctypeset.h', 'core/fpdfdoc/doc_action.cpp', 'core/fpdfdoc/doc_annot.cpp', -- cgit v1.2.3