Fold CPVT_Typeset into CPVT_Section.
CPVT_Typeset is a short-lived class that is only instantiated within
CPVT_Section to perform actions on the CPVT_Section. Just integrate it
into CPVT_Section.
Change-Id: I298fcaa410d86b1cfd030e188c6bf00f929ad2ba
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/79052
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
diff --git a/core/fpdfdoc/BUILD.gn b/core/fpdfdoc/BUILD.gn
index ffd75fd..4adbac2 100644
--- a/core/fpdfdoc/BUILD.gn
+++ b/core/fpdfdoc/BUILD.gn
@@ -70,8 +70,6 @@
"cpvt_lineinfo.h",
"cpvt_section.cpp",
"cpvt_section.h",
- "cpvt_typeset.cpp",
- "cpvt_typeset.h",
"cpvt_word.h",
"cpvt_wordinfo.cpp",
"cpvt_wordinfo.h",
diff --git a/core/fpdfdoc/cpvt_section.cpp b/core/fpdfdoc/cpvt_section.cpp
index 656e326..c63d2c9 100644
--- a/core/fpdfdoc/cpvt_section.cpp
+++ b/core/fpdfdoc/cpvt_section.cpp
@@ -13,6 +13,165 @@
#include "third_party/base/check.h"
#include "third_party/base/stl_util.h"
+namespace {
+
+constexpr uint8_t kSpecialChars[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 !!(kSpecialChars[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 !!(kSpecialChars[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 && (kSpecialChars[word] & 0x20);
+}
+
+bool IsOpenStylePunctuation(uint32_t word) {
+ if (word <= 0x007F)
+ return !!(kSpecialChars[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
+
CPVT_Section::Line::Line(const CPVT_LineInfo& lineinfo)
: m_LineInfo(lineinfo) {}
@@ -77,12 +236,13 @@
CPVT_FloatRect CPVT_Section::Rearrange() {
if (m_pVT->GetCharArray() > 0)
- return CPVT_Typeset(this).CharArray();
- return CPVT_Typeset(this).Typeset();
+ return RearrangeCharArray();
+ return RearrangeTypeset();
}
CFX_SizeF CPVT_Section::GetSectionSize(float fFontSize) {
- return CPVT_Typeset(this).GetEditSize(fFontSize);
+ CPVT_FloatRect result = SplitLines(/*bTypeset=*/false, fFontSize);
+ return CFX_SizeF(result.Width(), result.Height());
}
CPVT_WordPlace CPVT_Section::GetBeginWordPlace() const {
@@ -243,6 +403,295 @@
return wordplace;
}
+CPVT_FloatRect CPVT_Section::RearrangeCharArray() const {
+ if (m_LineArray.empty())
+ return CPVT_FloatRect();
+
+ float fNodeWidth = m_pVT->GetPlateWidth() /
+ (m_pVT->GetCharArray() <= 0 ? 1 : m_pVT->GetCharArray());
+ float fLineAscent =
+ m_pVT->GetFontAscent(m_pVT->GetDefaultFontIndex(), m_pVT->GetFontSize());
+ float fLineDescent =
+ m_pVT->GetFontDescent(m_pVT->GetDefaultFontIndex(), m_pVT->GetFontSize());
+ float x = 0.0f;
+ float y = m_pVT->GetLineLeading() + fLineAscent;
+ int32_t nStart = 0;
+ CPVT_Section::Line* pLine = m_LineArray.front().get();
+ switch (m_pVT->GetAlignment()) {
+ case 0:
+ pLine->m_LineInfo.fLineX = fNodeWidth * VARIABLETEXT_HALF;
+ break;
+ case 1:
+ nStart = (m_pVT->GetCharArray() -
+ pdfium::CollectionSize<int32_t>(m_WordArray)) /
+ 2;
+ pLine->m_LineInfo.fLineX =
+ fNodeWidth * nStart - fNodeWidth * VARIABLETEXT_HALF;
+ break;
+ case 2:
+ nStart =
+ m_pVT->GetCharArray() - pdfium::CollectionSize<int32_t>(m_WordArray);
+ pLine->m_LineInfo.fLineX =
+ fNodeWidth * nStart - fNodeWidth * VARIABLETEXT_HALF;
+ break;
+ }
+ for (int32_t w = 0, sz = pdfium::CollectionSize<int32_t>(m_WordArray); w < sz;
+ w++) {
+ if (w >= m_pVT->GetCharArray())
+ break;
+
+ float fNextWidth = 0;
+ if (pdfium::IndexInBounds(m_WordArray, w + 1)) {
+ CPVT_WordInfo* pNextWord = m_WordArray[w + 1].get();
+ pNextWord->fWordTail = 0;
+ fNextWidth = m_pVT->GetWordWidth(*pNextWord);
+ }
+ CPVT_WordInfo* pWord = m_WordArray[w].get();
+ pWord->fWordTail = 0;
+ float fWordWidth = m_pVT->GetWordWidth(*pWord);
+ float fWordAscent = m_pVT->GetWordAscent(*pWord);
+ float fWordDescent = m_pVT->GetWordDescent(*pWord);
+ x = (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 != pdfium::CollectionSize<int32_t>(m_WordArray) - 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 =
+ pdfium::CollectionSize<int32_t>(m_WordArray) - 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;
+ return CPVT_FloatRect(0, 0, x, y - fLineDescent);
+}
+
+CPVT_FloatRect CPVT_Section::RearrangeTypeset() {
+ m_LineArray.clear();
+ return OutputLines(SplitLines(/*bTypeset=*/true, /*fFontSize=*/0.0f));
+}
+
+CPVT_FloatRect CPVT_Section::SplitLines(bool bTypeset, float fFontSize) {
+ CPVT_LineInfo line;
+ if (m_WordArray.empty()) {
+ float fLineAscent;
+ float fLineDescent;
+ if (bTypeset) {
+ fLineAscent = m_pVT->GetLineAscent();
+ fLineDescent = m_pVT->GetLineDescent();
+ } 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;
+ AddLine(line);
+ }
+ float fMaxY = m_pVT->GetLineLeading() + fLineAscent - fLineDescent;
+ return CPVT_FloatRect(0, 0, 0, fMaxY);
+ }
+
+ int32_t nLineHead = 0;
+ int32_t nLineTail = 0;
+ float fMaxX = 0.0f;
+ float fMaxY = 0.0f;
+ float fLineWidth = 0.0f;
+ float fBackupLineWidth = 0.0f;
+ float fLineAscent = 0.0f;
+ float fBackupLineAscent = 0.0f;
+ float fLineDescent = 0.0f;
+ float fBackupLineDescent = 0.0f;
+ int32_t nWordStartPos = 0;
+ bool bFullWord = false;
+ int32_t nLineFullWordIndex = 0;
+ int32_t nCharIndex = 0;
+ float fWordWidth = 0;
+ float fTypesetWidth =
+ std::max(m_pVT->GetPlateWidth() - m_pVT->GetLineIndent(), 0.0f);
+ int32_t nTotalWords = pdfium::CollectionSize<int32_t>(m_WordArray);
+ bool bOpened = false;
+ int32_t i = 0;
+ while (i < nTotalWords) {
+ CPVT_WordInfo* pWord = m_WordArray[i].get();
+ CPVT_WordInfo* pOldWord = pWord;
+ if (i > 0) {
+ pOldWord = m_WordArray[i - 1].get();
+ }
+ if (pWord) {
+ if (bTypeset) {
+ fLineAscent = std::max(fLineAscent, m_pVT->GetWordAscent(*pWord));
+ fLineDescent = std::min(fLineDescent, m_pVT->GetWordDescent(*pWord));
+ 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->GetSubWord(),
+ m_pVT->GetCharSpace(), fFontSize, pWord->fWordTail);
+ }
+ 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->IsAutoReturn() && 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;
+ AddLine(line);
+ }
+ fMaxY += (fLineAscent + m_pVT->GetLineLeading());
+ 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;
+ AddLine(line);
+ }
+ fMaxY += (fLineAscent + m_pVT->GetLineLeading());
+ fMaxY -= fLineDescent;
+ fMaxX = std::max(fLineWidth, fMaxX);
+ }
+ return CPVT_FloatRect(0, 0, fMaxX, fMaxY);
+}
+
+CPVT_FloatRect CPVT_Section::OutputLines(const CPVT_FloatRect& rect) const {
+ float fMinX;
+ float fLineIndent = m_pVT->GetLineIndent();
+ float fTypesetWidth = std::max(m_pVT->GetPlateWidth() - fLineIndent, 0.0f);
+ switch (m_pVT->GetAlignment()) {
+ default:
+ case 0:
+ fMinX = 0.0f;
+ break;
+ case 1:
+ fMinX = (fTypesetWidth - rect.Width()) * VARIABLETEXT_HALF;
+ break;
+ case 2:
+ fMinX = fTypesetWidth - rect.Width();
+ break;
+ }
+ float fMaxX = fMinX + rect.Width();
+ float fMinY = 0.0f;
+ float fMaxY = rect.Height();
+ int32_t nTotalLines = pdfium::CollectionSize<int32_t>(m_LineArray);
+ if (nTotalLines > 0) {
+ float fPosX = 0.0f;
+ float fPosY = 0.0f;
+ for (int32_t l = 0; l < nTotalLines; l++) {
+ CPVT_Section::Line* pLine = m_LineArray[l].get();
+ switch (m_pVT->GetAlignment()) {
+ 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();
+ 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 (pdfium::IndexInBounds(m_WordArray, w)) {
+ CPVT_WordInfo* pWord = m_WordArray[w].get();
+ pWord->fWordX = fPosX - fMinX;
+ pWord->fWordY = fPosY - fMinY;
+
+ fPosX += m_pVT->GetWordWidth(*pWord);
+ }
+ }
+ fPosY -= pLine->m_LineInfo.fLineDescent;
+ }
+ }
+ return CPVT_FloatRect(fMinX, fMinY, fMaxX, fMaxY);
+}
+
void CPVT_Section::ClearLeftWords(int32_t nWordIndex) {
for (int32_t i = nWordIndex; i >= 0; i--) {
if (pdfium::IndexInBounds(m_WordArray, i))
diff --git a/core/fpdfdoc/cpvt_section.h b/core/fpdfdoc/cpvt_section.h
index 415cabb..2cb91a9 100644
--- a/core/fpdfdoc/cpvt_section.h
+++ b/core/fpdfdoc/cpvt_section.h
@@ -10,8 +10,8 @@
#include <memory>
#include <vector>
+#include "core/fpdfdoc/cpvt_floatrect.h"
#include "core/fpdfdoc/cpvt_lineinfo.h"
-#include "core/fpdfdoc/cpvt_typeset.h"
#include "core/fpdfdoc/cpvt_wordinfo.h"
#include "core/fpdfdoc/cpvt_wordrange.h"
#include "core/fxcrt/fx_coordinates.h"
@@ -65,7 +65,10 @@
std::vector<std::unique_ptr<CPVT_WordInfo>> m_WordArray;
private:
- friend class CPVT_Typeset;
+ CPVT_FloatRect RearrangeCharArray() const;
+ CPVT_FloatRect RearrangeTypeset();
+ CPVT_FloatRect SplitLines(bool bTypeset, float fFontSize);
+ CPVT_FloatRect OutputLines(const CPVT_FloatRect& rect) const;
void ClearLeftWords(int32_t nWordIndex);
void ClearRightWords(int32_t nWordIndex);
diff --git a/core/fpdfdoc/cpvt_typeset.cpp b/core/fpdfdoc/cpvt_typeset.cpp
deleted file mode 100644
index c22bff8..0000000
--- a/core/fpdfdoc/cpvt_typeset.cpp
+++ /dev/null
@@ -1,489 +0,0 @@
-// 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/cpvt_typeset.h"
-
-#include <algorithm>
-
-#include "core/fpdfdoc/cpdf_variabletext.h"
-#include "core/fpdfdoc/cpvt_section.h"
-#include "core/fpdfdoc/cpvt_wordinfo.h"
-#include "third_party/base/check.h"
-#include "third_party/base/stl_util.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
-
-CPVT_Typeset::CPVT_Typeset(CPVT_Section* pSection)
- : m_pVT(pSection->m_pVT), m_pSection(pSection) {}
-
-CPVT_Typeset::~CPVT_Typeset() = default;
-
-CPVT_FloatRect CPVT_Typeset::CharArray() {
- m_rcRet = CPVT_FloatRect();
- if (m_pSection->m_LineArray.empty())
- return m_rcRet;
-
- float fNodeWidth = m_pVT->GetPlateWidth() /
- (m_pVT->GetCharArray() <= 0 ? 1 : m_pVT->GetCharArray());
- float fLineAscent =
- m_pVT->GetFontAscent(m_pVT->GetDefaultFontIndex(), m_pVT->GetFontSize());
- float fLineDescent =
- m_pVT->GetFontDescent(m_pVT->GetDefaultFontIndex(), m_pVT->GetFontSize());
- float x = 0.0f;
- float y = m_pVT->GetLineLeading() + fLineAscent;
- int32_t nStart = 0;
- CPVT_Section::Line* pLine = m_pSection->m_LineArray.front().get();
- switch (m_pVT->GetAlignment()) {
- case 0:
- pLine->m_LineInfo.fLineX = fNodeWidth * VARIABLETEXT_HALF;
- break;
- case 1:
- nStart = (m_pVT->GetCharArray() -
- pdfium::CollectionSize<int32_t>(m_pSection->m_WordArray)) /
- 2;
- pLine->m_LineInfo.fLineX =
- fNodeWidth * nStart - fNodeWidth * VARIABLETEXT_HALF;
- break;
- case 2:
- nStart = m_pVT->GetCharArray() -
- pdfium::CollectionSize<int32_t>(m_pSection->m_WordArray);
- pLine->m_LineInfo.fLineX =
- fNodeWidth * nStart - fNodeWidth * VARIABLETEXT_HALF;
- break;
- }
- for (int32_t w = 0,
- sz = pdfium::CollectionSize<int32_t>(m_pSection->m_WordArray);
- w < sz; w++) {
- if (w >= m_pVT->GetCharArray())
- break;
-
- float fNextWidth = 0;
- if (pdfium::IndexInBounds(m_pSection->m_WordArray, w + 1)) {
- CPVT_WordInfo* pNextWord = m_pSection->m_WordArray[w + 1].get();
- pNextWord->fWordTail = 0;
- fNextWidth = m_pVT->GetWordWidth(*pNextWord);
- }
- CPVT_WordInfo* pWord = m_pSection->m_WordArray[w].get();
- pWord->fWordTail = 0;
- float fWordWidth = m_pVT->GetWordWidth(*pWord);
- float fWordAscent = m_pVT->GetWordAscent(*pWord);
- float fWordDescent = m_pVT->GetWordDescent(*pWord);
- x = (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 != pdfium::CollectionSize<int32_t>(m_pSection->m_WordArray) - 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 =
- pdfium::CollectionSize<int32_t>(m_pSection->m_WordArray) - 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;
- m_rcRet = CPVT_FloatRect(0, 0, x, y - fLineDescent);
- return m_rcRet;
-}
-
-CFX_SizeF CPVT_Typeset::GetEditSize(float fFontSize) {
- DCHECK(m_pSection);
- DCHECK(m_pVT);
- SplitLines(false, fFontSize);
- return CFX_SizeF(m_rcRet.Width(), m_rcRet.Height());
-}
-
-CPVT_FloatRect CPVT_Typeset::Typeset() {
- DCHECK(m_pVT);
- m_pSection->m_LineArray.clear();
- SplitLines(true, 0.0f);
- OutputLines();
- return m_rcRet;
-}
-
-void CPVT_Typeset::SplitLines(bool bTypeset, float fFontSize) {
- DCHECK(m_pVT);
- DCHECK(m_pSection);
-
- CPVT_LineInfo line;
- if (m_pSection->m_WordArray.empty()) {
- float fLineAscent;
- float fLineDescent;
- if (bTypeset) {
- fLineAscent = m_pVT->GetLineAscent();
- fLineDescent = m_pVT->GetLineDescent();
- } 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);
- }
- float fMaxY = m_pVT->GetLineLeading() + fLineAscent - fLineDescent;
- m_rcRet = CPVT_FloatRect(0, 0, 0, fMaxY);
- return;
- }
-
- int32_t nLineHead = 0;
- int32_t nLineTail = 0;
- float fMaxX = 0.0f;
- float fMaxY = 0.0f;
- float fLineWidth = 0.0f;
- float fBackupLineWidth = 0.0f;
- float fLineAscent = 0.0f;
- float fBackupLineAscent = 0.0f;
- float fLineDescent = 0.0f;
- float fBackupLineDescent = 0.0f;
- int32_t nWordStartPos = 0;
- bool bFullWord = false;
- int32_t nLineFullWordIndex = 0;
- int32_t nCharIndex = 0;
- float fWordWidth = 0;
- float fTypesetWidth =
- std::max(m_pVT->GetPlateWidth() - m_pVT->GetLineIndent(), 0.0f);
- int32_t nTotalWords =
- pdfium::CollectionSize<int32_t>(m_pSection->m_WordArray);
- bool bOpened = false;
- int32_t i = 0;
- while (i < nTotalWords) {
- CPVT_WordInfo* pWord = m_pSection->m_WordArray[i].get();
- CPVT_WordInfo* pOldWord = pWord;
- if (i > 0) {
- pOldWord = m_pSection->m_WordArray[i - 1].get();
- }
- if (pWord) {
- if (bTypeset) {
- fLineAscent = std::max(fLineAscent, m_pVT->GetWordAscent(*pWord));
- fLineDescent = std::min(fLineDescent, m_pVT->GetWordDescent(*pWord));
- 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->GetSubWord(),
- m_pVT->GetCharSpace(), fFontSize, pWord->fWordTail);
- }
- 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->IsAutoReturn() && 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());
- 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());
- fMaxY -= fLineDescent;
- fMaxX = std::max(fLineWidth, fMaxX);
- }
- m_rcRet = CPVT_FloatRect(0, 0, fMaxX, fMaxY);
-}
-
-void CPVT_Typeset::OutputLines() {
- DCHECK(m_pVT);
- DCHECK(m_pSection);
- float fMinX;
- float fLineIndent = m_pVT->GetLineIndent();
- float fTypesetWidth = std::max(m_pVT->GetPlateWidth() - fLineIndent, 0.0f);
- switch (m_pVT->GetAlignment()) {
- 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;
- }
- float fMaxX = fMinX + m_rcRet.Width();
- float fMinY = 0.0f;
- float fMaxY = m_rcRet.Height();
- int32_t nTotalLines =
- pdfium::CollectionSize<int32_t>(m_pSection->m_LineArray);
- if (nTotalLines > 0) {
- float fPosX = 0.0f;
- float fPosY = 0.0f;
- for (int32_t l = 0; l < nTotalLines; l++) {
- CPVT_Section::Line* pLine = m_pSection->m_LineArray[l].get();
- switch (m_pVT->GetAlignment()) {
- 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();
- 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 (pdfium::IndexInBounds(m_pSection->m_WordArray, w)) {
- CPVT_WordInfo* pWord = m_pSection->m_WordArray[w].get();
- pWord->fWordX = fPosX - fMinX;
- 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/cpvt_typeset.h b/core/fpdfdoc/cpvt_typeset.h
deleted file mode 100644
index 1b10c36..0000000
--- a/core/fpdfdoc/cpvt_typeset.h
+++ /dev/null
@@ -1,35 +0,0 @@
-// 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
-
-#ifndef CORE_FPDFDOC_CPVT_TYPESET_H_
-#define CORE_FPDFDOC_CPVT_TYPESET_H_
-
-#include "core/fpdfdoc/cpvt_floatrect.h"
-#include "core/fxcrt/fx_system.h"
-#include "core/fxcrt/unowned_ptr.h"
-
-class CPDF_VariableText;
-class CPVT_Section;
-
-class CPVT_Typeset final {
- public:
- explicit CPVT_Typeset(CPVT_Section* pSection);
- ~CPVT_Typeset();
-
- CFX_SizeF GetEditSize(float fFontSize);
- CPVT_FloatRect Typeset();
- CPVT_FloatRect CharArray();
-
- private:
- void SplitLines(bool bTypeset, float fFontSize);
- void OutputLines();
-
- CPVT_FloatRect m_rcRet;
- UnownedPtr<CPDF_VariableText> const m_pVT;
- UnownedPtr<CPVT_Section> const m_pSection;
-};
-
-#endif // CORE_FPDFDOC_CPVT_TYPESET_H_
