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// 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/include/cpdf_variabletext.h"
#include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
#include "core/fpdfdoc/cpvt_wordinfo.h"
#include "core/fpdfdoc/cline.h"
#include "core/fpdfdoc/csection.h"
#include "core/fpdfdoc/include/cpvt_section.h"
#include "core/fpdfdoc/include/cpvt_word.h"
#include "core/fpdfdoc/include/ipvt_fontmap.h"
namespace {
const float kFontScale = 0.001f;
const uint8_t kReturnLength = 1;
const float kScalePercent = 0.01f;
const uint8_t gFontSizeSteps[] = {4, 6, 8, 9, 10, 12, 14, 18, 20,
25, 30, 35, 40, 45, 50, 55, 60, 70,
80, 90, 100, 110, 120, 130, 144};
} // namespace
CPDF_VariableText::Provider::Provider(IPVT_FontMap* pFontMap)
: m_pFontMap(pFontMap) {
ASSERT(m_pFontMap);
}
CPDF_VariableText::Provider::~Provider() {}
int32_t CPDF_VariableText::Provider::GetCharWidth(int32_t nFontIndex,
uint16_t word,
int32_t nWordStyle) {
if (CPDF_Font* pPDFFont = m_pFontMap->GetPDFFont(nFontIndex)) {
uint32_t charcode = pPDFFont->CharCodeFromUnicode(word);
if (charcode != CPDF_Font::kInvalidCharCode)
return pPDFFont->GetCharWidthF(charcode);
}
return 0;
}
int32_t CPDF_VariableText::Provider::GetTypeAscent(int32_t nFontIndex) {
if (CPDF_Font* pPDFFont = m_pFontMap->GetPDFFont(nFontIndex))
return pPDFFont->GetTypeAscent();
return 0;
}
int32_t CPDF_VariableText::Provider::GetTypeDescent(int32_t nFontIndex) {
if (CPDF_Font* pPDFFont = m_pFontMap->GetPDFFont(nFontIndex))
return pPDFFont->GetTypeDescent();
return 0;
}
int32_t CPDF_VariableText::Provider::GetWordFontIndex(uint16_t word,
int32_t charset,
int32_t nFontIndex) {
if (CPDF_Font* pDefFont = m_pFontMap->GetPDFFont(0)) {
if (pDefFont->CharCodeFromUnicode(word) != CPDF_Font::kInvalidCharCode)
return 0;
}
if (CPDF_Font* pSysFont = m_pFontMap->GetPDFFont(1)) {
if (pSysFont->CharCodeFromUnicode(word) != CPDF_Font::kInvalidCharCode)
return 1;
}
return -1;
}
FX_BOOL CPDF_VariableText::Provider::IsLatinWord(uint16_t word) {
return (word >= 0x61 && word <= 0x7A) || (word >= 0x41 && word <= 0x5A) ||
word == 0x2D || word == 0x27;
}
int32_t CPDF_VariableText::Provider::GetDefaultFontIndex() {
return 0;
}
CPDF_VariableText::Iterator::Iterator(CPDF_VariableText* pVT)
: m_CurPos(-1, -1, -1), m_pVT(pVT) {}
CPDF_VariableText::Iterator::~Iterator() {}
void CPDF_VariableText::Iterator::SetAt(int32_t nWordIndex) {
m_CurPos = m_pVT->WordIndexToWordPlace(nWordIndex);
}
void CPDF_VariableText::Iterator::SetAt(const CPVT_WordPlace& place) {
ASSERT(m_pVT);
m_CurPos = place;
}
FX_BOOL CPDF_VariableText::Iterator::NextWord() {
if (m_CurPos == m_pVT->GetEndWordPlace())
return FALSE;
m_CurPos = m_pVT->GetNextWordPlace(m_CurPos);
return TRUE;
}
FX_BOOL CPDF_VariableText::Iterator::PrevWord() {
if (m_CurPos == m_pVT->GetBeginWordPlace())
return FALSE;
m_CurPos = m_pVT->GetPrevWordPlace(m_CurPos);
return TRUE;
}
FX_BOOL CPDF_VariableText::Iterator::NextLine() {
if (CSection* pSection = m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex)) {
if (m_CurPos.nLineIndex < pSection->m_LineArray.GetSize() - 1) {
m_CurPos =
CPVT_WordPlace(m_CurPos.nSecIndex, m_CurPos.nLineIndex + 1, -1);
return TRUE;
}
if (m_CurPos.nSecIndex < m_pVT->m_SectionArray.GetSize() - 1) {
m_CurPos = CPVT_WordPlace(m_CurPos.nSecIndex + 1, 0, -1);
return TRUE;
}
}
return FALSE;
}
FX_BOOL CPDF_VariableText::Iterator::PrevLine() {
if (m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex)) {
if (m_CurPos.nLineIndex > 0) {
m_CurPos =
CPVT_WordPlace(m_CurPos.nSecIndex, m_CurPos.nLineIndex - 1, -1);
return TRUE;
}
if (m_CurPos.nSecIndex > 0) {
if (CSection* pLastSection =
m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex - 1)) {
m_CurPos = CPVT_WordPlace(m_CurPos.nSecIndex - 1,
pLastSection->m_LineArray.GetSize() - 1, -1);
return TRUE;
}
}
}
return FALSE;
}
FX_BOOL CPDF_VariableText::Iterator::NextSection() {
if (m_CurPos.nSecIndex < m_pVT->m_SectionArray.GetSize() - 1) {
m_CurPos = CPVT_WordPlace(m_CurPos.nSecIndex + 1, 0, -1);
return TRUE;
}
return FALSE;
}
FX_BOOL CPDF_VariableText::Iterator::PrevSection() {
ASSERT(m_pVT);
if (m_CurPos.nSecIndex > 0) {
m_CurPos = CPVT_WordPlace(m_CurPos.nSecIndex - 1, 0, -1);
return TRUE;
}
return FALSE;
}
FX_BOOL CPDF_VariableText::Iterator::GetWord(CPVT_Word& word) const {
word.WordPlace = m_CurPos;
if (CSection* pSection = m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex)) {
if (pSection->m_LineArray.GetAt(m_CurPos.nLineIndex)) {
if (CPVT_WordInfo* pWord =
pSection->m_WordArray.GetAt(m_CurPos.nWordIndex)) {
word.Word = pWord->Word;
word.nCharset = pWord->nCharset;
word.fWidth = m_pVT->GetWordWidth(*pWord);
word.ptWord = m_pVT->InToOut(
CFX_FloatPoint(pWord->fWordX + pSection->m_SecInfo.rcSection.left,
pWord->fWordY + pSection->m_SecInfo.rcSection.top));
word.fAscent = m_pVT->GetWordAscent(*pWord);
word.fDescent = m_pVT->GetWordDescent(*pWord);
if (pWord->pWordProps)
word.WordProps = *pWord->pWordProps;
word.nFontIndex = m_pVT->GetWordFontIndex(*pWord);
word.fFontSize = m_pVT->GetWordFontSize(*pWord);
return TRUE;
}
}
}
return FALSE;
}
FX_BOOL CPDF_VariableText::Iterator::SetWord(const CPVT_Word& word) {
if (CSection* pSection = m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex)) {
if (CPVT_WordInfo* pWord =
pSection->m_WordArray.GetAt(m_CurPos.nWordIndex)) {
if (pWord->pWordProps)
*pWord->pWordProps = word.WordProps;
return TRUE;
}
}
return FALSE;
}
FX_BOOL CPDF_VariableText::Iterator::GetLine(CPVT_Line& line) const {
ASSERT(m_pVT);
line.lineplace = CPVT_WordPlace(m_CurPos.nSecIndex, m_CurPos.nLineIndex, -1);
if (CSection* pSection = m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex)) {
if (CLine* pLine = pSection->m_LineArray.GetAt(m_CurPos.nLineIndex)) {
line.ptLine = m_pVT->InToOut(CFX_FloatPoint(
pLine->m_LineInfo.fLineX + pSection->m_SecInfo.rcSection.left,
pLine->m_LineInfo.fLineY + pSection->m_SecInfo.rcSection.top));
line.fLineWidth = pLine->m_LineInfo.fLineWidth;
line.fLineAscent = pLine->m_LineInfo.fLineAscent;
line.fLineDescent = pLine->m_LineInfo.fLineDescent;
line.lineEnd = pLine->GetEndWordPlace();
return TRUE;
}
}
return FALSE;
}
FX_BOOL CPDF_VariableText::Iterator::GetSection(CPVT_Section& section) const {
section.secplace = CPVT_WordPlace(m_CurPos.nSecIndex, 0, -1);
if (CSection* pSection = m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex)) {
section.rcSection = m_pVT->InToOut(pSection->m_SecInfo.rcSection);
if (pSection->m_SecInfo.pSecProps)
section.SecProps = *pSection->m_SecInfo.pSecProps;
if (pSection->m_SecInfo.pWordProps)
section.WordProps = *pSection->m_SecInfo.pWordProps;
return TRUE;
}
return FALSE;
}
FX_BOOL CPDF_VariableText::Iterator::SetSection(const CPVT_Section& section) {
if (CSection* pSection = m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex)) {
if (pSection->m_SecInfo.pSecProps)
*pSection->m_SecInfo.pSecProps = section.SecProps;
if (pSection->m_SecInfo.pWordProps)
*pSection->m_SecInfo.pWordProps = section.WordProps;
return TRUE;
}
return FALSE;
}
CPDF_VariableText::CPDF_VariableText()
: m_nLimitChar(0),
m_nCharArray(0),
m_bMultiLine(FALSE),
m_bLimitWidth(FALSE),
m_bAutoFontSize(FALSE),
m_nAlignment(0),
m_fLineLeading(0.0f),
m_fCharSpace(0.0f),
m_nHorzScale(100),
m_wSubWord(0),
m_fFontSize(0.0f),
m_bInitial(FALSE),
m_pVTProvider(nullptr) {}
CPDF_VariableText::~CPDF_VariableText() {
ResetAll();
}
void CPDF_VariableText::Initialize() {
if (!m_bInitial) {
CPVT_SectionInfo secinfo;
CPVT_WordPlace place;
place.nSecIndex = 0;
AddSection(place, secinfo);
CPVT_LineInfo lineinfo;
lineinfo.fLineAscent = GetFontAscent(GetDefaultFontIndex(), GetFontSize());
lineinfo.fLineDescent =
GetFontDescent(GetDefaultFontIndex(), GetFontSize());
AddLine(place, lineinfo);
if (CSection* pSection = m_SectionArray.GetAt(0))
pSection->ResetLinePlace();
m_bInitial = TRUE;
}
}
void CPDF_VariableText::ResetAll() {
m_bInitial = FALSE;
ResetSectionArray();
}
CPVT_WordPlace CPDF_VariableText::InsertWord(const CPVT_WordPlace& place,
uint16_t word,
int32_t charset,
const CPVT_WordProps* pWordProps) {
int32_t nTotlaWords = GetTotalWords();
if (m_nLimitChar > 0 && nTotlaWords >= m_nLimitChar)
return place;
if (m_nCharArray > 0 && nTotlaWords >= m_nCharArray)
return place;
CPVT_WordPlace newplace = place;
newplace.nWordIndex++;
int32_t nFontIndex =
GetSubWord() > 0 ? GetDefaultFontIndex()
: GetWordFontIndex(word, charset, GetDefaultFontIndex());
return AddWord(newplace, CPVT_WordInfo(word, charset, nFontIndex, nullptr));
}
CPVT_WordPlace CPDF_VariableText::InsertSection(
const CPVT_WordPlace& place,
const CPVT_SecProps* pSecProps,
const CPVT_WordProps* pWordProps) {
int32_t nTotlaWords = GetTotalWords();
if (m_nLimitChar > 0 && nTotlaWords >= m_nLimitChar)
return place;
if (m_nCharArray > 0 && nTotlaWords >= m_nCharArray)
return place;
if (!m_bMultiLine)
return place;
CPVT_WordPlace wordplace = place;
UpdateWordPlace(wordplace);
CPVT_WordPlace newplace = place;
if (CSection* pSection = m_SectionArray.GetAt(wordplace.nSecIndex)) {
CPVT_WordPlace NewPlace(wordplace.nSecIndex + 1, 0, -1);
CPVT_SectionInfo secinfo;
AddSection(NewPlace, secinfo);
newplace = NewPlace;
if (CSection* pNewSection = m_SectionArray.GetAt(NewPlace.nSecIndex)) {
for (int32_t w = wordplace.nWordIndex + 1,
sz = pSection->m_WordArray.GetSize();
w < sz; w++) {
if (CPVT_WordInfo* pWord = pSection->m_WordArray.GetAt(w)) {
NewPlace.nWordIndex++;
pNewSection->AddWord(NewPlace, *pWord);
}
}
}
ClearSectionRightWords(wordplace);
}
return newplace;
}
CPVT_WordPlace CPDF_VariableText::InsertText(const CPVT_WordPlace& place,
const FX_WCHAR* text) {
CFX_WideString swText = text;
CPVT_WordPlace wp = place;
for (int32_t i = 0, sz = swText.GetLength(); i < sz; i++) {
CPVT_WordPlace oldwp = wp;
uint16_t word = swText.GetAt(i);
switch (word) {
case 0x0D:
if (m_bMultiLine) {
if (swText.GetAt(i + 1) == 0x0A)
i += 1;
wp = InsertSection(wp, nullptr, nullptr);
}
break;
case 0x0A:
if (m_bMultiLine) {
if (swText.GetAt(i + 1) == 0x0D)
i += 1;
wp = InsertSection(wp, nullptr, nullptr);
}
break;
case 0x09:
word = 0x20;
default:
wp = InsertWord(wp, word, FXFONT_DEFAULT_CHARSET, nullptr);
break;
}
if (wp == oldwp)
break;
}
return wp;
}
CPVT_WordPlace CPDF_VariableText::DeleteWords(
const CPVT_WordRange& PlaceRange) {
FX_BOOL bLastSecPos = FALSE;
if (CSection* pSection = m_SectionArray.GetAt(PlaceRange.EndPos.nSecIndex))
bLastSecPos = (PlaceRange.EndPos == pSection->GetEndWordPlace());
ClearWords(PlaceRange);
if (PlaceRange.BeginPos.nSecIndex != PlaceRange.EndPos.nSecIndex) {
ClearEmptySections(PlaceRange);
if (!bLastSecPos)
LinkLatterSection(PlaceRange.BeginPos);
}
return PlaceRange.BeginPos;
}
CPVT_WordPlace CPDF_VariableText::DeleteWord(const CPVT_WordPlace& place) {
return ClearRightWord(AdjustLineHeader(place, TRUE));
}
CPVT_WordPlace CPDF_VariableText::BackSpaceWord(const CPVT_WordPlace& place) {
return ClearLeftWord(AdjustLineHeader(place, TRUE));
}
void CPDF_VariableText::SetText(const FX_WCHAR* text) {
DeleteWords(CPVT_WordRange(GetBeginWordPlace(), GetEndWordPlace()));
CFX_WideString swText = text;
CPVT_WordPlace wp(0, 0, -1);
CPVT_SectionInfo secinfo;
if (CSection* pSection = m_SectionArray.GetAt(0))
pSection->m_SecInfo = secinfo;
int32_t nCharCount = 0;
for (int32_t i = 0, sz = swText.GetLength(); i < sz; i++) {
if (m_nLimitChar > 0 && nCharCount >= m_nLimitChar)
break;
if (m_nCharArray > 0 && nCharCount >= m_nCharArray)
break;
uint16_t word = swText.GetAt(i);
switch (word) {
case 0x0D:
if (m_bMultiLine) {
if (swText.GetAt(i + 1) == 0x0A)
i += 1;
wp.nSecIndex++;
wp.nLineIndex = 0;
wp.nWordIndex = -1;
AddSection(wp, secinfo);
}
break;
case 0x0A:
if (m_bMultiLine) {
if (swText.GetAt(i + 1) == 0x0D)
i += 1;
wp.nSecIndex++;
wp.nLineIndex = 0;
wp.nWordIndex = -1;
AddSection(wp, secinfo);
}
break;
case 0x09:
word = 0x20;
default:
wp = InsertWord(wp, word, FXFONT_DEFAULT_CHARSET, nullptr);
break;
}
nCharCount++;
}
}
void CPDF_VariableText::UpdateWordPlace(CPVT_WordPlace& place) const {
if (place.nSecIndex < 0)
place = GetBeginWordPlace();
if (place.nSecIndex >= m_SectionArray.GetSize())
place = GetEndWordPlace();
place = AdjustLineHeader(place, TRUE);
if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex))
pSection->UpdateWordPlace(place);
}
int32_t CPDF_VariableText::WordPlaceToWordIndex(
const CPVT_WordPlace& place) const {
CPVT_WordPlace newplace = place;
UpdateWordPlace(newplace);
int32_t nIndex = 0;
int32_t i = 0;
int32_t sz = 0;
for (i = 0, sz = m_SectionArray.GetSize(); i < sz && i < newplace.nSecIndex;
i++) {
if (CSection* pSection = m_SectionArray.GetAt(i)) {
nIndex += pSection->m_WordArray.GetSize();
if (i != m_SectionArray.GetSize() - 1)
nIndex += kReturnLength;
}
}
if (i >= 0 && i < m_SectionArray.GetSize())
nIndex += newplace.nWordIndex + kReturnLength;
return nIndex;
}
CPVT_WordPlace CPDF_VariableText::WordIndexToWordPlace(int32_t index) const {
CPVT_WordPlace place = GetBeginWordPlace();
int32_t nOldIndex = 0, nIndex = 0;
FX_BOOL bFind = FALSE;
for (int32_t i = 0, sz = m_SectionArray.GetSize(); i < sz; i++) {
if (CSection* pSection = m_SectionArray.GetAt(i)) {
nIndex += pSection->m_WordArray.GetSize();
if (nIndex == index) {
place = pSection->GetEndWordPlace();
bFind = TRUE;
break;
} else if (nIndex > index) {
place.nSecIndex = i;
place.nWordIndex = index - nOldIndex - 1;
pSection->UpdateWordPlace(place);
bFind = TRUE;
break;
}
if (i != m_SectionArray.GetSize() - 1)
nIndex += kReturnLength;
nOldIndex = nIndex;
}
}
if (!bFind)
place = GetEndWordPlace();
return place;
}
CPVT_WordPlace CPDF_VariableText::GetBeginWordPlace() const {
return m_bInitial ? CPVT_WordPlace(0, 0, -1) : CPVT_WordPlace();
}
CPVT_WordPlace CPDF_VariableText::GetEndWordPlace() const {
if (CSection* pSection = m_SectionArray.GetAt(m_SectionArray.GetSize() - 1))
return pSection->GetEndWordPlace();
return CPVT_WordPlace();
}
CPVT_WordPlace CPDF_VariableText::GetPrevWordPlace(
const CPVT_WordPlace& place) const {
if (place.nSecIndex < 0)
return GetBeginWordPlace();
if (place.nSecIndex >= m_SectionArray.GetSize())
return GetEndWordPlace();
if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex)) {
if (place.WordCmp(pSection->GetBeginWordPlace()) <= 0) {
if (CSection* pPrevSection = m_SectionArray.GetAt(place.nSecIndex - 1))
return pPrevSection->GetEndWordPlace();
return GetBeginWordPlace();
}
return pSection->GetPrevWordPlace(place);
}
return place;
}
CPVT_WordPlace CPDF_VariableText::GetNextWordPlace(
const CPVT_WordPlace& place) const {
if (place.nSecIndex < 0)
return GetBeginWordPlace();
if (place.nSecIndex >= m_SectionArray.GetSize())
return GetEndWordPlace();
if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex)) {
if (place.WordCmp(pSection->GetEndWordPlace()) >= 0) {
if (CSection* pNextSection = m_SectionArray.GetAt(place.nSecIndex + 1))
return pNextSection->GetBeginWordPlace();
return GetEndWordPlace();
}
return pSection->GetNextWordPlace(place);
}
return place;
}
CPVT_WordPlace CPDF_VariableText::SearchWordPlace(
const CFX_FloatPoint& point) const {
CFX_FloatPoint pt = OutToIn(point);
CPVT_WordPlace place = GetBeginWordPlace();
int32_t nLeft = 0;
int32_t nRight = m_SectionArray.GetSize() - 1;
int32_t nMid = m_SectionArray.GetSize() / 2;
FX_BOOL bUp = TRUE;
FX_BOOL bDown = TRUE;
while (nLeft <= nRight) {
if (CSection* pSection = m_SectionArray.GetAt(nMid)) {
if (IsFloatBigger(pt.y, pSection->m_SecInfo.rcSection.top)) {
bUp = FALSE;
}
if (IsFloatBigger(pSection->m_SecInfo.rcSection.bottom, pt.y)) {
bDown = FALSE;
}
if (IsFloatSmaller(pt.y, pSection->m_SecInfo.rcSection.top)) {
nRight = nMid - 1;
nMid = (nLeft + nRight) / 2;
continue;
} else if (IsFloatBigger(pt.y, pSection->m_SecInfo.rcSection.bottom)) {
nLeft = nMid + 1;
nMid = (nLeft + nRight) / 2;
continue;
} else {
place = pSection->SearchWordPlace(
CFX_FloatPoint(pt.x - pSection->m_SecInfo.rcSection.left,
pt.y - pSection->m_SecInfo.rcSection.top));
place.nSecIndex = nMid;
return place;
}
} else {
break;
}
}
if (bUp)
place = GetBeginWordPlace();
if (bDown)
place = GetEndWordPlace();
return place;
}
CPVT_WordPlace CPDF_VariableText::GetUpWordPlace(
const CPVT_WordPlace& place,
const CFX_FloatPoint& point) const {
if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex)) {
CPVT_WordPlace temp = place;
CFX_FloatPoint pt = OutToIn(point);
if (temp.nLineIndex-- > 0) {
return pSection->SearchWordPlace(
pt.x - pSection->m_SecInfo.rcSection.left, temp);
}
if (temp.nSecIndex-- > 0) {
if (CSection* pLastSection = m_SectionArray.GetAt(temp.nSecIndex)) {
temp.nLineIndex = pLastSection->m_LineArray.GetSize() - 1;
return pLastSection->SearchWordPlace(
pt.x - pLastSection->m_SecInfo.rcSection.left, temp);
}
}
}
return place;
}
CPVT_WordPlace CPDF_VariableText::GetDownWordPlace(
const CPVT_WordPlace& place,
const CFX_FloatPoint& point) const {
if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex)) {
CPVT_WordPlace temp = place;
CFX_FloatPoint pt = OutToIn(point);
if (temp.nLineIndex++ < pSection->m_LineArray.GetSize() - 1) {
return pSection->SearchWordPlace(
pt.x - pSection->m_SecInfo.rcSection.left, temp);
}
if (temp.nSecIndex++ < m_SectionArray.GetSize() - 1) {
if (CSection* pNextSection = m_SectionArray.GetAt(temp.nSecIndex)) {
temp.nLineIndex = 0;
return pNextSection->SearchWordPlace(
pt.x - pSection->m_SecInfo.rcSection.left, temp);
}
}
}
return place;
}
CPVT_WordPlace CPDF_VariableText::GetLineBeginPlace(
const CPVT_WordPlace& place) const {
return CPVT_WordPlace(place.nSecIndex, place.nLineIndex, -1);
}
CPVT_WordPlace CPDF_VariableText::GetLineEndPlace(
const CPVT_WordPlace& place) const {
if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex)) {
if (CLine* pLine = pSection->m_LineArray.GetAt(place.nLineIndex))
return pLine->GetEndWordPlace();
}
return place;
}
CPVT_WordPlace CPDF_VariableText::GetSectionBeginPlace(
const CPVT_WordPlace& place) const {
return CPVT_WordPlace(place.nSecIndex, 0, -1);
}
CPVT_WordPlace CPDF_VariableText::GetSectionEndPlace(
const CPVT_WordPlace& place) const {
if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex))
return pSection->GetEndWordPlace();
return place;
}
int32_t CPDF_VariableText::GetTotalWords() const {
int32_t nTotal = 0;
for (int32_t i = 0, sz = m_SectionArray.GetSize(); i < sz; i++) {
if (CSection* pSection = m_SectionArray.GetAt(i))
nTotal += (pSection->m_WordArray.GetSize() + kReturnLength);
}
return nTotal - kReturnLength;
}
void CPDF_VariableText::ResetSectionArray() {
for (int32_t s = 0, sz = m_SectionArray.GetSize(); s < sz; s++)
delete m_SectionArray.GetAt(s);
m_SectionArray.RemoveAll();
}
CPVT_WordPlace CPDF_VariableText::AddSection(const CPVT_WordPlace& place,
const CPVT_SectionInfo& secinfo) {
if (IsValid() && !m_bMultiLine)
return place;
int32_t nSecIndex =
std::max(std::min(place.nSecIndex, m_SectionArray.GetSize()), 0);
CSection* pSection = new CSection(this);
pSection->m_SecInfo = secinfo;
pSection->SecPlace.nSecIndex = nSecIndex;
if (nSecIndex == m_SectionArray.GetSize())
m_SectionArray.Add(pSection);
else
m_SectionArray.InsertAt(nSecIndex, pSection);
return place;
}
CPVT_WordPlace CPDF_VariableText::AddLine(const CPVT_WordPlace& place,
const CPVT_LineInfo& lineinfo) {
if (m_SectionArray.IsEmpty())
return place;
if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex))
return pSection->AddLine(lineinfo);
return place;
}
CPVT_WordPlace CPDF_VariableText::AddWord(const CPVT_WordPlace& place,
const CPVT_WordInfo& wordinfo) {
if (m_SectionArray.GetSize() <= 0) {
return place;
}
CPVT_WordPlace newplace = place;
newplace.nSecIndex =
std::max(std::min(newplace.nSecIndex, m_SectionArray.GetSize() - 1), 0);
if (CSection* pSection = m_SectionArray.GetAt(newplace.nSecIndex))
return pSection->AddWord(newplace, wordinfo);
return place;
}
FX_BOOL CPDF_VariableText::GetWordInfo(const CPVT_WordPlace& place,
CPVT_WordInfo& wordinfo) {
if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex)) {
if (CPVT_WordInfo* pWord = pSection->m_WordArray.GetAt(place.nWordIndex)) {
wordinfo = *pWord;
return TRUE;
}
}
return FALSE;
}
FX_BOOL CPDF_VariableText::SetWordInfo(const CPVT_WordPlace& place,
const CPVT_WordInfo& wordinfo) {
if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex)) {
if (CPVT_WordInfo* pWord = pSection->m_WordArray.GetAt(place.nWordIndex)) {
*pWord = wordinfo;
return TRUE;
}
}
return FALSE;
}
FX_BOOL CPDF_VariableText::GetLineInfo(const CPVT_WordPlace& place,
CPVT_LineInfo& lineinfo) {
if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex)) {
if (CLine* pLine = pSection->m_LineArray.GetAt(place.nLineIndex)) {
lineinfo = pLine->m_LineInfo;
return TRUE;
}
}
return FALSE;
}
FX_BOOL CPDF_VariableText::GetSectionInfo(const CPVT_WordPlace& place,
CPVT_SectionInfo& secinfo) {
if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex)) {
secinfo = pSection->m_SecInfo;
return TRUE;
}
return FALSE;
}
void CPDF_VariableText::SetPlateRect(const CFX_FloatRect& rect) {
m_rcPlate = rect;
}
void CPDF_VariableText::SetContentRect(const CPVT_FloatRect& rect) {
m_rcContent = rect;
}
CFX_FloatRect CPDF_VariableText::GetContentRect() const {
return InToOut(CPVT_FloatRect(m_rcContent));
}
const CFX_FloatRect& CPDF_VariableText::GetPlateRect() const {
return m_rcPlate;
}
FX_FLOAT CPDF_VariableText::GetWordFontSize(const CPVT_WordInfo& WordInfo) {
return GetFontSize();
}
int32_t CPDF_VariableText::GetWordFontIndex(const CPVT_WordInfo& WordInfo) {
return WordInfo.nFontIndex;
}
FX_FLOAT CPDF_VariableText::GetWordWidth(int32_t nFontIndex,
uint16_t Word,
uint16_t SubWord,
FX_FLOAT fCharSpace,
int32_t nHorzScale,
FX_FLOAT fFontSize,
FX_FLOAT fWordTail,
int32_t nWordStyle) {
return (GetCharWidth(nFontIndex, Word, SubWord, nWordStyle) * fFontSize *
kFontScale +
fCharSpace) *
nHorzScale * kScalePercent +
fWordTail;
}
FX_FLOAT CPDF_VariableText::GetWordWidth(const CPVT_WordInfo& WordInfo) {
return GetWordWidth(
GetWordFontIndex(WordInfo), WordInfo.Word, GetSubWord(),
GetCharSpace(WordInfo), GetHorzScale(WordInfo), GetWordFontSize(WordInfo),
WordInfo.fWordTail,
WordInfo.pWordProps ? WordInfo.pWordProps->nWordStyle : 0);
}
FX_FLOAT CPDF_VariableText::GetLineAscent(const CPVT_SectionInfo& SecInfo) {
return GetFontAscent(GetDefaultFontIndex(), GetFontSize());
}
FX_FLOAT CPDF_VariableText::GetLineDescent(const CPVT_SectionInfo& SecInfo) {
return GetFontDescent(GetDefaultFontIndex(), GetFontSize());
}
FX_FLOAT CPDF_VariableText::GetFontAscent(int32_t nFontIndex,
FX_FLOAT fFontSize) {
return (FX_FLOAT)GetTypeAscent(nFontIndex) * fFontSize * kFontScale;
}
FX_FLOAT CPDF_VariableText::GetFontDescent(int32_t nFontIndex,
FX_FLOAT fFontSize) {
return (FX_FLOAT)GetTypeDescent(nFontIndex) * fFontSize * kFontScale;
}
FX_FLOAT CPDF_VariableText::GetWordAscent(const CPVT_WordInfo& WordInfo,
FX_FLOAT fFontSize) {
return GetFontAscent(GetWordFontIndex(WordInfo), fFontSize);
}
FX_FLOAT CPDF_VariableText::GetWordDescent(const CPVT_WordInfo& WordInfo,
FX_FLOAT fFontSize) {
return GetFontDescent(GetWordFontIndex(WordInfo), fFontSize);
}
FX_FLOAT CPDF_VariableText::GetWordAscent(const CPVT_WordInfo& WordInfo) {
return GetFontAscent(GetWordFontIndex(WordInfo), GetWordFontSize(WordInfo));
}
FX_FLOAT CPDF_VariableText::GetWordDescent(const CPVT_WordInfo& WordInfo) {
return GetFontDescent(GetWordFontIndex(WordInfo), GetWordFontSize(WordInfo));
}
FX_FLOAT CPDF_VariableText::GetLineLeading(const CPVT_SectionInfo& SecInfo) {
return m_fLineLeading;
}
FX_FLOAT CPDF_VariableText::GetLineIndent(const CPVT_SectionInfo& SecInfo) {
return 0.0f;
}
int32_t CPDF_VariableText::GetAlignment(const CPVT_SectionInfo& SecInfo) {
return m_nAlignment;
}
FX_FLOAT CPDF_VariableText::GetCharSpace(const CPVT_WordInfo& WordInfo) {
return m_fCharSpace;
}
int32_t CPDF_VariableText::GetHorzScale(const CPVT_WordInfo& WordInfo) {
return m_nHorzScale;
}
void CPDF_VariableText::ClearSectionRightWords(const CPVT_WordPlace& place) {
CPVT_WordPlace wordplace = AdjustLineHeader(place, TRUE);
if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex)) {
for (int32_t w = pSection->m_WordArray.GetSize() - 1;
w > wordplace.nWordIndex; w--) {
delete pSection->m_WordArray.GetAt(w);
pSection->m_WordArray.RemoveAt(w);
}
}
}
CPVT_WordPlace CPDF_VariableText::AdjustLineHeader(const CPVT_WordPlace& place,
FX_BOOL bPrevOrNext) const {
if (place.nWordIndex < 0 && place.nLineIndex > 0)
return bPrevOrNext ? GetPrevWordPlace(place) : GetNextWordPlace(place);
return place;
}
FX_BOOL CPDF_VariableText::ClearEmptySection(const CPVT_WordPlace& place) {
if (place.nSecIndex == 0 && m_SectionArray.GetSize() == 1)
return FALSE;
if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex)) {
if (pSection->m_WordArray.GetSize() == 0) {
delete pSection;
m_SectionArray.RemoveAt(place.nSecIndex);
return TRUE;
}
}
return FALSE;
}
void CPDF_VariableText::ClearEmptySections(const CPVT_WordRange& PlaceRange) {
CPVT_WordPlace wordplace;
for (int32_t s = PlaceRange.EndPos.nSecIndex;
s > PlaceRange.BeginPos.nSecIndex; s--) {
wordplace.nSecIndex = s;
ClearEmptySection(wordplace);
}
}
void CPDF_VariableText::LinkLatterSection(const CPVT_WordPlace& place) {
CPVT_WordPlace oldplace = AdjustLineHeader(place, TRUE);
if (CSection* pNextSection = m_SectionArray.GetAt(place.nSecIndex + 1)) {
if (CSection* pSection = m_SectionArray.GetAt(oldplace.nSecIndex)) {
for (int32_t w = 0, sz = pNextSection->m_WordArray.GetSize(); w < sz;
w++) {
if (CPVT_WordInfo* pWord = pNextSection->m_WordArray.GetAt(w)) {
oldplace.nWordIndex++;
pSection->AddWord(oldplace, *pWord);
}
}
}
delete pNextSection;
m_SectionArray.RemoveAt(place.nSecIndex + 1);
}
}
void CPDF_VariableText::ClearWords(const CPVT_WordRange& PlaceRange) {
CPVT_WordRange NewRange;
NewRange.BeginPos = AdjustLineHeader(PlaceRange.BeginPos, TRUE);
NewRange.EndPos = AdjustLineHeader(PlaceRange.EndPos, TRUE);
for (int32_t s = NewRange.EndPos.nSecIndex; s >= NewRange.BeginPos.nSecIndex;
s--) {
if (CSection* pSection = m_SectionArray.GetAt(s))
pSection->ClearWords(NewRange);
}
}
CPVT_WordPlace CPDF_VariableText::ClearLeftWord(const CPVT_WordPlace& place) {
if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex)) {
CPVT_WordPlace leftplace = GetPrevWordPlace(place);
if (leftplace != place) {
if (leftplace.nSecIndex != place.nSecIndex) {
if (pSection->m_WordArray.GetSize() == 0)
ClearEmptySection(place);
else
LinkLatterSection(leftplace);
} else {
pSection->ClearWord(place);
}
}
return leftplace;
}
return place;
}
CPVT_WordPlace CPDF_VariableText::ClearRightWord(const CPVT_WordPlace& place) {
if (CSection* pSection = m_SectionArray.GetAt(place.nSecIndex)) {
CPVT_WordPlace rightplace =
AdjustLineHeader(GetNextWordPlace(place), FALSE);
if (rightplace != place) {
if (rightplace.nSecIndex != place.nSecIndex)
LinkLatterSection(place);
else
pSection->ClearWord(rightplace);
}
}
return place;
}
void CPDF_VariableText::RearrangeAll() {
Rearrange(CPVT_WordRange(GetBeginWordPlace(), GetEndWordPlace()));
}
void CPDF_VariableText::RearrangePart(const CPVT_WordRange& PlaceRange) {
Rearrange(PlaceRange);
}
CPVT_FloatRect CPDF_VariableText::Rearrange(const CPVT_WordRange& PlaceRange) {
CPVT_FloatRect rcRet;
if (IsValid()) {
if (m_bAutoFontSize) {
SetFontSize(GetAutoFontSize());
rcRet = RearrangeSections(
CPVT_WordRange(GetBeginWordPlace(), GetEndWordPlace()));
} else {
rcRet = RearrangeSections(PlaceRange);
}
}
SetContentRect(rcRet);
return rcRet;
}
FX_FLOAT CPDF_VariableText::GetAutoFontSize() {
int32_t nTotal = sizeof(gFontSizeSteps) / sizeof(uint8_t);
if (IsMultiLine())
nTotal /= 4;
if (nTotal <= 0)
return 0;
if (GetPlateWidth() <= 0)
return 0;
int32_t nLeft = 0;
int32_t nRight = nTotal - 1;
int32_t nMid = nTotal / 2;
while (nLeft <= nRight) {
if (IsBigger(gFontSizeSteps[nMid])) {
nRight = nMid - 1;
nMid = (nLeft + nRight) / 2;
continue;
} else {
nLeft = nMid + 1;
nMid = (nLeft + nRight) / 2;
continue;
}
}
return (FX_FLOAT)gFontSizeSteps[nMid];
}
bool CPDF_VariableText::IsBigger(FX_FLOAT fFontSize) const {
CFX_SizeF szTotal;
for (int32_t s = 0, sz = m_SectionArray.GetSize(); s < sz; s++) {
if (CSection* pSection = m_SectionArray.GetAt(s)) {
CFX_SizeF size = pSection->GetSectionSize(fFontSize);
szTotal.x = std::max(size.x, szTotal.x);
szTotal.y += size.y;
if (IsFloatBigger(szTotal.x, GetPlateWidth()) ||
IsFloatBigger(szTotal.y, GetPlateHeight())) {
return true;
}
}
}
return false;
}
CPVT_FloatRect CPDF_VariableText::RearrangeSections(
const CPVT_WordRange& PlaceRange) {
CPVT_WordPlace place;
FX_FLOAT fPosY = 0;
FX_FLOAT fOldHeight;
int32_t nSSecIndex = PlaceRange.BeginPos.nSecIndex;
int32_t nESecIndex = PlaceRange.EndPos.nSecIndex;
CPVT_FloatRect rcRet;
for (int32_t s = 0, sz = m_SectionArray.GetSize(); s < sz; s++) {
place.nSecIndex = s;
if (CSection* pSection = m_SectionArray.GetAt(s)) {
pSection->SecPlace = place;
CPVT_FloatRect rcSec = pSection->m_SecInfo.rcSection;
if (s >= nSSecIndex) {
if (s <= nESecIndex) {
rcSec = pSection->Rearrange();
rcSec.top += fPosY;
rcSec.bottom += fPosY;
} else {
fOldHeight = pSection->m_SecInfo.rcSection.bottom -
pSection->m_SecInfo.rcSection.top;
rcSec.top = fPosY;
rcSec.bottom = fPosY + fOldHeight;
}
pSection->m_SecInfo.rcSection = rcSec;
pSection->ResetLinePlace();
}
if (s == 0) {
rcRet = rcSec;
} else {
rcRet.left = std::min(rcSec.left, rcRet.left);
rcRet.top = std::min(rcSec.top, rcRet.top);
rcRet.right = std::max(rcSec.right, rcRet.right);
rcRet.bottom = std::max(rcSec.bottom, rcRet.bottom);
}
fPosY += rcSec.Height();
}
}
return rcRet;
}
int32_t CPDF_VariableText::GetCharWidth(int32_t nFontIndex,
uint16_t Word,
uint16_t SubWord,
int32_t nWordStyle) {
if (!m_pVTProvider)
return 0;
uint16_t word = SubWord ? SubWord : Word;
return m_pVTProvider->GetCharWidth(nFontIndex, word, nWordStyle);
}
int32_t CPDF_VariableText::GetTypeAscent(int32_t nFontIndex) {
return m_pVTProvider ? m_pVTProvider->GetTypeAscent(nFontIndex) : 0;
}
int32_t CPDF_VariableText::GetTypeDescent(int32_t nFontIndex) {
return m_pVTProvider ? m_pVTProvider->GetTypeDescent(nFontIndex) : 0;
}
int32_t CPDF_VariableText::GetWordFontIndex(uint16_t word,
int32_t charset,
int32_t nFontIndex) {
return m_pVTProvider
? m_pVTProvider->GetWordFontIndex(word, charset, nFontIndex)
: -1;
}
int32_t CPDF_VariableText::GetDefaultFontIndex() {
return m_pVTProvider ? m_pVTProvider->GetDefaultFontIndex() : -1;
}
FX_BOOL CPDF_VariableText::IsLatinWord(uint16_t word) {
return m_pVTProvider ? m_pVTProvider->IsLatinWord(word) : FALSE;
}
CPDF_VariableText::Iterator* CPDF_VariableText::GetIterator() {
if (!m_pVTIterator)
m_pVTIterator.reset(new CPDF_VariableText::Iterator(this));
return m_pVTIterator.get();
}
void CPDF_VariableText::SetProvider(CPDF_VariableText::Provider* pProvider) {
m_pVTProvider = pProvider;
}
CFX_SizeF CPDF_VariableText::GetPlateSize() const {
return CFX_SizeF(GetPlateWidth(), GetPlateHeight());
}
CFX_FloatPoint CPDF_VariableText::GetBTPoint() const {
return CFX_FloatPoint(m_rcPlate.left, m_rcPlate.top);
}
CFX_FloatPoint CPDF_VariableText::GetETPoint() const {
return CFX_FloatPoint(m_rcPlate.right, m_rcPlate.bottom);
}
CFX_FloatPoint CPDF_VariableText::InToOut(const CFX_FloatPoint& point) const {
return CFX_FloatPoint(point.x + GetBTPoint().x, GetBTPoint().y - point.y);
}
CFX_FloatPoint CPDF_VariableText::OutToIn(const CFX_FloatPoint& point) const {
return CFX_FloatPoint(point.x - GetBTPoint().x, GetBTPoint().y - point.y);
}
CFX_FloatRect CPDF_VariableText::InToOut(const CPVT_FloatRect& rect) const {
CFX_FloatPoint ptLeftTop = InToOut(CFX_FloatPoint(rect.left, rect.top));
CFX_FloatPoint ptRightBottom =
InToOut(CFX_FloatPoint(rect.right, rect.bottom));
return CFX_FloatRect(ptLeftTop.x, ptRightBottom.y, ptRightBottom.x,
ptLeftTop.y);
}
CPVT_FloatRect CPDF_VariableText::OutToIn(const CFX_FloatRect& rect) const {
CFX_FloatPoint ptLeftTop = OutToIn(CFX_FloatPoint(rect.left, rect.top));
CFX_FloatPoint ptRightBottom =
OutToIn(CFX_FloatPoint(rect.right, rect.bottom));
return CPVT_FloatRect(ptLeftTop.x, ptLeftTop.y, ptRightBottom.x,
ptRightBottom.y);
}