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PL286/external/pdfium/fpdfsdk/fxedit/fxet_edit.cpp

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// Copyright 2014 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 "fpdfsdk/fxedit/fxet_edit.h"
#include <algorithm>
#include <memory>
#include <utility>
#include "core/fpdfapi/font/cpdf_font.h"
#include "core/fpdfapi/page/cpdf_pageobject.h"
#include "core/fpdfapi/page/cpdf_pageobjectholder.h"
#include "core/fpdfapi/page/cpdf_pathobject.h"
#include "core/fpdfapi/page/cpdf_textobject.h"
#include "core/fpdfapi/parser/fpdf_parser_decode.h"
#include "core/fpdfapi/render/cpdf_renderoptions.h"
#include "core/fpdfapi/render/cpdf_textrenderer.h"
#include "core/fpdfdoc/cpvt_section.h"
#include "core/fpdfdoc/cpvt_word.h"
#include "core/fpdfdoc/ipvt_fontmap.h"
#include "core/fxge/cfx_graphstatedata.h"
#include "core/fxge/cfx_pathdata.h"
#include "core/fxge/cfx_renderdevice.h"
#include "fpdfsdk/cfx_systemhandler.h"
#include "fpdfsdk/fxedit/fx_edit.h"
#include "fpdfsdk/pdfwindow/PWL_Edit.h"
#include "fpdfsdk/pdfwindow/PWL_EditCtrl.h"
#include "third_party/base/ptr_util.h"
#include "third_party/base/stl_util.h"
namespace {
const int kEditUndoMaxItems = 10000;
CFX_ByteString GetWordRenderString(const CFX_ByteString& strWords) {
if (strWords.GetLength() > 0)
return PDF_EncodeString(strWords) + " Tj\n";
return CFX_ByteString();
}
CFX_ByteString GetFontSetString(IPVT_FontMap* pFontMap,
int32_t nFontIndex,
FX_FLOAT fFontSize) {
if (!pFontMap)
return CFX_ByteString();
CFX_ByteString sFontAlias = pFontMap->GetPDFFontAlias(nFontIndex);
if (sFontAlias.GetLength() <= 0 || fFontSize <= 0)
return CFX_ByteString();
CFX_ByteTextBuf sRet;
sRet << "/" << sFontAlias << " " << fFontSize << " Tf\n";
return sRet.MakeString();
}
void DrawTextString(CFX_RenderDevice* pDevice,
const CFX_PointF& pt,
CPDF_Font* pFont,
FX_FLOAT fFontSize,
CFX_Matrix* pUser2Device,
const CFX_ByteString& str,
FX_ARGB crTextFill,
int32_t nHorzScale) {
CFX_PointF pos = pUser2Device->Transform(pt);
if (pFont) {
if (nHorzScale != 100) {
CFX_Matrix mt(nHorzScale / 100.0f, 0, 0, 1, 0, 0);
mt.Concat(*pUser2Device);
CPDF_RenderOptions ro;
ro.m_Flags = RENDER_CLEARTYPE;
ro.m_ColorMode = RENDER_COLOR_NORMAL;
CPDF_TextRenderer::DrawTextString(pDevice, pos.x, pos.y, pFont, fFontSize,
&mt, str, crTextFill, nullptr, &ro);
} else {
CPDF_RenderOptions ro;
ro.m_Flags = RENDER_CLEARTYPE;
ro.m_ColorMode = RENDER_COLOR_NORMAL;
CPDF_TextRenderer::DrawTextString(pDevice, pos.x, pos.y, pFont, fFontSize,
pUser2Device, str, crTextFill, nullptr,
&ro);
}
}
}
} // namespace
CFX_Edit_Iterator::CFX_Edit_Iterator(CFX_Edit* pEdit,
CPDF_VariableText::Iterator* pVTIterator)
: m_pEdit(pEdit), m_pVTIterator(pVTIterator) {}
CFX_Edit_Iterator::~CFX_Edit_Iterator() {}
bool CFX_Edit_Iterator::NextWord() {
return m_pVTIterator->NextWord();
}
bool CFX_Edit_Iterator::PrevWord() {
return m_pVTIterator->PrevWord();
}
bool CFX_Edit_Iterator::GetWord(CPVT_Word& word) const {
ASSERT(m_pEdit);
if (m_pVTIterator->GetWord(word)) {
word.ptWord = m_pEdit->VTToEdit(word.ptWord);
return true;
}
return false;
}
bool CFX_Edit_Iterator::GetLine(CPVT_Line& line) const {
ASSERT(m_pEdit);
if (m_pVTIterator->GetLine(line)) {
line.ptLine = m_pEdit->VTToEdit(line.ptLine);
return true;
}
return false;
}
bool CFX_Edit_Iterator::GetSection(CPVT_Section& section) const {
ASSERT(m_pEdit);
if (m_pVTIterator->GetSection(section)) {
section.rcSection = m_pEdit->VTToEdit(section.rcSection);
return true;
}
return false;
}
void CFX_Edit_Iterator::SetAt(int32_t nWordIndex) {
m_pVTIterator->SetAt(nWordIndex);
}
void CFX_Edit_Iterator::SetAt(const CPVT_WordPlace& place) {
m_pVTIterator->SetAt(place);
}
const CPVT_WordPlace& CFX_Edit_Iterator::GetAt() const {
return m_pVTIterator->GetAt();
}
CFX_Edit_Provider::CFX_Edit_Provider(IPVT_FontMap* pFontMap)
: CPDF_VariableText::Provider(pFontMap), m_pFontMap(pFontMap) {
ASSERT(m_pFontMap);
}
CFX_Edit_Provider::~CFX_Edit_Provider() {}
IPVT_FontMap* CFX_Edit_Provider::GetFontMap() {
return m_pFontMap;
}
int32_t CFX_Edit_Provider::GetCharWidth(int32_t nFontIndex, uint16_t word) {
if (CPDF_Font* pPDFFont = m_pFontMap->GetPDFFont(nFontIndex)) {
uint32_t charcode = word;
if (pPDFFont->IsUnicodeCompatible())
charcode = pPDFFont->CharCodeFromUnicode(word);
else
charcode = m_pFontMap->CharCodeFromUnicode(nFontIndex, word);
if (charcode != CPDF_Font::kInvalidCharCode)
return pPDFFont->GetCharWidthF(charcode);
}
return 0;
}
int32_t CFX_Edit_Provider::GetTypeAscent(int32_t nFontIndex) {
if (CPDF_Font* pPDFFont = m_pFontMap->GetPDFFont(nFontIndex))
return pPDFFont->GetTypeAscent();
return 0;
}
int32_t CFX_Edit_Provider::GetTypeDescent(int32_t nFontIndex) {
if (CPDF_Font* pPDFFont = m_pFontMap->GetPDFFont(nFontIndex))
return pPDFFont->GetTypeDescent();
return 0;
}
int32_t CFX_Edit_Provider::GetWordFontIndex(uint16_t word,
int32_t charset,
int32_t nFontIndex) {
return m_pFontMap->GetWordFontIndex(word, charset, nFontIndex);
}
int32_t CFX_Edit_Provider::GetDefaultFontIndex() {
return 0;
}
bool CFX_Edit_Provider::IsLatinWord(uint16_t word) {
return FX_EDIT_ISLATINWORD(word);
}
CFX_Edit_Refresh::CFX_Edit_Refresh() {}
CFX_Edit_Refresh::~CFX_Edit_Refresh() {}
void CFX_Edit_Refresh::BeginRefresh() {
m_RefreshRects.Clear();
m_OldLineRects = std::move(m_NewLineRects);
}
void CFX_Edit_Refresh::Push(const CPVT_WordRange& linerange,
const CFX_FloatRect& rect) {
m_NewLineRects.Add(linerange, rect);
}
void CFX_Edit_Refresh::NoAnalyse() {
{
for (int32_t i = 0, sz = m_OldLineRects.GetSize(); i < sz; i++)
if (CFX_Edit_LineRect* pOldRect = m_OldLineRects.GetAt(i))
m_RefreshRects.Add(pOldRect->m_rcLine);
}
{
for (int32_t i = 0, sz = m_NewLineRects.GetSize(); i < sz; i++)
if (CFX_Edit_LineRect* pNewRect = m_NewLineRects.GetAt(i))
m_RefreshRects.Add(pNewRect->m_rcLine);
}
}
void CFX_Edit_Refresh::AddRefresh(const CFX_FloatRect& rect) {
m_RefreshRects.Add(rect);
}
const CFX_Edit_RectArray* CFX_Edit_Refresh::GetRefreshRects() const {
return &m_RefreshRects;
}
void CFX_Edit_Refresh::EndRefresh() {
m_RefreshRects.Clear();
}
CFX_Edit_Undo::CFX_Edit_Undo(int32_t nBufsize)
: m_nCurUndoPos(0),
m_nBufSize(nBufsize),
m_bModified(false),
m_bVirgin(true),
m_bWorking(false) {}
CFX_Edit_Undo::~CFX_Edit_Undo() {
Reset();
}
bool CFX_Edit_Undo::CanUndo() const {
return m_nCurUndoPos > 0;
}
void CFX_Edit_Undo::Undo() {
m_bWorking = true;
if (m_nCurUndoPos > 0) {
m_UndoItemStack[m_nCurUndoPos - 1]->Undo();
m_nCurUndoPos--;
m_bModified = (m_nCurUndoPos != 0);
}
m_bWorking = false;
}
bool CFX_Edit_Undo::CanRedo() const {
return m_nCurUndoPos < m_UndoItemStack.size();
}
void CFX_Edit_Undo::Redo() {
m_bWorking = true;
if (m_nCurUndoPos < m_UndoItemStack.size()) {
m_UndoItemStack[m_nCurUndoPos]->Redo();
m_nCurUndoPos++;
m_bModified = true;
}
m_bWorking = false;
}
void CFX_Edit_Undo::AddItem(std::unique_ptr<IFX_Edit_UndoItem> pItem) {
ASSERT(!m_bWorking);
ASSERT(pItem);
ASSERT(m_nBufSize > 1);
if (m_nCurUndoPos < m_UndoItemStack.size())
RemoveTails();
if (m_UndoItemStack.size() >= m_nBufSize) {
RemoveHeads();
m_bVirgin = false;
}
m_UndoItemStack.push_back(std::move(pItem));
m_nCurUndoPos = m_UndoItemStack.size();
m_bModified = true;
}
bool CFX_Edit_Undo::IsModified() const {
return m_bVirgin ? m_bModified : true;
}
void CFX_Edit_Undo::RemoveHeads() {
ASSERT(m_UndoItemStack.size() > 1);
m_UndoItemStack.pop_front();
}
void CFX_Edit_Undo::RemoveTails() {
while (m_UndoItemStack.size() > m_nCurUndoPos)
m_UndoItemStack.pop_back();
}
void CFX_Edit_Undo::Reset() {
m_UndoItemStack.clear();
m_nCurUndoPos = 0;
}
CFX_Edit_UndoItem::CFX_Edit_UndoItem() : m_bFirst(true), m_bLast(true) {}
CFX_Edit_UndoItem::~CFX_Edit_UndoItem() {}
CFX_WideString CFX_Edit_UndoItem::GetUndoTitle() const {
return CFX_WideString();
}
void CFX_Edit_UndoItem::SetFirst(bool bFirst) {
m_bFirst = bFirst;
}
void CFX_Edit_UndoItem::SetLast(bool bLast) {
m_bLast = bLast;
}
bool CFX_Edit_UndoItem::IsLast() {
return m_bLast;
}
CFX_Edit_GroupUndoItem::CFX_Edit_GroupUndoItem(const CFX_WideString& sTitle)
: m_sTitle(sTitle) {}
CFX_Edit_GroupUndoItem::~CFX_Edit_GroupUndoItem() {}
void CFX_Edit_GroupUndoItem::AddUndoItem(
std::unique_ptr<CFX_Edit_UndoItem> pUndoItem) {
pUndoItem->SetFirst(false);
pUndoItem->SetLast(false);
if (m_sTitle.IsEmpty())
m_sTitle = pUndoItem->GetUndoTitle();
m_Items.push_back(std::move(pUndoItem));
}
void CFX_Edit_GroupUndoItem::UpdateItems() {
if (!m_Items.empty()) {
m_Items.front()->SetFirst(true);
m_Items.back()->SetLast(true);
}
}
void CFX_Edit_GroupUndoItem::Undo() {
for (auto iter = m_Items.rbegin(); iter != m_Items.rend(); ++iter)
(*iter)->Undo();
}
void CFX_Edit_GroupUndoItem::Redo() {
for (auto iter = m_Items.begin(); iter != m_Items.end(); ++iter)
(*iter)->Redo();
}
CFX_WideString CFX_Edit_GroupUndoItem::GetUndoTitle() const {
return m_sTitle;
}
CFXEU_InsertWord::CFXEU_InsertWord(CFX_Edit* pEdit,
const CPVT_WordPlace& wpOldPlace,
const CPVT_WordPlace& wpNewPlace,
uint16_t word,
int32_t charset,
const CPVT_WordProps* pWordProps)
: m_pEdit(pEdit),
m_wpOld(wpOldPlace),
m_wpNew(wpNewPlace),
m_Word(word),
m_nCharset(charset),
m_WordProps() {
if (pWordProps)
m_WordProps = *pWordProps;
}
CFXEU_InsertWord::~CFXEU_InsertWord() {}
void CFXEU_InsertWord::Redo() {
if (m_pEdit) {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpOld);
m_pEdit->InsertWord(m_Word, m_nCharset, &m_WordProps, false, true);
}
}
void CFXEU_InsertWord::Undo() {
if (m_pEdit) {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpNew);
m_pEdit->Backspace(false, true);
}
}
CFXEU_InsertReturn::CFXEU_InsertReturn(CFX_Edit* pEdit,
const CPVT_WordPlace& wpOldPlace,
const CPVT_WordPlace& wpNewPlace,
const CPVT_SecProps* pSecProps,
const CPVT_WordProps* pWordProps)
: m_pEdit(pEdit),
m_wpOld(wpOldPlace),
m_wpNew(wpNewPlace),
m_SecProps(),
m_WordProps() {
if (pSecProps)
m_SecProps = *pSecProps;
if (pWordProps)
m_WordProps = *pWordProps;
}
CFXEU_InsertReturn::~CFXEU_InsertReturn() {}
void CFXEU_InsertReturn::Redo() {
if (m_pEdit) {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpOld);
m_pEdit->InsertReturn(&m_SecProps, &m_WordProps, false, true);
}
}
void CFXEU_InsertReturn::Undo() {
if (m_pEdit) {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpNew);
m_pEdit->Backspace(false, true);
}
}
CFXEU_Backspace::CFXEU_Backspace(CFX_Edit* pEdit,
const CPVT_WordPlace& wpOldPlace,
const CPVT_WordPlace& wpNewPlace,
uint16_t word,
int32_t charset,
const CPVT_SecProps& SecProps,
const CPVT_WordProps& WordProps)
: m_pEdit(pEdit),
m_wpOld(wpOldPlace),
m_wpNew(wpNewPlace),
m_Word(word),
m_nCharset(charset),
m_SecProps(SecProps),
m_WordProps(WordProps) {}
CFXEU_Backspace::~CFXEU_Backspace() {}
void CFXEU_Backspace::Redo() {
if (m_pEdit) {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpOld);
m_pEdit->Backspace(false, true);
}
}
void CFXEU_Backspace::Undo() {
if (m_pEdit) {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpNew);
if (m_wpNew.SecCmp(m_wpOld) != 0) {
m_pEdit->InsertReturn(&m_SecProps, &m_WordProps, false, true);
} else {
m_pEdit->InsertWord(m_Word, m_nCharset, &m_WordProps, false, true);
}
}
}
CFXEU_Delete::CFXEU_Delete(CFX_Edit* pEdit,
const CPVT_WordPlace& wpOldPlace,
const CPVT_WordPlace& wpNewPlace,
uint16_t word,
int32_t charset,
const CPVT_SecProps& SecProps,
const CPVT_WordProps& WordProps,
bool bSecEnd)
: m_pEdit(pEdit),
m_wpOld(wpOldPlace),
m_wpNew(wpNewPlace),
m_Word(word),
m_nCharset(charset),
m_SecProps(SecProps),
m_WordProps(WordProps),
m_bSecEnd(bSecEnd) {}
CFXEU_Delete::~CFXEU_Delete() {}
void CFXEU_Delete::Redo() {
if (m_pEdit) {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpOld);
m_pEdit->Delete(false, true);
}
}
void CFXEU_Delete::Undo() {
if (m_pEdit) {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpNew);
if (m_bSecEnd) {
m_pEdit->InsertReturn(&m_SecProps, &m_WordProps, false, true);
} else {
m_pEdit->InsertWord(m_Word, m_nCharset, &m_WordProps, false, true);
}
}
}
CFXEU_Clear::CFXEU_Clear(CFX_Edit* pEdit,
const CPVT_WordRange& wrSel,
const CFX_WideString& swText)
: m_pEdit(pEdit), m_wrSel(wrSel), m_swText(swText) {}
CFXEU_Clear::~CFXEU_Clear() {}
void CFXEU_Clear::Redo() {
if (m_pEdit) {
m_pEdit->SelectNone();
m_pEdit->SetSel(m_wrSel.BeginPos, m_wrSel.EndPos);
m_pEdit->Clear(false, true);
}
}
void CFXEU_Clear::Undo() {
if (m_pEdit) {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wrSel.BeginPos);
m_pEdit->InsertText(m_swText, FXFONT_DEFAULT_CHARSET, false, true);
m_pEdit->SetSel(m_wrSel.BeginPos, m_wrSel.EndPos);
}
}
CFXEU_InsertText::CFXEU_InsertText(CFX_Edit* pEdit,
const CPVT_WordPlace& wpOldPlace,
const CPVT_WordPlace& wpNewPlace,
const CFX_WideString& swText,
int32_t charset)
: m_pEdit(pEdit),
m_wpOld(wpOldPlace),
m_wpNew(wpNewPlace),
m_swText(swText),
m_nCharset(charset) {}
CFXEU_InsertText::~CFXEU_InsertText() {}
void CFXEU_InsertText::Redo() {
if (m_pEdit && IsLast()) {
m_pEdit->SelectNone();
m_pEdit->SetCaret(m_wpOld);
m_pEdit->InsertText(m_swText, m_nCharset, false, true);
}
}
void CFXEU_InsertText::Undo() {
if (m_pEdit) {
m_pEdit->SelectNone();
m_pEdit->SetSel(m_wpOld, m_wpNew);
m_pEdit->Clear(false, true);
}
}
// static
CFX_ByteString CFX_Edit::GetEditAppearanceStream(CFX_Edit* pEdit,
const CFX_PointF& ptOffset,
const CPVT_WordRange* pRange,
bool bContinuous,
uint16_t SubWord) {
CFX_Edit_Iterator* pIterator = pEdit->GetIterator();
if (pRange)
pIterator->SetAt(pRange->BeginPos);
else
pIterator->SetAt(0);
CFX_ByteTextBuf sEditStream;
CFX_ByteTextBuf sWords;
int32_t nCurFontIndex = -1;
CFX_PointF ptOld;
CFX_PointF ptNew;
CPVT_WordPlace oldplace;
while (pIterator->NextWord()) {
CPVT_WordPlace place = pIterator->GetAt();
if (pRange && place.WordCmp(pRange->EndPos) > 0)
break;
if (bContinuous) {
if (place.LineCmp(oldplace) != 0) {
if (sWords.GetSize() > 0) {
sEditStream << GetWordRenderString(sWords.MakeString());
sWords.Clear();
}
CPVT_Word word;
if (pIterator->GetWord(word)) {
ptNew = CFX_PointF(word.ptWord.x + ptOffset.x,
word.ptWord.y + ptOffset.y);
} else {
CPVT_Line line;
pIterator->GetLine(line);
ptNew = CFX_PointF(line.ptLine.x + ptOffset.x,
line.ptLine.y + ptOffset.y);
}
if (ptNew.x != ptOld.x || ptNew.y != ptOld.y) {
sEditStream << ptNew.x - ptOld.x << " " << ptNew.y - ptOld.y
<< " Td\n";
ptOld = ptNew;
}
}
CPVT_Word word;
if (pIterator->GetWord(word)) {
if (word.nFontIndex != nCurFontIndex) {
if (sWords.GetSize() > 0) {
sEditStream << GetWordRenderString(sWords.MakeString());
sWords.Clear();
}
sEditStream << GetFontSetString(pEdit->GetFontMap(), word.nFontIndex,
word.fFontSize);
nCurFontIndex = word.nFontIndex;
}
sWords << GetPDFWordString(pEdit->GetFontMap(), nCurFontIndex,
word.Word, SubWord);
}
oldplace = place;
} else {
CPVT_Word word;
if (pIterator->GetWord(word)) {
ptNew =
CFX_PointF(word.ptWord.x + ptOffset.x, word.ptWord.y + ptOffset.y);
if (ptNew.x != ptOld.x || ptNew.y != ptOld.y) {
sEditStream << ptNew.x - ptOld.x << " " << ptNew.y - ptOld.y
<< " Td\n";
ptOld = ptNew;
}
if (word.nFontIndex != nCurFontIndex) {
sEditStream << GetFontSetString(pEdit->GetFontMap(), word.nFontIndex,
word.fFontSize);
nCurFontIndex = word.nFontIndex;
}
sEditStream << GetWordRenderString(GetPDFWordString(
pEdit->GetFontMap(), nCurFontIndex, word.Word, SubWord));
}
}
}
if (sWords.GetSize() > 0) {
sEditStream << GetWordRenderString(sWords.MakeString());
sWords.Clear();
}
CFX_ByteTextBuf sAppStream;
if (sEditStream.GetSize() > 0) {
int32_t nHorzScale = pEdit->GetHorzScale();
if (nHorzScale != 100) {
sAppStream << nHorzScale << " Tz\n";
}
FX_FLOAT fCharSpace = pEdit->GetCharSpace();
if (!IsFloatZero(fCharSpace)) {
sAppStream << fCharSpace << " Tc\n";
}
sAppStream << sEditStream;
}
return sAppStream.MakeString();
}
// static
CFX_ByteString CFX_Edit::GetSelectAppearanceStream(
CFX_Edit* pEdit,
const CFX_PointF& ptOffset,
const CPVT_WordRange* pRange) {
if (!pRange || !pRange->IsExist())
return CFX_ByteString();
CFX_Edit_Iterator* pIterator = pEdit->GetIterator();
pIterator->SetAt(pRange->BeginPos);
CFX_ByteTextBuf sRet;
while (pIterator->NextWord()) {
CPVT_WordPlace place = pIterator->GetAt();
if (place.WordCmp(pRange->EndPos) > 0)
break;
CPVT_Word word;
CPVT_Line line;
if (pIterator->GetWord(word) && pIterator->GetLine(line)) {
sRet << word.ptWord.x + ptOffset.x << " "
<< line.ptLine.y + line.fLineDescent << " " << word.fWidth << " "
<< line.fLineAscent - line.fLineDescent << " re\nf\n";
}
}
return sRet.MakeString();
}
// static
void CFX_Edit::DrawEdit(CFX_RenderDevice* pDevice,
CFX_Matrix* pUser2Device,
CFX_Edit* pEdit,
FX_COLORREF crTextFill,
const CFX_FloatRect& rcClip,
const CFX_PointF& ptOffset,
const CPVT_WordRange* pRange,
CFX_SystemHandler* pSystemHandler,
CFFL_FormFiller* pFFLData) {
const bool bContinuous =
pEdit->GetCharArray() == 0 && pEdit->GetCharSpace() <= 0.0f;
uint16_t SubWord = pEdit->GetPasswordChar();
FX_FLOAT fFontSize = pEdit->GetFontSize();
CPVT_WordRange wrSelect = pEdit->GetSelectWordRange();
int32_t nHorzScale = pEdit->GetHorzScale();
FX_COLORREF crCurFill = crTextFill;
FX_COLORREF crOldFill = crCurFill;
bool bSelect = false;
const FX_COLORREF crWhite = ArgbEncode(255, 255, 255, 255);
const FX_COLORREF crSelBK = ArgbEncode(255, 0, 51, 113);
CFX_ByteTextBuf sTextBuf;
int32_t nFontIndex = -1;
CFX_PointF ptBT;
pDevice->SaveState();
if (!rcClip.IsEmpty()) {
CFX_FloatRect rcTemp = rcClip;
pUser2Device->TransformRect(rcTemp);
pDevice->SetClip_Rect(rcTemp.ToFxRect());
}
CFX_Edit_Iterator* pIterator = pEdit->GetIterator();
if (IPVT_FontMap* pFontMap = pEdit->GetFontMap()) {
if (pRange)
pIterator->SetAt(pRange->BeginPos);
else
pIterator->SetAt(0);
CPVT_WordPlace oldplace;
while (pIterator->NextWord()) {
CPVT_WordPlace place = pIterator->GetAt();
if (pRange && place.WordCmp(pRange->EndPos) > 0)
break;
if (wrSelect.IsExist()) {
bSelect = place.WordCmp(wrSelect.BeginPos) > 0 &&
place.WordCmp(wrSelect.EndPos) <= 0;
crCurFill = bSelect ? crWhite : crTextFill;
}
if (pSystemHandler && pSystemHandler->IsSelectionImplemented()) {
crCurFill = crTextFill;
crOldFill = crCurFill;
}
CPVT_Word word;
if (pIterator->GetWord(word)) {
if (bSelect) {
CPVT_Line line;
pIterator->GetLine(line);
if (pSystemHandler && pSystemHandler->IsSelectionImplemented()) {
CFX_FloatRect rc(word.ptWord.x, line.ptLine.y + line.fLineDescent,
word.ptWord.x + word.fWidth,
line.ptLine.y + line.fLineAscent);
rc.Intersect(rcClip);
pSystemHandler->OutputSelectedRect(pFFLData, rc);
} else {
CFX_PathData pathSelBK;
pathSelBK.AppendRect(
word.ptWord.x, line.ptLine.y + line.fLineDescent,
word.ptWord.x + word.fWidth, line.ptLine.y + line.fLineAscent);
pDevice->DrawPath(&pathSelBK, pUser2Device, nullptr, crSelBK, 0,
FXFILL_WINDING);
}
}
if (bContinuous) {
if (place.LineCmp(oldplace) != 0 || word.nFontIndex != nFontIndex ||
crOldFill != crCurFill) {
if (sTextBuf.GetLength() > 0) {
DrawTextString(
pDevice, CFX_PointF(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
pFontMap->GetPDFFont(nFontIndex), fFontSize, pUser2Device,
sTextBuf.MakeString(), crOldFill, nHorzScale);
sTextBuf.Clear();
}
nFontIndex = word.nFontIndex;
ptBT = word.ptWord;
crOldFill = crCurFill;
}
sTextBuf << GetPDFWordString(pFontMap, word.nFontIndex, word.Word,
SubWord)
.AsStringC();
} else {
DrawTextString(
pDevice, CFX_PointF(word.ptWord.x + ptOffset.x,
word.ptWord.y + ptOffset.y),
pFontMap->GetPDFFont(word.nFontIndex), fFontSize, pUser2Device,
GetPDFWordString(pFontMap, word.nFontIndex, word.Word, SubWord),
crCurFill, nHorzScale);
}
oldplace = place;
}
}
if (sTextBuf.GetLength() > 0) {
DrawTextString(pDevice,
CFX_PointF(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
pFontMap->GetPDFFont(nFontIndex), fFontSize, pUser2Device,
sTextBuf.MakeString(), crOldFill, nHorzScale);
}
}
pDevice->RestoreState(false);
}
CFX_Edit::CFX_Edit()
: m_pVT(new CPDF_VariableText),
m_pNotify(nullptr),
m_pOprNotify(nullptr),
m_wpCaret(-1, -1, -1),
m_wpOldCaret(-1, -1, -1),
m_SelState(),
m_bEnableScroll(false),
m_Undo(kEditUndoMaxItems),
m_nAlignment(0),
m_bNotifyFlag(false),
m_bEnableOverflow(false),
m_bEnableRefresh(true),
m_rcOldContent(0.0f, 0.0f, 0.0f, 0.0f),
m_bEnableUndo(true),
m_bOprNotify(false),
m_pGroupUndoItem(nullptr) {}
CFX_Edit::~CFX_Edit() {
ASSERT(!m_pGroupUndoItem);
}
void CFX_Edit::Initialize() {
m_pVT->Initialize();
SetCaret(m_pVT->GetBeginWordPlace());
SetCaretOrigin();
}
void CFX_Edit::SetFontMap(IPVT_FontMap* pFontMap) {
m_pVTProvider = pdfium::MakeUnique<CFX_Edit_Provider>(pFontMap);
m_pVT->SetProvider(m_pVTProvider.get());
}
void CFX_Edit::SetNotify(CPWL_EditCtrl* pNotify) {
m_pNotify = pNotify;
}
void CFX_Edit::SetOprNotify(CPWL_Edit* pOprNotify) {
m_pOprNotify = pOprNotify;
}
CFX_Edit_Iterator* CFX_Edit::GetIterator() {
if (!m_pIterator) {
m_pIterator =
pdfium::MakeUnique<CFX_Edit_Iterator>(this, m_pVT->GetIterator());
}
return m_pIterator.get();
}
IPVT_FontMap* CFX_Edit::GetFontMap() {
return m_pVTProvider ? m_pVTProvider->GetFontMap() : nullptr;
}
void CFX_Edit::SetPlateRect(const CFX_FloatRect& rect) {
m_pVT->SetPlateRect(rect);
m_ptScrollPos = CFX_PointF(rect.left, rect.top);
Paint();
}
void CFX_Edit::SetAlignmentH(int32_t nFormat, bool bPaint) {
m_pVT->SetAlignment(nFormat);
if (bPaint)
Paint();
}
void CFX_Edit::SetAlignmentV(int32_t nFormat, bool bPaint) {
m_nAlignment = nFormat;
if (bPaint)
Paint();
}
void CFX_Edit::SetPasswordChar(uint16_t wSubWord, bool bPaint) {
m_pVT->SetPasswordChar(wSubWord);
if (bPaint)
Paint();
}
void CFX_Edit::SetLimitChar(int32_t nLimitChar) {
m_pVT->SetLimitChar(nLimitChar);
Paint();
}
void CFX_Edit::SetCharArray(int32_t nCharArray) {
m_pVT->SetCharArray(nCharArray);
Paint();
}
void CFX_Edit::SetCharSpace(FX_FLOAT fCharSpace) {
m_pVT->SetCharSpace(fCharSpace);
Paint();
}
void CFX_Edit::SetMultiLine(bool bMultiLine, bool bPaint) {
m_pVT->SetMultiLine(bMultiLine);
if (bPaint)
Paint();
}
void CFX_Edit::SetAutoReturn(bool bAuto, bool bPaint) {
m_pVT->SetAutoReturn(bAuto);
if (bPaint)
Paint();
}
void CFX_Edit::SetAutoFontSize(bool bAuto, bool bPaint) {
m_pVT->SetAutoFontSize(bAuto);
if (bPaint)
Paint();
}
void CFX_Edit::SetFontSize(FX_FLOAT fFontSize) {
m_pVT->SetFontSize(fFontSize);
Paint();
}
void CFX_Edit::SetAutoScroll(bool bAuto, bool bPaint) {
m_bEnableScroll = bAuto;
if (bPaint)
Paint();
}
void CFX_Edit::SetTextOverflow(bool bAllowed, bool bPaint) {
m_bEnableOverflow = bAllowed;
if (bPaint)
Paint();
}
void CFX_Edit::SetSel(int32_t nStartChar, int32_t nEndChar) {
if (m_pVT->IsValid()) {
if (nStartChar == 0 && nEndChar < 0) {
SelectAll();
} else if (nStartChar < 0) {
SelectNone();
} else {
if (nStartChar < nEndChar) {
SetSel(m_pVT->WordIndexToWordPlace(nStartChar),
m_pVT->WordIndexToWordPlace(nEndChar));
} else {
SetSel(m_pVT->WordIndexToWordPlace(nEndChar),
m_pVT->WordIndexToWordPlace(nStartChar));
}
}
}
}
void CFX_Edit::SetSel(const CPVT_WordPlace& begin, const CPVT_WordPlace& end) {
if (m_pVT->IsValid()) {
SelectNone();
m_SelState.Set(begin, end);
SetCaret(m_SelState.EndPos);
if (m_SelState.IsExist()) {
ScrollToCaret();
Refresh();
SetCaretInfo();
} else {
ScrollToCaret();
SetCaretInfo();
}
}
}
void CFX_Edit::GetSel(int32_t& nStartChar, int32_t& nEndChar) const {
nStartChar = -1;
nEndChar = -1;
if (m_pVT->IsValid()) {
if (m_SelState.IsExist()) {
if (m_SelState.BeginPos.WordCmp(m_SelState.EndPos) < 0) {
nStartChar = m_pVT->WordPlaceToWordIndex(m_SelState.BeginPos);
nEndChar = m_pVT->WordPlaceToWordIndex(m_SelState.EndPos);
} else {
nStartChar = m_pVT->WordPlaceToWordIndex(m_SelState.EndPos);
nEndChar = m_pVT->WordPlaceToWordIndex(m_SelState.BeginPos);
}
} else {
nStartChar = m_pVT->WordPlaceToWordIndex(m_wpCaret);
nEndChar = m_pVT->WordPlaceToWordIndex(m_wpCaret);
}
}
}
int32_t CFX_Edit::GetCaret() const {
if (m_pVT->IsValid())
return m_pVT->WordPlaceToWordIndex(m_wpCaret);
return -1;
}
CPVT_WordPlace CFX_Edit::GetCaretWordPlace() const {
return m_wpCaret;
}
CFX_WideString CFX_Edit::GetText() const {
CFX_WideString swRet;
if (!m_pVT->IsValid())
return swRet;
CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
pIterator->SetAt(0);
CPVT_Word wordinfo;
CPVT_WordPlace oldplace = pIterator->GetAt();
while (pIterator->NextWord()) {
CPVT_WordPlace place = pIterator->GetAt();
if (pIterator->GetWord(wordinfo))
swRet += wordinfo.Word;
if (oldplace.SecCmp(place) != 0)
swRet += L"\r\n";
oldplace = place;
}
return swRet;
}
CFX_WideString CFX_Edit::GetRangeText(const CPVT_WordRange& range) const {
CFX_WideString swRet;
if (!m_pVT->IsValid())
return swRet;
CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
CPVT_WordRange wrTemp = range;
m_pVT->UpdateWordPlace(wrTemp.BeginPos);
m_pVT->UpdateWordPlace(wrTemp.EndPos);
pIterator->SetAt(wrTemp.BeginPos);
CPVT_Word wordinfo;
CPVT_WordPlace oldplace = wrTemp.BeginPos;
while (pIterator->NextWord()) {
CPVT_WordPlace place = pIterator->GetAt();
if (place.WordCmp(wrTemp.EndPos) > 0)
break;
if (pIterator->GetWord(wordinfo))
swRet += wordinfo.Word;
if (oldplace.SecCmp(place) != 0)
swRet += L"\r\n";
oldplace = place;
}
return swRet;
}
CFX_WideString CFX_Edit::GetSelText() const {
return GetRangeText(m_SelState.ConvertToWordRange());
}
int32_t CFX_Edit::GetTotalWords() const {
return m_pVT->GetTotalWords();
}
int32_t CFX_Edit::GetTotalLines() const {
int32_t nLines = 1;
CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
pIterator->SetAt(0);
while (pIterator->NextLine())
++nLines;
return nLines;
}
CPVT_WordRange CFX_Edit::GetSelectWordRange() const {
return m_SelState.ConvertToWordRange();
}
void CFX_Edit::SetText(const CFX_WideString& sText) {
Empty();
DoInsertText(CPVT_WordPlace(0, 0, -1), sText, FXFONT_DEFAULT_CHARSET);
Paint();
}
bool CFX_Edit::InsertWord(uint16_t word, int32_t charset) {
return InsertWord(word, charset, nullptr, true, true);
}
bool CFX_Edit::InsertReturn() {
return InsertReturn(nullptr, nullptr, true, true);
}
bool CFX_Edit::Backspace() {
return Backspace(true, true);
}
bool CFX_Edit::Delete() {
return Delete(true, true);
}
bool CFX_Edit::Clear() {
return Clear(true, true);
}
bool CFX_Edit::InsertText(const CFX_WideString& sText, int32_t charset) {
return InsertText(sText, charset, true, true);
}
FX_FLOAT CFX_Edit::GetFontSize() const {
return m_pVT->GetFontSize();
}
uint16_t CFX_Edit::GetPasswordChar() const {
return m_pVT->GetPasswordChar();
}
int32_t CFX_Edit::GetCharArray() const {
return m_pVT->GetCharArray();
}
CFX_FloatRect CFX_Edit::GetContentRect() const {
return VTToEdit(m_pVT->GetContentRect());
}
int32_t CFX_Edit::GetHorzScale() const {
return m_pVT->GetHorzScale();
}
FX_FLOAT CFX_Edit::GetCharSpace() const {
return m_pVT->GetCharSpace();
}
CPVT_WordRange CFX_Edit::GetWholeWordRange() const {
if (m_pVT->IsValid())
return CPVT_WordRange(m_pVT->GetBeginWordPlace(), m_pVT->GetEndWordPlace());
return CPVT_WordRange();
}
CPVT_WordRange CFX_Edit::GetVisibleWordRange() const {
if (m_bEnableOverflow)
return GetWholeWordRange();
if (m_pVT->IsValid()) {
CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
CPVT_WordPlace place1 =
m_pVT->SearchWordPlace(EditToVT(CFX_PointF(rcPlate.left, rcPlate.top)));
CPVT_WordPlace place2 = m_pVT->SearchWordPlace(
EditToVT(CFX_PointF(rcPlate.right, rcPlate.bottom)));
return CPVT_WordRange(place1, place2);
}
return CPVT_WordRange();
}
CPVT_WordPlace CFX_Edit::SearchWordPlace(const CFX_PointF& point) const {
if (m_pVT->IsValid()) {
return m_pVT->SearchWordPlace(EditToVT(point));
}
return CPVT_WordPlace();
}
void CFX_Edit::Paint() {
if (m_pVT->IsValid()) {
RearrangeAll();
ScrollToCaret();
Refresh();
SetCaretOrigin();
SetCaretInfo();
}
}
void CFX_Edit::RearrangeAll() {
if (m_pVT->IsValid()) {
m_pVT->UpdateWordPlace(m_wpCaret);
m_pVT->RearrangeAll();
m_pVT->UpdateWordPlace(m_wpCaret);
SetScrollInfo();
SetContentChanged();
}
}
void CFX_Edit::RearrangePart(const CPVT_WordRange& range) {
if (m_pVT->IsValid()) {
m_pVT->UpdateWordPlace(m_wpCaret);
m_pVT->RearrangePart(range);
m_pVT->UpdateWordPlace(m_wpCaret);
SetScrollInfo();
SetContentChanged();
}
}
void CFX_Edit::SetContentChanged() {
if (m_pNotify) {
CFX_FloatRect rcContent = m_pVT->GetContentRect();
if (rcContent.Width() != m_rcOldContent.Width() ||
rcContent.Height() != m_rcOldContent.Height()) {
if (!m_bNotifyFlag) {
m_bNotifyFlag = true;
m_pNotify->IOnContentChange(rcContent);
m_bNotifyFlag = false;
}
m_rcOldContent = rcContent;
}
}
}
void CFX_Edit::SelectAll() {
if (m_pVT->IsValid()) {
m_SelState = CFX_Edit_Select(GetWholeWordRange());
SetCaret(m_SelState.EndPos);
ScrollToCaret();
Refresh();
SetCaretInfo();
}
}
void CFX_Edit::SelectNone() {
if (m_pVT->IsValid()) {
if (m_SelState.IsExist()) {
m_SelState.Default();
Refresh();
}
}
}
bool CFX_Edit::IsSelected() const {
return m_SelState.IsExist();
}
CFX_PointF CFX_Edit::VTToEdit(const CFX_PointF& point) const {
CFX_FloatRect rcContent = m_pVT->GetContentRect();
CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
FX_FLOAT fPadding = 0.0f;
switch (m_nAlignment) {
case 0:
fPadding = 0.0f;
break;
case 1:
fPadding = (rcPlate.Height() - rcContent.Height()) * 0.5f;
break;
case 2:
fPadding = rcPlate.Height() - rcContent.Height();
break;
}
return CFX_PointF(point.x - (m_ptScrollPos.x - rcPlate.left),
point.y - (m_ptScrollPos.y + fPadding - rcPlate.top));
}
CFX_PointF CFX_Edit::EditToVT(const CFX_PointF& point) const {
CFX_FloatRect rcContent = m_pVT->GetContentRect();
CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
FX_FLOAT fPadding = 0.0f;
switch (m_nAlignment) {
case 0:
fPadding = 0.0f;
break;
case 1:
fPadding = (rcPlate.Height() - rcContent.Height()) * 0.5f;
break;
case 2:
fPadding = rcPlate.Height() - rcContent.Height();
break;
}
return CFX_PointF(point.x + (m_ptScrollPos.x - rcPlate.left),
point.y + (m_ptScrollPos.y + fPadding - rcPlate.top));
}
CFX_FloatRect CFX_Edit::VTToEdit(const CFX_FloatRect& rect) const {
CFX_PointF ptLeftBottom = VTToEdit(CFX_PointF(rect.left, rect.bottom));
CFX_PointF ptRightTop = VTToEdit(CFX_PointF(rect.right, rect.top));
return CFX_FloatRect(ptLeftBottom.x, ptLeftBottom.y, ptRightTop.x,
ptRightTop.y);
}
void CFX_Edit::SetScrollInfo() {
if (m_pNotify) {
CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
CFX_FloatRect rcContent = m_pVT->GetContentRect();
if (!m_bNotifyFlag) {
m_bNotifyFlag = true;
m_pNotify->IOnSetScrollInfoY(rcPlate.bottom, rcPlate.top,
rcContent.bottom, rcContent.top,
rcPlate.Height() / 3, rcPlate.Height());
m_bNotifyFlag = false;
}
}
}
void CFX_Edit::SetScrollPosX(FX_FLOAT fx) {
if (!m_bEnableScroll)
return;
if (m_pVT->IsValid()) {
if (!IsFloatEqual(m_ptScrollPos.x, fx)) {
m_ptScrollPos.x = fx;
Refresh();
}
}
}
void CFX_Edit::SetScrollPosY(FX_FLOAT fy) {
if (!m_bEnableScroll)
return;
if (m_pVT->IsValid()) {
if (!IsFloatEqual(m_ptScrollPos.y, fy)) {
m_ptScrollPos.y = fy;
Refresh();
if (m_pNotify) {
if (!m_bNotifyFlag) {
m_bNotifyFlag = true;
m_pNotify->IOnSetScrollPosY(fy);
m_bNotifyFlag = false;
}
}
}
}
}
void CFX_Edit::SetScrollPos(const CFX_PointF& point) {
SetScrollPosX(point.x);
SetScrollPosY(point.y);
SetScrollLimit();
SetCaretInfo();
}
CFX_PointF CFX_Edit::GetScrollPos() const {
return m_ptScrollPos;
}
void CFX_Edit::SetScrollLimit() {
if (m_pVT->IsValid()) {
CFX_FloatRect rcContent = m_pVT->GetContentRect();
CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
if (rcPlate.Width() > rcContent.Width()) {
SetScrollPosX(rcPlate.left);
} else {
if (IsFloatSmaller(m_ptScrollPos.x, rcContent.left)) {
SetScrollPosX(rcContent.left);
} else if (IsFloatBigger(m_ptScrollPos.x,
rcContent.right - rcPlate.Width())) {
SetScrollPosX(rcContent.right - rcPlate.Width());
}
}
if (rcPlate.Height() > rcContent.Height()) {
SetScrollPosY(rcPlate.top);
} else {
if (IsFloatSmaller(m_ptScrollPos.y,
rcContent.bottom + rcPlate.Height())) {
SetScrollPosY(rcContent.bottom + rcPlate.Height());
} else if (IsFloatBigger(m_ptScrollPos.y, rcContent.top)) {
SetScrollPosY(rcContent.top);
}
}
}
}
void CFX_Edit::ScrollToCaret() {
SetScrollLimit();
if (!m_pVT->IsValid())
return;
CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
pIterator->SetAt(m_wpCaret);
CFX_PointF ptHead;
CFX_PointF ptFoot;
CPVT_Word word;
CPVT_Line line;
if (pIterator->GetWord(word)) {
ptHead.x = word.ptWord.x + word.fWidth;
ptHead.y = word.ptWord.y + word.fAscent;
ptFoot.x = word.ptWord.x + word.fWidth;
ptFoot.y = word.ptWord.y + word.fDescent;
} else if (pIterator->GetLine(line)) {
ptHead.x = line.ptLine.x;
ptHead.y = line.ptLine.y + line.fLineAscent;
ptFoot.x = line.ptLine.x;
ptFoot.y = line.ptLine.y + line.fLineDescent;
}
CFX_PointF ptHeadEdit = VTToEdit(ptHead);
CFX_PointF ptFootEdit = VTToEdit(ptFoot);
CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
if (!IsFloatEqual(rcPlate.left, rcPlate.right)) {
if (IsFloatSmaller(ptHeadEdit.x, rcPlate.left) ||
IsFloatEqual(ptHeadEdit.x, rcPlate.left)) {
SetScrollPosX(ptHead.x);
} else if (IsFloatBigger(ptHeadEdit.x, rcPlate.right)) {
SetScrollPosX(ptHead.x - rcPlate.Width());
}
}
if (!IsFloatEqual(rcPlate.top, rcPlate.bottom)) {
if (IsFloatSmaller(ptFootEdit.y, rcPlate.bottom) ||
IsFloatEqual(ptFootEdit.y, rcPlate.bottom)) {
if (IsFloatSmaller(ptHeadEdit.y, rcPlate.top)) {
SetScrollPosY(ptFoot.y + rcPlate.Height());
}
} else if (IsFloatBigger(ptHeadEdit.y, rcPlate.top)) {
if (IsFloatBigger(ptFootEdit.y, rcPlate.bottom)) {
SetScrollPosY(ptHead.y);
}
}
}
}
void CFX_Edit::Refresh() {
if (m_bEnableRefresh && m_pVT->IsValid()) {
m_Refresh.BeginRefresh();
RefreshPushLineRects(GetVisibleWordRange());
m_Refresh.NoAnalyse();
m_ptRefreshScrollPos = m_ptScrollPos;
if (m_pNotify) {
if (!m_bNotifyFlag) {
m_bNotifyFlag = true;
if (const CFX_Edit_RectArray* pRects = m_Refresh.GetRefreshRects()) {
for (int32_t i = 0, sz = pRects->GetSize(); i < sz; i++)
m_pNotify->IOnInvalidateRect(pRects->GetAt(i));
}
m_bNotifyFlag = false;
}
}
m_Refresh.EndRefresh();
}
}
void CFX_Edit::RefreshPushLineRects(const CPVT_WordRange& wr) {
if (!m_pVT->IsValid())
return;
CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
CPVT_WordPlace wpBegin = wr.BeginPos;
m_pVT->UpdateWordPlace(wpBegin);
CPVT_WordPlace wpEnd = wr.EndPos;
m_pVT->UpdateWordPlace(wpEnd);
pIterator->SetAt(wpBegin);
CPVT_Line lineinfo;
do {
if (!pIterator->GetLine(lineinfo))
break;
if (lineinfo.lineplace.LineCmp(wpEnd) > 0)
break;
CFX_FloatRect rcLine(lineinfo.ptLine.x,
lineinfo.ptLine.y + lineinfo.fLineDescent,
lineinfo.ptLine.x + lineinfo.fLineWidth,
lineinfo.ptLine.y + lineinfo.fLineAscent);
m_Refresh.Push(CPVT_WordRange(lineinfo.lineplace, lineinfo.lineEnd),
VTToEdit(rcLine));
} while (pIterator->NextLine());
}
void CFX_Edit::RefreshWordRange(const CPVT_WordRange& wr) {
CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
CPVT_WordRange wrTemp = wr;
m_pVT->UpdateWordPlace(wrTemp.BeginPos);
m_pVT->UpdateWordPlace(wrTemp.EndPos);
pIterator->SetAt(wrTemp.BeginPos);
CPVT_Word wordinfo;
CPVT_Line lineinfo;
CPVT_WordPlace place;
while (pIterator->NextWord()) {
place = pIterator->GetAt();
if (place.WordCmp(wrTemp.EndPos) > 0)
break;
pIterator->GetWord(wordinfo);
pIterator->GetLine(lineinfo);
if (place.LineCmp(wrTemp.BeginPos) == 0 ||
place.LineCmp(wrTemp.EndPos) == 0) {
CFX_FloatRect rcWord(wordinfo.ptWord.x,
lineinfo.ptLine.y + lineinfo.fLineDescent,
wordinfo.ptWord.x + wordinfo.fWidth,
lineinfo.ptLine.y + lineinfo.fLineAscent);
if (m_pNotify) {
if (!m_bNotifyFlag) {
m_bNotifyFlag = true;
CFX_FloatRect rcRefresh = VTToEdit(rcWord);
m_pNotify->IOnInvalidateRect(&rcRefresh);
m_bNotifyFlag = false;
}
}
} else {
CFX_FloatRect rcLine(lineinfo.ptLine.x,
lineinfo.ptLine.y + lineinfo.fLineDescent,
lineinfo.ptLine.x + lineinfo.fLineWidth,
lineinfo.ptLine.y + lineinfo.fLineAscent);
if (m_pNotify) {
if (!m_bNotifyFlag) {
m_bNotifyFlag = true;
CFX_FloatRect rcRefresh = VTToEdit(rcLine);
m_pNotify->IOnInvalidateRect(&rcRefresh);
m_bNotifyFlag = false;
}
}
pIterator->NextLine();
}
}
}
void CFX_Edit::SetCaret(const CPVT_WordPlace& place) {
m_wpOldCaret = m_wpCaret;
m_wpCaret = place;
}
void CFX_Edit::SetCaretInfo() {
if (m_pNotify) {
if (!m_bNotifyFlag) {
CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
pIterator->SetAt(m_wpCaret);
CFX_PointF ptHead;
CFX_PointF ptFoot;
CPVT_Word word;
CPVT_Line line;
if (pIterator->GetWord(word)) {
ptHead.x = word.ptWord.x + word.fWidth;
ptHead.y = word.ptWord.y + word.fAscent;
ptFoot.x = word.ptWord.x + word.fWidth;
ptFoot.y = word.ptWord.y + word.fDescent;
} else if (pIterator->GetLine(line)) {
ptHead.x = line.ptLine.x;
ptHead.y = line.ptLine.y + line.fLineAscent;
ptFoot.x = line.ptLine.x;
ptFoot.y = line.ptLine.y + line.fLineDescent;
}
m_bNotifyFlag = true;
m_pNotify->IOnSetCaret(!m_SelState.IsExist(), VTToEdit(ptHead),
VTToEdit(ptFoot), m_wpCaret);
m_bNotifyFlag = false;
}
}
}
void CFX_Edit::SetCaret(int32_t nPos) {
if (m_pVT->IsValid()) {
SelectNone();
SetCaret(m_pVT->WordIndexToWordPlace(nPos));
m_SelState.Set(m_wpCaret, m_wpCaret);
ScrollToCaret();
SetCaretOrigin();
SetCaretInfo();
}
}
void CFX_Edit::OnMouseDown(const CFX_PointF& point, bool bShift, bool bCtrl) {
if (m_pVT->IsValid()) {
SelectNone();
SetCaret(m_pVT->SearchWordPlace(EditToVT(point)));
m_SelState.Set(m_wpCaret, m_wpCaret);
ScrollToCaret();
SetCaretOrigin();
SetCaretInfo();
}
}
void CFX_Edit::OnMouseMove(const CFX_PointF& point, bool bShift, bool bCtrl) {
if (m_pVT->IsValid()) {
SetCaret(m_pVT->SearchWordPlace(EditToVT(point)));
if (m_wpCaret != m_wpOldCaret) {
m_SelState.SetEndPos(m_wpCaret);
ScrollToCaret();
Refresh();
SetCaretOrigin();
SetCaretInfo();
}
}
}
void CFX_Edit::OnVK_UP(bool bShift, bool bCtrl) {
if (m_pVT->IsValid()) {
SetCaret(m_pVT->GetUpWordPlace(m_wpCaret, m_ptCaret));
if (bShift) {
if (m_SelState.IsExist())
m_SelState.SetEndPos(m_wpCaret);
else
m_SelState.Set(m_wpOldCaret, m_wpCaret);
if (m_wpOldCaret != m_wpCaret) {
ScrollToCaret();
Refresh();
SetCaretInfo();
}
} else {
SelectNone();
ScrollToCaret();
SetCaretInfo();
}
}
}
void CFX_Edit::OnVK_DOWN(bool bShift, bool bCtrl) {
if (m_pVT->IsValid()) {
SetCaret(m_pVT->GetDownWordPlace(m_wpCaret, m_ptCaret));
if (bShift) {
if (m_SelState.IsExist())
m_SelState.SetEndPos(m_wpCaret);
else
m_SelState.Set(m_wpOldCaret, m_wpCaret);
if (m_wpOldCaret != m_wpCaret) {
ScrollToCaret();
Refresh();
SetCaretInfo();
}
} else {
SelectNone();
ScrollToCaret();
SetCaretInfo();
}
}
}
void CFX_Edit::OnVK_LEFT(bool bShift, bool bCtrl) {
if (m_pVT->IsValid()) {
if (bShift) {
if (m_wpCaret == m_pVT->GetLineBeginPlace(m_wpCaret) &&
m_wpCaret != m_pVT->GetSectionBeginPlace(m_wpCaret))
SetCaret(m_pVT->GetPrevWordPlace(m_wpCaret));
SetCaret(m_pVT->GetPrevWordPlace(m_wpCaret));
if (m_SelState.IsExist())
m_SelState.SetEndPos(m_wpCaret);
else
m_SelState.Set(m_wpOldCaret, m_wpCaret);
if (m_wpOldCaret != m_wpCaret) {
ScrollToCaret();
Refresh();
SetCaretInfo();
}
} else {
if (m_SelState.IsExist()) {
if (m_SelState.BeginPos.WordCmp(m_SelState.EndPos) < 0)
SetCaret(m_SelState.BeginPos);
else
SetCaret(m_SelState.EndPos);
SelectNone();
ScrollToCaret();
SetCaretInfo();
} else {
if (m_wpCaret == m_pVT->GetLineBeginPlace(m_wpCaret) &&
m_wpCaret != m_pVT->GetSectionBeginPlace(m_wpCaret))
SetCaret(m_pVT->GetPrevWordPlace(m_wpCaret));
SetCaret(m_pVT->GetPrevWordPlace(m_wpCaret));
ScrollToCaret();
SetCaretOrigin();
SetCaretInfo();
}
}
}
}
void CFX_Edit::OnVK_RIGHT(bool bShift, bool bCtrl) {
if (m_pVT->IsValid()) {
if (bShift) {
SetCaret(m_pVT->GetNextWordPlace(m_wpCaret));
if (m_wpCaret == m_pVT->GetLineEndPlace(m_wpCaret) &&
m_wpCaret != m_pVT->GetSectionEndPlace(m_wpCaret))
SetCaret(m_pVT->GetNextWordPlace(m_wpCaret));
if (m_SelState.IsExist())
m_SelState.SetEndPos(m_wpCaret);
else
m_SelState.Set(m_wpOldCaret, m_wpCaret);
if (m_wpOldCaret != m_wpCaret) {
ScrollToCaret();
Refresh();
SetCaretInfo();
}
} else {
if (m_SelState.IsExist()) {
if (m_SelState.BeginPos.WordCmp(m_SelState.EndPos) > 0)
SetCaret(m_SelState.BeginPos);
else
SetCaret(m_SelState.EndPos);
SelectNone();
ScrollToCaret();
SetCaretInfo();
} else {
SetCaret(m_pVT->GetNextWordPlace(m_wpCaret));
if (m_wpCaret == m_pVT->GetLineEndPlace(m_wpCaret) &&
m_wpCaret != m_pVT->GetSectionEndPlace(m_wpCaret))
SetCaret(m_pVT->GetNextWordPlace(m_wpCaret));
ScrollToCaret();
SetCaretOrigin();
SetCaretInfo();
}
}
}
}
void CFX_Edit::OnVK_HOME(bool bShift, bool bCtrl) {
if (m_pVT->IsValid()) {
if (bShift) {
if (bCtrl)
SetCaret(m_pVT->GetBeginWordPlace());
else
SetCaret(m_pVT->GetLineBeginPlace(m_wpCaret));
if (m_SelState.IsExist())
m_SelState.SetEndPos(m_wpCaret);
else
m_SelState.Set(m_wpOldCaret, m_wpCaret);
ScrollToCaret();
Refresh();
SetCaretInfo();
} else {
if (m_SelState.IsExist()) {
if (m_SelState.BeginPos.WordCmp(m_SelState.EndPos) < 0)
SetCaret(m_SelState.BeginPos);
else
SetCaret(m_SelState.EndPos);
SelectNone();
ScrollToCaret();
SetCaretInfo();
} else {
if (bCtrl)
SetCaret(m_pVT->GetBeginWordPlace());
else
SetCaret(m_pVT->GetLineBeginPlace(m_wpCaret));
ScrollToCaret();
SetCaretOrigin();
SetCaretInfo();
}
}
}
}
void CFX_Edit::OnVK_END(bool bShift, bool bCtrl) {
if (m_pVT->IsValid()) {
if (bShift) {
if (bCtrl)
SetCaret(m_pVT->GetEndWordPlace());
else
SetCaret(m_pVT->GetLineEndPlace(m_wpCaret));
if (m_SelState.IsExist())
m_SelState.SetEndPos(m_wpCaret);
else
m_SelState.Set(m_wpOldCaret, m_wpCaret);
ScrollToCaret();
Refresh();
SetCaretInfo();
} else {
if (m_SelState.IsExist()) {
if (m_SelState.BeginPos.WordCmp(m_SelState.EndPos) > 0)
SetCaret(m_SelState.BeginPos);
else
SetCaret(m_SelState.EndPos);
SelectNone();
ScrollToCaret();
SetCaretInfo();
} else {
if (bCtrl)
SetCaret(m_pVT->GetEndWordPlace());
else
SetCaret(m_pVT->GetLineEndPlace(m_wpCaret));
ScrollToCaret();
SetCaretOrigin();
SetCaretInfo();
}
}
}
}
bool CFX_Edit::InsertWord(uint16_t word,
int32_t charset,
const CPVT_WordProps* pWordProps,
bool bAddUndo,
bool bPaint) {
if (IsTextOverflow() || !m_pVT->IsValid())
return false;
m_pVT->UpdateWordPlace(m_wpCaret);
SetCaret(m_pVT->InsertWord(m_wpCaret, word,
GetCharSetFromUnicode(word, charset), pWordProps));
m_SelState.Set(m_wpCaret, m_wpCaret);
if (m_wpCaret == m_wpOldCaret)
return false;
if (bAddUndo && m_bEnableUndo) {
AddEditUndoItem(pdfium::MakeUnique<CFXEU_InsertWord>(
this, m_wpOldCaret, m_wpCaret, word, charset, pWordProps));
}
if (bPaint)
PaintInsertText(m_wpOldCaret, m_wpCaret);
if (m_bOprNotify && m_pOprNotify)
m_pOprNotify->OnInsertWord(m_wpCaret, m_wpOldCaret);
return true;
}
bool CFX_Edit::InsertReturn(const CPVT_SecProps* pSecProps,
const CPVT_WordProps* pWordProps,
bool bAddUndo,
bool bPaint) {
if (IsTextOverflow() || !m_pVT->IsValid())
return false;
m_pVT->UpdateWordPlace(m_wpCaret);
SetCaret(m_pVT->InsertSection(m_wpCaret, pSecProps, pWordProps));
m_SelState.Set(m_wpCaret, m_wpCaret);
if (m_wpCaret == m_wpOldCaret)
return false;
if (bAddUndo && m_bEnableUndo) {
AddEditUndoItem(pdfium::MakeUnique<CFXEU_InsertReturn>(
this, m_wpOldCaret, m_wpCaret, pSecProps, pWordProps));
}
if (bPaint) {
RearrangePart(CPVT_WordRange(m_wpOldCaret, m_wpCaret));
ScrollToCaret();
Refresh();
SetCaretOrigin();
SetCaretInfo();
}
if (m_bOprNotify && m_pOprNotify)
m_pOprNotify->OnInsertReturn(m_wpCaret, m_wpOldCaret);
return true;
}
bool CFX_Edit::Backspace(bool bAddUndo, bool bPaint) {
if (!m_pVT->IsValid() || m_wpCaret == m_pVT->GetBeginWordPlace())
return false;
CPVT_Section section;
CPVT_Word word;
if (bAddUndo) {
CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
pIterator->SetAt(m_wpCaret);
pIterator->GetSection(section);
pIterator->GetWord(word);
}
m_pVT->UpdateWordPlace(m_wpCaret);
SetCaret(m_pVT->BackSpaceWord(m_wpCaret));
m_SelState.Set(m_wpCaret, m_wpCaret);
if (m_wpCaret == m_wpOldCaret)
return false;
if (bAddUndo && m_bEnableUndo) {
if (m_wpCaret.SecCmp(m_wpOldCaret) != 0) {
AddEditUndoItem(pdfium::MakeUnique<CFXEU_Backspace>(
this, m_wpOldCaret, m_wpCaret, word.Word, word.nCharset,
section.SecProps, section.WordProps));
} else {
AddEditUndoItem(pdfium::MakeUnique<CFXEU_Backspace>(
this, m_wpOldCaret, m_wpCaret, word.Word, word.nCharset,
section.SecProps, word.WordProps));
}
}
if (bPaint) {
RearrangePart(CPVT_WordRange(m_wpCaret, m_wpOldCaret));
ScrollToCaret();
Refresh();
SetCaretOrigin();
SetCaretInfo();
}
if (m_bOprNotify && m_pOprNotify)
m_pOprNotify->OnBackSpace(m_wpCaret, m_wpOldCaret);
return true;
}
bool CFX_Edit::Delete(bool bAddUndo, bool bPaint) {
if (!m_pVT->IsValid() || m_wpCaret == m_pVT->GetEndWordPlace())
return false;
CPVT_Section section;
CPVT_Word word;
if (bAddUndo) {
CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
pIterator->SetAt(m_pVT->GetNextWordPlace(m_wpCaret));
pIterator->GetSection(section);
pIterator->GetWord(word);
}
m_pVT->UpdateWordPlace(m_wpCaret);
bool bSecEnd = (m_wpCaret == m_pVT->GetSectionEndPlace(m_wpCaret));
SetCaret(m_pVT->DeleteWord(m_wpCaret));
m_SelState.Set(m_wpCaret, m_wpCaret);
if (bAddUndo && m_bEnableUndo) {
if (bSecEnd) {
AddEditUndoItem(pdfium::MakeUnique<CFXEU_Delete>(
this, m_wpOldCaret, m_wpCaret, word.Word, word.nCharset,
section.SecProps, section.WordProps, bSecEnd));
} else {
AddEditUndoItem(pdfium::MakeUnique<CFXEU_Delete>(
this, m_wpOldCaret, m_wpCaret, word.Word, word.nCharset,
section.SecProps, word.WordProps, bSecEnd));
}
}
if (bPaint) {
RearrangePart(CPVT_WordRange(m_wpOldCaret, m_wpCaret));
ScrollToCaret();
Refresh();
SetCaretOrigin();
SetCaretInfo();
}
if (m_bOprNotify && m_pOprNotify)
m_pOprNotify->OnDelete(m_wpCaret, m_wpOldCaret);
return true;
}
bool CFX_Edit::Empty() {
if (m_pVT->IsValid()) {
m_pVT->DeleteWords(GetWholeWordRange());
SetCaret(m_pVT->GetBeginWordPlace());
return true;
}
return false;
}
bool CFX_Edit::Clear(bool bAddUndo, bool bPaint) {
if (!m_pVT->IsValid() || !m_SelState.IsExist())
return false;
CPVT_WordRange range = m_SelState.ConvertToWordRange();
if (bAddUndo && m_bEnableUndo)
AddEditUndoItem(pdfium::MakeUnique<CFXEU_Clear>(this, range, GetSelText()));
SelectNone();
SetCaret(m_pVT->DeleteWords(range));
m_SelState.Set(m_wpCaret, m_wpCaret);
if (bPaint) {
RearrangePart(range);
ScrollToCaret();
Refresh();
SetCaretOrigin();
SetCaretInfo();
}
if (m_bOprNotify && m_pOprNotify)
m_pOprNotify->OnClear(m_wpCaret, m_wpOldCaret);
return true;
}
bool CFX_Edit::InsertText(const CFX_WideString& sText,
int32_t charset,
bool bAddUndo,
bool bPaint) {
if (IsTextOverflow())
return false;
m_pVT->UpdateWordPlace(m_wpCaret);
SetCaret(DoInsertText(m_wpCaret, sText, charset));
m_SelState.Set(m_wpCaret, m_wpCaret);
if (m_wpCaret == m_wpOldCaret)
return false;
if (bAddUndo && m_bEnableUndo) {
AddEditUndoItem(pdfium::MakeUnique<CFXEU_InsertText>(
this, m_wpOldCaret, m_wpCaret, sText, charset));
}
if (bPaint)
PaintInsertText(m_wpOldCaret, m_wpCaret);
if (m_bOprNotify && m_pOprNotify)
m_pOprNotify->OnInsertText(m_wpCaret, m_wpOldCaret);
return true;
}
void CFX_Edit::PaintInsertText(const CPVT_WordPlace& wpOld,
const CPVT_WordPlace& wpNew) {
if (m_pVT->IsValid()) {
RearrangePart(CPVT_WordRange(wpOld, wpNew));
ScrollToCaret();
Refresh();
SetCaretOrigin();
SetCaretInfo();
}
}
bool CFX_Edit::Redo() {
if (m_bEnableUndo) {
if (m_Undo.CanRedo()) {
m_Undo.Redo();
return true;
}
}
return false;
}
bool CFX_Edit::Undo() {
if (m_bEnableUndo) {
if (m_Undo.CanUndo()) {
m_Undo.Undo();
return true;
}
}
return false;
}
void CFX_Edit::SetCaretOrigin() {
if (!m_pVT->IsValid())
return;
CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
pIterator->SetAt(m_wpCaret);
CPVT_Word word;
CPVT_Line line;
if (pIterator->GetWord(word)) {
m_ptCaret.x = word.ptWord.x + word.fWidth;
m_ptCaret.y = word.ptWord.y;
} else if (pIterator->GetLine(line)) {
m_ptCaret.x = line.ptLine.x;
m_ptCaret.y = line.ptLine.y;
}
}
int32_t CFX_Edit::WordPlaceToWordIndex(const CPVT_WordPlace& place) const {
if (m_pVT->IsValid())
return m_pVT->WordPlaceToWordIndex(place);
return -1;
}
CPVT_WordPlace CFX_Edit::WordIndexToWordPlace(int32_t index) const {
if (m_pVT->IsValid())
return m_pVT->WordIndexToWordPlace(index);
return CPVT_WordPlace();
}
bool CFX_Edit::IsTextFull() const {
int32_t nTotalWords = m_pVT->GetTotalWords();
int32_t nLimitChar = m_pVT->GetLimitChar();
int32_t nCharArray = m_pVT->GetCharArray();
return IsTextOverflow() || (nLimitChar > 0 && nTotalWords >= nLimitChar) ||
(nCharArray > 0 && nTotalWords >= nCharArray);
}
bool CFX_Edit::IsTextOverflow() const {
if (!m_bEnableScroll && !m_bEnableOverflow) {
CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
CFX_FloatRect rcContent = m_pVT->GetContentRect();
if (m_pVT->IsMultiLine() && GetTotalLines() > 1 &&
IsFloatBigger(rcContent.Height(), rcPlate.Height())) {
return true;
}
if (IsFloatBigger(rcContent.Width(), rcPlate.Width()))
return true;
}
return false;
}
bool CFX_Edit::CanUndo() const {
if (m_bEnableUndo) {
return m_Undo.CanUndo();
}
return false;
}
bool CFX_Edit::CanRedo() const {
if (m_bEnableUndo) {
return m_Undo.CanRedo();
}
return false;
}
void CFX_Edit::EnableRefresh(bool bRefresh) {
m_bEnableRefresh = bRefresh;
}
void CFX_Edit::EnableUndo(bool bUndo) {
m_bEnableUndo = bUndo;
}
void CFX_Edit::EnableOprNotify(bool bNotify) {
m_bOprNotify = bNotify;
}
CPVT_WordPlace CFX_Edit::DoInsertText(const CPVT_WordPlace& place,
const CFX_WideString& sText,
int32_t charset) {
CPVT_WordPlace wp = place;
if (m_pVT->IsValid()) {
for (int32_t i = 0, sz = sText.GetLength(); i < sz; i++) {
uint16_t word = sText[i];
switch (word) {
case 0x0D:
wp = m_pVT->InsertSection(wp, nullptr, nullptr);
if (sText[i + 1] == 0x0A)
i++;
break;
case 0x0A:
wp = m_pVT->InsertSection(wp, nullptr, nullptr);
if (sText[i + 1] == 0x0D)
i++;
break;
case 0x09:
word = 0x20;
default:
wp = m_pVT->InsertWord(wp, word, GetCharSetFromUnicode(word, charset),
nullptr);
break;
}
}
}
return wp;
}
int32_t CFX_Edit::GetCharSetFromUnicode(uint16_t word, int32_t nOldCharset) {
if (IPVT_FontMap* pFontMap = GetFontMap())
return pFontMap->CharSetFromUnicode(word, nOldCharset);
return nOldCharset;
}
void CFX_Edit::AddEditUndoItem(
std::unique_ptr<CFX_Edit_UndoItem> pEditUndoItem) {
if (m_pGroupUndoItem)
m_pGroupUndoItem->AddUndoItem(std::move(pEditUndoItem));
else
m_Undo.AddItem(std::move(pEditUndoItem));
}
CFX_Edit_LineRectArray::CFX_Edit_LineRectArray() {}
CFX_Edit_LineRectArray::~CFX_Edit_LineRectArray() {}
void CFX_Edit_LineRectArray::operator=(CFX_Edit_LineRectArray&& that) {
m_LineRects = std::move(that.m_LineRects);
}
void CFX_Edit_LineRectArray::Add(const CPVT_WordRange& wrLine,
const CFX_FloatRect& rcLine) {
m_LineRects.push_back(pdfium::MakeUnique<CFX_Edit_LineRect>(wrLine, rcLine));
}
int32_t CFX_Edit_LineRectArray::GetSize() const {
return pdfium::CollectionSize<int32_t>(m_LineRects);
}
CFX_Edit_LineRect* CFX_Edit_LineRectArray::GetAt(int32_t nIndex) const {
if (nIndex < 0 || nIndex >= GetSize())
return nullptr;
return m_LineRects[nIndex].get();
}
CFX_Edit_Select::CFX_Edit_Select() {}
CFX_Edit_Select::CFX_Edit_Select(const CPVT_WordPlace& begin,
const CPVT_WordPlace& end) {
Set(begin, end);
}
CFX_Edit_Select::CFX_Edit_Select(const CPVT_WordRange& range) {
Set(range.BeginPos, range.EndPos);
}
CPVT_WordRange CFX_Edit_Select::ConvertToWordRange() const {
return CPVT_WordRange(BeginPos, EndPos);
}
void CFX_Edit_Select::Default() {
BeginPos.Default();
EndPos.Default();
}
void CFX_Edit_Select::Set(const CPVT_WordPlace& begin,
const CPVT_WordPlace& end) {
BeginPos = begin;
EndPos = end;
}
void CFX_Edit_Select::SetBeginPos(const CPVT_WordPlace& begin) {
BeginPos = begin;
}
void CFX_Edit_Select::SetEndPos(const CPVT_WordPlace& end) {
EndPos = end;
}
bool CFX_Edit_Select::IsExist() const {
return BeginPos != EndPos;
}
CFX_Edit_RectArray::CFX_Edit_RectArray() {}
CFX_Edit_RectArray::~CFX_Edit_RectArray() {}
void CFX_Edit_RectArray::Clear() {
m_Rects.clear();
}
void CFX_Edit_RectArray::Add(const CFX_FloatRect& rect) {
// check for overlapped area
for (const auto& pRect : m_Rects) {
if (pRect && pRect->Contains(rect))
return;
}
m_Rects.push_back(pdfium::MakeUnique<CFX_FloatRect>(rect));
}
int32_t CFX_Edit_RectArray::GetSize() const {
return pdfium::CollectionSize<int32_t>(m_Rects);
}
CFX_FloatRect* CFX_Edit_RectArray::GetAt(int32_t nIndex) const {
if (nIndex < 0 || nIndex >= GetSize())
return nullptr;
return m_Rects[nIndex].get();
}