| // 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 "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h" |
| #include "core/fpdfapi/fpdf_page/include/cpdf_pageobjectholder.h" |
| #include "core/fpdfapi/fpdf_page/include/cpdf_pathobject.h" |
| #include "core/fpdfapi/fpdf_page/include/cpdf_textobject.h" |
| #include "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h" |
| #include "core/fpdfapi/fpdf_render/include/cpdf_textrenderer.h" |
| #include "core/fpdfdoc/include/cpvt_word.h" |
| #include "core/fpdfdoc/include/ipvt_fontmap.h" |
| #include "core/fxge/include/fx_ge.h" |
| #include "fpdfsdk/cfx_systemhandler.h" |
| #include "fpdfsdk/fxedit/include/fx_edit.h" |
| #include "fpdfsdk/fxedit/include/fxet_edit.h" |
| |
| namespace { |
| |
| void DrawTextString(CFX_RenderDevice* pDevice, |
| const CFX_FloatPoint& pt, |
| CPDF_Font* pFont, |
| FX_FLOAT fFontSize, |
| CFX_Matrix* pUser2Device, |
| const CFX_ByteString& str, |
| FX_ARGB crTextFill, |
| FX_ARGB crTextStroke, |
| int32_t nHorzScale) { |
| FX_FLOAT x = pt.x, y = pt.y; |
| pUser2Device->Transform(x, y); |
| |
| 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; |
| |
| if (crTextStroke != 0) { |
| CFX_FloatPoint pt1(0, 0), pt2(1, 0); |
| pUser2Device->Transform(pt1.x, pt1.y); |
| pUser2Device->Transform(pt2.x, pt2.y); |
| CFX_GraphStateData gsd; |
| gsd.m_LineWidth = |
| (FX_FLOAT)FXSYS_fabs((pt2.x + pt2.y) - (pt1.x + pt1.y)); |
| |
| CPDF_TextRenderer::DrawTextString(pDevice, x, y, pFont, fFontSize, &mt, |
| str, crTextFill, crTextStroke, &gsd, |
| &ro); |
| } else { |
| CPDF_TextRenderer::DrawTextString(pDevice, x, y, pFont, fFontSize, &mt, |
| str, crTextFill, 0, nullptr, &ro); |
| } |
| } else { |
| CPDF_RenderOptions ro; |
| ro.m_Flags = RENDER_CLEARTYPE; |
| ro.m_ColorMode = RENDER_COLOR_NORMAL; |
| |
| if (crTextStroke != 0) { |
| CFX_FloatPoint pt1(0, 0), pt2(1, 0); |
| pUser2Device->Transform(pt1.x, pt1.y); |
| pUser2Device->Transform(pt2.x, pt2.y); |
| CFX_GraphStateData gsd; |
| gsd.m_LineWidth = |
| (FX_FLOAT)FXSYS_fabs((pt2.x + pt2.y) - (pt1.x + pt1.y)); |
| |
| CPDF_TextRenderer::DrawTextString(pDevice, x, y, pFont, fFontSize, |
| pUser2Device, str, crTextFill, |
| crTextStroke, &gsd, &ro); |
| } else { |
| CPDF_TextRenderer::DrawTextString(pDevice, x, y, pFont, fFontSize, |
| pUser2Device, str, crTextFill, 0, |
| nullptr, &ro); |
| } |
| } |
| } |
| } |
| |
| CPDF_TextObject* AddTextObjToPageObjects(CPDF_PageObjectHolder* pObjectHolder, |
| FX_COLORREF crText, |
| CPDF_Font* pFont, |
| FX_FLOAT fFontSize, |
| FX_FLOAT fCharSpace, |
| int32_t nHorzScale, |
| const CFX_FloatPoint& point, |
| const CFX_ByteString& text) { |
| std::unique_ptr<CPDF_TextObject> pTxtObj(new CPDF_TextObject); |
| CPDF_TextStateData* pTextStateData = pTxtObj->m_TextState.GetModify(); |
| pTextStateData->m_pFont = pFont; |
| pTextStateData->m_FontSize = fFontSize; |
| pTextStateData->m_CharSpace = fCharSpace; |
| pTextStateData->m_WordSpace = 0; |
| pTextStateData->m_TextMode = TextRenderingMode::MODE_FILL; |
| pTextStateData->m_Matrix[0] = nHorzScale / 100.0f; |
| pTextStateData->m_Matrix[1] = 0; |
| pTextStateData->m_Matrix[2] = 0; |
| pTextStateData->m_Matrix[3] = 1; |
| |
| FX_FLOAT rgb[3]; |
| rgb[0] = FXARGB_R(crText) / 255.0f; |
| rgb[1] = FXARGB_G(crText) / 255.0f; |
| rgb[2] = FXARGB_B(crText) / 255.0f; |
| pTxtObj->m_ColorState.SetFillColor( |
| CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB), rgb, 3); |
| pTxtObj->m_ColorState.SetStrokeColor( |
| CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB), rgb, 3); |
| |
| pTxtObj->SetPosition(point.x, point.y); |
| pTxtObj->SetText(text); |
| |
| CPDF_TextObject* pRet = pTxtObj.get(); |
| pObjectHolder->GetPageObjectList()->push_back(std::move(pTxtObj)); |
| return pRet; |
| } |
| |
| } // namespace |
| |
| void IFX_Edit::DrawEdit(CFX_RenderDevice* pDevice, |
| CFX_Matrix* pUser2Device, |
| IFX_Edit* pEdit, |
| FX_COLORREF crTextFill, |
| FX_COLORREF crTextStroke, |
| const CFX_FloatRect& rcClip, |
| const CFX_FloatPoint& ptOffset, |
| const CPVT_WordRange* pRange, |
| CFX_SystemHandler* pSystemHandler, |
| void* 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; |
| |
| FX_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_FloatPoint ptBT(0.0f, 0.0f); |
| |
| pDevice->SaveState(); |
| |
| if (!rcClip.IsEmpty()) { |
| CFX_FloatRect rcTemp = rcClip; |
| pUser2Device->TransformRect(rcTemp); |
| pDevice->SetClip_Rect(rcTemp.ToFxRect()); |
| } |
| |
| IFX_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_FloatPoint(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y), |
| pFontMap->GetPDFFont(nFontIndex), fFontSize, pUser2Device, |
| sTextBuf.MakeString(), crOldFill, crTextStroke, nHorzScale); |
| |
| sTextBuf.Clear(); |
| } |
| nFontIndex = word.nFontIndex; |
| ptBT = word.ptWord; |
| crOldFill = crCurFill; |
| } |
| |
| sTextBuf << GetPDFWordString(pFontMap, word.nFontIndex, word.Word, |
| SubWord) |
| .AsStringC(); |
| } else { |
| DrawTextString( |
| pDevice, CFX_FloatPoint(word.ptWord.x + ptOffset.x, |
| word.ptWord.y + ptOffset.y), |
| pFontMap->GetPDFFont(word.nFontIndex), fFontSize, pUser2Device, |
| GetPDFWordString(pFontMap, word.nFontIndex, word.Word, SubWord), |
| crCurFill, crTextStroke, nHorzScale); |
| } |
| oldplace = place; |
| } |
| } |
| |
| if (sTextBuf.GetLength() > 0) { |
| DrawTextString( |
| pDevice, CFX_FloatPoint(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y), |
| pFontMap->GetPDFFont(nFontIndex), fFontSize, pUser2Device, |
| sTextBuf.MakeString(), crOldFill, crTextStroke, nHorzScale); |
| } |
| } |
| |
| pDevice->RestoreState(false); |
| } |
| |
| void IFX_Edit::GeneratePageObjects( |
| CPDF_PageObjectHolder* pObjectHolder, |
| IFX_Edit* pEdit, |
| const CFX_FloatPoint& ptOffset, |
| const CPVT_WordRange* pRange, |
| FX_COLORREF crText, |
| CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray) { |
| FX_FLOAT fFontSize = pEdit->GetFontSize(); |
| |
| int32_t nOldFontIndex = -1; |
| |
| CFX_ByteTextBuf sTextBuf; |
| CFX_FloatPoint ptBT(0.0f, 0.0f); |
| |
| ObjArray.RemoveAll(); |
| |
| IFX_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; |
| |
| CPVT_Word word; |
| if (pIterator->GetWord(word)) { |
| if (place.LineCmp(oldplace) != 0 || nOldFontIndex != word.nFontIndex) { |
| if (sTextBuf.GetLength() > 0) { |
| ObjArray.Add(AddTextObjToPageObjects( |
| pObjectHolder, crText, pFontMap->GetPDFFont(nOldFontIndex), |
| fFontSize, 0.0f, 100, |
| CFX_FloatPoint(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y), |
| sTextBuf.MakeString())); |
| |
| sTextBuf.Clear(); |
| } |
| |
| ptBT = word.ptWord; |
| nOldFontIndex = word.nFontIndex; |
| } |
| |
| sTextBuf << GetPDFWordString(pFontMap, word.nFontIndex, word.Word, 0) |
| .AsStringC(); |
| oldplace = place; |
| } |
| } |
| |
| if (sTextBuf.GetLength() > 0) { |
| ObjArray.Add(AddTextObjToPageObjects( |
| pObjectHolder, crText, pFontMap->GetPDFFont(nOldFontIndex), fFontSize, |
| 0.0f, 100, CFX_FloatPoint(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y), |
| sTextBuf.MakeString())); |
| } |
| } |
| } |
