| // Copyright 2016 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "core/fpdfdoc/cpvt_generateap.h" |
| |
| #include <algorithm> |
| #include <memory> |
| #include <sstream> |
| #include <utility> |
| |
| #include "core/fpdfapi/font/cpdf_font.h" |
| #include "core/fpdfapi/parser/cpdf_boolean.h" |
| #include "core/fpdfapi/parser/cpdf_dictionary.h" |
| #include "core/fpdfapi/parser/cpdf_document.h" |
| #include "core/fpdfapi/parser/cpdf_name.h" |
| #include "core/fpdfapi/parser/cpdf_number.h" |
| #include "core/fpdfapi/parser/cpdf_reference.h" |
| #include "core/fpdfapi/parser/cpdf_simple_parser.h" |
| #include "core/fpdfapi/parser/cpdf_stream.h" |
| #include "core/fpdfapi/parser/cpdf_string.h" |
| #include "core/fpdfapi/parser/fpdf_parser_decode.h" |
| #include "core/fpdfdoc/cpdf_annot.h" |
| #include "core/fpdfdoc/cpdf_formfield.h" |
| #include "core/fpdfdoc/cpvt_color.h" |
| #include "core/fpdfdoc/cpvt_fontmap.h" |
| #include "core/fpdfdoc/cpvt_word.h" |
| #include "third_party/base/ptr_util.h" |
| |
| namespace { |
| |
| bool GenerateWidgetAP(CPDF_Document* pDoc, |
| CPDF_Dictionary* pAnnotDict, |
| const int32_t& nWidgetType) { |
| CPDF_Dictionary* pFormDict = nullptr; |
| if (CPDF_Dictionary* pRootDict = pDoc->GetRoot()) |
| pFormDict = pRootDict->GetDictFor("AcroForm"); |
| if (!pFormDict) |
| return false; |
| |
| CFX_ByteString DA; |
| if (CPDF_Object* pDAObj = FPDF_GetFieldAttr(pAnnotDict, "DA")) |
| DA = pDAObj->GetString(); |
| if (DA.IsEmpty()) |
| DA = pFormDict->GetStringFor("DA"); |
| if (DA.IsEmpty()) |
| return false; |
| |
| CPDF_SimpleParser syntax(DA.AsStringC()); |
| syntax.FindTagParamFromStart("Tf", 2); |
| CFX_ByteString sFontName(syntax.GetWord()); |
| sFontName = PDF_NameDecode(sFontName); |
| if (sFontName.IsEmpty()) |
| return false; |
| |
| float fFontSize = FX_atof(syntax.GetWord()); |
| CPVT_Color crText = CPVT_Color::ParseColor(DA); |
| CPDF_Dictionary* pDRDict = pFormDict->GetDictFor("DR"); |
| if (!pDRDict) |
| return false; |
| |
| CPDF_Dictionary* pDRFontDict = pDRDict->GetDictFor("Font"); |
| if (!pDRFontDict) |
| return false; |
| |
| CPDF_Dictionary* pFontDict = |
| pDRFontDict->GetDictFor(sFontName.Right(sFontName.GetLength() - 1)); |
| if (!pFontDict) { |
| pFontDict = pDoc->NewIndirect<CPDF_Dictionary>(); |
| pFontDict->SetNewFor<CPDF_Name>("Type", "Font"); |
| pFontDict->SetNewFor<CPDF_Name>("Subtype", "Type1"); |
| pFontDict->SetNewFor<CPDF_Name>("BaseFont", "Helvetica"); |
| pFontDict->SetNewFor<CPDF_Name>("Encoding", "WinAnsiEncoding"); |
| pDRFontDict->SetNewFor<CPDF_Reference>( |
| sFontName.Right(sFontName.GetLength() - 1), pDoc, |
| pFontDict->GetObjNum()); |
| } |
| CPDF_Font* pDefFont = pDoc->LoadFont(pFontDict); |
| if (!pDefFont) |
| return false; |
| |
| CFX_FloatRect rcAnnot = pAnnotDict->GetRectFor("Rect"); |
| int32_t nRotate = 0; |
| if (CPDF_Dictionary* pMKDict = pAnnotDict->GetDictFor("MK")) |
| nRotate = pMKDict->GetIntegerFor("R"); |
| |
| CFX_FloatRect rcBBox; |
| CFX_Matrix matrix; |
| switch (nRotate % 360) { |
| case 0: |
| rcBBox = CFX_FloatRect(0, 0, rcAnnot.right - rcAnnot.left, |
| rcAnnot.top - rcAnnot.bottom); |
| break; |
| case 90: |
| matrix = CFX_Matrix(0, 1, -1, 0, rcAnnot.right - rcAnnot.left, 0); |
| rcBBox = CFX_FloatRect(0, 0, rcAnnot.top - rcAnnot.bottom, |
| rcAnnot.right - rcAnnot.left); |
| break; |
| case 180: |
| matrix = CFX_Matrix(-1, 0, 0, -1, rcAnnot.right - rcAnnot.left, |
| rcAnnot.top - rcAnnot.bottom); |
| rcBBox = CFX_FloatRect(0, 0, rcAnnot.right - rcAnnot.left, |
| rcAnnot.top - rcAnnot.bottom); |
| break; |
| case 270: |
| matrix = CFX_Matrix(0, -1, 1, 0, 0, rcAnnot.top - rcAnnot.bottom); |
| rcBBox = CFX_FloatRect(0, 0, rcAnnot.top - rcAnnot.bottom, |
| rcAnnot.right - rcAnnot.left); |
| break; |
| } |
| |
| BorderStyle nBorderStyle = BorderStyle::SOLID; |
| float fBorderWidth = 1; |
| CPVT_Dash dsBorder(3, 0, 0); |
| CPVT_Color crLeftTop, crRightBottom; |
| if (CPDF_Dictionary* pBSDict = pAnnotDict->GetDictFor("BS")) { |
| if (pBSDict->KeyExist("W")) |
| fBorderWidth = pBSDict->GetNumberFor("W"); |
| |
| if (CPDF_Array* pArray = pBSDict->GetArrayFor("D")) { |
| dsBorder = CPVT_Dash(pArray->GetIntegerAt(0), pArray->GetIntegerAt(1), |
| pArray->GetIntegerAt(2)); |
| } |
| switch (pBSDict->GetStringFor("S").GetAt(0)) { |
| case 'S': |
| nBorderStyle = BorderStyle::SOLID; |
| break; |
| case 'D': |
| nBorderStyle = BorderStyle::DASH; |
| break; |
| case 'B': |
| nBorderStyle = BorderStyle::BEVELED; |
| fBorderWidth *= 2; |
| crLeftTop = CPVT_Color(CPVT_Color::kGray, 1); |
| crRightBottom = CPVT_Color(CPVT_Color::kGray, 0.5); |
| break; |
| case 'I': |
| nBorderStyle = BorderStyle::INSET; |
| fBorderWidth *= 2; |
| crLeftTop = CPVT_Color(CPVT_Color::kGray, 0.5); |
| crRightBottom = CPVT_Color(CPVT_Color::kGray, 0.75); |
| break; |
| case 'U': |
| nBorderStyle = BorderStyle::UNDERLINE; |
| break; |
| } |
| } |
| CPVT_Color crBorder, crBG; |
| if (CPDF_Dictionary* pMKDict = pAnnotDict->GetDictFor("MK")) { |
| if (CPDF_Array* pArray = pMKDict->GetArrayFor("BC")) |
| crBorder = CPVT_Color::ParseColor(*pArray); |
| if (CPDF_Array* pArray = pMKDict->GetArrayFor("BG")) |
| crBG = CPVT_Color::ParseColor(*pArray); |
| } |
| std::ostringstream sAppStream; |
| CFX_ByteString sBG = |
| CPVT_GenerateAP::GenerateColorAP(crBG, PaintOperation::FILL); |
| if (sBG.GetLength() > 0) { |
| sAppStream << "q\n" << sBG << rcBBox.left << " " << rcBBox.bottom << " " |
| << rcBBox.Width() << " " << rcBBox.Height() << " re f\n" |
| << "Q\n"; |
| } |
| CFX_ByteString sBorderStream = CPVT_GenerateAP::GenerateBorderAP( |
| rcBBox, fBorderWidth, crBorder, crLeftTop, crRightBottom, nBorderStyle, |
| dsBorder); |
| if (sBorderStream.GetLength() > 0) |
| sAppStream << "q\n" << sBorderStream << "Q\n"; |
| |
| CFX_FloatRect rcBody = |
| CFX_FloatRect(rcBBox.left + fBorderWidth, rcBBox.bottom + fBorderWidth, |
| rcBBox.right - fBorderWidth, rcBBox.top - fBorderWidth); |
| rcBody.Normalize(); |
| |
| CPDF_Dictionary* pAPDict = pAnnotDict->GetDictFor("AP"); |
| if (!pAPDict) |
| pAPDict = pAnnotDict->SetNewFor<CPDF_Dictionary>("AP"); |
| |
| CPDF_Stream* pNormalStream = pAPDict->GetStreamFor("N"); |
| if (!pNormalStream) { |
| pNormalStream = pDoc->NewIndirect<CPDF_Stream>(); |
| pAPDict->SetNewFor<CPDF_Reference>("N", pDoc, pNormalStream->GetObjNum()); |
| } |
| CPDF_Dictionary* pStreamDict = pNormalStream->GetDict(); |
| if (pStreamDict) { |
| pStreamDict->SetMatrixFor("Matrix", matrix); |
| pStreamDict->SetRectFor("BBox", rcBBox); |
| CPDF_Dictionary* pStreamResList = pStreamDict->GetDictFor("Resources"); |
| if (pStreamResList) { |
| CPDF_Dictionary* pStreamResFontList = pStreamResList->GetDictFor("Font"); |
| if (!pStreamResFontList) |
| pStreamResFontList = pStreamResList->SetNewFor<CPDF_Dictionary>("Font"); |
| if (!pStreamResFontList->KeyExist(sFontName)) { |
| pStreamResFontList->SetNewFor<CPDF_Reference>(sFontName, pDoc, |
| pFontDict->GetObjNum()); |
| } |
| } else { |
| pStreamDict->SetFor("Resources", pFormDict->GetDictFor("DR")->Clone()); |
| pStreamResList = pStreamDict->GetDictFor("Resources"); |
| } |
| } |
| switch (nWidgetType) { |
| case 0: { |
| CFX_WideString swValue = |
| FPDF_GetFieldAttr(pAnnotDict, "V") |
| ? FPDF_GetFieldAttr(pAnnotDict, "V")->GetUnicodeText() |
| : CFX_WideString(); |
| int32_t nAlign = FPDF_GetFieldAttr(pAnnotDict, "Q") |
| ? FPDF_GetFieldAttr(pAnnotDict, "Q")->GetInteger() |
| : 0; |
| uint32_t dwFlags = FPDF_GetFieldAttr(pAnnotDict, "Ff") |
| ? FPDF_GetFieldAttr(pAnnotDict, "Ff")->GetInteger() |
| : 0; |
| uint32_t dwMaxLen = |
| FPDF_GetFieldAttr(pAnnotDict, "MaxLen") |
| ? FPDF_GetFieldAttr(pAnnotDict, "MaxLen")->GetInteger() |
| : 0; |
| CPVT_FontMap map( |
| pDoc, pStreamDict ? pStreamDict->GetDictFor("Resources") : nullptr, |
| pDefFont, sFontName.Right(sFontName.GetLength() - 1)); |
| CPDF_VariableText::Provider prd(&map); |
| CPDF_VariableText vt; |
| vt.SetProvider(&prd); |
| vt.SetPlateRect(rcBody); |
| vt.SetAlignment(nAlign); |
| if (IsFloatZero(fFontSize)) |
| vt.SetAutoFontSize(true); |
| else |
| vt.SetFontSize(fFontSize); |
| |
| bool bMultiLine = (dwFlags >> 12) & 1; |
| if (bMultiLine) { |
| vt.SetMultiLine(true); |
| vt.SetAutoReturn(true); |
| } |
| uint16_t subWord = 0; |
| if ((dwFlags >> 13) & 1) { |
| subWord = '*'; |
| vt.SetPasswordChar(subWord); |
| } |
| bool bCharArray = (dwFlags >> 24) & 1; |
| if (bCharArray) |
| vt.SetCharArray(dwMaxLen); |
| else |
| vt.SetLimitChar(dwMaxLen); |
| |
| vt.Initialize(); |
| vt.SetText(swValue); |
| vt.RearrangeAll(); |
| CFX_FloatRect rcContent = vt.GetContentRect(); |
| CFX_PointF ptOffset; |
| if (!bMultiLine) { |
| ptOffset = |
| CFX_PointF(0.0f, (rcContent.Height() - rcBody.Height()) / 2.0f); |
| } |
| CFX_ByteString sBody = CPVT_GenerateAP::GenerateEditAP( |
| &map, vt.GetIterator(), ptOffset, !bCharArray, subWord); |
| if (sBody.GetLength() > 0) { |
| sAppStream << "/Tx BMC\n" |
| << "q\n"; |
| if (rcContent.Width() > rcBody.Width() || |
| rcContent.Height() > rcBody.Height()) { |
| sAppStream << rcBody.left << " " << rcBody.bottom << " " |
| << rcBody.Width() << " " << rcBody.Height() |
| << " re\nW\nn\n"; |
| } |
| sAppStream << "BT\n" |
| << CPVT_GenerateAP::GenerateColorAP(crText, |
| PaintOperation::FILL) |
| << sBody << "ET\n" |
| << "Q\nEMC\n"; |
| } |
| } break; |
| case 1: { |
| CFX_WideString swValue = |
| FPDF_GetFieldAttr(pAnnotDict, "V") |
| ? FPDF_GetFieldAttr(pAnnotDict, "V")->GetUnicodeText() |
| : CFX_WideString(); |
| CPVT_FontMap map( |
| pDoc, pStreamDict ? pStreamDict->GetDictFor("Resources") : nullptr, |
| pDefFont, sFontName.Right(sFontName.GetLength() - 1)); |
| CPDF_VariableText::Provider prd(&map); |
| CPDF_VariableText vt; |
| vt.SetProvider(&prd); |
| CFX_FloatRect rcButton = rcBody; |
| rcButton.left = rcButton.right - 13; |
| rcButton.Normalize(); |
| CFX_FloatRect rcEdit = rcBody; |
| rcEdit.right = rcButton.left; |
| rcEdit.Normalize(); |
| vt.SetPlateRect(rcEdit); |
| if (IsFloatZero(fFontSize)) |
| vt.SetAutoFontSize(true); |
| else |
| vt.SetFontSize(fFontSize); |
| |
| vt.Initialize(); |
| vt.SetText(swValue); |
| vt.RearrangeAll(); |
| CFX_FloatRect rcContent = vt.GetContentRect(); |
| CFX_PointF ptOffset = |
| CFX_PointF(0.0f, (rcContent.Height() - rcEdit.Height()) / 2.0f); |
| CFX_ByteString sEdit = CPVT_GenerateAP::GenerateEditAP( |
| &map, vt.GetIterator(), ptOffset, true, 0); |
| if (sEdit.GetLength() > 0) { |
| sAppStream << "/Tx BMC\n" |
| << "q\n"; |
| sAppStream << rcEdit.left << " " << rcEdit.bottom << " " |
| << rcEdit.Width() << " " << rcEdit.Height() << " re\nW\nn\n"; |
| sAppStream << "BT\n" |
| << CPVT_GenerateAP::GenerateColorAP(crText, |
| PaintOperation::FILL) |
| << sEdit << "ET\n" |
| << "Q\nEMC\n"; |
| } |
| CFX_ByteString sButton = CPVT_GenerateAP::GenerateColorAP( |
| CPVT_Color(CPVT_Color::kRGB, 220.0f / 255.0f, 220.0f / 255.0f, |
| 220.0f / 255.0f), |
| PaintOperation::FILL); |
| if (sButton.GetLength() > 0 && !rcButton.IsEmpty()) { |
| sAppStream << "q\n" << sButton; |
| sAppStream << rcButton.left << " " << rcButton.bottom << " " |
| << rcButton.Width() << " " << rcButton.Height() << " re f\n"; |
| sAppStream << "Q\n"; |
| CFX_ByteString sButtonBorder = CPVT_GenerateAP::GenerateBorderAP( |
| rcButton, 2, CPVT_Color(CPVT_Color::kGray, 0), |
| CPVT_Color(CPVT_Color::kGray, 1), |
| CPVT_Color(CPVT_Color::kGray, 0.5), BorderStyle::BEVELED, |
| CPVT_Dash(3, 0, 0)); |
| if (sButtonBorder.GetLength() > 0) |
| sAppStream << "q\n" << sButtonBorder << "Q\n"; |
| |
| CFX_PointF ptCenter = CFX_PointF((rcButton.left + rcButton.right) / 2, |
| (rcButton.top + rcButton.bottom) / 2); |
| if (IsFloatBigger(rcButton.Width(), 6) && |
| IsFloatBigger(rcButton.Height(), 6)) { |
| sAppStream << "q\n" |
| << " 0 g\n"; |
| sAppStream << ptCenter.x - 3 << " " << ptCenter.y + 1.5f << " m\n"; |
| sAppStream << ptCenter.x + 3 << " " << ptCenter.y + 1.5f << " l\n"; |
| sAppStream << ptCenter.x << " " << ptCenter.y - 1.5f << " l\n"; |
| sAppStream << ptCenter.x - 3 << " " << ptCenter.y + 1.5f << " l f\n"; |
| sAppStream << sButton << "Q\n"; |
| } |
| } |
| } break; |
| case 2: { |
| CPVT_FontMap map( |
| pDoc, pStreamDict ? pStreamDict->GetDictFor("Resources") : nullptr, |
| pDefFont, sFontName.Right(sFontName.GetLength() - 1)); |
| CPDF_VariableText::Provider prd(&map); |
| CPDF_Array* pOpts = ToArray(FPDF_GetFieldAttr(pAnnotDict, "Opt")); |
| CPDF_Array* pSels = ToArray(FPDF_GetFieldAttr(pAnnotDict, "I")); |
| CPDF_Object* pTi = FPDF_GetFieldAttr(pAnnotDict, "TI"); |
| int32_t nTop = pTi ? pTi->GetInteger() : 0; |
| std::ostringstream sBody; |
| if (pOpts) { |
| float fy = rcBody.top; |
| for (size_t i = nTop, sz = pOpts->GetCount(); i < sz; i++) { |
| if (IsFloatSmaller(fy, rcBody.bottom)) |
| break; |
| |
| if (CPDF_Object* pOpt = pOpts->GetDirectObjectAt(i)) { |
| CFX_WideString swItem; |
| if (pOpt->IsString()) |
| swItem = pOpt->GetUnicodeText(); |
| else if (CPDF_Array* pArray = pOpt->AsArray()) |
| swItem = pArray->GetDirectObjectAt(1)->GetUnicodeText(); |
| |
| bool bSelected = false; |
| if (pSels) { |
| for (size_t s = 0, ssz = pSels->GetCount(); s < ssz; s++) { |
| int value = pSels->GetIntegerAt(s); |
| if (value >= 0 && i == static_cast<size_t>(value)) { |
| bSelected = true; |
| break; |
| } |
| } |
| } |
| CPDF_VariableText vt; |
| vt.SetProvider(&prd); |
| vt.SetPlateRect( |
| CFX_FloatRect(rcBody.left, 0.0f, rcBody.right, 0.0f)); |
| vt.SetFontSize(IsFloatZero(fFontSize) ? 12.0f : fFontSize); |
| |
| vt.Initialize(); |
| vt.SetText(swItem); |
| vt.RearrangeAll(); |
| float fItemHeight = vt.GetContentRect().Height(); |
| if (bSelected) { |
| CFX_FloatRect rcItem = CFX_FloatRect( |
| rcBody.left, fy - fItemHeight, rcBody.right, fy); |
| sBody << "q\n" |
| << CPVT_GenerateAP::GenerateColorAP( |
| CPVT_Color(CPVT_Color::kRGB, 0, 51.0f / 255.0f, |
| 113.0f / 255.0f), |
| PaintOperation::FILL) |
| << rcItem.left << " " << rcItem.bottom << " " |
| << rcItem.Width() << " " << rcItem.Height() << " re f\n" |
| << "Q\n"; |
| sBody << "BT\n" |
| << CPVT_GenerateAP::GenerateColorAP( |
| CPVT_Color(CPVT_Color::kGray, 1), |
| PaintOperation::FILL) |
| << CPVT_GenerateAP::GenerateEditAP(&map, vt.GetIterator(), |
| CFX_PointF(0.0f, fy), |
| true, 0) |
| << "ET\n"; |
| } else { |
| sBody << "BT\n" |
| << CPVT_GenerateAP::GenerateColorAP(crText, |
| PaintOperation::FILL) |
| << CPVT_GenerateAP::GenerateEditAP(&map, vt.GetIterator(), |
| CFX_PointF(0.0f, fy), |
| true, 0) |
| << "ET\n"; |
| } |
| fy -= fItemHeight; |
| } |
| } |
| } |
| if (sBody.tellp() > 0) { |
| sAppStream << "/Tx BMC\nq\n" |
| << rcBody.left << " " << rcBody.bottom << " " |
| << rcBody.Width() << " " << rcBody.Height() << " re\nW\nn\n" |
| << sBody.str() << "Q\nEMC\n"; |
| } |
| } break; |
| } |
| if (pNormalStream) { |
| pNormalStream->SetDataAndRemoveFilter(&sAppStream); |
| pStreamDict = pNormalStream->GetDict(); |
| if (pStreamDict) { |
| pStreamDict->SetMatrixFor("Matrix", matrix); |
| pStreamDict->SetRectFor("BBox", rcBBox); |
| CPDF_Dictionary* pStreamResList = pStreamDict->GetDictFor("Resources"); |
| if (pStreamResList) { |
| CPDF_Dictionary* pStreamResFontList = |
| pStreamResList->GetDictFor("Font"); |
| if (!pStreamResFontList) { |
| pStreamResFontList = |
| pStreamResList->SetNewFor<CPDF_Dictionary>("Font"); |
| } |
| if (!pStreamResFontList->KeyExist(sFontName)) { |
| pStreamResFontList->SetNewFor<CPDF_Reference>(sFontName, pDoc, |
| pFontDict->GetObjNum()); |
| } |
| } else { |
| pStreamDict->SetFor("Resources", pFormDict->GetDictFor("DR")->Clone()); |
| pStreamResList = pStreamDict->GetDictFor("Resources"); |
| } |
| } |
| } |
| return true; |
| } |
| |
| CFX_ByteString GetColorStringWithDefault(CPDF_Array* pColor, |
| const CPVT_Color& crDefaultColor, |
| PaintOperation nOperation) { |
| if (pColor) { |
| CPVT_Color color = CPVT_Color::ParseColor(*pColor); |
| return CPVT_GenerateAP::GenerateColorAP(color, nOperation); |
| } |
| |
| return CPVT_GenerateAP::GenerateColorAP(crDefaultColor, nOperation); |
| } |
| |
| float GetBorderWidth(const CPDF_Dictionary& pAnnotDict) { |
| if (CPDF_Dictionary* pBorderStyleDict = pAnnotDict.GetDictFor("BS")) { |
| if (pBorderStyleDict->KeyExist("W")) |
| return pBorderStyleDict->GetNumberFor("W"); |
| } |
| |
| if (CPDF_Array* pBorderArray = pAnnotDict.GetArrayFor("Border")) { |
| if (pBorderArray->GetCount() > 2) |
| return pBorderArray->GetNumberAt(2); |
| } |
| |
| return 1; |
| } |
| |
| CPDF_Array* GetDashArray(const CPDF_Dictionary& pAnnotDict) { |
| if (CPDF_Dictionary* pBorderStyleDict = pAnnotDict.GetDictFor("BS")) { |
| if (pBorderStyleDict->GetStringFor("S") == "D") |
| return pBorderStyleDict->GetArrayFor("D"); |
| } |
| |
| if (CPDF_Array* pBorderArray = pAnnotDict.GetArrayFor("Border")) { |
| if (pBorderArray->GetCount() == 4) |
| return pBorderArray->GetArrayAt(3); |
| } |
| |
| return nullptr; |
| } |
| |
| CFX_ByteString GetDashPatternString(const CPDF_Dictionary& pAnnotDict) { |
| CPDF_Array* pDashArray = GetDashArray(pAnnotDict); |
| if (!pDashArray || pDashArray->IsEmpty()) |
| return CFX_ByteString(); |
| |
| // Support maximum of ten elements in the dash array. |
| size_t pDashArrayCount = std::min<size_t>(pDashArray->GetCount(), 10); |
| std::ostringstream sDashStream; |
| |
| sDashStream << "["; |
| for (size_t i = 0; i < pDashArrayCount; ++i) |
| sDashStream << pDashArray->GetNumberAt(i) << " "; |
| sDashStream << "] 0 d\n"; |
| |
| return CFX_ByteString(sDashStream); |
| } |
| |
| CFX_ByteString GetPopupContentsString(CPDF_Document* pDoc, |
| const CPDF_Dictionary& pAnnotDict, |
| CPDF_Font* pDefFont, |
| const CFX_ByteString& sFontName) { |
| CFX_WideString swValue(pAnnotDict.GetUnicodeTextFor("T")); |
| swValue += L'\n'; |
| swValue += pAnnotDict.GetUnicodeTextFor("Contents"); |
| CPVT_FontMap map(pDoc, nullptr, pDefFont, sFontName); |
| |
| CPDF_VariableText::Provider prd(&map); |
| CPDF_VariableText vt; |
| vt.SetProvider(&prd); |
| vt.SetPlateRect(pAnnotDict.GetRectFor("Rect")); |
| vt.SetFontSize(12); |
| vt.SetAutoReturn(true); |
| vt.SetMultiLine(true); |
| |
| vt.Initialize(); |
| vt.SetText(swValue); |
| vt.RearrangeAll(); |
| CFX_PointF ptOffset(3.0f, -3.0f); |
| CFX_ByteString sContent = CPVT_GenerateAP::GenerateEditAP( |
| &map, vt.GetIterator(), ptOffset, false, 0); |
| |
| if (sContent.IsEmpty()) |
| return CFX_ByteString(); |
| |
| std::ostringstream sAppStream; |
| sAppStream << "BT\n" |
| << CPVT_GenerateAP::GenerateColorAP( |
| CPVT_Color(CPVT_Color::kRGB, 0, 0, 0), PaintOperation::FILL) |
| << sContent << "ET\n" |
| << "Q\n"; |
| return CFX_ByteString(sAppStream); |
| } |
| |
| std::unique_ptr<CPDF_Dictionary> GenerateResourceFontDict( |
| CPDF_Document* pDoc, |
| const CFX_ByteString& sFontDictName) { |
| CPDF_Dictionary* pFontDict = pDoc->NewIndirect<CPDF_Dictionary>(); |
| pFontDict->SetNewFor<CPDF_Name>("Type", "Font"); |
| pFontDict->SetNewFor<CPDF_Name>("Subtype", "Type1"); |
| pFontDict->SetNewFor<CPDF_Name>("BaseFont", "Helvetica"); |
| pFontDict->SetNewFor<CPDF_Name>("Encoding", "WinAnsiEncoding"); |
| |
| auto pResourceFontDict = |
| pdfium::MakeUnique<CPDF_Dictionary>(pDoc->GetByteStringPool()); |
| pResourceFontDict->SetNewFor<CPDF_Reference>(sFontDictName, pDoc, |
| pFontDict->GetObjNum()); |
| return pResourceFontDict; |
| } |
| |
| CFX_ByteString GetPaintOperatorString(bool bIsStrokeRect, bool bIsFillRect) { |
| if (bIsStrokeRect) |
| return bIsFillRect ? "b" : "s"; |
| return bIsFillRect ? "f" : "n"; |
| } |
| |
| CFX_ByteString GenerateTextSymbolAP(const CFX_FloatRect& rect) { |
| std::ostringstream sAppStream; |
| sAppStream << CPVT_GenerateAP::GenerateColorAP( |
| CPVT_Color(CPVT_Color::kRGB, 1, 1, 0), PaintOperation::FILL); |
| sAppStream << CPVT_GenerateAP::GenerateColorAP( |
| CPVT_Color(CPVT_Color::kRGB, 0, 0, 0), PaintOperation::STROKE); |
| |
| const float fBorderWidth = 1; |
| sAppStream << fBorderWidth << " w\n"; |
| |
| const float fHalfWidth = fBorderWidth / 2; |
| const float fTipDelta = 4; |
| |
| CFX_FloatRect outerRect1 = rect; |
| outerRect1.Deflate(fHalfWidth, fHalfWidth); |
| outerRect1.bottom += fTipDelta; |
| |
| CFX_FloatRect outerRect2 = outerRect1; |
| outerRect2.left += fTipDelta; |
| outerRect2.right = outerRect2.left + fTipDelta; |
| outerRect2.top = outerRect2.bottom - fTipDelta; |
| float outerRect2Middle = (outerRect2.left + outerRect2.right) / 2; |
| |
| // Draw outer boxes. |
| sAppStream << outerRect1.left << " " << outerRect1.bottom << " m\n" |
| << outerRect1.left << " " << outerRect1.top << " l\n" |
| << outerRect1.right << " " << outerRect1.top << " l\n" |
| << outerRect1.right << " " << outerRect1.bottom << " l\n" |
| << outerRect2.right << " " << outerRect2.bottom << " l\n" |
| << outerRect2Middle << " " << outerRect2.top << " l\n" |
| << outerRect2.left << " " << outerRect2.bottom << " l\n" |
| << outerRect1.left << " " << outerRect1.bottom << " l\n"; |
| |
| // Draw inner lines. |
| CFX_FloatRect lineRect = outerRect1; |
| const float fXDelta = 2; |
| const float fYDelta = (lineRect.top - lineRect.bottom) / 4; |
| |
| lineRect.left += fXDelta; |
| lineRect.right -= fXDelta; |
| for (int i = 0; i < 3; ++i) { |
| lineRect.top -= fYDelta; |
| sAppStream << lineRect.left << " " << lineRect.top << " m\n" |
| << lineRect.right << " " << lineRect.top << " l\n"; |
| } |
| sAppStream << "B*\n"; |
| |
| return CFX_ByteString(sAppStream); |
| } |
| |
| } // namespace |
| |
| bool FPDF_GenerateAP(CPDF_Document* pDoc, CPDF_Dictionary* pAnnotDict) { |
| if (!pAnnotDict || pAnnotDict->GetStringFor("Subtype") != "Widget") |
| return false; |
| |
| CPDF_Object* pFieldTypeObj = FPDF_GetFieldAttr(pAnnotDict, "FT"); |
| if (!pFieldTypeObj) |
| return false; |
| |
| CFX_ByteString field_type = pFieldTypeObj->GetString(); |
| if (field_type == "Tx") |
| return CPVT_GenerateAP::GenerateTextFieldAP(pDoc, pAnnotDict); |
| |
| CPDF_Object* pFieldFlagsObj = FPDF_GetFieldAttr(pAnnotDict, "Ff"); |
| uint32_t flags = pFieldFlagsObj ? pFieldFlagsObj->GetInteger() : 0; |
| if (field_type == "Ch") { |
| return (flags & (1 << 17)) |
| ? CPVT_GenerateAP::GenerateComboBoxAP(pDoc, pAnnotDict) |
| : CPVT_GenerateAP::GenerateListBoxAP(pDoc, pAnnotDict); |
| } |
| |
| if (field_type == "Btn") { |
| if (!(flags & (1 << 16))) { |
| if (!pAnnotDict->KeyExist("AS")) { |
| if (CPDF_Dictionary* pParentDict = pAnnotDict->GetDictFor("Parent")) { |
| if (pParentDict->KeyExist("AS")) { |
| pAnnotDict->SetNewFor<CPDF_String>( |
| "AS", pParentDict->GetStringFor("AS"), false); |
| } |
| } |
| } |
| } |
| } |
| |
| return false; |
| } |
| |
| // Static. |
| bool CPVT_GenerateAP::GenerateComboBoxAP(CPDF_Document* pDoc, |
| CPDF_Dictionary* pAnnotDict) { |
| return GenerateWidgetAP(pDoc, pAnnotDict, 1); |
| } |
| |
| // Static. |
| bool CPVT_GenerateAP::GenerateListBoxAP(CPDF_Document* pDoc, |
| CPDF_Dictionary* pAnnotDict) { |
| return GenerateWidgetAP(pDoc, pAnnotDict, 2); |
| } |
| |
| // Static. |
| bool CPVT_GenerateAP::GenerateTextFieldAP(CPDF_Document* pDoc, |
| CPDF_Dictionary* pAnnotDict) { |
| return GenerateWidgetAP(pDoc, pAnnotDict, 0); |
| } |
| |
| bool CPVT_GenerateAP::GenerateCircleAP(CPDF_Document* pDoc, |
| CPDF_Dictionary* pAnnotDict) { |
| std::ostringstream sAppStream; |
| CFX_ByteString sExtGSDictName = "GS"; |
| sAppStream << "/" << sExtGSDictName << " gs "; |
| |
| CPDF_Array* pInteriorColor = pAnnotDict->GetArrayFor("IC"); |
| sAppStream << GetColorStringWithDefault(pInteriorColor, |
| CPVT_Color(CPVT_Color::kTransparent), |
| PaintOperation::FILL); |
| |
| sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayFor("C"), |
| CPVT_Color(CPVT_Color::kRGB, 0, 0, 0), |
| PaintOperation::STROKE); |
| |
| float fBorderWidth = GetBorderWidth(*pAnnotDict); |
| bool bIsStrokeRect = fBorderWidth > 0; |
| |
| if (bIsStrokeRect) { |
| sAppStream << fBorderWidth << " w "; |
| sAppStream << GetDashPatternString(*pAnnotDict); |
| } |
| |
| CFX_FloatRect rect = pAnnotDict->GetRectFor("Rect"); |
| rect.Normalize(); |
| |
| if (bIsStrokeRect) { |
| // Deflating rect because stroking a path entails painting all points whose |
| // perpendicular distance from the path in user space is less than or equal |
| // to half the line width. |
| rect.Deflate(fBorderWidth / 2, fBorderWidth / 2); |
| } |
| |
| const float fMiddleX = (rect.left + rect.right) / 2; |
| const float fMiddleY = (rect.top + rect.bottom) / 2; |
| |
| // |fL| is precalculated approximate value of 4 * tan((3.14 / 2) / 4) / 3, |
| // where |fL| * radius is a good approximation of control points for |
| // arc with 90 degrees. |
| const float fL = 0.5523f; |
| const float fDeltaX = fL * rect.Width() / 2.0; |
| const float fDeltaY = fL * rect.Height() / 2.0; |
| |
| // Starting point |
| sAppStream << fMiddleX << " " << rect.top << " m\n"; |
| // First Bezier Curve |
| sAppStream << fMiddleX + fDeltaX << " " << rect.top << " " << rect.right |
| << " " << fMiddleY + fDeltaY << " " << rect.right << " " |
| << fMiddleY << " c\n"; |
| // Second Bezier Curve |
| sAppStream << rect.right << " " << fMiddleY - fDeltaY << " " |
| << fMiddleX + fDeltaX << " " << rect.bottom << " " << fMiddleX |
| << " " << rect.bottom << " c\n"; |
| // Third Bezier Curve |
| sAppStream << fMiddleX - fDeltaX << " " << rect.bottom << " " << rect.left |
| << " " << fMiddleY - fDeltaY << " " << rect.left << " " << fMiddleY |
| << " c\n"; |
| // Fourth Bezier Curve |
| sAppStream << rect.left << " " << fMiddleY + fDeltaY << " " |
| << fMiddleX - fDeltaX << " " << rect.top << " " << fMiddleX << " " |
| << rect.top << " c\n"; |
| |
| bool bIsFillRect = pInteriorColor && !pInteriorColor->IsEmpty(); |
| sAppStream << GetPaintOperatorString(bIsStrokeRect, bIsFillRect) << "\n"; |
| |
| auto pExtGStateDict = |
| GenerateExtGStateDict(*pAnnotDict, sExtGSDictName, "Normal"); |
| auto pResourceDict = |
| GenerateResourceDict(pDoc, std::move(pExtGStateDict), nullptr); |
| GenerateAndSetAPDict(pDoc, pAnnotDict, &sAppStream, std::move(pResourceDict), |
| false /*IsTextMarkupAnnotation*/); |
| return true; |
| } |
| |
| bool CPVT_GenerateAP::GenerateHighlightAP(CPDF_Document* pDoc, |
| CPDF_Dictionary* pAnnotDict) { |
| std::ostringstream sAppStream; |
| CFX_ByteString sExtGSDictName = "GS"; |
| sAppStream << "/" << sExtGSDictName << " gs "; |
| |
| sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayFor("C"), |
| CPVT_Color(CPVT_Color::kRGB, 1, 1, 0), |
| PaintOperation::FILL); |
| |
| CFX_FloatRect rect = CPDF_Annot::RectFromQuadPoints(pAnnotDict); |
| rect.Normalize(); |
| |
| sAppStream << rect.left << " " << rect.top << " m " << rect.right << " " |
| << rect.top << " l " << rect.right << " " << rect.bottom << " l " |
| << rect.left << " " << rect.bottom << " l " |
| << "h f\n"; |
| |
| auto pExtGStateDict = |
| GenerateExtGStateDict(*pAnnotDict, sExtGSDictName, "Multiply"); |
| auto pResourceDict = |
| GenerateResourceDict(pDoc, std::move(pExtGStateDict), nullptr); |
| GenerateAndSetAPDict(pDoc, pAnnotDict, &sAppStream, std::move(pResourceDict), |
| true /*IsTextMarkupAnnotation*/); |
| |
| return true; |
| } |
| |
| bool CPVT_GenerateAP::GenerateInkAP(CPDF_Document* pDoc, |
| CPDF_Dictionary* pAnnotDict) { |
| float fBorderWidth = GetBorderWidth(*pAnnotDict); |
| bool bIsStroke = fBorderWidth > 0; |
| |
| if (!bIsStroke) |
| return false; |
| |
| CPDF_Array* pInkList = pAnnotDict->GetArrayFor("InkList"); |
| if (!pInkList || pInkList->IsEmpty()) |
| return false; |
| |
| std::ostringstream sAppStream; |
| CFX_ByteString sExtGSDictName = "GS"; |
| sAppStream << "/" << sExtGSDictName << " gs "; |
| |
| sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayFor("C"), |
| CPVT_Color(CPVT_Color::kRGB, 0, 0, 0), |
| PaintOperation::STROKE); |
| |
| sAppStream << fBorderWidth << " w "; |
| sAppStream << GetDashPatternString(*pAnnotDict); |
| |
| // Set inflated rect as a new rect because paths near the border with large |
| // width should not be clipped to the original rect. |
| CFX_FloatRect rect = pAnnotDict->GetRectFor("Rect"); |
| rect.Inflate(fBorderWidth / 2, fBorderWidth / 2); |
| pAnnotDict->SetRectFor("Rect", rect); |
| |
| for (size_t i = 0; i < pInkList->GetCount(); i++) { |
| CPDF_Array* pInkCoordList = pInkList->GetArrayAt(i); |
| if (!pInkCoordList || pInkCoordList->GetCount() < 2) |
| continue; |
| |
| sAppStream << pInkCoordList->GetNumberAt(0) << " " |
| << pInkCoordList->GetNumberAt(1) << " m "; |
| |
| for (size_t j = 0; j < pInkCoordList->GetCount() - 1; j += 2) { |
| sAppStream << pInkCoordList->GetNumberAt(j) << " " |
| << pInkCoordList->GetNumberAt(j + 1) << " l "; |
| } |
| |
| sAppStream << "S\n"; |
| } |
| |
| auto pExtGStateDict = |
| GenerateExtGStateDict(*pAnnotDict, sExtGSDictName, "Normal"); |
| auto pResourceDict = |
| GenerateResourceDict(pDoc, std::move(pExtGStateDict), nullptr); |
| GenerateAndSetAPDict(pDoc, pAnnotDict, &sAppStream, std::move(pResourceDict), |
| false /*IsTextMarkupAnnotation*/); |
| return true; |
| } |
| |
| bool CPVT_GenerateAP::GenerateTextAP(CPDF_Document* pDoc, |
| CPDF_Dictionary* pAnnotDict) { |
| std::ostringstream sAppStream; |
| CFX_ByteString sExtGSDictName = "GS"; |
| sAppStream << "/" << sExtGSDictName << " gs "; |
| |
| CFX_FloatRect rect = pAnnotDict->GetRectFor("Rect"); |
| const float fNoteLength = 20; |
| CFX_FloatRect noteRect(rect.left, rect.bottom, rect.left + fNoteLength, |
| rect.bottom + fNoteLength); |
| pAnnotDict->SetRectFor("Rect", noteRect); |
| |
| sAppStream << GenerateTextSymbolAP(noteRect); |
| |
| auto pExtGStateDict = |
| GenerateExtGStateDict(*pAnnotDict, sExtGSDictName, "Normal"); |
| auto pResourceDict = |
| GenerateResourceDict(pDoc, std::move(pExtGStateDict), nullptr); |
| GenerateAndSetAPDict(pDoc, pAnnotDict, &sAppStream, std::move(pResourceDict), |
| false /*IsTextMarkupAnnotation*/); |
| return true; |
| } |
| |
| bool CPVT_GenerateAP::GenerateUnderlineAP(CPDF_Document* pDoc, |
| CPDF_Dictionary* pAnnotDict) { |
| std::ostringstream sAppStream; |
| CFX_ByteString sExtGSDictName = "GS"; |
| sAppStream << "/" << sExtGSDictName << " gs "; |
| |
| sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayFor("C"), |
| CPVT_Color(CPVT_Color::kRGB, 0, 0, 0), |
| PaintOperation::STROKE); |
| |
| CFX_FloatRect rect = CPDF_Annot::RectFromQuadPoints(pAnnotDict); |
| rect.Normalize(); |
| |
| float fLineWidth = 1.0; |
| sAppStream << fLineWidth << " w " << rect.left << " " |
| << rect.bottom + fLineWidth << " m " << rect.right << " " |
| << rect.bottom + fLineWidth << " l S\n"; |
| |
| auto pExtGStateDict = |
| GenerateExtGStateDict(*pAnnotDict, sExtGSDictName, "Normal"); |
| auto pResourceDict = |
| GenerateResourceDict(pDoc, std::move(pExtGStateDict), nullptr); |
| GenerateAndSetAPDict(pDoc, pAnnotDict, &sAppStream, std::move(pResourceDict), |
| true /*IsTextMarkupAnnotation*/); |
| return true; |
| } |
| |
| bool CPVT_GenerateAP::GeneratePopupAP(CPDF_Document* pDoc, |
| CPDF_Dictionary* pAnnotDict) { |
| std::ostringstream sAppStream; |
| CFX_ByteString sExtGSDictName = "GS"; |
| sAppStream << "/" << sExtGSDictName << " gs\n"; |
| |
| sAppStream << GenerateColorAP(CPVT_Color(CPVT_Color::kRGB, 1, 1, 0), |
| PaintOperation::FILL); |
| sAppStream << GenerateColorAP(CPVT_Color(CPVT_Color::kRGB, 0, 0, 0), |
| PaintOperation::STROKE); |
| |
| const float fBorderWidth = 1; |
| sAppStream << fBorderWidth << " w\n"; |
| |
| CFX_FloatRect rect = pAnnotDict->GetRectFor("Rect"); |
| rect.Normalize(); |
| rect.Deflate(fBorderWidth / 2, fBorderWidth / 2); |
| |
| sAppStream << rect.left << " " << rect.bottom << " " << rect.Width() << " " |
| << rect.Height() << " re b\n"; |
| |
| CFX_ByteString sFontName = "FONT"; |
| auto pResourceFontDict = GenerateResourceFontDict(pDoc, sFontName); |
| CPDF_Font* pDefFont = pDoc->LoadFont(pResourceFontDict.get()); |
| if (!pDefFont) |
| return false; |
| |
| auto pExtGStateDict = |
| GenerateExtGStateDict(*pAnnotDict, sExtGSDictName, "Normal"); |
| auto pResourceDict = GenerateResourceDict(pDoc, std::move(pResourceFontDict), |
| std::move(pExtGStateDict)); |
| |
| sAppStream << GetPopupContentsString(pDoc, *pAnnotDict, pDefFont, sFontName); |
| GenerateAndSetAPDict(pDoc, pAnnotDict, &sAppStream, std::move(pResourceDict), |
| false /*IsTextMarkupAnnotation*/); |
| return true; |
| } |
| |
| bool CPVT_GenerateAP::GenerateSquareAP(CPDF_Document* pDoc, |
| CPDF_Dictionary* pAnnotDict) { |
| std::ostringstream sAppStream; |
| CFX_ByteString sExtGSDictName = "GS"; |
| sAppStream << "/" << sExtGSDictName << " gs "; |
| |
| CPDF_Array* pInteriorColor = pAnnotDict->GetArrayFor("IC"); |
| sAppStream << GetColorStringWithDefault(pInteriorColor, |
| CPVT_Color(CPVT_Color::kTransparent), |
| PaintOperation::FILL); |
| |
| sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayFor("C"), |
| CPVT_Color(CPVT_Color::kRGB, 0, 0, 0), |
| PaintOperation::STROKE); |
| |
| float fBorderWidth = GetBorderWidth(*pAnnotDict); |
| bool bIsStrokeRect = fBorderWidth > 0; |
| |
| if (bIsStrokeRect) { |
| sAppStream << fBorderWidth << " w "; |
| sAppStream << GetDashPatternString(*pAnnotDict); |
| } |
| |
| CFX_FloatRect rect = pAnnotDict->GetRectFor("Rect"); |
| rect.Normalize(); |
| |
| if (bIsStrokeRect) { |
| // Deflating rect because stroking a path entails painting all points whose |
| // perpendicular distance from the path in user space is less than or equal |
| // to half the line width. |
| rect.Deflate(fBorderWidth / 2, fBorderWidth / 2); |
| } |
| |
| bool bIsFillRect = pInteriorColor && (pInteriorColor->GetCount() > 0); |
| |
| sAppStream << rect.left << " " << rect.bottom << " " << rect.Width() << " " |
| << rect.Height() << " re " |
| << GetPaintOperatorString(bIsStrokeRect, bIsFillRect) << "\n"; |
| |
| auto pExtGStateDict = |
| GenerateExtGStateDict(*pAnnotDict, sExtGSDictName, "Normal"); |
| auto pResourceDict = |
| GenerateResourceDict(pDoc, std::move(pExtGStateDict), nullptr); |
| GenerateAndSetAPDict(pDoc, pAnnotDict, &sAppStream, std::move(pResourceDict), |
| false /*IsTextMarkupAnnotation*/); |
| return true; |
| } |
| |
| bool CPVT_GenerateAP::GenerateSquigglyAP(CPDF_Document* pDoc, |
| CPDF_Dictionary* pAnnotDict) { |
| std::ostringstream sAppStream; |
| CFX_ByteString sExtGSDictName = "GS"; |
| sAppStream << "/" << sExtGSDictName << " gs "; |
| |
| sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayFor("C"), |
| CPVT_Color(CPVT_Color::kRGB, 0, 0, 0), |
| PaintOperation::STROKE); |
| |
| CFX_FloatRect rect = CPDF_Annot::RectFromQuadPoints(pAnnotDict); |
| rect.Normalize(); |
| |
| float fLineWidth = 1.0; |
| sAppStream << fLineWidth << " w "; |
| |
| const float fDelta = 2.0; |
| const float fTop = rect.bottom + fDelta; |
| const float fBottom = rect.bottom; |
| |
| sAppStream << rect.left << " " << fTop << " m "; |
| |
| float fX = rect.left + fDelta; |
| bool isUpwards = false; |
| |
| while (fX < rect.right) { |
| sAppStream << fX << " " << (isUpwards ? fTop : fBottom) << " l "; |
| |
| fX += fDelta; |
| isUpwards = !isUpwards; |
| } |
| |
| float fRemainder = rect.right - (fX - fDelta); |
| if (isUpwards) |
| sAppStream << rect.right << " " << fBottom + fRemainder << " l "; |
| else |
| sAppStream << rect.right << " " << fTop - fRemainder << " l "; |
| |
| sAppStream << "S\n"; |
| |
| auto pExtGStateDict = |
| GenerateExtGStateDict(*pAnnotDict, sExtGSDictName, "Normal"); |
| auto pResourceDict = |
| GenerateResourceDict(pDoc, std::move(pExtGStateDict), nullptr); |
| GenerateAndSetAPDict(pDoc, pAnnotDict, &sAppStream, std::move(pResourceDict), |
| true /*IsTextMarkupAnnotation*/); |
| return true; |
| } |
| |
| bool CPVT_GenerateAP::GenerateStrikeOutAP(CPDF_Document* pDoc, |
| CPDF_Dictionary* pAnnotDict) { |
| std::ostringstream sAppStream; |
| CFX_ByteString sExtGSDictName = "GS"; |
| sAppStream << "/" << sExtGSDictName << " gs "; |
| |
| sAppStream << GetColorStringWithDefault(pAnnotDict->GetArrayFor("C"), |
| CPVT_Color(CPVT_Color::kRGB, 0, 0, 0), |
| PaintOperation::STROKE); |
| |
| CFX_FloatRect rect = CPDF_Annot::RectFromQuadPoints(pAnnotDict); |
| rect.Normalize(); |
| |
| float fLineWidth = 1.0; |
| float fY = (rect.top + rect.bottom) / 2; |
| sAppStream << fLineWidth << " w " << rect.left << " " << fY << " m " |
| << rect.right << " " << fY << " l S\n"; |
| |
| auto pExtGStateDict = |
| GenerateExtGStateDict(*pAnnotDict, sExtGSDictName, "Normal"); |
| auto pResourceDict = |
| GenerateResourceDict(pDoc, std::move(pExtGStateDict), nullptr); |
| GenerateAndSetAPDict(pDoc, pAnnotDict, &sAppStream, std::move(pResourceDict), |
| true /*IsTextMarkupAnnotation*/); |
| return true; |
| } |
| |
| // Static. |
| CFX_ByteString CPVT_GenerateAP::GenerateEditAP( |
| IPVT_FontMap* pFontMap, |
| CPDF_VariableText::Iterator* pIterator, |
| const CFX_PointF& ptOffset, |
| bool bContinuous, |
| uint16_t SubWord) { |
| std::ostringstream sEditStream; |
| std::ostringstream sLineStream; |
| std::ostringstream sWords; |
| CFX_PointF ptOld; |
| CFX_PointF ptNew; |
| int32_t nCurFontIndex = -1; |
| CPVT_WordPlace oldplace; |
| |
| pIterator->SetAt(0); |
| while (pIterator->NextWord()) { |
| CPVT_WordPlace place = pIterator->GetAt(); |
| if (bContinuous) { |
| if (place.LineCmp(oldplace) != 0) { |
| if (sWords.tellp() > 0) { |
| sLineStream << GetWordRenderString(CFX_ByteString(sWords)); |
| sEditStream << sLineStream.str(); |
| sLineStream.str(""); |
| sWords.str(""); |
| } |
| 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 != ptOld) { |
| sLineStream << 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.tellp() > 0) { |
| sLineStream << GetWordRenderString(CFX_ByteString(sWords)); |
| sWords.str(""); |
| } |
| sLineStream << GetFontSetString(pFontMap, word.nFontIndex, |
| word.fFontSize); |
| nCurFontIndex = word.nFontIndex; |
| } |
| sWords << GetPDFWordString(pFontMap, 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 != ptOld) { |
| sEditStream << ptNew.x - ptOld.x << " " << ptNew.y - ptOld.y |
| << " Td\n"; |
| ptOld = ptNew; |
| } |
| if (word.nFontIndex != nCurFontIndex) { |
| sEditStream << GetFontSetString(pFontMap, word.nFontIndex, |
| word.fFontSize); |
| nCurFontIndex = word.nFontIndex; |
| } |
| sEditStream << GetWordRenderString( |
| GetPDFWordString(pFontMap, nCurFontIndex, word.Word, SubWord)); |
| } |
| } |
| } |
| if (sWords.tellp() > 0) { |
| sLineStream << GetWordRenderString(CFX_ByteString(sWords)); |
| sEditStream << sLineStream.str(); |
| sWords.str(""); |
| } |
| return CFX_ByteString(sEditStream); |
| } |
| |
| // Static. |
| CFX_ByteString CPVT_GenerateAP::GenerateBorderAP( |
| const CFX_FloatRect& rect, |
| float fWidth, |
| const CPVT_Color& color, |
| const CPVT_Color& crLeftTop, |
| const CPVT_Color& crRightBottom, |
| BorderStyle nStyle, |
| const CPVT_Dash& dash) { |
| std::ostringstream sAppStream; |
| CFX_ByteString sColor; |
| float fLeft = rect.left; |
| float fRight = rect.right; |
| float fTop = rect.top; |
| float fBottom = rect.bottom; |
| if (fWidth > 0.0f) { |
| float fHalfWidth = fWidth / 2.0f; |
| switch (nStyle) { |
| default: |
| case BorderStyle::SOLID: |
| sColor = GenerateColorAP(color, PaintOperation::FILL); |
| if (sColor.GetLength() > 0) { |
| sAppStream << sColor; |
| sAppStream << fLeft << " " << fBottom << " " << fRight - fLeft << " " |
| << fTop - fBottom << " re\n"; |
| sAppStream << fLeft + fWidth << " " << fBottom + fWidth << " " |
| << fRight - fLeft - fWidth * 2 << " " |
| << fTop - fBottom - fWidth * 2 << " re\n"; |
| sAppStream << "f*\n"; |
| } |
| break; |
| case BorderStyle::DASH: |
| sColor = GenerateColorAP(color, PaintOperation::STROKE); |
| if (sColor.GetLength() > 0) { |
| sAppStream << sColor; |
| sAppStream << fWidth << " w" |
| << " [" << dash.nDash << " " << dash.nGap << "] " |
| << dash.nPhase << " d\n"; |
| sAppStream << fLeft + fWidth / 2 << " " << fBottom + fWidth / 2 |
| << " m\n"; |
| sAppStream << fLeft + fWidth / 2 << " " << fTop - fWidth / 2 |
| << " l\n"; |
| sAppStream << fRight - fWidth / 2 << " " << fTop - fWidth / 2 |
| << " l\n"; |
| sAppStream << fRight - fWidth / 2 << " " << fBottom + fWidth / 2 |
| << " l\n"; |
| sAppStream << fLeft + fWidth / 2 << " " << fBottom + fWidth / 2 |
| << " l S\n"; |
| } |
| break; |
| case BorderStyle::BEVELED: |
| case BorderStyle::INSET: |
| sColor = GenerateColorAP(crLeftTop, PaintOperation::FILL); |
| if (sColor.GetLength() > 0) { |
| sAppStream << sColor; |
| sAppStream << fLeft + fHalfWidth << " " << fBottom + fHalfWidth |
| << " m\n"; |
| sAppStream << fLeft + fHalfWidth << " " << fTop - fHalfWidth |
| << " l\n"; |
| sAppStream << fRight - fHalfWidth << " " << fTop - fHalfWidth |
| << " l\n"; |
| sAppStream << fRight - fHalfWidth * 2 << " " << fTop - fHalfWidth * 2 |
| << " l\n"; |
| sAppStream << fLeft + fHalfWidth * 2 << " " << fTop - fHalfWidth * 2 |
| << " l\n"; |
| sAppStream << fLeft + fHalfWidth * 2 << " " |
| << fBottom + fHalfWidth * 2 << " l f\n"; |
| } |
| sColor = GenerateColorAP(crRightBottom, PaintOperation::FILL); |
| if (sColor.GetLength() > 0) { |
| sAppStream << sColor; |
| sAppStream << fRight - fHalfWidth << " " << fTop - fHalfWidth |
| << " m\n"; |
| sAppStream << fRight - fHalfWidth << " " << fBottom + fHalfWidth |
| << " l\n"; |
| sAppStream << fLeft + fHalfWidth << " " << fBottom + fHalfWidth |
| << " l\n"; |
| sAppStream << fLeft + fHalfWidth * 2 << " " |
| << fBottom + fHalfWidth * 2 << " l\n"; |
| sAppStream << fRight - fHalfWidth * 2 << " " |
| << fBottom + fHalfWidth * 2 << " l\n"; |
| sAppStream << fRight - fHalfWidth * 2 << " " << fTop - fHalfWidth * 2 |
| << " l f\n"; |
| } |
| sColor = GenerateColorAP(color, PaintOperation::FILL); |
| if (sColor.GetLength() > 0) { |
| sAppStream << sColor; |
| sAppStream << fLeft << " " << fBottom << " " << fRight - fLeft << " " |
| << fTop - fBottom << " re\n"; |
| sAppStream << fLeft + fHalfWidth << " " << fBottom + fHalfWidth << " " |
| << fRight - fLeft - fHalfWidth * 2 << " " |
| << fTop - fBottom - fHalfWidth * 2 << " re f*\n"; |
| } |
| break; |
| case BorderStyle::UNDERLINE: |
| sColor = GenerateColorAP(color, PaintOperation::STROKE); |
| if (sColor.GetLength() > 0) { |
| sAppStream << sColor; |
| sAppStream << fWidth << " w\n"; |
| sAppStream << fLeft << " " << fBottom + fWidth / 2 << " m\n"; |
| sAppStream << fRight << " " << fBottom + fWidth / 2 << " l S\n"; |
| } |
| break; |
| } |
| } |
| return CFX_ByteString(sAppStream); |
| } |
| |
| // Static. |
| CFX_ByteString CPVT_GenerateAP::GenerateColorAP(const CPVT_Color& color, |
| PaintOperation nOperation) { |
| std::ostringstream sColorStream; |
| switch (color.nColorType) { |
| case CPVT_Color::kRGB: |
| sColorStream << color.fColor1 << " " << color.fColor2 << " " |
| << color.fColor3 << " " |
| << (nOperation == PaintOperation::STROKE ? "RG" : "rg") |
| << "\n"; |
| break; |
| case CPVT_Color::kGray: |
| sColorStream << color.fColor1 << " " |
| << (nOperation == PaintOperation::STROKE ? "G" : "g") |
| << "\n"; |
| break; |
| case CPVT_Color::kCMYK: |
| sColorStream << color.fColor1 << " " << color.fColor2 << " " |
| << color.fColor3 << " " << color.fColor4 << " " |
| << (nOperation == PaintOperation::STROKE ? "K" : "k") |
| << "\n"; |
| break; |
| case CPVT_Color::kTransparent: |
| break; |
| } |
| return CFX_ByteString(sColorStream); |
| } |
| |
| // Static. |
| std::unique_ptr<CPDF_Dictionary> CPVT_GenerateAP::GenerateExtGStateDict( |
| const CPDF_Dictionary& pAnnotDict, |
| const CFX_ByteString& sExtGSDictName, |
| const CFX_ByteString& sBlendMode) { |
| auto pGSDict = |
| pdfium::MakeUnique<CPDF_Dictionary>(pAnnotDict.GetByteStringPool()); |
| pGSDict->SetNewFor<CPDF_String>("Type", "ExtGState", false); |
| |
| float fOpacity = |
| pAnnotDict.KeyExist("CA") ? pAnnotDict.GetNumberFor("CA") : 1; |
| pGSDict->SetNewFor<CPDF_Number>("CA", fOpacity); |
| pGSDict->SetNewFor<CPDF_Number>("ca", fOpacity); |
| pGSDict->SetNewFor<CPDF_Boolean>("AIS", false); |
| pGSDict->SetNewFor<CPDF_String>("BM", sBlendMode, false); |
| |
| auto pExtGStateDict = |
| pdfium::MakeUnique<CPDF_Dictionary>(pAnnotDict.GetByteStringPool()); |
| pExtGStateDict->SetFor(sExtGSDictName, std::move(pGSDict)); |
| return pExtGStateDict; |
| } |
| |
| // Static. |
| std::unique_ptr<CPDF_Dictionary> CPVT_GenerateAP::GenerateResourceDict( |
| CPDF_Document* pDoc, |
| std::unique_ptr<CPDF_Dictionary> pExtGStateDict, |
| std::unique_ptr<CPDF_Dictionary> pResourceFontDict) { |
| auto pResourceDict = |
| pdfium::MakeUnique<CPDF_Dictionary>(pDoc->GetByteStringPool()); |
| if (pExtGStateDict) |
| pResourceDict->SetFor("ExtGState", std::move(pExtGStateDict)); |
| if (pResourceFontDict) |
| pResourceDict->SetFor("Font", std::move(pResourceFontDict)); |
| return pResourceDict; |
| } |
| |
| // Static. |
| void CPVT_GenerateAP::GenerateAndSetAPDict( |
| CPDF_Document* pDoc, |
| CPDF_Dictionary* pAnnotDict, |
| std::ostringstream* psAppStream, |
| std::unique_ptr<CPDF_Dictionary> pResourceDict, |
| bool bIsTextMarkupAnnotation) { |
| CPDF_Stream* pNormalStream = pDoc->NewIndirect<CPDF_Stream>(); |
| pNormalStream->SetData(psAppStream); |
| |
| CPDF_Dictionary* pAPDict = pAnnotDict->GetDictFor("AP"); |
| if (!pAPDict) |
| pAPDict = pAnnotDict->SetNewFor<CPDF_Dictionary>("AP"); |
| |
| pAPDict->SetNewFor<CPDF_Reference>("N", pDoc, pNormalStream->GetObjNum()); |
| |
| CPDF_Dictionary* pStreamDict = pNormalStream->GetDict(); |
| pStreamDict->SetNewFor<CPDF_Number>("FormType", 1); |
| pStreamDict->SetNewFor<CPDF_String>("Subtype", "Form", false); |
| pStreamDict->SetMatrixFor("Matrix", CFX_Matrix()); |
| |
| CFX_FloatRect rect = bIsTextMarkupAnnotation |
| ? CPDF_Annot::RectFromQuadPoints(pAnnotDict) |
| : pAnnotDict->GetRectFor("Rect"); |
| pStreamDict->SetRectFor("BBox", rect); |
| pStreamDict->SetFor("Resources", std::move(pResourceDict)); |
| } |
| |
| // Static. |
| CFX_ByteString CPVT_GenerateAP::GetPDFWordString(IPVT_FontMap* pFontMap, |
| int32_t nFontIndex, |
| uint16_t Word, |
| uint16_t SubWord) { |
| CFX_ByteString sWord; |
| if (SubWord > 0) { |
| sWord.Format("%c", SubWord); |
| return sWord; |
| } |
| |
| if (!pFontMap) |
| return sWord; |
| |
| if (CPDF_Font* pPDFFont = pFontMap->GetPDFFont(nFontIndex)) { |
| if (pPDFFont->GetBaseFont().Compare("Symbol") == 0 || |
| pPDFFont->GetBaseFont().Compare("ZapfDingbats") == 0) { |
| sWord.Format("%c", Word); |
| } else { |
| uint32_t dwCharCode = pPDFFont->CharCodeFromUnicode(Word); |
| if (dwCharCode != CPDF_Font::kInvalidCharCode) |
| pPDFFont->AppendChar(&sWord, dwCharCode); |
| } |
| } |
| return sWord; |
| } |
| |
| // Static. |
| CFX_ByteString CPVT_GenerateAP::GetWordRenderString( |
| const CFX_ByteString& strWords) { |
| if (strWords.GetLength() > 0) |
| return PDF_EncodeString(strWords, false) + " Tj\n"; |
| return ""; |
| } |
| |
| // Static. |
| CFX_ByteString CPVT_GenerateAP::GetFontSetString(IPVT_FontMap* pFontMap, |
| int32_t nFontIndex, |
| float fFontSize) { |
| std::ostringstream sRet; |
| if (pFontMap) { |
| CFX_ByteString sFontAlias = pFontMap->GetPDFFontAlias(nFontIndex); |
| if (sFontAlias.GetLength() > 0 && fFontSize > 0) |
| sRet << "/" << sFontAlias << " " << fFontSize << " Tf\n"; |
| } |
| return CFX_ByteString(sRet); |
| } |
