CPDF_Object* CPDF_StreamContentParser::FindResourceObj(
    const CFX_ByteStringC& type,
    const CFX_ByteString& name) {
  if (!m_pResources) {
    return NULL;
  }
  if (m_pResources == m_pPageResources) {
    CPDF_Dictionary* pList = m_pResources->GetDict(type);
    if (!pList) {
      return NULL;
    }
    CPDF_Object* pRes = pList->GetElementValue(name);
    return pRes;
  }
  CPDF_Dictionary* pList = m_pResources->GetDict(type);
  if (!pList) {
    if (!m_pPageResources) {
      return NULL;
    }
    CPDF_Dictionary* pList = m_pPageResources->GetDict(type);
    if (!pList) {
      return NULL;
    }
    CPDF_Object* pRes = pList->GetElementValue(name);
    return pRes;
  }
  CPDF_Object* pRes = pList->GetElementValue(name);
  return pRes;
}
Beispiel #2
0
CPDF_Object* CPDF_StructElementImpl::GetAttr(FX_BSTR owner, FX_BSTR name, FX_BOOL bInheritable, FX_FLOAT fLevel)
{
    if (fLevel > nMaxRecursion) {
        return NULL;
    }
    if (bInheritable) {
        CPDF_Object* pAttr = GetAttr(owner, name, FALSE);
        if (pAttr) {
            return pAttr;
        }
        if (m_pParent == NULL) {
            return NULL;
        }
        return m_pParent->GetAttr(owner, name, TRUE, fLevel + 1);
    }
    CPDF_Object* pA = m_pDict->GetElementValue(FX_BSTRC("A"));
    if (pA) {
        CPDF_Dictionary* pAttrDict = FindAttrDict(pA, owner);
        if (pAttrDict) {
            CPDF_Object* pAttr = pAttrDict->GetElementValue(name);
            if (pAttr) {
                return pAttr;
            }
        }
    }
    CPDF_Object* pC = m_pDict->GetElementValue(FX_BSTRC("C"));
    if (pC == NULL) {
        return NULL;
    }
    CPDF_Dictionary* pClassMap = m_pTree->m_pTreeRoot->GetDict(FX_BSTRC("ClassMap"));
    if (pClassMap == NULL) {
        return NULL;
    }
    if (pC->GetType() == PDFOBJ_ARRAY) {
        CPDF_Array* pArray = (CPDF_Array*)pC;
        for (FX_DWORD i = 0; i < pArray->GetCount(); i ++) {
            CFX_ByteString class_name = pArray->GetString(i);
            CPDF_Dictionary* pClassDict = pClassMap->GetDict(class_name);
            if (pClassDict && pClassDict->GetString(FX_BSTRC("O")) == owner) {
                return pClassDict->GetElementValue(name);
            }
        }
        return NULL;
    }
    CFX_ByteString class_name = pC->GetString();
    CPDF_Dictionary* pClassDict = pClassMap->GetDict(class_name);
    if (pClassDict && pClassDict->GetString(FX_BSTRC("O")) == owner) {
        return pClassDict->GetElementValue(name);
    }
    return NULL;
}
Beispiel #3
0
FX_DWORD CPDF_ActionFields::GetFieldsCount() const {
  if (!m_pAction) {
    return 0;
  }
  CPDF_Dictionary* pDict = m_pAction->GetDict();
  if (!pDict) {
    return 0;
  }
  CFX_ByteString csType = pDict->GetString("S");
  CPDF_Object* pFields = NULL;
  if (csType == "Hide") {
    pFields = pDict->GetElementValue("T");
  } else {
    pFields = pDict->GetArray("Fields");
  }
  if (!pFields)
    return 0;
  if (pFields->IsDictionary())
    return 1;
  if (pFields->IsString())
    return 1;
  if (CPDF_Array* pArray = pFields->AsArray())
    return pArray->GetCount();
  return 0;
}
Beispiel #4
0
CPDF_Object* CPDF_ActionFields::GetField(FX_DWORD iIndex) const {
  if (!m_pAction) {
    return NULL;
  }
  CPDF_Dictionary* pDict = m_pAction->GetDict();
  if (!pDict) {
    return NULL;
  }
  CFX_ByteString csType = pDict->GetString("S");
  CPDF_Object* pFields = NULL;
  if (csType == "Hide") {
    pFields = pDict->GetElementValue("T");
  } else {
    pFields = pDict->GetArray("Fields");
  }
  if (!pFields) {
    return NULL;
  }
  CPDF_Object* pFindObj = NULL;
  if (pFields->IsDictionary() || pFields->IsString()) {
    if (iIndex == 0)
      pFindObj = pFields;
  } else if (CPDF_Array* pArray = pFields->AsArray()) {
    pFindObj = pArray->GetElementValue(iIndex);
  }
  return pFindObj;
}
Beispiel #5
0
std::vector<CPDF_Object*> CPDF_ActionFields::GetAllFields() const {
  std::vector<CPDF_Object*> fields;
  if (!m_pAction)
    return fields;

  CPDF_Dictionary* pDict = m_pAction->GetDict();
  if (!pDict)
    return fields;

  CFX_ByteString csType = pDict->GetString("S");
  CPDF_Object* pFields;
  if (csType == "Hide")
    pFields = pDict->GetElementValue("T");
  else
    pFields = pDict->GetArray("Fields");
  if (!pFields)
    return fields;

  if (pFields->IsDictionary() || pFields->IsString()) {
    fields.push_back(pFields);
  } else if (CPDF_Array* pArray = pFields->AsArray()) {
    FX_DWORD iCount = pArray->GetCount();
    for (FX_DWORD i = 0; i < iCount; ++i) {
      CPDF_Object* pObj = pArray->GetElementValue(i);
      if (pObj) {
        fields.push_back(pObj);
      }
    }
  }
  return fields;
}
CPDF_ShadingPattern::CPDF_ShadingPattern(CPDF_Document* pDoc, CPDF_Object* pPatternObj, FX_BOOL bShading, const CFX_AffineMatrix* parentMatrix) : CPDF_Pattern(parentMatrix)
{
    m_PatternType = PATTERN_SHADING;
    m_pPatternObj = bShading ? NULL : pPatternObj;
    m_pDocument = pDoc;
    m_bShadingObj = bShading;
    if (!bShading) {
        CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
        ASSERT(pDict != NULL);
        m_Pattern2Form = pDict->GetMatrix(FX_BSTRC("Matrix"));
        m_pShadingObj = pDict->GetElementValue(FX_BSTRC("Shading"));
        if (parentMatrix) {
            m_Pattern2Form.Concat(*parentMatrix);
        }
    } else {
        m_pShadingObj = pPatternObj;
    }
    m_ShadingType = 0;
    m_pCS = NULL;
    m_nFuncs = 0;
    for (int i = 0; i < 4; i ++) {
        m_pFunctions[i] = NULL;
    }
    m_pCountedCS = NULL;
}
FX_BOOL CPDF_ShadingPattern::Load()
{
    if (m_ShadingType != 0) {
        return TRUE;
    }
    CPDF_Dictionary* pShadingDict = m_pShadingObj ? m_pShadingObj->GetDict() : NULL;
    if (pShadingDict == NULL) {
        return FALSE;
    }
    if (m_nFuncs) {
        for (int i = 0; i < m_nFuncs; i ++)
            if (m_pFunctions[i]) {
                delete m_pFunctions[i];
            }
        m_nFuncs = 0;
    }
    CPDF_Object* pFunc = pShadingDict->GetElementValue(FX_BSTRC("Function"));
    if (pFunc) {
        if (pFunc->GetType() == PDFOBJ_ARRAY) {
            m_nFuncs = ((CPDF_Array*)pFunc)->GetCount();
            if (m_nFuncs > 4) {
                m_nFuncs = 4;
            }
            for (int i = 0; i < m_nFuncs; i ++) {
                m_pFunctions[i] = CPDF_Function::Load(((CPDF_Array*)pFunc)->GetElementValue(i));
            }
        } else {
            m_pFunctions[0] = CPDF_Function::Load(pFunc);
            m_nFuncs = 1;
        }
    }
    CPDF_Object* pCSObj = pShadingDict->GetElementValue(FX_BSTRC("ColorSpace"));
    if (pCSObj == NULL) {
        return FALSE;
    }
    CPDF_DocPageData* pDocPageData = m_pDocument->GetPageData();
    m_pCS = pDocPageData->GetColorSpace(pCSObj, NULL);
    if (m_pCS) {
        m_pCountedCS = pDocPageData->FindColorSpacePtr(m_pCS->GetArray());
    }
    m_ShadingType = pShadingDict->GetInteger(FX_BSTRC("ShadingType"));
    return TRUE;
}
Beispiel #8
0
CFX_WideString CFDF_Document::GetWin32Path() const
{
    CPDF_Dictionary* pDict = m_pRootDict ? m_pRootDict->GetDict(FX_BSTRC("FDF")) : NULL;
    CPDF_Object* pFileSpec = pDict ? pDict->GetElementValue(FX_BSTRC("F")) : NULL;
    if (pFileSpec == NULL) {
        return CFX_WideString();
    }
    if (pFileSpec->GetType() == PDFOBJ_STRING) {
        return FPDF_FileSpec_GetWin32Path(m_pRootDict->GetDict(FX_BSTRC("FDF")));
    }
    return FPDF_FileSpec_GetWin32Path(pFileSpec);
}
Beispiel #9
0
CPDF_Array* CPDF_NameTree::LookupNamedDest(CPDF_Document* pDoc,
                                           const CFX_ByteStringC& sName) {
  CPDF_Object* pValue = LookupValue(sName);
  if (!pValue) {
    CPDF_Dictionary* pDests = pDoc->GetRoot()->GetDictBy("Dests");
    if (!pDests)
      return nullptr;
    pValue = pDests->GetElementValue(sName);
  }
  if (!pValue)
    return nullptr;
  if (CPDF_Array* pArray = pValue->AsArray())
    return pArray;
  if (CPDF_Dictionary* pDict = pValue->AsDictionary())
    return pDict->GetArrayBy("D");
  return nullptr;
}
Beispiel #10
0
FX_BOOL CPDFSDK_BAAnnot::IsAppearanceValid(CPDF_Annot::AppearanceMode mode) {
  CPDF_Dictionary* pAP = m_pAnnot->GetAnnotDict()->GetDictBy("AP");
  if (!pAP)
    return FALSE;

  // Choose the right sub-ap
  const FX_CHAR* ap_entry = "N";
  if (mode == CPDF_Annot::Down)
    ap_entry = "D";
  else if (mode == CPDF_Annot::Rollover)
    ap_entry = "R";
  if (!pAP->KeyExist(ap_entry))
    ap_entry = "N";

  // Get the AP stream or subdirectory
  CPDF_Object* psub = pAP->GetElementValue(ap_entry);
  return !!psub;
}
Beispiel #11
0
void CPDF_PageContentGenerate::GenerateContent() {
    CFX_ByteTextBuf buf;
    CPDF_Dictionary* pPageDict = m_pPage->m_pFormDict;
    for (int i = 0; i < m_pageObjects.GetSize(); ++i) {
        CPDF_PageObject* pPageObj = (CPDF_PageObject*)m_pageObjects[i];
        if (!pPageObj || pPageObj->m_Type != PDFPAGE_IMAGE) {
            continue;
        }
        ProcessImage(buf, (CPDF_ImageObject*)pPageObj);
    }
    CPDF_Object* pContent =
        pPageDict ? pPageDict->GetElementValue("Contents") : NULL;
    if (pContent != NULL) {
        pPageDict->RemoveAt("Contents");
    }
    CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL);
    pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE);
    m_pDocument->AddIndirectObject(pStream);
    pPageDict->SetAtReference("Contents", m_pDocument, pStream->GetObjNum());
}
Beispiel #12
0
CPDF_Image::~CPDF_Image()
{
    if (m_bInline) {
        if (m_pStream) {
#ifndef FOXIT_CHROME_BUILD
            CPDF_Dictionary* pDict = m_pStream->GetDict();
            if (pDict) {
                CPDF_Object* pCSObj = pDict->GetElementValue(FX_BSTRC("ColorSpace"));
                if (pCSObj && m_pDocument) {
                    m_pDocument->RemoveColorSpaceFromPageData(pCSObj);
                }
            }
#endif
            m_pStream->Release();
        }
        if (m_pInlineDict) {
            m_pInlineDict->Release();
        }
    }
}
Beispiel #13
0
CPDF_Array*	CPDF_NameTree::LookupNamedDest(CPDF_Document* pDoc, FX_BSTR sName)
{
    CPDF_Object* pValue = LookupValue(sName);
    if (pValue == NULL) {
        CPDF_Dictionary* pDests = pDoc->GetRoot()->GetDict(FX_BSTRC("Dests"));
        if (pDests == NULL) {
            return NULL;
        }
        pValue = pDests->GetElementValue(sName);
    }
    if (pValue == NULL) {
        return NULL;
    }
    if (pValue->GetType() == PDFOBJ_ARRAY) {
        return (CPDF_Array*)pValue;
    }
    if (pValue->GetType() == PDFOBJ_DICTIONARY) {
        return ((CPDF_Dictionary*)pValue)->GetArray(FX_BSTRC("D"));
    }
    return NULL;
}
Beispiel #14
0
CPDF_Stream* FPDFDOC_GetAnnotAP(CPDF_Dictionary* pAnnotDict, CPDF_Annot::AppearanceMode mode)
{
    CPDF_Dictionary* pAP = pAnnotDict->GetDict("AP");
    if (pAP == NULL) {
        return NULL;
    }
    const FX_CHAR* ap_entry = "N";
    if (mode == CPDF_Annot::Down) {
        ap_entry = "D";
    } else if (mode == CPDF_Annot::Rollover) {
        ap_entry = "R";
    }
    if (!pAP->KeyExist(ap_entry)) {
        ap_entry = "N";
    }
    CPDF_Object* psub = pAP->GetElementValue(ap_entry);
    if (psub == NULL) {
        return NULL;
    }
    CPDF_Stream* pStream = NULL;
    if (psub->GetType() == PDFOBJ_STREAM) {
        pStream = (CPDF_Stream*)psub;
    } else if (psub->GetType() == PDFOBJ_DICTIONARY) {
        CFX_ByteString as = pAnnotDict->GetString("AS");
        if (as.IsEmpty()) {
            CFX_ByteString value = pAnnotDict->GetString(FX_BSTRC("V"));
            if (value.IsEmpty()) {
                CPDF_Dictionary* pDict = pAnnotDict->GetDict(FX_BSTRC("Parent"));
                value = pDict ? pDict->GetString(FX_BSTRC("V")) : CFX_ByteString();
            }
            if (value.IsEmpty() || !((CPDF_Dictionary*)psub)->KeyExist(value)) {
                as = FX_BSTRC("Off");
            } else {
                as = value;
            }
        }
        pStream = ((CPDF_Dictionary*)psub)->GetStream(as);
    }
    return pStream;
}
Beispiel #15
0
FX_BOOL	CPDFSDK_Annot::IsAppearanceValid(CPDF_Annot::AppearanceMode mode)
{
	ASSERT(m_pAnnot != NULL);
	ASSERT(m_pAnnot->m_pAnnotDict != NULL);
	
	CPDF_Dictionary* pAP = m_pAnnot->m_pAnnotDict->GetDict("AP");
	if (pAP == NULL) return FALSE;
	
	// Choose the right sub-ap
	const FX_CHAR* ap_entry = "N";
	if (mode == CPDF_Annot::Down)
		ap_entry = "D";
	else if (mode == CPDF_Annot::Rollover)
		ap_entry = "R";
	if (!pAP->KeyExist(ap_entry))
		ap_entry = "N";
	
	// Get the AP stream or subdirectory
	CPDF_Object* psub = pAP->GetElementValue(ap_entry);
	if (psub == NULL) return FALSE;
	
	return TRUE;
}
Beispiel #16
0
void CPDF_PageContentGenerate::TransformContent(CFX_Matrix& matrix) {
    CPDF_Dictionary* pDict = m_pPage->m_pFormDict;
    CPDF_Object* pContent = pDict ? pDict->GetElementValue("Contents") : NULL;
    if (!pContent)
        return;

    CFX_ByteTextBuf buf;
    if (CPDF_Array* pArray = pContent->AsArray()) {
        int iCount = pArray->GetCount();
        CPDF_StreamAcc** pContentArray = FX_Alloc(CPDF_StreamAcc*, iCount);
        int size = 0;
        int i = 0;
        for (i = 0; i < iCount; ++i) {
            pContent = pArray->GetElement(i);
            CPDF_Stream* pStream = ToStream(pContent);
            if (!pStream)
                continue;

            CPDF_StreamAcc* pStreamAcc = new CPDF_StreamAcc();
            pStreamAcc->LoadAllData(pStream);
            pContentArray[i] = pStreamAcc;
            size += pContentArray[i]->GetSize() + 1;
        }
        int pos = 0;
        uint8_t* pBuf = FX_Alloc(uint8_t, size);
        for (i = 0; i < iCount; ++i) {
            FXSYS_memcpy(pBuf + pos, pContentArray[i]->GetData(),
                         pContentArray[i]->GetSize());
            pos += pContentArray[i]->GetSize() + 1;
            pBuf[pos - 1] = ' ';
            delete pContentArray[i];
        }
        ProcessForm(buf, pBuf, size, matrix);
        FX_Free(pBuf);
        FX_Free(pContentArray);
    } else if (CPDF_Stream* pStream = pContent->AsStream()) {
Beispiel #17
0
FX_BOOL CPDF_ICCBasedCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray)
{
    CPDF_Stream* pStream = pArray->GetStream(1);
    if (pStream == NULL) {
        return FALSE;
    }
    m_pProfile = pDoc->LoadIccProfile(pStream);
    if (!m_pProfile) {
        return FALSE;
    }
    m_nComponents = m_pProfile->GetComponents(); //Try using the nComponents from ICC profile
    CPDF_Dictionary* pDict = pStream->GetDict();
    if (m_pProfile->m_pTransform == NULL) { // No valid ICC profile or using sRGB
        CPDF_Object* pAlterCSObj = pDict ? pDict->GetElementValue(FX_BSTRC("Alternate")) : NULL;
        if (pAlterCSObj) {
            CPDF_ColorSpace* pAlterCS = CPDF_ColorSpace::Load(pDoc, pAlterCSObj);
            if (pAlterCS) {
                if (m_nComponents == 0) { // NO valid ICC profile
                    if (pAlterCS->CountComponents() > 0) { // Use Alternative colorspace
                        m_nComponents = pAlterCS->CountComponents();
                        m_pAlterCS = pAlterCS;
                        m_bOwn = TRUE;
                    }
                    else { // No valid alternative colorspace
                        pAlterCS->ReleaseCS();
                        int32_t nDictComponents = pDict ? pDict->GetInteger(FX_BSTRC("N")) : 0;
                        if (nDictComponents != 1 && nDictComponents != 3 && nDictComponents != 4) {
                            return FALSE;
                        }
                        m_nComponents = nDictComponents;
                    }

                }
                else { // Using sRGB
                    if (pAlterCS->CountComponents() != m_nComponents) {
                        pAlterCS->ReleaseCS();
                    }
                    else {
                        m_pAlterCS = pAlterCS;
                        m_bOwn = TRUE;
                    }
                }
            }
        }
        if (!m_pAlterCS) {
            if (m_nComponents == 1) {
                m_pAlterCS = GetStockCS(PDFCS_DEVICEGRAY);
            }
            else if (m_nComponents == 3) {
                m_pAlterCS = GetStockCS(PDFCS_DEVICERGB);
            }
            else if (m_nComponents == 4) {
                m_pAlterCS = GetStockCS(PDFCS_DEVICECMYK);
            }
        }
    }
    CPDF_Array* pRanges = pDict->GetArray(FX_BSTRC("Range"));
    m_pRanges = FX_Alloc2D(FX_FLOAT, m_nComponents, 2);
    for (int i = 0; i < m_nComponents * 2; i ++) {
        if (pRanges) {
            m_pRanges[i] = pRanges->GetNumber(i);
        } else if (i % 2) {
            m_pRanges[i] = 1.0f;
        } else {
            m_pRanges[i] = 0;
        }
    }
    return TRUE;
}
void CPDF_StreamContentParser::Handle_BeginImage()
{
    FX_FILESIZE savePos = m_pSyntax->GetPos();
    CPDF_Dictionary* pDict = CPDF_Dictionary::Create();
    while (1) {
        CPDF_StreamParser::SyntaxType type = m_pSyntax->ParseNextElement();
        if (type == CPDF_StreamParser::Keyword) {
            CFX_ByteString bsKeyword(m_pSyntax->GetWordBuf(), m_pSyntax->GetWordSize());
            if (bsKeyword != FX_BSTRC("ID")) {
                m_pSyntax->SetPos(savePos);
                pDict->Release();
                return;
            }
        }
        if (type != CPDF_StreamParser::Name) {
            break;
        }
        CFX_ByteString key((const FX_CHAR*)m_pSyntax->GetWordBuf() + 1, m_pSyntax->GetWordSize() - 1);
        CPDF_Object* pObj = m_pSyntax->ReadNextObject();
        if (!key.IsEmpty()) {
            pDict->SetAt(key, pObj, m_pDocument);
        } else if (pObj) {
            pObj->Release();
        }
    }
    _PDF_ReplaceAbbr(pDict);
    CPDF_Object* pCSObj = NULL;
    if (pDict->KeyExist(FX_BSTRC("ColorSpace"))) {
        pCSObj = pDict->GetElementValue(FX_BSTRC("ColorSpace"));
        if (pCSObj->GetType() == PDFOBJ_NAME) {
            CFX_ByteString name = pCSObj->GetString();
            if (name != FX_BSTRC("DeviceRGB") && name != FX_BSTRC("DeviceGray") && name != FX_BSTRC("DeviceCMYK")) {
                pCSObj = FindResourceObj(FX_BSTRC("ColorSpace"), name);
                if (pCSObj && !pCSObj->GetObjNum()) {
                    pCSObj = pCSObj->Clone();
                    pDict->SetAt(FX_BSTRC("ColorSpace"), pCSObj, m_pDocument);
                }
            }
        }
    }
    CPDF_Stream* pStream = m_pSyntax->ReadInlineStream(m_pDocument, pDict, pCSObj, m_Options.m_bDecodeInlineImage);
    while (1) {
        CPDF_StreamParser::SyntaxType type = m_pSyntax->ParseNextElement();
        if (type == CPDF_StreamParser::EndOfData) {
            break;
        }
        if (type != CPDF_StreamParser::Keyword) {
            continue;
        }
        if (m_pSyntax->GetWordSize() == 2 && m_pSyntax->GetWordBuf()[0] == 'E' &&
                m_pSyntax->GetWordBuf()[1] == 'I') {
            break;
        }
    }
    if (m_Options.m_bTextOnly) {
        if (pStream) {
            pStream->Release();
        } else {
            pDict->Release();
        }
        return;
    }
    pDict->SetAtName(FX_BSTRC("Subtype"), FX_BSTRC("Image"));
    CPDF_ImageObject *pImgObj = AddImage(pStream, NULL, TRUE);
    if (!pImgObj) {
        if (pStream) {
            pStream->Release();
        } else {
            pDict->Release();
        }
    }
}
Beispiel #19
0
CPDF_ColorSpace* CPDF_DocPageData::GetColorSpace(
    CPDF_Object* pCSObj,
    const CPDF_Dictionary* pResources) {
  if (!pCSObj)
    return nullptr;

  if (pCSObj->IsName()) {
    CFX_ByteString name = pCSObj->GetConstString();
    CPDF_ColorSpace* pCS = _CSFromName(name);
    if (!pCS && pResources) {
      CPDF_Dictionary* pList = pResources->GetDictBy("ColorSpace");
      if (pList) {
        pCSObj = pList->GetElementValue(name);
        return GetColorSpace(pCSObj, nullptr);
      }
    }
    if (!pCS || !pResources)
      return pCS;

    CPDF_Dictionary* pColorSpaces = pResources->GetDictBy("ColorSpace");
    if (!pColorSpaces)
      return pCS;

    CPDF_Object* pDefaultCS = nullptr;
    switch (pCS->GetFamily()) {
      case PDFCS_DEVICERGB:
        pDefaultCS = pColorSpaces->GetElementValue("DefaultRGB");
        break;
      case PDFCS_DEVICEGRAY:
        pDefaultCS = pColorSpaces->GetElementValue("DefaultGray");
        break;
      case PDFCS_DEVICECMYK:
        pDefaultCS = pColorSpaces->GetElementValue("DefaultCMYK");
        break;
    }
    return pDefaultCS ? GetColorSpace(pDefaultCS, nullptr) : pCS;
  }

  CPDF_Array* pArray = pCSObj->AsArray();
  if (!pArray || pArray->GetCount() == 0)
    return nullptr;
  if (pArray->GetCount() == 1)
    return GetColorSpace(pArray->GetElementValue(0), pResources);

  CPDF_CountedColorSpace* csData = nullptr;
  auto it = m_ColorSpaceMap.find(pCSObj);
  if (it != m_ColorSpaceMap.end()) {
    csData = it->second;
    if (csData->get()) {
      return csData->AddRef();
    }
  }

  CPDF_ColorSpace* pCS = CPDF_ColorSpace::Load(m_pPDFDoc, pArray);
  if (!pCS)
    return nullptr;

  if (!csData) {
    csData = new CPDF_CountedColorSpace(pCS);
    m_ColorSpaceMap[pCSObj] = csData;
  } else {
    csData->reset(pCS);
  }
  return csData->AddRef();
}
Beispiel #20
0
FX_BOOL CPDF_QuickStretcher::Start(CPDF_ImageObject* pImageObj,
                                   CFX_AffineMatrix* pImage2Device,
                                   const FX_RECT* pClipBox) {
    if (FXSYS_fabs(pImage2Device->a) < FXSYS_fabs(pImage2Device->b) * 10 &&
            FXSYS_fabs(pImage2Device->d) < FXSYS_fabs(pImage2Device->c) * 10) {
        return FALSE;
    }
    CFX_FloatRect image_rect_f = pImage2Device->GetUnitRect();
    FX_RECT image_rect = image_rect_f.GetOutterRect();
    m_DestWidth = image_rect.Width();
    m_DestHeight = image_rect.Height();
    m_bFlipX = pImage2Device->a < 0;
    m_bFlipY = pImage2Device->d > 0;
    FX_RECT result_rect = *pClipBox;
    result_rect.Intersect(image_rect);
    if (result_rect.IsEmpty()) {
        return FALSE;
    }
    m_ResultWidth = result_rect.Width();
    m_ResultHeight = result_rect.Height();
    m_ResultLeft = result_rect.left;
    m_ResultTop = result_rect.top;
    m_ClipLeft = result_rect.left - image_rect.left;
    m_ClipTop = result_rect.top - image_rect.top;
    CPDF_Dictionary* pDict = pImageObj->m_pImage->GetDict();
    if (pDict->GetInteger(FX_BSTRC("BitsPerComponent")) != 8) {
        return FALSE;
    }
    if (pDict->KeyExist(FX_BSTRC("SMask")) || pDict->KeyExist(FX_BSTRC("Mask"))) {
        return FALSE;
    }
    m_SrcWidth = pDict->GetInteger(FX_BSTRC("Width"));
    m_SrcHeight = pDict->GetInteger(FX_BSTRC("Height"));
    m_pCS = NULL;
    m_Bpp = 3;
    CPDF_Object* pCSObj = pDict->GetElementValue(FX_BSTRC("ColorSpace"));
    if (pCSObj == NULL) {
        return FALSE;
    }
    m_pCS = CPDF_ColorSpace::Load(pImageObj->m_pImage->GetDocument(), pCSObj);
    if (m_pCS == NULL) {
        return FALSE;
    }
    if (!_IsSupported(m_pCS)) {
        return FALSE;
    }
    m_Bpp = m_pCS->CountComponents();
    if (m_pCS->sRGB()) {
        m_pCS->ReleaseCS();
        m_pCS = NULL;
    }
    CPDF_Stream* pStream = pImageObj->m_pImage->GetStream();
    m_StreamAcc.LoadAllData(pStream, FALSE, m_SrcWidth * m_SrcHeight * m_Bpp,
                            TRUE);
    m_pDecoder = NULL;
    if (!m_StreamAcc.GetImageDecoder().IsEmpty()) {
        if (m_StreamAcc.GetImageDecoder() == FX_BSTRC("DCTDecode")) {
            const CPDF_Dictionary* pParam = m_StreamAcc.GetImageParam();
            m_pDecoder = CPDF_ModuleMgr::Get()->GetJpegModule()->CreateDecoder(
                             m_StreamAcc.GetData(), m_StreamAcc.GetSize(), m_SrcWidth, m_SrcHeight,
                             m_Bpp,
                             pParam ? pParam->GetInteger(FX_BSTRC("ColorTransform"), 1) : 1);
        } else if (m_StreamAcc.GetImageDecoder() == FX_BSTRC("FlateDecode")) {
            m_pDecoder = FPDFAPI_CreateFlateDecoder(
                             m_StreamAcc.GetData(), m_StreamAcc.GetSize(), m_SrcWidth, m_SrcHeight,
                             m_Bpp, 8, m_StreamAcc.GetImageParam());
        } else {
            return FALSE;
        }
        m_pDecoder->DownScale(m_DestWidth, m_DestHeight);
    }
    m_pBitmap = new CFX_DIBitmap;
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
    m_pBitmap->Create(m_ResultWidth, m_ResultHeight, FXDIB_Rgb32);
#else
    m_pBitmap->Create(m_ResultWidth, m_ResultHeight, FXDIB_Rgb);
#endif
    m_LineIndex = 0;
    return TRUE;
}
Beispiel #21
0
CPDF_ColorSpace* CPDF_DocPageData::GetColorSpace(CPDF_Object* pCSObj, CPDF_Dictionary* pResources)
{
    if (!pCSObj) {
        return NULL;
    }
    if (pCSObj->GetType() == PDFOBJ_NAME) {
        CFX_ByteString name = pCSObj->GetConstString();
        CPDF_ColorSpace* pCS = _CSFromName(name);
        if (!pCS && pResources) {
            CPDF_Dictionary* pList = pResources->GetDict(FX_BSTRC("ColorSpace"));
            if (pList) {
                pCSObj = pList->GetElementValue(name);
                return GetColorSpace(pCSObj, NULL);
            }
        }
        if (pCS == NULL || pResources == NULL) {
            return pCS;
        }
        CPDF_Dictionary* pColorSpaces = pResources->GetDict(FX_BSTRC("ColorSpace"));
        if (pColorSpaces == NULL) {
            return pCS;
        }
        CPDF_Object* pDefaultCS = NULL;
        switch (pCS->GetFamily()) {
        case PDFCS_DEVICERGB:
            pDefaultCS = pColorSpaces->GetElementValue(FX_BSTRC("DefaultRGB"));
            break;
        case PDFCS_DEVICEGRAY:
            pDefaultCS = pColorSpaces->GetElementValue(FX_BSTRC("DefaultGray"));
            break;
        case PDFCS_DEVICECMYK:
            pDefaultCS = pColorSpaces->GetElementValue(FX_BSTRC("DefaultCMYK"));
            break;
        }
        if (pDefaultCS == NULL) {
            return pCS;
        }
        return GetColorSpace(pDefaultCS, NULL);
    }
    if (pCSObj->GetType() != PDFOBJ_ARRAY) {
        return NULL;
    }
    CPDF_Array* pArray = (CPDF_Array*)pCSObj;
    if (pArray->GetCount() == 0) {
        return NULL;
    }
    if (pArray->GetCount() == 1) {
        return GetColorSpace(pArray->GetElementValue(0), pResources);
    }
    CPDF_CountedObject<CPDF_ColorSpace*>* csData = NULL;
    if (m_ColorSpaceMap.Lookup(pCSObj, csData)) {
        if (csData->m_Obj) {
            csData->m_nCount++;
            return csData->m_Obj;
        }
    }
    FX_BOOL bNew = FALSE;
    if (!csData) {
        csData = FX_NEW CPDF_CountedObject<CPDF_ColorSpace*>;
        if (!csData) {
            return NULL;
        }
        bNew = TRUE;
    }
    CPDF_ColorSpace* pCS = CPDF_ColorSpace::Load(m_pPDFDoc, pArray);
    if (!pCS) {
        if (bNew) {
            delete csData;
        }
        return NULL;
    }
    csData->m_nCount = 2;
    csData->m_Obj = pCS;
    m_ColorSpaceMap.SetAt(pCSObj, csData);
    return pCS;
}