void CPDF_PageContentGenerate::ProcessForm(CFX_ByteTextBuf& buf,
const uint8_t* data,
FX_DWORD size,
CFX_Matrix& matrix) {
if (!data || !size) {
return;
}
CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL);
CPDF_Dictionary* pFormDict = CPDF_Dictionary::Create();
pFormDict->SetAtName("Type", "XObject");
pFormDict->SetAtName("Subtype", "Form");
CFX_FloatRect bbox = m_pPage->GetPageBBox();
matrix.TransformRect(bbox);
pFormDict->SetAtRect("BBox", bbox);
pStream->InitStream((uint8_t*)data, size, pFormDict);
buf << "q " << matrix << " cm ";
CFX_ByteString name = RealizeResource(pStream, "XObject");
buf << "/" << PDF_NameEncode(name) << " Do Q\n";
}
void InitInterFormDict(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument) {
if (!pDocument) {
return;
}
if (!pFormDict) {
pFormDict = new CPDF_Dictionary;
FX_DWORD dwObjNum = pDocument->AddIndirectObject(pFormDict);
CPDF_Dictionary* pRoot = pDocument->GetRoot();
pRoot->SetAtReference("AcroForm", pDocument, dwObjNum);
}
CFX_ByteString csDA;
if (!pFormDict->KeyExist("DR")) {
CPDF_Font* pFont = NULL;
CFX_ByteString csBaseName, csDefault;
uint8_t charSet = CPDF_InterForm::GetNativeCharSet();
pFont = CPDF_InterForm::AddStandardFont(pDocument, "Helvetica");
if (pFont) {
AddInterFormFont(pFormDict, pDocument, pFont, csBaseName);
csDefault = csBaseName;
}
if (charSet != 0) {
CFX_ByteString csFontName = CPDF_InterForm::GetNativeFont(charSet, NULL);
if (!pFont || csFontName != "Helvetica") {
pFont = CPDF_InterForm::AddNativeFont(pDocument);
if (pFont) {
csBaseName = "";
AddInterFormFont(pFormDict, pDocument, pFont, csBaseName);
csDefault = csBaseName;
}
}
}
if (pFont) {
csDA = "/" + PDF_NameEncode(csDefault) + " 0 Tf";
}
}
if (!csDA.IsEmpty()) {
csDA += " ";
}
csDA += "0 g";
if (!pFormDict->KeyExist("DA")) {
pFormDict->SetAtString("DA", csDA);
}
}
void CPDF_PageContentGenerator::ProcessForm(CFX_ByteTextBuf& buf,
const uint8_t* data,
uint32_t size,
CFX_Matrix& matrix) {
if (!data || !size)
return;
CPDF_Dictionary* pFormDict =
new CPDF_Dictionary(m_pDocument->GetByteStringPool());
pFormDict->SetNameFor("Type", "XObject");
pFormDict->SetNameFor("Subtype", "Form");
CFX_FloatRect bbox = m_pPage->GetPageBBox();
matrix.TransformRect(bbox);
pFormDict->SetRectFor("BBox", bbox);
CPDF_Stream* pStream = new CPDF_Stream;
pStream->InitStream(data, size, pFormDict);
buf << "q " << matrix << " cm ";
CFX_ByteString name = RealizeResource(pStream, "XObject");
buf << "/" << PDF_NameEncode(name) << " Do Q\n";
}
CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& buf, const CPDF_Object* pObj) {
if (!pObj) {
buf << " null";
return buf;
}
switch (pObj->GetType()) {
case PDFOBJ_NULL:
buf << " null";
break;
case PDFOBJ_BOOLEAN:
case PDFOBJ_NUMBER:
buf << " " << pObj->GetString();
break;
case PDFOBJ_STRING:
buf << PDF_EncodeString(pObj->GetString(), pObj->AsString()->IsHex());
break;
case PDFOBJ_NAME: {
CFX_ByteString str = pObj->GetString();
buf << "/" << PDF_NameEncode(str);
break;
}
case PDFOBJ_REFERENCE: {
buf << " " << pObj->AsReference()->GetRefObjNum() << " 0 R ";
break;
}
case PDFOBJ_ARRAY: {
const CPDF_Array* p = pObj->AsArray();
buf << "[";
for (FX_DWORD i = 0; i < p->GetCount(); i++) {
CPDF_Object* pElement = p->GetElement(i);
if (pElement->GetObjNum()) {
buf << " " << pElement->GetObjNum() << " 0 R";
} else {
buf << pElement;
}
}
buf << "]";
break;
}
case PDFOBJ_DICTIONARY: {
const CPDF_Dictionary* p = pObj->AsDictionary();
buf << "<<";
for (const auto& it : *p) {
const CFX_ByteString& key = it.first;
CPDF_Object* pValue = it.second;
buf << "/" << PDF_NameEncode(key);
if (pValue && pValue->GetObjNum()) {
buf << " " << pValue->GetObjNum() << " 0 R ";
} else {
buf << pValue;
}
}
buf << ">>";
break;
}
case PDFOBJ_STREAM: {
const CPDF_Stream* p = pObj->AsStream();
buf << p->GetDict() << "stream\r\n";
CPDF_StreamAcc acc;
acc.LoadAllData(p, TRUE);
buf.AppendBlock(acc.GetData(), acc.GetSize());
buf << "\r\nendstream";
break;
}
default:
ASSERT(FALSE);
break;
}
return buf;
}
CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& buf, const CPDF_Object* pObj) {
if (pObj == NULL) {
buf << FX_BSTRC(" null");
return buf;
}
switch (pObj->GetType()) {
case PDFOBJ_NULL:
buf << FX_BSTRC(" null");
break;
case PDFOBJ_BOOLEAN:
case PDFOBJ_NUMBER:
buf << " " << pObj->GetString();
break;
case PDFOBJ_STRING:
buf << PDF_EncodeString(pObj->GetString(), pObj->AsString()->IsHex());
break;
case PDFOBJ_NAME: {
CFX_ByteString str = pObj->GetString();
buf << FX_BSTRC("/") << PDF_NameEncode(str);
break;
}
case PDFOBJ_REFERENCE: {
buf << " " << pObj->AsReference()->GetRefObjNum() << FX_BSTRC(" 0 R ");
break;
}
case PDFOBJ_ARRAY: {
const CPDF_Array* p = pObj->AsArray();
buf << FX_BSTRC("[");
for (FX_DWORD i = 0; i < p->GetCount(); i++) {
CPDF_Object* pElement = p->GetElement(i);
if (pElement->GetObjNum()) {
buf << " " << pElement->GetObjNum() << FX_BSTRC(" 0 R");
} else {
buf << pElement;
}
}
buf << FX_BSTRC("]");
break;
}
case PDFOBJ_DICTIONARY: {
const CPDF_Dictionary* p = pObj->AsDictionary();
buf << FX_BSTRC("<<");
FX_POSITION pos = p->GetStartPos();
while (pos) {
CFX_ByteString key;
CPDF_Object* pValue = p->GetNextElement(pos, key);
buf << FX_BSTRC("/") << PDF_NameEncode(key);
if (pValue && pValue->GetObjNum()) {
buf << " " << pValue->GetObjNum() << FX_BSTRC(" 0 R ");
} else {
buf << pValue;
}
}
buf << FX_BSTRC(">>");
break;
}
case PDFOBJ_STREAM: {
const CPDF_Stream* p = pObj->AsStream();
buf << p->GetDict() << FX_BSTRC("stream\r\n");
CPDF_StreamAcc acc;
acc.LoadAllData(p, TRUE);
buf.AppendBlock(acc.GetData(), acc.GetSize());
buf << FX_BSTRC("\r\nendstream");
break;
}
default:
ASSERT(FALSE);
break;
}
return buf;
}
