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-rw-r--r--core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp283
1 files changed, 143 insertions, 140 deletions
diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp
index 65f78dab13..4ce50a8ac4 100644
--- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp
+++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp
@@ -9,156 +9,159 @@
#include "../../../include/fpdfapi/fpdf_module.h"
#include "../fpdf_page/pageint.h"
-CFX_ByteTextBuf& operator << (CFX_ByteTextBuf& ar, CFX_AffineMatrix& matrix)
-{
- ar << matrix.a << " " << matrix.b << " " << matrix.c << " " << matrix.d << " " << matrix.e << " " << matrix.f;
- return ar;
+CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& ar, CFX_AffineMatrix& matrix) {
+ ar << matrix.a << " " << matrix.b << " " << matrix.c << " " << matrix.d << " "
+ << matrix.e << " " << matrix.f;
+ return ar;
}
-CPDF_PageContentGenerate::CPDF_PageContentGenerate(CPDF_Page* pPage) : m_pPage(pPage)
-{
- m_pDocument = NULL;
- if (m_pPage) {
- m_pDocument = m_pPage->m_pDocument;
- }
- FX_POSITION pos = pPage->GetFirstObjectPosition();
- while (pos) {
- InsertPageObject(pPage->GetNextObject(pos));
- }
+CPDF_PageContentGenerate::CPDF_PageContentGenerate(CPDF_Page* pPage)
+ : m_pPage(pPage) {
+ m_pDocument = NULL;
+ if (m_pPage) {
+ m_pDocument = m_pPage->m_pDocument;
+ }
+ FX_POSITION pos = pPage->GetFirstObjectPosition();
+ while (pos) {
+ InsertPageObject(pPage->GetNextObject(pos));
+ }
}
-CPDF_PageContentGenerate::~CPDF_PageContentGenerate()
-{
+CPDF_PageContentGenerate::~CPDF_PageContentGenerate() {}
+FX_BOOL CPDF_PageContentGenerate::InsertPageObject(
+ CPDF_PageObject* pPageObject) {
+ if (!pPageObject) {
+ return FALSE;
+ }
+ return m_pageObjects.Add(pPageObject);
}
-FX_BOOL CPDF_PageContentGenerate::InsertPageObject(CPDF_PageObject* pPageObject)
-{
- if (!pPageObject) {
- return FALSE;
+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;
}
- return m_pageObjects.Add(pPageObject);
+ 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());
}
-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());
-}
-CFX_ByteString CPDF_PageContentGenerate::RealizeResource(CPDF_Object* pResourceObj, const FX_CHAR* szType)
-{
- if (m_pPage->m_pResources == NULL) {
- m_pPage->m_pResources = new CPDF_Dictionary;
- int objnum = m_pDocument->AddIndirectObject(m_pPage->m_pResources);
- m_pPage->m_pFormDict->SetAtReference("Resources", m_pDocument, objnum);
- }
- CPDF_Dictionary* pResList = m_pPage->m_pResources->GetDict(szType);
- if (pResList == NULL) {
- pResList = new CPDF_Dictionary;
- m_pPage->m_pResources->SetAt(szType, pResList);
- }
- m_pDocument->AddIndirectObject(pResourceObj);
- CFX_ByteString name;
- int idnum = 1;
- while (1) {
- name.Format("FX%c%d", szType[0], idnum);
- if (!pResList->KeyExist(name)) {
- break;
- }
- idnum ++;
+CFX_ByteString CPDF_PageContentGenerate::RealizeResource(
+ CPDF_Object* pResourceObj,
+ const FX_CHAR* szType) {
+ if (m_pPage->m_pResources == NULL) {
+ m_pPage->m_pResources = new CPDF_Dictionary;
+ int objnum = m_pDocument->AddIndirectObject(m_pPage->m_pResources);
+ m_pPage->m_pFormDict->SetAtReference("Resources", m_pDocument, objnum);
+ }
+ CPDF_Dictionary* pResList = m_pPage->m_pResources->GetDict(szType);
+ if (pResList == NULL) {
+ pResList = new CPDF_Dictionary;
+ m_pPage->m_pResources->SetAt(szType, pResList);
+ }
+ m_pDocument->AddIndirectObject(pResourceObj);
+ CFX_ByteString name;
+ int idnum = 1;
+ while (1) {
+ name.Format("FX%c%d", szType[0], idnum);
+ if (!pResList->KeyExist(name)) {
+ break;
}
- pResList->AddReference(name, m_pDocument, pResourceObj->GetObjNum());
- return name;
+ idnum++;
+ }
+ pResList->AddReference(name, m_pDocument, pResourceObj->GetObjNum());
+ return name;
}
-void CPDF_PageContentGenerate::ProcessImage(CFX_ByteTextBuf& buf, CPDF_ImageObject* pImageObj)
-{
- if ((pImageObj->m_Matrix.a == 0 && pImageObj->m_Matrix.b == 0) ||
- (pImageObj->m_Matrix.c == 0 && pImageObj->m_Matrix.d == 0)) {
- return;
- }
- buf << "q " << pImageObj->m_Matrix << " cm ";
- if (!pImageObj->m_pImage->IsInline()) {
- CPDF_Stream* pStream = pImageObj->m_pImage->GetStream();
- FX_DWORD dwSavedObjNum = pStream->GetObjNum();
- CFX_ByteString name = RealizeResource(pStream, "XObject");
- if (dwSavedObjNum == 0) {
- if (pImageObj->m_pImage)
- pImageObj->m_pImage->Release();
- pImageObj->m_pImage = m_pDocument->GetPageData()->GetImage(pStream);
- }
- buf << "/" << PDF_NameEncode(name) << " Do Q\n";
- }
-}
-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 ";
+void CPDF_PageContentGenerate::ProcessImage(CFX_ByteTextBuf& buf,
+ CPDF_ImageObject* pImageObj) {
+ if ((pImageObj->m_Matrix.a == 0 && pImageObj->m_Matrix.b == 0) ||
+ (pImageObj->m_Matrix.c == 0 && pImageObj->m_Matrix.d == 0)) {
+ return;
+ }
+ buf << "q " << pImageObj->m_Matrix << " cm ";
+ if (!pImageObj->m_pImage->IsInline()) {
+ CPDF_Stream* pStream = pImageObj->m_pImage->GetStream();
+ FX_DWORD dwSavedObjNum = pStream->GetObjNum();
CFX_ByteString name = RealizeResource(pStream, "XObject");
+ if (dwSavedObjNum == 0) {
+ if (pImageObj->m_pImage)
+ pImageObj->m_pImage->Release();
+ pImageObj->m_pImage = m_pDocument->GetPageData()->GetImage(pStream);
+ }
buf << "/" << PDF_NameEncode(name) << " Do Q\n";
+ }
+}
+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 CPDF_PageContentGenerate::TransformContent(CFX_Matrix& matrix)
-{
- CPDF_Dictionary* pDict = m_pPage->m_pFormDict;
- CPDF_Object* pContent = pDict ? pDict->GetElementValue("Contents") : NULL;
- if (!pContent) {
- return;
+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;
+ int type = pContent->GetType();
+ if (type == PDFOBJ_ARRAY) {
+ CPDF_Array* pArray = (CPDF_Array*)pContent;
+ int iCount = pArray->GetCount();
+ CPDF_StreamAcc** pContentArray =
+ (CPDF_StreamAcc**)FX_Alloc(CPDF_StreamAcc*, iCount);
+ int size = 0;
+ int i = 0;
+ for (i = 0; i < iCount; ++i) {
+ pContent = pArray->GetElement(i);
+ if (!pContent || pContent->GetType() != PDFOBJ_STREAM) {
+ continue;
+ }
+ CPDF_StreamAcc* pStream = new CPDF_StreamAcc();
+ pStream->LoadAllData((CPDF_Stream*)pContent);
+ pContentArray[i] = pStream;
+ size += pContentArray[i]->GetSize() + 1;
}
- CFX_ByteTextBuf buf;
- int type = pContent->GetType();
- if (type == PDFOBJ_ARRAY) {
- CPDF_Array* pArray = (CPDF_Array*)pContent;
- int iCount = pArray->GetCount();
- CPDF_StreamAcc** pContentArray = (CPDF_StreamAcc**)FX_Alloc(CPDF_StreamAcc*, iCount);
- int size = 0;
- int i = 0;
- for (i = 0; i < iCount; ++i) {
- pContent = pArray->GetElement(i);
- if (!pContent || pContent->GetType() != PDFOBJ_STREAM) {
- continue;
- }
- CPDF_StreamAcc* pStream = new CPDF_StreamAcc();
- pStream->LoadAllData((CPDF_Stream*)pContent);
- pContentArray[i] = pStream;
- 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 (type == PDFOBJ_STREAM) {
- CPDF_StreamAcc contentStream;
- contentStream.LoadAllData((CPDF_Stream*)pContent);
- ProcessForm(buf, contentStream.GetData(), contentStream.GetSize(), matrix);
+ 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];
}
- CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL);
- pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE);
- m_pDocument->AddIndirectObject(pStream);
- m_pPage->m_pFormDict->SetAtReference("Contents", m_pDocument, pStream->GetObjNum());
+ ProcessForm(buf, pBuf, size, matrix);
+ FX_Free(pBuf);
+ FX_Free(pContentArray);
+ } else if (type == PDFOBJ_STREAM) {
+ CPDF_StreamAcc contentStream;
+ contentStream.LoadAllData((CPDF_Stream*)pContent);
+ ProcessForm(buf, contentStream.GetData(), contentStream.GetSize(), matrix);
+ }
+ CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL);
+ pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE);
+ m_pDocument->AddIndirectObject(pStream);
+ m_pPage->m_pFormDict->SetAtReference("Contents", m_pDocument,
+ pStream->GetObjNum());
}
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