diff options
| -rw-r--r-- | fpdfsdk/fpdf_transformpage.cpp | 46 |
1 files changed, 24 insertions, 22 deletions
diff --git a/fpdfsdk/fpdf_transformpage.cpp b/fpdfsdk/fpdf_transformpage.cpp index 52b9fd41df..87f39ed072 100644 --- a/fpdfsdk/fpdf_transformpage.cpp +++ b/fpdfsdk/fpdf_transformpage.cpp @@ -158,28 +158,30 @@ FPDFPage_TransFormWithClip(FPDF_PAGE page, // Need to transform the patterns as well. CPDF_Dictionary* pRes = pPageDict->GetDictFor(pdfium::page_object::kResources); - if (pRes) { - CPDF_Dictionary* pPattenDict = pRes->GetDictFor("Pattern"); - if (pPattenDict) { - for (const auto& it : *pPattenDict) { - CPDF_Object* pObj = it.second.get(); - if (pObj->IsReference()) - pObj = pObj->GetDirect(); - - CPDF_Dictionary* pDict = nullptr; - if (pObj->IsDictionary()) - pDict = pObj->AsDictionary(); - else if (CPDF_Stream* pObjStream = pObj->AsStream()) - pDict = pObjStream->GetDict(); - else - continue; - - CFX_Matrix m = pDict->GetMatrixFor("Matrix"); - CFX_Matrix t = *(CFX_Matrix*)matrix; - m.Concat(t); - pDict->SetMatrixFor("Matrix", m); - } - } + if (!pRes) + return true; + + CPDF_Dictionary* pPattenDict = pRes->GetDictFor("Pattern"); + if (!pPattenDict) + return true; + + for (const auto& it : *pPattenDict) { + CPDF_Object* pObj = it.second.get(); + if (pObj->IsReference()) + pObj = pObj->GetDirect(); + + CPDF_Dictionary* pDict = nullptr; + if (pObj->IsDictionary()) + pDict = pObj->AsDictionary(); + else if (CPDF_Stream* pObjStream = pObj->AsStream()) + pDict = pObjStream->GetDict(); + else + continue; + + CFX_Matrix m = pDict->GetMatrixFor("Matrix"); + m.Concat(CFX_Matrix(matrix->a, matrix->b, matrix->c, matrix->d, matrix->e, + matrix->f)); + pDict->SetMatrixFor("Matrix", m); } return true; |