summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--core/fpdfapi/page/cpdf_contentparser.cpp15
-rw-r--r--core/fpdfapi/page/cpdf_contentparser.h1
-rw-r--r--core/fpdfapi/page/cpdf_formobject.cpp7
-rw-r--r--core/fpdfapi/page/cpdf_formobject.h4
-rw-r--r--core/fpdfapi/page/cpdf_imageobject.cpp5
-rw-r--r--core/fpdfapi/page/cpdf_imageobject.h1
-rw-r--r--core/fpdfapi/page/cpdf_pageobject.cpp7
-rw-r--r--core/fpdfapi/page/cpdf_pageobject.h12
-rw-r--r--core/fpdfapi/page/cpdf_pathobject.cpp5
-rw-r--r--core/fpdfapi/page/cpdf_pathobject.h1
-rw-r--r--core/fpdfapi/page/cpdf_shadingobject.cpp5
-rw-r--r--core/fpdfapi/page/cpdf_shadingobject.h4
-rw-r--r--core/fpdfapi/page/cpdf_streamcontentparser.cpp41
-rw-r--r--core/fpdfapi/page/cpdf_streamcontentparser.h7
-rw-r--r--core/fpdfapi/page/cpdf_textobject.cpp5
-rw-r--r--core/fpdfapi/page/cpdf_textobject.h1
-rw-r--r--fpdfsdk/fpdf_edit_embeddertest.cpp29
-rw-r--r--testing/resources/split_streams.in124
-rw-r--r--testing/resources/split_streams.pdf142
19 files changed, 388 insertions, 28 deletions
diff --git a/core/fpdfapi/page/cpdf_contentparser.cpp b/core/fpdfapi/page/cpdf_contentparser.cpp
index 77cfade1da..2bb376e841 100644
--- a/core/fpdfapi/page/cpdf_contentparser.cpp
+++ b/core/fpdfapi/page/cpdf_contentparser.cpp
@@ -164,11 +164,13 @@ CPDF_ContentParser::Stage CPDF_ContentParser::PrepareContent() {
FX_SAFE_UINT32 safeSize = 0;
for (const auto& stream : m_StreamArray) {
+ m_StreamSegmentOffsets.push_back(safeSize.ValueOrDie());
+
safeSize += stream->GetSize();
safeSize += 1;
+ if (!safeSize.IsValid())
+ return Stage::kComplete;
}
- if (!safeSize.IsValid())
- return Stage::kComplete;
m_Size = safeSize.ValueOrDie();
m_pData.Reset(
@@ -198,9 +200,12 @@ CPDF_ContentParser::Stage CPDF_ContentParser::Parse() {
if (m_CurrentOffset >= m_Size)
return Stage::kCheckClip;
- m_CurrentOffset +=
- m_pParser->Parse(m_pData.Get() + m_CurrentOffset,
- m_Size - m_CurrentOffset, PARSE_STEP_LIMIT);
+ if (m_StreamSegmentOffsets.empty())
+ m_StreamSegmentOffsets.push_back(0);
+
+ m_CurrentOffset += m_pParser->Parse(m_pData.Get() + m_CurrentOffset,
+ m_Size - m_CurrentOffset,
+ PARSE_STEP_LIMIT, m_StreamSegmentOffsets);
return Stage::kParse;
}
diff --git a/core/fpdfapi/page/cpdf_contentparser.h b/core/fpdfapi/page/cpdf_contentparser.h
index f9b491defa..b5db5d5e13 100644
--- a/core/fpdfapi/page/cpdf_contentparser.h
+++ b/core/fpdfapi/page/cpdf_contentparser.h
@@ -58,6 +58,7 @@ class CPDF_ContentParser {
UnownedPtr<CPDF_Type3Char> m_pType3Char; // Only used when parsing forms.
RetainPtr<CPDF_StreamAcc> m_pSingleStream;
std::vector<RetainPtr<CPDF_StreamAcc>> m_StreamArray;
+ std::vector<uint32_t> m_StreamSegmentOffsets;
MaybeOwned<uint8_t, FxFreeDeleter> m_pData;
uint32_t m_nStreams = 0;
uint32_t m_Size = 0;
diff --git a/core/fpdfapi/page/cpdf_formobject.cpp b/core/fpdfapi/page/cpdf_formobject.cpp
index eca92ca0ff..22ac0d3823 100644
--- a/core/fpdfapi/page/cpdf_formobject.cpp
+++ b/core/fpdfapi/page/cpdf_formobject.cpp
@@ -10,9 +10,12 @@
#include "core/fpdfapi/page/cpdf_form.h"
-CPDF_FormObject::CPDF_FormObject(std::unique_ptr<CPDF_Form> pForm,
+CPDF_FormObject::CPDF_FormObject(int32_t content_stream,
+ std::unique_ptr<CPDF_Form> pForm,
const CFX_Matrix& matrix)
- : m_pForm(std::move(pForm)), m_FormMatrix(matrix) {}
+ : CPDF_PageObject(content_stream),
+ m_pForm(std::move(pForm)),
+ m_FormMatrix(matrix) {}
CPDF_FormObject::~CPDF_FormObject() {}
diff --git a/core/fpdfapi/page/cpdf_formobject.h b/core/fpdfapi/page/cpdf_formobject.h
index c723cc0eaf..b229dce444 100644
--- a/core/fpdfapi/page/cpdf_formobject.h
+++ b/core/fpdfapi/page/cpdf_formobject.h
@@ -16,7 +16,9 @@ class CPDF_Form;
class CPDF_FormObject : public CPDF_PageObject {
public:
- CPDF_FormObject(std::unique_ptr<CPDF_Form> pForm, const CFX_Matrix& matrix);
+ CPDF_FormObject(int32_t content_stream,
+ std::unique_ptr<CPDF_Form> pForm,
+ const CFX_Matrix& matrix);
~CPDF_FormObject() override;
// CPDF_PageObject:
diff --git a/core/fpdfapi/page/cpdf_imageobject.cpp b/core/fpdfapi/page/cpdf_imageobject.cpp
index 3b5a740155..516a6e8cad 100644
--- a/core/fpdfapi/page/cpdf_imageobject.cpp
+++ b/core/fpdfapi/page/cpdf_imageobject.cpp
@@ -12,7 +12,10 @@
#include "core/fpdfapi/page/cpdf_image.h"
#include "core/fpdfapi/parser/cpdf_document.h"
-CPDF_ImageObject::CPDF_ImageObject() {}
+CPDF_ImageObject::CPDF_ImageObject(int32_t content_stream)
+ : CPDF_PageObject(content_stream) {}
+
+CPDF_ImageObject::CPDF_ImageObject() : CPDF_ImageObject(kNoContentStream) {}
CPDF_ImageObject::~CPDF_ImageObject() {
MaybePurgeCache();
diff --git a/core/fpdfapi/page/cpdf_imageobject.h b/core/fpdfapi/page/cpdf_imageobject.h
index 16a506e537..d54ef8d818 100644
--- a/core/fpdfapi/page/cpdf_imageobject.h
+++ b/core/fpdfapi/page/cpdf_imageobject.h
@@ -16,6 +16,7 @@ class CPDF_Image;
class CPDF_ImageObject : public CPDF_PageObject {
public:
+ explicit CPDF_ImageObject(int32_t content_stream);
CPDF_ImageObject();
~CPDF_ImageObject() override;
diff --git a/core/fpdfapi/page/cpdf_pageobject.cpp b/core/fpdfapi/page/cpdf_pageobject.cpp
index 8bb5bf5978..604309f6e6 100644
--- a/core/fpdfapi/page/cpdf_pageobject.cpp
+++ b/core/fpdfapi/page/cpdf_pageobject.cpp
@@ -6,7 +6,12 @@
#include "core/fpdfapi/page/cpdf_pageobject.h"
-CPDF_PageObject::CPDF_PageObject() : m_bDirty(false) {}
+constexpr int32_t CPDF_PageObject::kNoContentStream;
+
+CPDF_PageObject::CPDF_PageObject(int32_t content_stream)
+ : m_bDirty(false), m_ContentStream(content_stream) {}
+
+CPDF_PageObject::CPDF_PageObject() : CPDF_PageObject(kNoContentStream) {}
CPDF_PageObject::~CPDF_PageObject() {}
diff --git a/core/fpdfapi/page/cpdf_pageobject.h b/core/fpdfapi/page/cpdf_pageobject.h
index d23cd971f8..39e7629541 100644
--- a/core/fpdfapi/page/cpdf_pageobject.h
+++ b/core/fpdfapi/page/cpdf_pageobject.h
@@ -28,6 +28,9 @@ class CPDF_PageObject : public CPDF_GraphicStates {
FORM,
};
+ static constexpr int32_t kNoContentStream = -1;
+
+ explicit CPDF_PageObject(int32_t content_stream);
CPDF_PageObject();
~CPDF_PageObject() override;
@@ -59,6 +62,14 @@ class CPDF_PageObject : public CPDF_GraphicStates {
}
FX_RECT GetBBox(const CFX_Matrix* pMatrix) const;
+ // Get what content stream the object was parsed from in its page. This number
+ // is the index of the content stream in the "Contents" array, or 0 if there
+ // is a single content stream. If the object is newly created,
+ // kNoContentStream is returned.
+ // If the object is spread among more than one content stream, this is the
+ // index of the last stream.
+ int32_t GetContentStream() const { return m_ContentStream; }
+
float m_Left;
float m_Right;
float m_Top;
@@ -73,6 +84,7 @@ class CPDF_PageObject : public CPDF_GraphicStates {
void operator=(const CPDF_PageObject& src) = delete;
bool m_bDirty;
+ int32_t m_ContentStream;
};
#endif // CORE_FPDFAPI_PAGE_CPDF_PAGEOBJECT_H_
diff --git a/core/fpdfapi/page/cpdf_pathobject.cpp b/core/fpdfapi/page/cpdf_pathobject.cpp
index d8c2cb8741..0882dc17f0 100644
--- a/core/fpdfapi/page/cpdf_pathobject.cpp
+++ b/core/fpdfapi/page/cpdf_pathobject.cpp
@@ -6,7 +6,10 @@
#include "core/fpdfapi/page/cpdf_pathobject.h"
-CPDF_PathObject::CPDF_PathObject() : m_FillType(0), m_bStroke(false) {}
+CPDF_PathObject::CPDF_PathObject(int32_t content_stream)
+ : CPDF_PageObject(content_stream), m_FillType(0), m_bStroke(false) {}
+
+CPDF_PathObject::CPDF_PathObject() : CPDF_PathObject(kNoContentStream) {}
CPDF_PathObject::~CPDF_PathObject() {}
diff --git a/core/fpdfapi/page/cpdf_pathobject.h b/core/fpdfapi/page/cpdf_pathobject.h
index 58499b5a53..5155c40c3d 100644
--- a/core/fpdfapi/page/cpdf_pathobject.h
+++ b/core/fpdfapi/page/cpdf_pathobject.h
@@ -14,6 +14,7 @@
class CPDF_PathObject : public CPDF_PageObject {
public:
+ explicit CPDF_PathObject(int32_t content_stream);
CPDF_PathObject();
~CPDF_PathObject() override;
diff --git a/core/fpdfapi/page/cpdf_shadingobject.cpp b/core/fpdfapi/page/cpdf_shadingobject.cpp
index 1b16ac4862..725e2e4591 100644
--- a/core/fpdfapi/page/cpdf_shadingobject.cpp
+++ b/core/fpdfapi/page/cpdf_shadingobject.cpp
@@ -9,9 +9,10 @@
#include "core/fpdfapi/page/cpdf_shadingpattern.h"
#include "core/fpdfapi/parser/cpdf_document.h"
-CPDF_ShadingObject::CPDF_ShadingObject(CPDF_ShadingPattern* pattern,
+CPDF_ShadingObject::CPDF_ShadingObject(int32_t content_stream,
+ CPDF_ShadingPattern* pattern,
const CFX_Matrix& matrix)
- : m_pShading(pattern), m_Matrix(matrix) {}
+ : CPDF_PageObject(content_stream), m_pShading(pattern), m_Matrix(matrix) {}
CPDF_ShadingObject::~CPDF_ShadingObject() {}
diff --git a/core/fpdfapi/page/cpdf_shadingobject.h b/core/fpdfapi/page/cpdf_shadingobject.h
index 80e062c729..69b606749d 100644
--- a/core/fpdfapi/page/cpdf_shadingobject.h
+++ b/core/fpdfapi/page/cpdf_shadingobject.h
@@ -15,7 +15,9 @@ class CPDF_ShadingPattern;
class CPDF_ShadingObject : public CPDF_PageObject {
public:
- CPDF_ShadingObject(CPDF_ShadingPattern* pattern, const CFX_Matrix& matrix);
+ CPDF_ShadingObject(int32_t content_stream,
+ CPDF_ShadingPattern* pattern,
+ const CFX_Matrix& matrix);
~CPDF_ShadingObject() override;
// CPDF_PageObject:
diff --git a/core/fpdfapi/page/cpdf_streamcontentparser.cpp b/core/fpdfapi/page/cpdf_streamcontentparser.cpp
index 7562fb37a6..0cc81f1e9b 100644
--- a/core/fpdfapi/page/cpdf_streamcontentparser.cpp
+++ b/core/fpdfapi/page/cpdf_streamcontentparser.cpp
@@ -785,7 +785,8 @@ void CPDF_StreamContentParser::AddForm(CPDF_Stream* pStream) {
CFX_Matrix matrix = m_pCurStates->m_CTM;
matrix.Concat(m_mtContentToUser);
- auto pFormObj = pdfium::MakeUnique<CPDF_FormObject>(std::move(form), matrix);
+ auto pFormObj = pdfium::MakeUnique<CPDF_FormObject>(GetCurrentStreamIndex(),
+ std::move(form), matrix);
if (!m_pObjectHolder->BackgroundAlphaNeeded() &&
pFormObj->form()->BackgroundAlphaNeeded()) {
m_pObjectHolder->SetBackgroundAlphaNeeded(true);
@@ -800,14 +801,16 @@ CPDF_ImageObject* CPDF_StreamContentParser::AddImage(
if (!pStream)
return nullptr;
- auto pImageObj = pdfium::MakeUnique<CPDF_ImageObject>();
+ auto pImageObj =
+ pdfium::MakeUnique<CPDF_ImageObject>(GetCurrentStreamIndex());
pImageObj->SetImage(
pdfium::MakeRetain<CPDF_Image>(m_pDocument.Get(), std::move(pStream)));
return AddImageObject(std::move(pImageObj));
}
CPDF_ImageObject* CPDF_StreamContentParser::AddImage(uint32_t streamObjNum) {
- auto pImageObj = pdfium::MakeUnique<CPDF_ImageObject>();
+ auto pImageObj =
+ pdfium::MakeUnique<CPDF_ImageObject>(GetCurrentStreamIndex());
pImageObj->SetImage(m_pDocument->LoadImageFromPageData(streamObjNum));
return AddImageObject(std::move(pImageObj));
}
@@ -817,7 +820,8 @@ CPDF_ImageObject* CPDF_StreamContentParser::AddImage(
if (!pImage)
return nullptr;
- auto pImageObj = pdfium::MakeUnique<CPDF_ImageObject>();
+ auto pImageObj =
+ pdfium::MakeUnique<CPDF_ImageObject>(GetCurrentStreamIndex());
pImageObj->SetImage(
m_pDocument->GetPageData()->GetImage(pImage->GetStream()->GetObjNum()));
@@ -1084,7 +1088,8 @@ void CPDF_StreamContentParser::Handle_ShadeFill() {
CFX_Matrix matrix = m_pCurStates->m_CTM;
matrix.Concat(m_mtContentToUser);
- auto pObj = pdfium::MakeUnique<CPDF_ShadingObject>(pShading, matrix);
+ auto pObj = pdfium::MakeUnique<CPDF_ShadingObject>(GetCurrentStreamIndex(),
+ pShading, matrix);
SetGraphicStates(pObj.get(), false, false, false);
CFX_FloatRect bbox =
pObj->m_ClipPath.HasRef() ? pObj->m_ClipPath.GetClipBox() : m_BBox;
@@ -1219,7 +1224,7 @@ void CPDF_StreamContentParser::AddTextObject(ByteString* pStrs,
pFont->IsType3Font() ? TextRenderingMode::MODE_FILL
: m_pCurStates->m_TextState.GetTextMode();
{
- auto pText = pdfium::MakeUnique<CPDF_TextObject>();
+ auto pText = pdfium::MakeUnique<CPDF_TextObject>(GetCurrentStreamIndex());
m_pLastTextObject = pText.get();
SetGraphicStates(m_pLastTextObject.Get(), true, true, true);
if (TextRenderingModeIsStrokeMode(text_mode)) {
@@ -1258,6 +1263,12 @@ void CPDF_StreamContentParser::AddTextObject(ByteString* pStrs,
}
}
+int32_t CPDF_StreamContentParser::GetCurrentStreamIndex() {
+ auto it = std::upper_bound(m_StreamStartOffsets.begin(),
+ m_StreamStartOffsets.end(), m_pSyntax->GetPos());
+ return (it - m_StreamStartOffsets.begin()) - 1;
+}
+
void CPDF_StreamContentParser::Handle_ShowText() {
ByteString str = GetString(0);
if (str.IsEmpty()) {
@@ -1456,7 +1467,8 @@ void CPDF_StreamContentParser::AddPathObject(int FillType, bool bStroke) {
CFX_Matrix matrix = m_pCurStates->m_CTM;
matrix.Concat(m_mtContentToUser);
if (bStroke || FillType) {
- auto pPathObj = pdfium::MakeUnique<CPDF_PathObject>();
+ auto pPathObj =
+ pdfium::MakeUnique<CPDF_PathObject>(GetCurrentStreamIndex());
pPathObj->m_bStroke = bStroke;
pPathObj->m_FillType = FillType;
pPathObj->m_Path = Path;
@@ -1474,22 +1486,27 @@ void CPDF_StreamContentParser::AddPathObject(int FillType, bool bStroke) {
}
}
-uint32_t CPDF_StreamContentParser::Parse(const uint8_t* pData,
- uint32_t dwSize,
- uint32_t max_cost) {
+uint32_t CPDF_StreamContentParser::Parse(
+ const uint8_t* pData,
+ uint32_t dwSize,
+ uint32_t max_cost,
+ const std::vector<uint32_t>& stream_start_offsets) {
if (m_ParsedSet->size() > kMaxFormLevel ||
pdfium::ContainsKey(*m_ParsedSet, pData))
return dwSize;
+ m_StreamStartOffsets = stream_start_offsets;
+
pdfium::ScopedSetInsertion<const uint8_t*> scopedInsert(m_ParsedSet.Get(),
pData);
- uint32_t InitObjCount = m_pObjectHolder->GetPageObjectList()->size();
+ uint32_t init_obj_count = m_pObjectHolder->GetPageObjectList()->size();
CPDF_StreamParser syntax(pdfium::make_span(pData, dwSize),
m_pDocument->GetByteStringPool());
CPDF_StreamParserAutoClearer auto_clearer(&m_pSyntax, &syntax);
while (1) {
- uint32_t cost = m_pObjectHolder->GetPageObjectList()->size() - InitObjCount;
+ uint32_t cost =
+ m_pObjectHolder->GetPageObjectList()->size() - init_obj_count;
if (max_cost && cost >= max_cost) {
break;
}
diff --git a/core/fpdfapi/page/cpdf_streamcontentparser.h b/core/fpdfapi/page/cpdf_streamcontentparser.h
index 438be024cc..adcb2a5b47 100644
--- a/core/fpdfapi/page/cpdf_streamcontentparser.h
+++ b/core/fpdfapi/page/cpdf_streamcontentparser.h
@@ -43,7 +43,10 @@ class CPDF_StreamContentParser {
std::set<const uint8_t*>* parsedSet);
~CPDF_StreamContentParser();
- uint32_t Parse(const uint8_t* pData, uint32_t dwSize, uint32_t max_cost);
+ uint32_t Parse(const uint8_t* pData,
+ uint32_t dwSize,
+ uint32_t max_cost,
+ const std::vector<uint32_t>& stream_start_offsets);
CPDF_PageObjectHolder* GetPageObjectHolder() const {
return m_pObjectHolder.Get();
}
@@ -127,6 +130,7 @@ class CPDF_StreamContentParser {
std::vector<float> GetColors() const;
std::vector<float> GetNamedColors() const;
+ int32_t GetCurrentStreamIndex();
void Handle_CloseFillStrokePath();
void Handle_FillStrokePath();
@@ -230,6 +234,7 @@ class CPDF_StreamContentParser {
std::vector<std::unique_ptr<CPDF_AllStates>> m_StateStack;
float m_Type3Data[6];
ContentParam m_ParamBuf[kParamBufSize];
+ std::vector<uint32_t> m_StreamStartOffsets;
};
#endif // CORE_FPDFAPI_PAGE_CPDF_STREAMCONTENTPARSER_H_
diff --git a/core/fpdfapi/page/cpdf_textobject.cpp b/core/fpdfapi/page/cpdf_textobject.cpp
index 36a4722773..e678d5fc10 100644
--- a/core/fpdfapi/page/cpdf_textobject.cpp
+++ b/core/fpdfapi/page/cpdf_textobject.cpp
@@ -18,7 +18,10 @@ CPDF_TextObjectItem::CPDF_TextObjectItem() : m_CharCode(0) {}
CPDF_TextObjectItem::~CPDF_TextObjectItem() = default;
-CPDF_TextObject::CPDF_TextObject() {}
+CPDF_TextObject::CPDF_TextObject(int32_t content_stream)
+ : CPDF_PageObject(content_stream) {}
+
+CPDF_TextObject::CPDF_TextObject() : CPDF_TextObject(kNoContentStream) {}
CPDF_TextObject::~CPDF_TextObject() {
// Move m_CharCodes to a local variable so it will be captured in crash dumps,
diff --git a/core/fpdfapi/page/cpdf_textobject.h b/core/fpdfapi/page/cpdf_textobject.h
index a6fc62369c..d3b6dcc3de 100644
--- a/core/fpdfapi/page/cpdf_textobject.h
+++ b/core/fpdfapi/page/cpdf_textobject.h
@@ -25,6 +25,7 @@ class CPDF_TextObjectItem {
class CPDF_TextObject : public CPDF_PageObject {
public:
+ explicit CPDF_TextObject(int32_t content_stream);
CPDF_TextObject();
~CPDF_TextObject() override;
diff --git a/fpdfsdk/fpdf_edit_embeddertest.cpp b/fpdfsdk/fpdf_edit_embeddertest.cpp
index dc61c0d974..3d2e090a36 100644
--- a/fpdfsdk/fpdf_edit_embeddertest.cpp
+++ b/fpdfsdk/fpdf_edit_embeddertest.cpp
@@ -9,6 +9,7 @@
#include "core/fpdfapi/font/cpdf_font.h"
#include "core/fpdfapi/page/cpdf_page.h"
+#include "core/fpdfapi/page/cpdf_pageobject.h"
#include "core/fpdfapi/parser/cpdf_array.h"
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_number.h"
@@ -655,6 +656,34 @@ TEST_F(FPDFEditEmbeddertest, DISABLED_RemoveExistingPageObject) {
CloseSavedDocument();
}
+// TODO(pdfium:1051): Extend this test to remove some elements and verify
+// saving works.
+TEST_F(FPDFEditEmbeddertest, GetContentStream) {
+ // Load document with some text split across streams.
+ EXPECT_TRUE(OpenDocument("split_streams.pdf"));
+ FPDF_PAGE page = LoadPage(0);
+ ASSERT_TRUE(page);
+
+ // Content stream 0: page objects 0-14.
+ // Content stream 1: page objects 15-17.
+ // Content stream 2: page object 18.
+ ASSERT_EQ(19, FPDFPage_CountObjects(page));
+ for (int i = 0; i < 19; i++) {
+ FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, i);
+ ASSERT_TRUE(page_object);
+ CPDF_PageObject* cpdf_page_object =
+ CPDFPageObjectFromFPDFPageObject(page_object);
+ if (i < 15)
+ EXPECT_EQ(0, cpdf_page_object->GetContentStream()) << i;
+ else if (i < 18)
+ EXPECT_EQ(1, cpdf_page_object->GetContentStream()) << i;
+ else
+ EXPECT_EQ(2, cpdf_page_object->GetContentStream()) << i;
+ }
+
+ UnloadPage(page);
+}
+
TEST_F(FPDFEditEmbeddertest, InsertPageObjectAndSave) {
// Load document with some text.
EXPECT_TRUE(OpenDocument("hello_world.pdf"));
diff --git a/testing/resources/split_streams.in b/testing/resources/split_streams.in
new file mode 100644
index 0000000000..b13476936b
--- /dev/null
+++ b/testing/resources/split_streams.in
@@ -0,0 +1,124 @@
+{{header}}
+{{object 1 0}}
+<< /Pages 2 0 R /Type /Catalog >>
+endobj
+{{object 2 0}}
+<< /Count 1 /Kids [ 3 0 R ] /MediaBox [ 0 0 200 200 ] /Type /Pages >>
+endobj
+{{object 3 0}}
+<<
+ /Contents 4 0 R
+ /Parent 2 0 R
+ /Resources <<
+ /ExtGState << /FXE1 5 0 R /FXE2 6 0 R >>
+ /Font << /F1 7 0 R /F2 8 0 R /FXF1 9 0 R /FXF2 10 0 R >>
+ >>
+ /Type /Page
+>>
+endobj
+{{object 4 0}}
+[ 12 0 R 13 0 R 14 0 R ]
+endobj
+{{object 5 0}}
+<< /BM /Normal /CA 1 /ca 1 >>
+endobj
+{{object 6 0}}
+<< /ca 0.705882 >>
+endobj
+{{object 7 0}}
+<< /BaseFont /Times-Roman /Subtype /Type1 /Type /Font >>
+endobj
+{{object 8 0}}
+<< /BaseFont /Helvetica /Subtype /Type1 /Type /Font >>
+endobj
+{{object 9 0}}
+<< /BaseFont /Courier-Bold /Subtype /Type1 /Type /Font >>
+endobj
+{{object 10 0}}
+<< /BaseFont /Times-Bold /Subtype /Type1 /Type /Font >>
+endobj
+{{object 12 0}}
+<< {{streamlen}} >>
+stream
+q
+0 0 0 RG 0 0 0 rg 1 w 0 J 0 j
+/FXE1 gs
+q 0 0 0 rg /FXE2 gs BT 1 0 0 1 120 100 Tm /FXF1 9 Tf (Test 1) Tj ET Q
+q 0 0 0.0509804 rg /FXE2 gs
+BT 0.995597 -0.341789 0.341789 0.995597 119.912 93.1642
+Tm /FXF2 9 Tf (Test 2) Tj ET Q
+q 0 0 0.101961 rg /FXE2 gs
+BT 0.872208 -0.678867 0.678867 0.872208 117.444 86.4227
+Tm /FXF1 9 Tf (Test 3) Tj ET Q
+q 0 0 0.156863 rg /FXE2 gs
+BT 0.633308 -0.969351 0.969351 0.633308 112.666 80.613
+Tm /FXF2 9 Tf (Test 4) Tj ET Q
+q 0 0 0.207843 rg /FXE2 gs
+BT 0.297167 -1.17348 1.17348 0.297167 105.943 76.5303
+Tm /FXF1 9 Tf (Test 5) Tj ET Q
+q 0 0 0.262745 rg /FXE2 gs
+BT -0.104311 -1.25884 1.25884 -0.104311 97.9138 74.8231
+Tm /FXF2 9 Tf (Test 6) Tj ET Q
+q 0 0 0.313726 rg /FXE2 gs
+BT -0.528547 -1.20496 1.20496 -0.528547 89.4291 75.9007
+Tm /FXF1 9 Tf (Test 7) Tj ET Q
+q 0 0 0.364706 rg /FXE2 gs
+BT -0.926806 -1.00678 1.00678 -0.926806 81.4639 79.8644
+Tm /FXF2 9 Tf (Test 8) Tj ET Q
+q 0 0 0.419608 rg /FXE2 gs
+BT -1.24978 -0.676346 0.676346 -1.24978 75.0044 86.4731
+Tm /FXF1 9 Tf (Test 9) Tj ET Q
+q 0 0 0.470588 rg /FXE2 gs
+BT -1.45359 -0.24256 0.24256 -1.45359 70.9283 95.1488
+Tm /FXF2 9 Tf (Test 10) Tj ET Q
+q 0 0 0.52549 rg /FXE2 gs
+BT -1.5055 0.251223 -0.251223 -1.5055 69.89 105.024
+Tm /FXF1 9 Tf (Test 11) Tj ET Q
+q 0 0 0.576471 rg /FXE2 gs
+BT -1.38864 0.751496 -0.751496 -1.38864 72.2271 115.03
+Tm /FXF2 9 Tf (Test 12) Tj ET Q
+q 0 0 0.631373 rg /FXE2 gs
+BT -1.10504 1.20039 -1.20039 -1.10504 77.8992 124.008
+Tm /FXF1 9 Tf (Test 13) Tj ET Q
+q 0 0 0.682353 rg /FXE2 gs
+BT -0.67654 1.54236 -1.54236 -0.67654 86.4692 130.847
+Tm /FXF2 9 Tf (Test 14) Tj ET Q
+q 0 0 0.733333 rg /FXE2 gs
+BT -0.143427 1.73091 -1.73091 -0.143427 97.1315 134.618
+Tm /FXF1 9 Tf (Test 15) Tj ET Q
+endstream
+endobj
+
+{{object 13 0}}
+<< {{streamlen}} >>
+stream
+q 0 0 0.788235 rg /FXE2 gs
+BT 0.43929 1.73472 -1.73472 0.43929 108.786 134.694
+Tm /FXF2 9 Tf (Test 16) Tj ET Q
+q 0 0 0.839216 rg /FXE2 gs
+BT 1.00754 1.54215 -1.54215 1.00754 120.151 130.843
+Tm /FXF1 9 Tf (Test 17) Tj ET Q
+q 0 0 0.894118 rg /FXE2 gs
+BT 1.49521 1.16377 -1.16377 1.49521 129.904 123.275
+Tm /FXF2 9 Tf (Test 18) Tj ET Q
+endstream
+endobj
+
+{{object 14 0}}
+<< {{streamlen}} >>
+stream
+q 0 0 0.945098 rg /FXE2 gs
+BT 1.84185 0.632309 -0.632309 1.84185 136.837 112.646
+Tm /FXF1 9 Tf (Test 19) Tj ET Q
+Q
+endstream
+endobj
+
+{{xref}}
+trailer <<
+ /Root 1 0 R
+ /Size 15
+ /ID [<f341ae654a77acd5065a7645e596e6e6><bc37298a3f87f479229bce997ca791f7>]
+>>
+{{startxref}}
+%%EOF
diff --git a/testing/resources/split_streams.pdf b/testing/resources/split_streams.pdf
new file mode 100644
index 0000000000..d1768caa28
--- /dev/null
+++ b/testing/resources/split_streams.pdf
@@ -0,0 +1,142 @@
+%PDF-1.7
+% ò¤ô
+1 0 obj
+<< /Pages 2 0 R /Type /Catalog >>
+endobj
+2 0 obj
+<< /Count 1 /Kids [ 3 0 R ] /MediaBox [ 0 0 200 200 ] /Type /Pages >>
+endobj
+3 0 obj
+<<
+ /Contents 4 0 R
+ /Parent 2 0 R
+ /Resources <<
+ /ExtGState << /FXE1 5 0 R /FXE2 6 0 R >>
+ /Font << /F1 7 0 R /F2 8 0 R /FXF1 9 0 R /FXF2 10 0 R >>
+ >>
+ /Type /Page
+>>
+endobj
+4 0 obj
+[ 12 0 R 13 0 R 14 0 R ]
+endobj
+5 0 obj
+<< /BM /Normal /CA 1 /ca 1 >>
+endobj
+6 0 obj
+<< /ca 0.705882 >>
+endobj
+7 0 obj
+<< /BaseFont /Times-Roman /Subtype /Type1 /Type /Font >>
+endobj
+8 0 obj
+<< /BaseFont /Helvetica /Subtype /Type1 /Type /Font >>
+endobj
+9 0 obj
+<< /BaseFont /Courier-Bold /Subtype /Type1 /Type /Font >>
+endobj
+10 0 obj
+<< /BaseFont /Times-Bold /Subtype /Type1 /Type /Font >>
+endobj
+12 0 obj
+<< /Length 1699 >>
+stream
+q
+0 0 0 RG 0 0 0 rg 1 w 0 J 0 j
+/FXE1 gs
+q 0 0 0 rg /FXE2 gs BT 1 0 0 1 120 100 Tm /FXF1 9 Tf (Test 1) Tj ET Q
+q 0 0 0.0509804 rg /FXE2 gs
+BT 0.995597 -0.341789 0.341789 0.995597 119.912 93.1642
+Tm /FXF2 9 Tf (Test 2) Tj ET Q
+q 0 0 0.101961 rg /FXE2 gs
+BT 0.872208 -0.678867 0.678867 0.872208 117.444 86.4227
+Tm /FXF1 9 Tf (Test 3) Tj ET Q
+q 0 0 0.156863 rg /FXE2 gs
+BT 0.633308 -0.969351 0.969351 0.633308 112.666 80.613
+Tm /FXF2 9 Tf (Test 4) Tj ET Q
+q 0 0 0.207843 rg /FXE2 gs
+BT 0.297167 -1.17348 1.17348 0.297167 105.943 76.5303
+Tm /FXF1 9 Tf (Test 5) Tj ET Q
+q 0 0 0.262745 rg /FXE2 gs
+BT -0.104311 -1.25884 1.25884 -0.104311 97.9138 74.8231
+Tm /FXF2 9 Tf (Test 6) Tj ET Q
+q 0 0 0.313726 rg /FXE2 gs
+BT -0.528547 -1.20496 1.20496 -0.528547 89.4291 75.9007
+Tm /FXF1 9 Tf (Test 7) Tj ET Q
+q 0 0 0.364706 rg /FXE2 gs
+BT -0.926806 -1.00678 1.00678 -0.926806 81.4639 79.8644
+Tm /FXF2 9 Tf (Test 8) Tj ET Q
+q 0 0 0.419608 rg /FXE2 gs
+BT -1.24978 -0.676346 0.676346 -1.24978 75.0044 86.4731
+Tm /FXF1 9 Tf (Test 9) Tj ET Q
+q 0 0 0.470588 rg /FXE2 gs
+BT -1.45359 -0.24256 0.24256 -1.45359 70.9283 95.1488
+Tm /FXF2 9 Tf (Test 10) Tj ET Q
+q 0 0 0.52549 rg /FXE2 gs
+BT -1.5055 0.251223 -0.251223 -1.5055 69.89 105.024
+Tm /FXF1 9 Tf (Test 11) Tj ET Q
+q 0 0 0.576471 rg /FXE2 gs
+BT -1.38864 0.751496 -0.751496 -1.38864 72.2271 115.03
+Tm /FXF2 9 Tf (Test 12) Tj ET Q
+q 0 0 0.631373 rg /FXE2 gs
+BT -1.10504 1.20039 -1.20039 -1.10504 77.8992 124.008
+Tm /FXF1 9 Tf (Test 13) Tj ET Q
+q 0 0 0.682353 rg /FXE2 gs
+BT -0.67654 1.54236 -1.54236 -0.67654 86.4692 130.847
+Tm /FXF2 9 Tf (Test 14) Tj ET Q
+q 0 0 0.733333 rg /FXE2 gs
+BT -0.143427 1.73091 -1.73091 -0.143427 97.1315 134.618
+Tm /FXF1 9 Tf (Test 15) Tj ET Q
+endstream
+endobj
+
+13 0 obj
+<< /Length 333 >>
+stream
+q 0 0 0.788235 rg /FXE2 gs
+BT 0.43929 1.73472 -1.73472 0.43929 108.786 134.694
+Tm /FXF2 9 Tf (Test 16) Tj ET Q
+q 0 0 0.839216 rg /FXE2 gs
+BT 1.00754 1.54215 -1.54215 1.00754 120.151 130.843
+Tm /FXF1 9 Tf (Test 17) Tj ET Q
+q 0 0 0.894118 rg /FXE2 gs
+BT 1.49521 1.16377 -1.16377 1.49521 129.904 123.275
+Tm /FXF2 9 Tf (Test 18) Tj ET Q
+endstream
+endobj
+
+14 0 obj
+<< /Length 115 >>
+stream
+q 0 0 0.945098 rg /FXE2 gs
+BT 1.84185 0.632309 -0.632309 1.84185 136.837 112.646
+Tm /FXF1 9 Tf (Test 19) Tj ET Q
+Q
+endstream
+endobj
+
+xref
+0 15
+0000000000 65535 f
+0000000015 00000 n
+0000000064 00000 n
+0000000149 00000 n
+0000000345 00000 n
+0000000385 00000 n
+0000000430 00000 n
+0000000464 00000 n
+0000000536 00000 n
+0000000606 00000 n
+0000000679 00000 n
+0000000000 65535 f
+0000000751 00000 n
+0000002503 00000 n
+0000002888 00000 n
+trailer <<
+ /Root 1 0 R
+ /Size 15
+ /ID [<f341ae654a77acd5065a7645e596e6e6><bc37298a3f87f479229bce997ca791f7>]
+>>
+startxref
+3055
+%%EOF