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-rw-r--r--core/fpdfapi/page/cpdf_image.cpp42
-rw-r--r--core/fpdfapi/page/cpdf_image.h11
2 files changed, 25 insertions, 28 deletions
diff --git a/core/fpdfapi/page/cpdf_image.cpp b/core/fpdfapi/page/cpdf_image.cpp
index 8a5faa6d0a..5d1d51de89 100644
--- a/core/fpdfapi/page/cpdf_image.cpp
+++ b/core/fpdfapi/page/cpdf_image.cpp
@@ -35,18 +35,19 @@ CPDF_Image::CPDF_Image(CPDF_Document* pDoc,
std::unique_ptr<CPDF_Stream> pStream)
: m_bIsInline(true),
m_pDocument(pDoc),
- m_pStream(pStream.get()),
- m_pOwnedStream(std::move(pStream)) {
- m_pOwnedDict =
- ToDictionary(std::unique_ptr<CPDF_Object>(m_pStream->GetDict()->Clone()));
- m_pDict = m_pOwnedDict.get();
+ m_pStream(std::move(pStream)),
+ m_pDict(ToDictionary(m_pStream->GetDict()->Clone())) {
+ ASSERT(m_pStream.IsOwned());
+ ASSERT(m_pDict.IsOwned());
FinishInitialization();
}
CPDF_Image::CPDF_Image(CPDF_Document* pDoc, uint32_t dwStreamObjNum)
: m_pDocument(pDoc),
- m_pStream(ToStream(pDoc->GetIndirectObject(dwStreamObjNum))) {
- m_pDict = m_pStream->GetDict();
+ m_pStream(ToStream(pDoc->GetIndirectObject(dwStreamObjNum))),
+ m_pDict(m_pStream->GetDict()) {
+ ASSERT(!m_pStream.IsOwned());
+ ASSERT(!m_pDict.IsOwned());
FinishInitialization();
}
@@ -65,8 +66,8 @@ void CPDF_Image::ConvertStreamToIndirectObject() {
if (!m_pStream->IsInline())
return;
- ASSERT(m_pOwnedStream);
- m_pDocument->AddIndirectObject(std::move(m_pOwnedStream));
+ ASSERT(m_pStream.IsOwned());
+ m_pDocument->AddIndirectObject(m_pStream.Release());
}
std::unique_ptr<CPDF_Dictionary> CPDF_Image::InitJPEG(uint8_t* pData,
@@ -110,10 +111,8 @@ std::unique_ptr<CPDF_Dictionary> CPDF_Image::InitJPEG(uint8_t* pData,
m_bIsMask = false;
m_Width = width;
m_Height = height;
- if (!m_pStream) {
- m_pOwnedStream = pdfium::MakeUnique<CPDF_Stream>();
- m_pStream = m_pOwnedStream.get();
- }
+ if (!m_pStream)
+ m_pStream = pdfium::MakeUnique<CPDF_Stream>();
return pDict;
}
@@ -291,10 +290,9 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap) {
dest_offset = 0;
}
}
- if (!m_pStream) {
- m_pOwnedStream = pdfium::MakeUnique<CPDF_Stream>();
- m_pStream = m_pOwnedStream.get();
- }
+ if (!m_pStream)
+ m_pStream = pdfium::MakeUnique<CPDF_Stream>();
+
m_pStream->InitStream(dest_buf, dest_size, std::move(pDict));
m_bIsMask = pBitmap->IsAlphaMask();
m_Width = BitmapWidth;
@@ -303,7 +301,7 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap) {
}
void CPDF_Image::ResetCache(CPDF_Page* pPage, const CFX_DIBitmap* pBitmap) {
- pPage->GetRenderCache()->ResetBitmap(m_pStream, pBitmap);
+ pPage->GetRenderCache()->ResetBitmap(m_pStream.Get(), pBitmap);
}
CFX_DIBSource* CPDF_Image::LoadDIBSource(CFX_DIBSource** ppMask,
@@ -312,7 +310,7 @@ CFX_DIBSource* CPDF_Image::LoadDIBSource(CFX_DIBSource** ppMask,
uint32_t GroupFamily,
bool bLoadMask) const {
auto source = pdfium::MakeUnique<CPDF_DIBSource>();
- if (source->Load(m_pDocument, m_pStream,
+ if (source->Load(m_pDocument, m_pStream.Get(),
reinterpret_cast<CPDF_DIBSource**>(ppMask), pMatteColor,
nullptr, nullptr, bStdCS, GroupFamily, bLoadMask)) {
return source.release();
@@ -338,9 +336,9 @@ bool CPDF_Image::StartLoadDIBSource(CPDF_Dictionary* pFormResource,
uint32_t GroupFamily,
bool bLoadMask) {
auto source = pdfium::MakeUnique<CPDF_DIBSource>();
- int ret =
- source->StartLoadDIBSource(m_pDocument, m_pStream, true, pFormResource,
- pPageResource, bStdCS, GroupFamily, bLoadMask);
+ int ret = source->StartLoadDIBSource(m_pDocument, m_pStream.Get(), true,
+ pFormResource, pPageResource, bStdCS,
+ GroupFamily, bLoadMask);
if (ret == 2) {
m_pDIBSource = source.release();
return true;
diff --git a/core/fpdfapi/page/cpdf_image.h b/core/fpdfapi/page/cpdf_image.h
index 3438e2b98e..38c7e3e728 100644
--- a/core/fpdfapi/page/cpdf_image.h
+++ b/core/fpdfapi/page/cpdf_image.h
@@ -10,6 +10,7 @@
#include <memory>
#include "core/fpdfapi/parser/cpdf_stream.h"
+#include "core/fxcrt/cfx_maybe_owned.h"
#include "core/fxcrt/fx_system.h"
class CFX_DIBSource;
@@ -28,8 +29,8 @@ class CPDF_Image {
void ConvertStreamToIndirectObject();
- CPDF_Dictionary* GetInlineDict() const { return m_pDict; }
- CPDF_Stream* GetStream() const { return m_pStream; }
+ CPDF_Dictionary* GetInlineDict() const { return m_pDict.Get(); }
+ CPDF_Stream* GetStream() const { return m_pStream.Get(); }
CPDF_Dictionary* GetDict() const {
return m_pStream ? m_pStream->GetDict() : nullptr;
}
@@ -77,10 +78,8 @@ class CPDF_Image {
bool m_bIsMask = false;
bool m_bInterpolate = false;
CPDF_Document* const m_pDocument;
- CPDF_Stream* m_pStream = nullptr;
- CPDF_Dictionary* m_pDict = nullptr;
- std::unique_ptr<CPDF_Stream> m_pOwnedStream;
- std::unique_ptr<CPDF_Dictionary> m_pOwnedDict;
+ CFX_MaybeOwned<CPDF_Stream> m_pStream;
+ CFX_MaybeOwned<CPDF_Dictionary> m_pDict;
CPDF_Dictionary* m_pOC = nullptr;
};