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-rw-r--r--core/fpdfapi/page/cpdf_image.cpp26
-rw-r--r--core/fpdfapi/page/cpdf_image.h4
-rw-r--r--core/fpdfapi/render/cpdf_dibsource.cpp2
-rw-r--r--core/fxcodec/jbig2/JBig2_Image.cpp4
-rw-r--r--core/fxcrt/maybe_owned.h22
5 files changed, 30 insertions, 28 deletions
diff --git a/core/fpdfapi/page/cpdf_image.cpp b/core/fpdfapi/page/cpdf_image.cpp
index 65ca78e08e..5f82886a9b 100644
--- a/core/fpdfapi/page/cpdf_image.cpp
+++ b/core/fpdfapi/page/cpdf_image.cpp
@@ -35,33 +35,27 @@ CPDF_Image::CPDF_Image(CPDF_Document* pDoc) : m_pDocument(pDoc) {}
CPDF_Image::CPDF_Image(CPDF_Document* pDoc,
std::unique_ptr<CPDF_Stream> pStream)
- : m_bIsInline(true),
- m_pDocument(pDoc),
- m_pStream(std::move(pStream)),
- m_pDict(ToDictionary(m_pStream->GetDict()->Clone())) {
+ : m_bIsInline(true), m_pDocument(pDoc), m_pStream(std::move(pStream)) {
ASSERT(m_pStream.IsOwned());
- ASSERT(m_pDict.IsOwned());
- FinishInitialization();
+ FinishInitialization(m_pStream->GetDict());
}
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))) {
ASSERT(!m_pStream.IsOwned());
- ASSERT(!m_pDict.IsOwned());
- FinishInitialization();
+ FinishInitialization(m_pStream->GetDict());
}
CPDF_Image::~CPDF_Image() {}
-void CPDF_Image::FinishInitialization() {
- m_pOC = m_pDict->GetDictFor("OC");
+void CPDF_Image::FinishInitialization(CPDF_Dictionary* pDict) {
+ m_pOC = pDict->GetDictFor("OC");
m_bIsMask =
- !m_pDict->KeyExist("ColorSpace") || m_pDict->GetIntegerFor("ImageMask");
- m_bInterpolate = !!m_pDict->GetIntegerFor("Interpolate");
- m_Height = m_pDict->GetIntegerFor("Height");
- m_Width = m_pDict->GetIntegerFor("Width");
+ !pDict->KeyExist("ColorSpace") || pDict->GetIntegerFor("ImageMask");
+ m_bInterpolate = !!pDict->GetIntegerFor("Interpolate");
+ m_Height = pDict->GetIntegerFor("Height");
+ m_Width = pDict->GetIntegerFor("Width");
}
void CPDF_Image::ConvertStreamToIndirectObject() {
diff --git a/core/fpdfapi/page/cpdf_image.h b/core/fpdfapi/page/cpdf_image.h
index 23864bbf6c..57cbe94ca2 100644
--- a/core/fpdfapi/page/cpdf_image.h
+++ b/core/fpdfapi/page/cpdf_image.h
@@ -29,7 +29,6 @@ class CPDF_Image : public Retainable {
void ConvertStreamToIndirectObject();
- CPDF_Dictionary* GetInlineDict() const { return m_pDict.Get(); }
CPDF_Stream* GetStream() const { return m_pStream.Get(); }
CPDF_Dictionary* GetDict() const;
CPDF_Dictionary* GetOC() const { return m_pOC.Get(); }
@@ -68,7 +67,7 @@ class CPDF_Image : public Retainable {
CPDF_Image(CPDF_Document* pDoc, uint32_t dwStreamObjNum);
~CPDF_Image() override;
- void FinishInitialization();
+ void FinishInitialization(CPDF_Dictionary* pStreamDict);
std::unique_ptr<CPDF_Dictionary> InitJPEG(uint8_t* pData, uint32_t size);
int32_t m_Height = 0;
@@ -78,7 +77,6 @@ class CPDF_Image : public Retainable {
bool m_bInterpolate = false;
UnownedPtr<CPDF_Document> const m_pDocument;
MaybeOwned<CPDF_Stream> m_pStream;
- MaybeOwned<CPDF_Dictionary> m_pDict;
UnownedPtr<CPDF_Dictionary> m_pOC;
};
diff --git a/core/fpdfapi/render/cpdf_dibsource.cpp b/core/fpdfapi/render/cpdf_dibsource.cpp
index aff63d102d..48715d2ecb 100644
--- a/core/fpdfapi/render/cpdf_dibsource.cpp
+++ b/core/fpdfapi/render/cpdf_dibsource.cpp
@@ -341,9 +341,9 @@ int CPDF_DIBSource::ContinueLoadDIBSource(IFX_PauseIndicator* pPause) {
}
if (iDecodeStatus < 0) {
+ m_pJbig2Context.reset();
m_pCachedBitmap.Reset();
m_pGlobalStream.Reset();
- m_pJbig2Context.reset();
return 0;
}
if (iDecodeStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE)
diff --git a/core/fxcodec/jbig2/JBig2_Image.cpp b/core/fxcodec/jbig2/JBig2_Image.cpp
index b0d75d4d96..d229e0ca01 100644
--- a/core/fxcodec/jbig2/JBig2_Image.cpp
+++ b/core/fxcodec/jbig2/JBig2_Image.cpp
@@ -234,8 +234,8 @@ void CJBig2_Image::expand(int32_t h, bool v) {
return;
if (m_pData.IsOwned()) {
- m_pData.Reset(std::unique_ptr<uint8_t, FxFreeDeleter>(
- FX_Realloc(uint8_t, m_pData.Release().release(), h * m_nStride)));
+ m_pData.Reset(std::unique_ptr<uint8_t, FxFreeDeleter>(FX_Realloc(
+ uint8_t, m_pData.ReleaseAndClear().release(), h * m_nStride)));
} else {
uint8_t* pExternalBuffer = data();
m_pData.Reset(std::unique_ptr<uint8_t, FxFreeDeleter>(
diff --git a/core/fxcrt/maybe_owned.h b/core/fxcrt/maybe_owned.h
index 11dd68642d..130d2bdc3c 100644
--- a/core/fxcrt/maybe_owned.h
+++ b/core/fxcrt/maybe_owned.h
@@ -11,6 +11,7 @@
#include "core/fxcrt/fx_memory.h"
#include "core/fxcrt/fx_system.h"
+#include "core/fxcrt/unowned_ptr.h"
namespace fxcrt {
@@ -33,25 +34,34 @@ class MaybeOwned {
}
void Reset(std::unique_ptr<T, D> ptr) {
+ m_pObj = ptr.get();
m_pOwnedObj = std::move(ptr);
- m_pObj = m_pOwnedObj.get();
}
void Reset(T* ptr = nullptr) {
- m_pOwnedObj.reset();
m_pObj = ptr;
+ m_pOwnedObj.reset();
}
+ T* Get() const { return m_pObj.Get(); }
bool IsOwned() const { return !!m_pOwnedObj; }
- T* Get() const { return m_pObj; }
+
+ // Downgrades to unowned, caller takes ownership.
std::unique_ptr<T, D> Release() {
ASSERT(IsOwned());
return std::move(m_pOwnedObj);
}
+ // Downgrades to empty, caller takes ownership.
+ std::unique_ptr<T, D> ReleaseAndClear() {
+ ASSERT(IsOwned());
+ m_pObj = nullptr;
+ return std::move(m_pOwnedObj);
+ }
+
MaybeOwned& operator=(const MaybeOwned& that) = delete;
MaybeOwned& operator=(MaybeOwned&& that) {
- m_pOwnedObj = std::move(that.m_pOwnedObj);
m_pObj = that.m_pObj;
+ m_pOwnedObj = std::move(that.m_pOwnedObj);
that.m_pObj = nullptr;
return *this;
}
@@ -78,11 +88,11 @@ class MaybeOwned {
explicit operator bool() const { return !!m_pObj; }
T& operator*() const { return *m_pObj; }
- T* operator->() const { return m_pObj; }
+ T* operator->() const { return m_pObj.Get(); }
private:
std::unique_ptr<T, D> m_pOwnedObj;
- T* m_pObj;
+ UnownedPtr<T> m_pObj;
};
} // namespace fxcrt
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 16:49:40 +0000