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-rw-r--r--core/fpdfapi/render/fpdf_render_cache.cpp58
-rw-r--r--core/fpdfapi/render/render_int.h5
2 files changed, 30 insertions, 33 deletions
diff --git a/core/fpdfapi/render/fpdf_render_cache.cpp b/core/fpdfapi/render/fpdf_render_cache.cpp
index d675ce024e..d30de00edb 100644
--- a/core/fpdfapi/render/fpdf_render_cache.cpp
+++ b/core/fpdfapi/render/fpdf_render_cache.cpp
@@ -4,11 +4,13 @@
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-#include "core/fpdfapi/render/cpdf_pagerendercache.h"
+#include <memory>
+#include <utility>
#include "core/fpdfapi/page/cpdf_page.h"
#include "core/fpdfapi/page/pageint.h"
#include "core/fpdfapi/parser/cpdf_document.h"
+#include "core/fpdfapi/render/cpdf_pagerendercache.h"
#include "core/fpdfapi/render/cpdf_rendercontext.h"
#include "core/fpdfapi/render/cpdf_renderstatus.h"
#include "core/fpdfapi/render/render_int.h"
@@ -179,19 +181,14 @@ CPDF_ImageCacheEntry::CPDF_ImageCacheEntry(CPDF_Document* pDoc,
m_pRenderStatus(nullptr),
m_pDocument(pDoc),
m_pStream(pStream),
- m_pCachedBitmap(nullptr),
- m_pCachedMask(nullptr),
m_dwCacheSize(0) {}
-CPDF_ImageCacheEntry::~CPDF_ImageCacheEntry() {
- delete m_pCachedBitmap;
- delete m_pCachedMask;
-}
+
+CPDF_ImageCacheEntry::~CPDF_ImageCacheEntry() {}
+
void CPDF_ImageCacheEntry::Reset(const CFX_DIBitmap* pBitmap) {
- delete m_pCachedBitmap;
- m_pCachedBitmap = nullptr;
- if (pBitmap) {
- m_pCachedBitmap = pBitmap->Clone();
- }
+ m_pCachedBitmap.reset();
+ if (pBitmap)
+ m_pCachedBitmap = pdfium::WrapUnique<CFX_DIBSource>(pBitmap->Clone());
CalcSize();
}
@@ -212,8 +209,8 @@ bool CPDF_ImageCacheEntry::GetCachedBitmap(CFX_DIBSource*& pBitmap,
int32_t downsampleWidth,
int32_t downsampleHeight) {
if (m_pCachedBitmap) {
- pBitmap = m_pCachedBitmap;
- pMask = m_pCachedMask;
+ pBitmap = m_pCachedBitmap.get();
+ pMask = m_pCachedMask.get();
MatteColor = m_MatteColor;
return true;
}
@@ -223,22 +220,21 @@ bool CPDF_ImageCacheEntry::GetCachedBitmap(CFX_DIBSource*& pBitmap,
CPDF_RenderContext* pContext = pRenderStatus->GetContext();
CPDF_PageRenderCache* pPageRenderCache = pContext->GetPageCache();
m_dwTimeCount = pPageRenderCache->GetTimeCount();
- CPDF_DIBSource* pSrc = new CPDF_DIBSource;
+ std::unique_ptr<CPDF_DIBSource> pSrc = pdfium::MakeUnique<CPDF_DIBSource>();
CPDF_DIBSource* pMaskSrc = nullptr;
if (!pSrc->Load(m_pDocument, m_pStream, &pMaskSrc, &MatteColor,
pRenderStatus->m_pFormResource, pPageResources, bStdCS,
GroupFamily, bLoadMask)) {
- delete pSrc;
pBitmap = nullptr;
return false;
}
m_MatteColor = MatteColor;
- m_pCachedBitmap = pSrc;
+ m_pCachedBitmap = std::move(pSrc);
if (pMaskSrc)
- m_pCachedMask = pMaskSrc;
+ m_pCachedMask = pdfium::WrapUnique<CFX_DIBSource>(pMaskSrc);
- pBitmap = m_pCachedBitmap;
- pMask = m_pCachedMask;
+ pBitmap = m_pCachedBitmap.get();
+ pMask = m_pCachedMask.get();
CalcSize();
return false;
}
@@ -262,22 +258,22 @@ int CPDF_ImageCacheEntry::StartGetCachedBitmap(CPDF_Dictionary* pFormResources,
int32_t downsampleWidth,
int32_t downsampleHeight) {
if (m_pCachedBitmap) {
- m_pCurBitmap = m_pCachedBitmap;
- m_pCurMask = m_pCachedMask;
+ m_pCurBitmap = m_pCachedBitmap.get();
+ m_pCurMask = m_pCachedMask.get();
return 1;
}
- if (!pRenderStatus) {
+ if (!pRenderStatus)
return 0;
- }
+
m_pRenderStatus = pRenderStatus;
m_pCurBitmap = new CPDF_DIBSource;
int ret =
((CPDF_DIBSource*)m_pCurBitmap)
->StartLoadDIBSource(m_pDocument, m_pStream, true, pFormResources,
pPageResources, bStdCS, GroupFamily, bLoadMask);
- if (ret == 2) {
+ if (ret == 2)
return ret;
- }
+
if (!ret) {
delete m_pCurBitmap;
m_pCurBitmap = nullptr;
@@ -293,11 +289,11 @@ void CPDF_ImageCacheEntry::ContinueGetCachedBitmap() {
CPDF_RenderContext* pContext = m_pRenderStatus->GetContext();
CPDF_PageRenderCache* pPageRenderCache = pContext->GetPageCache();
m_dwTimeCount = pPageRenderCache->GetTimeCount();
- m_pCachedBitmap = m_pCurBitmap;
+ m_pCachedBitmap = pdfium::WrapUnique<CFX_DIBSource>(m_pCurBitmap);
if (m_pCurMask)
- m_pCachedMask = m_pCurMask;
+ m_pCachedMask = pdfium::WrapUnique<CFX_DIBSource>(m_pCurMask);
else
- m_pCurMask = m_pCachedMask;
+ m_pCurMask = m_pCachedMask.get();
CalcSize();
}
@@ -315,6 +311,6 @@ int CPDF_ImageCacheEntry::Continue(IFX_Pause* pPause) {
return 0;
}
void CPDF_ImageCacheEntry::CalcSize() {
- m_dwCacheSize = FPDF_ImageCache_EstimateImageSize(m_pCachedBitmap) +
- FPDF_ImageCache_EstimateImageSize(m_pCachedMask);
+ m_dwCacheSize = FPDF_ImageCache_EstimateImageSize(m_pCachedBitmap.get()) +
+ FPDF_ImageCache_EstimateImageSize(m_pCachedMask.get());
}
diff --git a/core/fpdfapi/render/render_int.h b/core/fpdfapi/render/render_int.h
index 35b8cc529e..9336e068d4 100644
--- a/core/fpdfapi/render/render_int.h
+++ b/core/fpdfapi/render/render_int.h
@@ -141,11 +141,12 @@ class CPDF_ImageCacheEntry {
CPDF_Document* m_pDocument;
CPDF_Stream* m_pStream;
- CFX_DIBSource* m_pCachedBitmap;
- CFX_DIBSource* m_pCachedMask;
+ std::unique_ptr<CFX_DIBSource> m_pCachedBitmap;
+ std::unique_ptr<CFX_DIBSource> m_pCachedMask;
uint32_t m_dwCacheSize;
void CalcSize();
};
+
typedef struct {
FX_FLOAT m_DecodeMin;
FX_FLOAT m_DecodeStep;