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-rw-r--r--core/fpdfapi/page/cpdf_image.cpp7
1 files changed, 4 insertions, 3 deletions
diff --git a/core/fpdfapi/page/cpdf_image.cpp b/core/fpdfapi/page/cpdf_image.cpp
index feafde3b36..97969551c6 100644
--- a/core/fpdfapi/page/cpdf_image.cpp
+++ b/core/fpdfapi/page/cpdf_image.cpp
@@ -247,8 +247,10 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap) {
bCopyWithoutAlpha = false;
}
- const CFX_DIBitmap* pMaskBitmap =
- pBitmap->HasAlpha() ? pBitmap->GetAlphaMask() : nullptr;
+ std::unique_ptr<CFX_DIBitmap> pMaskBitmap;
+ if (pBitmap->HasAlpha())
+ pMaskBitmap = pBitmap->CloneAlphaMask();
+
if (pMaskBitmap) {
int32_t maskWidth = pMaskBitmap->GetWidth();
int32_t maskHeight = pMaskBitmap->GetHeight();
@@ -275,7 +277,6 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap) {
mask_buf, mask_size, std::move(pMaskDict));
pDict->SetNewFor<CPDF_Reference>("SMask", m_pDocument,
pNewStream->GetObjNum());
- delete pMaskBitmap;
}
uint8_t* src_buf = pBitmap->GetBuffer();