From ddf2418ba8e5d925909d7955ac22b33f37ccce44 Mon Sep 17 00:00:00 2001 From: Cary Clark Date: Wed, 5 Jul 2017 11:05:00 -0400 Subject: typeface double delete MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit SkTypeface was doubly deleted at pdfium teardown SkTypeface has two pointers but no owners. Making the font cache an owner fixes the bug but violates checkdeps rules. Let me know what to do about that. R=dsinclair@chromium.org,npm@chromium.org Bug: 736133 Change-Id: I756a41258a5ac86e70139d7a587c5da9bb7a707b Reviewed-on: https://pdfium-review.googlesource.com/7270 Reviewed-by: Nicolás Peña Commit-Queue: Cary Clark --- core/fxge/cfx_facecache.h | 6 +++++- core/fxge/ge/cfx_facecache.cpp | 15 +++++---------- 2 files changed, 10 insertions(+), 11 deletions(-) diff --git a/core/fxge/cfx_facecache.h b/core/fxge/cfx_facecache.h index d6847debdb..076ba1f330 100644 --- a/core/fxge/cfx_facecache.h +++ b/core/fxge/cfx_facecache.h @@ -14,6 +14,10 @@ #include "core/fxge/fx_font.h" #include "core/fxge/fx_freetype.h" +#if defined _SKIA_SUPPORT_ || _SKIA_SUPPORT_PATHS_ +#include "third_party/skia/include/core/SkTypeface.h" +#endif + class CFX_FaceCache { public: explicit CFX_FaceCache(FXFT_Face face); @@ -60,7 +64,7 @@ class CFX_FaceCache { std::map> m_SizeMap; std::map> m_PathMap; #if defined _SKIA_SUPPORT_ || _SKIA_SUPPORT_PATHS_ - CFX_UnownedPtr m_pTypeface; + sk_sp m_pTypeface; #endif }; diff --git a/core/fxge/ge/cfx_facecache.cpp b/core/fxge/ge/cfx_facecache.cpp index 6049729089..e675e11510 100644 --- a/core/fxge/ge/cfx_facecache.cpp +++ b/core/fxge/ge/cfx_facecache.cpp @@ -89,9 +89,6 @@ CFX_FaceCache::CFX_FaceCache(FXFT_Face face) } CFX_FaceCache::~CFX_FaceCache() { -#if defined _SKIA_SUPPORT_ || _SKIA_SUPPORT_PATHS_ - SkSafeUnref(m_pTypeface.Get()); -#endif } std::unique_ptr CFX_FaceCache::RenderGlyph( @@ -358,19 +355,17 @@ const CFX_GlyphBitmap* CFX_FaceCache::LoadGlyphBitmap(const CFX_Font* pFont, #if defined _SKIA_SUPPORT_ || defined _SKIA_SUPPORT_PATHS_ CFX_TypeFace* CFX_FaceCache::GetDeviceCache(const CFX_Font* pFont) { if (!m_pTypeface) { - m_pTypeface = - SkTypeface::MakeFromStream( - new SkMemoryStream(pFont->GetFontData(), pFont->GetSize())) - .release(); + m_pTypeface = SkTypeface::MakeFromStream( + new SkMemoryStream(pFont->GetFontData(), pFont->GetSize())); } #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ if (!m_pTypeface) { sk_sp customMgr(SkFontMgr_New_Custom_Empty()); - m_pTypeface = customMgr->createFromStream( - new SkMemoryStream(pFont->GetFontData(), pFont->GetSize())); + m_pTypeface.reset(customMgr->createFromStream( + new SkMemoryStream(pFont->GetFontData(), pFont->GetSize()))); } #endif - return m_pTypeface.Get(); + return m_pTypeface.get(); } #endif -- cgit v1.2.3