From cde5101eb15b24519e89fa500fe37038bc8e2201 Mon Sep 17 00:00:00 2001 From: art-snake Date: Thu, 15 Sep 2016 14:11:09 -0700 Subject: Fix memory leaking on ClosePage. CFX_FontCache refactoring: after this CL: Only one global CFX_FontCache used. Any cached items from it, are released, when its are not used. BUG=79367,48791 The fonts was not cleared after unloading pages. Test pdf: http://www.nasa.gov/pdf/750614main_NASA_FY_2014_Budget_Estimates-508.pdf For this file, we have ~5 fonts per page, which equal ~1 Mb per page. In this PDF we have 670 pages, as result after slow scrolling(reading) full document we have ~600 Mb fonts data in memory. memory usage of PDF Plugin: before this CL: ~660 Mb after this CL: ~100 Mb Review-Url: https://codereview.chromium.org/2158023002 --- core/fpdfapi/fpdf_render/fpdf_render.cpp | 12 +-------- core/fpdfapi/fpdf_render/fpdf_render_text.cpp | 38 ++++++--------------------- core/fpdfapi/fpdf_render/render_int.h | 3 --- 3 files changed, 9 insertions(+), 44 deletions(-) (limited to 'core/fpdfapi/fpdf_render') diff --git a/core/fpdfapi/fpdf_render/fpdf_render.cpp b/core/fpdfapi/fpdf_render/fpdf_render.cpp index 59c8397f54..8043f932bb 100644 --- a/core/fpdfapi/fpdf_render/fpdf_render.cpp +++ b/core/fpdfapi/fpdf_render/fpdf_render.cpp @@ -30,14 +30,13 @@ #include "core/fpdfapi/fpdf_render/include/cpdf_textrenderer.h" #include "core/fpdfapi/include/cpdf_modulemgr.h" #include "core/fpdfdoc/include/cpdf_occontext.h" -#include "core/fxge/include/cfx_fontcache.h" #include "core/fxge/include/cfx_fxgedevice.h" #include "core/fxge/include/cfx_graphstatedata.h" #include "core/fxge/include/cfx_pathdata.h" #include "core/fxge/include/cfx_renderdevice.h" CPDF_DocRenderData::CPDF_DocRenderData(CPDF_Document* pPDFDoc) - : m_pPDFDoc(pPDFDoc), m_pFontCache(new CFX_FontCache) {} + : m_pPDFDoc(pPDFDoc) {} CPDF_DocRenderData::~CPDF_DocRenderData() { Clear(TRUE); @@ -63,15 +62,6 @@ void CPDF_DocRenderData::Clear(FX_BOOL bRelease) { m_TransferFuncMap.erase(curr_it); } } - - if (m_pFontCache) { - if (bRelease) { - delete m_pFontCache; - m_pFontCache = nullptr; - } else { - m_pFontCache->FreeCache(FALSE); - } - } } CPDF_Type3Cache* CPDF_DocRenderData::GetCachedType3(CPDF_Type3Font* pFont) { diff --git a/core/fpdfapi/fpdf_render/fpdf_render_text.cpp b/core/fpdfapi/fpdf_render/fpdf_render_text.cpp index 265948f1d5..991b57ab7f 100644 --- a/core/fpdfapi/fpdf_render/fpdf_render_text.cpp +++ b/core/fpdfapi/fpdf_render/fpdf_render_text.cpp @@ -25,7 +25,6 @@ #include "core/fpdfapi/fpdf_render/include/cpdf_textrenderer.h" #include "core/fxge/include/cfx_autofontcache.h" #include "core/fxge/include/cfx_facecache.h" -#include "core/fxge/include/cfx_fontcache.h" #include "core/fxge/include/cfx_fxgedevice.h" #include "core/fxge/include/cfx_gemodule.h" #include "core/fxge/include/cfx_graphstatedata.h" @@ -435,9 +434,6 @@ FX_BOOL CPDF_TextRenderer::DrawTextPath(CFX_RenderDevice* pDevice, FX_ARGB stroke_argb, CFX_PathData* pClippingPath, int nFlag) { - CFX_FontCache* pCache = - pFont->m_pDocument ? pFont->m_pDocument->GetRenderData()->GetFontCache() - : nullptr; CPDF_CharPosList CharPosList; CharPosList.Load(nChars, pCharCodes, pCharPos, pFont, font_size); if (CharPosList.m_nChars == 0) @@ -452,10 +448,10 @@ FX_BOOL CPDF_TextRenderer::DrawTextPath(CFX_RenderDevice* pDevice, auto* font = fontPosition == -1 ? &pFont->m_Font : pFont->m_FontFallbacks[fontPosition].get(); - if (!pDevice->DrawTextPath( - i - startIndex, CharPosList.m_pCharPos + startIndex, font, pCache, - font_size, pText2User, pUser2Device, pGraphState, fill_argb, - stroke_argb, pClippingPath, nFlag)) { + if (!pDevice->DrawTextPath(i - startIndex, + CharPosList.m_pCharPos + startIndex, font, + font_size, pText2User, pUser2Device, pGraphState, + fill_argb, stroke_argb, pClippingPath, nFlag)) { bDraw = false; } fontPosition = curFontPosition; @@ -464,7 +460,7 @@ FX_BOOL CPDF_TextRenderer::DrawTextPath(CFX_RenderDevice* pDevice, auto* font = fontPosition == -1 ? &pFont->m_Font : pFont->m_FontFallbacks[fontPosition].get(); if (!pDevice->DrawTextPath(CharPosList.m_nChars - startIndex, - CharPosList.m_pCharPos + startIndex, font, pCache, + CharPosList.m_pCharPos + startIndex, font, font_size, pText2User, pUser2Device, pGraphState, fill_argb, stroke_argb, pClippingPath, nFlag)) { bDraw = false; @@ -540,9 +536,6 @@ FX_BOOL CPDF_TextRenderer::DrawNormalText(CFX_RenderDevice* pDevice, const CFX_Matrix* pText2Device, FX_ARGB fill_argb, const CPDF_RenderOptions* pOptions) { - CFX_FontCache* pCache = - pFont->m_pDocument ? pFont->m_pDocument->GetRenderData()->GetFontCache() - : nullptr; CPDF_CharPosList CharPosList; CharPosList.Load(nChars, pCharCodes, pCharPos, pFont, font_size); if (CharPosList.m_nChars == 0) @@ -585,7 +578,7 @@ FX_BOOL CPDF_TextRenderer::DrawNormalText(CFX_RenderDevice* pDevice, ? &pFont->m_Font : pFont->m_FontFallbacks[fontPosition].get(); if (!pDevice->DrawNormalText( - i - startIndex, CharPosList.m_pCharPos + startIndex, font, pCache, + i - startIndex, CharPosList.m_pCharPos + startIndex, font, font_size, pText2Device, fill_argb, FXGE_flags)) { bDraw = false; } @@ -596,7 +589,7 @@ FX_BOOL CPDF_TextRenderer::DrawNormalText(CFX_RenderDevice* pDevice, : pFont->m_FontFallbacks[fontPosition].get(); if (!pDevice->DrawNormalText(CharPosList.m_nChars - startIndex, CharPosList.m_pCharPos + startIndex, font, - pCache, font_size, pText2Device, fill_argb, + font_size, pText2Device, fill_argb, FXGE_flags)) { bDraw = false; } @@ -627,23 +620,9 @@ void CPDF_RenderStatus::DrawTextPathWithPattern(const CPDF_TextObject* textobj, RenderSingleObject(&path, pObj2Device); return; } - CFX_FontCache* pCache; - if (pFont->m_pDocument) { - pCache = pFont->m_pDocument->GetRenderData()->GetFontCache(); - } else { - pCache = CFX_GEModule::Get()->GetFontCache(); - } CPDF_CharPosList CharPosList; CharPosList.Load(textobj->m_nChars, textobj->m_pCharCodes, textobj->m_pCharPos, pFont, font_size); - std::vector faceCaches; - std::vector autoFontCaches; - faceCaches.push_back(pCache->GetCachedFace(&pFont->m_Font)); - autoFontCaches.push_back(CFX_AutoFontCache(pCache, &pFont->m_Font)); - for (const auto& font : pFont->m_FontFallbacks) { - faceCaches.push_back(pCache->GetCachedFace(font.get())); - autoFontCaches.push_back(CFX_AutoFontCache(pCache, font.get())); - } for (uint32_t i = 0; i < CharPosList.m_nChars; i++) { FXTEXT_CHARPOS& charpos = CharPosList.m_pCharPos[i]; auto font = @@ -651,8 +630,7 @@ void CPDF_RenderStatus::DrawTextPathWithPattern(const CPDF_TextObject* textobj, ? &pFont->m_Font : pFont->m_FontFallbacks[charpos.m_FallbackFontPosition].get(); const CFX_PathData* pPath = - faceCaches[charpos.m_FallbackFontPosition + 1]->LoadGlyphPath( - font, charpos.m_GlyphIndex, charpos.m_FontCharWidth); + font->LoadGlyphPath(charpos.m_GlyphIndex, charpos.m_FontCharWidth); if (!pPath) { continue; } diff --git a/core/fpdfapi/fpdf_render/render_int.h b/core/fpdfapi/fpdf_render/render_int.h index 672e5923df..afd9c83b44 100644 --- a/core/fpdfapi/fpdf_render/render_int.h +++ b/core/fpdfapi/fpdf_render/render_int.h @@ -21,7 +21,6 @@ class CCodec_Jbig2Context; class CCodec_ScanlineDecoder; -class CFX_FontCache; class CFX_GlyphBitmap; class CFX_ImageTransformer; class CFX_PathData; @@ -71,7 +70,6 @@ class CPDF_DocRenderData { ~CPDF_DocRenderData(); CPDF_Type3Cache* GetCachedType3(CPDF_Type3Font* pFont); CPDF_TransferFunc* GetTransferFunc(CPDF_Object* pObj); - CFX_FontCache* GetFontCache() { return m_pFontCache; } void Clear(FX_BOOL bRelease = FALSE); void ReleaseCachedType3(CPDF_Type3Font* pFont); void ReleaseTransferFunc(CPDF_Object* pObj); @@ -83,7 +81,6 @@ class CPDF_DocRenderData { std::map*>; CPDF_Document* m_pPDFDoc; - CFX_FontCache* m_pFontCache; CPDF_Type3CacheMap m_Type3FaceMap; CPDF_TransferFuncMap m_TransferFuncMap; }; -- cgit v1.2.3