Simplify PDFium by removing code that's not used in the open source repo.

core/src/fpdfapi/fpdf_render/fpdf_render_cache.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
  
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "../../../include/fpdfapi/fpdf_render.h"
 #include "../../../include/fpdfapi/fpdf_pageobj.h"
 #include "../../../include/fxge/fx_ge.h"
 #include "../fpdf_page/pageint.h"
@@ skipping 230 matching lines @@
     CPDF_PageRenderCache* pPageRenderCache = pContext->m_pPageCache;
     m_dwTimeCount = pPageRenderCache->GetTimeCount();
     CPDF_DIBSource* pSrc = FX_NEW CPDF_DIBSource;
     CPDF_DIBSource* pMaskSrc = NULL;
     if (!pSrc->Load(m_pDocument, m_pStream, &pMaskSrc, &MatteColor, pRenderStatus->m_pFormResource, pPageResources, bStdCS, GroupFamily, bLoadMask)) {
         delete pSrc;
         pBitmap = NULL;
         return FALSE;
     }
     m_MatteColor = MatteColor;
-#if !defined(_FPDFAPI_MINI_)
     if (pSrc->GetPitch() * pSrc->GetHeight() < FPDF_HUGE_IMAGE_SIZE) {
         m_pCachedBitmap = pSrc->Clone();
         delete pSrc;
     } else {
         m_pCachedBitmap = pSrc;
     }
     if (pMaskSrc) {
         m_pCachedMask = pMaskSrc->Clone();
         delete pMaskSrc;
     }
-#else
-    if (pSrc->GetFormat() == FXDIB_8bppRgb && pSrc->GetPalette() &&
-            pSrc->GetHeight() * pSrc->GetWidth() * 3 < 1024) {
-#if _FXM_PLATFORM_  == _FXM_PLATFORM_APPLE_
-        m_pCachedBitmap = pSrc->CloneConvert(FXDIB_Rgb32);
-#else
-        m_pCachedBitmap = pSrc->CloneConvert(FXDIB_Rgb);
-#endif
-        delete pSrc;
-    } else if (pSrc->GetPitch() * pSrc->GetHeight() < 102400) {
-        m_pCachedBitmap = pSrc->Clone();
-        delete pSrc;
-    } else {
-        m_pCachedBitmap = pSrc;
-    }
-    m_pCachedMask = pMaskSrc;
-#endif
+
     pBitmap = m_pCachedBitmap;
     pMask = m_pCachedMask;
     CalcSize();
     return FALSE;
 }
 CFX_DIBSource* CPDF_ImageCache::DetachBitmap()
 {
     CFX_DIBSource* pDIBSource = m_pCurBitmap;
     m_pCurBitmap = NULL;
     return pDIBSource;
@@ skipping 30 matching lines @@
     ContinueGetCachedBitmap();
     return 0;
 }
 int CPDF_ImageCache::ContinueGetCachedBitmap()
 {
     m_MatteColor = ((CPDF_DIBSource*)m_pCurBitmap)->m_MatteColor;
     m_pCurMask = ((CPDF_DIBSource*)m_pCurBitmap)->DetachMask();
     CPDF_RenderContext*pContext = m_pRenderStatus->GetContext();
     CPDF_PageRenderCache* pPageRenderCache = pContext->m_pPageCache;
     m_dwTimeCount = pPageRenderCache->GetTimeCount();
-#if !defined(_FPDFAPI_MINI_)
     if (m_pCurBitmap->GetPitch() * m_pCurBitmap->GetHeight() < FPDF_HUGE_IMAGE_SIZE) {
         m_pCachedBitmap = m_pCurBitmap->Clone();
         delete m_pCurBitmap;
         m_pCurBitmap = NULL;
     } else {
         m_pCachedBitmap = m_pCurBitmap;
     }
     if (m_pCurMask) {
         m_pCachedMask = m_pCurMask->Clone();
         delete m_pCurMask;
         m_pCurMask = NULL;
     }
-#else
-    if (m_pCurBitmap->GetFormat() == FXDIB_8bppRgb && m_pCurBitmap->GetPalette() &&
-            m_pCurBitmap->GetHeight() * m_pCurBitmap->GetWidth() * 3 < 1024) {
-        m_pCachedBitmap = m_pCurBitmap->CloneConvert(FXDIB_Rgb32);
-        m_pCachedBitmap = m_pCurBitmap->CloneConvert(FXDIB_Rgb);
-        delete m_pCurBitmap;
-        m_pCurBitmap = NULL;
-    } else if (m_pCurBitmap->GetPitch() * m_pCurBitmap->GetHeight() < 102400) {
-        m_pCachedBitmap = m_pCurBitmap->Clone();
-        delete m_pCurBitmap;
-        m_pCurBitmap = NULL;
-    } else {
-        m_pCachedBitmap = m_pCurBitmap;
-    }
-    m_pCachedMask = m_pCurMask;
-#endif
     m_pCurBitmap = m_pCachedBitmap;
     m_pCurMask = m_pCachedMask;
     CalcSize();
     return 0;
 }
 int     CPDF_ImageCache::Continue(IFX_Pause* pPause)
 {
     int ret = ((CPDF_DIBSource*)m_pCurBitmap)->ContinueLoadDIBSource(pPause);
     if (ret == 2) {
         return ret;
@@ skipping 12 matching lines @@
 }
 void CPDF_Document::ClearRenderFont()
 {
     if (m_pDocRender) {
         CFX_FontCache* pCache = m_pDocRender->GetFontCache();
         if (pCache) {
             pCache->FreeCache(FALSE);
         }
     }
 }