Kill unused IPDF_ classes.

core/src/fpdfapi/fpdf_render/fpdf_render.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_module.h"
 #include "../fpdf_page/pageint.h"
 #include "../../../include/fxge/fx_ge.h"
@@ skipping 897 matching lines @@
     CFX_FxgeDevice device;
     device.Attach(pBackdrop);
     m_pContext->Render(&device, pObj, &m_Options, &FinalMatrix);
     return pBackdrop;
 }
 void CPDF_RenderContext::GetBackground(CFX_DIBitmap* pBuffer, const CPDF_PageObject* pObj,
                                        const CPDF_RenderOptions* pOptions, CFX_AffineMatrix* pFinalMatrix)
 {
     CFX_FxgeDevice device;
     device.Attach(pBuffer);
-    if (m_pBackgroundDraw) {
-        m_pBackgroundDraw->OnDrawBackground(&device, pFinalMatrix);
-    } else {
-        FX_RECT rect(0, 0, device.GetWidth(), device.GetHeight());
-        device.FillRect(&rect, 0xffffffff);
-    }
+
+    FX_RECT rect(0, 0, device.GetWidth(), device.GetHeight());
+    device.FillRect(&rect, 0xffffffff);
     Render(&device, pObj, pOptions, pFinalMatrix);
 }
 CPDF_GraphicStates* CPDF_RenderStatus::CloneObjStates(const CPDF_GraphicStates* pSrcStates, FX_BOOL bStroke)
 {
     if (!pSrcStates) {
         return NULL;
     }
     CPDF_GraphicStates* pStates = new CPDF_GraphicStates;
     pStates->CopyStates(*pSrcStates);
     CPDF_Color* pObjColor = bStroke ? pSrcStates->m_ColorState.GetStrokeColor() :
                             pSrcStates->m_ColorState.GetFillColor();
     if (!pObjColor->IsNull()) {
         CPDF_ColorStateData* pColorData = pStates->m_ColorState.GetModify();
         pColorData->m_FillRGB = bStroke ? pSrcStates->m_ColorState.GetObject()->m_StrokeRGB :
                                 pSrcStates->m_ColorState.GetObject()->m_FillRGB;
         pColorData->m_StrokeRGB = pColorData->m_FillRGB;
     }
     return pStates;
 }
 CPDF_RenderContext::CPDF_RenderContext()
 {
 }
 void CPDF_RenderContext::Create(CPDF_Document* pDoc, CPDF_PageRenderCache* pPageCache,
                                 CPDF_Dictionary* pPageResources, FX_BOOL bFirstLayer)
 {
-    m_pBackgroundDraw = NULL;
     m_pDocument = pDoc;
     m_pPageResources = pPageResources;
     m_pPageCache = pPageCache;
     m_bFirstLayer = bFirstLayer;
 }
 void CPDF_RenderContext::Create(CPDF_Page* pPage, FX_BOOL bFirstLayer)
 {
-    m_pBackgroundDraw = NULL;
     m_pDocument = pPage->m_pDocument;
     m_pPageResources = pPage->m_pPageResources;
     m_pPageCache = pPage->GetRenderCache();
     m_bFirstLayer = bFirstLayer;
 }
 CPDF_RenderContext::~CPDF_RenderContext()
 {
 }
 void CPDF_RenderContext::Clear()
 {
     m_pDocument = NULL;
     m_pPageResources = NULL;
     m_pPageCache = NULL;
-    m_pBackgroundDraw = NULL;
     m_bFirstLayer = TRUE;
     m_ContentList.RemoveAll();
 }
 void CPDF_RenderContext::AppendObjectList(CPDF_PageObjects* pObjs, const CFX_AffineMatrix* pObject2Device)
 {
     _PDF_RenderItem* pItem = m_ContentList.AddSpace();
     pItem->m_pObjectList = pObjs;
     if (pObject2Device) {
         pItem->m_Matrix = *pObject2Device;
     } else {
@@ skipping 435 matching lines @@
         CPDF_ContentMarkItem& item = pData->GetItem(i);
         if (item.GetName() == FX_BSTRC("OC") && item.GetParamType() == CPDF_ContentMarkItem::PropertiesDict) {
             CPDF_Dictionary* pOCG = (CPDF_Dictionary*)item.GetParam();
             if (!CheckOCGVisible(pOCG)) {
                 return FALSE;
             }
         }
     }
     return TRUE;
 }