CPDFDoc_Environment::GetAnnotHandlerMgr() never returns nullptr.
[pdfium.git] / fpdfsdk / src / fpdf_progressive.cpp
index 0c49df6..b13eb55 100644 (file)
@@ -9,82 +9,80 @@
 #include "../include/fsdk_define.h"
 #include "../include/fsdk_rendercontext.h"
 
-DLLEXPORT int STDCALL FPDF_RenderPageBitmap_Start( FPDF_BITMAP bitmap, FPDF_PAGE page,
-                                                    int start_x, int start_y, int size_x,
-                                                    int size_y, int rotate, int flags,
-                                                    IFSDK_PAUSE * pause )
-{
-    if (bitmap == NULL || page == NULL)
-        return FPDF_RENDER_FAILED;
-
-    if (!pause)
-        return FPDF_RENDER_FAILED;
+DLLEXPORT int STDCALL FPDF_RenderPageBitmap_Start(FPDF_BITMAP bitmap,
+                                                  FPDF_PAGE page,
+                                                  int start_x,
+                                                  int start_y,
+                                                  int size_x,
+                                                  int size_y,
+                                                  int rotate,
+                                                  int flags,
+                                                  IFSDK_PAUSE* pause) {
+  if (!bitmap || !pause || pause->version != 1)
+    return FPDF_RENDER_FAILED;
 
-    if (pause->version !=1)
-        return FPDF_RENDER_FAILED;
+  CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
+  if (!pPage)
+    return FPDF_RENDER_FAILED;
 
-    CPDF_Page* pPage = (CPDF_Page*)page;
-    CRenderContext* pContext = new CRenderContext;
-    pPage->SetPrivateData((void*)1, pContext, DropContext);
+  CRenderContext* pContext = new CRenderContext;
+  pPage->SetPrivateData((void*)1, pContext, DropContext);
 #ifdef _SKIA_SUPPORT_
-    pContext->m_pDevice = new CFX_SkiaDevice;
-    if (flags & FPDF_REVERSE_BYTE_ORDER)
-        ((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap,0,true);
-    else
-        ((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap);
+  pContext->m_pDevice = new CFX_SkiaDevice;
+  if (flags & FPDF_REVERSE_BYTE_ORDER)
+    ((CFX_SkiaDevice*)pContext->m_pDevice)
+        ->Attach((CFX_DIBitmap*)bitmap, 0, TRUE);
+  else
+    ((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap);
 #else
-    pContext->m_pDevice = new CFX_FxgeDevice;
-    if (flags & FPDF_REVERSE_BYTE_ORDER)
-        ((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap,0,true);
-    else
-        ((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap);
+  pContext->m_pDevice = new CFX_FxgeDevice;
+  if (flags & FPDF_REVERSE_BYTE_ORDER)
+    ((CFX_FxgeDevice*)pContext->m_pDevice)
+        ->Attach((CFX_DIBitmap*)bitmap, 0, TRUE);
+  else
+    ((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap);
 #endif
-    IFSDK_PAUSE_Adapter IPauseAdapter(pause);
+  IFSDK_PAUSE_Adapter IPauseAdapter(pause);
 
-    FPDF_RenderPage_Retail(pContext, page, start_x, start_y, size_x, size_y,
-                           rotate, flags,false, &IPauseAdapter);
+  FPDF_RenderPage_Retail(pContext, page, start_x, start_y, size_x, size_y,
+                         rotate, flags, FALSE, &IPauseAdapter);
 
-    if (pContext->m_pRenderer)
-        return CPDF_ProgressiveRenderer::ToFPDFStatus(pContext->m_pRenderer->GetStatus());
+  if (pContext->m_pRenderer)
+    return CPDF_ProgressiveRenderer::ToFPDFStatus(
+        pContext->m_pRenderer->GetStatus());
 
-    return FPDF_RENDER_FAILED;
+  return FPDF_RENDER_FAILED;
 }
 
-DLLEXPORT int STDCALL FPDF_RenderPage_Continue(FPDF_PAGE page,IFSDK_PAUSE * pause)
-{
-    if (page == NULL)
-        return FPDF_RENDER_FAILED;
-
-    if (!pause)
-        return FPDF_RENDER_FAILED;
-
-    if (pause->version !=1)
-        return FPDF_RENDER_FAILED;
+DLLEXPORT int STDCALL FPDF_RenderPage_Continue(FPDF_PAGE page,
+                                               IFSDK_PAUSE* pause) {
+  if (!pause || pause->version != 1)
+    return FPDF_RENDER_FAILED;
 
-    CPDF_Page* pPage = (CPDF_Page*)page;
-    CRenderContext * pContext = (CRenderContext*)pPage->GetPrivateData((void*)1);
-    if (pContext && pContext->m_pRenderer)
-    {
-        IFSDK_PAUSE_Adapter IPauseAdapter(pause);
-        pContext->m_pRenderer->Continue(&IPauseAdapter);
-        return CPDF_ProgressiveRenderer::ToFPDFStatus(pContext->m_pRenderer->GetStatus());
-    }
+  CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
+  if (!pPage)
     return FPDF_RENDER_FAILED;
-}
 
+  CRenderContext* pContext = (CRenderContext*)pPage->GetPrivateData((void*)1);
+  if (pContext && pContext->m_pRenderer) {
+    IFSDK_PAUSE_Adapter IPauseAdapter(pause);
+    pContext->m_pRenderer->Continue(&IPauseAdapter);
+    return CPDF_ProgressiveRenderer::ToFPDFStatus(
+        pContext->m_pRenderer->GetStatus());
+  }
+  return FPDF_RENDER_FAILED;
+}
 
-DLLEXPORT void STDCALL FPDF_RenderPage_Close(FPDF_PAGE page)
-{
-    if (!page)
-        return;
+DLLEXPORT void STDCALL FPDF_RenderPage_Close(FPDF_PAGE page) {
+  CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
+  if (!pPage)
+    return;
 
-    CPDF_Page* pPage = (CPDF_Page*)page;
-    CRenderContext * pContext = (CRenderContext*)pPage->GetPrivateData((void*)1);
-    if (!pContext)
-        return;
+  CRenderContext* pContext = (CRenderContext*)pPage->GetPrivateData((void*)1);
+  if (!pContext)
+    return;
 
-    pContext->m_pDevice->RestoreState();
-    delete pContext;
-    pPage->RemovePrivateData((void*)1);
+  pContext->m_pDevice->RestoreState();
+  delete pContext;
+  pPage->RemovePrivateData((void*)1);
 }
-