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;
CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
if (!pPage)
return FPDF_RENDER_FAILED;
CPDF_PageRenderContext* pContext = new CPDF_PageRenderContext;
pPage->SetRenderContext(WrapUnique(pContext));
CFX_FxgeDevice* pDevice = new CFX_FxgeDevice;
pContext->m_pDevice.reset(pDevice);
CFX_DIBitmap* pBitmap = CFXBitmapFromFPDFBitmap(bitmap);
pDevice->Attach(pBitmap, !!(flags & FPDF_REVERSE_BYTE_ORDER), nullptr, false);
IFSDK_PAUSE_Adapter IPauseAdapter(pause);
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());
}
return FPDF_RENDER_FAILED;
}
DLLEXPORT void STDCALL FPDF_RenderPage_Close(FPDF_PAGE page) {
CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
if (!pPage)
return;
CPDF_PageRenderContext* pContext = pPage->GetRenderContext();
if (!pContext)
return;
pContext->m_pDevice->RestoreState(false);
pPage->SetRenderContext(std::unique_ptr<CPDF_PageRenderContext>());
}