void CPDF_PageRenderCache::GetCachedBitmap(CPDF_Stream* pStream,
CFX_DIBSource*& pBitmap,
CFX_DIBSource*& pMask,
FX_DWORD& MatteColor,
FX_BOOL bStdCS,
FX_DWORD GroupFamily,
FX_BOOL bLoadMask,
CPDF_RenderStatus* pRenderStatus,
int32_t downsampleWidth,
int32_t downsampleHeight) {
CPDF_ImageCache* pImageCache;
FX_BOOL bFind = m_ImageCaches.Lookup(pStream, (void*&)pImageCache);
if (!bFind) {
pImageCache = new CPDF_ImageCache(m_pPage->m_pDocument, pStream);
}
m_nTimeCount++;
FX_BOOL bCached = pImageCache->GetCachedBitmap(
pBitmap, pMask, MatteColor, m_pPage->m_pPageResources, bStdCS,
GroupFamily, bLoadMask, pRenderStatus, downsampleWidth, downsampleHeight);
if (!bFind) {
m_ImageCaches.SetAt(pStream, pImageCache);
}
if (!bCached) {
m_nCacheSize += pImageCache->EstimateSize();
}
}
FX_DWORD CPDF_PageRenderCache::GetCachedSize(CPDF_Stream* pStream) const {
if (pStream == NULL) {
return m_nCacheSize;
}
CPDF_ImageCache* pImageCache;
if (!m_ImageCaches.Lookup(pStream, (void*&)pImageCache)) {
return 0;
}
return pImageCache->EstimateSize();
}
void CPDF_PageRenderCache::ResetBitmap(CPDF_Stream* pStream, const CFX_DIBitmap* pBitmap)
{
CPDF_ImageCache* pImageCache;
if (!m_ImageCaches.Lookup(pStream, (FX_LPVOID&)pImageCache)) {
if (pBitmap == NULL) {
return;
}
pImageCache = FX_NEW CPDF_ImageCache(m_pPage->m_pDocument, pStream);
m_ImageCaches.SetAt(pStream, pImageCache);
}
int oldsize = pImageCache->EstimateSize();
pImageCache->Reset(pBitmap);
m_nCacheSize = pImageCache->EstimateSize() - oldsize;
}
