int CPDF_ImageCache::StartGetCachedBitmap(CPDF_Dictionary* pFormResources, CPDF_Dictionary* pPageResources, FX_BOOL bStdCS,
FX_DWORD GroupFamily, FX_BOOL bLoadMask, CPDF_RenderStatus* pRenderStatus,
FX_INT32 downsampleWidth, FX_INT32 downsampleHeight)
{
if (m_pCachedBitmap) {
m_pCurBitmap = m_pCachedBitmap;
m_pCurMask = m_pCachedMask;
return 1;
}
if (!pRenderStatus) {
return 0;
}
m_pRenderStatus = pRenderStatus;
m_pCurBitmap = FX_NEW CPDF_DIBSource;
int ret = ((CPDF_DIBSource*)m_pCurBitmap)->StartLoadDIBSource(m_pDocument, m_pStream, TRUE, pFormResources, pPageResources, bStdCS, GroupFamily, bLoadMask);
if (ret == 2) {
return ret;
}
if (!ret) {
delete m_pCurBitmap;
m_pCurBitmap = NULL;
return 0;
}
ContinueGetCachedBitmap();
return 0;
}
int CPDF_ImageCacheEntry::StartGetCachedBitmap(CPDF_Dictionary* pFormResources,
CPDF_Dictionary* pPageResources,
bool bStdCS,
uint32_t GroupFamily,
bool bLoadMask,
CPDF_RenderStatus* pRenderStatus,
int32_t downsampleWidth,
int32_t downsampleHeight) {
if (m_pCachedBitmap) {
m_pCurBitmap = m_pCachedBitmap;
m_pCurMask = m_pCachedMask;
return 1;
}
if (!pRenderStatus) {
return 0;
}
m_pRenderStatus = pRenderStatus;
m_pCurBitmap = new CPDF_DIBSource;
int ret =
((CPDF_DIBSource*)m_pCurBitmap)
->StartLoadDIBSource(m_pDocument, m_pStream, true, pFormResources,
pPageResources, bStdCS, GroupFamily, bLoadMask);
if (ret == 2) {
return ret;
}
if (!ret) {
delete m_pCurBitmap;
m_pCurBitmap = nullptr;
return 0;
}
ContinueGetCachedBitmap();
return 0;
}
int CPDF_ImageCacheEntry::Continue(IFX_Pause* pPause) {
int ret = ((CPDF_DIBSource*)m_pCurBitmap)->ContinueLoadDIBSource(pPause);
if (ret == 2) {
return ret;
}
if (!ret) {
delete m_pCurBitmap;
m_pCurBitmap = nullptr;
return 0;
}
ContinueGetCachedBitmap();
return 0;
}
