FX_BOOL CPDF_ImageCache::GetCachedBitmap(CFX_DIBSource*& pBitmap, CFX_DIBSource*& pMask, FX_DWORD& MatteColor, CPDF_Dictionary* pPageResources,
FX_BOOL bStdCS, FX_DWORD GroupFamily, FX_BOOL bLoadMask, CPDF_RenderStatus* pRenderStatus,
FX_INT32 downsampleWidth, FX_INT32 downsampleHeight)
{
if (m_pCachedBitmap) {
pBitmap = m_pCachedBitmap;
pMask = m_pCachedMask;
MatteColor = m_MatteColor;
return TRUE;
}
if (!pRenderStatus) {
return FALSE;
}
CPDF_RenderContext*pContext = pRenderStatus->GetContext();
CPDF_PageRenderCache* pPageRenderCache = pContext->m_pPageCache;
m_dwTimeCount = pPageRenderCache->GetTimeCount();
CPDF_DIBSource* pSrc = FX_NEW CPDF_DIBSource;
CPDF_DIBSource* pMaskSrc = NULL;
if (!pSrc->Load(m_pDocument, m_pStream, &pMaskSrc, &MatteColor, pRenderStatus->m_pFormResource, pPageResources, bStdCS, GroupFamily, bLoadMask)) {
delete pSrc;
pBitmap = NULL;
return FALSE;
}
m_MatteColor = MatteColor;
#if !defined(_FPDFAPI_MINI_)
if (pSrc->GetPitch() * pSrc->GetHeight() < FPDF_HUGE_IMAGE_SIZE) {
m_pCachedBitmap = pSrc->Clone();
delete pSrc;
} else {
m_pCachedBitmap = pSrc;
}
if (pMaskSrc) {
m_pCachedMask = pMaskSrc->Clone();
delete pMaskSrc;
}
#else
if (pSrc->GetFormat() == FXDIB_8bppRgb && pSrc->GetPalette() &&
pSrc->GetHeight() * pSrc->GetWidth() * 3 < 1024) {
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
m_pCachedBitmap = pSrc->CloneConvert(FXDIB_Rgb32);
#else
m_pCachedBitmap = pSrc->CloneConvert(FXDIB_Rgb);
#endif
delete pSrc;
} else if (pSrc->GetPitch() * pSrc->GetHeight() < 102400) {
m_pCachedBitmap = pSrc->Clone();
delete pSrc;
} else {
m_pCachedBitmap = pSrc;
}
m_pCachedMask = pMaskSrc;
#endif
pBitmap = m_pCachedBitmap;
pMask = m_pCachedMask;
CalcSize();
return FALSE;
}
bool CPDF_ImageCacheEntry::GetCachedBitmap(CFX_DIBSource*& pBitmap,
CFX_DIBSource*& pMask,
uint32_t& MatteColor,
CPDF_Dictionary* pPageResources,
bool bStdCS,
uint32_t GroupFamily,
bool bLoadMask,
CPDF_RenderStatus* pRenderStatus,
int32_t downsampleWidth,
int32_t downsampleHeight) {
if (m_pCachedBitmap) {
pBitmap = m_pCachedBitmap;
pMask = m_pCachedMask;
MatteColor = m_MatteColor;
return true;
}
if (!pRenderStatus) {
return false;
}
CPDF_RenderContext* pContext = pRenderStatus->GetContext();
CPDF_PageRenderCache* pPageRenderCache = pContext->GetPageCache();
m_dwTimeCount = pPageRenderCache->GetTimeCount();
CPDF_DIBSource* pSrc = new CPDF_DIBSource;
CPDF_DIBSource* pMaskSrc = nullptr;
if (!pSrc->Load(m_pDocument, m_pStream, &pMaskSrc, &MatteColor,
pRenderStatus->m_pFormResource, pPageResources, bStdCS,
GroupFamily, bLoadMask)) {
delete pSrc;
pBitmap = nullptr;
return false;
}
m_MatteColor = MatteColor;
if (pSrc->GetPitch() * pSrc->GetHeight() < FPDF_HUGE_IMAGE_SIZE) {
m_pCachedBitmap = pSrc->Clone();
delete pSrc;
} else {
m_pCachedBitmap = pSrc;
}
if (pMaskSrc) {
m_pCachedMask = pMaskSrc->Clone();
delete pMaskSrc;
}
pBitmap = m_pCachedBitmap;
pMask = m_pCachedMask;
CalcSize();
return false;
}