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,
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->m_pPageCache;
m_dwTimeCount = pPageRenderCache->GetTimeCount();
CPDF_DIBSource* pSrc = 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 (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;
}
FX_BOOL CPDF_RenderStatus::ProcessInlines(CPDF_InlineImages* pInlines, const CFX_AffineMatrix* pObj2Device)
{
int bitmap_alpha = 255;
if (!pInlines->m_GeneralState.IsNull()) {
bitmap_alpha = FXSYS_round(pInlines->m_GeneralState.GetObject()->m_FillAlpha * 255);
}
if (pInlines->m_pStream) {
CPDF_DIBSource dibsrc;
if (!dibsrc.Load(m_pContext->m_pDocument, pInlines->m_pStream, NULL, NULL, NULL, NULL)) {
return TRUE;
}
pInlines->m_pBitmap = dibsrc.Clone();
pInlines->m_pStream->Release();
pInlines->m_pStream = NULL;
}
if (pInlines->m_pBitmap == NULL) {
return TRUE;
}
FX_ARGB fill_argb = 0;
if (pInlines->m_pBitmap->IsAlphaMask()) {
fill_argb = GetFillArgb(pInlines);
}
int flags = 0;
if (m_Options.m_Flags & RENDER_FORCE_DOWNSAMPLE) {
flags |= RENDER_FORCE_DOWNSAMPLE;
} else if (m_Options.m_Flags & RENDER_FORCE_HALFTONE) {
flags = 0;
}
for (int i = 0; i < pInlines->m_Matrices.GetSize(); i ++) {
CFX_AffineMatrix image_matrix = pInlines->m_Matrices.GetAt(i);
image_matrix.Concat(*pObj2Device);
CPDF_ImageRenderer renderer;
if (renderer.Start(this, pInlines->m_pBitmap, fill_argb, bitmap_alpha, &image_matrix, flags, FALSE, m_curBlend)) {
renderer.Continue(NULL);
}
}
return TRUE;
}
FX_BOOL CPDF_Type3Char::LoadBitmap(CPDF_RenderContext* pContext)
{
if (m_pBitmap != NULL || m_pForm == NULL) {
return TRUE;
}
if (m_pForm->CountObjects() == 1 && !m_bColored) {
CPDF_PageObject *pPageObj = m_pForm->GetObjectAt(m_pForm->GetFirstObjectPosition());
if (pPageObj->m_Type == PDFPAGE_IMAGE) {
CPDF_ImageObject* pImage = (CPDF_ImageObject*)pPageObj;
m_ImageMatrix = pImage->m_Matrix;
const CFX_DIBSource* pSource = pImage->m_pImage->LoadDIBSource();
if (pSource) {
m_pBitmap = pSource->Clone();
delete pSource;
}
delete m_pForm;
m_pForm = NULL;
return TRUE;
}
if (pPageObj->m_Type == PDFPAGE_INLINES) {
CPDF_InlineImages *pInlines = (CPDF_InlineImages *)pPageObj;
if (pInlines->m_pStream) {
m_ImageMatrix = pInlines->m_Matrices[0];
CPDF_DIBSource dibsrc;
if (!dibsrc.Load(pContext->m_pDocument, pInlines->m_pStream, NULL, NULL, NULL, NULL)) {
return FALSE;
}
m_pBitmap = dibsrc.Clone();
delete m_pForm;
m_pForm = NULL;
return TRUE;
}
}
}
return FALSE;
}