FX_BOOL CPDF_ImageRenderer::Continue(IFX_Pause* pPause) {
if (m_Status == 1) {
if (m_pQuickStretcher->Continue(pPause)) {
return TRUE;
}
if (m_pQuickStretcher->m_pBitmap->IsAlphaMask())
m_pRenderStatus->m_pDevice->SetBitMask(
m_pQuickStretcher->m_pBitmap, m_pQuickStretcher->m_ResultLeft,
m_pQuickStretcher->m_ResultTop, m_FillArgb);
else
m_pRenderStatus->m_pDevice->SetDIBits(
m_pQuickStretcher->m_pBitmap, m_pQuickStretcher->m_ResultLeft,
m_pQuickStretcher->m_ResultTop, m_BlendType);
return FALSE;
}
if (m_Status == 2) {
if (m_pTransformer->Continue(pPause)) {
return TRUE;
}
CFX_DIBitmap* pBitmap = m_pTransformer->m_Storer.Detach();
if (pBitmap == NULL) {
return FALSE;
}
if (pBitmap->IsAlphaMask()) {
if (m_BitmapAlpha != 255) {
m_FillArgb = FXARGB_MUL_ALPHA(m_FillArgb, m_BitmapAlpha);
}
m_Result = m_pRenderStatus->m_pDevice->SetBitMask(
pBitmap, m_pTransformer->m_ResultLeft, m_pTransformer->m_ResultTop,
m_FillArgb);
} else {
if (m_BitmapAlpha != 255) {
pBitmap->MultiplyAlpha(m_BitmapAlpha);
}
m_Result = m_pRenderStatus->m_pDevice->SetDIBits(
pBitmap, m_pTransformer->m_ResultLeft, m_pTransformer->m_ResultTop,
m_BlendType);
}
delete pBitmap;
return FALSE;
}
if (m_Status == 3) {
return m_pRenderStatus->m_pDevice->ContinueDIBits(m_DeviceHandle, pPause);
}
if (m_Status == 4) {
if (m_Loader.Continue(m_LoadHandle, pPause)) {
return TRUE;
}
if (StartRenderDIBSource()) {
return Continue(pPause);
}
}
return FALSE;
}
FX_BOOL CPDF_ImageRenderer::Start(CPDF_RenderStatus* pStatus, const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device, FX_BOOL bStdCS, int blendType)
{
m_pRenderStatus = pStatus;
m_bStdCS = bStdCS;
m_pImageObject = (CPDF_ImageObject*)pObj;
m_BlendType = blendType;
m_pObj2Device = pObj2Device;
CPDF_Dictionary* pOC = m_pImageObject->m_pImage->GetOC();
if (pOC && m_pRenderStatus->m_Options.m_pOCContext && !m_pRenderStatus->m_Options.m_pOCContext->CheckOCGVisible(pOC)) {
return FALSE;
}
m_ImageMatrix = m_pImageObject->m_Matrix;
m_ImageMatrix.Concat(*pObj2Device);
if (StartLoadDIBSource()) {
return TRUE;
}
return StartRenderDIBSource();
}
bool CPDF_ImageRenderer::Start(CPDF_RenderStatus* pStatus,
CPDF_PageObject* pObj,
const CFX_Matrix* pObj2Device,
bool bStdCS,
int blendType) {
m_pRenderStatus = pStatus;
m_bStdCS = bStdCS;
m_pImageObject = pObj->AsImage();
m_BlendType = blendType;
m_pObj2Device = pObj2Device;
CPDF_Dictionary* pOC = m_pImageObject->GetImage()->GetOC();
if (pOC && m_pRenderStatus->m_Options.m_pOCContext &&
!m_pRenderStatus->m_Options.m_pOCContext->CheckOCGVisible(pOC)) {
return false;
}
m_ImageMatrix = m_pImageObject->matrix();
m_ImageMatrix.Concat(*pObj2Device);
if (StartLoadDIBSource())
return true;
return StartRenderDIBSource();
}
bool CPDF_ImageRenderer::Continue(IFX_Pause* pPause) {
if (m_Status == 2) {
if (m_pTransformer->Continue(pPause))
return true;
std::unique_ptr<CFX_DIBitmap> pBitmap(m_pTransformer->DetachBitmap());
if (!pBitmap)
return false;
if (pBitmap->IsAlphaMask()) {
if (m_BitmapAlpha != 255)
m_FillArgb = FXARGB_MUL_ALPHA(m_FillArgb, m_BitmapAlpha);
m_Result = m_pRenderStatus->m_pDevice->SetBitMask(
pBitmap.get(), m_pTransformer->result().left,
m_pTransformer->result().top, m_FillArgb);
} else {
if (m_BitmapAlpha != 255)
pBitmap->MultiplyAlpha(m_BitmapAlpha);
m_Result = m_pRenderStatus->m_pDevice->SetDIBitsWithBlend(
pBitmap.get(), m_pTransformer->result().left,
m_pTransformer->result().top, m_BlendType);
}
return false;
}
if (m_Status == 3)
return m_pRenderStatus->m_pDevice->ContinueDIBits(m_DeviceHandle, pPause);
if (m_Status == 4) {
if (m_Loader.Continue(pPause))
return true;
if (StartRenderDIBSource())
return Continue(pPause);
}
return false;
}