C++ (Cpp) CPDF_DocPageData::FindPatternPtr示例

示例#1

文件： fpdf_page_colors.cpp 项目： abbro-ca/pdfium

void CPDF_Color::SetValue(CPDF_Pattern* pPattern, FX_FLOAT* comps, int ncomps)
{
    if (ncomps > MAX_PATTERN_COLORCOMPS) {
        return;
    }
    if (m_pCS == NULL || m_pCS->GetFamily() != PDFCS_PATTERN) {
        if (m_pBuffer) {
            FX_Free(m_pBuffer);
        }
        m_pCS = CPDF_ColorSpace::GetStockCS(PDFCS_PATTERN);
        m_pBuffer = m_pCS->CreateBuf();
    }
    CPDF_DocPageData *pDocPageData = NULL;
    PatternValue* pvalue = (PatternValue*)m_pBuffer;
    if (pvalue->m_pPattern && pvalue->m_pPattern->m_pDocument) {
        pDocPageData = pvalue->m_pPattern->m_pDocument->GetPageData();
        if (pDocPageData) {
            pDocPageData->ReleasePattern(pvalue->m_pPattern->m_pPatternObj);
        }
    }
    pvalue->m_nComps = ncomps;
    pvalue->m_pPattern = pPattern;
    if (ncomps) {
        FXSYS_memcpy(pvalue->m_Comps, comps, ncomps * sizeof(FX_FLOAT));
    }
    pvalue->m_pCountedPattern = NULL;
    if (pPattern && pPattern->m_pDocument)
    {
        if (!pDocPageData) {
            pDocPageData = pPattern->m_pDocument->GetPageData();
        }
        pvalue->m_pCountedPattern = pDocPageData->FindPatternPtr(pPattern->m_pPatternObj);
    }
}