C++ (Cpp) CPDF_Dictionary::GetFloatBy Examples

Example #1

File: fpdf_page_func.cpp Project: gradescope/pdfium

FX_BOOL CPDF_ExpIntFunc::v_Init(CPDF_Object* pObj) {
  CPDF_Dictionary* pDict = pObj->GetDict();
  if (!pDict) {
    return FALSE;
  }
  CPDF_Array* pArray0 = pDict->GetArrayBy("C0");
  if (m_nOutputs == 0) {
    m_nOutputs = 1;
    if (pArray0) {
      m_nOutputs = pArray0->GetCount();
    }
  }
  CPDF_Array* pArray1 = pDict->GetArrayBy("C1");
  m_pBeginValues = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2);
  m_pEndValues = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2);
  for (uint32_t i = 0; i < m_nOutputs; i++) {
    m_pBeginValues[i] = pArray0 ? pArray0->GetFloatAt(i) : 0.0f;
    m_pEndValues[i] = pArray1 ? pArray1->GetFloatAt(i) : 1.0f;
  }
  m_Exponent = pDict->GetFloatBy("N");
  m_nOrigOutputs = m_nOutputs;
  if (m_nOutputs && m_nInputs > INT_MAX / m_nOutputs) {
    return FALSE;
  }
  m_nOutputs *= m_nInputs;
  return TRUE;
}