chromium/third_party/pdfium/core/fpdfapi/page/cpdf_shadingpattern.cpp

// Copyright 2016 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

#include "core/fpdfapi/page/cpdf_shadingpattern.h"

#include <algorithm>
#include <utility>

#include "core/fpdfapi/page/cpdf_docpagedata.h"
#include "core/fpdfapi/page/cpdf_function.h"
#include "core/fpdfapi/parser/cpdf_array.h"
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fpdfapi/parser/cpdf_object.h"
#include "core/fpdfapi/parser/cpdf_stream.h"
#include "core/fxcrt/check.h"
#include "core/fxcrt/fx_safe_types.h"
#include "core/fxcrt/notreached.h"

namespace {

ShadingType ToShadingType(int type) { … }

}  // namespace

CPDF_ShadingPattern::CPDF_ShadingPattern(CPDF_Document* pDoc,
                                         RetainPtr<CPDF_Object> pPatternObj,
                                         bool bShading,
                                         const CFX_Matrix& parentMatrix)
    : … { … }

CPDF_ShadingPattern::~CPDF_ShadingPattern() = default;

CPDF_ShadingPattern* CPDF_ShadingPattern::AsShadingPattern() { … }

bool CPDF_ShadingPattern::Load() { … }

RetainPtr<const CPDF_Object> CPDF_ShadingPattern::GetShadingObject() const { … }

bool CPDF_ShadingPattern::Validate() const { … }

bool CPDF_ShadingPattern::ValidateFunctions(
    uint32_t nExpectedNumFunctions,
    uint32_t nExpectedNumInputs,
    uint32_t nExpectedNumOutputs) const { … }