chromium/third_party/pdfium/core/fpdfapi/render/cpdf_rendertiling.cpp

// Copyright 2020 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/render/cpdf_rendertiling.h"

#include <limits>
#include <memory>
#include <utility>

#include "core/fpdfapi/page/cpdf_form.h"
#include "core/fpdfapi/page/cpdf_pageimagecache.h"
#include "core/fpdfapi/page/cpdf_tilingpattern.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fpdfapi/render/cpdf_rendercontext.h"
#include "core/fpdfapi/render/cpdf_renderoptions.h"
#include "core/fpdfapi/render/cpdf_renderstatus.h"
#include "core/fxcrt/fx_safe_types.h"
#include "core/fxcrt/span_util.h"
#include "core/fxge/cfx_defaultrenderdevice.h"
#include "core/fxge/dib/cfx_dibitmap.h"

namespace {

RetainPtr<CFX_DIBitmap> DrawPatternBitmap(
    CPDF_Document* pDoc,
    CPDF_PageImageCache* pCache,
    CPDF_TilingPattern* pPattern,
    CPDF_Form* pPatternForm,
    const CFX_Matrix& mtObject2Device,
    int width,
    int height,
    const CPDF_RenderOptions::Options& draw_options) { … }

}  // namespace

// static
RetainPtr<CFX_DIBitmap> CPDF_RenderTiling::Draw(
    CPDF_RenderStatus* pRenderStatus,
    CPDF_PageObject* pPageObj,
    CPDF_TilingPattern* pPattern,
    CPDF_Form* pPatternForm,
    const CFX_Matrix& mtObj2Device,
    const FX_RECT& clip_box,
    bool bStroke) { … }