chromium/third_party/pdfium/core/fxge/agg/cfx_agg_bitmapcomposer.cpp

// Copyright 2017 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/fxge/agg/cfx_agg_bitmapcomposer.h"

#include <stddef.h>

#include "core/fxcrt/check_op.h"
#include "core/fxcrt/compiler_specific.h"
#include "core/fxcrt/fx_2d_size.h"
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/fx_safe_types.h"
#include "core/fxcrt/fx_system.h"
#include "core/fxcrt/stl_util.h"
#include "core/fxge/agg/cfx_agg_cliprgn.h"
#include "core/fxge/dib/cfx_dibitmap.h"

CFX_AggBitmapComposer::CFX_AggBitmapComposer() = default;

CFX_AggBitmapComposer::~CFX_AggBitmapComposer() = default;

void CFX_AggBitmapComposer::Compose(const RetainPtr<CFX_DIBitmap>& pDest,
                                    const CFX_AggClipRgn* pClipRgn,
                                    float alpha,
                                    uint32_t mask_color,
                                    const FX_RECT& dest_rect,
                                    bool bVertical,
                                    bool bFlipX,
                                    bool bFlipY,
                                    bool bRgbByteOrder,
                                    BlendMode blend_mode) { … }

bool CFX_AggBitmapComposer::SetInfo(int width,
                                    int height,
                                    FXDIB_Format src_format,
                                    DataVector<uint32_t> src_palette) { … }

void CFX_AggBitmapComposer::DoCompose(pdfium::span<uint8_t> dest_scan,
                                      pdfium::span<const uint8_t> src_scan,
                                      int dest_width,
                                      pdfium::span<const uint8_t> clip_scan) { … }

void CFX_AggBitmapComposer::ComposeScanline(
    int line,
    pdfium::span<const uint8_t> scanline) { … }

void CFX_AggBitmapComposer::ComposeScanlineV(
    int line,
    pdfium::span<const uint8_t> scanline) { … }