blob: 607b0cb49d9b73b18fc8696db25daf5c09fa5bcf [file] [log] [blame]
// 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/dib/cfx_bitmapstorer.h"
#include <string.h>
#include <utility>
#include "core/fxcrt/span_util.h"
#include "core/fxge/dib/cfx_dibitmap.h"
#include "third_party/base/check_op.h"
CFX_BitmapStorer::CFX_BitmapStorer() = default;
CFX_BitmapStorer::~CFX_BitmapStorer() = default;
RetainPtr<CFX_DIBitmap> CFX_BitmapStorer::Detach() {
return std::move(m_pBitmap);
}
void CFX_BitmapStorer::Replace(RetainPtr<CFX_DIBitmap>&& pBitmap) {
m_pBitmap = std::move(pBitmap);
}
void CFX_BitmapStorer::ComposeScanline(int line,
pdfium::span<const uint8_t> scanline) {
pdfium::span<uint8_t> dest_buf = m_pBitmap->GetWritableScanline(line);
if (!dest_buf.empty())
fxcrt::spancpy(dest_buf, scanline);
}
bool CFX_BitmapStorer::SetInfo(int width,
int height,
FXDIB_Format src_format,
pdfium::span<const uint32_t> src_palette) {
DCHECK_NE(src_format, FXDIB_Format::k1bppMask);
DCHECK_NE(src_format, FXDIB_Format::k1bppRgb);
auto pBitmap = pdfium::MakeRetain<CFX_DIBitmap>();
if (!pBitmap->Create(width, height, src_format))
return false;
if (!src_palette.empty())
pBitmap->SetPalette(src_palette);
m_pBitmap = std::move(pBitmap);
return true;
}