blob: bba5cd5a111dca987d54d4eebe955238cb0d667a [file] [log] [blame]
// Copyright 2018 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "testing/utils/bitmap_saver.h"
#include <fstream>
#include <vector>
#include "testing/image_diff/image_diff_png.h"
#include "third_party/base/logging.h"
// static
void BitmapSaver::WriteBitmapToPng(FPDF_BITMAP bitmap,
const std::string& filename) {
const int stride = FPDFBitmap_GetStride(bitmap);
const int width = FPDFBitmap_GetWidth(bitmap);
const int height = FPDFBitmap_GetHeight(bitmap);
const auto* buffer =
static_cast<const unsigned char*>(FPDFBitmap_GetBuffer(bitmap));
std::vector<unsigned char> png;
if (FPDFBitmap_GetFormat(bitmap) == FPDFBitmap_Gray) {
png = image_diff_png::EncodeGrayPNG(buffer, width, height, stride);
} else {
png = image_diff_png::EncodeBGRAPNG(buffer, width, height, stride,
DCHECK(filename.size() < 256u);
std::ofstream png_file;, std::ios_base::out | std::ios_base::binary);
png_file.write(reinterpret_cast<char*>(&png.front()), png.size());
// static
void BitmapSaver::WriteBitmapToPng(CFX_DIBitmap* bitmap,
const std::string& filename) {
WriteBitmapToPng(reinterpret_cast<FPDF_BITMAP>(bitmap), filename);