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101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
/*
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* Copyright 2017 Google, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "render_test.h"
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#include <string>
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#include "flutter/fml/logging.h"
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#include "third_party/skia/include/core/SkImageEncoder.h"
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#include "third_party/skia/include/core/SkStream.h"
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#include "txt/asset_font_manager.h"
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#include "txt/font_collection.h"
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#include "txt_test_utils.h"
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namespace txt {
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RenderTest::RenderTest()
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: snapshots_(0), font_collection_(txt::GetTestFontCollection()) {}
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RenderTest::~RenderTest() = default;
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SkCanvas* RenderTest::GetCanvas() {
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return canvas_ == nullptr ? nullptr : canvas_.get();
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}
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std::string RenderTest::GetNextSnapshotName() {
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const auto& test_info =
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::testing::UnitTest::GetInstance()->current_test_info();
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std::stringstream stream;
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stream << "snapshots/" << test_info->test_case_name() << "_"
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<< test_info->name();
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stream << "_" << ++snapshots_ << ".png";
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return stream.str();
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}
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bool RenderTest::Snapshot() {
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if (!canvas_ || !bitmap_) {
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return false;
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}
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std::string snapshot_dir = "snapshots";
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int error = 0;
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// _WIN32 defined by Windows Visual compiler.
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#if defined(_WIN32)
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// Handle windows path creation.
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error = _mkdir(snapshot_dir.c_str());
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#else
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// Handle non-windows path creation with Unix permissions.
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mode_t permissions = 0733;
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error = mkdir(snapshot_dir.c_str(), permissions);
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#endif
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if (error > 0) {
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FML_LOG(ERROR) << "'snapshot/' Directory not available and could not be "
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"created. Please create manually to save snapshot.";
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return false;
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}
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auto file_name = GetNextSnapshotName();
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SkFILEWStream file(file_name.c_str());
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return SkEncodeImage(&file, *bitmap_, SkEncodedImageFormat::kPNG, 100);
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}
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size_t RenderTest::GetTestCanvasWidth() const {
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return 1000;
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}
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size_t RenderTest::GetTestCanvasHeight() const {
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return 600;
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}
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void RenderTest::SetUp() {
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bitmap_ = std::make_unique<SkBitmap>();
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bitmap_->allocN32Pixels(GetTestCanvasWidth(), GetTestCanvasHeight());
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canvas_ = std::make_unique<SkCanvas>(*bitmap_);
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canvas_->clear(SK_ColorWHITE);
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}
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std::shared_ptr<FontCollection> RenderTest::GetTestFontCollection() const {
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return font_collection_;
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}
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void RenderTest::TearDown() {
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canvas_ = nullptr;
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bitmap_ = nullptr;
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}
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} // namespace txt
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