PremultipliedImage render(Map& map) { PremultipliedImage result; map.renderStill([&result](std::exception_ptr, PremultipliedImage&& image) { result = std::move(image); }); while (!result.size()) { util::RunLoop::Get()->runOnce(); } return result; }
TEST(API, RepeatedRender) { using namespace mbgl; util::RunLoop loop; const auto style = util::read_file("test/fixtures/api/water.json"); auto display = std::make_shared<mbgl::HeadlessDisplay>(); HeadlessView view(display, 1, 256, 512); #ifdef MBGL_ASSET_ZIP // Regenerate with `cd test/fixtures/api/ && zip -r assets.zip assets/` DefaultFileSource fileSource(":memory:", "test/fixtures/api/assets.zip"); #else DefaultFileSource fileSource(":memory:", "test/fixtures/api/assets"); #endif Log::setObserver(std::make_unique<FixtureLogObserver>()); Map map(view, fileSource, MapMode::Still); { map.setStyleJSON(style, ""); PremultipliedImage result; map.renderStill([&result](std::exception_ptr, PremultipliedImage&& image) { result = std::move(image); }); while (!result.size()) { loop.runOnce(); } ASSERT_EQ(256, result.width); ASSERT_EQ(512, result.height); #if !TEST_READ_ONLY util::write_file("test/fixtures/api/1.png", encodePNG(result)); #endif } { map.setStyleJSON(style, ""); PremultipliedImage result; map.renderStill([&result](std::exception_ptr, PremultipliedImage&& image) { result = std::move(image); }); while (!result.size()) { loop.runOnce(); } ASSERT_EQ(256, result.width); ASSERT_EQ(512, result.height); #if !TEST_READ_ONLY util::write_file("test/fixtures/api/2.png", encodePNG(result)); #endif } auto observer = Log::removeObserver(); auto flo = dynamic_cast<FixtureLogObserver*>(observer.get()); auto unchecked = flo->unchecked(); EXPECT_TRUE(unchecked.empty()) << unchecked; }
uint64_t crc64(const PremultipliedImage &image) { return crc64(reinterpret_cast<const char*>(image.data.get()), image.size()); }
std::shared_ptr<SpriteImage> namedMarker(const std::string &name) { PremultipliedImage image = decodeImage(util::read_file("test/fixtures/sprites/" + name)); return std::make_shared<SpriteImage>(image.width, image.height, 1.0, std::string(reinterpret_cast<char*>(image.data.get()), image.size())); }