Huibao Lin
90 lines
3.5 KiB
C++
90 lines
3.5 KiB
C++
/*
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* Copyright 2010 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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// Author: jmaessen@google.com (Jan Maessen)
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//
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// Some common routines and constants for tests dealing with Images
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#include "net/instaweb/rewriter/public/image_test_base.h"
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#include "pagespeed/kernel/base/gtest.h"
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#include "pagespeed/kernel/base/stdio_file_system.h"
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#include "pagespeed/kernel/base/string.h"
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#include "pagespeed/kernel/base/string_util.h"
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#include "pagespeed/kernel/image/image_util.h"
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namespace net_instaweb {
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const char ImageTestBase::kTestData[] = "/net/instaweb/rewriter/testdata/";
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const char ImageTestBase::kAppSegments[] = "AppSegments.jpg";
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const char ImageTestBase::kBikeCrash[] = "BikeCrashIcn.png";
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const char ImageTestBase::kCradle[] = "CradleAnimation.gif";
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const char ImageTestBase::kCuppa[] = "Cuppa.png";
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const char ImageTestBase::kCuppaTransparent[] = "CuppaT.png";
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const char ImageTestBase::kIronChef[] = "IronChef2.gif";
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const char ImageTestBase::kPuzzle[] = "Puzzle.jpg";
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const char ImageTestBase::kScenery[] = "Scenery.webp";
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const char ImageTestBase::kTransparent[] = "transparent.gif";
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// From: http://libpng.org/pub/png/png-RedbrushAlpha.html
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const char ImageTestBase::kRedbrush[] = "RedbrushAlpha-0.5.png";
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ImageTestBase::~ImageTestBase() {
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}
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// We use the output_type (ultimate expected output type after image
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// processing) to set up rewrite permissions for the resulting Image object.
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Image* ImageTestBase::ImageFromString(
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ImageType output_type, const GoogleString& name,
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const GoogleString& contents, bool progressive) {
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net_instaweb::Image::CompressionOptions* image_options =
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new net_instaweb::Image::CompressionOptions();
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if (output_type == IMAGE_WEBP) {
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image_options->preferred_webp = pagespeed::image_compression::WEBP_LOSSY;
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} else if (output_type == IMAGE_WEBP_LOSSLESS_OR_ALPHA) {
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image_options->preferred_webp = pagespeed::image_compression::WEBP_LOSSLESS;
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} else {
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image_options->preferred_webp = pagespeed::image_compression::WEBP_NONE;
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}
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image_options->jpeg_quality = -1;
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image_options->progressive_jpeg = progressive;
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image_options->convert_png_to_jpeg = output_type == IMAGE_JPEG;
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image_options->recompress_png = true;
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return NewImage(contents, name, GTestTempDir(), image_options,
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&timer_, &message_handler_);
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}
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Image* ImageTestBase::ReadFromFileWithOptions(
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const char* name, GoogleString* contents,
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Image::CompressionOptions* options) {
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EXPECT_TRUE(file_system_.ReadFile(
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StrCat(GTestSrcDir(), kTestData, name).c_str(),
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contents, &message_handler_));
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return NewImage(*contents, name, GTestTempDir(), options,
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&timer_, &message_handler_);
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}
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Image* ImageTestBase::ReadImageFromFile(
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ImageType output_type, const char* filename, GoogleString* buffer,
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bool progressive) {
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EXPECT_TRUE(file_system_.ReadFile(
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StrCat(GTestSrcDir(), kTestData, filename).c_str(),
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buffer, &message_handler_));
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return ImageFromString(output_type, filename, *buffer, progressive);
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}
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} // namespace net_instaweb
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