tests/AnimatedImageTest.cpp - platform/external/skia - Gitiles

 /*
  * Copyright 2018 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */

 #include "SkAndroidCodec.h"
 #include "SkAnimatedImage.h"
 #include "SkCanvas.h"
 #include "SkCodec.h"
 #include "SkUnPreMultiply.h"

 #include "CodecPriv.h"
 #include "Resources.h"
 #include "Test.h"
 #include "sk_tool_utils.h"

 #include <vector>

 DEF_TEST(AnimatedImage, r) {
     if (GetResourcePath().isEmpty()) {
         return;
     }
     for (const char* file : { "images/alphabetAnim.gif",
                               "images/colorTables.gif",
                               "images/webp-animated.webp",
                               "images/required.webp",
                               }) {
         auto data = GetResourceAsData(file);
         if (!data) {
             ERRORF(r, "Could not get %s", file);
             continue;
         }

         auto codec = SkCodec::MakeFromData(data);
         if (!codec) {
             ERRORF(r, "Could not create codec for %s", file);
             continue;
         }

         const int defaultRepetitionCount = codec->getRepetitionCount();
         std::vector<SkCodec::FrameInfo> frameInfos = codec->getFrameInfo();
         std::vector<SkBitmap> frames(frameInfos.size());
         // Used down below for our test image.
         const auto imageInfo = codec->getInfo().makeAlphaType(kPremul_SkAlphaType);

         for (size_t i = 0; i < frameInfos.size(); ++i) {
             auto info = codec->getInfo().makeAlphaType(frameInfos[i].fAlphaType);
             auto& bm = frames[i];

             SkCodec::Options options;
             options.fFrameIndex = (int) i;
             options.fPriorFrame = frameInfos[i].fRequiredFrame;
             if (options.fPriorFrame == SkCodec::kNone) {
                 bm.allocPixels(info);
                 bm.eraseColor(0);
             } else {
                 const SkBitmap& priorFrame = frames[options.fPriorFrame];
                 if (!sk_tool_utils::copy_to(&bm, priorFrame.colorType(), priorFrame)) {
                     ERRORF(r, "Failed to copy %s frame %i", file, options.fPriorFrame);
                     options.fPriorFrame = SkCodec::kNone;
                 }
                 REPORTER_ASSERT(r, bm.setAlphaType(frameInfos[i].fAlphaType));
             }

             auto result = codec->getPixels(info, bm.getPixels(), bm.rowBytes(), &options);
             if (result != SkCodec::kSuccess) {
                 ERRORF(r, "error in %s frame %zu: %s", file, i, SkCodec::ResultToString(result));
             }
         }

         auto androidCodec = SkAndroidCodec::MakeFromCodec(std::move(codec));
         if (!androidCodec) {
             ERRORF(r, "Could not create androidCodec for %s", file);
             continue;
         }

         auto animatedImage = SkAnimatedImage::Make(std::move(androidCodec));
         if (!animatedImage) {
             ERRORF(r, "Could not create animated image for %s", file);
             continue;
         }

         auto testDraw = [r, &frames, &imageInfo, file](const sk_sp<SkAnimatedImage>& animatedImage,
                                                        int expectedFrame) {
             SkBitmap test;
             test.allocPixels(imageInfo);
             test.eraseColor(0);
             SkCanvas c(test);
             animatedImage->draw(&c);

             const SkBitmap& frame = frames[expectedFrame];
             REPORTER_ASSERT(r, frame.colorType() == test.colorType());
             REPORTER_ASSERT(r, frame.dimensions() == test.dimensions());
             for (int i = 0; i < test.width();  ++i)
             for (int j = 0; j < test.height(); ++j) {
                 SkColor expected = SkUnPreMultiply::PMColorToColor(*frame.getAddr32(i, j));
                 SkColor actual   = SkUnPreMultiply::PMColorToColor(*test .getAddr32(i, j));
                 if (expected != actual) {
                     ERRORF(r, "frame %i of %s does not match at pixel %i, %i!"
                             " expected %x\tactual: %x",
                             expectedFrame, file, i, j, expected, actual);
                     SkString expected_name = SkStringPrintf("expected_%c", '0' + expectedFrame);
                     SkString actual_name   = SkStringPrintf("actual_%c",   '0' + expectedFrame);
                     write_bm(expected_name.c_str(), frame);
                     write_bm(actual_name.c_str(),   test);
                     return false;
                 }
             }
             return true;
         };

         REPORTER_ASSERT(r, !animatedImage->isRunning());
         if (!testDraw(animatedImage, 0)) {
             ERRORF(r, "Did not start with frame 0");
             continue;
         }

         animatedImage->start();
         REPORTER_ASSERT(r, animatedImage->isRunning());
         if (!testDraw(animatedImage, 0)) {
             ERRORF(r, "After starting, still not on frame 0");
             continue;
         }

         // Start at an arbitrary time.
         double currentTime = 100000;
         bool failed = false;
         for (size_t i = 0; i < frameInfos.size(); ++i) {
             double next = animatedImage->update(currentTime);
             if (i == frameInfos.size() - 1 && defaultRepetitionCount == 0) {
                 REPORTER_ASSERT(r, next == SkAnimatedImage::kNotRunning);
                 REPORTER_ASSERT(r, !animatedImage->isRunning());
                 REPORTER_ASSERT(r, animatedImage->isFinished());
             } else {
                 REPORTER_ASSERT(r, animatedImage->isRunning());
                 REPORTER_ASSERT(r, !animatedImage->isFinished());
                 double expectedNext = currentTime + frameInfos[i].fDuration;
                 if (next != expectedNext) {
                     ERRORF(r, "Time did not match for frame %i: next: %g expected: %g",
                             i, next, expectedNext);
                     failed = true;
                     break;
                 }
             }

             if (!testDraw(animatedImage, i)) {
                 ERRORF(r, "Did not update to %i properly", i);
                 failed = true;
                 break;
             }

             // Update, but not to the next frame.
             REPORTER_ASSERT(r, animatedImage->update((next - currentTime) / 2) == next);
             if (!testDraw(animatedImage, i)) {
                 ERRORF(r, "Should still be on frame %i", i);
                 failed = true;
                 break;
             }

             currentTime = next;
         }

         if (failed) {
             continue;
         }

         // Create a new animated image and test stop.
         animatedImage = SkAnimatedImage::Make(SkAndroidCodec::MakeFromCodec(
                     SkCodec::MakeFromData(data)));

         animatedImage->start();
         currentTime = 100000;
         // Do not go to the last frame, so it should still be running after.
         for (size_t i = 0; i < frameInfos.size() - 1; ++i) {
             double next = animatedImage->update(currentTime);
             if (!testDraw(animatedImage, i)) {
                 ERRORF(r, "Error during stop tests.");
                 failed = true;
                 break;
             }

             double interval = next - currentTime;
             animatedImage->stop();
             REPORTER_ASSERT(r, !animatedImage->isRunning());
             REPORTER_ASSERT(r, !animatedImage->isFinished());

             currentTime = next;
             double stoppedNext = animatedImage->update(currentTime);
             REPORTER_ASSERT(r, stoppedNext == SkAnimatedImage::kNotRunning);
             if (!testDraw(animatedImage, i)) {
                 ERRORF(r, "Advanced the frame while stopped?");
                 failed = true;
                 break;
             }

             animatedImage->start();
             currentTime += interval;
         }

         if (failed) {
             return;
         }

         REPORTER_ASSERT(r, animatedImage->isRunning());
         REPORTER_ASSERT(r, !animatedImage->isFinished());
         animatedImage->reset();
         if (!testDraw(animatedImage, 0)) {
             ERRORF(r, "reset failed");
             continue;
         }

         for (int loopCount : { 0, 1, 2, 5 }) {
             animatedImage = SkAnimatedImage::Make(SkAndroidCodec::MakeFromCodec(
                         SkCodec::MakeFromData(data)));
             animatedImage->start();
             animatedImage->setRepetitionCount(loopCount);
             for (int loops = 0; loops <= loopCount; loops++) {
                 REPORTER_ASSERT(r, animatedImage->isRunning());
                 REPORTER_ASSERT(r, !animatedImage->isFinished());
                 for (size_t i = 0; i < frameInfos.size(); ++i) {
                     double next = animatedImage->update(currentTime);
                     if (animatedImage->isRunning()) {
                         currentTime = next;
                     } else {
                         REPORTER_ASSERT(r, next == SkAnimatedImage::kNotRunning);
                     }
                 }
             }

             if (animatedImage->isRunning()) {
                 ERRORF(r, "%s animation still running after %i loops", file, loopCount);
             }

             if (!animatedImage->isFinished()) {
                 ERRORF(r, "%s animation should have finished with specified loop count (%i)",
                           file, loopCount);
             }
         }
     }
 }
	/*
	* Copyright 2018 Google Inc.
	*
	* Use of this source code is governed by a BSD-style license that can be
	* found in the LICENSE file.
	*/

	#include "SkAndroidCodec.h"
	#include "SkAnimatedImage.h"
	#include "SkCanvas.h"
	#include "SkCodec.h"
	#include "SkUnPreMultiply.h"

	#include "CodecPriv.h"
	#include "Resources.h"
	#include "Test.h"
	#include "sk_tool_utils.h"

	#include <vector>

	DEF_TEST(AnimatedImage, r) {
	if (GetResourcePath().isEmpty()) {
	return;
	}
	for (const char* file : { "images/alphabetAnim.gif",
	"images/colorTables.gif",
	"images/webp-animated.webp",
	"images/required.webp",
	}) {
	auto data = GetResourceAsData(file);
	if (!data) {
	ERRORF(r, "Could not get %s", file);
	continue;
	}

	auto codec = SkCodec::MakeFromData(data);
	if (!codec) {
	ERRORF(r, "Could not create codec for %s", file);
	continue;
	}

	const int defaultRepetitionCount = codec->getRepetitionCount();
	std::vector<SkCodec::FrameInfo> frameInfos = codec->getFrameInfo();
	std::vector<SkBitmap> frames(frameInfos.size());
	// Used down below for our test image.
	const auto imageInfo = codec->getInfo().makeAlphaType(kPremul_SkAlphaType);

	for (size_t i = 0; i < frameInfos.size(); ++i) {
	auto info = codec->getInfo().makeAlphaType(frameInfos[i].fAlphaType);
	auto& bm = frames[i];

	SkCodec::Options options;
	options.fFrameIndex = (int) i;
	options.fPriorFrame = frameInfos[i].fRequiredFrame;
	if (options.fPriorFrame == SkCodec::kNone) {
	bm.allocPixels(info);
	bm.eraseColor(0);
	} else {
	const SkBitmap& priorFrame = frames[options.fPriorFrame];
	if (!sk_tool_utils::copy_to(&bm, priorFrame.colorType(), priorFrame)) {
	ERRORF(r, "Failed to copy %s frame %i", file, options.fPriorFrame);
	options.fPriorFrame = SkCodec::kNone;
	}
	REPORTER_ASSERT(r, bm.setAlphaType(frameInfos[i].fAlphaType));
	}

	auto result = codec->getPixels(info, bm.getPixels(), bm.rowBytes(), &options);
	if (result != SkCodec::kSuccess) {
	ERRORF(r, "error in %s frame %zu: %s", file, i, SkCodec::ResultToString(result));
	}
	}

	auto androidCodec = SkAndroidCodec::MakeFromCodec(std::move(codec));
	if (!androidCodec) {
	ERRORF(r, "Could not create androidCodec for %s", file);
	continue;
	}

	auto animatedImage = SkAnimatedImage::Make(std::move(androidCodec));
	if (!animatedImage) {
	ERRORF(r, "Could not create animated image for %s", file);
	continue;
	}

	auto testDraw = [r, &frames, &imageInfo, file](const sk_sp<SkAnimatedImage>& animatedImage,
	int expectedFrame) {
	SkBitmap test;
	test.allocPixels(imageInfo);
	test.eraseColor(0);
	SkCanvas c(test);
	animatedImage->draw(&c);

	const SkBitmap& frame = frames[expectedFrame];
	REPORTER_ASSERT(r, frame.colorType() == test.colorType());
	REPORTER_ASSERT(r, frame.dimensions() == test.dimensions());
	for (int i = 0; i < test.width(); ++i)
	for (int j = 0; j < test.height(); ++j) {
	SkColor expected = SkUnPreMultiply::PMColorToColor(*frame.getAddr32(i, j));
	SkColor actual = SkUnPreMultiply::PMColorToColor(*test .getAddr32(i, j));
	if (expected != actual) {
	ERRORF(r, "frame %i of %s does not match at pixel %i, %i!"
	" expected %x\tactual: %x",
	expectedFrame, file, i, j, expected, actual);
	SkString expected_name = SkStringPrintf("expected_%c", '0' + expectedFrame);
	SkString actual_name = SkStringPrintf("actual_%c", '0' + expectedFrame);
	write_bm(expected_name.c_str(), frame);
	write_bm(actual_name.c_str(), test);
	return false;
	}
	}
	return true;
	};

	REPORTER_ASSERT(r, !animatedImage->isRunning());
	if (!testDraw(animatedImage, 0)) {
	ERRORF(r, "Did not start with frame 0");
	continue;
	}

	animatedImage->start();
	REPORTER_ASSERT(r, animatedImage->isRunning());
	if (!testDraw(animatedImage, 0)) {
	ERRORF(r, "After starting, still not on frame 0");
	continue;
	}

	// Start at an arbitrary time.
	double currentTime = 100000;
	bool failed = false;
	for (size_t i = 0; i < frameInfos.size(); ++i) {
	double next = animatedImage->update(currentTime);
	if (i == frameInfos.size() - 1 && defaultRepetitionCount == 0) {
	REPORTER_ASSERT(r, next == SkAnimatedImage::kNotRunning);
	REPORTER_ASSERT(r, !animatedImage->isRunning());
	REPORTER_ASSERT(r, animatedImage->isFinished());
	} else {
	REPORTER_ASSERT(r, animatedImage->isRunning());
	REPORTER_ASSERT(r, !animatedImage->isFinished());
	double expectedNext = currentTime + frameInfos[i].fDuration;
	if (next != expectedNext) {
	ERRORF(r, "Time did not match for frame %i: next: %g expected: %g",
	i, next, expectedNext);
	failed = true;
	break;
	}
	}

	if (!testDraw(animatedImage, i)) {
	ERRORF(r, "Did not update to %i properly", i);
	failed = true;
	break;
	}

	// Update, but not to the next frame.
	REPORTER_ASSERT(r, animatedImage->update((next - currentTime) / 2) == next);
	if (!testDraw(animatedImage, i)) {
	ERRORF(r, "Should still be on frame %i", i);
	failed = true;
	break;
	}

	currentTime = next;
	}

	if (failed) {
	continue;
	}

	// Create a new animated image and test stop.
	animatedImage = SkAnimatedImage::Make(SkAndroidCodec::MakeFromCodec(
	SkCodec::MakeFromData(data)));

	animatedImage->start();
	currentTime = 100000;
	// Do not go to the last frame, so it should still be running after.
	for (size_t i = 0; i < frameInfos.size() - 1; ++i) {
	double next = animatedImage->update(currentTime);
	if (!testDraw(animatedImage, i)) {
	ERRORF(r, "Error during stop tests.");
	failed = true;
	break;
	}

	double interval = next - currentTime;
	animatedImage->stop();
	REPORTER_ASSERT(r, !animatedImage->isRunning());
	REPORTER_ASSERT(r, !animatedImage->isFinished());

	currentTime = next;
	double stoppedNext = animatedImage->update(currentTime);
	REPORTER_ASSERT(r, stoppedNext == SkAnimatedImage::kNotRunning);
	if (!testDraw(animatedImage, i)) {
	ERRORF(r, "Advanced the frame while stopped?");
	failed = true;
	break;
	}

	animatedImage->start();
	currentTime += interval;
	}

	if (failed) {
	return;
	}

	REPORTER_ASSERT(r, animatedImage->isRunning());
	REPORTER_ASSERT(r, !animatedImage->isFinished());
	animatedImage->reset();
	if (!testDraw(animatedImage, 0)) {
	ERRORF(r, "reset failed");
	continue;
	}

	for (int loopCount : { 0, 1, 2, 5 }) {
	animatedImage = SkAnimatedImage::Make(SkAndroidCodec::MakeFromCodec(
	SkCodec::MakeFromData(data)));
	animatedImage->start();
	animatedImage->setRepetitionCount(loopCount);
	for (int loops = 0; loops <= loopCount; loops++) {
	REPORTER_ASSERT(r, animatedImage->isRunning());
	REPORTER_ASSERT(r, !animatedImage->isFinished());
	for (size_t i = 0; i < frameInfos.size(); ++i) {
	double next = animatedImage->update(currentTime);
	if (animatedImage->isRunning()) {
	currentTime = next;
	} else {
	REPORTER_ASSERT(r, next == SkAnimatedImage::kNotRunning);
	}
	}
	}

	if (animatedImage->isRunning()) {
	ERRORF(r, "%s animation still running after %i loops", file, loopCount);
	}

	if (!animatedImage->isFinished()) {
	ERRORF(r, "%s animation should have finished with specified loop count (%i)",
	file, loopCount);
	}
	}
	}
	}