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/*
* 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;
}
REPORTER_ASSERT(r, defaultRepetitionCount == animatedImage->getRepetitionCount());
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);
REPORTER_ASSERT(r, animatedImage->getRepetitionCount() == 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);
}
}
}
}
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