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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Resources.h"
#include "SkCanvas.h"
#include "SkPipe.h"
#include "SkPaint.h"
#include "SkStream.h"
#include "SkSurface.h"
#include "Test.h"
#include "SkNullCanvas.h"
#include "SkAutoPixmapStorage.h"
#include "SkPictureRecorder.h"
static void drain(SkPipeDeserializer* deserial, SkDynamicMemoryWStream* stream) {
std::unique_ptr<SkCanvas> canvas = SkMakeNullCanvas();
sk_sp<SkData> data = stream->detachAsData();
deserial->playback(data->data(), data->size(), canvas.get());
}
static bool deep_equal(SkImage* a, SkImage* b) {
if (a->width() != b->width() || a->height() != b->height()) {
return false;
}
const SkImageInfo info = SkImageInfo::MakeN32Premul(a->width(), a->height());
SkAutoPixmapStorage pmapA, pmapB;
pmapA.alloc(info);
pmapB.alloc(info);
if (!a->readPixels(pmapA, 0, 0) || !b->readPixels(pmapB, 0, 0)) {
return false;
}
for (int y = 0; y < info.height(); ++y) {
if (memcmp(pmapA.addr32(0, y), pmapB.addr32(0, y), info.width() * sizeof(SkPMColor))) {
return false;
}
}
return true;
}
DEF_TEST(Pipe_image_draw_first, reporter) {
sk_sp<SkImage> img = GetResourceAsImage("images/mandrill_128.png");
SkASSERT(img.get());
SkPipeSerializer serializer;
SkPipeDeserializer deserializer;
SkDynamicMemoryWStream stream;
SkCanvas* wc = serializer.beginWrite(SkRect::MakeWH(100, 100), &stream);
wc->drawImage(img, 0, 0, nullptr);
serializer.endWrite();
size_t offset0 = stream.bytesWritten();
REPORTER_ASSERT(reporter, offset0 > 100); // the raw image must be sorta big
drain(&deserializer, &stream);
// try drawing the same image again -- it should be much smaller
wc = serializer.beginWrite(SkRect::MakeWH(100, 100), &stream);
wc->drawImage(img, 0, 0, nullptr);
size_t offset1 = stream.bytesWritten();
serializer.endWrite();
REPORTER_ASSERT(reporter, offset1 <= 32);
drain(&deserializer, &stream);
// try serializing the same image directly, again it should be small
sk_sp<SkData> data = serializer.writeImage(img.get());
size_t offset2 = data->size();
REPORTER_ASSERT(reporter, offset2 <= 32);
auto img1 = deserializer.readImage(data.get());
REPORTER_ASSERT(reporter, deep_equal(img.get(), img1.get()));
// try serializing the same image directly (again), check that it is the same!
data = serializer.writeImage(img.get());
size_t offset3 = data->size();
REPORTER_ASSERT(reporter, offset3 <= 32);
auto img2 = deserializer.readImage(data.get());
REPORTER_ASSERT(reporter, img1.get() == img2.get());
}
DEF_TEST(Pipe_image_draw_second, reporter) {
sk_sp<SkImage> img = GetResourceAsImage("images/mandrill_128.png");
SkASSERT(img.get());
SkPipeSerializer serializer;
SkPipeDeserializer deserializer;
SkDynamicMemoryWStream stream;
sk_sp<SkData> data = serializer.writeImage(img.get());
size_t offset0 = data->size();
REPORTER_ASSERT(reporter, offset0 > 100); // the raw image must be sorta big
auto img1 = deserializer.readImage(data.get());
// The 2nd image should be nice and small
data = serializer.writeImage(img.get());
size_t offset1 = data->size();
REPORTER_ASSERT(reporter, offset1 <= 16);
auto img2 = deserializer.readImage(data.get());
REPORTER_ASSERT(reporter, img1.get() == img2.get());
// Now try drawing the image, it should also be small
SkCanvas* wc = serializer.beginWrite(SkRect::MakeWH(100, 100), &stream);
wc->drawImage(img, 0, 0, nullptr);
serializer.endWrite();
size_t offset2 = stream.bytesWritten();
REPORTER_ASSERT(reporter, offset2 <= 16);
}
DEF_TEST(Pipe_picture_draw_first, reporter) {
sk_sp<SkPicture> picture = []() {
SkPictureRecorder rec;
SkCanvas* c = rec.beginRecording(SkRect::MakeWH(100, 100));
for (int i = 0; i < 100; ++i) {
c->drawColor(i);
}
return rec.finishRecordingAsPicture();
}();
SkPipeSerializer serializer;
SkPipeDeserializer deserializer;
SkDynamicMemoryWStream stream;
SkCanvas* wc = serializer.beginWrite(SkRect::MakeWH(100, 100), &stream);
wc->drawPicture(picture);
serializer.endWrite();
size_t offset0 = stream.bytesWritten();
REPORTER_ASSERT(reporter, offset0 > 100); // the raw picture must be sorta big
drain(&deserializer, &stream);
// try drawing the same picture again -- it should be much smaller
wc = serializer.beginWrite(SkRect::MakeWH(100, 100), &stream);
wc->drawPicture(picture);
size_t offset1 = stream.bytesWritten();
serializer.endWrite();
REPORTER_ASSERT(reporter, offset1 <= 16);
drain(&deserializer, &stream);
// try writing the picture directly, it should also be small
sk_sp<SkData> data = serializer.writePicture(picture.get());
size_t offset2 = data->size();
REPORTER_ASSERT(reporter, offset2 <= 16);
auto pic1 = deserializer.readPicture(data.get());
// try writing the picture directly, it should also be small
data = serializer.writePicture(picture.get());
size_t offset3 = data->size();
REPORTER_ASSERT(reporter, offset3 == offset2);
auto pic2 = deserializer.readPicture(data.get());
REPORTER_ASSERT(reporter, pic1.get() == pic2.get());
}
DEF_TEST(Pipe_picture_draw_second, reporter) {
sk_sp<SkPicture> picture = []() {
SkPictureRecorder rec;
SkCanvas* c = rec.beginRecording(SkRect::MakeWH(100, 100));
for (int i = 0; i < 100; ++i) {
c->drawColor(i);
}
return rec.finishRecordingAsPicture();
}();
SkPipeSerializer serializer;
SkPipeDeserializer deserializer;
SkDynamicMemoryWStream stream;
sk_sp<SkData> data = serializer.writePicture(picture.get());
size_t offset0 = data->size();
REPORTER_ASSERT(reporter, offset0 > 100); // the raw picture must be sorta big
auto pic1 = deserializer.readPicture(data.get());
// The 2nd picture should be nice and small
data = serializer.writePicture(picture.get());
size_t offset1 = data->size();
REPORTER_ASSERT(reporter, offset1 <= 16);
auto pic2 = deserializer.readPicture(data.get());
SkASSERT(pic1.get() == pic2.get());
// Now try drawing the image, it should also be small
SkCanvas* wc = serializer.beginWrite(SkRect::MakeWH(100, 100), &stream);
wc->drawPicture(picture);
serializer.endWrite();
size_t offset2 = stream.bytesWritten();
REPORTER_ASSERT(reporter, offset2 <= 16);
}
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