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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#include "SkCanvas.h"
#include "SkPaint.h"
#include "SkPicture.h"
#include "SkRandom.h"
#include "SkStream.h"
#ifdef SK_DEBUG
// Ensure that deleting SkPicturePlayback does not assert. Asserts only fire in debug mode, so only
// run in debug mode.
static void test_deleting_empty_playback() {
SkPicture picture;
// Creates an SkPictureRecord
picture.beginRecording(0, 0);
// Turns that into an SkPicturePlayback
picture.endRecording();
// Deletes the old SkPicturePlayback, and creates a new SkPictureRecord
picture.beginRecording(0, 0);
}
// Ensure that serializing an empty picture does not assert. Likewise only runs in debug mode.
static void test_serializing_empty_picture() {
SkPicture picture;
picture.beginRecording(0, 0);
picture.endRecording();
SkDynamicMemoryWStream stream;
picture.serialize(&stream);
}
#endif
static void rand_op(SkCanvas* canvas, SkRandom& rand) {
SkPaint paint;
SkRect rect = SkRect::MakeWH(50, 50);
SkScalar unit = rand.nextUScalar1();
if (unit <= 0.3) {
// SkDebugf("save\n");
canvas->save();
} else if (unit <= 0.6) {
// SkDebugf("restore\n");
canvas->restore();
} else if (unit <= 0.9) {
// SkDebugf("clip\n");
canvas->clipRect(rect);
} else {
// SkDebugf("draw\n");
canvas->drawPaint(paint);
}
}
static void test_peephole(skiatest::Reporter* reporter) {
SkRandom rand;
for (int j = 0; j < 100; j++) {
SkRandom rand2(rand.getSeed()); // remember the seed
SkPicture picture;
SkCanvas* canvas = picture.beginRecording(100, 100);
for (int i = 0; i < 1000; ++i) {
rand_op(canvas, rand);
}
picture.endRecording();
}
{
SkPicture picture;
SkCanvas* canvas = picture.beginRecording(100, 100);
SkRect rect = SkRect::MakeWH(50, 50);
for (int i = 0; i < 100; ++i) {
canvas->save();
}
while (canvas->getSaveCount() > 1) {
canvas->clipRect(rect);
canvas->restore();
}
picture.endRecording();
}
}
static void TestPicture(skiatest::Reporter* reporter) {
#ifdef SK_DEBUG
test_deleting_empty_playback();
test_serializing_empty_picture();
#endif
test_peephole(reporter);
}
#include "TestClassDef.h"
DEFINE_TESTCLASS("Pictures", PictureTestClass, TestPicture)
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