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/*
* Copyright 2014 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 "SkPictureRecorder.h"
#include "SkRecord.h"
#include "SkRecorder.h"
#include "SkRecords.h"
#include "SkShader.h"
#include "SkSurface.h"
#define COUNT(T) + 1
static const int kRecordTypes = SK_RECORD_TYPES(COUNT);
#undef COUNT
// Tallies the types of commands it sees into a histogram.
class Tally {
public:
Tally() { sk_bzero(&fHistogram, sizeof(fHistogram)); }
template <typename T>
void operator()(const T&) { ++fHistogram[T::kType]; }
template <typename T>
int count() const { return fHistogram[T::kType]; }
void apply(const SkRecord& record) {
for (unsigned i = 0; i < record.count(); i++) {
record.visit<void>(i, *this);
}
}
private:
int fHistogram[kRecordTypes];
};
DEF_TEST(Recorder, r) {
SkRecord record;
SkRecorder recorder(&record, 1920, 1080);
recorder.drawRect(SkRect::MakeWH(10, 10), SkPaint());
Tally tally;
tally.apply(record);
REPORTER_ASSERT(r, 1 == tally.count<SkRecords::DrawRect>());
}
// All of Skia will work fine without support for comment groups, but
// Chrome's inspector can break. This serves as a simple regression test.
DEF_TEST(Recorder_CommentGroups, r) {
SkRecord record;
SkRecorder recorder(&record, 1920, 1080);
recorder.beginCommentGroup("test");
recorder.addComment("foo", "bar");
recorder.addComment("baz", "quux");
recorder.endCommentGroup();
Tally tally;
tally.apply(record);
REPORTER_ASSERT(r, 1 == tally.count<SkRecords::BeginCommentGroup>());
REPORTER_ASSERT(r, 2 == tally.count<SkRecords::AddComment>());
REPORTER_ASSERT(r, 1 == tally.count<SkRecords::EndCommentGroup>());
}
// DrawData is similar to comment groups. It doesn't affect drawing, but
// it's a pass-through we provide to the client. Again, a simple reg. test.
DEF_TEST(Recorder_DrawData, r) {
SkRecord record;
SkRecorder recorder(&record, 100, 100);
const char* data = "This sure is some data, eh?";
recorder.drawData(data, strlen(data));
Tally tally;
tally.apply(record);
REPORTER_ASSERT(r, 1 == tally.count<SkRecords::DrawData>());
}
// Regression test for leaking refs held by optional arguments.
DEF_TEST(Recorder_RefLeaking, r) {
// We use SaveLayer to test:
// - its SkRect argument is optional and SkRect is POD. Just testing that that works.
// - its SkPaint argument is optional and SkPaint is not POD. The bug was here.
SkRect bounds = SkRect::MakeWH(320, 240);
SkPaint paint;
paint.setShader(SkShader::CreateEmptyShader())->unref();
REPORTER_ASSERT(r, paint.getShader()->unique());
{
SkRecord record;
SkRecorder recorder(&record, 1920, 1080);
recorder.saveLayer(&bounds, &paint);
REPORTER_ASSERT(r, !paint.getShader()->unique());
}
REPORTER_ASSERT(r, paint.getShader()->unique());
}
DEF_TEST(Recorder_RefPictures, r) {
SkAutoTUnref<SkPicture> pic;
{
SkPictureRecorder pr;
SkCanvas* canvas = pr.beginRecording(100, 100);
canvas->drawColor(SK_ColorRED);
pic.reset(pr.endRecording());
}
REPORTER_ASSERT(r, pic->unique());
{
SkRecord record;
SkRecorder recorder(&record, 100, 100);
recorder.drawPicture(pic);
// the recorder should now also be an owner
REPORTER_ASSERT(r, !pic->unique());
}
// the recorder destructor should have released us (back to unique)
REPORTER_ASSERT(r, pic->unique());
}
DEF_TEST(Recorder_IsDrawingToLayer, r) {
SkRecord record;
SkRecorder recorder(&record, 100, 100);
// We'll save, saveLayer, save, and saveLayer, then restore them all,
// checking that isDrawingToLayer() is correct at each step.
REPORTER_ASSERT(r, !recorder.isDrawingToLayer());
recorder.save();
REPORTER_ASSERT(r, !recorder.isDrawingToLayer());
recorder.saveLayer(NULL, NULL);
REPORTER_ASSERT(r, recorder.isDrawingToLayer());
recorder.save();
REPORTER_ASSERT(r, recorder.isDrawingToLayer());
recorder.saveLayer(NULL, NULL);
REPORTER_ASSERT(r, recorder.isDrawingToLayer());
recorder.restore();
REPORTER_ASSERT(r, recorder.isDrawingToLayer());
recorder.restore();
REPORTER_ASSERT(r, recorder.isDrawingToLayer());
recorder.restore();
REPORTER_ASSERT(r, !recorder.isDrawingToLayer());
recorder.restore();
REPORTER_ASSERT(r, !recorder.isDrawingToLayer());
}
DEF_TEST(Recorder_drawImage_takeReference, reporter) {
SkAutoTUnref<SkImage> image;
{
SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterPMColor(100, 100));
surface->getCanvas()->clear(SK_ColorGREEN);
image.reset(surface->newImageSnapshot());
}
{
SkRecord record;
SkRecorder recorder(&record, 100, 100);
// DrawImage is supposed to take a reference
recorder.drawImage(image.get(), 0, 0);
REPORTER_ASSERT(reporter, !image->unique());
Tally tally;
tally.apply(record);
REPORTER_ASSERT(reporter, 1 == tally.count<SkRecords::DrawImage>());
}
REPORTER_ASSERT(reporter, image->unique());
{
SkRecord record;
SkRecorder recorder(&record, 100, 100);
// DrawImageRect is supposed to take a reference
recorder.drawImageRect(image.get(), 0, SkRect::MakeWH(100, 100));
REPORTER_ASSERT(reporter, !image->unique());
Tally tally;
tally.apply(record);
REPORTER_ASSERT(reporter, 1 == tally.count<SkRecords::DrawImageRect>());
}
REPORTER_ASSERT(reporter, image->unique());
}
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