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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 "SkBBHFactory.h"
#include "SkCanvas.h"
#include "SkPictureRecorder.h"
#include "SkPictureStateTree.h"
#include "Test.h"
static SkPicture* draw_scene(SkBBHFactory* bbhFactory) {
SkPictureRecorder recorder;
SkCanvas* canvas = recorder.beginRecording(200, 200, bbhFactory, 0);
SkPaint p1, p2;
p1.setStyle(SkPaint::kFill_Style);
p1.setARGB(0x80, 0, 0xff, 0);
p2.setStyle(SkPaint::kFill_Style);
p2.setARGB(0x80, 0xff, 0, 0);
canvas->drawColor(SK_ColorWHITE);
// This is intended to exercise some tricky SkPictureStateTree code paths when
// played back with various clips:
//
// * cleanup/rewind when the last draw is not at the root of the state tree.
// * state nodes with both kSave_Flag & kSaveLayer_Flag set.
// * state tree transitions which implicitly reset the matrix via. restore().
canvas->save();
canvas->translate(10, 10);
canvas->drawRect(SkRect::MakeWH(100, 50), p1);
canvas->drawRect(SkRect::MakeWH(50, 100), p2);
SkRect layerBounds = SkRect::MakeXYWH(0, 0, 90, 90);
canvas->saveLayer(&layerBounds, NULL);
canvas->save();
canvas->clipRect(layerBounds);
canvas->save();
canvas->clipRect(SkRect::MakeWH(25, 25));
canvas->rotate(90);
canvas->drawRect(SkRect::MakeWH(100, 50), p1);
canvas->restore();
canvas->save();
canvas->clipRect(SkRect::MakeWH(25, 25));
canvas->save();
canvas->rotate(90);
canvas->drawRect(SkRect::MakeWH(50, 100), p2);
canvas->restore();
canvas->drawRect(SkRect::MakeWH(100, 50), p1);
canvas->restore();
canvas->drawRect(SkRect::MakeXYWH(99, 99, 1, 1), p1);
canvas->restore();
canvas->restore();
canvas->restore();
return recorder.endRecording();
}
static void check_bms(skiatest::Reporter* reporter, const SkBitmap& bm1, const SkBitmap& bm2) {
SkASSERT(bm1.getSize() == bm2.getSize());
REPORTER_ASSERT(reporter, 0 == memcmp(bm1.getAddr(0, 0), bm2.getAddr(0, 0), bm1.getSize()));
}
static void test_reference_picture(skiatest::Reporter* reporter) {
SkRTreeFactory bbhFactory;
SkAutoTUnref<SkPicture> bbhPicture(draw_scene(&bbhFactory));
SkAutoTUnref<SkPicture> referencePicture(draw_scene(NULL));
SkBitmap referenceBitmap;
referenceBitmap.allocN32Pixels(100, 100);
SkCanvas referenceCanvas(referenceBitmap);
SkBitmap bbhBitmap;
bbhBitmap.allocN32Pixels(100, 100);
SkCanvas bbhCanvas(bbhBitmap);
referenceCanvas.drawColor(SK_ColorTRANSPARENT);
referenceCanvas.drawPicture(referencePicture.get());
bbhCanvas.drawColor(SK_ColorTRANSPARENT);
bbhCanvas.drawPicture(bbhPicture.get());
REPORTER_ASSERT(reporter,
referenceCanvas.getSaveCount() == bbhCanvas.getSaveCount());
REPORTER_ASSERT(reporter,
referenceCanvas.getTotalMatrix() == bbhCanvas.getTotalMatrix());
check_bms(reporter, referenceBitmap, bbhBitmap);
referenceCanvas.drawColor(SK_ColorTRANSPARENT);
referenceCanvas.clipRect(SkRect::MakeWH(50, 50));
referenceCanvas.drawPicture(referencePicture.get());
bbhCanvas.drawColor(SK_ColorTRANSPARENT);
bbhCanvas.clipRect(SkRect::MakeWH(50, 50));
bbhCanvas.drawPicture(bbhPicture.get());
REPORTER_ASSERT(reporter,
referenceCanvas.getSaveCount() == bbhCanvas.getSaveCount());
REPORTER_ASSERT(reporter,
referenceCanvas.getTotalMatrix() == bbhCanvas.getTotalMatrix());
check_bms(reporter, referenceBitmap, bbhBitmap);
referenceCanvas.drawColor(SK_ColorTRANSPARENT);
referenceCanvas.clipRect(SkRect::MakeWH(10, 10));
referenceCanvas.drawPicture(referencePicture.get());
bbhCanvas.drawColor(SK_ColorTRANSPARENT);
bbhCanvas.clipRect(SkRect::MakeWH(10, 10));
bbhCanvas.drawPicture(bbhPicture.get());
REPORTER_ASSERT(reporter,
referenceCanvas.getSaveCount() == bbhCanvas.getSaveCount());
REPORTER_ASSERT(reporter,
referenceCanvas.getTotalMatrix() == bbhCanvas.getTotalMatrix());
check_bms(reporter, referenceBitmap, bbhBitmap);
}
DEF_TEST(PictureStateTree, reporter) {
test_reference_picture(reporter);
}
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