tests/RecordDrawTest.cpp - platform/external/skia - Gitiles

 /*
  * 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 "RecordTestUtils.h"

 #include "SkDebugCanvas.h"
 #include "SkDropShadowImageFilter.h"
 #include "SkImagePriv.h"
 #include "SkRecord.h"
 #include "SkRecordDraw.h"
 #include "SkRecordOpts.h"
 #include "SkRecorder.h"
 #include "SkRecords.h"
 #include "SkSurface.h"

 static const int W = 1920, H = 1080;

 class JustOneDraw : public SkPicture::AbortCallback {
 public:
     JustOneDraw() : fCalls(0) {}

     bool abort() override { return fCalls++ > 0; }
 private:
     int fCalls;
 };

 DEF_TEST(RecordDraw_LazySaves, r) {
     // Record two commands.
     SkRecord record;
     SkRecorder recorder(&record, W, H);

     REPORTER_ASSERT(r, 0 == record.count());
     recorder.save();
     REPORTER_ASSERT(r, 0 == record.count());    // the save was not recorded (yet)
     recorder.drawColor(SK_ColorRED);
     REPORTER_ASSERT(r, 1 == record.count());
     recorder.scale(2, 2);
     REPORTER_ASSERT(r, 3 == record.count());    // now we see the save
     recorder.restore();
     REPORTER_ASSERT(r, 4 == record.count());

     assert_type<SkRecords::DrawPaint>(r, record, 0);
     assert_type<SkRecords::Save>     (r, record, 1);
     assert_type<SkRecords::SetMatrix>(r, record, 2);
     assert_type<SkRecords::Restore>  (r, record, 3);

     recorder.save();
     recorder.save();
     recorder.restore();
     recorder.restore();
     REPORTER_ASSERT(r, 4 == record.count());
 }

 DEF_TEST(RecordDraw_Abort, r) {
     // Record two commands.
     SkRecord record;
     SkRecorder recorder(&record, W, H);
     recorder.drawRect(SkRect::MakeWH(200, 300), SkPaint());
     recorder.clipRect(SkRect::MakeWH(100, 200));

     SkRecord rerecord;
     SkRecorder canvas(&rerecord, W, H);

     JustOneDraw callback;
     SkRecordDraw(record, &canvas, NULL, NULL, 0, NULL/*bbh*/, &callback);

     REPORTER_ASSERT(r, 1 == count_instances_of_type<SkRecords::DrawRect>(rerecord));
     REPORTER_ASSERT(r, 0 == count_instances_of_type<SkRecords::ClipRect>(rerecord));
 }

 DEF_TEST(RecordDraw_Unbalanced, r) {
     SkRecord record;
     SkRecorder recorder(&record, W, H);
     recorder.save();  // We won't balance this, but SkRecordDraw will for us.
     recorder.scale(2, 2);

     SkRecord rerecord;
     SkRecorder canvas(&rerecord, W, H);
     SkRecordDraw(record, &canvas, NULL, NULL, 0, NULL/*bbh*/, NULL/*callback*/);

     int save_count = count_instances_of_type<SkRecords::Save>(rerecord);
     int restore_count = count_instances_of_type<SkRecords::Save>(rerecord);
     REPORTER_ASSERT(r, save_count == restore_count);
 }

 DEF_TEST(RecordDraw_SetMatrixClobber, r) {
     // Set up an SkRecord that just scales by 2x,3x.
     SkRecord scaleRecord;
     SkRecorder scaleCanvas(&scaleRecord, W, H);
     SkMatrix scale;
     scale.setScale(2, 3);
     scaleCanvas.setMatrix(scale);

     // Set up an SkRecord with an initial +20, +20 translate.
     SkRecord translateRecord;
     SkRecorder translateCanvas(&translateRecord, W, H);
     SkMatrix translate;
     translate.setTranslate(20, 20);
     translateCanvas.setMatrix(translate);

     SkRecordDraw(scaleRecord, &translateCanvas, NULL, NULL, 0, NULL/*bbh*/, NULL/*callback*/);
     REPORTER_ASSERT(r, 4 == translateRecord.count());
     assert_type<SkRecords::SetMatrix>(r, translateRecord, 0);
     assert_type<SkRecords::Save>     (r, translateRecord, 1);
     assert_type<SkRecords::SetMatrix>(r, translateRecord, 2);
     assert_type<SkRecords::Restore>  (r, translateRecord, 3);

     // When we look at translateRecord now, it should have its first +20,+20 translate,
     // then a 2x,3x scale that's been concatted with that +20,+20 translate.
     const SkRecords::SetMatrix* setMatrix;
     setMatrix = assert_type<SkRecords::SetMatrix>(r, translateRecord, 0);
     REPORTER_ASSERT(r, setMatrix->matrix == translate);

     setMatrix = assert_type<SkRecords::SetMatrix>(r, translateRecord, 2);
     SkMatrix expected = scale;
     expected.postConcat(translate);
     REPORTER_ASSERT(r, setMatrix->matrix == expected);
 }

 struct TestBBH : public SkBBoxHierarchy {
     void insert(const SkRect boundsArray[], int N) override {
         fEntries.setCount(N);
         for (int i = 0; i < N; i++) {
             Entry e = { (unsigned)i, boundsArray[i] };
             fEntries[i] = e;
         }
     }

     void search(const SkRect& query, SkTDArray<unsigned>* results) const override {}
     size_t bytesUsed() const override { return 0; }
     SkRect getRootBound() const override { return SkRect::MakeEmpty(); }

     struct Entry {
         unsigned opIndex;
         SkRect bounds;
     };
     SkTDArray<Entry> fEntries;
 };

 // Like a==b, with a little slop recognizing that float equality can be weird.
 static bool sloppy_rect_eq(SkRect a, SkRect b) {
     SkRect inset(a), outset(a);
     inset.inset(1, 1);
     outset.outset(1, 1);
     return outset.contains(b) && !inset.contains(b);
 }

 // This test is not meant to make total sense yet.  It's testing the status quo
 // of SkRecordFillBounds(), which itself doesn't make total sense yet.
 DEF_TEST(RecordDraw_BBH, r) {
     SkRecord record;
     SkRecorder recorder(&record, W, H);
     recorder.save();
         recorder.clipRect(SkRect::MakeWH(400, 500));
         recorder.scale(2, 2);
         recorder.drawRect(SkRect::MakeWH(320, 240), SkPaint());
     recorder.restore();

     TestBBH bbh;
     SkRecordFillBounds(SkRect::MakeWH(SkIntToScalar(W), SkIntToScalar(H)), record, &bbh);

     REPORTER_ASSERT(r, bbh.fEntries.count() == 5);
     for (int i = 0; i < bbh.fEntries.count(); i++) {
         REPORTER_ASSERT(r, bbh.fEntries[i].opIndex == (unsigned)i);

         REPORTER_ASSERT(r, sloppy_rect_eq(SkRect::MakeWH(400, 480), bbh.fEntries[i].bounds));
     }
 }

 // A regression test for crbug.com/409110.
 DEF_TEST(RecordDraw_TextBounds, r) {
     SkRecord record;
     SkRecorder recorder(&record, W, H);

     // Two Chinese characters in UTF-8.
     const char text[] = { '\xe6', '\xbc', '\xa2', '\xe5', '\xad', '\x97' };
     const size_t bytes = SK_ARRAY_COUNT(text);

     const SkScalar xpos[] = { 10, 20 };
     recorder.drawPosTextH(text, bytes, xpos, 30, SkPaint());

     const SkPoint pos[] = { {40, 50}, {60, 70} };
     recorder.drawPosText(text, bytes, pos, SkPaint());

     TestBBH bbh;
     SkRecordFillBounds(SkRect::MakeWH(SkIntToScalar(W), SkIntToScalar(H)), record, &bbh);
     REPORTER_ASSERT(r, bbh.fEntries.count() == 2);

     // We can make these next assertions confidently because SkRecordFillBounds
     // builds its bounds by overestimating font metrics in a platform-independent way.
     // If that changes, these tests will need to be more flexible.
     REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[0].bounds, SkRect::MakeLTRB(0,  0, 140, 60)));
     REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[1].bounds, SkRect::MakeLTRB(0, 20, 180, 100)));
 }

 // Base test to ensure start/stop range is respected
 DEF_TEST(RecordDraw_PartialStartStop, r) {
     static const int kWidth = 10, kHeight = 10;

     SkRect r1 = { 0, 0, kWidth,   kHeight };
     SkRect r2 = { 0, 0, kWidth,   kHeight/2 };
     SkRect r3 = { 0, 0, kWidth/2, kHeight };
     SkPaint p;

     SkRecord record;
     SkRecorder recorder(&record, kWidth, kHeight);
     recorder.drawRect(r1, p);
     recorder.drawRect(r2, p);
     recorder.drawRect(r3, p);

     SkRecord rerecord;
     SkRecorder canvas(&rerecord, kWidth, kHeight);
     SkRecordPartialDraw(record, &canvas, NULL, 0, 1, 2, SkMatrix::I()); // replay just drawRect of r2

     REPORTER_ASSERT(r, 1 == count_instances_of_type<SkRecords::DrawRect>(rerecord));
     int index = find_first_instances_of_type<SkRecords::DrawRect>(rerecord);
     const SkRecords::DrawRect* drawRect = assert_type<SkRecords::DrawRect>(r, rerecord, index);
     REPORTER_ASSERT(r, drawRect->rect == r2);
 }

 // A regression test for crbug.com/415468 and skbug.com/2957.
 //
 // This also now serves as a regression test for crbug.com/418417.  We used to adjust the
 // bounds for the saveLayer, clip, and restore to be greater than the bounds of the picture.
 // (We were applying the saveLayer paint to the bounds after restore, which makes no sense.)
 DEF_TEST(RecordDraw_SaveLayerAffectsClipBounds, r) {
     SkRecord record;
     SkRecorder recorder(&record, 50, 50);

     // We draw a rectangle with a long drop shadow.  We used to not update the clip
     // bounds based on SaveLayer paints, so the drop shadow could be cut off.
     SkPaint paint;
     paint.setImageFilter(SkDropShadowImageFilter::Create(20, 0, 0, 0, SK_ColorBLACK,
                          SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode))->unref();

     recorder.saveLayer(NULL, &paint);
         recorder.clipRect(SkRect::MakeWH(20, 40));
         recorder.drawRect(SkRect::MakeWH(20, 40), SkPaint());
     recorder.restore();

     // Under the original bug, the right edge value of the drawRect would be 20 less than asserted
     // here because we intersected it with a clip that had not been adjusted for the drop shadow.
     //
     // The second bug showed up as adjusting the picture bounds (0,0,50,50) by the drop shadow too.
     // The saveLayer, clipRect, and restore bounds were incorrectly (0,0,70,50).
     TestBBH bbh;
     SkRecordFillBounds(SkRect::MakeWH(50, 50), record, &bbh);
     REPORTER_ASSERT(r, bbh.fEntries.count() == 4);
     REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[0].bounds, SkRect::MakeLTRB(0, 0, 50, 50)));
     REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[1].bounds, SkRect::MakeLTRB(0, 0, 50, 50)));
     REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[2].bounds, SkRect::MakeLTRB(0, 0, 40, 40)));
     REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[3].bounds, SkRect::MakeLTRB(0, 0, 50, 50)));
 }

 // When a saveLayer provides an explicit bound and has a complex paint (e.g., one that
 // affects transparent black), that bound should serve to shrink the area of the required
 // backing store.
 DEF_TEST(RecordDraw_SaveLayerBoundsAffectsClipBounds, r) {
     SkRecord record;
     SkRecorder recorder(&record, 50, 50);

     SkPaint p;
     p.setXfermodeMode(SkXfermode::kSrc_Mode);

     SkRect bounds = SkRect::MakeLTRB(10, 10, 40, 40);
     recorder.saveLayer(&bounds, &p);
     recorder.drawRect(SkRect::MakeLTRB(20, 20, 30, 30), SkPaint());
     recorder.restore();

     TestBBH bbh;
     SkRecordFillBounds(SkRect::MakeWH(50, 50), record, &bbh);
     REPORTER_ASSERT(r, bbh.fEntries.count() == 3);
     if (!SkCanvas::Internal_Private_GetIgnoreSaveLayerBounds()) {
         REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[0].bounds, SkRect::MakeLTRB(10, 10, 40, 40)));
         REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[1].bounds, SkRect::MakeLTRB(20, 20, 30, 30)));
         REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[2].bounds, SkRect::MakeLTRB(10, 10, 40, 40)));
     }
 }

 DEF_TEST(RecordDraw_drawImage, r){
     class SkCanvasMock : public SkCanvas {
     public:
         SkCanvasMock(int width, int height) : SkCanvas(width, height) {
             this->resetTestValues();
         }

         void onDrawImage(const SkImage* image, SkScalar left, SkScalar top,
                          const SkPaint* paint) override {
             fDrawImageCalled = true;
         }

         void onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
                              const SkPaint* paint, SrcRectConstraint) override {
             fDrawImageRectCalled = true;
         }

         void resetTestValues() {
             fDrawImageCalled = fDrawImageRectCalled = false;
         }

         bool fDrawImageCalled;
         bool fDrawImageRectCalled;
     };

     SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(10, 10));
     surface->getCanvas()->clear(SK_ColorGREEN);
     SkAutoTUnref<SkImage> image(surface->newImageSnapshot());

     SkCanvasMock canvas(10, 10);

     {
         SkRecord record;
         SkRecorder recorder(&record, 10, 10);
         recorder.drawImage(image, 0, 0);
         SkRecordDraw(record, &canvas, NULL, NULL, 0, NULL, 0);
     }
     REPORTER_ASSERT(r, canvas.fDrawImageCalled);
     canvas.resetTestValues();

     {
         SkRecord record;
         SkRecorder recorder(&record, 10, 10);
         recorder.drawImageRect(image, SkRect::MakeWH(10, 10), nullptr);
         SkRecordDraw(record, &canvas, NULL, NULL, 0, NULL, 0);
     }
     REPORTER_ASSERT(r, canvas.fDrawImageRectCalled);

 }
	/*
	* 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 "RecordTestUtils.h"

	#include "SkDebugCanvas.h"
	#include "SkDropShadowImageFilter.h"
	#include "SkImagePriv.h"
	#include "SkRecord.h"
	#include "SkRecordDraw.h"
	#include "SkRecordOpts.h"
	#include "SkRecorder.h"
	#include "SkRecords.h"
	#include "SkSurface.h"

	static const int W = 1920, H = 1080;

	class JustOneDraw : public SkPicture::AbortCallback {
	public:
	JustOneDraw() : fCalls(0) {}

	bool abort() override { return fCalls++ > 0; }
	private:
	int fCalls;
	};

	DEF_TEST(RecordDraw_LazySaves, r) {
	// Record two commands.
	SkRecord record;
	SkRecorder recorder(&record, W, H);

	REPORTER_ASSERT(r, 0 == record.count());
	recorder.save();
	REPORTER_ASSERT(r, 0 == record.count()); // the save was not recorded (yet)
	recorder.drawColor(SK_ColorRED);
	REPORTER_ASSERT(r, 1 == record.count());
	recorder.scale(2, 2);
	REPORTER_ASSERT(r, 3 == record.count()); // now we see the save
	recorder.restore();
	REPORTER_ASSERT(r, 4 == record.count());

	assert_type<SkRecords::DrawPaint>(r, record, 0);
	assert_type<SkRecords::Save> (r, record, 1);
	assert_type<SkRecords::SetMatrix>(r, record, 2);
	assert_type<SkRecords::Restore> (r, record, 3);

	recorder.save();
	recorder.save();
	recorder.restore();
	recorder.restore();
	REPORTER_ASSERT(r, 4 == record.count());
	}

	DEF_TEST(RecordDraw_Abort, r) {
	// Record two commands.
	SkRecord record;
	SkRecorder recorder(&record, W, H);
	recorder.drawRect(SkRect::MakeWH(200, 300), SkPaint());
	recorder.clipRect(SkRect::MakeWH(100, 200));

	SkRecord rerecord;
	SkRecorder canvas(&rerecord, W, H);

	JustOneDraw callback;
	SkRecordDraw(record, &canvas, NULL, NULL, 0, NULL/bbh/, &callback);

	REPORTER_ASSERT(r, 1 == count_instances_of_type<SkRecords::DrawRect>(rerecord));
	REPORTER_ASSERT(r, 0 == count_instances_of_type<SkRecords::ClipRect>(rerecord));
	}

	DEF_TEST(RecordDraw_Unbalanced, r) {
	SkRecord record;
	SkRecorder recorder(&record, W, H);
	recorder.save(); // We won't balance this, but SkRecordDraw will for us.
	recorder.scale(2, 2);

	SkRecord rerecord;
	SkRecorder canvas(&rerecord, W, H);
	SkRecordDraw(record, &canvas, NULL, NULL, 0, NULL/bbh/, NULL/callback/);

	int save_count = count_instances_of_type<SkRecords::Save>(rerecord);
	int restore_count = count_instances_of_type<SkRecords::Save>(rerecord);
	REPORTER_ASSERT(r, save_count == restore_count);
	}

	DEF_TEST(RecordDraw_SetMatrixClobber, r) {
	// Set up an SkRecord that just scales by 2x,3x.
	SkRecord scaleRecord;
	SkRecorder scaleCanvas(&scaleRecord, W, H);
	SkMatrix scale;
	scale.setScale(2, 3);
	scaleCanvas.setMatrix(scale);

	// Set up an SkRecord with an initial +20, +20 translate.
	SkRecord translateRecord;
	SkRecorder translateCanvas(&translateRecord, W, H);
	SkMatrix translate;
	translate.setTranslate(20, 20);
	translateCanvas.setMatrix(translate);

	SkRecordDraw(scaleRecord, &translateCanvas, NULL, NULL, 0, NULL/bbh/, NULL/callback/);
	REPORTER_ASSERT(r, 4 == translateRecord.count());
	assert_type<SkRecords::SetMatrix>(r, translateRecord, 0);
	assert_type<SkRecords::Save> (r, translateRecord, 1);
	assert_type<SkRecords::SetMatrix>(r, translateRecord, 2);
	assert_type<SkRecords::Restore> (r, translateRecord, 3);

	// When we look at translateRecord now, it should have its first +20,+20 translate,
	// then a 2x,3x scale that's been concatted with that +20,+20 translate.
	const SkRecords::SetMatrix* setMatrix;
	setMatrix = assert_type<SkRecords::SetMatrix>(r, translateRecord, 0);
	REPORTER_ASSERT(r, setMatrix->matrix == translate);

	setMatrix = assert_type<SkRecords::SetMatrix>(r, translateRecord, 2);
	SkMatrix expected = scale;
	expected.postConcat(translate);
	REPORTER_ASSERT(r, setMatrix->matrix == expected);
	}

	struct TestBBH : public SkBBoxHierarchy {
	void insert(const SkRect boundsArray[], int N) override {
	fEntries.setCount(N);
	for (int i = 0; i < N; i++) {
	Entry e = { (unsigned)i, boundsArray[i] };
	fEntries[i] = e;
	}
	}

	void search(const SkRect& query, SkTDArray<unsigned>* results) const override {}
	size_t bytesUsed() const override { return 0; }
	SkRect getRootBound() const override { return SkRect::MakeEmpty(); }

	struct Entry {
	unsigned opIndex;
	SkRect bounds;
	};
	SkTDArray<Entry> fEntries;
	};

	// Like a==b, with a little slop recognizing that float equality can be weird.
	static bool sloppy_rect_eq(SkRect a, SkRect b) {
	SkRect inset(a), outset(a);
	inset.inset(1, 1);
	outset.outset(1, 1);
	return outset.contains(b) && !inset.contains(b);
	}

	// This test is not meant to make total sense yet. It's testing the status quo
	// of SkRecordFillBounds(), which itself doesn't make total sense yet.
	DEF_TEST(RecordDraw_BBH, r) {
	SkRecord record;
	SkRecorder recorder(&record, W, H);
	recorder.save();
	recorder.clipRect(SkRect::MakeWH(400, 500));
	recorder.scale(2, 2);
	recorder.drawRect(SkRect::MakeWH(320, 240), SkPaint());
	recorder.restore();

	TestBBH bbh;
	SkRecordFillBounds(SkRect::MakeWH(SkIntToScalar(W), SkIntToScalar(H)), record, &bbh);

	REPORTER_ASSERT(r, bbh.fEntries.count() == 5);
	for (int i = 0; i < bbh.fEntries.count(); i++) {
	REPORTER_ASSERT(r, bbh.fEntries[i].opIndex == (unsigned)i);

	REPORTER_ASSERT(r, sloppy_rect_eq(SkRect::MakeWH(400, 480), bbh.fEntries[i].bounds));
	}
	}

	// A regression test for crbug.com/409110.
	DEF_TEST(RecordDraw_TextBounds, r) {
	SkRecord record;
	SkRecorder recorder(&record, W, H);

	// Two Chinese characters in UTF-8.
	const char text[] = { '\xe6', '\xbc', '\xa2', '\xe5', '\xad', '\x97' };
	const size_t bytes = SK_ARRAY_COUNT(text);

	const SkScalar xpos[] = { 10, 20 };
	recorder.drawPosTextH(text, bytes, xpos, 30, SkPaint());

	const SkPoint pos[] = { {40, 50}, {60, 70} };
	recorder.drawPosText(text, bytes, pos, SkPaint());

	TestBBH bbh;
	SkRecordFillBounds(SkRect::MakeWH(SkIntToScalar(W), SkIntToScalar(H)), record, &bbh);
	REPORTER_ASSERT(r, bbh.fEntries.count() == 2);

	// We can make these next assertions confidently because SkRecordFillBounds
	// builds its bounds by overestimating font metrics in a platform-independent way.
	// If that changes, these tests will need to be more flexible.
	REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[0].bounds, SkRect::MakeLTRB(0, 0, 140, 60)));
	REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[1].bounds, SkRect::MakeLTRB(0, 20, 180, 100)));
	}

	// Base test to ensure start/stop range is respected
	DEF_TEST(RecordDraw_PartialStartStop, r) {
	static const int kWidth = 10, kHeight = 10;

	SkRect r1 = { 0, 0, kWidth, kHeight };
	SkRect r2 = { 0, 0, kWidth, kHeight/2 };
	SkRect r3 = { 0, 0, kWidth/2, kHeight };
	SkPaint p;

	SkRecord record;
	SkRecorder recorder(&record, kWidth, kHeight);
	recorder.drawRect(r1, p);
	recorder.drawRect(r2, p);
	recorder.drawRect(r3, p);

	SkRecord rerecord;
	SkRecorder canvas(&rerecord, kWidth, kHeight);
	SkRecordPartialDraw(record, &canvas, NULL, 0, 1, 2, SkMatrix::I()); // replay just drawRect of r2

	REPORTER_ASSERT(r, 1 == count_instances_of_type<SkRecords::DrawRect>(rerecord));
	int index = find_first_instances_of_type<SkRecords::DrawRect>(rerecord);
	const SkRecords::DrawRect* drawRect = assert_type<SkRecords::DrawRect>(r, rerecord, index);
	REPORTER_ASSERT(r, drawRect->rect == r2);
	}

	// A regression test for crbug.com/415468 and skbug.com/2957.
	//
	// This also now serves as a regression test for crbug.com/418417. We used to adjust the
	// bounds for the saveLayer, clip, and restore to be greater than the bounds of the picture.
	// (We were applying the saveLayer paint to the bounds after restore, which makes no sense.)
	DEF_TEST(RecordDraw_SaveLayerAffectsClipBounds, r) {
	SkRecord record;
	SkRecorder recorder(&record, 50, 50);

	// We draw a rectangle with a long drop shadow. We used to not update the clip
	// bounds based on SaveLayer paints, so the drop shadow could be cut off.
	SkPaint paint;
	paint.setImageFilter(SkDropShadowImageFilter::Create(20, 0, 0, 0, SK_ColorBLACK,
	SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode))->unref();

	recorder.saveLayer(NULL, &paint);
	recorder.clipRect(SkRect::MakeWH(20, 40));
	recorder.drawRect(SkRect::MakeWH(20, 40), SkPaint());
	recorder.restore();

	// Under the original bug, the right edge value of the drawRect would be 20 less than asserted
	// here because we intersected it with a clip that had not been adjusted for the drop shadow.
	//
	// The second bug showed up as adjusting the picture bounds (0,0,50,50) by the drop shadow too.
	// The saveLayer, clipRect, and restore bounds were incorrectly (0,0,70,50).
	TestBBH bbh;
	SkRecordFillBounds(SkRect::MakeWH(50, 50), record, &bbh);
	REPORTER_ASSERT(r, bbh.fEntries.count() == 4);
	REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[0].bounds, SkRect::MakeLTRB(0, 0, 50, 50)));
	REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[1].bounds, SkRect::MakeLTRB(0, 0, 50, 50)));
	REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[2].bounds, SkRect::MakeLTRB(0, 0, 40, 40)));
	REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[3].bounds, SkRect::MakeLTRB(0, 0, 50, 50)));
	}

	// When a saveLayer provides an explicit bound and has a complex paint (e.g., one that
	// affects transparent black), that bound should serve to shrink the area of the required
	// backing store.
	DEF_TEST(RecordDraw_SaveLayerBoundsAffectsClipBounds, r) {
	SkRecord record;
	SkRecorder recorder(&record, 50, 50);

	SkPaint p;
	p.setXfermodeMode(SkXfermode::kSrc_Mode);

	SkRect bounds = SkRect::MakeLTRB(10, 10, 40, 40);
	recorder.saveLayer(&bounds, &p);
	recorder.drawRect(SkRect::MakeLTRB(20, 20, 30, 30), SkPaint());
	recorder.restore();

	TestBBH bbh;
	SkRecordFillBounds(SkRect::MakeWH(50, 50), record, &bbh);
	REPORTER_ASSERT(r, bbh.fEntries.count() == 3);
	if (!SkCanvas::Internal_Private_GetIgnoreSaveLayerBounds()) {
	REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[0].bounds, SkRect::MakeLTRB(10, 10, 40, 40)));
	REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[1].bounds, SkRect::MakeLTRB(20, 20, 30, 30)));
	REPORTER_ASSERT(r, sloppy_rect_eq(bbh.fEntries[2].bounds, SkRect::MakeLTRB(10, 10, 40, 40)));
	}
	}

	DEF_TEST(RecordDraw_drawImage, r){
	class SkCanvasMock : public SkCanvas {
	public:
	SkCanvasMock(int width, int height) : SkCanvas(width, height) {
	this->resetTestValues();
	}

	void onDrawImage(const SkImage* image, SkScalar left, SkScalar top,
	const SkPaint* paint) override {
	fDrawImageCalled = true;
	}

	void onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
	const SkPaint* paint, SrcRectConstraint) override {
	fDrawImageRectCalled = true;
	}

	void resetTestValues() {
	fDrawImageCalled = fDrawImageRectCalled = false;
	}

	bool fDrawImageCalled;
	bool fDrawImageRectCalled;
	};

	SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(10, 10));
	surface->getCanvas()->clear(SK_ColorGREEN);
	SkAutoTUnref<SkImage> image(surface->newImageSnapshot());

	SkCanvasMock canvas(10, 10);

	{
	SkRecord record;
	SkRecorder recorder(&record, 10, 10);
	recorder.drawImage(image, 0, 0);
	SkRecordDraw(record, &canvas, NULL, NULL, 0, NULL, 0);
	}
	REPORTER_ASSERT(r, canvas.fDrawImageCalled);
	canvas.resetTestValues();

	{
	SkRecord record;
	SkRecorder recorder(&record, 10, 10);
	recorder.drawImageRect(image, SkRect::MakeWH(10, 10), nullptr);
	SkRecordDraw(record, &canvas, NULL, NULL, 0, NULL, 0);
	}
	REPORTER_ASSERT(r, canvas.fDrawImageRectCalled);

	}