PictureTest.cpp File Reference

#include "include/core/SkBBHFactory.h"
#include "include/core/SkBitmap.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkClipOp.h"
#include "include/core/SkColor.h"
#include "include/core/SkData.h"
#include "include/core/SkFont.h"
#include "include/core/SkFontStyle.h"
#include "include/core/SkImage.h"
#include "include/core/SkImageInfo.h"
#include "include/core/SkMatrix.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPath.h"
#include "include/core/SkPathTypes.h"
#include "include/core/SkPicture.h"
#include "include/core/SkPictureRecorder.h"
#include "include/core/SkPixelRef.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkSamplingOptions.h"
#include "include/core/SkScalar.h"
#include "include/core/SkStream.h"
#include "include/core/SkTypeface.h"
#include "include/core/SkTypes.h"
#include "src/base/SkRandom.h"
#include "src/core/SkBigPicture.h"
#include "src/core/SkPicturePriv.h"
#include "src/core/SkRectPriv.h"
#include "tests/Test.h"
#include "tools/fonts/FontToolUtils.h"
#include <cstddef>
#include <memory>
#include <vector>

Go to the source code of this file.

Classes
class	SaveCountingCanvas
class	SkPictureRecorderReplayTester
class	ClipCountingCanvas
struct	CountingBBH
class	SpoonFedBBHFactory

Functions
static void	make_bm (SkBitmap *bm, int w, int h, SkColor color, bool immutable)
static void	rand_op (SkCanvas *canvas, SkRandom &rand)
static void	set_canvas_to_save_count_4 (SkCanvas *canvas)
void	check_save_state (skiatest::Reporter *reporter, SkPicture *picture, unsigned int numSaves, unsigned int numSaveLayers, unsigned int numRestores)
static void	create_imbalance (SkCanvas *canvas)
static void	check_balance (skiatest::Reporter *reporter, SkPicture *picture)
	DEF_TEST (PictureRecorder_replay, reporter)
static void	test_unbalanced_save_restores (skiatest::Reporter *reporter)
static void	test_peephole ()
static void	test_bad_bitmap (skiatest::Reporter *reporter)
static void	test_clip_bound_opt (skiatest::Reporter *reporter)
static void	test_cull_rect_reset (skiatest::Reporter *reporter)
static void	test_gen_id (skiatest::Reporter *reporter)
static void	test_typeface (skiatest::Reporter *reporter)
	DEF_TEST (Picture, reporter)
static void	draw_bitmaps (const SkBitmap &bitmap, SkCanvas *canvas)
static void	test_draw_bitmaps (SkCanvas *canvas)
	DEF_TEST (Picture_EmptyBitmap, r)
	DEF_TEST (Canvas_EmptyBitmap, r)
	DEF_TEST (DontOptimizeSaveLayerDrawDrawRestore, reporter)
	DEF_TEST (Picture_SkipBBH, r)
	DEF_TEST (Picture_BitmapLeak, r)
	DEF_TEST (Picture_getRecordingCanvas, r)
	DEF_TEST (Picture_preserveCullRect, r)
	DEF_TEST (Picture_UpdatedCull_1, r)
	DEF_TEST (Picture_UpdatedCull_2, r)
	DEF_TEST (Placeholder, r)
	DEF_TEST (Picture_empty_serial, reporter)
	DEF_TEST (Picture_drawsNothing, r)
	DEF_TEST (Picture_emptyNestedPictureBug, r)
	DEF_TEST (Picture_fillsBBH, r)
	DEF_TEST (Picture_nested_op_count, r)

Function Documentation

check_balance()

static void check_balance ( skiatest::Reporter *  reporter, SkPicture *  picture  )

static

Definition at line 195 of file PictureTest.cpp.

                                                                          {
    SkBitmap bm;
    bm.allocN32Pixels(4, 3);
    SkCanvas canvas(bm);
 
    int beforeSaveCount = canvas.getSaveCount();
 
    SkMatrix beforeMatrix = canvas.getTotalMatrix();
 
    SkRect beforeClip = canvas.getLocalClipBounds();
 
    canvas.drawPicture(picture);
 
    REPORTER_ASSERT(reporter, beforeSaveCount == canvas.getSaveCount());
    REPORTER_ASSERT(reporter, beforeMatrix == canvas.getTotalMatrix());
 
    SkRect afterClip = canvas.getLocalClipBounds();
 
    REPORTER_ASSERT(reporter, afterClip == beforeClip);
}

check_save_state()

void check_save_state	(	skiatest::Reporter *	reporter,
		SkPicture *	picture,
		unsigned int	numSaves,
		unsigned int	numSaveLayers,
		unsigned int	numRestores
	)

Definition at line 151 of file PictureTest.cpp.

                                                {
    SaveCountingCanvas canvas(SkScalarCeilToInt(picture->cullRect().width()),
                              SkScalarCeilToInt(picture->cullRect().height()));
 
    picture->playback(&canvas);
 
    // Optimizations may have removed these,
    // so expect to have seen no more than num{Saves,SaveLayers,Restores}.
    REPORTER_ASSERT(reporter, numSaves >= canvas.getSaveCount());
    REPORTER_ASSERT(reporter, numSaveLayers >= canvas.getSaveLayerCount());
    REPORTER_ASSERT(reporter, numRestores >= canvas.getRestoreCount());
}

create_imbalance()

static void create_imbalance ( SkCanvas *  canvas )

static

Definition at line 181 of file PictureTest.cpp.

                                               {
    SkRect clipRect = SkRect::MakeWH(2, 2);
    SkRect drawRect = SkRect::MakeWH(10, 10);
    canvas->save();
        canvas->clipRect(clipRect, SkClipOp::kIntersect);
        canvas->translate(1.0f, 1.0f);
        SkPaint p;
        p.setColor(SK_ColorGREEN);
        canvas->drawRect(drawRect, p);
    // no restore
}

DEF_TEST() [1/17]

DEF_TEST	(	Canvas_EmptyBitmap	,
		r
	)

Definition at line 558 of file PictureTest.cpp.

                                {
    SkBitmap dst;
    dst.allocN32Pixels(10, 10);
    SkCanvas canvas(dst);
 
    test_draw_bitmaps(&canvas);
}

DEF_TEST() [2/17]

DEF_TEST	(	DontOptimizeSaveLayerDrawDrawRestore	,
		reporter
	)

Definition at line 566 of file PictureTest.cpp.

                                                         {
    // This test is from crbug.com/344987.
    // The commands are:
    //   saveLayer with paint that modifies alpha
    //     drawBitmapRect
    //     drawBitmapRect
    //   restore
    // The bug was that this structure was modified so that:
    //  - The saveLayer and restore were eliminated
    //  - The alpha was only applied to the first drawBitmapRectToRect
 
    // This test draws blue and red squares inside a 50% transparent
    // layer.  Both colours should show up muted.
    // When the bug is present, the red square (the second bitmap)
    // shows upwith full opacity.
 
    SkBitmap blueBM;
    make_bm(&blueBM, 100, 100, SkColorSetARGB(255, 0, 0, 255), true);
    SkBitmap redBM;
    make_bm(&redBM, 100, 100, SkColorSetARGB(255, 255, 0, 0), true);
    SkPaint semiTransparent;
    semiTransparent.setAlpha(0x80);
 
    SkPictureRecorder recorder;
    SkCanvas* canvas = recorder.beginRecording(100, 100);
    canvas->drawColor(0);
 
    canvas->saveLayer(nullptr, &semiTransparent);
    canvas->drawImage(blueBM.asImage(), 25, 25);
    canvas->drawImage(redBM.asImage(), 50, 50);
    canvas->restore();
 
    sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
 
    // Now replay the picture back on another canvas
    // and check a couple of its pixels.
    SkBitmap replayBM;
    make_bm(&replayBM, 100, 100, SK_ColorBLACK, false);
    SkCanvas replayCanvas(replayBM);
    picture->playback(&replayCanvas);
 
    // With the bug present, at (55, 55) we would get a fully opaque red
    // intead of a dark red.
    REPORTER_ASSERT(reporter, replayBM.getColor(30, 30) == 0xff000080);
    REPORTER_ASSERT(reporter, replayBM.getColor(55, 55) == 0xff800000);
}

DEF_TEST() [3/17]

DEF_TEST	(	Picture	,
		reporter
	)

Definition at line 520 of file PictureTest.cpp.

                            {
    test_typeface(reporter);
#ifdef SK_DEBUG
    test_deleting_empty_picture();
    test_serializing_empty_picture();
#endif
    test_bad_bitmap(reporter);
    test_unbalanced_save_restores(reporter);
    test_peephole();
    test_clip_bound_opt(reporter);
    test_gen_id(reporter);
    test_cull_rect_reset(reporter);
}

DEF_TEST() [4/17]

DEF_TEST	(	Picture_BitmapLeak	,
		r
	)

Definition at line 659 of file PictureTest.cpp.

                                {
    SkBitmap mut, immut;
    mut.allocN32Pixels(300, 200);
    immut.allocN32Pixels(300, 200);
    immut.setImmutable();
    SkASSERT(!mut.isImmutable());
    SkASSERT(immut.isImmutable());
 
    // No one can hold a ref on our pixels yet.
    REPORTER_ASSERT(r, mut.pixelRef()->unique());
    REPORTER_ASSERT(r, immut.pixelRef()->unique());
 
    sk_sp<SkPicture> pic;
    {
        // we want the recorder to go out of scope before our subsequent checks, so we
        // place it inside local braces.
        SkPictureRecorder rec;
        SkCanvas* canvas = rec.beginRecording(1920, 1200);
            canvas->drawImage(mut.asImage(), 0, 0);
            canvas->drawImage(immut.asImage(), 800, 600);
        pic = rec.finishRecordingAsPicture();
    }
 
    // The picture shares the immutable pixels but copies the mutable ones.
    REPORTER_ASSERT(r, mut.pixelRef()->unique());
    REPORTER_ASSERT(r, !immut.pixelRef()->unique());
 
    // When the picture goes away, it's just our bitmaps holding the refs.
    pic = nullptr;
    REPORTER_ASSERT(r, mut.pixelRef()->unique());
    REPORTER_ASSERT(r, immut.pixelRef()->unique());
}

DEF_TEST() [5/17]

DEF_TEST	(	Picture_drawsNothing	,
		r
	)

Definition at line 797 of file PictureTest.cpp.

                                  {
    // Tests that pic->cullRect().isEmpty() is a good way to test a picture
    // recorded with an R-tree draws nothing.
    struct {
        bool draws_nothing;
        void (*fn)(SkCanvas*);
    } cases[] = {
        {  true, [](SkCanvas* c) {                                                             } },
        {  true, [](SkCanvas* c) { c->save();                                    c->restore(); } },
        {  true, [](SkCanvas* c) { c->save(); c->clipRect({0,0,5,5});            c->restore(); } },
        {  true, [](SkCanvas* c) {            c->clipRect({0,0,5,5});                          } },
 
        { false, [](SkCanvas* c) {            c->drawRect({0,0,5,5}, SkPaint{});               } },
        { false, [](SkCanvas* c) { c->save(); c->drawRect({0,0,5,5}, SkPaint{}); c->restore(); } },
        { false, [](SkCanvas* c) {
            c->drawRect({0,0, 5, 5}, SkPaint{});
            c->drawRect({5,5,10,10}, SkPaint{});
        }},
    };
 
    for (const auto& c : cases) {
        SkPictureRecorder rec;
        SkRTreeFactory factory;
        c.fn(rec.beginRecording(10,10, &factory));
        sk_sp<SkPicture> pic = rec.finishRecordingAsPicture();
 
        REPORTER_ASSERT(r, pic->cullRect().isEmpty() == c.draws_nothing);
    }
}

DEF_TEST() [6/17]

DEF_TEST	(	Picture_empty_serial	,
		reporter
	)

Definition at line 783 of file PictureTest.cpp.

                                         {
    SkPictureRecorder rec;
    (void)rec.beginRecording(10, 10);
    auto pic = rec.finishRecordingAsPicture();
    REPORTER_ASSERT(reporter, pic);
 
    auto data = pic->serialize(); // explicitly testing the default SkSerialProcs
    REPORTER_ASSERT(reporter, data);
 
    auto pic2 = SkPicture::MakeFromData(data->data(), data->size());
    REPORTER_ASSERT(reporter, pic2);
}

DEF_TEST() [7/17]

DEF_TEST	(	Picture_EmptyBitmap	,
		r
	)

Definition at line 552 of file PictureTest.cpp.

                                 {
    SkPictureRecorder recorder;
    test_draw_bitmaps(recorder.beginRecording(10, 10));
    sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
}

DEF_TEST() [8/17]

DEF_TEST	(	Picture_emptyNestedPictureBug	,
		r
	)

Definition at line 827 of file PictureTest.cpp.

                                           {
    const SkRect bounds = {-5000, -5000, 5000, 5000};
 
    SkPictureRecorder recorder;
    SkRTreeFactory factory;
 
    // These three pictures should all draw the same but due to bugs they don't:
    //
    //   1) inner has enough content that it is recoreded as an SkBigPicture,
    //      and all its content falls outside the positive/positive quadrant,
    //      and it is recorded with an R-tree so we contract the cullRect to those bounds;
    //
    //   2) middle wraps inner,
    //      and it its recorded with an R-tree so we update middle's cullRect to inner's;
    //
    //   3) outer wraps inner,
    //      and notices that middle contains only one op, drawPicture(inner),
    //      so it plays middle back during recording rather than ref'ing middle,
    //      querying middle's R-tree with its SkCanvas' bounds* {0,0, 5000,5000},
    //      finding nothing to draw.
    //
    //  * The bug was that these bounds were not tracked as {-5000,-5000, 5000,5000}.
    {
        SkCanvas* canvas = recorder.beginRecording(bounds, &factory);
        canvas->translate(-100,-100);
        canvas->drawRect({0,0,50,50}, SkPaint{});
    }
    sk_sp<SkPicture> inner = recorder.finishRecordingAsPicture();
 
    recorder.beginRecording(bounds, &factory)->drawPicture(inner);
    sk_sp<SkPicture> middle = recorder.finishRecordingAsPicture();
 
    // This doesn't need &factory to reproduce the bug,
    // but it's nice to see we come up with the same {-100,-100, -50,-50} bounds.
    recorder.beginRecording(bounds, &factory)->drawPicture(middle);
    sk_sp<SkPicture> outer = recorder.finishRecordingAsPicture();
 
    REPORTER_ASSERT(r, (inner ->cullRect() == SkRect{-100,-100, -50,-50}));
    REPORTER_ASSERT(r, (middle->cullRect() == SkRect{-100,-100, -50,-50}));
    REPORTER_ASSERT(r, (outer ->cullRect() == SkRect{-100,-100, -50,-50}));   // Used to fail.
}

DEF_TEST() [9/17]

DEF_TEST	(	Picture_fillsBBH	,
		r
	)

Definition at line 869 of file PictureTest.cpp.

                              {
    // Test empty (0 draws), mini (1 draw), and big (2+) pictures, making sure they fill the BBH.
    const SkRect rects[] = {
        { 0, 0, 20,20},
        {20,20, 40,40},
    };
 
    for (int n = 0; n <= 2; n++) {
        SkRTreeFactory factory;
        SkPictureRecorder rec;
 
        sk_sp<SkBBoxHierarchy> bbh = factory();
 
        SkCanvas* c = rec.beginRecording({0,0, 100,100}, bbh);
        for (int i = 0; i < n; i++) {
            c->drawRect(rects[i], SkPaint{});
        }
        sk_sp<SkPicture> pic = rec.finishRecordingAsPicture();
 
        std::vector<int> results;
        bbh->search({0,0, 100,100}, &results);
        REPORTER_ASSERT(r, (int)results.size() == n,
                        "results.size() == %d, want %d\n", (int)results.size(), n);
    }
}

DEF_TEST() [10/17]

DEF_TEST	(	Picture_getRecordingCanvas	,
		r
	)

Definition at line 693 of file PictureTest.cpp.

                                        {
    SkPictureRecorder rec;
    REPORTER_ASSERT(r, !rec.getRecordingCanvas());
    for (int i = 0; i < 3; i++) {
        rec.beginRecording(100, 100);
        REPORTER_ASSERT(r, rec.getRecordingCanvas());
        rec.finishRecordingAsPicture();
        REPORTER_ASSERT(r, !rec.getRecordingCanvas());
    }
}

DEF_TEST() [11/17]

DEF_TEST	(	Picture_nested_op_count	,
		r
	)

Definition at line 895 of file PictureTest.cpp.

                                     {
    auto make_pic = [](int n, const sk_sp<SkPicture>& pic) {
        SkPictureRecorder rec;
        SkCanvas* c = rec.beginRecording({0,0, 100,100});
        for (int i = 0; i < n; i++) {
            if (pic) {
                c->drawPicture(pic);
            } else {
                c->drawRect({0,0, 100,100}, SkPaint{});
            }
        }
        return rec.finishRecordingAsPicture();
    };
 
    auto check = [r](const sk_sp<SkPicture>& pic, int shallow, int nested) {
        int s = pic->approximateOpCount(false);
        int n = pic->approximateOpCount(true);
        REPORTER_ASSERT(r, s == shallow);
        REPORTER_ASSERT(r, n == nested);
    };
 
    sk_sp<SkPicture> leaf1 = make_pic(1, nullptr);
    check(leaf1, 1, 1);
 
    sk_sp<SkPicture> leaf10 = make_pic(10, nullptr);
    check(leaf10, 10, 10);
 
    check(make_pic( 1, leaf1),   1,   1);
    check(make_pic( 1, leaf10),  1,  10);
    check(make_pic(10, leaf1),  10,  10);
    check(make_pic(10, leaf10), 10, 100);
}

DEF_TEST() [12/17]

DEF_TEST	(	Picture_preserveCullRect	,
		r
	)

Definition at line 704 of file PictureTest.cpp.

                                      {
    SkPictureRecorder recorder;
 
    SkCanvas* c = recorder.beginRecording(SkRect::MakeLTRB(1, 2, 3, 4));
    c->clear(SK_ColorCYAN);
 
    sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
    SkDynamicMemoryWStream wstream;
    picture->serialize(&wstream, nullptr);  // default SkSerialProcs
 
    std::unique_ptr<SkStream> rstream(wstream.detachAsStream());
    sk_sp<SkPicture> deserializedPicture(SkPicture::MakeFromStream(rstream.get()));
 
    REPORTER_ASSERT(r, deserializedPicture != nullptr);
    REPORTER_ASSERT(r, deserializedPicture->cullRect().left() == 1);
    REPORTER_ASSERT(r, deserializedPicture->cullRect().top() == 2);
    REPORTER_ASSERT(r, deserializedPicture->cullRect().right() == 3);
    REPORTER_ASSERT(r, deserializedPicture->cullRect().bottom() == 4);
}

DEF_TEST() [13/17]

DEF_TEST	(	Picture_SkipBBH	,
		r
	)

Definition at line 637 of file PictureTest.cpp.

                             {
    SkRect bound = SkRect::MakeWH(320, 240);
 
    auto bbh = sk_make_sp<CountingBBH>();
    SpoonFedBBHFactory factory(bbh);
 
    SkPictureRecorder recorder;
    SkCanvas* c = recorder.beginRecording(bound, &factory);
    // Record a few ops so we don't hit a small- or empty- picture optimization.
        c->drawRect(bound, SkPaint());
        c->drawRect(bound, SkPaint());
    sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
 
    SkCanvas big(640, 480), small(300, 200);
 
    picture->playback(&big);
    REPORTER_ASSERT(r, bbh->searchCalls == 0);
 
    picture->playback(&small);
    REPORTER_ASSERT(r, bbh->searchCalls == 1);
}

DEF_TEST() [14/17]

DEF_TEST	(	Picture_UpdatedCull_1	,
		r
	)

Definition at line 728 of file PictureTest.cpp.

                                   {
    SkRTreeFactory factory;
    SkPictureRecorder recorder;
 
    auto canvas = recorder.beginRecording(SkRectPriv::MakeLargest(), &factory);
    canvas->drawRect(SkRect::MakeWH(20,20), SkPaint{});
    auto pic = recorder.finishRecordingAsPicture();
    REPORTER_ASSERT(r, pic->cullRect() == SkRect::MakeWH(20,20));
 
    canvas = recorder.beginRecording(SkRectPriv::MakeLargest());
    canvas->drawRect(SkRect::MakeWH(20,20), SkPaint{});
    pic = recorder.finishRecordingAsPicture();
    REPORTER_ASSERT(r, pic->cullRect() == SkRectPriv::MakeLargest());
}

DEF_TEST() [15/17]

DEF_TEST	(	Picture_UpdatedCull_2	,
		r
	)

Definition at line 742 of file PictureTest.cpp.

                                   {
    SkRTreeFactory factory;
    SkPictureRecorder recorder;
 
    auto canvas = recorder.beginRecording(SkRectPriv::MakeLargest(), &factory);
    canvas->drawRect(SkRect::MakeWH(20,20), SkPaint{});
    canvas->drawRect(SkRect::MakeWH(10,40), SkPaint{});
    auto pic = recorder.finishRecordingAsPicture();
    REPORTER_ASSERT(r, pic->cullRect() == SkRect::MakeWH(20,40));
 
    canvas = recorder.beginRecording(SkRectPriv::MakeLargest());
    canvas->drawRect(SkRect::MakeWH(20,20), SkPaint{});
    canvas->drawRect(SkRect::MakeWH(10,40), SkPaint{});
    pic = recorder.finishRecordingAsPicture();
    REPORTER_ASSERT(r, pic->cullRect() == SkRectPriv::MakeLargest());
}

DEF_TEST() [16/17]

DEF_TEST	(	PictureRecorder_replay	,
		reporter
	)

Definition at line 217 of file PictureTest.cpp.

                                           {
    // check save/saveLayer state
    {
        SkPictureRecorder recorder;
 
        SkCanvas* canvas = recorder.beginRecording(10, 10);
 
        canvas->saveLayer(nullptr, nullptr);
 
        sk_sp<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder));
 
        // The extra save and restore comes from the Copy process.
        check_save_state(reporter, copy.get(), 2, 1, 3);
 
        canvas->saveLayer(nullptr, nullptr);
 
        sk_sp<SkPicture> final(recorder.finishRecordingAsPicture());
 
        check_save_state(reporter, final.get(), 1, 2, 3);
 
        // The copy shouldn't pick up any operations added after it was made
        check_save_state(reporter, copy.get(), 2, 1, 3);
    }
 
    // Recreate the Android partialReplay test case
    {
        SkPictureRecorder recorder;
 
        SkCanvas* canvas = recorder.beginRecording(4, 3);
        create_imbalance(canvas);
 
        int expectedSaveCount = canvas->getSaveCount();
 
        sk_sp<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder));
        check_balance(reporter, copy.get());
 
        REPORTER_ASSERT(reporter, expectedSaveCount = canvas->getSaveCount());
 
        // End the recording of source to test the picture finalization
        // process isn't complicated by the partialReplay step
        sk_sp<SkPicture> final(recorder.finishRecordingAsPicture());
    }
}

DEF_TEST() [17/17]

DEF_TEST	(	Placeholder	,
		r
	)

Definition at line 759 of file PictureTest.cpp.

                         {
    SkRect cull = { 0,0, 10,20 };
 
    // Each placeholder is unique.
    sk_sp<SkPicture> p1 = SkPicture::MakePlaceholder(cull),
                     p2 = SkPicture::MakePlaceholder(cull);
    REPORTER_ASSERT(r, p1->cullRect() == p2->cullRect());
    REPORTER_ASSERT(r, p1->cullRect() == cull);
    REPORTER_ASSERT(r, p1->uniqueID() != p2->uniqueID());
 
    // Placeholders are never unrolled by SkCanvas (while other small pictures may be).
    SkPictureRecorder recorder;
    SkCanvas* canvas = recorder.beginRecording(cull);
        canvas->drawPicture(p1);
        canvas->drawPicture(p2);
    sk_sp<SkPicture> pic = recorder.finishRecordingAsPicture();
    REPORTER_ASSERT(r, pic->approximateOpCount() == 2);
 
    // Any upper limit when recursing into nested placeholders is fine as long
    // as it doesn't overflow an int.
    REPORTER_ASSERT(r, pic->approximateOpCount(/*nested?*/true) >=  2);
    REPORTER_ASSERT(r, pic->approximateOpCount(/*nested?*/true) <= 10);
}

draw_bitmaps()

static void draw_bitmaps ( const SkBitmap &  bitmap, SkCanvas *  canvas  )

static

Definition at line 534 of file PictureTest.cpp.

                                                                   {
    const SkRect rect = { 5.0f, 5.0f, 8.0f, 8.0f };
    auto img = bitmap.asImage();
 
    // Don't care what these record, as long as they're legal.
    canvas->drawImage(img, 0.0f, 0.0f);
    canvas->drawImageRect(img, rect, rect, SkSamplingOptions(), nullptr,
                          SkCanvas::kStrict_SrcRectConstraint);
    canvas->drawImage(img, 1, 1);   // drawSprite
}

make_bm()

static void make_bm ( SkBitmap *  bm, int  w, int  h, SkColor  color, bool  immutable  )

static

Definition at line 46 of file PictureTest.cpp.

                                                                               {
    bm->allocN32Pixels(w, h);
    bm->eraseColor(color);
    if (immutable) {
        bm->setImmutable();
    }
}

rand_op()

static void rand_op ( SkCanvas *  canvas, SkRandom &  rand  )

static

Definition at line 77 of file PictureTest.cpp.

                                                      {
    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);
    }
}

set_canvas_to_save_count_4()

static void set_canvas_to_save_count_4 ( SkCanvas *  canvas )

static

Definition at line 97 of file PictureTest.cpp.

                                                         {
    canvas->restoreToCount(1);
    canvas->save();
    canvas->save();
    canvas->save();
}

test_bad_bitmap()

static void test_bad_bitmap ( skiatest::Reporter *  reporter )

static

Definition at line 355 of file PictureTest.cpp.

                                                        {
    // missing pixels should return null for image
    SkBitmap bm;
    bm.setInfo(SkImageInfo::MakeN32Premul(100, 100));
    auto img = bm.asImage();
    REPORTER_ASSERT(reporter, !img);
 
    // make sure we don't crash on a null image
    SkPictureRecorder recorder;
    SkCanvas* recordingCanvas = recorder.beginRecording(100, 100);
    recordingCanvas->drawImage(nullptr, 0, 0);
    sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
 
    SkCanvas canvas;
    canvas.drawPicture(picture);
}

test_clip_bound_opt()

static void test_clip_bound_opt ( skiatest::Reporter *  reporter )

static

Definition at line 372 of file PictureTest.cpp.

                                                            {
    // Test for crbug.com/229011
    SkRect rect1 = SkRect::MakeXYWH(SkIntToScalar(4), SkIntToScalar(4),
                                    SkIntToScalar(2), SkIntToScalar(2));
    SkRect rect2 = SkRect::MakeXYWH(SkIntToScalar(7), SkIntToScalar(7),
                                    SkIntToScalar(1), SkIntToScalar(1));
    SkRect rect3 = SkRect::MakeXYWH(SkIntToScalar(6), SkIntToScalar(6),
                                    SkIntToScalar(1), SkIntToScalar(1));
 
    SkPath invPath;
    invPath.addOval(rect1);
    invPath.setFillType(SkPathFillType::kInverseEvenOdd);
    SkPath path;
    path.addOval(rect2);
    SkPath path2;
    path2.addOval(rect3);
    SkIRect clipBounds;
    SkPictureRecorder recorder;
 
    // Testing conservative-raster-clip that is enabled by PictureRecord
    {
        SkCanvas* canvas = recorder.beginRecording(10, 10);
        canvas->clipPath(invPath);
        clipBounds = canvas->getDeviceClipBounds();
        REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft);
        REPORTER_ASSERT(reporter, 0 == clipBounds.fTop);
        REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom);
        REPORTER_ASSERT(reporter, 10 == clipBounds.fRight);
    }
    {
        SkCanvas* canvas = recorder.beginRecording(10, 10);
        canvas->clipPath(path);
        canvas->clipPath(invPath);
        clipBounds = canvas->getDeviceClipBounds();
        REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft);
        REPORTER_ASSERT(reporter, 7 == clipBounds.fTop);
        REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom);
        REPORTER_ASSERT(reporter, 8 == clipBounds.fRight);
    }
    {
        SkCanvas* canvas = recorder.beginRecording(10, 10);
        canvas->clipPath(path, SkClipOp::kDifference);
        clipBounds = canvas->getDeviceClipBounds();
        REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft);
        REPORTER_ASSERT(reporter, 0 == clipBounds.fTop);
        REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom);
        REPORTER_ASSERT(reporter, 10 == clipBounds.fRight);
    }
    {
        SkCanvas* canvas = recorder.beginRecording(10, 10);
        canvas->clipPath(path, SkClipOp::kIntersect);
        canvas->clipPath(path2, SkClipOp::kDifference);
        clipBounds = canvas->getDeviceClipBounds();
        REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft);
        REPORTER_ASSERT(reporter, 7 == clipBounds.fTop);
        REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom);
        REPORTER_ASSERT(reporter, 8 == clipBounds.fRight);
    }
}

test_cull_rect_reset()

static void test_cull_rect_reset ( skiatest::Reporter *  reporter )

static

Definition at line 432 of file PictureTest.cpp.

                                                             {
    SkPictureRecorder recorder;
    SkRect bounds = SkRect::MakeWH(10, 10);
    SkRTreeFactory factory;
    SkCanvas* canvas = recorder.beginRecording(bounds, &factory);
    bounds = SkRect::MakeWH(100, 100);
    SkPaint paint;
    canvas->drawRect(bounds, paint);
    canvas->drawRect(bounds, paint);
    sk_sp<SkPicture> p(recorder.finishRecordingAsPictureWithCull(bounds));
    const SkBigPicture* picture = SkPicturePriv::AsSkBigPicture(p);
    REPORTER_ASSERT(reporter, picture);
 
    SkRect finalCullRect = picture->cullRect();
    REPORTER_ASSERT(reporter, 0 == finalCullRect.fLeft);
    REPORTER_ASSERT(reporter, 0 == finalCullRect.fTop);
    REPORTER_ASSERT(reporter, 100 == finalCullRect.fBottom);
    REPORTER_ASSERT(reporter, 100 == finalCullRect.fRight);
}

test_draw_bitmaps()

static void test_draw_bitmaps ( SkCanvas *  canvas )

static

Definition at line 545 of file PictureTest.cpp.

                                                {
    SkBitmap empty;
    draw_bitmaps(empty, canvas);
    empty.setInfo(SkImageInfo::MakeN32Premul(10, 10));
    draw_bitmaps(empty, canvas);
}

test_gen_id()

static void test_gen_id ( skiatest::Reporter *  reporter )

static

Definition at line 491 of file PictureTest.cpp.

                                                    {
 
    SkPictureRecorder recorder;
    recorder.beginRecording(0, 0);
    sk_sp<SkPicture> empty(recorder.finishRecordingAsPicture());
 
    // Empty pictures should still have a valid ID
    REPORTER_ASSERT(reporter, empty->uniqueID() != SK_InvalidGenID);
 
    SkCanvas* canvas = recorder.beginRecording(1, 1);
    canvas->drawColor(SK_ColorWHITE);
    sk_sp<SkPicture> hasData(recorder.finishRecordingAsPicture());
    // picture should have a non-zero id after recording
    REPORTER_ASSERT(reporter, hasData->uniqueID() != SK_InvalidGenID);
 
    // both pictures should have different ids
    REPORTER_ASSERT(reporter, hasData->uniqueID() != empty->uniqueID());
}

test_peephole()

static void test_peephole ( )

static

Definition at line 322 of file PictureTest.cpp.

                            {
    SkRandom rand;
 
    SkPictureRecorder recorder;
 
    for (int j = 0; j < 100; j++) {
        SkRandom rand2(rand); // remember the seed
 
        SkCanvas* canvas = recorder.beginRecording(100, 100);
 
        for (int i = 0; i < 1000; ++i) {
            rand_op(canvas, rand);
        }
        sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
 
        rand = rand2;
    }
 
    {
        SkCanvas* canvas = recorder.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();
        }
        sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
    }
}

test_typeface()

static void test_typeface ( skiatest::Reporter *  reporter )

static

Definition at line 510 of file PictureTest.cpp.

                                                      {
    SkPictureRecorder recorder;
    SkCanvas* canvas = recorder.beginRecording(10, 10);
    SkFont font(ToolUtils::CreateTestTypeface("Arial", SkFontStyle::Italic()));
    canvas->drawString("Q", 0, 10, font, SkPaint());
    sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
    SkDynamicMemoryWStream stream;
    picture->serialize(&stream, nullptr);  // default SkSerialProcs
}

test_unbalanced_save_restores()

static void test_unbalanced_save_restores ( skiatest::Reporter *  reporter )

static

Definition at line 261 of file PictureTest.cpp.

                                                                      {
    SkCanvas testCanvas(100, 100);
    set_canvas_to_save_count_4(&testCanvas);
 
    REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount());
 
    SkPaint paint;
    SkRect rect = SkRect::MakeLTRB(-10000000, -10000000, 10000000, 10000000);
 
    SkPictureRecorder recorder;
 
    {
        // Create picture with 2 unbalanced saves
        SkCanvas* canvas = recorder.beginRecording(100, 100);
        canvas->save();
        canvas->translate(10, 10);
        canvas->drawRect(rect, paint);
        canvas->save();
        canvas->translate(10, 10);
        canvas->drawRect(rect, paint);
        sk_sp<SkPicture> extraSavePicture(recorder.finishRecordingAsPicture());
 
        testCanvas.drawPicture(extraSavePicture);
        REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount());
    }
 
    set_canvas_to_save_count_4(&testCanvas);
 
    {
        // Create picture with 2 unbalanced restores
        SkCanvas* canvas = recorder.beginRecording(100, 100);
        canvas->save();
        canvas->translate(10, 10);
        canvas->drawRect(rect, paint);
        canvas->save();
        canvas->translate(10, 10);
        canvas->drawRect(rect, paint);
        canvas->restore();
        canvas->restore();
        canvas->restore();
        canvas->restore();
        sk_sp<SkPicture> extraRestorePicture(recorder.finishRecordingAsPicture());
 
        testCanvas.drawPicture(extraRestorePicture);
        REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount());
    }
 
    set_canvas_to_save_count_4(&testCanvas);
 
    {
        SkCanvas* canvas = recorder.beginRecording(100, 100);
        canvas->translate(10, 10);
        canvas->drawRect(rect, paint);
        sk_sp<SkPicture> noSavePicture(recorder.finishRecordingAsPicture());
 
        testCanvas.drawPicture(noSavePicture);
        REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount());
        REPORTER_ASSERT(reporter, testCanvas.getTotalMatrix().isIdentity());
    }
}