| /* |
| * 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 "TestClassDef.h" |
| #include "SkBitmapDevice.h" |
| #include "SkCanvas.h" |
| #include "SkColorPriv.h" |
| #include "SkData.h" |
| #include "SkError.h" |
| #include "SkPaint.h" |
| #include "SkPicture.h" |
| #include "SkPictureUtils.h" |
| #include "SkRandom.h" |
| #include "SkRRect.h" |
| #include "SkShader.h" |
| #include "SkStream.h" |
| |
| |
| static void make_bm(SkBitmap* bm, int w, int h, SkColor color, bool immutable) { |
| bm->setConfig(SkBitmap::kARGB_8888_Config, w, h); |
| bm->allocPixels(); |
| bm->eraseColor(color); |
| if (immutable) { |
| bm->setImmutable(); |
| } |
| } |
| |
| typedef void (*DrawBitmapProc)(SkCanvas*, const SkBitmap&, const SkPoint&); |
| |
| static void drawbitmap_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkPoint& pos) { |
| canvas->drawBitmap(bm, pos.fX, pos.fY, NULL); |
| } |
| |
| static void drawbitmaprect_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkPoint& pos) { |
| SkRect r = { |
| 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) |
| }; |
| r.offset(pos.fX, pos.fY); |
| canvas->drawBitmapRectToRect(bm, NULL, r, NULL); |
| } |
| |
| static void drawshader_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkPoint& pos) { |
| SkRect r = { |
| 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) |
| }; |
| r.offset(pos.fX, pos.fY); |
| |
| SkShader* s = SkShader::CreateBitmapShader(bm, |
| SkShader::kClamp_TileMode, |
| SkShader::kClamp_TileMode); |
| SkPaint paint; |
| paint.setShader(s)->unref(); |
| canvas->drawRect(r, paint); |
| canvas->drawOval(r, paint); |
| SkRRect rr; |
| rr.setRectXY(r, 10, 10); |
| canvas->drawRRect(rr, paint); |
| } |
| |
| // Return a picture with the bitmaps drawn at the specified positions. |
| static SkPicture* record_bitmaps(const SkBitmap bm[], const SkPoint pos[], |
| int count, DrawBitmapProc proc) { |
| SkPicture* pic = new SkPicture; |
| SkCanvas* canvas = pic->beginRecording(1000, 1000); |
| for (int i = 0; i < count; ++i) { |
| proc(canvas, bm[i], pos[i]); |
| } |
| pic->endRecording(); |
| return pic; |
| } |
| |
| static void rand_rect(SkRect* rect, SkRandom& rand, SkScalar W, SkScalar H) { |
| rect->fLeft = rand.nextRangeScalar(-W, 2*W); |
| rect->fTop = rand.nextRangeScalar(-H, 2*H); |
| rect->fRight = rect->fLeft + rand.nextRangeScalar(0, W); |
| rect->fBottom = rect->fTop + rand.nextRangeScalar(0, H); |
| |
| // we integralize rect to make our tests more predictable, since Gather is |
| // a little sloppy. |
| SkIRect ir; |
| rect->round(&ir); |
| rect->set(ir); |
| } |
| |
| // Allocate result to be large enough to hold subset, and then draw the picture |
| // into it, offsetting by subset's top/left corner. |
| static void draw(SkPicture* pic, const SkRect& subset, SkBitmap* result) { |
| SkIRect ir; |
| subset.roundOut(&ir); |
| int w = ir.width(); |
| int h = ir.height(); |
| make_bm(result, w, h, 0, false); |
| |
| SkCanvas canvas(*result); |
| canvas.translate(-SkIntToScalar(ir.left()), -SkIntToScalar(ir.top())); |
| canvas.drawPicture(*pic); |
| } |
| |
| template <typename T> int find_index(const T* array, T elem, int count) { |
| for (int i = 0; i < count; ++i) { |
| if (array[i] == elem) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| // Return true if 'ref' is found in array[] |
| static bool find(SkPixelRef const * const * array, SkPixelRef const * ref, int count) { |
| return find_index<const SkPixelRef*>(array, ref, count) >= 0; |
| } |
| |
| // Look at each pixel in bm, and if its color appears in colors[], find the |
| // corresponding value in refs[] and append that ref into array, skipping |
| // duplicates of the same value. |
| static void gather_from_colors(const SkBitmap& bm, SkPixelRef* const refs[], |
| int count, SkTDArray<SkPixelRef*>* array) { |
| // Since we only want to return unique values in array, when we scan we just |
| // set a bit for each index'd color found. In practice we only have a few |
| // distinct colors, so we just use an int's bits as our array. Hence the |
| // assert that count <= number-of-bits-in-our-int. |
| SkASSERT((unsigned)count <= 32); |
| uint32_t bitarray = 0; |
| |
| SkAutoLockPixels alp(bm); |
| |
| for (int y = 0; y < bm.height(); ++y) { |
| for (int x = 0; x < bm.width(); ++x) { |
| SkPMColor pmc = *bm.getAddr32(x, y); |
| // the only good case where the color is not found would be if |
| // the color is transparent, meaning no bitmap was drawn in that |
| // pixel. |
| if (pmc) { |
| uint32_t index = SkGetPackedR32(pmc); |
| SkASSERT(SkGetPackedG32(pmc) == index); |
| SkASSERT(SkGetPackedB32(pmc) == index); |
| SkASSERT(static_cast<int>(index) < count); |
| bitarray |= 1 << index; |
| } |
| } |
| } |
| |
| for (int i = 0; i < count; ++i) { |
| if (bitarray & (1 << i)) { |
| *array->append() = refs[i]; |
| } |
| } |
| } |
| |
| static void test_gatherpixelrefs(skiatest::Reporter* reporter) { |
| const int IW = 8; |
| const int IH = IW; |
| const SkScalar W = SkIntToScalar(IW); |
| const SkScalar H = W; |
| |
| static const int N = 4; |
| SkBitmap bm[N]; |
| SkPixelRef* refs[N]; |
| |
| const SkPoint pos[] = { |
| { 0, 0 }, { W, 0 }, { 0, H }, { W, H } |
| }; |
| |
| // Our convention is that the color components contain the index of their |
| // corresponding bitmap/pixelref |
| for (int i = 0; i < N; ++i) { |
| make_bm(&bm[i], IW, IH, SkColorSetARGB(0xFF, i, i, i), true); |
| refs[i] = bm[i].pixelRef(); |
| } |
| |
| static const DrawBitmapProc procs[] = { |
| drawbitmap_proc, drawbitmaprect_proc, drawshader_proc |
| }; |
| |
| SkRandom rand; |
| for (size_t k = 0; k < SK_ARRAY_COUNT(procs); ++k) { |
| SkAutoTUnref<SkPicture> pic(record_bitmaps(bm, pos, N, procs[k])); |
| |
| REPORTER_ASSERT(reporter, pic->willPlayBackBitmaps() || N == 0); |
| // quick check for a small piece of each quadrant, which should just |
| // contain 1 bitmap. |
| for (size_t i = 0; i < SK_ARRAY_COUNT(pos); ++i) { |
| SkRect r; |
| r.set(2, 2, W - 2, H - 2); |
| r.offset(pos[i].fX, pos[i].fY); |
| SkAutoDataUnref data(SkPictureUtils::GatherPixelRefs(pic, r)); |
| REPORTER_ASSERT(reporter, data); |
| if (data) { |
| int count = static_cast<int>(data->size() / sizeof(SkPixelRef*)); |
| REPORTER_ASSERT(reporter, 1 == count); |
| REPORTER_ASSERT(reporter, *(SkPixelRef**)data->data() == refs[i]); |
| } |
| } |
| |
| // Test a bunch of random (mostly) rects, and compare the gather results |
| // with a deduced list of refs by looking at the colors drawn. |
| for (int j = 0; j < 100; ++j) { |
| SkRect r; |
| rand_rect(&r, rand, 2*W, 2*H); |
| |
| SkBitmap result; |
| draw(pic, r, &result); |
| SkTDArray<SkPixelRef*> array; |
| |
| SkData* data = SkPictureUtils::GatherPixelRefs(pic, r); |
| size_t dataSize = data ? data->size() : 0; |
| int gatherCount = static_cast<int>(dataSize / sizeof(SkPixelRef*)); |
| SkASSERT(gatherCount * sizeof(SkPixelRef*) == dataSize); |
| SkPixelRef** gatherRefs = data ? (SkPixelRef**)(data->data()) : NULL; |
| SkAutoDataUnref adu(data); |
| |
| gather_from_colors(result, refs, N, &array); |
| |
| /* |
| * GatherPixelRefs is conservative, so it can return more bitmaps |
| * that we actually can see (usually because of conservative bounds |
| * inflation for antialiasing). Thus our check here is only that |
| * Gather didn't miss any that we actually saw. Even that isn't |
| * a strict requirement on Gather, which is meant to be quick and |
| * only mostly-correct, but at the moment this test should work. |
| */ |
| for (int i = 0; i < array.count(); ++i) { |
| bool found = find(gatherRefs, array[i], gatherCount); |
| REPORTER_ASSERT(reporter, found); |
| #if 0 |
| // enable this block of code to debug failures, as it will rerun |
| // the case that failed. |
| if (!found) { |
| SkData* data = SkPictureUtils::GatherPixelRefs(pic, r); |
| size_t dataSize = data ? data->size() : 0; |
| } |
| #endif |
| } |
| } |
| } |
| } |
| |
| #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() { |
| SkRandom rand; |
| |
| for (int j = 0; j < 100; j++) { |
| SkRandom rand2(rand); // remember the seed |
| |
| SkPicture picture; |
| SkCanvas* canvas = picture.beginRecording(100, 100); |
| |
| for (int i = 0; i < 1000; ++i) { |
| rand_op(canvas, rand); |
| } |
| picture.endRecording(); |
| |
| rand = rand2; |
| } |
| |
| { |
| 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(); |
| } |
| } |
| |
| #ifndef SK_DEBUG |
| // Only test this is in release mode. We deliberately crash in debug mode, since a valid caller |
| // should never do this. |
| static void test_bad_bitmap() { |
| // This bitmap has a width and height but no pixels. As a result, attempting to record it will |
| // fail. |
| SkBitmap bm; |
| bm.setConfig(SkBitmap::kARGB_8888_Config, 100, 100); |
| SkPicture picture; |
| SkCanvas* recordingCanvas = picture.beginRecording(100, 100); |
| recordingCanvas->drawBitmap(bm, 0, 0); |
| picture.endRecording(); |
| |
| SkCanvas canvas; |
| canvas.drawPicture(picture); |
| } |
| #endif |
| |
| #include "SkData.h" |
| #include "SkImageRef_GlobalPool.h" |
| // Class to test SkPixelRef::onRefEncodedData, since there are currently no implementations in skia. |
| class SkDataImageRef : public SkImageRef_GlobalPool { |
| |
| public: |
| SkDataImageRef(SkMemoryStream* stream) |
| : SkImageRef_GlobalPool(stream, SkBitmap::kNo_Config) { |
| SkASSERT(stream != NULL); |
| fData = stream->copyToData(); |
| this->setImmutable(); |
| } |
| |
| ~SkDataImageRef() { |
| fData->unref(); |
| } |
| |
| virtual SkData* onRefEncodedData() SK_OVERRIDE { |
| fData->ref(); |
| return fData; |
| } |
| |
| private: |
| SkData* fData; |
| }; |
| |
| #include "SkImageEncoder.h" |
| |
| static SkData* encode_bitmap_to_data(size_t* offset, const SkBitmap& bm) { |
| *offset = 0; |
| return SkImageEncoder::EncodeData(bm, SkImageEncoder::kPNG_Type, 100); |
| } |
| |
| static SkData* serialized_picture_from_bitmap(const SkBitmap& bitmap) { |
| SkPicture picture; |
| SkCanvas* canvas = picture.beginRecording(bitmap.width(), bitmap.height()); |
| canvas->drawBitmap(bitmap, 0, 0); |
| SkDynamicMemoryWStream wStream; |
| picture.serialize(&wStream, &encode_bitmap_to_data); |
| return wStream.copyToData(); |
| } |
| |
| struct ErrorContext { |
| int fErrors; |
| skiatest::Reporter* fReporter; |
| }; |
| |
| static void assert_one_parse_error_cb(SkError error, void* context) { |
| ErrorContext* errorContext = static_cast<ErrorContext*>(context); |
| errorContext->fErrors++; |
| // This test only expects one error, and that is a kParseError. If there are others, |
| // there is some unknown problem. |
| REPORTER_ASSERT_MESSAGE(errorContext->fReporter, 1 == errorContext->fErrors, |
| "This threw more errors than expected."); |
| REPORTER_ASSERT_MESSAGE(errorContext->fReporter, kParseError_SkError == error, |
| SkGetLastErrorString()); |
| } |
| |
| static void test_bitmap_with_encoded_data(skiatest::Reporter* reporter) { |
| // Create a bitmap that will be encoded. |
| SkBitmap original; |
| make_bm(&original, 100, 100, SK_ColorBLUE, true); |
| SkDynamicMemoryWStream wStream; |
| if (!SkImageEncoder::EncodeStream(&wStream, original, SkImageEncoder::kPNG_Type, 100)) { |
| return; |
| } |
| SkAutoDataUnref data(wStream.copyToData()); |
| SkMemoryStream memStream; |
| memStream.setData(data); |
| |
| // Use the encoded bitmap as the data for an image ref. |
| SkBitmap bm; |
| SkAutoTUnref<SkDataImageRef> imageRef(SkNEW_ARGS(SkDataImageRef, (&memStream))); |
| imageRef->getInfo(&bm); |
| bm.setPixelRef(imageRef); |
| |
| // Write both bitmaps to pictures, and ensure that the resulting data streams are the same. |
| // Flattening original will follow the old path of performing an encode, while flattening bm |
| // will use the already encoded data. |
| SkAutoDataUnref picture1(serialized_picture_from_bitmap(original)); |
| SkAutoDataUnref picture2(serialized_picture_from_bitmap(bm)); |
| REPORTER_ASSERT(reporter, picture1->equals(picture2)); |
| // Now test that a parse error was generated when trying to create a new SkPicture without |
| // providing a function to decode the bitmap. |
| ErrorContext context; |
| context.fErrors = 0; |
| context.fReporter = reporter; |
| SkSetErrorCallback(assert_one_parse_error_cb, &context); |
| SkMemoryStream pictureStream(picture1); |
| SkClearLastError(); |
| SkAutoUnref pictureFromStream(SkPicture::CreateFromStream(&pictureStream, NULL)); |
| REPORTER_ASSERT(reporter, pictureFromStream.get() != NULL); |
| SkClearLastError(); |
| SkSetErrorCallback(NULL, NULL); |
| } |
| |
| static void test_clone_empty(skiatest::Reporter* reporter) { |
| // This is a regression test for crbug.com/172062 |
| // Before the fix, we used to crash accessing a null pointer when we |
| // had a picture with no paints. This test passes by not crashing. |
| { |
| SkPicture picture; |
| picture.beginRecording(1, 1); |
| picture.endRecording(); |
| SkPicture* destPicture = picture.clone(); |
| REPORTER_ASSERT(reporter, NULL != destPicture); |
| destPicture->unref(); |
| } |
| { |
| // Test without call to endRecording |
| SkPicture picture; |
| picture.beginRecording(1, 1); |
| SkPicture* destPicture = picture.clone(); |
| REPORTER_ASSERT(reporter, NULL != destPicture); |
| destPicture->unref(); |
| } |
| } |
| |
| static void test_clip_bound_opt(skiatest::Reporter* reporter) { |
| // 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(SkPath::kInverseEvenOdd_FillType); |
| SkPath path; |
| path.addOval(rect2); |
| SkPath path2; |
| path2.addOval(rect3); |
| SkIRect clipBounds; |
| // Minimalist test set for 100% code coverage of |
| // SkPictureRecord::updateClipConservativelyUsingBounds |
| { |
| SkPicture picture; |
| SkCanvas* canvas = picture.beginRecording(10, 10, |
| SkPicture::kUsePathBoundsForClip_RecordingFlag); |
| canvas->clipPath(invPath, SkRegion::kIntersect_Op); |
| bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); |
| REPORTER_ASSERT(reporter, true == nonEmpty); |
| REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); |
| REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); |
| REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); |
| REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); |
| } |
| { |
| SkPicture picture; |
| SkCanvas* canvas = picture.beginRecording(10, 10, |
| SkPicture::kUsePathBoundsForClip_RecordingFlag); |
| canvas->clipPath(path, SkRegion::kIntersect_Op); |
| canvas->clipPath(invPath, SkRegion::kIntersect_Op); |
| bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); |
| REPORTER_ASSERT(reporter, true == nonEmpty); |
| REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); |
| REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); |
| REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); |
| REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); |
| } |
| { |
| SkPicture picture; |
| SkCanvas* canvas = picture.beginRecording(10, 10, |
| SkPicture::kUsePathBoundsForClip_RecordingFlag); |
| canvas->clipPath(path, SkRegion::kIntersect_Op); |
| canvas->clipPath(invPath, SkRegion::kUnion_Op); |
| bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); |
| REPORTER_ASSERT(reporter, true == nonEmpty); |
| REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); |
| REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); |
| REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); |
| REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); |
| } |
| { |
| SkPicture picture; |
| SkCanvas* canvas = picture.beginRecording(10, 10, |
| SkPicture::kUsePathBoundsForClip_RecordingFlag); |
| canvas->clipPath(path, SkRegion::kDifference_Op); |
| bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); |
| REPORTER_ASSERT(reporter, true == nonEmpty); |
| REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); |
| REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); |
| REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); |
| REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); |
| } |
| { |
| SkPicture picture; |
| SkCanvas* canvas = picture.beginRecording(10, 10, |
| SkPicture::kUsePathBoundsForClip_RecordingFlag); |
| canvas->clipPath(path, SkRegion::kReverseDifference_Op); |
| bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); |
| // True clip is actually empty in this case, but the best |
| // determination we can make using only bounds as input is that the |
| // clip is included in the bounds of 'path'. |
| REPORTER_ASSERT(reporter, true == nonEmpty); |
| REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); |
| REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); |
| REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); |
| REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); |
| } |
| { |
| SkPicture picture; |
| SkCanvas* canvas = picture.beginRecording(10, 10, |
| SkPicture::kUsePathBoundsForClip_RecordingFlag); |
| canvas->clipPath(path, SkRegion::kIntersect_Op); |
| canvas->clipPath(path2, SkRegion::kXOR_Op); |
| bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); |
| REPORTER_ASSERT(reporter, true == nonEmpty); |
| REPORTER_ASSERT(reporter, 6 == clipBounds.fLeft); |
| REPORTER_ASSERT(reporter, 6 == clipBounds.fTop); |
| REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); |
| REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); |
| } |
| } |
| |
| /** |
| * A canvas that records the number of clip commands. |
| */ |
| class ClipCountingCanvas : public SkCanvas { |
| public: |
| explicit ClipCountingCanvas(SkBaseDevice* device) |
| : SkCanvas(device) |
| , fClipCount(0){ |
| } |
| |
| virtual bool clipRect(const SkRect& r, SkRegion::Op op, bool doAA) |
| SK_OVERRIDE { |
| fClipCount += 1; |
| return this->INHERITED::clipRect(r, op, doAA); |
| } |
| |
| virtual bool clipRRect(const SkRRect& rrect, SkRegion::Op op, bool doAA) |
| SK_OVERRIDE { |
| fClipCount += 1; |
| return this->INHERITED::clipRRect(rrect, op, doAA); |
| } |
| |
| virtual bool clipPath(const SkPath& path, SkRegion::Op op, bool doAA) |
| SK_OVERRIDE { |
| fClipCount += 1; |
| return this->INHERITED::clipPath(path, op, doAA); |
| } |
| |
| unsigned getClipCount() const { return fClipCount; } |
| |
| private: |
| unsigned fClipCount; |
| |
| typedef SkCanvas INHERITED; |
| }; |
| |
| static void test_clip_expansion(skiatest::Reporter* reporter) { |
| SkPicture picture; |
| SkCanvas* canvas = picture.beginRecording(10, 10, 0); |
| |
| canvas->clipRect(SkRect::MakeEmpty(), SkRegion::kReplace_Op); |
| // The following expanding clip should not be skipped. |
| canvas->clipRect(SkRect::MakeXYWH(4, 4, 3, 3), SkRegion::kUnion_Op); |
| // Draw something so the optimizer doesn't just fold the world. |
| SkPaint p; |
| p.setColor(SK_ColorBLUE); |
| canvas->drawPaint(p); |
| |
| SkBitmapDevice testDevice(SkBitmap::kNo_Config, 10, 10); |
| ClipCountingCanvas testCanvas(&testDevice); |
| picture.draw(&testCanvas); |
| |
| // Both clips should be present on playback. |
| REPORTER_ASSERT(reporter, testCanvas.getClipCount() == 2); |
| } |
| |
| static void test_hierarchical(skiatest::Reporter* reporter) { |
| SkBitmap bm; |
| make_bm(&bm, 10, 10, SK_ColorRED, true); |
| |
| SkCanvas* canvas; |
| |
| SkPicture childPlain; |
| childPlain.beginRecording(10, 10); |
| childPlain.endRecording(); |
| REPORTER_ASSERT(reporter, !childPlain.willPlayBackBitmaps()); // 0 |
| |
| SkPicture childWithBitmap; |
| childWithBitmap.beginRecording(10, 10)->drawBitmap(bm, 0, 0); |
| childWithBitmap.endRecording(); |
| REPORTER_ASSERT(reporter, childWithBitmap.willPlayBackBitmaps()); // 1 |
| |
| SkPicture parentPP; |
| canvas = parentPP.beginRecording(10, 10); |
| canvas->drawPicture(childPlain); |
| parentPP.endRecording(); |
| REPORTER_ASSERT(reporter, !parentPP.willPlayBackBitmaps()); // 0 |
| |
| SkPicture parentPWB; |
| canvas = parentPWB.beginRecording(10, 10); |
| canvas->drawPicture(childWithBitmap); |
| parentPWB.endRecording(); |
| REPORTER_ASSERT(reporter, parentPWB.willPlayBackBitmaps()); // 1 |
| |
| SkPicture parentWBP; |
| canvas = parentWBP.beginRecording(10, 10); |
| canvas->drawBitmap(bm, 0, 0); |
| canvas->drawPicture(childPlain); |
| parentWBP.endRecording(); |
| REPORTER_ASSERT(reporter, parentWBP.willPlayBackBitmaps()); // 1 |
| |
| SkPicture parentWBWB; |
| canvas = parentWBWB.beginRecording(10, 10); |
| canvas->drawBitmap(bm, 0, 0); |
| canvas->drawPicture(childWithBitmap); |
| parentWBWB.endRecording(); |
| REPORTER_ASSERT(reporter, parentWBWB.willPlayBackBitmaps()); // 2 |
| } |
| |
| DEF_TEST(Picture, reporter) { |
| #ifdef SK_DEBUG |
| test_deleting_empty_playback(); |
| test_serializing_empty_picture(); |
| #else |
| test_bad_bitmap(); |
| #endif |
| test_peephole(); |
| test_gatherpixelrefs(reporter); |
| test_bitmap_with_encoded_data(reporter); |
| test_clone_empty(reporter); |
| test_clip_bound_opt(reporter); |
| test_clip_expansion(reporter); |
| test_hierarchical(reporter); |
| } |