| /* |
| * 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 "SkBitmapDevice.h" |
| #include "SkBlurImageFilter.h" |
| #include "SkCanvas.h" |
| #include "SkColorPriv.h" |
| #include "SkDashPathEffect.h" |
| #include "SkData.h" |
| #include "SkDecodingImageGenerator.h" |
| #include "SkError.h" |
| #if SK_SUPPORT_GPU |
| #include "SkGpuDevice.h" |
| #endif |
| #include "SkImageEncoder.h" |
| #include "SkImageGenerator.h" |
| #include "SkPaint.h" |
| #include "SkPicture.h" |
| #include "SkPictureRecorder.h" |
| #include "SkPictureUtils.h" |
| #include "SkRRect.h" |
| #include "SkRandom.h" |
| #include "SkShader.h" |
| #include "SkStream.h" |
| |
| #if SK_SUPPORT_GPU |
| #include "SkSurface.h" |
| #include "GrContextFactory.h" |
| #include "GrPictureUtils.h" |
| #endif |
| #include "Test.h" |
| |
| #include "SkLumaColorFilter.h" |
| #include "SkColorFilterImageFilter.h" |
| |
| static const int gColorScale = 30; |
| static const int gColorOffset = 60; |
| |
| static void make_bm(SkBitmap* bm, int w, int h, SkColor color, bool immutable) { |
| bm->allocN32Pixels(w, h); |
| bm->eraseColor(color); |
| if (immutable) { |
| bm->setImmutable(); |
| } |
| } |
| |
| static void make_checkerboard(SkBitmap* bm, int w, int h, bool immutable) { |
| SkASSERT(w % 2 == 0); |
| SkASSERT(h % 2 == 0); |
| bm->allocPixels(SkImageInfo::Make(w, h, kAlpha_8_SkColorType, |
| kPremul_SkAlphaType)); |
| SkAutoLockPixels lock(*bm); |
| for (int y = 0; y < h; y += 2) { |
| uint8_t* s = bm->getAddr8(0, y); |
| for (int x = 0; x < w; x += 2) { |
| *s++ = 0xFF; |
| *s++ = 0x00; |
| } |
| s = bm->getAddr8(0, y + 1); |
| for (int x = 0; x < w; x += 2) { |
| *s++ = 0x00; |
| *s++ = 0xFF; |
| } |
| } |
| if (immutable) { |
| bm->setImmutable(); |
| } |
| } |
| |
| static void init_paint(SkPaint* paint, const SkBitmap &bm) { |
| SkShader* shader = SkShader::CreateBitmapShader(bm, |
| SkShader::kClamp_TileMode, |
| SkShader::kClamp_TileMode); |
| paint->setShader(shader)->unref(); |
| } |
| |
| typedef void (*DrawBitmapProc)(SkCanvas*, const SkBitmap&, |
| const SkBitmap&, const SkPoint&, |
| SkTDArray<SkPixelRef*>* usedPixRefs); |
| |
| static void drawpaint_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkBitmap& altBM, const SkPoint& pos, |
| SkTDArray<SkPixelRef*>* usedPixRefs) { |
| SkPaint paint; |
| init_paint(&paint, bm); |
| |
| canvas->drawPaint(paint); |
| *usedPixRefs->append() = bm.pixelRef(); |
| } |
| |
| static void drawpoints_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkBitmap& altBM, const SkPoint& pos, |
| SkTDArray<SkPixelRef*>* usedPixRefs) { |
| SkPaint paint; |
| init_paint(&paint, bm); |
| |
| // draw a rect |
| SkPoint points[5] = { |
| { pos.fX, pos.fY }, |
| { pos.fX + bm.width() - 1, pos.fY }, |
| { pos.fX + bm.width() - 1, pos.fY + bm.height() - 1 }, |
| { pos.fX, pos.fY + bm.height() - 1 }, |
| { pos.fX, pos.fY }, |
| }; |
| |
| canvas->drawPoints(SkCanvas::kPolygon_PointMode, 5, points, paint); |
| *usedPixRefs->append() = bm.pixelRef(); |
| } |
| |
| static void drawrect_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkBitmap& altBM, const SkPoint& pos, |
| SkTDArray<SkPixelRef*>* usedPixRefs) { |
| SkPaint paint; |
| init_paint(&paint, bm); |
| |
| SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; |
| r.offset(pos.fX, pos.fY); |
| |
| canvas->drawRect(r, paint); |
| *usedPixRefs->append() = bm.pixelRef(); |
| } |
| |
| static void drawoval_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkBitmap& altBM, const SkPoint& pos, |
| SkTDArray<SkPixelRef*>* usedPixRefs) { |
| SkPaint paint; |
| init_paint(&paint, bm); |
| |
| SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; |
| r.offset(pos.fX, pos.fY); |
| |
| canvas->drawOval(r, paint); |
| *usedPixRefs->append() = bm.pixelRef(); |
| } |
| |
| static void drawrrect_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkBitmap& altBM, const SkPoint& pos, |
| SkTDArray<SkPixelRef*>* usedPixRefs) { |
| SkPaint paint; |
| init_paint(&paint, bm); |
| |
| SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; |
| r.offset(pos.fX, pos.fY); |
| |
| SkRRect rr; |
| rr.setRectXY(r, SkIntToScalar(bm.width())/4, SkIntToScalar(bm.height())/4); |
| canvas->drawRRect(rr, paint); |
| *usedPixRefs->append() = bm.pixelRef(); |
| } |
| |
| static void drawpath_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkBitmap& altBM, const SkPoint& pos, |
| SkTDArray<SkPixelRef*>* usedPixRefs) { |
| SkPaint paint; |
| init_paint(&paint, bm); |
| |
| SkPath path; |
| path.lineTo(bm.width()/2.0f, SkIntToScalar(bm.height())); |
| path.lineTo(SkIntToScalar(bm.width()), 0); |
| path.close(); |
| path.offset(pos.fX, pos.fY); |
| |
| canvas->drawPath(path, paint); |
| *usedPixRefs->append() = bm.pixelRef(); |
| } |
| |
| static void drawbitmap_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkBitmap& altBM, const SkPoint& pos, |
| SkTDArray<SkPixelRef*>* usedPixRefs) { |
| canvas->drawBitmap(bm, pos.fX, pos.fY, NULL); |
| *usedPixRefs->append() = bm.pixelRef(); |
| } |
| |
| static void drawbitmap_withshader_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkBitmap& altBM, const SkPoint& pos, |
| SkTDArray<SkPixelRef*>* usedPixRefs) { |
| SkPaint paint; |
| init_paint(&paint, bm); |
| |
| // The bitmap in the paint is ignored unless we're drawing an A8 bitmap |
| canvas->drawBitmap(altBM, pos.fX, pos.fY, &paint); |
| *usedPixRefs->append() = bm.pixelRef(); |
| *usedPixRefs->append() = altBM.pixelRef(); |
| } |
| |
| static void drawsprite_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkBitmap& altBM, const SkPoint& pos, |
| SkTDArray<SkPixelRef*>* usedPixRefs) { |
| const SkMatrix& ctm = canvas->getTotalMatrix(); |
| |
| SkPoint p(pos); |
| ctm.mapPoints(&p, 1); |
| |
| canvas->drawSprite(bm, (int)p.fX, (int)p.fY, NULL); |
| *usedPixRefs->append() = bm.pixelRef(); |
| } |
| |
| #if 0 |
| // Although specifiable, this case doesn't seem to make sense (i.e., the |
| // bitmap in the shader is never used). |
| static void drawsprite_withshader_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkBitmap& altBM, const SkPoint& pos, |
| SkTDArray<SkPixelRef*>* usedPixRefs) { |
| SkPaint paint; |
| init_paint(&paint, bm); |
| |
| const SkMatrix& ctm = canvas->getTotalMatrix(); |
| |
| SkPoint p(pos); |
| ctm.mapPoints(&p, 1); |
| |
| canvas->drawSprite(altBM, (int)p.fX, (int)p.fY, &paint); |
| *usedPixRefs->append() = bm.pixelRef(); |
| *usedPixRefs->append() = altBM.pixelRef(); |
| } |
| #endif |
| |
| static void drawbitmaprect_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkBitmap& altBM, const SkPoint& pos, |
| SkTDArray<SkPixelRef*>* usedPixRefs) { |
| SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; |
| |
| r.offset(pos.fX, pos.fY); |
| canvas->drawBitmapRectToRect(bm, NULL, r, NULL); |
| *usedPixRefs->append() = bm.pixelRef(); |
| } |
| |
| static void drawbitmaprect_withshader_proc(SkCanvas* canvas, |
| const SkBitmap& bm, |
| const SkBitmap& altBM, |
| const SkPoint& pos, |
| SkTDArray<SkPixelRef*>* usedPixRefs) { |
| SkPaint paint; |
| init_paint(&paint, bm); |
| |
| SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; |
| r.offset(pos.fX, pos.fY); |
| |
| // The bitmap in the paint is ignored unless we're drawing an A8 bitmap |
| canvas->drawBitmapRectToRect(altBM, NULL, r, &paint); |
| *usedPixRefs->append() = bm.pixelRef(); |
| *usedPixRefs->append() = altBM.pixelRef(); |
| } |
| |
| static void drawtext_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkBitmap& altBM, const SkPoint& pos, |
| SkTDArray<SkPixelRef*>* usedPixRefs) { |
| SkPaint paint; |
| init_paint(&paint, bm); |
| paint.setTextSize(SkIntToScalar(1.5*bm.width())); |
| |
| canvas->drawText("0", 1, pos.fX, pos.fY+bm.width(), paint); |
| *usedPixRefs->append() = bm.pixelRef(); |
| } |
| |
| static void drawpostext_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkBitmap& altBM, const SkPoint& pos, |
| SkTDArray<SkPixelRef*>* usedPixRefs) { |
| SkPaint paint; |
| init_paint(&paint, bm); |
| paint.setTextSize(SkIntToScalar(1.5*bm.width())); |
| |
| SkPoint point = { pos.fX, pos.fY + bm.height() }; |
| canvas->drawPosText("O", 1, &point, paint); |
| *usedPixRefs->append() = bm.pixelRef(); |
| } |
| |
| static void drawtextonpath_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkBitmap& altBM, const SkPoint& pos, |
| SkTDArray<SkPixelRef*>* usedPixRefs) { |
| SkPaint paint; |
| |
| init_paint(&paint, bm); |
| paint.setTextSize(SkIntToScalar(1.5*bm.width())); |
| |
| SkPath path; |
| path.lineTo(SkIntToScalar(bm.width()), 0); |
| path.offset(pos.fX, pos.fY+bm.height()); |
| |
| canvas->drawTextOnPath("O", 1, path, NULL, paint); |
| *usedPixRefs->append() = bm.pixelRef(); |
| } |
| |
| static void drawverts_proc(SkCanvas* canvas, const SkBitmap& bm, |
| const SkBitmap& altBM, const SkPoint& pos, |
| SkTDArray<SkPixelRef*>* usedPixRefs) { |
| SkPaint paint; |
| init_paint(&paint, bm); |
| |
| SkPoint verts[4] = { |
| { pos.fX, pos.fY }, |
| { pos.fX + bm.width(), pos.fY }, |
| { pos.fX + bm.width(), pos.fY + bm.height() }, |
| { pos.fX, pos.fY + bm.height() } |
| }; |
| SkPoint texs[4] = { { 0, 0 }, |
| { SkIntToScalar(bm.width()), 0 }, |
| { SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }, |
| { 0, SkIntToScalar(bm.height()) } }; |
| uint16_t indices[6] = { 0, 1, 2, 0, 2, 3 }; |
| |
| canvas->drawVertices(SkCanvas::kTriangles_VertexMode, 4, verts, texs, NULL, NULL, |
| indices, 6, paint); |
| *usedPixRefs->append() = bm.pixelRef(); |
| } |
| |
| // Return a picture with the bitmaps drawn at the specified positions. |
| static SkPicture* record_bitmaps(const SkBitmap bm[], |
| const SkPoint pos[], |
| SkTDArray<SkPixelRef*> analytic[], |
| int count, |
| DrawBitmapProc proc) { |
| SkPictureRecorder recorder; |
| SkCanvas* canvas = recorder.beginRecording(1000, 1000, NULL, 0); |
| for (int i = 0; i < count; ++i) { |
| analytic[i].rewind(); |
| canvas->save(); |
| SkRect clipRect = SkRect::MakeXYWH(pos[i].fX, pos[i].fY, |
| SkIntToScalar(bm[i].width()), |
| SkIntToScalar(bm[i].height())); |
| canvas->clipRect(clipRect, SkRegion::kIntersect_Op); |
| proc(canvas, bm[i], bm[count+i], pos[i], &analytic[i]); |
| canvas->restore(); |
| } |
| return recorder.endRecording(); |
| } |
| |
| 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); |
| } |
| |
| static void draw(SkPicture* pic, int width, int height, SkBitmap* result) { |
| make_bm(result, width, height, SK_ColorBLACK, false); |
| |
| SkCanvas canvas(*result); |
| 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 that is inside 'subset', 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. |
| // Note that gathering pixelRefs from rendered colors suffers from the problem |
| // that multiple simultaneous textures (e.g., A8 for alpha and 8888 for color) |
| // isn't easy to reconstruct. |
| static void gather_from_image(const SkBitmap& bm, SkPixelRef* const refs[], |
| int count, SkTDArray<SkPixelRef*>* array, |
| const SkRect& subset) { |
| SkIRect ir; |
| subset.roundOut(&ir); |
| |
| if (!ir.intersect(0, 0, bm.width()-1, bm.height()-1)) { |
| return; |
| } |
| |
| // 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 = ir.fTop; y < ir.fBottom; ++y) { |
| for (int x = ir.fLeft; x < ir.fRight; ++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); |
| if (0 == index) { |
| continue; // background color |
| } |
| SkASSERT(0 == (index - gColorOffset) % gColorScale); |
| index = (index - gColorOffset) / gColorScale; |
| 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 gather_from_analytic(const SkPoint pos[], SkScalar w, SkScalar h, |
| const SkTDArray<SkPixelRef*> analytic[], |
| int count, |
| SkTDArray<SkPixelRef*>* result, |
| const SkRect& subset) { |
| for (int i = 0; i < count; ++i) { |
| SkRect rect = SkRect::MakeXYWH(pos[i].fX, pos[i].fY, w, h); |
| |
| if (SkRect::Intersects(subset, rect)) { |
| result->append(analytic[i].count(), analytic[i].begin()); |
| } |
| } |
| } |
| |
| |
| static const struct { |
| const DrawBitmapProc proc; |
| const char* const desc; |
| } gProcs[] = { |
| {drawpaint_proc, "drawpaint"}, |
| {drawpoints_proc, "drawpoints"}, |
| {drawrect_proc, "drawrect"}, |
| {drawoval_proc, "drawoval"}, |
| {drawrrect_proc, "drawrrect"}, |
| {drawpath_proc, "drawpath"}, |
| {drawbitmap_proc, "drawbitmap"}, |
| {drawbitmap_withshader_proc, "drawbitmap_withshader"}, |
| {drawsprite_proc, "drawsprite"}, |
| #if 0 |
| {drawsprite_withshader_proc, "drawsprite_withshader"}, |
| #endif |
| {drawbitmaprect_proc, "drawbitmaprect"}, |
| {drawbitmaprect_withshader_proc, "drawbitmaprect_withshader"}, |
| {drawtext_proc, "drawtext"}, |
| {drawpostext_proc, "drawpostext"}, |
| {drawtextonpath_proc, "drawtextonpath"}, |
| {drawverts_proc, "drawverts"}, |
| }; |
| |
| static void create_textures(SkBitmap* bm, SkPixelRef** refs, int num, int w, int h) { |
| // Our convention is that the color components contain an encoding of |
| // the index of their corresponding bitmap/pixelref. (0,0,0,0) is |
| // reserved for the background |
| for (int i = 0; i < num; ++i) { |
| make_bm(&bm[i], w, h, |
| SkColorSetARGB(0xFF, |
| gColorScale*i+gColorOffset, |
| gColorScale*i+gColorOffset, |
| gColorScale*i+gColorOffset), |
| true); |
| refs[i] = bm[i].pixelRef(); |
| } |
| |
| // The A8 alternate bitmaps are all BW checkerboards |
| for (int i = 0; i < num; ++i) { |
| make_checkerboard(&bm[num+i], w, h, true); |
| refs[num+i] = bm[num+i].pixelRef(); |
| } |
| } |
| |
| static void test_gatherpixelrefs(skiatest::Reporter* reporter) { |
| const int IW = 32; |
| const int IH = IW; |
| const SkScalar W = SkIntToScalar(IW); |
| const SkScalar H = W; |
| |
| static const int N = 4; |
| SkBitmap bm[2*N]; |
| SkPixelRef* refs[2*N]; |
| SkTDArray<SkPixelRef*> analytic[N]; |
| |
| const SkPoint pos[N] = { |
| { 0, 0 }, { W, 0 }, { 0, H }, { W, H } |
| }; |
| |
| create_textures(bm, refs, N, IW, IH); |
| |
| SkRandom rand; |
| for (size_t k = 0; k < SK_ARRAY_COUNT(gProcs); ++k) { |
| SkAutoTUnref<SkPicture> pic( |
| record_bitmaps(bm, pos, analytic, N, gProcs[k].proc)); |
| |
| REPORTER_ASSERT(reporter, pic->willPlayBackBitmaps() || N == 0); |
| // quick check for a small piece of each quadrant, which should just |
| // contain 1 or 2 bitmaps. |
| 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)); |
| if (!data) { |
| ERRORF(reporter, "SkPictureUtils::GatherPixelRefs returned " |
| "NULL for %s.", gProcs[k].desc); |
| continue; |
| } |
| SkPixelRef** gatheredRefs = (SkPixelRef**)data->data(); |
| int count = static_cast<int>(data->size() / sizeof(SkPixelRef*)); |
| REPORTER_ASSERT(reporter, 1 == count || 2 == count); |
| if (1 == count) { |
| REPORTER_ASSERT(reporter, gatheredRefs[0] == refs[i]); |
| } else if (2 == count) { |
| REPORTER_ASSERT(reporter, |
| (gatheredRefs[0] == refs[i] && gatheredRefs[1] == refs[i+N]) || |
| (gatheredRefs[1] == refs[i] && gatheredRefs[0] == refs[i+N])); |
| } |
| } |
| |
| SkBitmap image; |
| draw(pic, 2*IW, 2*IH, &image); |
| |
| // 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); |
| |
| SkTDArray<SkPixelRef*> fromImage; |
| gather_from_image(image, refs, N, &fromImage, r); |
| |
| SkTDArray<SkPixelRef*> fromAnalytic; |
| gather_from_analytic(pos, W, H, analytic, N, &fromAnalytic, r); |
| |
| 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); |
| |
| // Everything that we saw drawn should appear in the analytic list |
| // but the analytic list may contain some pixelRefs that were not |
| // seen in the image (e.g., A8 textures used as masks) |
| for (int i = 0; i < fromImage.count(); ++i) { |
| if (-1 == fromAnalytic.find(fromImage[i])) { |
| ERRORF(reporter, "PixelRef missing %d %s", |
| i, gProcs[k].desc); |
| } |
| } |
| |
| /* |
| * GatherPixelRefs is conservative, so it can return more bitmaps |
| * than are strictly required. Thus our check here is only that |
| * Gather didn't miss any that we actually needed. 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 < fromAnalytic.count(); ++i) { |
| bool found = find(gatherRefs, fromAnalytic[i], gatherCount); |
| if (!found) { |
| ERRORF(reporter, "PixelRef missing %d %s", |
| i, gProcs[k].desc); |
| } |
| #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 |
| } |
| } |
| } |
| } |
| |
| static void test_gatherpixelrefsandrects(skiatest::Reporter* reporter) { |
| const int IW = 32; |
| const int IH = IW; |
| const SkScalar W = SkIntToScalar(IW); |
| const SkScalar H = W; |
| |
| static const int N = 4; |
| SkBitmap bm[2*N]; |
| SkPixelRef* refs[2*N]; |
| SkTDArray<SkPixelRef*> analytic[N]; |
| |
| const SkPoint pos[N] = { |
| { 0, 0 }, { W, 0 }, { 0, H }, { W, H } |
| }; |
| |
| create_textures(bm, refs, N, IW, IH); |
| |
| SkRandom rand; |
| for (size_t k = 0; k < SK_ARRAY_COUNT(gProcs); ++k) { |
| SkAutoTUnref<SkPicture> pic( |
| record_bitmaps(bm, pos, analytic, N, gProcs[k].proc)); |
| |
| REPORTER_ASSERT(reporter, pic->willPlayBackBitmaps() || N == 0); |
| |
| SkAutoTUnref<SkPictureUtils::SkPixelRefContainer> prCont( |
| new SkPictureUtils::SkPixelRefsAndRectsList); |
| |
| SkPictureUtils::GatherPixelRefsAndRects(pic, prCont); |
| |
| // quick check for a small piece of each quadrant, which should just |
| // contain 1 or 2 bitmaps. |
| 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); |
| |
| SkTDArray<SkPixelRef*> gatheredRefs; |
| prCont->query(r, &gatheredRefs); |
| |
| int count = gatheredRefs.count(); |
| REPORTER_ASSERT(reporter, 1 == count || 2 == count); |
| if (1 == count) { |
| REPORTER_ASSERT(reporter, gatheredRefs[0] == refs[i]); |
| } else if (2 == count) { |
| REPORTER_ASSERT(reporter, |
| (gatheredRefs[0] == refs[i] && gatheredRefs[1] == refs[i+N]) || |
| (gatheredRefs[1] == refs[i] && gatheredRefs[0] == refs[i+N])); |
| } |
| } |
| |
| SkBitmap image; |
| draw(pic, 2*IW, 2*IH, &image); |
| |
| // Test a bunch of random (mostly) rects, and compare the gather results |
| // with the analytic results and the pixel refs seen in a rendering. |
| for (int j = 0; j < 100; ++j) { |
| SkRect r; |
| rand_rect(&r, rand, 2*W, 2*H); |
| |
| SkTDArray<SkPixelRef*> fromImage; |
| gather_from_image(image, refs, N, &fromImage, r); |
| |
| SkTDArray<SkPixelRef*> fromAnalytic; |
| gather_from_analytic(pos, W, H, analytic, N, &fromAnalytic, r); |
| |
| SkTDArray<SkPixelRef*> gatheredRefs; |
| prCont->query(r, &gatheredRefs); |
| |
| // Everything that we saw drawn should appear in the analytic list |
| // but the analytic list may contain some pixelRefs that were not |
| // seen in the image (e.g., A8 textures used as masks) |
| for (int i = 0; i < fromImage.count(); ++i) { |
| REPORTER_ASSERT(reporter, -1 != fromAnalytic.find(fromImage[i])); |
| } |
| |
| // Everything in the analytic list should appear in the gathered |
| // list. |
| for (int i = 0; i < fromAnalytic.count(); ++i) { |
| REPORTER_ASSERT(reporter, -1 != gatheredRefs.find(fromAnalytic[i])); |
| } |
| } |
| } |
| } |
| |
| #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() { |
| SkPictureRecorder recorder; |
| // Creates an SkPictureRecord |
| recorder.beginRecording(0, 0, NULL, 0); |
| // Turns that into an SkPicturePlayback |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| // Deletes the old SkPicturePlayback, and creates a new SkPictureRecord |
| recorder.beginRecording(0, 0, NULL, 0); |
| } |
| |
| // Ensure that serializing an empty picture does not assert. Likewise only runs in debug mode. |
| static void test_serializing_empty_picture() { |
| SkPictureRecorder recorder; |
| recorder.beginRecording(0, 0, NULL, 0); |
| SkAutoTUnref<SkPicture> picture(recorder.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); |
| } |
| } |
| |
| #if SK_SUPPORT_GPU |
| static void test_gpu_veto(skiatest::Reporter* reporter) { |
| |
| SkPictureRecorder recorder; |
| |
| SkCanvas* canvas = recorder.beginRecording(100, 100, NULL, 0); |
| { |
| SkPath path; |
| path.moveTo(0, 0); |
| path.lineTo(50, 50); |
| |
| SkScalar intervals[] = { 1.0f, 1.0f }; |
| SkAutoTUnref<SkDashPathEffect> dash(SkDashPathEffect::Create(intervals, 2, 0)); |
| |
| SkPaint paint; |
| paint.setStyle(SkPaint::kStroke_Style); |
| paint.setPathEffect(dash); |
| |
| canvas->drawPath(path, paint); |
| } |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| // path effects currently render an SkPicture undesireable for GPU rendering |
| REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL)); |
| |
| canvas = recorder.beginRecording(100, 100, NULL, 0); |
| { |
| SkPath path; |
| |
| path.moveTo(0, 0); |
| path.lineTo(0, 50); |
| path.lineTo(25, 25); |
| path.lineTo(50, 50); |
| path.lineTo(50, 0); |
| path.close(); |
| REPORTER_ASSERT(reporter, !path.isConvex()); |
| |
| SkPaint paint; |
| paint.setAntiAlias(true); |
| for (int i = 0; i < 50; ++i) { |
| canvas->drawPath(path, paint); |
| } |
| } |
| picture.reset(recorder.endRecording()); |
| // A lot of AA concave paths currently render an SkPicture undesireable for GPU rendering |
| REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL)); |
| |
| canvas = recorder.beginRecording(100, 100, NULL, 0); |
| { |
| SkPath path; |
| |
| path.moveTo(0, 0); |
| path.lineTo(0, 50); |
| path.lineTo(25, 25); |
| path.lineTo(50, 50); |
| path.lineTo(50, 0); |
| path.close(); |
| REPORTER_ASSERT(reporter, !path.isConvex()); |
| |
| SkPaint paint; |
| paint.setAntiAlias(true); |
| paint.setStyle(SkPaint::kStroke_Style); |
| paint.setStrokeWidth(0); |
| for (int i = 0; i < 50; ++i) { |
| canvas->drawPath(path, paint); |
| } |
| } |
| picture.reset(recorder.endRecording()); |
| // hairline stroked AA concave paths are fine for GPU rendering |
| REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL)); |
| } |
| |
| static void test_gpu_picture_optimization(skiatest::Reporter* reporter, |
| GrContextFactory* factory) { |
| |
| GrContext* context = factory->get(GrContextFactory::kNative_GLContextType); |
| |
| static const int kWidth = 100; |
| static const int kHeight = 100; |
| |
| SkAutoTUnref<SkPicture> pict; |
| |
| // create a picture with the structure: |
| // 1) |
| // SaveLayer |
| // Restore |
| // 2) |
| // SaveLayer |
| // Translate |
| // SaveLayer w/ bound |
| // Restore |
| // Restore |
| // 3) |
| // SaveLayer w/ copyable paint |
| // Restore |
| // 4) |
| // SaveLayer w/ non-copyable paint |
| // Restore |
| { |
| SkPictureRecorder recorder; |
| |
| SkCanvas* c = recorder.beginRecording(kWidth, kHeight, NULL, 0); |
| // 1) |
| c->saveLayer(NULL, NULL); |
| c->restore(); |
| |
| // 2) |
| c->saveLayer(NULL, NULL); |
| c->translate(kWidth/2, kHeight/2); |
| SkRect r = SkRect::MakeXYWH(0, 0, kWidth/2, kHeight/2); |
| c->saveLayer(&r, NULL); |
| c->restore(); |
| c->restore(); |
| |
| // 3) |
| { |
| SkPaint p; |
| p.setColor(SK_ColorRED); |
| c->saveLayer(NULL, &p); |
| c->restore(); |
| } |
| // 4) |
| // TODO: this case will need to be removed once the paint's are immutable |
| { |
| SkPaint p; |
| SkAutoTUnref<SkColorFilter> cf(SkLumaColorFilter::Create()); |
| p.setImageFilter(SkColorFilterImageFilter::Create(cf.get()))->unref(); |
| c->saveLayer(NULL, &p); |
| c->restore(); |
| } |
| |
| pict.reset(recorder.endRecording()); |
| } |
| |
| // Now test out the SaveLayer extraction |
| { |
| SkImageInfo info = SkImageInfo::MakeN32Premul(kWidth, kHeight); |
| |
| SkAutoTUnref<SkSurface> surface(SkSurface::NewScratchRenderTarget(context, info)); |
| |
| SkCanvas* canvas = surface->getCanvas(); |
| |
| canvas->EXPERIMENTAL_optimize(pict); |
| |
| SkPicture::AccelData::Key key = GPUAccelData::ComputeAccelDataKey(); |
| |
| const SkPicture::AccelData* data = pict->EXPERIMENTAL_getAccelData(key); |
| REPORTER_ASSERT(reporter, NULL != data); |
| |
| const GPUAccelData *gpuData = static_cast<const GPUAccelData*>(data); |
| REPORTER_ASSERT(reporter, 5 == gpuData->numSaveLayers()); |
| |
| const GPUAccelData::SaveLayerInfo& info0 = gpuData->saveLayerInfo(0); |
| // The parent/child layer appear in reverse order |
| const GPUAccelData::SaveLayerInfo& info1 = gpuData->saveLayerInfo(2); |
| const GPUAccelData::SaveLayerInfo& info2 = gpuData->saveLayerInfo(1); |
| const GPUAccelData::SaveLayerInfo& info3 = gpuData->saveLayerInfo(3); |
| // const GPUAccelData::SaveLayerInfo& info4 = gpuData->saveLayerInfo(4); |
| |
| REPORTER_ASSERT(reporter, info0.fValid); |
| REPORTER_ASSERT(reporter, kWidth == info0.fSize.fWidth && kHeight == info0.fSize.fHeight); |
| REPORTER_ASSERT(reporter, info0.fCTM.isIdentity()); |
| REPORTER_ASSERT(reporter, 0 == info0.fOffset.fX && 0 == info0.fOffset.fY); |
| REPORTER_ASSERT(reporter, NULL != info0.fPaint); |
| REPORTER_ASSERT(reporter, !info0.fIsNested && !info0.fHasNestedLayers); |
| |
| REPORTER_ASSERT(reporter, info1.fValid); |
| REPORTER_ASSERT(reporter, kWidth == info1.fSize.fWidth && kHeight == info1.fSize.fHeight); |
| REPORTER_ASSERT(reporter, info1.fCTM.isIdentity()); |
| REPORTER_ASSERT(reporter, 0 == info1.fOffset.fX && 0 == info1.fOffset.fY); |
| REPORTER_ASSERT(reporter, NULL != info1.fPaint); |
| REPORTER_ASSERT(reporter, !info1.fIsNested && info1.fHasNestedLayers); // has a nested SL |
| |
| REPORTER_ASSERT(reporter, info2.fValid); |
| REPORTER_ASSERT(reporter, kWidth/2 == info2.fSize.fWidth && |
| kHeight/2 == info2.fSize.fHeight); // bound reduces size |
| REPORTER_ASSERT(reporter, info2.fCTM.isIdentity()); // translated |
| REPORTER_ASSERT(reporter, kWidth/2 == info2.fOffset.fX && |
| kHeight/2 == info2.fOffset.fY); |
| REPORTER_ASSERT(reporter, NULL != info1.fPaint); |
| REPORTER_ASSERT(reporter, info2.fIsNested && !info2.fHasNestedLayers); // is nested |
| |
| REPORTER_ASSERT(reporter, info3.fValid); |
| REPORTER_ASSERT(reporter, kWidth == info3.fSize.fWidth && kHeight == info3.fSize.fHeight); |
| REPORTER_ASSERT(reporter, info3.fCTM.isIdentity()); |
| REPORTER_ASSERT(reporter, 0 == info3.fOffset.fX && 0 == info3.fOffset.fY); |
| REPORTER_ASSERT(reporter, NULL != info3.fPaint); |
| REPORTER_ASSERT(reporter, !info3.fIsNested && !info3.fHasNestedLayers); |
| |
| #if 0 // needs more though for GrGatherCanvas |
| REPORTER_ASSERT(reporter, !info4.fValid); // paint is/was uncopyable |
| REPORTER_ASSERT(reporter, kWidth == info4.fSize.fWidth && kHeight == info4.fSize.fHeight); |
| REPORTER_ASSERT(reporter, 0 == info4.fOffset.fX && 0 == info4.fOffset.fY); |
| REPORTER_ASSERT(reporter, info4.fCTM.isIdentity()); |
| REPORTER_ASSERT(reporter, NULL == info4.fPaint); // paint is/was uncopyable |
| REPORTER_ASSERT(reporter, !info4.fIsNested && !info4.fHasNestedLayers); |
| #endif |
| } |
| } |
| |
| #endif |
| |
| static void set_canvas_to_save_count_4(SkCanvas* canvas) { |
| canvas->restoreToCount(1); |
| canvas->save(); |
| canvas->save(); |
| canvas->save(); |
| } |
| |
| #ifdef SK_BUILD_FOR_ANDROID |
| /** |
| * A canvas that records the number of saves, saveLayers and restores. |
| */ |
| class SaveCountingCanvas : public SkCanvas { |
| public: |
| SaveCountingCanvas(int width, int height) |
| : INHERITED(width, height) |
| , fSaveCount(0) |
| , fSaveLayerCount(0) |
| , fRestoreCount(0){ |
| } |
| |
| virtual SaveLayerStrategy willSaveLayer(const SkRect* bounds, const SkPaint* paint, |
| SaveFlags flags) SK_OVERRIDE { |
| ++fSaveLayerCount; |
| return this->INHERITED::willSaveLayer(bounds, paint, flags); |
| } |
| |
| virtual void willSave(SaveFlags flags) SK_OVERRIDE { |
| ++fSaveCount; |
| this->INHERITED::willSave(flags); |
| } |
| |
| virtual void willRestore() SK_OVERRIDE { |
| ++fRestoreCount; |
| this->INHERITED::willRestore(); |
| } |
| |
| unsigned int getSaveCount() const { return fSaveCount; } |
| unsigned int getSaveLayerCount() const { return fSaveLayerCount; } |
| unsigned int getRestoreCount() const { return fRestoreCount; } |
| |
| private: |
| unsigned int fSaveCount; |
| unsigned int fSaveLayerCount; |
| unsigned int fRestoreCount; |
| |
| typedef SkCanvas INHERITED; |
| }; |
| |
| void check_save_state(skiatest::Reporter* reporter, SkPicture* picture, |
| unsigned int numSaves, unsigned int numSaveLayers, |
| unsigned int numRestores) { |
| SaveCountingCanvas canvas(picture->width(), picture->height()); |
| |
| picture->draw(&canvas); |
| |
| REPORTER_ASSERT(reporter, numSaves == canvas.getSaveCount()); |
| REPORTER_ASSERT(reporter, numSaveLayers == canvas.getSaveLayerCount()); |
| REPORTER_ASSERT(reporter, numRestores == canvas.getRestoreCount()); |
| } |
| |
| // This class exists so SkPicture can friend it and give it access to |
| // the 'partialReplay' method. |
| class SkPictureRecorderReplayTester { |
| public: |
| static SkPicture* Copy(SkPictureRecorder* recorder) { |
| SkPictureRecorder recorder2; |
| |
| SkCanvas* canvas = recorder2.beginRecording(10, 10, NULL, 0); |
| |
| recorder->partialReplay(canvas); |
| |
| return recorder2.endRecording(); |
| } |
| }; |
| |
| // Test out SkPictureRecorder::partialReplay |
| DEF_TEST(PictureRecorder_replay, reporter) { |
| // check save/saveLayer state |
| { |
| SkPictureRecorder recorder; |
| |
| SkCanvas* canvas = recorder.beginRecording(10, 10, NULL, 0); |
| |
| canvas->saveLayer(NULL, NULL); |
| |
| SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); |
| |
| // The extra save and restore comes from the Copy process. |
| check_save_state(reporter, copy, 2, 1, 3); |
| |
| canvas->saveLayer(NULL, NULL); |
| |
| SkAutoTUnref<SkPicture> final(recorder.endRecording()); |
| |
| check_save_state(reporter, final, 1, 2, 3); |
| |
| // The copy shouldn't pick up any operations added after it was made |
| check_save_state(reporter, copy, 2, 1, 3); |
| } |
| |
| // (partially) check leakage of draw ops |
| { |
| SkPictureRecorder recorder; |
| |
| SkCanvas* canvas = recorder.beginRecording(10, 10, NULL, 0); |
| |
| SkRect r = SkRect::MakeWH(5, 5); |
| SkPaint p; |
| |
| canvas->drawRect(r, p); |
| |
| SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); |
| |
| REPORTER_ASSERT(reporter, !copy->willPlayBackBitmaps()); |
| |
| SkBitmap bm; |
| make_bm(&bm, 10, 10, SK_ColorRED, true); |
| |
| r.offset(5.0f, 5.0f); |
| canvas->drawBitmapRectToRect(bm, NULL, r); |
| |
| SkAutoTUnref<SkPicture> final(recorder.endRecording()); |
| REPORTER_ASSERT(reporter, final->willPlayBackBitmaps()); |
| |
| REPORTER_ASSERT(reporter, copy->uniqueID() != final->uniqueID()); |
| |
| // The snapshot shouldn't pick up any operations added after it was made |
| REPORTER_ASSERT(reporter, !copy->willPlayBackBitmaps()); |
| } |
| } |
| #endif |
| |
| static void test_unbalanced_save_restores(skiatest::Reporter* reporter) { |
| 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, NULL, 0); |
| canvas->save(); |
| canvas->translate(10, 10); |
| canvas->drawRect(rect, paint); |
| canvas->save(); |
| canvas->translate(10, 10); |
| canvas->drawRect(rect, paint); |
| SkAutoTUnref<SkPicture> extraSavePicture(recorder.endRecording()); |
| |
| 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, NULL, 0); |
| 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(); |
| SkAutoTUnref<SkPicture> extraRestorePicture(recorder.endRecording()); |
| |
| testCanvas.drawPicture(*extraRestorePicture); |
| REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); |
| } |
| |
| set_canvas_to_save_count_4(&testCanvas); |
| |
| { |
| SkCanvas* canvas = recorder.beginRecording(100, 100, NULL, 0); |
| canvas->translate(10, 10); |
| canvas->drawRect(rect, paint); |
| SkAutoTUnref<SkPicture> noSavePicture(recorder.endRecording()); |
| |
| testCanvas.drawPicture(*noSavePicture); |
| REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); |
| REPORTER_ASSERT(reporter, testCanvas.getTotalMatrix().isIdentity()); |
| } |
| |
| #if defined(SK_SUPPORT_LEGACY_PICTURE_CAN_RECORD) && \ |
| defined(SK_SUPPORT_LEGACY_DERIVED_PICTURE_CLASSES) |
| set_canvas_to_save_count_4(&testCanvas); |
| |
| // Due to "fake" endRecording, the old SkPicture recording interface |
| // allowed unbalanced saves/restores to leak out. This sub-test checks |
| // that the situation has been remedied. |
| { |
| SkPicture p; |
| |
| SkCanvas* canvas = p.beginRecording(100, 100); |
| for (int i = 0; i < 4; ++i) { |
| canvas->save(); |
| } |
| SkRect r = SkRect::MakeWH(50, 50); |
| SkPaint paint; |
| canvas->drawRect(r, paint); |
| |
| // Check that copying a mid-recording picture does not result in unbalanced saves/restores |
| SkPicture p2(p); |
| |
| testCanvas.drawPicture(p2); |
| REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); |
| set_canvas_to_save_count_4(&testCanvas); |
| |
| // Check that cloning a mid-recording picture does not result in unbalanced saves/restores |
| SkAutoTUnref<SkPicture> p3(p.clone()); |
| testCanvas.drawPicture(*p3); |
| REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); |
| set_canvas_to_save_count_4(&testCanvas); |
| |
| // Check that serializing a mid-recording picture doesn't result in unbalanced |
| // saves/restores |
| SkDynamicMemoryWStream wStream; |
| p.serialize(&wStream); |
| SkAutoDataUnref data(wStream.copyToData()); |
| SkMemoryStream stream(data); |
| SkAutoTUnref<SkPicture> p4(SkPicture::CreateFromStream(&stream, NULL)); |
| testCanvas.drawPicture(*p4); |
| REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); |
| } |
| #endif |
| } |
| |
| static void test_peephole() { |
| SkRandom rand; |
| |
| SkPictureRecorder recorder; |
| |
| for (int j = 0; j < 100; j++) { |
| SkRandom rand2(rand); // remember the seed |
| |
| SkCanvas* canvas = recorder.beginRecording(100, 100, NULL, 0); |
| |
| for (int i = 0; i < 1000; ++i) { |
| rand_op(canvas, rand); |
| } |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| |
| rand = rand2; |
| } |
| |
| { |
| SkCanvas* canvas = recorder.beginRecording(100, 100, NULL, 0); |
| SkRect rect = SkRect::MakeWH(50, 50); |
| |
| for (int i = 0; i < 100; ++i) { |
| canvas->save(); |
| } |
| while (canvas->getSaveCount() > 1) { |
| canvas->clipRect(rect); |
| canvas->restore(); |
| } |
| SkAutoTUnref<SkPicture> picture(recorder.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(SkImageInfo::MakeN32Premul(100, 100)); |
| SkPictureRecorder recorder; |
| SkCanvas* recordingCanvas = recorder.beginRecording(100, 100, NULL, 0); |
| recordingCanvas->drawBitmap(bm, 0, 0); |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| |
| SkCanvas canvas; |
| canvas.drawPicture(*picture); |
| } |
| #endif |
| |
| static SkData* encode_bitmap_to_data(size_t*, const SkBitmap& bm) { |
| return SkImageEncoder::EncodeData(bm, SkImageEncoder::kPNG_Type, 100); |
| } |
| |
| static SkData* serialized_picture_from_bitmap(const SkBitmap& bitmap) { |
| SkPictureRecorder recorder; |
| SkCanvas* canvas = recorder.beginRecording(bitmap.width(), bitmap.height(), NULL, 0); |
| canvas->drawBitmap(bitmap, 0, 0); |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| |
| 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()); |
| |
| SkBitmap bm; |
| bool installSuccess = SkInstallDiscardablePixelRef( |
| SkDecodingImageGenerator::Create(data, SkDecodingImageGenerator::Options()), &bm); |
| REPORTER_ASSERT(reporter, installSuccess); |
| |
| // 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. |
| { |
| SkPictureRecorder recorder; |
| recorder.beginRecording(1, 1, NULL, 0); |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| SkAutoTUnref<SkPicture> destPicture(picture->clone()); |
| REPORTER_ASSERT(reporter, NULL != destPicture); |
| } |
| } |
| |
| static void test_draw_empty(skiatest::Reporter* reporter) { |
| SkBitmap result; |
| make_bm(&result, 2, 2, SK_ColorBLACK, false); |
| |
| SkCanvas canvas(result); |
| |
| { |
| // stock SkPicture |
| SkPictureRecorder recorder; |
| recorder.beginRecording(1, 1, NULL, 0); |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| |
| canvas.drawPicture(*picture); |
| } |
| |
| { |
| // tile grid |
| SkTileGridFactory::TileGridInfo gridInfo; |
| gridInfo.fMargin.setEmpty(); |
| gridInfo.fOffset.setZero(); |
| gridInfo.fTileInterval.set(1, 1); |
| |
| SkTileGridFactory factory(gridInfo); |
| SkPictureRecorder recorder; |
| recorder.beginRecording(1, 1, &factory, 0); |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| |
| canvas.drawPicture(*picture); |
| } |
| |
| { |
| // RTree |
| SkRTreeFactory factory; |
| SkPictureRecorder recorder; |
| recorder.beginRecording(1, 1, &factory, 0); |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| |
| canvas.drawPicture(*picture); |
| } |
| |
| { |
| // quad tree |
| SkQuadTreeFactory factory; |
| SkPictureRecorder recorder; |
| recorder.beginRecording(1, 1, &factory, 0); |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| |
| canvas.drawPicture(*picture); |
| } |
| } |
| |
| 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; |
| SkPictureRecorder recorder; |
| // Minimalist test set for 100% code coverage of |
| // SkPictureRecord::updateClipConservativelyUsingBounds |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10, NULL, |
| 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); |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10, NULL, |
| 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); |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10, NULL, |
| 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); |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10, NULL, |
| 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); |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10, NULL, |
| 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); |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10, NULL, |
| 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: |
| ClipCountingCanvas(int width, int height) |
| : INHERITED(width, height) |
| , fClipCount(0){ |
| } |
| |
| virtual void onClipRect(const SkRect& r, |
| SkRegion::Op op, |
| ClipEdgeStyle edgeStyle) SK_OVERRIDE { |
| fClipCount += 1; |
| this->INHERITED::onClipRect(r, op, edgeStyle); |
| } |
| |
| virtual void onClipRRect(const SkRRect& rrect, |
| SkRegion::Op op, |
| ClipEdgeStyle edgeStyle)SK_OVERRIDE { |
| fClipCount += 1; |
| this->INHERITED::onClipRRect(rrect, op, edgeStyle); |
| } |
| |
| virtual void onClipPath(const SkPath& path, |
| SkRegion::Op op, |
| ClipEdgeStyle edgeStyle) SK_OVERRIDE { |
| fClipCount += 1; |
| this->INHERITED::onClipPath(path, op, edgeStyle); |
| } |
| |
| virtual void onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) SK_OVERRIDE { |
| fClipCount += 1; |
| this->INHERITED::onClipRegion(deviceRgn, op); |
| } |
| |
| unsigned getClipCount() const { return fClipCount; } |
| |
| private: |
| unsigned fClipCount; |
| |
| typedef SkCanvas INHERITED; |
| }; |
| |
| static void test_clip_expansion(skiatest::Reporter* reporter) { |
| SkPictureRecorder recorder; |
| SkCanvas* canvas = recorder.beginRecording(10, 10, NULL, 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); |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| |
| ClipCountingCanvas testCanvas(10, 10); |
| 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); |
| |
| SkPictureRecorder recorder; |
| |
| recorder.beginRecording(10, 10, NULL, 0); |
| SkAutoTUnref<SkPicture> childPlain(recorder.endRecording()); |
| REPORTER_ASSERT(reporter, !childPlain->willPlayBackBitmaps()); // 0 |
| |
| recorder.beginRecording(10, 10, NULL, 0)->drawBitmap(bm, 0, 0); |
| SkAutoTUnref<SkPicture> childWithBitmap(recorder.endRecording()); |
| REPORTER_ASSERT(reporter, childWithBitmap->willPlayBackBitmaps()); // 1 |
| |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10, NULL, 0); |
| canvas->drawPicture(*childPlain); |
| SkAutoTUnref<SkPicture> parentPP(recorder.endRecording()); |
| REPORTER_ASSERT(reporter, !parentPP->willPlayBackBitmaps()); // 0 |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10, NULL, 0); |
| canvas->drawPicture(*childWithBitmap); |
| SkAutoTUnref<SkPicture> parentPWB(recorder.endRecording()); |
| REPORTER_ASSERT(reporter, parentPWB->willPlayBackBitmaps()); // 1 |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10, NULL, 0); |
| canvas->drawBitmap(bm, 0, 0); |
| canvas->drawPicture(*childPlain); |
| SkAutoTUnref<SkPicture> parentWBP(recorder.endRecording()); |
| REPORTER_ASSERT(reporter, parentWBP->willPlayBackBitmaps()); // 1 |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10, NULL, 0); |
| canvas->drawBitmap(bm, 0, 0); |
| canvas->drawPicture(*childWithBitmap); |
| SkAutoTUnref<SkPicture> parentWBWB(recorder.endRecording()); |
| REPORTER_ASSERT(reporter, parentWBWB->willPlayBackBitmaps()); // 2 |
| } |
| } |
| |
| static void test_gen_id(skiatest::Reporter* reporter) { |
| |
| SkPicture empty; |
| |
| // Empty pictures should still have a valid ID |
| REPORTER_ASSERT(reporter, empty.uniqueID() != SK_InvalidGenID); |
| |
| SkPictureRecorder recorder; |
| |
| SkCanvas* canvas = recorder.beginRecording(1, 1, NULL, 0); |
| canvas->drawARGB(255, 255, 255, 255); |
| SkAutoTUnref<SkPicture> hasData(recorder.endRecording()); |
| // 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 out copy constructor |
| SkPicture copyWithData(*hasData); |
| REPORTER_ASSERT(reporter, hasData->uniqueID() == copyWithData.uniqueID()); |
| |
| SkPicture emptyCopy(empty); |
| REPORTER_ASSERT(reporter, empty.uniqueID() != emptyCopy.uniqueID()); |
| |
| // test out swap |
| { |
| SkPicture swapWithData; |
| uint32_t beforeID1 = swapWithData.uniqueID(); |
| uint32_t beforeID2 = copyWithData.uniqueID(); |
| swapWithData.swap(copyWithData); |
| REPORTER_ASSERT(reporter, copyWithData.uniqueID() == beforeID1); |
| REPORTER_ASSERT(reporter, swapWithData.uniqueID() == beforeID2); |
| } |
| |
| // test out clone |
| { |
| SkAutoTUnref<SkPicture> cloneWithData(hasData->clone()); |
| REPORTER_ASSERT(reporter, hasData->uniqueID() == cloneWithData->uniqueID()); |
| |
| SkAutoTUnref<SkPicture> emptyClone(empty.clone()); |
| REPORTER_ASSERT(reporter, empty.uniqueID() != emptyClone->uniqueID()); |
| } |
| } |
| |
| DEF_TEST(Picture, reporter) { |
| #ifdef SK_DEBUG |
| test_deleting_empty_playback(); |
| test_serializing_empty_picture(); |
| #else |
| test_bad_bitmap(); |
| #endif |
| test_unbalanced_save_restores(reporter); |
| test_peephole(); |
| #if SK_SUPPORT_GPU |
| test_gpu_veto(reporter); |
| #endif |
| test_gatherpixelrefs(reporter); |
| test_gatherpixelrefsandrects(reporter); |
| test_bitmap_with_encoded_data(reporter); |
| test_clone_empty(reporter); |
| test_draw_empty(reporter); |
| test_clip_bound_opt(reporter); |
| test_clip_expansion(reporter); |
| test_hierarchical(reporter); |
| test_gen_id(reporter); |
| } |
| |
| #if SK_SUPPORT_GPU |
| DEF_GPUTEST(GPUPicture, reporter, factory) { |
| test_gpu_picture_optimization(reporter, factory); |
| } |
| #endif |
| |
| static void draw_bitmaps(const SkBitmap bitmap, SkCanvas* canvas) { |
| const SkPaint paint; |
| const SkRect rect = { 5.0f, 5.0f, 8.0f, 8.0f }; |
| const SkIRect irect = { 2, 2, 3, 3 }; |
| |
| // Don't care what these record, as long as they're legal. |
| canvas->drawBitmap(bitmap, 0.0f, 0.0f, &paint); |
| canvas->drawBitmapRectToRect(bitmap, &rect, rect, &paint, SkCanvas::kNone_DrawBitmapRectFlag); |
| canvas->drawBitmapMatrix(bitmap, SkMatrix::I(), &paint); |
| canvas->drawBitmapNine(bitmap, irect, rect, &paint); |
| canvas->drawSprite(bitmap, 1, 1); |
| } |
| |
| static void test_draw_bitmaps(SkCanvas* canvas) { |
| SkBitmap empty; |
| draw_bitmaps(empty, canvas); |
| empty.setConfig(SkImageInfo::MakeN32Premul(10, 10)); |
| draw_bitmaps(empty, canvas); |
| } |
| |
| DEF_TEST(Picture_EmptyBitmap, r) { |
| SkPictureRecorder recorder; |
| test_draw_bitmaps(recorder.beginRecording(10, 10, NULL, 0)); |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| } |
| |
| DEF_TEST(Canvas_EmptyBitmap, r) { |
| SkBitmap dst; |
| dst.allocN32Pixels(10, 10); |
| SkCanvas canvas(dst); |
| |
| test_draw_bitmaps(&canvas); |
| } |