コード例 #1
0
ファイル: PictureTest.cpp プロジェクト: WangCrystal/skia
DEF_TEST(Picture_BitmapLeak, r) {
    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());

    SkAutoTUnref<const 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->drawBitmap(mut, 0, 0);
            canvas->drawBitmap(immut, 800, 600);
        pic.reset(rec.endRecording());
    }

    // 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.reset(NULL);
    REPORTER_ASSERT(r, mut.pixelRef()->unique());
    REPORTER_ASSERT(r, immut.pixelRef()->unique());
}
コード例 #2
0
ファイル: SkGPipeRead.cpp プロジェクト: webbjiang/skia
static void drawVertices_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32,
                            SkGPipeState* state) {
    unsigned flags = DrawOp_unpackFlags(op32);

    SkCanvas::VertexMode vmode = (SkCanvas::VertexMode)reader->readU32();
    int vertexCount = reader->readU32();
    const SkPoint* verts = skip<SkPoint>(reader, vertexCount);

    const SkPoint* texs = NULL;
    if (flags & kDrawVertices_HasTexs_DrawOpFlag) {
        texs = skip<SkPoint>(reader, vertexCount);
    }

    const SkColor* colors = NULL;
    if (flags & kDrawVertices_HasColors_DrawOpFlag) {
        colors = skip<SkColor>(reader, vertexCount);
    }

    SkAutoTUnref<SkXfermode> xfer;
    if (flags & kDrawVertices_HasXfermode_DrawOpFlag) {
        SkXfermode::Mode mode = (SkXfermode::Mode)reader->readU32();
        xfer.reset(SkXfermode::Create(mode));
    }

    int indexCount = 0;
    const uint16_t* indices = NULL;
    if (flags & kDrawVertices_HasIndices_DrawOpFlag) {
        indexCount = reader->readU32();
        indices = skipAlign<uint16_t>(reader, indexCount);
    }
    if (state->shouldDraw()) {
        canvas->drawVertices(vmode, vertexCount, verts, texs, colors, xfer,
                             indices, indexCount, state->paint());
    }
}
コード例 #3
0
ファイル: SkPictureRecorder.cpp プロジェクト: Arternis/skia
    SkPicture* onNewPictureSnapshot() override {
        SkBigPicture::SnapshotArray* pictList = NULL;
        if (fDrawableList) {
            // TODO: should we plumb-down the BBHFactory and recordFlags from our host
            //       PictureRecorder?
            pictList = fDrawableList->newDrawableSnapshot();
        }

        SkAutoTUnref<SkLayerInfo> saveLayerData;

        if (fBBH && fDoSaveLayerInfo) {
            saveLayerData.reset(SkNEW(SkLayerInfo));

            SkBBoxHierarchy* bbh = NULL;    // we've already computed fBBH (received in constructor)
            // TODO: update saveLayer info computation to reuse the already computed
            // bounds in 'fBBH'
            SkRecordComputeLayers(fBounds, *fRecord, pictList, bbh, saveLayerData);
        }

        size_t subPictureBytes = 0;
        for (int i = 0; pictList && i < pictList->count(); i++) {
            subPictureBytes += SkPictureUtils::ApproximateBytesUsed(pictList->begin()[i]);
        }
        // SkBigPicture will take ownership of a ref on both fRecord and fBBH.
        // We're not willing to give up our ownership, so we must ref them for SkPicture.
        return SkNEW_ARGS(SkBigPicture, (fBounds,
                                         SkRef(fRecord.get()),
                                         pictList,
                                         SkSafeRef(fBBH.get()),
                                         saveLayerData.detach(),
                                         subPictureBytes));
    }
コード例 #4
0
ファイル: GrGpuFactory.cpp プロジェクト: venkatarajasekhar/Qt
GrGpu* GrGpu::Create(GrBackend backend, GrBackendContext backendContext, GrContext* context) {

    const GrGLInterface* glInterface = NULL;
    SkAutoTUnref<const GrGLInterface> glInterfaceUnref;

    if (kOpenGL_GrBackend == backend) {
        glInterface = reinterpret_cast<const GrGLInterface*>(backendContext);
        if (NULL == glInterface) {
            glInterface = GrGLDefaultInterface();
            // By calling GrGLDefaultInterface we've taken a ref on the
            // returned object. We only want to hold that ref until after
            // the GrGpu is constructed and has taken ownership.
            glInterfaceUnref.reset(glInterface);
        }
        if (NULL == glInterface) {
#ifdef SK_DEBUG
            GrPrintf("No GL interface provided!\n");
#endif
            return NULL;
        }
        GrGLContext ctx(glInterface);
        if (ctx.isInitialized()) {
            return SkNEW_ARGS(GrGpuGL, (ctx, context));
        }
    }
    return NULL;
}
コード例 #5
0
sk_sp<SkImage> SkImage::MakeFromBitmap(const SkBitmap& bm) {
    SkPixelRef* pr = bm.pixelRef();
    if (nullptr == pr) {
        return nullptr;
    }

#if SK_SUPPORT_GPU
    if (GrTexture* tex = pr->getTexture()) {
        SkAutoTUnref<GrTexture> unrefCopy;
        if (!bm.isImmutable()) {
            tex = GrDeepCopyTexture(tex, SkBudgeted::kNo);
            if (nullptr == tex) {
                return nullptr;
            }
            unrefCopy.reset(tex);
        }
        const SkImageInfo info = bm.info();
        return sk_make_sp<SkImage_Gpu>(info.width(), info.height(), bm.getGenerationID(),
                                       info.alphaType(), tex, sk_ref_sp(info.colorSpace()),
                                       SkBudgeted::kNo);
    }
#endif

    // This will check for immutable (share or copy)
    return SkMakeImageFromRasterBitmap(bm);
}
コード例 #6
0
ファイル: SkImageGenerator.cpp プロジェクト: wzugang/skia
bool SkImageGenerator::tryGenerateBitmap(SkBitmap* bitmap, const SkImageInfo* infoPtr) {
    const SkImageInfo info = infoPtr ? *infoPtr : this->getInfo();
    const size_t rowBytes = info.minRowBytes();
    const size_t pixelSize = info.getSafeSize(rowBytes);
    if (0 == pixelSize) {
        return false;
    }

    SkAutoFree pixelStorage(sk_malloc_flags(pixelSize, 0));
    void* pixels = pixelStorage.get();
    if (!pixels) {
        return false;
    }
    
    SkPMColor ctStorage[256];
    int ctCount = 0;
    
    if (!this->getPixels(info, pixels, rowBytes, ctStorage, &ctCount)) {
        return false;
    }
    
    SkAutoTUnref<SkColorTable> ctable;
    if (ctCount > 0) {
        SkASSERT(kIndex_8_SkColorType == info.colorType());
        ctable.reset(new SkColorTable(ctStorage, ctCount));
    } else {
        SkASSERT(kIndex_8_SkColorType != info.colorType());
    }
    
    return bitmap->installPixels(info, pixelStorage.detach(), rowBytes, ctable,
                                 release_malloc_proc, nullptr);
}
コード例 #7
0
    void drawHere(SkCanvas* canvas, SkFilterQuality filter, SkScalar dx, SkScalar dy) {
        SkCanvas* origCanvas = canvas;
        SkAutoCanvasRestore acr(canvas, true);

        SkISize size = SkISize::Make(fImage->width(), fImage->height());

        SkAutoTUnref<SkSurface> surface;
        if (fShowFatBits) {
            // scale up so we don't clip rotations
            SkImageInfo info = SkImageInfo::MakeN32(fImage->width() * 2, fImage->height() * 2,
                                                    kOpaque_SkAlphaType);
            surface.reset(make_surface(canvas, info));
            canvas = surface->getCanvas();
            canvas->drawColor(SK_ColorWHITE);
            size.set(info.width(), info.height());
        } else {
            canvas->translate(SkScalarHalf(fCell.width() - fImage->width()),
                              SkScalarHalf(fCell.height() - fImage->height()));
        }
        this->drawTheImage(canvas, size, filter, dx, dy);

        if (surface) {
            SkAutoTUnref<SkImage> orig(surface->newImageSnapshot());
            SkAutoTUnref<SkImage> zoomed(zoom_up(orig));
            origCanvas->drawImage(zoomed,
                                  SkScalarHalf(fCell.width() - zoomed->width()),
                                  SkScalarHalf(fCell.height() - zoomed->height()));
        }
    }
コード例 #8
0
ファイル: SampleFatBits.cpp プロジェクト: Jichao/skia
void FatBits::drawRect(SkCanvas* canvas, SkPoint pts[2]) {
    SkPaint paint;

    fInverse.mapPoints(pts, 2);

    if (fGrid) {
        apply_grid(pts, 2);
    }

    SkRect r;
    r.set(pts, 2);

    erase(fMinSurface);
    this->setupPaint(&paint);
    paint.setColor(FAT_PIXEL_COLOR);
    {
        SkCanvas* c = fMinSurface->getCanvas();
        fRectAsOval ? c->drawOval(r, paint) : c->drawRect(r, paint);
    }
    this->copyMinToMax();

    SkCanvas* max = fMaxSurface->getCanvas();

    fMatrix.mapPoints(pts, 2);
    r.set(pts, 2);
    this->drawRectSkeleton(max, r);

    fMaxSurface->draw(canvas, 0, 0, NULL);
}
コード例 #9
0
// Make sure the abort callback works
DEF_TEST(RecordReplaceDraw_Abort, r) {
    SkAutoTUnref<const SkPicture> pic;

    {
        // Record two commands.
        SkPictureRecorder recorder;
        SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight));

        canvas->drawRect(SkRect::MakeWH(SkIntToScalar(kWidth), SkIntToScalar(kHeight)), SkPaint());
        canvas->clipRect(SkRect::MakeWH(SkIntToScalar(kWidth), SkIntToScalar(kHeight)));

        pic.reset(recorder.endRecording());
    }

    SkRecord rerecord;
    SkRecorder canvas(&rerecord, kWidth, kHeight);

    JustOneDraw callback;
    GrRecordReplaceDraw(pic, &canvas, nullptr, SkMatrix::I(), &callback);

    switch (rerecord.count()) {
        case 3:
            assert_type<SkRecords::Save>(r, rerecord, 0);
            assert_type<SkRecords::DrawRect>(r, rerecord, 1);
            assert_type<SkRecords::Restore>(r, rerecord, 2);
            break;
        case 1:
            assert_type<SkRecords::DrawRect>(r, rerecord, 0);
            break;
        default:
            REPORTER_ASSERT(r, false);
    }
}
コード例 #10
0
ファイル: fontmgr.cpp プロジェクト: JavierJF/skia
    void onDraw(SkCanvas* canvas) override {
        SkPaint paint;
        paint.setAntiAlias(true);
        paint.setLCDRenderText(true);
        paint.setSubpixelText(true);
        paint.setTextSize(17);

        static const char* gNames[] = {
            "Helvetica Neue", "Arial"
        };

        SkAutoTUnref<SkFontStyleSet> fset;
        for (size_t i = 0; i < SK_ARRAY_COUNT(gNames); ++i) {
            fset.reset(fFM->matchFamily(gNames[i]));
            if (fset->count() > 0) {
                break;
            }
        }
        if (nullptr == fset.get()) {
            return;
        }

        canvas->translate(20, 40);
        this->exploreFamily(canvas, paint, fset);
        canvas->translate(150, 0);
        this->iterateFamily(canvas, paint, fset);
    }
コード例 #11
0
ファイル: SkV8Example.cpp プロジェクト: Adenilson/skia
SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv) {
    printf("Started\n");

    SkCommandLineFlags::Parse(argc, argv);

    // Get the default Isolate created at startup.
    Isolate* isolate = Isolate::GetCurrent();
    Global* global = new Global(isolate);


    // Set up things to look like a browser by creating
    // a console object that invokes our print function.
    const char* startupScript =
            "function Console() {};                   \n"
            "Console.prototype.log = function() {     \n"
            "  var args = Array.prototype.slice.call(arguments).join(' '); \n"
            "  print(args);                      \n"
            "};                                       \n"
            "console = new Console();                 \n";

    if (!global->parseScript(startupScript)) {
        printf("Failed to parse startup script: %s.\n", FLAGS_infile[0]);
        exit(1);
    }

    const char* script =
            "function onDraw(canvas) {              \n"
            "    canvas.fillStyle = '#00FF00';      \n"
            "    canvas.fillRect(20, 20, 100, 100); \n"
            "    canvas.inval();                    \n"
            "}                                      \n";

    SkAutoTUnref<SkData> data;
    if (FLAGS_infile.count()) {
        data.reset(SkData::NewFromFileName(FLAGS_infile[0]));
        script = static_cast<const char*>(data->data());
    }
    if (NULL == script) {
        printf("Could not load file: %s.\n", FLAGS_infile[0]);
        exit(1);
    }
    Path2D::AddToGlobal(global);

    if (!global->parseScript(script)) {
        printf("Failed to parse file: %s.\n", FLAGS_infile[0]);
        exit(1);
    }


    JsContext* jsContext = new JsContext(global);

    if (!jsContext->initialize()) {
        printf("Failed to initialize.\n");
        exit(1);
    }
    SkV8ExampleWindow* win = new SkV8ExampleWindow(hwnd, jsContext);
    global->setWindow(win);

    return win;
}
コード例 #12
0
ファイル: SkSurface_Gpu.cpp プロジェクト: ericrk/skia
sk_sp<SkImage> SkSurface_Gpu::onNewImageSnapshot(SkBudgeted budgeted, ForceCopyMode forceCopyMode) {
    GrRenderTarget* rt = fDevice->accessDrawContext()->accessRenderTarget();
    SkASSERT(rt);
    GrTexture* tex = rt->asTexture();
    SkAutoTUnref<GrTexture> copy;
    // If the original render target is a buffer originally created by the client, then we don't
    // want to ever retarget the SkSurface at another buffer we create. Force a copy now to avoid
    // copy-on-write.
    if (kYes_ForceCopyMode == forceCopyMode || !tex || rt->resourcePriv().refsWrappedObjects()) {
        GrSurfaceDesc desc = fDevice->accessDrawContext()->desc();
        GrContext* ctx = fDevice->context();
        desc.fFlags = desc.fFlags & ~kRenderTarget_GrSurfaceFlag;
        copy.reset(ctx->textureProvider()->createTexture(desc, budgeted));
        if (!copy) {
            return nullptr;
        }
        if (!ctx->copySurface(copy, rt)) {
            return nullptr;
        }
        tex = copy;
    }
    const SkImageInfo info = fDevice->imageInfo();
    sk_sp<SkImage> image;
    if (tex) {
        image = sk_make_sp<SkImage_Gpu>(info.width(), info.height(), kNeedNewImageUniqueID,
                                        info.alphaType(), tex, sk_ref_sp(info.colorSpace()),
                                        budgeted);
    }
    return image;
}
コード例 #13
0
SkImage* SkSurface_Gpu::onNewImageSnapshot(SkBudgeted budgeted, ForceCopyMode forceCopyMode) {
    GrRenderTarget* rt = fDevice->accessRenderTarget();
    SkASSERT(rt);
    GrTexture* tex = rt->asTexture();
    SkAutoTUnref<GrTexture> copy;
    // TODO: Force a copy when the rt is an external resource.
    if (kYes_ForceCopyMode == forceCopyMode || !tex) {
        GrSurfaceDesc desc = fDevice->accessRenderTarget()->desc();
        GrContext* ctx = fDevice->context();
        desc.fFlags = desc.fFlags & ~kRenderTarget_GrSurfaceFlag;
        copy.reset(ctx->textureProvider()->createTexture(desc, budgeted));
        if (!copy) {
            return nullptr;
        }
        if (!ctx->copySurface(copy, rt)) {
            return nullptr;
        }
        tex = copy;
    }
    const SkImageInfo info = fDevice->imageInfo();
    SkImage* image = nullptr;
    if (tex) {
        image = new SkImage_Gpu(info.width(), info.height(), kNeedNewImageUniqueID,
                                info.alphaType(), tex, budgeted);
    }
    return image;
}
コード例 #14
0
ファイル: SkPictureImageFilter.cpp プロジェクト: mto/skia
SkFlattenable* SkPictureImageFilter::CreateProc(SkReadBuffer& buffer) {
    SkAutoTUnref<SkPicture> picture;
    SkRect cropRect;

    if (buffer.isCrossProcess() && SkPicture::PictureIOSecurityPrecautionsEnabled()) {
        buffer.validate(!buffer.readBool());
    } else {
        if (buffer.readBool()) {
            picture.reset(SkPicture::CreateFromBuffer(buffer));
        }
    }
    buffer.readRect(&cropRect);
    PictureResolution pictureResolution;
    if (buffer.isVersionLT(SkReadBuffer::kPictureImageFilterResolution_Version)) {
        pictureResolution = kDeviceSpace_PictureResolution;
    } else {
        pictureResolution = (PictureResolution)buffer.readInt();
    }  

    if (kLocalSpace_PictureResolution == pictureResolution) {
        //filterLevel is only serialized if pictureResolution is LocalSpace
        SkFilterQuality filterQuality;
        if (buffer.isVersionLT(SkReadBuffer::kPictureImageFilterLevel_Version)) {
            filterQuality = kLow_SkFilterQuality;
        } else {
            filterQuality = (SkFilterQuality)buffer.readInt();
        }
        return CreateForLocalSpace(picture, cropRect, filterQuality);
    }
    return Create(picture, cropRect);
}
コード例 #15
0
ファイル: SampleFatBits.cpp プロジェクト: Jichao/skia
void FatBits::drawTriangle(SkCanvas* canvas, SkPoint pts[3]) {
    SkPaint paint;

    fInverse.mapPoints(pts, 3);

    if (fGrid) {
        apply_grid(pts, 3);
    }

    SkPath path;
    path.moveTo(pts[0]);
    path.lineTo(pts[1]);
    path.lineTo(pts[2]);
    path.close();

    erase(fMinSurface);
    this->setupPaint(&paint);
    paint.setColor(FAT_PIXEL_COLOR);
    fMinSurface->getCanvas()->drawPath(path, paint);
    this->copyMinToMax();

    SkCanvas* max = fMaxSurface->getCanvas();

    fMatrix.mapPoints(pts, 3);
    this->drawTriangleSkeleton(max, pts);

    fMaxSurface->draw(canvas, 0, 0, NULL);
}
コード例 #16
0
ファイル: SkImage.cpp プロジェクト: tiftof/skia
SkImage* SkImage::NewFromBitmap(const SkBitmap& bm) {
    SkPixelRef* pr = bm.pixelRef();
    if (nullptr == pr) {
        return nullptr;
    }

#if SK_SUPPORT_GPU
    if (GrTexture* tex = pr->getTexture()) {
        SkAutoTUnref<GrTexture> unrefCopy;
        if (!bm.isImmutable()) {
            const bool notBudgeted = false;
            tex = GrDeepCopyTexture(tex, notBudgeted);
            if (nullptr == tex) {
                return nullptr;
            }
            unrefCopy.reset(tex);
        }
        const SkImageInfo info = bm.info();
        return new SkImage_Gpu(info.width(), info.height(), bm.getGenerationID(), info.alphaType(),
                               tex, 0, SkSurface::kNo_Budgeted);
    }
#endif

    // This will check for immutable (share or copy)
    return SkNewImageFromRasterBitmap(bm, nullptr);
}
コード例 #17
0
    virtual Result onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes,
                               const Options&,
                               SkPMColor ctableEntries[], int* ctableCount) override {
        SkMemoryStream stream(fData->data(), fData->size(), false);
        SkAutoTUnref<BareMemoryAllocator> allocator(SkNEW_ARGS(BareMemoryAllocator,
                                                               (info, pixels, rowBytes)));
        fDecoder->setAllocator(allocator);
        fDecoder->setRequireUnpremultipliedColors(kUnpremul_SkAlphaType == info.alphaType());

        SkBitmap bm;
        const SkImageDecoder::Result result = fDecoder->decode(&stream, &bm, info.colorType(),
                                                               SkImageDecoder::kDecodePixels_Mode);
        if (SkImageDecoder::kFailure == result) {
            return kInvalidInput;
        }

        SkASSERT(info.colorType() == bm.info().colorType());

        if (kIndex_8_SkColorType == info.colorType()) {
            SkASSERT(ctableEntries);

            SkColorTable* ctable = bm.getColorTable();
            if (NULL == ctable) {
                return kInvalidConversion;
            }
            const int count = ctable->count();
            memcpy(ctableEntries, ctable->readColors(), count * sizeof(SkPMColor));
            *ctableCount = count;
        }
        if (SkImageDecoder::kPartialSuccess == result) {
            return kIncompleteInput;
        }
        return kSuccess;
    }
コード例 #18
0
ファイル: SkImageTest.cpp プロジェクト: Igalia/skia
// Tests that SkNewImageFromBitmap obeys pixelref origin.
DEF_TEST(SkImageFromBitmap_extractSubset, reporter) {
    SkAutoTUnref<SkImage> image;
    {
        SkBitmap srcBitmap;
        srcBitmap.allocN32Pixels(gWidth, gHeight);
        srcBitmap.eraseColor(SK_ColorRED);
        SkBitmapDevice dev(srcBitmap);
        SkCanvas canvas(&dev);
        SkIRect r = SkIRect::MakeXYWH(5, 5, gWidth - 5, gWidth - 5);
        SkPaint p;
        p.setColor(SK_ColorGREEN);
        canvas.drawIRect(r, p);
        SkBitmap dstBitmap;
        srcBitmap.extractSubset(&dstBitmap, r);
        image.reset(SkNewImageFromBitmap(dstBitmap, true, NULL));
    }

    SkBitmap tgt;
    tgt.allocN32Pixels(gWidth, gHeight);
    SkBitmapDevice dev(tgt);
    SkCanvas canvas(&dev);
    canvas.clear(SK_ColorTRANSPARENT);
    canvas.drawImage(image, 0, 0, NULL);

    uint32_t pixel = 0;
    SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1);
    canvas.readPixels(info, &pixel, 4, 0, 0);
    REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
    canvas.readPixels(info, &pixel, 4, gWidth - 6, gWidth - 6);
    REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);

    canvas.readPixels(info, &pixel, 4, gWidth - 5, gWidth - 5);
    REPORTER_ASSERT(reporter, pixel == SK_ColorTRANSPARENT);
}
コード例 #19
0
static jobject movie_decodeAsset(JNIEnv* env, jobject clazz, jlong native_asset) {
    android::Asset* asset = reinterpret_cast<android::Asset*>(native_asset);
    if (asset == NULL) return NULL;
    SkAutoTUnref<SkStreamRewindable> stream (new android::AssetStreamAdaptor(asset));
    SkMovie* moov = SkMovie::DecodeStream(stream.get());
    return create_jmovie(env, moov);
}
コード例 #20
0
ファイル: SkGPipeRead.cpp プロジェクト: webbjiang/skia
static void drawPatch_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32,
                         SkGPipeState* state) {
    
    unsigned flags = DrawOp_unpackFlags(op32);
    
    const SkPoint* cubics = skip<SkPoint>(reader, SkPatchUtils::kNumCtrlPts);
    
    const SkColor* colors = NULL;
    if (flags & kDrawVertices_HasColors_DrawOpFlag) {
        colors = skip<SkColor>(reader, SkPatchUtils::kNumCorners);
    }
    const SkPoint* texCoords = NULL;
    if (flags & kDrawVertices_HasTexs_DrawOpFlag) {
        texCoords = skip<SkPoint>(reader, SkPatchUtils::kNumCorners);
    }
    SkAutoTUnref<SkXfermode> xfer;
    if (flags & kDrawVertices_HasXfermode_DrawOpFlag) {
        int mode = reader->readInt();
        if (mode < 0 || mode > SkXfermode::kLastMode) {
            mode = SkXfermode::kModulate_Mode;
        }
        xfer.reset(SkXfermode::Create((SkXfermode::Mode)mode));
    }
    if (state->shouldDraw()) {
        canvas->drawPatch(cubics, colors, texCoords, xfer, state->paint());
    }
}
コード例 #21
0
    void onPrepareDraws(Target* target) const override {
        // construct a cache key from the path's genID and the view matrix
        static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
        GrUniqueKey key;
        int clipBoundsSize32 =
            fPath.isInverseFillType() ? sizeof(fClipBounds) / sizeof(uint32_t) : 0;
        int strokeDataSize32 = fStroke.computeUniqueKeyFragmentData32Cnt();
        GrUniqueKey::Builder builder(&key, kDomain, 2 + clipBoundsSize32 + strokeDataSize32);
        builder[0] = fPath.getGenerationID();
        builder[1] = fPath.getFillType();
        // For inverse fills, the tessellation is dependent on clip bounds.
        if (fPath.isInverseFillType()) {
            memcpy(&builder[2], &fClipBounds, sizeof(fClipBounds));
        }
        fStroke.asUniqueKeyFragment(&builder[2 + clipBoundsSize32]);
        builder.finish();
        GrResourceProvider* rp = target->resourceProvider();
        SkAutoTUnref<GrVertexBuffer> vertexBuffer(rp->findAndRefTByUniqueKey<GrVertexBuffer>(key));
        int actualCount;
        SkScalar screenSpaceTol = GrPathUtils::kDefaultTolerance;
        SkScalar tol = GrPathUtils::scaleToleranceToSrc(
            screenSpaceTol, fViewMatrix, fPath.getBounds());
        if (!cache_match(vertexBuffer.get(), tol, &actualCount)) {
            bool canMapVB = GrCaps::kNone_MapFlags != target->caps().mapBufferFlags();
            actualCount = this->tessellate(&key, rp, vertexBuffer, canMapVB);
        }

        if (actualCount == 0) {
            return;
        }

        SkAutoTUnref<const GrGeometryProcessor> gp;
        {
            using namespace GrDefaultGeoProcFactory;

            Color color(fColor);
            LocalCoords localCoords(fPipelineInfo.readsLocalCoords() ?
                                    LocalCoords::kUsePosition_Type :
                                    LocalCoords::kUnused_Type);
            Coverage::Type coverageType;
            if (fPipelineInfo.readsCoverage()) {
                coverageType = Coverage::kSolid_Type;
            } else {
                coverageType = Coverage::kNone_Type;
            }
            Coverage coverage(coverageType);
            gp.reset(GrDefaultGeoProcFactory::Create(color, coverage, localCoords,
                                                     fViewMatrix));
        }

        target->initDraw(gp, this->pipeline());
        SkASSERT(gp->getVertexStride() == sizeof(SkPoint));

        GrPrimitiveType primitiveType = TESSELLATOR_WIREFRAME ? kLines_GrPrimitiveType
                                                              : kTriangles_GrPrimitiveType;
        GrVertices vertices;
        vertices.init(primitiveType, vertexBuffer.get(), 0, actualCount);
        target->draw(vertices);
    }
コード例 #22
0
ファイル: SkFontMgr_indirect.cpp プロジェクト: 03050903/skia
SkTypeface* SkFontMgr_Indirect::createTypefaceFromFontId(const SkFontIdentity& id) const {
    if (id.fDataId == SkFontIdentity::kInvalidDataId) {
        return nullptr;
    }

    SkAutoMutexAcquire ama(fDataCacheMutex);

    SkAutoTUnref<SkTypeface> dataTypeface;
    int dataTypefaceIndex = 0;
    for (int i = 0; i < fDataCache.count(); ++i) {
        const DataEntry& entry = fDataCache[i];
        if (entry.fDataId == id.fDataId) {
            if (entry.fTtcIndex == id.fTtcIndex &&
                !entry.fTypeface->weak_expired() && entry.fTypeface->try_ref())
            {
                return entry.fTypeface;
            }
            if (dataTypeface.get() == nullptr &&
                !entry.fTypeface->weak_expired() && entry.fTypeface->try_ref())
            {
                dataTypeface.reset(entry.fTypeface);
                dataTypefaceIndex = entry.fTtcIndex;
            }
        }

        if (entry.fTypeface->weak_expired()) {
            fDataCache.removeShuffle(i);
            --i;
        }
    }

    // No exact match, but did find a data match.
    if (dataTypeface.get() != nullptr) {
        SkAutoTDelete<SkStreamAsset> stream(dataTypeface->openStream(nullptr));
        if (stream.get() != nullptr) {
            return fImpl->createFromStream(stream.release(), dataTypefaceIndex);
        }
    }

    // No data match, request data and add entry.
    SkAutoTDelete<SkStreamAsset> stream(fProxy->getData(id.fDataId));
    if (stream.get() == nullptr) {
        return nullptr;
    }

    SkAutoTUnref<SkTypeface> typeface(fImpl->createFromStream(stream.release(), id.fTtcIndex));
    if (typeface.get() == nullptr) {
        return nullptr;
    }

    DataEntry& newEntry = fDataCache.push_back();
    typeface->weak_ref();
    newEntry.fDataId = id.fDataId;
    newEntry.fTtcIndex = id.fTtcIndex;
    newEntry.fTypeface = typeface.get();  // weak reference passed to new entry.

    return typeface.release();
}
コード例 #23
0
ファイル: SkImageShader.cpp プロジェクト: shahrzadmn/skia
const GrFragmentProcessor* SkImageShader::asFragmentProcessor(GrContext* context,
        const SkMatrix& viewM,
        const SkMatrix* localMatrix,
        SkFilterQuality filterQuality,
        GrProcessorDataManager* mgr) const {
    SkMatrix matrix;
    matrix.setIDiv(fImage->width(), fImage->height());

    SkMatrix lmInverse;
    if (!this->getLocalMatrix().invert(&lmInverse)) {
        return nullptr;
    }
    if (localMatrix) {
        SkMatrix inv;
        if (!localMatrix->invert(&inv)) {
            return nullptr;
        }
        lmInverse.postConcat(inv);
    }
    matrix.preConcat(lmInverse);

    SkShader::TileMode tm[] = { fTileModeX, fTileModeY };

    // Must set wrap and filter on the sampler before requesting a texture. In two places below
    // we check the matrix scale factors to determine how to interpret the filter quality setting.
    // This completely ignores the complexity of the drawVertices case where explicit local coords
    // are provided by the caller.
    bool doBicubic;
    GrTextureParams::FilterMode textureFilterMode =
        GrSkFilterQualityToGrFilterMode(filterQuality, viewM, this->getLocalMatrix(), &doBicubic);
    GrTextureParams params(tm, textureFilterMode);

    SkImageUsageType usageType;
    if (kClamp_TileMode == fTileModeX && kClamp_TileMode == fTileModeY) {
        usageType = kUntiled_SkImageUsageType;
    } else if (GrTextureParams::kNone_FilterMode == textureFilterMode) {
        usageType = kTiled_Unfiltered_SkImageUsageType;
    } else {
        usageType = kTiled_Filtered_SkImageUsageType;
    }

    SkAutoTUnref<GrTexture> texture(as_IB(fImage)->asTextureRef(context, usageType));
    if (!texture) {
        return nullptr;
    }

    SkAutoTUnref<GrFragmentProcessor> inner;
    if (doBicubic) {
        inner.reset(GrBicubicEffect::Create(mgr, texture, matrix, tm));
    } else {
        inner.reset(GrSimpleTextureEffect::Create(mgr, texture, matrix, params));
    }

    if (GrPixelConfigIsAlphaOnly(texture->config())) {
        return SkRef(inner.get());
    }
    return GrFragmentProcessor::MulOuputByInputAlpha(inner);
}
コード例 #24
0
    void onPrepareDraws(Target* target) const override {
        SkAutoTUnref<const GrGeometryProcessor> gp;
        {
            using namespace GrDefaultGeoProcFactory;
            Color color(this->color());
            Coverage coverage(this->coverageIgnored() ? Coverage::kSolid_Type :
                                                        Coverage::kNone_Type);
            LocalCoords localCoords(this->usesLocalCoords() ? LocalCoords::kUsePosition_Type :
                                                              LocalCoords::kUnused_Type);
            gp.reset(GrDefaultGeoProcFactory::Create(color, coverage, localCoords,
                                                     this->viewMatrix()));
        }

        target->initDraw(gp, this->pipeline());

        size_t vertexStride = gp->getVertexStride();

        SkASSERT(vertexStride == sizeof(GrDefaultGeoProcFactory::PositionAttr));

        const Geometry& args = fGeoData[0];

        int vertexCount = kVertsPerHairlineRect;
        if (args.fStrokeWidth > 0) {
            vertexCount = kVertsPerStrokeRect;
        }

        const GrVertexBuffer* vertexBuffer;
        int firstVertex;

        void* verts = target->makeVertexSpace(vertexStride, vertexCount, &vertexBuffer,
                                              &firstVertex);

        if (!verts) {
            SkDebugf("Could not allocate vertices\n");
            return;
        }

        SkPoint* vertex = reinterpret_cast<SkPoint*>(verts);

        GrPrimitiveType primType;
        if (args.fStrokeWidth > 0) {;
            primType = kTriangleStrip_GrPrimitiveType;
            init_stroke_rect_strip(vertex, args.fRect, args.fStrokeWidth);
        } else {
            // hairline
            primType = kLineStrip_GrPrimitiveType;
            vertex[0].set(args.fRect.fLeft, args.fRect.fTop);
            vertex[1].set(args.fRect.fRight, args.fRect.fTop);
            vertex[2].set(args.fRect.fRight, args.fRect.fBottom);
            vertex[3].set(args.fRect.fLeft, args.fRect.fBottom);
            vertex[4].set(args.fRect.fLeft, args.fRect.fTop);
        }

        GrVertices vertices;
        vertices.init(primType, vertexBuffer, firstVertex, vertexCount);
        target->draw(vertices);
    }
コード例 #25
0
static jobject nativeDecodeFileDescriptor(JNIEnv* env, jobject clazz, jobject fileDescriptor,
        jobject padding, jobject bitmapFactoryOptions) {

    NPE_CHECK_RETURN_ZERO(env, fileDescriptor);

    jint descriptor = jniGetFDFromFileDescriptor(env, fileDescriptor);

    struct stat fdStat;
    if (fstat(descriptor, &fdStat) == -1) {
        doThrowIOE(env, "broken file descriptor");
        return nullObjectReturn("fstat return -1");
    }

    // Restore the descriptor's offset on exiting this function.
    AutoFDSeek autoRestore(descriptor);

    FILE* file = fdopen(descriptor, "r");
    if (file == NULL) {
        return nullObjectReturn("Could not open file");
    }

    SkAutoTUnref<SkFILEStream> fileStream(new SkFILEStream(file,
                         SkFILEStream::kCallerRetains_Ownership));

    SkAutoTUnref<SkStreamRewindable> stream;

    // Retain the old behavior of allowing purgeable if both purgeable and
    // shareable are set to true.
    bool isPurgeable = optionsPurgeable(env, bitmapFactoryOptions)
                       && optionsShareable(env, bitmapFactoryOptions);
    if (isPurgeable) {
        // Copy the stream, so the image can be decoded multiple times without
        // continuing to modify the original file descriptor.
        // Copy beginning from the current position.
        const size_t fileSize = fileStream->getLength() - fileStream->getPosition();
        void* buffer = sk_malloc_flags(fileSize, 0);
        if (buffer == NULL) {
            return nullObjectReturn("Could not make a copy for ashmem");
        }

        SkAutoTUnref<SkData> data(SkData::NewFromMalloc(buffer, fileSize));

        if (fileStream->read(buffer, fileSize) != fileSize) {
            return nullObjectReturn("Could not read the file.");
        }

        stream.reset(new SkMemoryStream(data));
    } else {
        // Use a buffered stream. Although an SkFILEStream can be rewound, this
        // ensures that SkImageDecoder::Factory never rewinds beyond the
        // current position of the file descriptor.
        stream.reset(SkFrontBufferedStream::Create(fileStream, BYTES_TO_BUFFER));
    }

    return doDecode(env, stream, padding, bitmapFactoryOptions, isPurgeable);
}
コード例 #26
0
ファイル: SkPictureShader.cpp プロジェクト: fluxxion82/skia
    static bool Visitor(const SkResourceCache::Rec& baseRec, void* contextShader) {
        const BitmapShaderRec& rec = static_cast<const BitmapShaderRec&>(baseRec);
        SkAutoTUnref<SkShader>* result = reinterpret_cast<SkAutoTUnref<SkShader>*>(contextShader);

        result->reset(SkRef(rec.fShader.get()));

        // The bitmap shader is backed by an image generator, thus it can always re-generate its
        // pixels if discarded.
        return true;
    }
コード例 #27
0
			~ImageRenderingContext()
			{
				if (IsGpu)
				{
					SkAutoTUnref<SkImage> image;
					image.reset(Surface->newImageSnapshot(SkSurface::kNo_Budgeted));
					image.get()->readPixels(Image->Bitmap.info(), Image->Bitmap.getPixels(), Image->Bitmap.rowBytes(), 0, 0);
				}
				Surface.reset(nullptr);
			}
コード例 #28
0
// Test out the layer replacement functionality with and w/o a BBH
void test_replacements(skiatest::Reporter* r, GrContext* context, bool doReplace) {
    sk_sp<SkPicture> pic;

    {
        SkPictureRecorder recorder;
        SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight));
        SkPaint paint;
        canvas->saveLayer(nullptr, &paint);
        canvas->clear(SK_ColorRED);
        canvas->restore();
        canvas->drawRect(SkRect::MakeWH(SkIntToScalar(kWidth / 2), SkIntToScalar(kHeight / 2)),
                         SkPaint());
        pic = recorder.finishRecordingAsPicture();
    }

    SkAutoTUnref<GrTexture> texture;
    SkPaint paint;
    GrLayerCache* layerCache = context->getLayerCache();

    if (doReplace) {
        int key[1] = { 0 };

        GrCachedLayer* layer = layerCache->findLayerOrCreate(pic->uniqueID(), 0, 2,
                                                             SkIRect::MakeWH(kWidth, kHeight),
                                                             SkIRect::MakeWH(kWidth, kHeight),
                                                             SkMatrix::I(), key, 1, &paint);

        GrSurfaceDesc desc;
        desc.fConfig = kSkia8888_GrPixelConfig;
        desc.fFlags = kRenderTarget_GrSurfaceFlag;
        desc.fWidth = kWidth;
        desc.fHeight = kHeight;
        desc.fSampleCnt = 0;

        // Giving the texture some initial data so the Gpu (specifically vulkan) does not complain
        // when reading from an uninitialized texture.
        SkAutoTMalloc<uint32_t> srcBuffer(kWidth*kHeight);
        memset(srcBuffer.get(), 0, kWidth*kHeight*sizeof(uint32_t));

        texture.reset(context->textureProvider()->createTexture(
                desc, SkBudgeted::kNo, srcBuffer.get(), 0));
        layer->setTexture(texture, SkIRect::MakeWH(kWidth, kHeight), false);
    }

    SkRecord rerecord;
    SkRecorder canvas(&rerecord, kWidth, kHeight);
    GrRecordReplaceDraw(pic.get(), &canvas, layerCache, SkMatrix::I(), nullptr/*callback*/);

    int numLayers = count_instances_of_type<SkRecords::SaveLayer>(rerecord);
    if (doReplace) {
        REPORTER_ASSERT(r, 0 == numLayers);
    } else {
        REPORTER_ASSERT(r, 1 == numLayers);
    }
}
コード例 #29
0
ファイル: PictureRenderer.cpp プロジェクト: miaoshunping/skia
SkCanvas* PictureRenderer::setupCanvas(int width, int height) {
    SkCanvas* canvas;
    switch(fDeviceType) {
        case kBitmap_DeviceType: {
            SkBitmap bitmap;
            sk_tools::setup_bitmap(&bitmap, width, height);
            canvas = SkNEW_ARGS(SkCanvas, (bitmap));
        }
        break;
#if SK_SUPPORT_GPU
#if SK_ANGLE
        case kAngle_DeviceType:
            // fall through
#endif
#if SK_MESA
        case kMesa_DeviceType:
            // fall through
#endif
        case kGPU_DeviceType:
        case kNVPR_DeviceType: {
            SkAutoTUnref<GrSurface> target;
            if (fGrContext) {
                // create a render target to back the device
                GrTextureDesc desc;
                desc.fConfig = kSkia8888_GrPixelConfig;
                desc.fFlags = kRenderTarget_GrTextureFlagBit;
                desc.fWidth = width;
                desc.fHeight = height;
                desc.fSampleCnt = fSampleCount;
                target.reset(fGrContext->createUncachedTexture(desc, NULL, 0));
            }
            if (NULL == target.get()) {
                SkASSERT(0);
                return NULL;
            }

            SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(target));
            canvas = SkNEW_ARGS(SkCanvas, (device.get()));
            break;
        }
#endif
        default:
            SkASSERT(0);
            return NULL;
    }
    setUpFilter(canvas, fDrawFilters);
    this->scaleToScaleFactor(canvas);

    // Pictures often lie about their extent (i.e., claim to be 100x100 but
    // only ever draw to 90x100). Clear here so the undrawn portion will have
    // a consistent color
    canvas->clear(SK_ColorTRANSPARENT);
    return canvas;
}
コード例 #30
0
ファイル: SkBitmapProcShader.cpp プロジェクト: wzugang/skia
const GrFragmentProcessor* SkBitmapProcShader::asFragmentProcessor(GrContext* context,
                                             const SkMatrix& viewM, const SkMatrix* localMatrix,
                                             SkFilterQuality filterQuality,
                                             GrProcessorDataManager* procDataManager) const {
    SkMatrix matrix;
    matrix.setIDiv(fRawBitmap.width(), fRawBitmap.height());

    SkMatrix lmInverse;
    if (!this->getLocalMatrix().invert(&lmInverse)) {
        return nullptr;
    }
    if (localMatrix) {
        SkMatrix inv;
        if (!localMatrix->invert(&inv)) {
            return nullptr;
        }
        lmInverse.postConcat(inv);
    }
    matrix.preConcat(lmInverse);

    SkShader::TileMode tm[] = {
        (TileMode)fTileModeX,
        (TileMode)fTileModeY,
    };

    // Must set wrap and filter on the sampler before requesting a texture. In two places below
    // we check the matrix scale factors to determine how to interpret the filter quality setting.
    // This completely ignores the complexity of the drawVertices case where explicit local coords
    // are provided by the caller.
    bool doBicubic;
    GrTextureParams::FilterMode textureFilterMode =
            GrSkFilterQualityToGrFilterMode(filterQuality, viewM, this->getLocalMatrix(),
                                            &doBicubic);
    GrTextureParams params(tm, textureFilterMode);
    SkAutoTUnref<GrTexture> texture(GrRefCachedBitmapTexture(context, fRawBitmap, &params));

    if (!texture) {
        SkErrorInternals::SetError( kInternalError_SkError,
                                    "Couldn't convert bitmap to texture.");
        return nullptr;
    }

    SkAutoTUnref<GrFragmentProcessor> inner;
    if (doBicubic) {
        inner.reset(GrBicubicEffect::Create(procDataManager, texture, matrix, tm));
    } else {
        inner.reset(GrSimpleTextureEffect::Create(procDataManager, texture, matrix, params));
    }

    if (kAlpha_8_SkColorType == fRawBitmap.colorType()) {
        return SkRef(inner.get());
    }
    return GrExtractAlphaFragmentProcessor::Create(inner);
}