C++ SkPicture::height方法代码示例

void SkDumpCanvas::drawPicture(SkPicture& picture) {
    this->dump(kDrawPicture_Verb, NULL, "drawPicture(%p) %d:%d", &picture,
               picture.width(), picture.height());
    fNestLevel += 1;
    this->INHERITED::drawPicture(picture);
    fNestLevel -= 1;
    this->dump(kDrawPicture_Verb, NULL, "endPicture(%p) %d:%d", &picture,
               picture.width(), picture.height());
}

static void rerecord(const SkPicture& src, SkBBHFactory* bbhFactory) {
    SkPictureRecorder recorder;
    if (FLAGS_skr) {
        src.draw(recorder.EXPERIMENTAL_beginRecording(src.width(), src.height(), bbhFactory));
    } else {
        src.draw(recorder.beginRecording(src.width(), src.height(), bbhFactory));
    }
    SkAutoTUnref<SkPicture> pic(recorder.endRecording());
}

// Extract the command ops from the input SkPicture
static void gets_ops(SkPicture& input, SkTDArray<DrawType>* ops) {
    SkDebugCanvas debugCanvas(input.width(), input.height());
    debugCanvas.setBounds(input.width(), input.height());
    input.draw(&debugCanvas);

    ops->setCount(debugCanvas.getSize());
    for (int i = 0; i < debugCanvas.getSize(); ++i) {
        (*ops)[i] = debugCanvas.getDrawCommandAt(i)->getType();
    }
}

static SkPicture* inspect(const char path[]) {
    SkFILEStream stream(path);
    if (!stream.isValid()) {
        printf("-- Can't open '%s'\n", path);
        return NULL;
    }

    printf("Opening '%s'...\n", path);

    {
        int32_t header[3];
        if (stream.read(header, sizeof(header)) != sizeof(header)) {
            printf("-- Failed to read header (12 bytes)\n");
            return NULL;
        }
        printf("version:%d width:%d height:%d\n", header[0], header[1], header[2]);
    }

    stream.rewind();
    SkPicture* pic = SkPicture::CreateFromStream(&stream, &sk_tools::LazyDecodeBitmap);
    if (NULL == pic) {
        SkDebugf("Could not create SkPicture: %s\n", path);
        return NULL;
    }
    printf("picture size:[%d %d]\n", pic->width(), pic->height());
    return pic;
}

// Do the commands in 'input' match the supplied pattern? Note: this is a pretty
// heavy-weight operation since we are drawing the picture into a debug canvas
// to extract the commands.
static bool check_pattern(SkPicture& input, const SkTDArray<DrawType> &pattern) {
    SkDebugCanvas debugCanvas(input.width(), input.height());
    debugCanvas.setBounds(input.width(), input.height());
    input.draw(&debugCanvas);

    if (pattern.count() != debugCanvas.getSize()) {
        return false;
    }

    for (int i = 0; i < pattern.count(); ++i) {
        if (pattern[i] != debugCanvas.getDrawCommandAt(i)->getType()) {
            return false;
        }
    }

    return true;
}

static bool render_picture(const SkString& inputPath, const SkString* outputDir,
                           sk_tools::PictureRenderer& renderer,
                           SkBitmap** out,
                           int clones) {
    SkString inputFilename;
    sk_tools::get_basename(&inputFilename, inputPath);

    SkFILEStream inputStream;
    inputStream.setPath(inputPath.c_str());
    if (!inputStream.isValid()) {
        SkDebugf("Could not open file %s\n", inputPath.c_str());
        return false;
    }

    bool success = false;
    SkPicture* picture = SkNEW_ARGS(SkPicture,
            (&inputStream, &success, &SkImageDecoder::DecodeStream));
    if (!success) {
        SkDebugf("Could not read an SkPicture from %s\n", inputPath.c_str());
        return false;
    }

    for (int i = 0; i < clones; ++i) {
        SkPicture* clone = picture->clone();
        SkDELETE(picture);
        picture = clone;
    }

    SkDebugf("drawing... [%i %i] %s\n", picture->width(), picture->height(),
             inputPath.c_str());

    renderer.init(picture);
    renderer.setup();

    SkString* outputPath = NULL;
    if (NULL != outputDir) {
        outputPath = SkNEW(SkString);
        make_output_filepath(outputPath, *outputDir, inputFilename);
    }

    success = renderer.render(outputPath, out);
    if (outputPath) {
        if (!success) {
            SkDebugf("Could not write to file %s\n", outputPath->c_str());
        }
        SkDELETE(outputPath);
    }

    renderer.resetState();

    renderer.end();

    SkDELETE(picture);
    return success;
}

static void testOne(const SkString& filename) {
#if DEBUG_SHOW_TEST_NAME
    SkString testName(filename);
    const char http[] = "http";
    if (testName.startsWith(http)) {
        testName.remove(0, sizeof(http) - 1);
    }
    while (testName.startsWith("_")) {
        testName.remove(0, 1);
    }
    const char dotSkp[] = ".skp";
    if (testName.endsWith(dotSkp)) {
        size_t len = testName.size();
        testName.remove(len - (sizeof(dotSkp) - 1), sizeof(dotSkp) - 1);
    }
    testName.prepend("skp");
    testName.append("1");
    strncpy(DEBUG_FILENAME_STRING, testName.c_str(), DEBUG_FILENAME_STRING_LENGTH);
#endif
    SkString path;
    make_filepath(&path, pictDir, filename);
    SkFILEStream stream(path.c_str());
    if (!stream.isValid()) {
        return;
    }
    SkPicture* pic = SkPicture::CreateFromStream(&stream, &SkImageDecoder::DecodeMemory);
    if (!pic) {
        SkDebugf("unable to decode %s\n", filename.c_str());
        return;
    }
    int width = pic->width();
    int height = pic->height();
    SkBitmap bitmap;
    bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height);
    bool success = bitmap.allocPixels();
    if (!success) {
        SkDebugf("unable to allocate bitmap for %s\n", filename.c_str());
        return;
    }
    SkCanvas canvas(bitmap);
    SkString pngName(filename);
    pngName.remove(pngName.size() - 3, 3);
    pngName.append("png");
    for (int i = 0; i < 2; ++i) {
        bool useOp = i ? true : false;
        canvas.setAllowSimplifyClip(useOp);
        pic->draw(&canvas);
        SkString outFile;
        make_filepath(&outFile, useOp ? outSkpClipDir : outOldClipDir, pngName);
        SkImageEncoder::EncodeFile(outFile.c_str(), bitmap, SkImageEncoder::kPNG_Type, 100);
    }
    SkDELETE(pic);
}

static void bench(SkPMColor* scratch, SkPicture& src, const char* name) {
    SkAutoTUnref<SkPicture> picture(rerecord_with_tilegrid(src));
    SkAutoTDelete<EXPERIMENTAL::SkPlayback> record(rerecord_with_skr(src));

    SkAutoTDelete<SkCanvas> canvas(SkCanvas::NewRasterDirectN32(src.width(),
                                                                src.height(),
                                                                scratch,
                                                                src.width() * sizeof(SkPMColor)));
    canvas->clipRect(SkRect::MakeWH(SkIntToScalar(FLAGS_tile), SkIntToScalar(FLAGS_tile)));

    // Draw once to warm any caches.  The first sample otherwise can be very noisy.
    draw(*record, *picture, canvas.get());

    WallTimer timer;
    const double scale = timescale();
    SkAutoTMalloc<double> samples(FLAGS_samples);
    for (int i = 0; i < FLAGS_samples; i++) {
        // We assume timer overhead (typically, ~30ns) is insignificant
        // compared to draw runtime (at least ~100us, usually several ms).
        timer.start();
        draw(*record, *picture, canvas.get());
        timer.end();
        samples[i] = timer.fWall * scale;
    }

    Stats stats(samples.get(), FLAGS_samples);
    if (FLAGS_verbose == 0) {
        printf("%g\t%s\n", stats.min, name);
    } else if (FLAGS_verbose == 1) {
        // Get a rough idea of how noisy the measurements were.
        const double noisePercent = 100 * sqrt(stats.var) / stats.mean;
        printf("%g\t%g\t%g\t±%.0f%%\t%s\n", stats.min, stats.mean, stats.max, noisePercent, name);
    } else if (FLAGS_verbose == 2) {
        printf("%s", name);
        for (int i = 0; i < FLAGS_samples; i++) {
            printf("\t%g", samples[i]);
        }
        printf("\n");
    }
}

/**
 * Called only by render_picture().
 */
static bool render_picture_internal(const SkString& inputPath, const SkString* outputDir,
                                    sk_tools::PictureRenderer& renderer,
                                    SkBitmap** out) {
    SkString inputFilename;
    sk_tools::get_basename(&inputFilename, inputPath);
    SkString outputDirString;
    if (NULL != outputDir && outputDir->size() > 0 && !FLAGS_writeEncodedImages) {
        outputDirString.set(*outputDir);
    }

    SkFILEStream inputStream;
    inputStream.setPath(inputPath.c_str());
    if (!inputStream.isValid()) {
        SkDebugf("Could not open file %s\n", inputPath.c_str());
        return false;
    }

    SkPicture::InstallPixelRefProc proc;
    if (FLAGS_deferImageDecoding) {
        proc = &sk_tools::LazyDecodeBitmap;
    } else if (FLAGS_writeEncodedImages) {
        SkASSERT(!FLAGS_writePath.isEmpty());
        reset_image_file_base_name(inputFilename);
        proc = &write_image_to_file;
    } else {
        proc = &SkImageDecoder::DecodeMemory;
    }

    SkDebugf("deserializing... %s\n", inputPath.c_str());

    SkPicture* picture = SkPicture::CreateFromStream(&inputStream, proc);

    if (NULL == picture) {
        SkDebugf("Could not read an SkPicture from %s\n", inputPath.c_str());
        return false;
    }

    while (FLAGS_bench_record) {
        const int kRecordFlags = 0;
        SkPicture other;
        picture->draw(other.beginRecording(picture->width(), picture->height(), kRecordFlags));
        other.endRecording();
    }

    for (int i = 0; i < FLAGS_clone; ++i) {
        SkPicture* clone = picture->clone();
        SkDELETE(picture);
        picture = clone;
    }

    SkDebugf("drawing... [%i %i] %s\n", picture->width(), picture->height(),
             inputPath.c_str());

    renderer.init(picture, &outputDirString, &inputFilename, FLAGS_writeChecksumBasedFilenames);

    if (FLAGS_preprocess) {
        if (NULL != renderer.getCanvas()) {
            renderer.getCanvas()->EXPERIMENTAL_optimize(picture);
        }
    }

    renderer.setup();

    bool success = renderer.render(out);
    if (!success) {
        SkDebugf("Failed to render %s\n", inputFilename.c_str());
    }

    renderer.end();

    SkDELETE(picture);
    return success;
}

static bool run_single_benchmark(const SkString& inputPath,
                                 sk_tools::PictureBenchmark& benchmark) {
    SkFILEStream inputStream;

    inputStream.setPath(inputPath.c_str());
    if (!inputStream.isValid()) {
        SkString err;
        err.printf("Could not open file %s\n", inputPath.c_str());
        gLogger.logError(err);
        return false;
    }

    // Since the old picture has been deleted, all pixels should be cleared.
    SkASSERT(gLruImageCache.getImageCacheUsed() == 0);
    if (FLAGS_countRAM) {
        // Set the limit to zero, so all pixels will be kept
        gLruImageCache.setImageCacheLimit(0);
    }

    bool success = false;
    SkPicture* picture;
    if (FLAGS_deferImageDecoding) {
        picture = SkNEW_ARGS(SkPicture, (&inputStream, &success, &lazy_decode_bitmap));
    } else {
        picture = SkNEW_ARGS(SkPicture, (&inputStream, &success, &SkImageDecoder::DecodeMemory));
    }
    SkAutoTDelete<SkPicture> ad(picture);

    if (!success) {
        SkString err;
        err.printf("Could not read an SkPicture from %s\n", inputPath.c_str());
        gLogger.logError(err);
        return false;
    }

    SkString filename;
    sk_tools::get_basename(&filename, inputPath);

    SkString result;
    result.printf("running bench [%i %i] %s ", picture->width(), picture->height(),
                  filename.c_str());
    gLogger.logProgress(result);

    benchmark.run(picture);

#if LAZY_CACHE_STATS
    if (FLAGS_trackDeferredCaching) {
        int32_t cacheHits = SkLazyPixelRef::GetCacheHits();
        int32_t cacheMisses = SkLazyPixelRef::GetCacheMisses();
        SkLazyPixelRef::ResetCacheStats();
        SkString hitString;
        hitString.printf("Cache hit rate: %f\n", (double) cacheHits / (cacheHits + cacheMisses));
        gLogger.logProgress(hitString);
        gTotalCacheHits += cacheHits;
        gTotalCacheMisses += cacheMisses;
    }
#endif
    if (FLAGS_countRAM) {
        SkString ramCount("RAM used for bitmaps: ");
        size_t bytes = gLruImageCache.getImageCacheUsed();
        if (bytes > 1024) {
            size_t kb = bytes / 1024;
            if (kb > 1024) {
                size_t mb = kb / 1024;
                ramCount.appendf("%zi MB\n", mb);
            } else {
                ramCount.appendf("%zi KB\n", kb);
            }
        } else {
            ramCount.appendf("%zi bytes\n", bytes);
        }
        gLogger.logProgress(ramCount);
    }

    return true;
}

CanvasLayer::CanvasLayer(const CanvasLayer& layer)
    : LayerAndroid(layer)
    , m_canvas(0)
    , m_bitmap(0)
    , m_gpuCanvas(0)
{
    init();
    if (!layer.m_canvas) {
        // The canvas has already been destroyed - this shouldn't happen
        ALOGW("Creating a CanvasLayer for a destroyed canvas!");
        m_visibleContentRect = IntRect();
        m_offsetFromRenderer = IntSize();
        m_texture->setHwAccelerated(false);
        return;
    }
    // We are making a copy for the UI, sync the interesting bits
    m_visibleContentRect = layer.visibleContentRect();
    m_offsetFromRenderer = layer.offsetFromRenderer();
    bool previousState = m_texture->hasValidTexture();

    if(layer.m_canvas->isUsingGpuRendering())
        return;

    ImageBuffer* imageBuffer = layer.m_canvas->buffer();
    
    if (!previousState && layer.m_dirtyCanvas.isEmpty() && imageBuffer && !(imageBuffer->drawsUsingRecording())) {
        // We were previously in software and don't have anything new to draw,
        // so stay in software
        m_bitmap = layer.bitmap();
        SkSafeRef(m_bitmap);
    } else {

        if(imageBuffer && imageBuffer->drawsUsingRecording() && !layer.m_canvas->isUsingGpuRendering())
        {
            bool canUseGpuRendering = imageBuffer->canUseGpuRendering();

            if(canUseGpuRendering && layer.m_canvas->canUseGpuRendering())
            {
                layer.m_canvas->enableGpuRendering();
                CanvasLayer::setGpuCanvasStatus(layer.uniqueId(), true);
            }
        }

        // If recording is being used
        if(imageBuffer && imageBuffer->drawsUsingRecording())
        {
            GraphicsContext* gc = imageBuffer->context();
            //SkPicture* canvasRecording = gc->platformContext()->getRecordingPicture();

            SkPicture* canvasRecording = CanvasLayer::getRecordingPicture(this);
            SkBitmap* bitmap = CanvasLayer::getRecordingBitmap(this);
            SkCanvas* canvas = CanvasLayer::getRecordingCanvas(this);

            if(canvasRecording == NULL)
                return;

            if(bitmap == NULL || bitmap->width() != canvasRecording->width()
                    || bitmap->height() != canvasRecording->height())
            {
                SkBitmap* newBitmap = new SkBitmap();
                newBitmap->setConfig(SkBitmap::kARGB_8888_Config, canvasRecording->width(), canvasRecording->height());
                newBitmap->allocPixels();
                newBitmap->eraseColor(0);
                CanvasLayer::setRecordingBitmap(newBitmap, this);
                bitmap = newBitmap;
                if(canvas != NULL)
                    canvas->setBitmapDevice(*bitmap);
            }

            if(canvas == NULL)
            {
                canvas = new SkCanvas();
                canvas->setBitmapDevice(*bitmap);
                CanvasLayer::setRecordingCanvas(canvas, this);
            }

            canvas->drawARGB(0, 0, 0, 0, SkXfermode::kClear_Mode);
            canvasRecording->draw(canvas);

            if (!m_texture->uploadImageBitmap(bitmap)) {
                //SLOGD("+++++++++++++++++++++ Didn't upload bitmap .. fall back to software");
                // TODO:: Fix this
            }
        }
        else
        {
            if (!m_texture->uploadImageBuffer(layer.m_canvas->buffer())) {
                // Blargh, no surface texture or ImageBuffer - fall back to software
                m_bitmap = layer.bitmap();
                SkSafeRef(m_bitmap);
                // Merge the canvas invals with the layer's invals to repaint the needed
                // tiles.
                SkRegion::Iterator iter(layer.m_dirtyCanvas);
                const IntPoint& offset = m_visibleContentRect.location();
                for (; !iter.done(); iter.next()) {
                    SkIRect diff = iter.rect();
                    diff.fLeft += offset.x();
                    diff.fRight += offset.x();
                    diff.fTop += offset.y();
                    diff.fBottom += offset.y();
//.........这里部分代码省略.........

/**
 * Called only by render_picture().
 */
static bool render_picture_internal(const SkString& inputPath, const SkString* writePath,
                                    const SkString* mismatchPath,
                                    sk_tools::PictureRenderer& renderer,
                                    SkBitmap** out) {
    SkString inputFilename = SkOSPath::SkBasename(inputPath.c_str());
    SkString writePathString;
    if (NULL != writePath && writePath->size() > 0 && !FLAGS_writeEncodedImages) {
        writePathString.set(*writePath);
    }
    SkString mismatchPathString;
    if (NULL != mismatchPath && mismatchPath->size() > 0) {
        mismatchPathString.set(*mismatchPath);
    }

    SkFILEStream inputStream;
    inputStream.setPath(inputPath.c_str());
    if (!inputStream.isValid()) {
        SkDebugf("Could not open file %s\n", inputPath.c_str());
        return false;
    }

    SkPicture::InstallPixelRefProc proc;
    if (FLAGS_deferImageDecoding) {
        proc = &sk_tools::LazyDecodeBitmap;
    } else if (FLAGS_writeEncodedImages) {
        SkASSERT(!FLAGS_writePath.isEmpty());
        reset_image_file_base_name(inputFilename);
        proc = &write_image_to_file;
    } else {
        proc = &SkImageDecoder::DecodeMemory;
    }

    SkDebugf("deserializing... %s\n", inputPath.c_str());

    SkPicture* picture = SkPicture::CreateFromStream(&inputStream, proc);

    if (NULL == picture) {
        SkDebugf("Could not read an SkPicture from %s\n", inputPath.c_str());
        return false;
    }

    while (FLAGS_bench_record) {
        SkPictureRecorder recorder;
        picture->draw(recorder.beginRecording(picture->width(), picture->height(), NULL, 0));
        SkAutoTUnref<SkPicture> other(recorder.endRecording());
    }

    SkDebugf("drawing... [%i %i] %s\n", picture->width(), picture->height(),
             inputPath.c_str());

    renderer.init(picture, &writePathString, &mismatchPathString, &inputFilename,
                  FLAGS_writeChecksumBasedFilenames);

    if (FLAGS_preprocess) {
        if (NULL != renderer.getCanvas()) {
            renderer.getCanvas()->EXPERIMENTAL_optimize(renderer.getPicture());
        }
    }

    renderer.setup();
    renderer.enableWrites();

    bool success = renderer.render(out);
    if (!success) {
        SkDebugf("Failed to render %s\n", inputFilename.c_str());
    }

    renderer.end();

    SkDELETE(picture);
    return success;
}

void SkBBoxRecord::drawPicture(SkPicture& picture) {
    if (picture.width() > 0 && picture.height() > 0 &&
        this->transformBounds(SkRect::MakeWH(picture.width(), picture.height()), NULL)) {
        INHERITED::drawPicture(picture);
    }
}

void TestResult::testOne() {
    SkPicture* pic = nullptr;
    {
        SkString d;
        d.printf("    {%d, \"%s\"},", fDirNo, fFilename);
        SkString path = make_filepath(fDirNo, IN_DIR, fFilename);
        SkFILEStream stream(path.c_str());
        if (!stream.isValid()) {
            SkDebugf("invalid stream %s\n", path.c_str());
            goto finish;
        }
        if (fTestStep == kEncodeFiles) {
            size_t length = stream.getLength();
            SkTArray<char, true> bytes;
            bytes.push_back_n(length);
            stream.read(&bytes[0], length);
            stream.rewind();
            SkString wPath = make_filepath(0, outSkpDir, fFilename);
            SkFILEWStream wStream(wPath.c_str());
            wStream.write(&bytes[0], length);
            wStream.flush();
        }
        pic = SkPicture::CreateFromStream(&stream, &SkImageDecoder::DecodeMemory);
        if (!pic) {
            SkDebugf("unable to decode %s\n", fFilename);
            goto finish;
        }
        int pWidth = pic->width();
        int pHeight = pic->height();
        int pLargerWH = SkTMax(pWidth, pHeight);
        GrContextFactory contextFactory;
#ifdef SK_BUILD_FOR_WIN
        GrContext* context = contextFactory.get(kAngle);
#else
        GrContext* context = contextFactory.get(kNative);
#endif
        if (nullptr == context) {
            SkDebugf("unable to allocate context for %s\n", fFilename);
            goto finish;
        }
        int maxWH = context->getMaxRenderTargetSize();
        int scale = 1;
        while (pLargerWH / scale > maxWH) {
            scale *= 2;
        }
        SkBitmap bitmap;
        SkIPoint dim;
        do {
            dim.fX = (pWidth + scale - 1) / scale;
            dim.fY = (pHeight + scale - 1) / scale;
            bool success = bitmap.allocN32Pixels(dim.fX, dim.fY);
            if (success) {
                break;
            }
            SkDebugf("-%d-", scale);
        } while ((scale *= 2) < 256);
        if (scale >= 256) {
            SkDebugf("unable to allocate bitmap for %s (w=%d h=%d) (sw=%d sh=%d)\n",
                    fFilename, pWidth, pHeight, dim.fX, dim.fY);
            goto finish;
        }
        SkCanvas skCanvas(bitmap);
        drawPict(pic, &skCanvas, fScaleOversized ? scale : 1);
        GrTextureDesc desc;
        desc.fConfig = kSkia8888_GrPixelConfig;
        desc.fFlags = kRenderTarget_GrTextureFlagBit;
        desc.fWidth = dim.fX;
        desc.fHeight = dim.fY;
        desc.fSampleCnt = 0;
        SkAutoTUnref<GrTexture> texture(context->createUncachedTexture(desc, nullptr, 0));
        if (!texture) {
            SkDebugf("unable to allocate texture for %s (w=%d h=%d)\n", fFilename,
                dim.fX, dim.fY);
            goto finish;
        }
        SkGpuDevice grDevice(context, texture.get());
        SkCanvas grCanvas(&grDevice);
        drawPict(pic, &grCanvas, fScaleOversized ? scale : 1);

        SkBitmap grBitmap;
        grBitmap.allocPixels(grCanvas.imageInfo());
        grCanvas.readPixels(&grBitmap, 0, 0);

        if (fTestStep == kCompareBits) {
            fPixelError = similarBits(grBitmap, bitmap);
            int skTime = timePict(pic, &skCanvas);
            int grTime = timePict(pic, &grCanvas);
            fTime = skTime - grTime;
        } else if (fTestStep == kEncodeFiles) {
            SkString pngStr = make_png_name(fFilename);
            const char* pngName = pngStr.c_str();
            writePict(grBitmap, outGrDir, pngName);
            writePict(bitmap, outSkDir, pngName);
        }
    }
finish:
    delete pic;
}