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 test_clone_empty(skiatest::Reporter* reporter) {
    // This is a regression test for crbug.com/172062
    // Before the fix, we used to crash accessing a null pointer when we
    // had a picture with no paints. This test passes by not crashing.
    {
        SkPicture picture;
        picture.beginRecording(1, 1);
        picture.endRecording();
        SkPicture* destPicture = picture.clone();
        REPORTER_ASSERT(reporter, NULL != destPicture);
        destPicture->unref();
    }
    {
        // Test without call to endRecording
        SkPicture picture;
        picture.beginRecording(1, 1);
        SkPicture* destPicture = picture.clone();
        REPORTER_ASSERT(reporter, NULL != destPicture);
        destPicture->unref();
    }
}
Exemple #3
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/**
 * 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;
}