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 = SkDecodingImageGenerator::Install(data, &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);
}
Exemple #2
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DEF_TEST(Picture_EncodedData, 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 = SkDEPRECATED_InstallDiscardablePixelRef(data, &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();
    sk_sp<SkPicture> pictureFromStream(SkPicture::MakeFromStream(&pictureStream, nullptr));
    REPORTER_ASSERT(reporter, pictureFromStream.get() != nullptr);
    SkClearLastError();
    SkSetErrorCallback(nullptr, nullptr);

    // Test that using the version of CreateFromStream that just takes a stream also decodes the
    // bitmap. Drawing this picture should look exactly like the original bitmap.
    SkMD5::Digest referenceDigest;
    md5(original, &referenceDigest);

    SkBitmap dst;
    dst.allocPixels(original.info());
    dst.eraseColor(SK_ColorRED);
    SkCanvas canvas(dst);

    pictureStream.rewind();
    pictureFromStream = SkPicture::MakeFromStream(&pictureStream);
    canvas.drawPicture(pictureFromStream.get());

    SkMD5::Digest digest2;
    md5(dst, &digest2);
    REPORTER_ASSERT(reporter, referenceDigest == digest2);
}
Exemple #3
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    virtual void HandleMessage(const pp::Var& var_message) {
        // Receive a message from javascript.
        if (var_message.is_string()) {
            SkString msg(var_message.AsString().c_str());
            if (msg.startsWith("init")) {
            } else if (msg.startsWith("LoadSKP")) {
                size_t startIndex = strlen("LoadSKP");
                size_t dataSize = msg.size()/sizeof(char) - startIndex;
                SkBase64 decodedData;
                decodedData.decode(msg.c_str() + startIndex, dataSize);
                size_t decodedSize = 3 * (dataSize / 4);
                SkDebugf("Got size: %d\n", decodedSize);
                if (!decodedData.getData()) {
                    SkDebugf("Failed to decode SKP\n");
                    return;
                }
                SkMemoryStream pictureStream(decodedData.getData(), decodedSize);
                SkPicture* picture = SkPicture::CreateFromStream(&pictureStream);
                if (NULL == picture) {
                    SkDebugf("Failed to create SKP.\n");
                    return;
                }
                fDebugger.loadPicture(picture);
                picture->unref();

                // Set up the command list.
                SkTArray<SkString>* commands = fDebugger.getDrawCommandsAsStrings();
                PostMessage("ClearCommands");
                for (int i = 0; i < commands->count(); ++i) {
                    SkString addCommand("AddCommand:");
                    addCommand.append((*commands)[i]);
                    PostMessage(addCommand.c_str());
                }
                PostMessage("UpdateCommands");

                // Set the overview text.
                SkString overviewText;
                fDebugger.getOverviewText(NULL, 0.0, &overviewText, 1);
                overviewText.prepend("SetOverview:");
                PostMessage(overviewText.c_str());

                // Draw the SKP.
                if (!fFlushLoopRunning) {
                    Paint();
                }
            } else if (msg.startsWith("CommandSelected:")) {
                size_t startIndex = strlen("CommandSelected:");
                int index = atoi(msg.c_str() + startIndex);
                fDebugger.setIndex(index);
                if (!fFlushLoopRunning) {
                    Paint();
                }
            } else if (msg.startsWith("Rewind")) {
                fCanvas->clear(SK_ColorWHITE);
                fDebugger.setIndex(0);
                if (!fFlushLoopRunning) {
                    Paint();
                }
            } else if (msg.startsWith("StepBack")) {
                fCanvas->clear(SK_ColorWHITE);
                int currentIndex = fDebugger.index();
                if (currentIndex > 1) {
                    fDebugger.setIndex(currentIndex - 1);
                    if (!fFlushLoopRunning) {
                        Paint();
                    }
                }
            } else if (msg.startsWith("Pause")) {
                // TODO(borenet)
            } else if (msg.startsWith("StepForward")) {
                int currentIndex = fDebugger.index();
                if (currentIndex < fDebugger.getSize() -1) {
                    fDebugger.setIndex(currentIndex + 1);
                    if (!fFlushLoopRunning) {
                        Paint();
                    }
                }
            } else if (msg.startsWith("Play")) {
                fDebugger.setIndex(fDebugger.getSize() - 1);
                if (!fFlushLoopRunning) {
                    Paint();
                }
            }
        }
    }