C++ (Cpp) TgaImporter::image2D Examples

Example #1

File: TgaImporterTest.cpp Project: severin-lemaignan/magnum-plugins

void TgaImporterTest::colorBits32() {
    TgaImporter importer;
    const unsigned char data[] = {
        0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 3, 0, 32, 0,
        1, 2, 3, 1, 2, 3, 4, 1,
        3, 4, 5, 1, 4, 5, 6, 1,
        5, 6, 7, 1, 6, 7, 8, 1
    };
    #ifndef MAGNUM_TARGET_GLES
    const char* pixels = reinterpret_cast<const char*>(data) + 18;
    #else
    const char pixels[] = {
        3, 2, 1, 1, 4, 3, 2, 1,
        5, 4, 3, 1, 6, 5, 4, 1,
        7, 6, 5, 1, 8, 7, 6, 1
    };
    #endif
    CORRADE_VERIFY(importer.openData(data));

    std::optional<Trade::ImageData2D> image = importer.image2D(0);
    CORRADE_VERIFY(image);
    #ifndef MAGNUM_TARGET_GLES
    CORRADE_COMPARE(image->format(), ImageFormat::BGRA);
    #else
    CORRADE_COMPARE(image->format(), ImageFormat::RGBA);
    #endif
    CORRADE_COMPARE(image->size(), Vector2i(2, 3));
    CORRADE_COMPARE(image->type(), ImageType::UnsignedByte);
    CORRADE_COMPARE(std::string(reinterpret_cast<const char*>(image->data()), 2*3*3), std::string(pixels, 2*3*3));
}

Example #2

File: TgaImporterTest.cpp Project: msomeone/magnum

void TgaImporterTest::paletted() {
    TgaImporter importer;
    const char data[] = { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
    CORRADE_VERIFY(importer.openData(data));

    std::ostringstream debug;
    Error::setOutput(&debug);
    CORRADE_VERIFY(!importer.image2D(0));
    CORRADE_COMPARE(debug.str(), "Trade::TgaImporter::image2D(): paletted files are not supported\n");
}

Example #3

File: TgaImporterTest.cpp Project: msomeone/magnum

void TgaImporterTest::openShort() {
    TgaImporter importer;
    const char data[] = { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
    CORRADE_VERIFY(importer.openData(data));

    std::ostringstream debug;
    Error::setOutput(&debug);
    CORRADE_VERIFY(!importer.image2D(0));
    CORRADE_COMPARE(debug.str(), "Trade::TgaImporter::image2D(): the file is too short: 17 bytes\n");
}

Example #4

File: TgaImporterTest.cpp Project: msomeone/magnum

void TgaImporterTest::grayscaleBits16() {
    TgaImporter importer;
    const char data[] = { 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0 };
    CORRADE_VERIFY(importer.openData(data));

    std::ostringstream debug;
    Error::setOutput(&debug);
    CORRADE_VERIFY(!importer.image2D(0));
    CORRADE_COMPARE(debug.str(), "Trade::TgaImporter::image2D(): unsupported grayscale bits-per-pixel: 16\n");
}

Example #5

File: TgaImporterTest.cpp Project: msomeone/magnum

void TgaImporterTest::compressed() {
    TgaImporter importer;
    const char data[] = { 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
    CORRADE_VERIFY(importer.openData(data));

    std::ostringstream debug;
    Error::setOutput(&debug);
    CORRADE_VERIFY(!importer.image2D(0));
    CORRADE_COMPARE(debug.str(), "Trade::TgaImporter::image2D(): unsupported (compressed?) image type: 9\n");
}

Example #6

File: TgaImageConverterTest.cpp Project: yaroslav-tarasov/magnum

void TgaImageConverterTest::rgba() {
    const auto data = TgaImageConverter().exportToData(OriginalRGBA);

    TgaImporter importer;
    CORRADE_VERIFY(importer.openData(data));
    std::optional<Trade::ImageData2D> converted = importer.image2D(0);
    CORRADE_VERIFY(converted);

    CORRADE_COMPARE(converted->storage().alignment(), 4);
    CORRADE_COMPARE(converted->size(), Vector2i(2, 3));
    CORRADE_COMPARE(converted->format(), PixelFormat::RGBA);
    CORRADE_COMPARE(converted->type(), PixelType::UnsignedByte);
    CORRADE_COMPARE_AS(converted->data(), Containers::ArrayView<const char> {OriginalDataRGBA},
    TestSuite::Compare::Container);
}

Example #7

File: TgaImageConverterTest.cpp Project: NextGenIntelligence/magnum

void TgaImageConverterTest::data() {
    const auto data = TgaImageConverter().exportToData(original);

    TgaImporter importer;
    CORRADE_VERIFY(importer.openData(data));
    std::optional<Trade::ImageData2D> converted = importer.image2D(0);
    CORRADE_VERIFY(converted);

    CORRADE_COMPARE(converted->size(), Vector2i(2, 3));
    #ifndef MAGNUM_TARGET_GLES
    CORRADE_COMPARE(converted->format(), ColorFormat::BGR);
    #else
    CORRADE_COMPARE(converted->format(), ColorFormat::RGB);
    #endif
    CORRADE_COMPARE(converted->type(), ColorType::UnsignedByte);
    CORRADE_COMPARE((std::string{converted->data(), 2*3*3}),
                    (std::string{original.data(), 2*3*3}));
}

Example #8

File: TgaImporterTest.cpp Project: severin-lemaignan/magnum-plugins

void TgaImporterTest::file() {
    TgaImporter importer;
    const unsigned char data[] = {
        0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 3, 0, 8, 0,
        1, 2,
        3, 4,
        5, 6
    };
    CORRADE_VERIFY(importer.openFile(Utility::Directory::join(TGAIMPORTER_TEST_DIR, "file.tga")));

    std::optional<Trade::ImageData2D> image = importer.image2D(0);
    CORRADE_VERIFY(image);
    CORRADE_COMPARE(image->format(), ImageFormat::Red);
    CORRADE_COMPARE(image->size(), Vector2i(2, 3));
    CORRADE_COMPARE(image->type(), ImageType::UnsignedByte);
    CORRADE_COMPARE(std::string(reinterpret_cast<const char*>(image->data()), 2*3),
                    std::string(reinterpret_cast<const char*>(data) + 18, 2*3));
}

Example #9

File: TgaImporterTest.cpp Project: severin-lemaignan/magnum-plugins

void TgaImporterTest::grayscaleBits8() {
    TgaImporter importer;
    const unsigned char data[] = {
        0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 3, 0, 8, 0,
        1, 2,
        3, 4,
        5, 6
    };
    CORRADE_VERIFY(importer.openData(data));

    std::optional<Trade::ImageData2D> image = importer.image2D(0);
    CORRADE_VERIFY(image);
    CORRADE_COMPARE(image->format(), ImageFormat::Red);
    CORRADE_COMPARE(image->size(), Vector2i(2, 3));
    CORRADE_COMPARE(image->type(), ImageType::UnsignedByte);
    CORRADE_COMPARE(std::string(reinterpret_cast<const char*>(image->data()), 2*3),
                    std::string(reinterpret_cast<const char*>(data) + 18, 2*3));
}

Example #10

File: TgaImporterTest.cpp Project: msomeone/magnum

void TgaImporterTest::file() {
    TgaImporter importer;
    const char data[] = {
        0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 3, 0, 8, 0,
        1, 2,
        3, 4,
        5, 6
    };
    CORRADE_VERIFY(importer.openFile(Utility::Directory::join(TGAIMPORTER_TEST_DIR, "file.tga")));

    std::optional<Trade::ImageData2D> image = importer.image2D(0);
    CORRADE_VERIFY(image);
    #ifndef MAGNUM_TARGET_GLES2
    CORRADE_COMPARE(image->format(), ColorFormat::Red);
    #else
    CORRADE_COMPARE(image->format(), ColorFormat::Luminance);
    #endif
    CORRADE_COMPARE(image->size(), Vector2i(2, 3));
    CORRADE_COMPARE(image->type(), ColorType::UnsignedByte);
    CORRADE_COMPARE((std::string{image->data(), 2*3}),
                    (std::string{data + 18, 2*3}));
}

Example #11

File: TgaImporterTest.cpp Project: msomeone/magnum

void TgaImporterTest::grayscaleBits8() {
    TgaImporter importer;
    const char data[] = {
        0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 3, 0, 8, 0,
        1, 2,
        3, 4,
        5, 6
    };
    CORRADE_VERIFY(importer.openData(data));

    std::optional<Trade::ImageData2D> image = importer.image2D(0);
    CORRADE_VERIFY(image);
    #ifndef MAGNUM_TARGET_GLES2
    CORRADE_COMPARE(image->format(), ColorFormat::Red);
    #else
    CORRADE_COMPARE(image->format(), ColorFormat::Luminance);
    #endif
    CORRADE_COMPARE(image->size(), Vector2i(2, 3));
    CORRADE_COMPARE(image->type(), ColorType::UnsignedByte);
    CORRADE_COMPARE((std::string{image->data(), 2*3}),
                    (std::string{data + 18, 2*3}));
}

Example #12

File: TgaImporterTest.cpp Project: msomeone/magnum

void TgaImporterTest::colorBits32() {
    TgaImporter importer;
    const char data[] = {
        0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 3, 0, 32, 0,
        1, 2, 3, 1, 2, 3, 4, 1,
        3, 4, 5, 1, 4, 5, 6, 1,
        5, 6, 7, 1, 6, 7, 8, 1
    };
    const char pixels[] = {
        3, 2, 1, 1, 4, 3, 2, 1,
        5, 4, 3, 1, 6, 5, 4, 1,
        7, 6, 5, 1, 8, 7, 6, 1
    };
    CORRADE_VERIFY(importer.openData(data));

    std::optional<Trade::ImageData2D> image = importer.image2D(0);
    CORRADE_VERIFY(image);
    CORRADE_COMPARE(image->format(), ColorFormat::RGBA);
    CORRADE_COMPARE(image->size(), Vector2i(2, 3));
    CORRADE_COMPARE(image->type(), ColorType::UnsignedByte);
    CORRADE_COMPARE((std::string{image->data(), 2*3*3}),
                    (std::string{pixels, 2*3*3}));
}