C++ (Cpp) TILE_DATA_SIZE Examples

Example #1

File: kis_legacy_tile_compressor.cpp Project: KDE/krita

bool KisLegacyTileCompressor::decompressTileData(quint8 *buffer,
                                                 qint32 bufferSize,
                                                 KisTileData *tileData)
{
    const qint32 tileDataSize = TILE_DATA_SIZE(tileData->pixelSize());
    if (bufferSize >= tileDataSize) {
        memcpy(tileData->data(), buffer, tileDataSize);
        return true;
    }
    return false;
}

Example #2

File: kis_legacy_tile_compressor.cpp Project: KDE/krita

void KisLegacyTileCompressor::compressTileData(KisTileData *tileData,
                                               quint8 *buffer,
                                               qint32 bufferSize,
                                               qint32 &bytesWritten)
{
    bytesWritten = 0;
    const qint32 tileDataSize = TILE_DATA_SIZE(tileData->pixelSize());
    Q_UNUSED(bufferSize);
    Q_ASSERT(bufferSize >= tileDataSize);
    memcpy(buffer, tileData->data(), tileDataSize);
    bytesWritten += tileDataSize;
}

Example #3

File: kis_legacy_tile_compressor.cpp Project: abhishekmurthy/Calligra

void KisLegacyTileCompressor::decompressTileData(quint8 *buffer,
                                                 qint32 bufferSize,
                                                 KisTileData *tileData)
{
    const qint32 tileDataSize = TILE_DATA_SIZE(tileData->pixelSize());
#ifdef NDEBUG
    Q_UNUSED(bufferSize);
#else
    Q_ASSERT(bufferSize >= tileDataSize);
#endif


    memcpy(tileData->data(), buffer, tileDataSize);
}

Example #4

File: kis_legacy_tile_compressor.cpp Project: abhishekmurthy/Calligra

void KisLegacyTileCompressor::writeTile(KisTileSP tile, KisPaintDeviceWriter &store)
{
    const qint32 tileDataSize = TILE_DATA_SIZE(tile->pixelSize());

    const qint32 bufferSize = maxHeaderLength() + 1;
    quint8 *headerBuffer = new quint8[bufferSize];

    writeHeader(tile, headerBuffer);

    store.write((char *)headerBuffer, strlen((char *)headerBuffer));

    tile->lockForRead();
    store.write((char *)tile->data(), tileDataSize);
    tile->unlock();

    delete[] headerBuffer;
}

Example #5

File: kis_legacy_tile_compressor.cpp Project: KDE/krita

bool KisLegacyTileCompressor::writeTile(KisTileSP tile, KisPaintDeviceWriter &store)
{
    const qint32 tileDataSize = TILE_DATA_SIZE(tile->pixelSize());

    const qint32 bufferSize = maxHeaderLength() + 1;
    QScopedArrayPointer<quint8> headerBuffer(new quint8[bufferSize]);

    bool retval = writeHeader(tile, headerBuffer.data());
    Q_ASSERT(retval);  // currently the code returns true unconditionally
    if (!retval) {
        return false;
    }

    store.write((char *)headerBuffer.data(), strlen((char *)headerBuffer.data()));

    tile->lockForRead();
    retval = store.write((char *)tile->data(), tileDataSize);
    tile->unlock();

    return retval;
}

Example #6

File: kis_legacy_tile_compressor.cpp Project: abhishekmurthy/Calligra

void KisLegacyTileCompressor::readTile(QIODevice *stream, KisTiledDataManager *dm)
{
    const qint32 tileDataSize = TILE_DATA_SIZE(pixelSize(dm));

    const qint32 bufferSize = maxHeaderLength() + 1;
    quint8 *headerBuffer = new quint8[bufferSize];

    qint32 x, y;
    qint32 width, height;

    stream->readLine((char *)headerBuffer, bufferSize);
    sscanf((char *) headerBuffer, "%d,%d,%d,%d", &x, &y, &width, &height);

    qint32 row = yToRow(dm, y);
    qint32 col = xToCol(dm, x);

    KisTileSP tile = dm->getTile(col, row, true);

    tile->lockForWrite();
    stream->read((char *)tile->data(), tileDataSize);
    tile->unlock();
}

Example #7

File: kis_legacy_tile_compressor.cpp Project: abhishekmurthy/Calligra

qint32 KisLegacyTileCompressor::tileDataBufferSize(KisTileData *tileData)
{
    return TILE_DATA_SIZE(tileData->pixelSize());;
}