Exemplo n.º 1
0
 void check() const
 {
     if (!sourced() && !indexed())
     {
         throw std::runtime_error("Session has no backing data.");
     }
 }
Exemplo n.º 2
0
 bool all_indexed() {
   bool allIndexed = true;
   for (size_t rNum = 0; rNum < m_nFiles; ++rNum)
     if (!indexed(rNum))
       allIndexed = false;
   return allIndexed;
 }
Exemplo n.º 3
0
void loadIndex(const char *indexFilename, std::vector<std::vector<uint32_t>> &index) {
    std::ifstream indexFile(indexFilename);
    while (!indexFile.eof()) {
        uint32_t length;
        indexFile.read(reinterpret_cast<char *>(&length), sizeof(uint32_t));
        std::vector<uint32_t> indexed(length);
        indexFile.read(reinterpret_cast<char *>(indexed.data()), sizeof(uint32_t) * length);
        index.push_back(indexed);
    }
    indexFile.close();
}
Exemplo n.º 4
0
 bool QueryPlan::queryBoundsExactOrderSuffix() const {
     if ( !indexed() ||
          !_frs.matchPossible() ||
          !_frs.mustBeExactMatchRepresentation() ) {
         return false;
     }
     BSONObj idxKey = indexKey();
     BSONObjIterator index( idxKey );
     BSONObjIterator order( _order );
     int coveredNonUniversalRanges = 0;
     while( index.more() ) {
         const FieldRange& indexFieldRange = _frs.range( (*index).fieldName() );
         if ( !indexFieldRange.isPointIntervalSet() ) {
             if ( !indexFieldRange.universal() ) {
                 // The last indexed range may be a non point set containing a single interval.
                 // SERVER-5777
                 if ( indexFieldRange.intervals().size() > 1 ) {
                     return false;
                 }
                 ++coveredNonUniversalRanges;
             }
             break;
         }
         ++coveredNonUniversalRanges;
         if ( order.more() && str::equals( (*index).fieldName(), (*order).fieldName() ) ) {
             ++order;
         }
         ++index;
     }
     if ( coveredNonUniversalRanges != _frs.numNonUniversalRanges() ) {
         return false;
     }
     while( index.more() && order.more() ) {
         if ( !str::equals( (*index).fieldName(), (*order).fieldName() ) ) {
             return false;
         }
         if ( ( elementDirection( *index ) < 0 ) != ( elementDirection( *order ) < 0 ) ) {
             return false;
         }
         ++order;
         ++index;
     }
     return !order.more();
 }
QImage QWindowsFontEngineDirectWrite::alphaMapForGlyph(glyph_t glyph, QFixed subPixelPosition)
{
    QImage im = imageForGlyph(glyph, subPixelPosition, 0, QTransform());

    QImage indexed(im.width(), im.height(), QImage::Format_Indexed8);
    QVector<QRgb> colors(256);
    for (int i=0; i<256; ++i)
        colors[i] = qRgba(0, 0, 0, i);
    indexed.setColorTable(colors);

    for (int y=0; y<im.height(); ++y) {
        uint *src = (uint*) im.scanLine(y);
        uchar *dst = indexed.scanLine(y);
        for (int x=0; x<im.width(); ++x) {
            *dst = 255 - (m_fontEngineData->pow_gamma[qGray(0xffffffff - *src)] * 255. / 2047.);
            ++dst;
            ++src;
        }
    }

    return indexed;
}
Exemplo n.º 6
0
QImage QFontEngineMac::alphaMapForGlyph(glyph_t glyph)
{
    const glyph_metrics_t br = boundingBox(glyph);
    QImage im(qRound(br.width)+2, qRound(br.height)+2, QImage::Format_RGB32);
    im.fill(0);

    CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceRGB();
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
    uint cgflags = kCGImageAlphaNoneSkipFirst;
#ifdef kCGBitmapByteOrder32Host //only needed because CGImage.h added symbols in the minor version
    if(QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4)
        cgflags |= kCGBitmapByteOrder32Host;
#endif
#else
    CGImageAlphaInfo cgflags = kCGImageAlphaNoneSkipFirst;
#endif
    CGContextRef ctx = CGBitmapContextCreate(im.bits(), im.width(), im.height(),
                                             8, im.bytesPerLine(), colorspace,
                                             cgflags);
    CGColorSpaceRelease(colorspace);
    CGContextSetFontSize(ctx, fontDef.pixelSize);
    CGContextSetShouldAntialias(ctx, fontDef.pointSize > qt_antialiasing_threshold && !(fontDef.styleStrategy & QFont::NoAntialias));
    CGAffineTransform oldTextMatrix = CGContextGetTextMatrix(ctx);
    CGAffineTransform cgMatrix = CGAffineTransformMake(1, 0, 0, 1, 0, 0);
    CGAffineTransformConcat(cgMatrix, oldTextMatrix);

    if (synthesisFlags & QFontEngine::SynthesizedItalic)
        cgMatrix = CGAffineTransformConcat(cgMatrix, CGAffineTransformMake(1, 0, tanf(14 * acosf(0) / 90), 1, 0, 0));

    cgMatrix = CGAffineTransformConcat(cgMatrix, multiEngine->transform);

    CGContextSetTextMatrix(ctx, cgMatrix);
    CGContextSetRGBFillColor(ctx, 1, 1, 1, 1);
    CGContextSetTextDrawingMode(ctx, kCGTextFill);
    CGContextSetFont(ctx, cgFont);

    qreal pos_x = -br.x.toReal()+1, pos_y = im.height()+br.y.toReal();
    CGContextSetTextPosition(ctx, pos_x, pos_y);

    CGSize advance;
    advance.width = 0;
    advance.height = 0;
    CGGlyph cgGlyph = glyph;
    CGContextShowGlyphsWithAdvances(ctx, &cgGlyph, &advance, 1);

    if (synthesisFlags & QFontEngine::SynthesizedBold) {
        CGContextSetTextPosition(ctx, pos_x + 0.5 * lineThickness().toReal(), pos_y);
        CGContextShowGlyphsWithAdvances(ctx, &cgGlyph, &advance, 1);
    }

    CGContextRelease(ctx);

    QImage indexed(im.width(), im.height(), QImage::Format_Indexed8);
    QVector<QRgb> colors(256);
    for (int i=0; i<256; ++i)
        colors[i] = qRgba(0, 0, 0, i);
    indexed.setColorTable(colors);

    for (int y=0; y<im.height(); ++y) {
        uint *src = (uint*) im.scanLine(y);
        uchar *dst = indexed.scanLine(y);
        for (int x=0; x<im.width(); ++x) {
            *dst = qGray(*src);
            ++dst;
            ++src;
        }
    }

    return indexed;
}
Exemplo n.º 7
0
//
//      *  - type ... calgray, calrgb, cielab, icc, [palette]
//      *  - white   = x, z
//      *  - black   = x, y, z
//      *  - range   = amin, amax, bmin, bmax (cielab)
//      *  - gamma   = val [,val, val]        (calgray [,calrgb])
//      *  - matrix  = 9 vals                 (calrgb)
//      *  - profile = file-path              (icc based)
//      *  - name    = sRGB  .. some predefined name
IColorSpaceMan::cs_handle_pair_t
ColorSpaceManImpl::color_space_load(Char const* spec_str)
{
    ParseArgs pargs(&g_cs_kwds, &g_cs_names);
    ParsedResult pres(parse_options(spec_str, pargs));

    unsigned name = pres.explicit_value();
    if (name == ParsedResult::NO_EXPL_VALUE)
        throw exception_invalid_value(msg_invalid_cs_spec()) << JAGLOC;

    cs_str_spec_t spec(name, pres);
    cs_handle_pair_t result;

    switch (name)
    {
    case CSN_SRGB:
        result.first = register_icc_from_memory(binres::icc_srgb,
                                                binres::icc_srgb_size,
                                                3);
        break;

    case CSN_ADOBE_RGB:
        result.first = register_icc_from_memory(binres::icc_adobe_rgb,
                                                binres::icc_adobe_rgb_size,
                                                3);
        break;

    case CSN_BYID:
        if (!spec.id)
            throw exception_invalid_value(msg_invalid_cs_spec()) << JAGLOC;

        result.first = ColorSpaceHandle(
            handle_from_id<RESOURCE_COLOR_SPACE>(spec.id));
        break;

    case CSN_DEVICE_RGB:
        result.first = ColorSpaceHandle(CS_DEVICE_RGB);
        break;

    case CSN_DEVICE_GRAY:
        result.first = ColorSpaceHandle(CS_DEVICE_GRAY);
        break;

    case CSN_DEVICE_CMYK:
        result.first = ColorSpaceHandle(CS_DEVICE_CMYK);
        break;

    case CSN_CALGRAY:
    {
        intrusive_ptr<ICIECalGray> gray(define_calgray());
        set_cie_base(spec, *gray);
        if (!spec.gamma.empty())
            gray->gamma(spec.gamma[0]);

        result.first = color_space_load(gray);
        break;
    }

    case CSN_CALRGB:
    {
        intrusive_ptr<ICIECalRGB> rgb(define_calrgb());
        set_cie_base(spec, *rgb);
        if (!spec.gamma.empty())
        {
            JAG_ASSERT(spec.gamma.size()==3);
            rgb->gamma(spec.gamma[0], spec.gamma[1], spec.gamma[2]);
        }
        if (!spec.matrix.empty())
        {
            JAG_ASSERT(spec.matrix.size()==9);
            rgb->matrix(spec.matrix[0], spec.matrix[1], spec.matrix[2],
                        spec.matrix[3], spec.matrix[4], spec.matrix[5],
                        spec.matrix[6], spec.matrix[7], spec.matrix[8]);
        }
        result.first = color_space_load(rgb);
        break;
    }

    case CSN_CIELAB:
    {
        intrusive_ptr<ICIELab> lab(define_cielab());
        set_cie_base(spec, *lab);

        if (!spec.range.empty())
        {
            JAG_ASSERT(4 == spec.range.size());
            lab->range(spec.range[0], spec.range[1], spec.range[2], spec.range[3]);
        }
        result.first = color_space_load(lab);
        break;
    }

    case CSN_ICC:
    {
        if (-1==spec.components || spec.icc_profile.empty())
            throw exception_invalid_value(msg_invalid_cs_spec()) << JAGLOC;

        intrusive_ptr<IICCBased> icc(define_iccbased());
        icc->num_components(spec.components);
        icc->icc_profile(spec.icc_profile.c_str());
        result.first = color_space_load(icc);
        break;
    }


    default:
        ;
    } // switch


    JAG_ASSERT(is_valid(result.first));

    // is it palette?
    if (!spec.palette.empty())
    {
        intrusive_ptr<IPalette> indexed(define_indexed());
        indexed->set(
            id_from_handle<ColorSpace>(result.first),
            &spec.palette[0],
            static_cast<UInt>(spec.palette.size()));
        result.second = result.first;
        result.first = color_space_load(indexed);
    }

    return result;
}