QPFGlyphTree Class Reference

Public Functions
void	dump (int indent=0)
QPFGlyph *	get (glyph_t g)
bool	inFont (glyph_t g) const
	QPFGlyphTree (uchar *&data)
int	totalChars () const
int	weight () const
	~QPFGlyphTree ()

Public Variables
QPFGlyph *	glyph
QPFGlyphTree *	less
glyph_t	max
glyph_t	min
QPFGlyphTree *	more

Private Functions
	QPFGlyphTree ()
void	read (uchar *&data)
void	readData (uchar *&data)
void	readMetrics (uchar *&data)
void	readNode (uchar *&data)

Detailed Description

Definition at line 141 of file qfontengine_qws.cpp.

Constructors and Destructors

QPFGlyphTree() [1/2]

QPFGlyphTree::QPFGlyphTree ( uchar *&  data )

inline

Definition at line 157 of file qfontengine_qws.cpp.

    {
        read(data);
    }

~QPFGlyphTree()

QPFGlyphTree::~QPFGlyphTree ( )

inline

Definition at line 162 of file qfontengine_qws.cpp.

    {
        // NOTE: does not delete glyph[*].metrics or .data.
        //       the caller does this (only they know who owns
        //       the data).  See clear().
        delete less;
        delete more;
        delete [] glyph;
    }

QPFGlyphTree() [2/2]

QPFGlyphTree::QPFGlyphTree ( )

inlineprivate

Definition at line 222 of file qfontengine_qws.cpp.

    {
    }

Functions

dump()

void QPFGlyphTree::dump ( int  indent = 0 )

inline

Definition at line 210 of file qfontengine_qws.cpp.

Referenced by dump().

    {
        for (int i=0; i<indent; i++) printf(" ");
        printf("%d..%d",min,max);
        //if ( indent == 0 )
        printf(" (total %d)",totalChars());
        printf("\n");
        if ( less ) less->dump(indent+1);
        if ( more ) more->dump(indent+1);
    }

get()

QPFGlyph* QPFGlyphTree::get ( glyph_t  g )

inline

Definition at line 186 of file qfontengine_qws.cpp.

Referenced by get().

    {
        if ( g < min ) {
            if ( !less )
                return 0;
            return less->get(g);
        } else if ( g > max ) {
            if ( !more )
                return 0;
            return more->get(g);
        }
        return &glyph[g - min];
    }

inFont()

bool QPFGlyphTree::inFont ( glyph_t  g ) const

inline

Definition at line 172 of file qfontengine_qws.cpp.

Referenced by inFont().

    {
        if ( g < min ) {
            if ( !less )
                return false;
            return less->inFont(g);
        } else if ( g > max ) {
            if ( !more )
                return false;
            return more->inFont(g);
        }
        return true;
    }

read()

void QPFGlyphTree::read ( uchar *&  data )

inlineprivate

Definition at line 226 of file qfontengine_qws.cpp.

    {
        // All node data first
        readNode(data);
        // Then all non-video data
        readMetrics(data);
        // Then all video data
        readData(data);
    }

readData()

void QPFGlyphTree::readData ( uchar *&  data )

inlineprivate

Definition at line 275 of file qfontengine_qws.cpp.

Referenced by readData().

    {
        int n = max-min+1;
        for (int i=0; i<n; i++) {
            QSize s( glyph[i].metrics->width, glyph[i].metrics->height );
            //######### s = qt_screen->mapToDevice( s );
            uint datasize = glyph[i].metrics->linestep * s.height();
            glyph[i].data = data; data += datasize;
        }
        if ( less )
            less->readData(data);
        if ( more )
            more->readData(data);
    }

readMetrics()

void QPFGlyphTree::readMetrics ( uchar *&  data )

inlineprivate

Definition at line 262 of file qfontengine_qws.cpp.

Referenced by readMetrics().

    {
        int n = max-min+1;
        for (int i=0; i<n; i++) {
            glyph[i].metrics = (QPFGlyphMetrics*)data;
            data += sizeof(QPFGlyphMetrics);
        }
        if ( less )
            less->readMetrics(data);
        if ( more )
            more->readMetrics(data);
    }

readNode()

void QPFGlyphTree::readNode ( uchar *&  data )

inlineprivate

Definition at line 236 of file qfontengine_qws.cpp.

Referenced by readNode().

    {
        uchar rw = *data++;
        uchar cl = *data++;
        min = (rw << 8) | cl;
        rw = *data++;
        cl = *data++;
        max = (rw << 8) | cl;
        int flags = *data++;
        if ( flags & 1 )
            less = new QPFGlyphTree;
        else
            less = 0;
        if ( flags & 2 )
            more = new QPFGlyphTree;
        else
            more = 0;
        int n = max-min+1;
        glyph = new QPFGlyph[n];

        if ( less )
            less->readNode(data);
        if ( more )
            more->readNode(data);
    }

totalChars()

int QPFGlyphTree::totalChars ( ) const

inline

Definition at line 199 of file qfontengine_qws.cpp.

Referenced by totalChars().

    {
        if ( !this ) return 0;
        return max-min+1 + less->totalChars() + more->totalChars();
    }

weight()

int QPFGlyphTree::weight ( ) const

inline

Definition at line 204 of file qfontengine_qws.cpp.

Referenced by weight().

    {
        if ( !this ) return 0;
        return 1 + less->weight() + more->weight();
    }

Properties

glyph

QPFGlyph* QPFGlyphTree::glyph

Definition at line 155 of file qfontengine_qws.cpp.

less

QPFGlyphTree* QPFGlyphTree::less

Definition at line 153 of file qfontengine_qws.cpp.

max

glyph_t QPFGlyphTree::max

Definition at line 152 of file qfontengine_qws.cpp.

min

glyph_t QPFGlyphTree::min

Definition at line 152 of file qfontengine_qws.cpp.

more

QPFGlyphTree* QPFGlyphTree::more

Definition at line 154 of file qfontengine_qws.cpp.

---

The documentation for this class was generated from the following file:

• /src/gui/text/qfontengine_qws.cpp