qcolor_p.cpp File Reference

#include "qglobal.h"
#include "qrgb.h"
#include "qstringlist.h"

Go to the source code of this file.

Classes
struct	RGBData

Macros
#define	rgb(r, g, b)   (0xff000000 | (r << 16) | (g << 8) | b)

Functions
static bool	get_named_rgb (const char *name_no_space, QRgb *rgb)
static int	h2i (char hex)
static int	hex2int (const char *s)
static int	hex2int (char s)
bool	operator< (const char *name, const RGBData &data)
bool	operator< (const RGBData &data, const char *name)
QStringList	qt_get_colornames ()
bool	qt_get_hex_rgb (const char *name, QRgb *rgb)
bool	qt_get_hex_rgb (const QChar *str, int len, QRgb *rgb)
bool	qt_get_named_rgb (const char *name, QRgb *rgb)
bool	qt_get_named_rgb (const QChar *name, int len, QRgb *rgb)
uint	qt_get_rgb_val (const char *name)

Variables
static const struct RGBData	rgbTbl []
static const int	rgbTblSize = sizeof(rgbTbl) / sizeof(RGBData)

Macro Definition Documentation

rgb

#define rgb	(		r,
			g,
			b
	)		(0xff000000 | (r << 16) | (g << 8) | b)

Definition at line 130 of file qcolor_p.cpp.

Referenced by QPdfEnginePrivate::addImage(), QVistaHelper::basicWindowFrameColor(), buttonChange(), QtopiaPrintEngine::clearPage(), compressHelper(), convert_RGB_to_Indexed8(), QVNCServer::convertPixels(), QColorShower::currentQColor(), QGIFFormat::decode(), QBitmap::fromData(), QMacPixmapData::fromImage(), QX11PixmapData::fromImage(), QColorDialogPrivate::init(), init_gray(), init_indexed(), QAxServerBase::OnAmbientPropertyChange(), qargb8565::operator quint32(), qargb8555::operator quint32(), qargb8565::operator+(), qargb8555::operator+(), parseColorValue(), QPdf::patternForBrush(), qBrushDark(), qBrushLight(), qBrushSetAlphaF(), qt_conv16ToRgb(), qt_write_dib(), query_colormap(), read_dib_body(), ICOReader::readColorTable(), resolveColor(), QImage::rgbSwapped(), QColorShower::setRgb(), QColor::spec(), QX11PaintEngine::updateBrush(), QX11PaintEngine::updatePen(), write_jpeg_image(), and write_pbm_image().

Function Documentation

get_named_rgb()

static bool get_named_rgb ( const char *  name_no_space, QRgb *  rgb  )

static

Definition at line 295 of file qcolor_p.cpp.

Referenced by qt_get_named_rgb().

{
    QByteArray name = QByteArray(name_no_space).toLower();
    const RGBData *r = qBinaryFind(rgbTbl, rgbTbl + rgbTblSize, name.constData());
    if (r != rgbTbl + rgbTblSize) {
        *rgb = r->value;
        return true;
    }
    return false;
}

h2i()

static int h2i ( char  hex )

inlinestatic

Definition at line 54 of file qcolor_p.cpp.

Referenced by hex2int().

{
    if (hex >= '0' && hex <= '9')
        return hex - '0';
    if (hex >= 'a' && hex <= 'f')
        return hex - 'a' + 10;
    if (hex >= 'A' && hex <= 'F')
        return hex - 'A' + 10;
    return -1;
}

hex2int() [1/2]

static int hex2int ( const char *  s )

inlinestatic

Definition at line 65 of file qcolor_p.cpp.

Referenced by qt_get_hex_rgb().

{
    return (h2i(s[0]) << 4) | h2i(s[1]);
}

hex2int() [2/2]

static int hex2int ( char  s )

inlinestatic

Definition at line 70 of file qcolor_p.cpp.

{
    int h = h2i(s);
    return (h << 4) | h;
}

operator<() [1/2]

bool operator< ( const char *  name, const RGBData &  data  )

inline

Definition at line 290 of file qcolor_p.cpp.

{ return qstrcmp(name, data.name) < 0; }

operator<() [2/2]

bool operator< ( const RGBData &  data, const char *  name  )

inline

Definition at line 292 of file qcolor_p.cpp.

{ return qstrcmp(data.name, name) < 0; }

qt_get_colornames()

QStringList qt_get_colornames

(

)

Definition at line 344 of file qcolor_p.cpp.

Referenced by QColor::colorNames(), and qt_get_colornames().

{
    int i = 0;
    QStringList lst;
    for (i = 0; i < rgbTblSize; i++)
        lst << QLatin1String(rgbTbl[i].name);
    return lst;
}

qt_get_hex_rgb() [1/2]

bool qt_get_hex_rgb	(	const char *	name,
		QRgb *	rgb
	)

Definition at line 76 of file qcolor_p.cpp.

Referenced by qt_get_hex_rgb(), read_xpm_body(), and QColor::setColorFromString().

{
    if(name[0] != '#')
        return false;
    name++;
    int len = qstrlen(name);
    int r, g, b;
    if (len == 12) {
        r = hex2int(name);
        g = hex2int(name + 4);
        b = hex2int(name + 8);
    } else if (len == 9) {
        r = hex2int(name);
        g = hex2int(name + 3);
        b = hex2int(name + 6);
    } else if (len == 6) {
        r = hex2int(name);
        g = hex2int(name + 2);
        b = hex2int(name + 4);
    } else if (len == 3) {
        r = hex2int(name[0]);
        g = hex2int(name[1]);
        b = hex2int(name[2]);
    } else {
        r = g = b = -1;
    }
    if ((uint)r > 255 || (uint)g > 255 || (uint)b > 255) {
        *rgb = 0;
        return false;
    }
    *rgb = qRgb(r, g ,b);
    return true;
}

qt_get_hex_rgb() [2/2]

bool qt_get_hex_rgb	(	const QChar *	str,
		int	len,
		QRgb *	rgb
	)

Definition at line 110 of file qcolor_p.cpp.

{
    if (len > 13)
        return false;
    char tmp[16];
    for(int i = 0; i < len; ++i)
        tmp[i] = str[i].toLatin1();
    tmp[len] = 0;
    return qt_get_hex_rgb(tmp, rgb);
}

qt_get_named_rgb() [1/2]

bool qt_get_named_rgb	(	const char *	name,
		QRgb *	rgb
	)

Definition at line 306 of file qcolor_p.cpp.

Referenced by qt_get_colornames(), qt_get_rgb_val(), and QColor::setColorFromString().

{
    int len = int(strlen(name));
    if(len > 255)
        return false;
    char name_no_space[256];
    int pos = 0;
    for(int i = 0; i < len; i++) {
        if(name[i] != '\t' && name[i] != ' ')
            name_no_space[pos++] = name[i];
    }
    name_no_space[pos] = 0;

    return get_named_rgb(name_no_space, rgb);
}

qt_get_named_rgb() [2/2]

bool qt_get_named_rgb	(	const QChar *	name,
		int	len,
		QRgb *	rgb
	)

Definition at line 322 of file qcolor_p.cpp.

{
    if(len > 255)
        return false;
    char name_no_space[256];
    int pos = 0;
    for(int i = 0; i < len; i++) {
        if(name[i] != QLatin1Char('\t') && name[i] != QLatin1Char(' '))
            name_no_space[pos++] = name[i].toLatin1();
    }
    name_no_space[pos] = 0;
    return get_named_rgb(name_no_space, rgb);
}

qt_get_rgb_val()

uint qt_get_rgb_val

(

const char *

name

)

Definition at line 337 of file qcolor_p.cpp.

Referenced by qt_get_colornames().

{
    QRgb r = 0;
    qt_get_named_rgb(name,&r);
    return r;
}

Variable Documentation

rgbTbl

const struct RGBData rgbTbl[]

static

Referenced by get_named_rgb(), and qt_get_colornames().

rgbTblSize

const int rgbTblSize = sizeof(rgbTbl) / sizeof(RGBData)

static

Definition at line 286 of file qcolor_p.cpp.

Referenced by get_named_rgb(), and qt_get_colornames().