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colour.cc
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colour.cc
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/* colour.cc -- Implementation of device colour objects
Copyright (C) 1998-2013, Brian Bray
*/
#include "bw/bwassert.h"
#include "bw/string.h"
#include "bw/tools.h"
#include <X11/Xlib.h>
#include "fcolour.h"
namespace bw {
// Totally unimplemented functions
void FColour::setGCV( const Colour& clr, unsigned long& vm, XGCValues& xgcv )
{
vm |= GCForeground;
xgcv.foreground = ((clr.r&0xff) << 16) |
((clr.g&0xff) << 8) |
(clr.b&0xff);
// TODO: More complex colours and visuals. This could affect:
// tile, stipple, ts_[xy]_origin
}
void FColour::setGCVBack( const Colour& clr, unsigned long& vm, XGCValues& xgcv )
{
vm |= GCBackground;
xgcv.background = ((clr.r&0xff) << 16) |
((clr.g&0xff) << 8) |
(clr.b&0xff);
// TODO: More complex colours and visuals.
}
class SysPalette : public Palette {
public:
SysPalette();
~SysPalette();
virtual int pixelRange() const {
bwassert(false);
return 0;
}; // TODO
virtual int numColours() const {
bwassert(false);
return 0;
}; // TODO
virtual Pixel lookup(Colour c) const {
bwassert(false);
return Pixel();
}; // TODO
virtual Pixel allocate(Colour c) {
bwassert(false);
return Pixel();
}; // TODO
virtual void set(Pixel p, Colour c) {
bwassert(false);
}; // TODO
virtual Colour operator[](const Pixel p) const;
virtual Colour& operator[](const Pixel p);
private:
Colour m_aclr[NUMSYSCOLOUR];
};
SysPalette::SysPalette()
{
// TODO: Get these from configuration options
m_aclr[Black] = Colour( 0, 0, 0 );
m_aclr[White] = Colour( 255, 255, 255 );
m_aclr[DarkShadow] = Colour( 64, 64, 64 );
m_aclr[Shadow] = Colour( 128, 128, 128 );
m_aclr[Face] = Colour( 160, 160, 160 );
m_aclr[Light] = Colour( 192, 192, 192 );
m_aclr[BrightLight] = Colour( 224, 224, 224 );
m_aclr[ButtonText] = Colour( 0, 0, 0 );
m_aclr[GreyText] = Colour( 96, 96, 96 );
m_aclr[ControlSurface] = Colour( 160, 160, 160 );
m_aclr[Workspace] = Colour( 47, 79, 79 ); // DarkSlateGrey
m_aclr[TextBack] = Colour( 160, 160, 160 );
m_aclr[Text] = Colour( 0, 0, 0 );
m_aclr[HighlightBack] = Colour( 255, 250, 205 );
m_aclr[Highlight] = Colour( 0, 0, 0 );
m_aclr[TipBack] = Colour( 255, 255, 224 );
m_aclr[TipText] = Colour( 0, 0, 0 );
m_aclr[MenuBack] = Colour( 160, 160, 160 );
m_aclr[MenuText] = Colour( 0, 0, 0 );
m_aclr[MenuHighlightBack] = Colour( 0, 0, 255 );
m_aclr[MenuHighlightText] = Colour( 255, 255, 255 );
m_aclr[MenuGreyText] = Colour( 128, 128, 128 );
m_aclr[ScrollSurface] = Colour( 160, 160, 160 );
m_aclr[HotLinkText] = Colour( 0, 0, 255 );
m_aclr[VisitedText] = Colour( 255, 0, 255 );
}
SysPalette::~SysPalette()
{}
Colour SysPalette::operator[](const Pixel p) const
{
bwassert( p>=0 && p<NUMSYSCOLOUR );
return m_aclr[p];
}
Colour& SysPalette::operator[](const Pixel p)
{
bwassert( false ); // Should not occur
throw "Attempt to modify system colour."; //TODO Correct exception
}
const Palette& getSysPalette()
{
static SysPalette TheSysPalette;
return TheSysPalette;
}
Colour getSysColour( StyleIndex cindx )
{
return getSysPalette()[cindx];
}
} // NAMESPACE