dd05139a80
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39797 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
124 lines
3.5 KiB
C++
124 lines
3.5 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: src/common/colourcmn.cpp
|
|
// Purpose: wxColourBase implementation
|
|
// Author: Francesco Montorsi
|
|
// Modified by:
|
|
// Created: 20/4/2006
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) Francesco Montorsi
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
// For compilers that support precompilation, includes "wx.h".
|
|
#include "wx/wxprec.h"
|
|
|
|
#ifdef __BORLANDC__
|
|
#pragma hdrstop
|
|
#endif
|
|
|
|
#include "wx/colour.h"
|
|
|
|
#ifndef WX_PRECOMP
|
|
#include "wx/log.h"
|
|
#include "wx/utils.h"
|
|
#include "wx/gdicmn.h"
|
|
#endif
|
|
|
|
|
|
// ============================================================================
|
|
// wxString <-> wxColour conversions
|
|
// ============================================================================
|
|
|
|
bool wxColourBase::FromString(const wxChar *str)
|
|
{
|
|
if ( str == NULL || str[0] == wxT('\0'))
|
|
return false; // invalid or empty string
|
|
|
|
if ( wxStrncmp(str, wxT("RGB"), 3) == 0 ||
|
|
wxStrncmp(str, wxT("rgb"), 3) == 0 )
|
|
{
|
|
// CSS-like RGB specification
|
|
// according to http://www.w3.org/TR/REC-CSS2/syndata.html#color-units
|
|
// values outside 0-255 range are allowed but should be clipped
|
|
int red, green, blue;
|
|
if (wxSscanf(&str[3], wxT("(%d, %d, %d)"), &red, &green, &blue) != 3)
|
|
return false;
|
|
|
|
Set((unsigned char)wxClip(red,0,255),
|
|
(unsigned char)wxClip(green,0,255),
|
|
(unsigned char)wxClip(blue,0,255));
|
|
}
|
|
else if ( str[0] == wxT('#') && wxStrlen(str) == 7 )
|
|
{
|
|
// hexadecimal prefixed with # (HTML syntax)
|
|
unsigned long tmp;
|
|
if (wxSscanf(&str[1], wxT("%lx"), &tmp) != 1)
|
|
return false;
|
|
|
|
Set((unsigned char)(tmp >> 16),
|
|
(unsigned char)(tmp >> 8),
|
|
(unsigned char)tmp);
|
|
}
|
|
else if (wxTheColourDatabase) // a colour name ?
|
|
{
|
|
// we can't do
|
|
// *this = wxTheColourDatabase->Find(str)
|
|
// because this place can be called from constructor
|
|
// and 'this' could not be available yet
|
|
wxColour clr = wxTheColourDatabase->Find(str);
|
|
if (clr.Ok())
|
|
Set((unsigned char)clr.Red(),
|
|
(unsigned char)clr.Green(),
|
|
(unsigned char)clr.Blue());
|
|
}
|
|
|
|
if (Ok())
|
|
return true;
|
|
|
|
wxLogDebug(wxT("wxColour::Set - couldn't set to colour string '%s'"), str);
|
|
return false;
|
|
}
|
|
|
|
wxString wxColourBase::GetAsString(long flags) const
|
|
{
|
|
wxString colName;
|
|
|
|
if (flags & wxC2S_NAME)
|
|
colName = wxTheColourDatabase->FindName((const wxColour &)(*this)).MakeLower();
|
|
|
|
if ( colName.empty() && (flags & wxC2S_CSS_SYNTAX) )
|
|
{
|
|
// no name for this colour; return it in CSS syntax
|
|
colName.Printf(wxT("rgb(%d, %d, %d)"),
|
|
Red(), Green(), Blue());
|
|
}
|
|
else if ( colName.empty() && (flags & wxC2S_HTML_SYNTAX) )
|
|
{
|
|
// no name for this colour; return it in HTML syntax
|
|
colName.Printf(wxT("#%02X%02X%02X"),
|
|
Red(), Green(), Blue());
|
|
}
|
|
|
|
// this function always returns a non-empty string
|
|
wxASSERT_MSG(!colName.empty(),
|
|
wxT("Invalid wxColour -> wxString conversion flags"));
|
|
|
|
return colName;
|
|
}
|
|
|
|
#if WXWIN_COMPATIBILITY_2_6
|
|
|
|
// static
|
|
wxColour wxColourBase::CreateByName(const wxString& name)
|
|
{
|
|
return wxColour(name);
|
|
}
|
|
|
|
void wxColourBase::InitFromName(const wxString& col)
|
|
{
|
|
Set(col);
|
|
}
|
|
|
|
#endif // WXWIN_COMPATIBILITY_2_6
|