81853b9861
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38907 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
106 lines
3.0 KiB
C++
106 lines
3.0 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/common/colourcmn.cpp
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// Purpose: wxColourBase implementation
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// Author: Francesco Montorsi
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// Modified by:
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// Created: 20/4/2006
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// RCS-ID: $Id$
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// Copyright: (c) Francesco Montorsi
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#include "wx/colour.h"
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#include "wx/gdicmn.h"
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#include "wx/log.h"
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// ============================================================================
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// wxString <-> wxColour conversions
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// ============================================================================
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bool wxColourBase::FromString(const wxChar *str)
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{
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if ( str == NULL || str[0] == wxT('\0'))
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return false; // invalid or empty string
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if ( wxStrncmp(str, wxT("RGB"), 3) == 0 ||
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wxStrncmp(str, wxT("rgb"), 3) == 0 )
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{
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// RGB specification CSS-like
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int red, green, blue;
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if (wxSscanf(&str[3], wxT("(%d, %d, %d)"), &red, &green, &blue) != 3)
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return false;
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Set((unsigned char)red, (unsigned char)green, (unsigned char)blue);
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}
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else if ( str[0] == wxT('#') && wxStrlen(str) == 7 )
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{
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// hexadecimal prefixed with # (HTML syntax)
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unsigned long tmp;
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if (wxSscanf(&str[1], wxT("%lX"), &tmp) != 1)
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return false;
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Set(tmp); // set from packed long
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}
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else if (wxTheColourDatabase) // a colour name ?
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{
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// we can't do
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// *this = wxTheColourDatabase->Find(str)
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// because this place can be called from constructor
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// and 'this' could not be available yet
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wxColour clr = wxTheColourDatabase->Find(str);
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if (clr.Ok())
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Set((unsigned char)clr.Red(),
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(unsigned char)clr.Green(),
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(unsigned char)clr.Blue());
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}
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if (Ok())
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return true;
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wxLogDebug(wxT("wxColour::Set - couldn't set to colour string '%s'"), str);
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return false;
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}
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wxString wxColourBase::GetAsString(long flags) const
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{
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wxString colName;
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if (flags & wxC2S_NAME)
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colName = wxTheColourDatabase->FindName((const wxColour &)(*this)).MakeLower();
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if ( colName.empty() && (flags & wxC2S_CSS_SYNTAX) )
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{
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// no name for this colour; return it in CSS syntax
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colName.Printf(wxT("rgb(%d, %d, %d)"),
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Red(), Green(), Blue());
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}
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else if ( colName.empty() && (flags & wxC2S_HTML_SYNTAX) )
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{
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// no name for this colour; return it in HTML syntax
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colName.Printf(wxT("#%02X%02X%02X"),
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Red(), Green(), Blue());
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}
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// this function always returns a non-empty string
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wxASSERT_MSG(!colName.empty(),
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wxT("Invalid wxColour -> wxString conversion flags"));
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return colName;
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}
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wxColour wxColourBase::CreateByName(const wxString& name)
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{
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return wxColour(name);
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}
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