projects / wxWidgets.git / blame
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|---|---|---|
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1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/common/colourcmn.cpp | |
| 3 | // Purpose: wxColourBase implementation | |
| 4 | // Author: Francesco Montorsi | |
| 5 | // Modified by: | |
| 6 | // Created: 20/4/2006 | |
| 7 | // RCS-ID: $Id$ | |
| 8 | // Copyright: (c) Francesco Montorsi | |
| 9 | // Licence: wxWindows licence | |
| 10 | ///////////////////////////////////////////////////////////////////////////// | |
| 11 | ||
| 12 | ||
| 13 | // For compilers that support precompilation, includes "wx.h". | |
| 14 | #include "wx/wxprec.h" | |
| 15 | ||
| 16 | #ifdef __BORLANDC__ | |
| 17 | #pragma hdrstop | |
| 18 | #endif | |
| 19 | ||
| 20 | #include "wx/colour.h" | |
| 21 | ||
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22 | #include "wx/gdicmn.h" |
| 23 | #include "wx/log.h" | |
| 24 | ||
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25 | |
| 26 | ||
| 27 | // ============================================================================ | |
| 28 | // wxString <-> wxColour conversions | |
| 29 | // ============================================================================ | |
| 30 | ||
| 31 | bool wxColourBase::FromString(const wxChar *str) | |
| 32 | { | |
| 33 | if ( str == NULL || str[0] == wxT('\0')) | |
| 34 | return false; // invalid or empty string | |
| 35 | ||
| 36 | if ( wxStrncmp(str, wxT("RGB"), 3) == 0 || | |
| 37 | wxStrncmp(str, wxT("rgb"), 3) == 0 ) | |
| 38 | { | |
| 39 | // RGB specification CSS-like | |
| 40 | int red, green, blue; | |
| 41 | if (wxSscanf(&str[3], wxT("(%d, %d, %d)"), &red, &green, &blue) != 3) | |
| 42 | return false; | |
| 43 | ||
| 44 | Set((unsigned char)red, (unsigned char)green, (unsigned char)blue); | |
| 45 | } | |
| 46 | else if ( str[0] == wxT('#') && wxStrlen(str) == 7 ) | |
| 47 | { | |
| 48 | // hexadecimal prefixed with # (HTML syntax) | |
| 49 | unsigned long tmp; | |
| 50 | if (wxSscanf(&str[1], wxT("%lX"), &tmp) != 1) | |
| 51 | return false; | |
| 52 | ||
| 53 | Set(tmp); // set from packed long | |
| 54 | } | |
| 55 | else if (wxTheColourDatabase) // a colour name ? | |
| 56 | { | |
| 57 | // we can't do | |
| 58 | // *this = wxTheColourDatabase->Find(str) | |
| 59 | // because this place can be called from constructor | |
| 60 | // and 'this' could not be available yet | |
| 61 | wxColour clr = wxTheColourDatabase->Find(str); | |
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62 | if (clr.Ok()) |
| 63 | Set((unsigned char)clr.Red(), | |
| 64 | (unsigned char)clr.Green(), | |
| 65 | (unsigned char)clr.Blue()); | |
| 40989e46 WS |
66 | } |
| 67 | ||
| 68 | if (Ok()) | |
| 69 | return true; | |
| 70 | ||
| 71 | wxLogDebug(wxT("wxColour::Set - couldn't set to colour string '%s'"), str); | |
| 72 | return false; | |
| 73 | } | |
| 74 | ||
| 75 | wxString wxColourBase::GetAsString(long flags) const | |
| 76 | { | |
| 77 | wxString colName; | |
| 78 | ||
| 79 | if (flags & wxC2S_NAME) | |
| 80 | colName = wxTheColourDatabase->FindName((const wxColour &)(*this)).MakeLower(); | |
| 81 | ||
| 82 | if ( colName.empty() && (flags & wxC2S_CSS_SYNTAX) ) | |
| 83 | { | |
| 84 | // no name for this colour; return it in CSS syntax | |
| 85 | colName.Printf(wxT("rgb(%d, %d, %d)"), | |
| 86 | Red(), Green(), Blue()); | |
| 87 | } | |
| 88 | else if ( colName.empty() && (flags & wxC2S_HTML_SYNTAX) ) | |
| 89 | { | |
| 90 | // no name for this colour; return it in HTML syntax | |
| 91 | colName.Printf(wxT("#%02X%02X%02X"), | |
| 92 | Red(), Green(), Blue()); | |
| 93 | } | |
| 94 | ||
| 95 | // this function always returns a non-empty string | |
| 96 | wxASSERT_MSG(!colName.empty(), | |
| 97 | wxT("Invalid wxColour -> wxString conversion flags")); | |
| 98 | ||
| 99 | return colName; | |
| 100 | } | |
| 101 | ||
| 102 | wxColour wxColourBase::CreateByName(const wxString& name) | |
| 103 | { | |
| 104 | return wxColour(name); | |
| 105 | } |