X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0e1f8ea4a3c2764ec89d95f4edef40257e32ac5b..66c2bf7b1d9326fb650acfaae22ec50528cfbf7c:/include/wx/font.h?ds=sidebyside diff --git a/include/wx/font.h b/include/wx/font.h index 0d70d3f41a..10a6f0e5d7 100644 --- a/include/wx/font.h +++ b/include/wx/font.h @@ -4,7 +4,6 @@ // Author: Vadim Zeitlin // Modified by: // Created: 20.09.99 -// RCS-ID: $Id$ // Copyright: (c) wxWidgets team // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -111,6 +110,145 @@ enum wxFontFlag wxFONTFLAG_STRIKETHROUGH }; +// ---------------------------------------------------------------------------- +// wxFontInfo describes a wxFont +// ---------------------------------------------------------------------------- + +class wxFontInfo +{ +public: + // Default ctor uses the default font size appropriate for the current + // platform. + wxFontInfo() + { InitPointSize(-1); } + + // These ctors specify the font size, either in points or in pixels. + wxEXPLICIT wxFontInfo(int pointSize) + { InitPointSize(pointSize); } + wxEXPLICIT wxFontInfo(const wxSize& pixelSize) : m_pixelSize(pixelSize) + { Init(); } + + // Setters for the various attributes. All of them return the object itself + // so that the calls to them could be chained. + wxFontInfo& Family(wxFontFamily family) + { m_family = family; return *this; } + wxFontInfo& FaceName(const wxString& faceName) + { m_faceName = faceName; return *this; } + + wxFontInfo& Bold(bool bold = true) + { SetFlag(wxFONTFLAG_BOLD, bold); return *this; } + wxFontInfo& Light(bool light = true) + { SetFlag(wxFONTFLAG_LIGHT, light); return *this; } + + wxFontInfo& Italic(bool italic = true) + { SetFlag(wxFONTFLAG_ITALIC, italic); return *this; } + wxFontInfo& Slant(bool slant = true) + { SetFlag(wxFONTFLAG_SLANT, slant); return *this; } + + wxFontInfo& AntiAliased(bool antiAliased = true) + { SetFlag(wxFONTFLAG_ANTIALIASED, antiAliased); return *this; } + wxFontInfo& Underlined(bool underlined = true) + { SetFlag(wxFONTFLAG_UNDERLINED, underlined); return *this; } + wxFontInfo& Strikethrough(bool strikethrough = true) + { SetFlag(wxFONTFLAG_STRIKETHROUGH, strikethrough); return *this; } + + wxFontInfo& Encoding(wxFontEncoding encoding) + { m_encoding = encoding; return *this; } + + + // Set all flags at once. + wxFontInfo& AllFlags(int flags) + { m_flags = flags; return *this; } + + + // Accessors are mostly meant to be used by wxFont itself to extract the + // various pieces of the font description. + + bool IsUsingSizeInPixels() const { return m_pixelSize != wxDefaultSize; } + int GetPointSize() const { return m_pointSize; } + wxSize GetPixelSize() const { return m_pixelSize; } + wxFontFamily GetFamily() const { return m_family; } + const wxString& GetFaceName() const { return m_faceName; } + + wxFontStyle GetStyle() const + { + return m_flags & wxFONTFLAG_ITALIC + ? wxFONTSTYLE_ITALIC + : m_flags & wxFONTFLAG_SLANT + ? wxFONTSTYLE_SLANT + : wxFONTSTYLE_NORMAL; + } + + wxFontWeight GetWeight() const + { + return m_flags & wxFONTFLAG_LIGHT + ? wxFONTWEIGHT_LIGHT + : m_flags & wxFONTFLAG_BOLD + ? wxFONTWEIGHT_BOLD + : wxFONTWEIGHT_NORMAL; + } + + bool IsAntiAliased() const + { + return (m_flags & wxFONTFLAG_ANTIALIASED) != 0; + } + + bool IsUnderlined() const + { + return (m_flags & wxFONTFLAG_UNDERLINED) != 0; + } + + bool IsStrikethrough() const + { + return (m_flags & wxFONTFLAG_STRIKETHROUGH) != 0; + } + + wxFontEncoding GetEncoding() const { return m_encoding; } + + + // Default copy ctor, assignment operator and dtor are OK. + +private: + // Common part of all ctor, initializing everything except the size (which + // is initialized by the ctors themselves). + void Init() + { + m_family = wxFONTFAMILY_DEFAULT; + m_flags = wxFONTFLAG_DEFAULT; + m_encoding = wxFONTENCODING_DEFAULT; + } + + void InitPointSize(int pointSize) + { + Init(); + + m_pointSize = pointSize; + m_pixelSize = wxDefaultSize; + } + + // Turn on or off the given bit in m_flags depending on the value of the + // boolean argument. + void SetFlag(int flag, bool on) + { + if ( on ) + m_flags |= flag; + else + m_flags &= ~flag; + } + + // The size information: if m_pixelSize is valid (!= wxDefaultSize), then + // it is used. Otherwise m_pointSize is used, taking into account that if + // it is == -1, it means that the platform dependent font size should be + // used. + int m_pointSize; + wxSize m_pixelSize; + + wxFontFamily m_family; + wxString m_faceName; + int m_flags; + wxFontEncoding m_encoding; +}; + // ---------------------------------------------------------------------------- // wxFontBase represents a font object // ---------------------------------------------------------------------------- @@ -124,6 +262,7 @@ public: derived classes should provide the following ctors: wxFont(); + wxFont(const wxFontInfo& info); wxFont(const wxString& nativeFontInfoString); wxFont(const wxNativeFontInfo& info); wxFont(int size, @@ -227,6 +366,7 @@ public: virtual wxFontStyle GetStyle() const = 0; virtual wxFontWeight GetWeight() const = 0; virtual bool GetUnderlined() const = 0; + virtual bool GetStrikethrough() const { return false; } virtual wxString GetFaceName() const = 0; virtual wxFontEncoding GetEncoding() const = 0; virtual const wxNativeFontInfo *GetNativeFontInfo() const = 0; @@ -244,6 +384,7 @@ public: virtual void SetWeight( wxFontWeight weight ) = 0; virtual void SetUnderlined( bool underlined ) = 0; + virtual void SetStrikethrough( bool WXUNUSED(strikethrough) ) {} virtual void SetEncoding(wxFontEncoding encoding) = 0; virtual bool SetFaceName( const wxString& faceName ); void SetNativeFontInfo(const wxNativeFontInfo& info) @@ -290,6 +431,37 @@ protected: // wxFONTFAMILY_UNKNOWN unlike the public method (see comment there). virtual wxFontFamily DoGetFamily() const = 0; + + // Helper functions to recover wxFONTSTYLE/wxFONTWEIGHT and underlined flag + // values from flags containing a combination of wxFONTFLAG_XXX. + static wxFontStyle GetStyleFromFlags(int flags) + { + return flags & wxFONTFLAG_ITALIC + ? wxFONTSTYLE_ITALIC + : flags & wxFONTFLAG_SLANT + ? wxFONTSTYLE_SLANT + : wxFONTSTYLE_NORMAL; + } + + static wxFontWeight GetWeightFromFlags(int flags) + { + return flags & wxFONTFLAG_LIGHT + ? wxFONTWEIGHT_LIGHT + : flags & wxFONTFLAG_BOLD + ? wxFONTWEIGHT_BOLD + : wxFONTWEIGHT_NORMAL; + } + + static bool GetUnderlinedFromFlags(int flags) + { + return (flags & wxFONTFLAG_UNDERLINED) != 0; + } + + static bool GetStrikethroughFromFlags(int flags) + { + return (flags & wxFONTFLAG_STRIKETHROUGH) != 0; + } + private: // the currently default encoding: by default, it's the default system // encoding, but may be changed by the application using @@ -329,6 +501,7 @@ WXDLLIMPEXP_CORE bool wxFromString(const wxString& str, wxFontBase* font); wxFont& MakeBold(); \ wxFont& MakeItalic(); \ wxFont& MakeUnderlined(); \ + wxFont& MakeStrikethrough(); \ wxFont& MakeLarger() { return Scale(1.2f); } \ wxFont& MakeSmaller() { return Scale(1/1.2f); } \ wxFont& Scale(float x); \ @@ -336,6 +509,7 @@ WXDLLIMPEXP_CORE bool wxFromString(const wxString& str, wxFontBase* font); wxFont Bold() const; \ wxFont Italic() const; \ wxFont Underlined() const; \ + wxFont Strikethrough() const; \ wxFont Larger() const { return Scaled(1.2f); } \ wxFont Smaller() const { return Scaled(1/1.2f); } \ wxFont Scaled(float x) const