add BFont class, with Xft support

1 files changed, 117 insertions, 0 deletions

diff --git a/src/Font.hh b/src/Font.hh
new file mode 100644
index 00000000..38c4b4f8
--- /dev/null
+++ b/src/Font.hh
@@ -0,0 +1,117 @@
+// -*- mode: C++; indent-tabs-mode: nil; -*-
+// Font.hh for Blackbox - an X11 Window manager
+// Copyright (c) 2001 - 2002 Sean 'Shaleh' Perry <shaleh@debian.org>
+// Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+#ifndef   __Font_hh
+#define   __Font_hh
+
+extern "C" {
+#include <X11/Xlib.h>
+
+#ifdef XFT
+#  include <X11/Xft/Xft.h>
+#endif
+}
+
+#include <assert.h>
+
+#include <string>
+
+class BGCCache;
+class BGCCacheItem;
+class BColor;
+
+#include "Screen.hh"
+
+class BFont {
+  /*
+   * static members
+   */
+private:
+//  static bool         _antialias;
+  static std::string  _fallback_font;
+
+public:
+//  inline static bool antialias(void) { return _antialias; }
+//  inline static void setAntialias(bool a) { _antialias = a; }
+
+  inline static std::string fallbackFont(void) { return _fallback_font; }
+  inline static void setFallbackFont(const std::string &f)
+    { _fallback_font = f; }
+
+  /*
+   * instance members
+   */
+private:
+  Display          *_display;
+  BScreen          *_screen;
+
+  std::string       _name;
+  bool              _simplename;  // true if not spec'd as a -*-* string
+  int               _size;
+  bool              _bold;
+  bool              _italic;
+
+#ifdef XFT
+  XftFont          *_xftfont;
+#endif
+  
+  // standard
+  XFontStruct      *_font;
+  // multibyte
+  XFontSet          _fontset;
+  XFontSetExtents  *_fontset_extents;
+
+  std::string buildXlfdName(bool mb) const;
+
+  bool init(const std::string &xlfd = "");
+  bool createFont(void);
+  bool parseFontString(const std::string &xlfd);
+  
+  mutable BGCCache *_cache;
+  mutable BGCCacheItem *_item;
+
+  bool              _valid;
+
+public:
+  BFont(Display *d, BScreen *screen, const std::string &family, int size,
+        bool bold, bool italic);
+  BFont(Display *d, BScreen *screen, const std::string &xlfd);
+  virtual ~BFont();
+
+  inline bool valid(void) const { return _valid; }
+
+  inline std::string name(void) const { assert(_valid); return _name; }
+  inline int size(void) const { assert(_valid); return _size / 10; }
+  inline bool bold(void) const { assert(_valid); return _bold; }
+  inline bool italic(void) const { assert(_valid); return _italic; }
+
+  unsigned int height(void) const;
+  unsigned int maxCharWidth(void) const;
+
+  unsigned int measureString(const std::string &string) const;
+
+  void drawString(Drawable d, int x, int y, const BColor &color,
+                  const std::string &string) const;
+};
+
+#endif // __Font_hh