diff options
Diffstat (limited to 'FL')
| -rw-r--r-- | FL/x.H | 28 |
1 files changed, 26 insertions, 2 deletions
@@ -65,11 +65,35 @@ extern FL_EXPORT int fl_screen; extern FL_EXPORT XVisualInfo *fl_visual; extern FL_EXPORT Colormap fl_colormap; +// access to core fonts: +// This class provides a "smart pointer" that returns a pointer to an XFontStruct. +// The global variable fl_xfont can be called wherever a bitmap "core" font is +// needed, e.g. when rendering to a GL context under X11. +// With Xlib / X11 fonts, fl_xfont will return the current selected font. +// With XFT / X11 fonts, fl_xfont will attempt to return the bitmap "core" font most +// similar to (usually the same as) the current XFT font. +class Fl_XFont_On_Demand +{ +public: + Fl_XFont_On_Demand(XFontStruct* p = NULL) : ptr(p) { } + Fl_XFont_On_Demand& operator=(const Fl_XFont_On_Demand& x) + { ptr = x.ptr; return *this; } + Fl_XFont_On_Demand& operator=(XFontStruct* p) + { ptr = p; return *this; } + XFontStruct* value(); + operator XFontStruct*() { return value(); } + XFontStruct& operator*() { return *value(); } + XFontStruct* operator->() { return value(); } + bool operator==(const Fl_XFont_On_Demand& x) { return ptr == x.ptr; } + bool operator!=(const Fl_XFont_On_Demand& x) { return ptr != x.ptr; } +private: + XFontStruct *ptr; +}; +extern FL_EXPORT Fl_XFont_On_Demand fl_xfont; + // drawing functions: extern FL_EXPORT GC fl_gc; extern FL_EXPORT Window fl_window; -//extern FL_EXPORT XFontStruct* fl_xfont; -extern FL_EXPORT XUtf8FontStruct* fl_xfont; extern FL_EXPORT void *fl_xftfont; FL_EXPORT ulong fl_xpixel(Fl_Color i); FL_EXPORT ulong fl_xpixel(uchar r, uchar g, uchar b); |