implemented the functions for scx.
This commit is contained in:
frese
parent
95d78bf9bb
commit
3a18c650e5
433
c/xlib/font.c
433
c/xlib/font.c
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@ -1,299 +1,194 @@
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#include "xlib.h"
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#include "xlib.h"
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#include "scheme48.h"
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s48_value Sym_Char_Info;
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static s48_value Sym_Font_Info, Sym_Min, Sym_Max;
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Generic_Predicate (Font)
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s48_value Load_Font(s48_value Xdisplay, s48_value font_name) {
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return ENTER_FONTSTRUCT(XLoadQueryFont(EXTRACT_DISPLAY(Xdisplay),
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static Font_Equal (x, y) s48_value x, y; {
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s48_extract_string(font_name)));
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Font id1 = FONT(x)->id, id2 = FONT(y)->id;
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if (id1 && id2)
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return id1 == id2 && FONT(x)->dpy == FONT(y)->dpy;
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else
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return 0;
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}
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}
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Generic_Print (Font, "#[font %lu]", FONT(x)->id ? FONT(x)->id : POINTER(x))
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s48_value Free_Font(s48_value Xdisplay, s48_value Xfontstruct) {
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XFreeFont(EXTRACT_DISPLAY(Xdisplay),
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static Font_Visit (fp, f) s48_value *fp; int (*f)(); {
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EXTRACT_FONTSTRUCT(Xfontstruct));
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(*f)(&FONT(*fp)->name);
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return S48_UNSPECIFIC;
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}
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}
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Generic_Get_Display (Font, FONT)
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s48_value Get_Xfont(s48_value Xfontstruct) {
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return ENTER_FONT((EXTRACT_FONTSTRUCT(Xfontstruct))->fid);
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static s48_value Internal_Make_Font (finalize, dpy, name, id, info)
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Display *dpy; s48_value name; Font id; XFontStruct *info; {
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s48_value f;
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S48_DECLARE_GC_PROTECT(1);
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S48_GC_PROTECT_1 (name);
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f = Alloc_Object (sizeof (struct S_Font), T_Font, 0);
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FONT(f)->dpy = dpy;
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if (TYPE(name) == T_Symbol)
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name = s48_extract_string(S48_SYMBOL_TO_STRING(name));
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FONT(f)->name = name;
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FONT(f)->id = id;
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FONT(f)->info = info;
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if (id)
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Register_Object (f, (GENERIC)dpy, finalize ? P_Close_Font : (PFO)0, 0);
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S48_GC_UNPROTECT;
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return f;
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}
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}
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/* Backwards compatibility: */
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s48_value GContext_Font(s48_value Xdisplay, s48_value Xgcontext) {
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s48_value Make_Font (dpy, name, id, info)
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GContext gc = XGContextFromGC(EXTRACT_GCONTEXT(Xgcontext));
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Display *dpy; s48_value name; Font id; XFontStruct *info; {
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Display* dpy = EXTRACT_DISPLAY(Xdisplay);
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return Internal_Make_Font (1, dpy, name, id, info);
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return ENTER_FONTSTRUCT(XQueryFont(dpy, gc));
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}
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}
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s48_value Make_Font_Foreign (dpy, name, id, info)
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s48_value Font_Path(s48_value Xdisplay) {
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Display *dpy; s48_value name; Font id; XFontStruct *info; {
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int n, i;
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return Internal_Make_Font (0, dpy, name, id, info);
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char** sa;
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s48_value ret;
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S48_DECLARE_GC_PROTECT(1);
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// Enable/Disable Interrupts ??
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sa = XGetFontPath(EXTRACT_DISPLAY(Xdisplay), &n);
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ret = s48_make_vector(n, S48_FALSE);
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S48_GC_PROTECT_1(ret);
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for (i = 0; i < n; i++) {
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S48_VECTOR_SET(ret, i, s48_enter_string(sa[i]));
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}
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S48_GC_UNPROTECT();
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XFreeFontPath(sa);
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return ret;
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}
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}
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Font Get_Font (f) s48_value f; {
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s48_value Set_Font_Path(s48_value Xdisplay, s48_value path) {
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Check_Type (f, T_Font);
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int i, n = S48_VECTOR_LENGTH(path);
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Open_Font_Maybe (f);
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char* sa[n];
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return FONT(f)->id;
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for (i = 0; i < n; i++) {
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sa[i] = s48_extract_string(S48_VECTOR_REF(path, i));
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}
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XSetFontPath(EXTRACT_DISPLAY(Xdisplay), sa, n);
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return S48_UNSPECIFIC;
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}
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s48_value List_Font_Names(s48_value Xdisplay, s48_value pattern) {
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char** sa;
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int i,n;
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s48_value v;
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S48_DECLARE_GC_PROTECT(1);
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XListFonts(EXTRACT_DISPLAY(Xdisplay),
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s48_extract_string(pattern),
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65535,
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&n);
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v = s48_make_vector(n, S48_FALSE);
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S48_GC_PROTECT_1(v);
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for (i = 0; i < n; i++) {
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S48_VECTOR_SET(v, i, s48_enter_string(sa[i]));
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}
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S48_GC_UNPROTECT();
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XFreeFontNames(sa);
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return v;
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}
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}
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static XFontStruct *Internal_Open_Font (d, name) Display *d; s48_value name; {
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s48_value List_Fonts(s48_value Xdisplay, s48_value pattern) {
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register char *s;
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char** sa;
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XFontStruct *p;
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XFontStruct* fsa;
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Alloca_Begin;
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int i,n;
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s48_value v;
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S48_DECLARE_GC_PROTECT(1);
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Get_Strsym_Stack (name, s);
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XListFontsWithInfo(EXTRACT_DISPLAY(Xdisplay),
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Disable_Interrupts;
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s48_extract_string(pattern),
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if ((p = XLoadQueryFont (d, s)) == 0)
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65535,
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Primitive_Error ("cannot open font: ~s", name);
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&n,
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Enable_Interrupts;
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&fsa);
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Alloca_End;
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return p;
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v = s48_make_vector(n, S48_FALSE);
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S48_GC_PROTECT_1(v);
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for (i = 0; i < n; i++) {
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S48_VECTOR_SET(v, i, s48_cons(s48_enter_string(sa[i]),
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ENTER_FONTSTRUCT(&fsa[i])));
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}
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S48_GC_UNPROTECT();
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XFreeFontNames(sa);
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return v;
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}
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}
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static s48_value P_Open_Font (d, name) s48_value d, name; {
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s48_value Font_Properties(s48_value Xfontstruct) {
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XFontStruct *p;
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s48_value v;
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int i,n;
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XFontStruct* fs = EXTRACT_FONTSTRUCT(Xfontstruct);
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XFontProp* p;
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S48_DECLARE_GC_PROTECT(1);
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Check_Type (d, T_Display)
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n = fs->n_properties;
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p = Internal_Open_Font (DISPLAY(d)->dpy, name);
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v = s48_make_vector(n, S48_FALSE);
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return Make_Font (DISPLAY(d)->dpy, name, p->fid, p);
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S48_GC_PROTECT_1(v);
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for (i = 0; i < n; i++) {
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p = fs->properties+i;
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S48_VECTOR_SET(v, i, s48_cons( ENTER_ATOM(p->name),
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s48_enter_integer(p->card32) ));
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}
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S48_GC_UNPROTECT();
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return v;
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}
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}
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void Open_Font_Maybe (f) s48_value f; {
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s48_value Font_Property(s48_value Xfontstruct, s48_value Xatom) {
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s48_value name;
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unsigned long val;
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XFontStruct *p;
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if (XGetFontProperty(EXTRACT_FONTSTRUCT(Xfontstruct),
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EXTRACT_ATOM(Xatom),
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name = FONT(f)->name;
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&val))
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if (!S48_TRUE_P (name))
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return s48_enter_integer(val);
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Primitive_Error ("invalid font");
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else
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if (FONT(f)->id == 0) {
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return S48_FALSE;
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p = Internal_Open_Font (FONT(f)->dpy, name);
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FONT(f)->id = p->fid;
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FONT(f)->info = p;
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Register_Object (f, (GENERIC)(FONT(f)->dpy), P_Close_Font, 0);
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}
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}
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}
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s48_value P_Close_Font (f) s48_value f; {
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s48_value Font_Info(s48_value Xfontstruct) {
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Check_Type (f, T_Font);
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XFontStruct* fs = EXTRACT_FONTSTRUCT(Xfontstruct);
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if (FONT(f)->id)
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s48_value v = s48_make_vector(9, S48_FALSE);
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XUnloadFont (FONT(f)->dpy, FONT(f)->id);
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S48_DECLARE_GC_PROTECT(1);
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FONT(f)->id = 0;
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S48_GC_PROTECT_1(v);
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Deregister_Object (f);
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return Void;
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S48_VECTOR_SET(v, 0, Bit_To_Symbol(fs->direction, Direction_Syms));
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S48_VECTOR_SET(v, 1, s48_enter_integer(fs->min_char_or_byte2));
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S48_VECTOR_SET(v, 2, s48_enter_integer(fs->max_char_or_byte2));
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S48_VECTOR_SET(v, 3, s48_enter_integer(fs->min_byte1));
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S48_VECTOR_SET(v, 4, s48_enter_integer(fs->max_byte1));
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S48_VECTOR_SET(v, 5, S48_ENTER_BOOLEAN(fs->all_chars_exist));
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S48_VECTOR_SET(v, 6, s48_enter_integer(fs->default_char));
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S48_VECTOR_SET(v, 7, s48_enter_integer(fs->ascent));
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S48_VECTOR_SET(v, 8, s48_enter_integer(fs->descent));
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S48_GC_UNPROTECT();
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return v;
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}
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}
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static s48_value P_Font_Name (f) s48_value f; {
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static s48_value Char_Info(s48_value Xfontstruct, s48_value index) {
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Check_Type (f, T_Font);
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// index must be an integer, #f for 'min or #t for 'max
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return FONT(f)->name;
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XCharStruct* cp;
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}
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XFontStruct* p = EXTRACT_FONTSTRUCT(Xfontstruct);
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s48_value v;
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S48_DECLARE_GC_PROTECT(1);
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static s48_value P_Gcontext_Font (g) s48_value g; {
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if (S48_FALSE_P(index))
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register struct S_Gc *p;
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cp = &p->min_bounds;
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register XFontStruct *info;
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else if (S48_TRUE_P(index))
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Check_Type (g, T_Gc);
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p = GCONTEXT(g);
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Disable_Interrupts;
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info = XQueryFont (p->dpy, XGContextFromGC (p->gc));
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Enable_Interrupts;
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return Make_Font_Foreign (p->dpy, S48_FALSE, (Font)0, info);
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}
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static s48_value Internal_List_Fonts (d, pat, with_info) s48_value d, pat; {
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char **ret;
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int n;
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XFontStruct *iret;
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register i;
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s48_value f, v;
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Display *dpy;
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S48_DECLARE_GC_PROTECT(2);
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Check_Type (d, T_Display);
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dpy = DISPLAY(d)->dpy;
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Disable_Interrupts;
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if (with_info)
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ret = XListFontsWithInfo (dpy, Get_Strsym (pat), 65535, &n, &iret);
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else
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ret = XListFonts (dpy, Get_Strsym (pat), 65535, &n);
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Enable_Interrupts;
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v = s48_make_vector (n, S48_NULL);
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f = S48_NULL;
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S48_GC_PROTECT_2 (f, v);
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for (i = 0; i < n; i++) {
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f = Make_String (ret[i], strlen (ret[i]));
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if (with_info)
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f = Make_Font (dpy, f, (Font)0, &iret[i]);
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S48_VECTOR_SET(v, i, f;)
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}
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S48_GC_UNPROTECT;
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if (with_info)
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XFreeFontInfo (ret, (XFontStruct *)0, 0);
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else
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XFreeFontNames (ret);
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return v;
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}
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static s48_value P_List_Font_Names (d, pat) s48_value d, pat; {
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return Internal_List_Fonts (d, pat, 0);
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}
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static s48_value P_List_Fonts (d, pat) s48_value d, pat; {
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return Internal_List_Fonts (d, pat, 1);
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}
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static s48_value P_Font_Info (f) s48_value f; {
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Check_Type (f, T_Font);
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FI = *FONT(f)->info;
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return Record_To_Vector (Font_Info_Rec, Font_Info_Size,
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Sym_Font_Info, FONT(f)->dpy, ~0L);
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}
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static s48_value P_Char_Info (f, index) s48_value f, index; {
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register t = TYPE(index);
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register unsigned i;
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register XCharStruct *cp;
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register XFontStruct *p;
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char *msg = "argument must be integer, character, 'min, or 'max";
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Check_Type (f, T_Font);
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Open_Font_Maybe (f);
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p = FONT(f)->info;
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cp = &p->max_bounds;
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cp = &p->max_bounds;
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if (t == T_Symbol) {
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else
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if (S48_EQ_P(index, Sym_Min))
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cp = &(p->per_char[s48_extract_integer(index)]); // calculated in scheme
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cp = &p->min_bounds;
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else if (!S48_EQ_P(index, Sym_Max))
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v = s48_make_vector(6, S48_FALSE);
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Primitive_Error (msg);
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S48_GC_PROTECT_1(v);
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} else {
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S48_VECTOR_SET(v, 0, s48_enter_integer(cp->lbearing));
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if (t == T_Character)
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S48_VECTOR_SET(v, 1, s48_enter_integer(cp->rbearing));
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i = s48_extract_char(index);
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S48_VECTOR_SET(v, 2, s48_enter_integer(cp->width));
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else if (t == T_Fixnum || t == T_Bignum)
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S48_VECTOR_SET(v, 3, s48_enter_integer(cp->ascent));
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i = (unsigned)(int)s48_extract_integer (index);
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S48_VECTOR_SET(v, 4, s48_enter_integer(cp->descent));
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else
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S48_VECTOR_SET(v, 5, s48_enter_integer(cp->attributes));
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Primitive_Error (msg);
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if (!p->min_byte1 && !p->max_byte1) {
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S48_GC_UNPROTECT();
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if (i < p->min_char_or_byte2 || i > p->max_char_or_byte2)
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return v;
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Range_Error (index);
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i -= p->min_char_or_byte2;
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} else {
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register unsigned b1 = i & 0xff, b2 = (i >> 8) & 0xff;
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if (b1 < p->min_byte1 || b1 > p->max_byte1 ||
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b2 < p->min_char_or_byte2 || b2 > p->max_char_or_byte2)
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Range_Error (index);
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b1 -= p->min_byte1;
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b2 -= p->min_char_or_byte2;
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i = b1 * (p->max_char_or_byte2 - p->min_char_or_byte2 + 1) + b2;
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}
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if (p->per_char)
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cp = p->per_char + i;
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}
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CI = *cp;
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return Record_To_Vector (Char_Info_Rec, Char_Info_Size,
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Sym_Char_Info, FONT(f)->dpy, ~0L);
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}
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}
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static s48_value P_Font_Properties (f) s48_value f; {
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s48_init_font() {
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register i, n;
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S48_EXPORT_FUNCTION(Load_Font);
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s48_value v, a, val, x;
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S48_EXPORT_FUNCTION(Free_Font);
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S48_DECLARE_GC_PROTECT(4);
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S48_EXPORT_FUNCTION(Get_Xfont);
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S48_EXPORT_FUNCTION(GContext_Font);
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Check_Type (f, T_Font);
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S48_EXPORT_FUNCTION(Font_Path);
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n = FONT(f)->info->n_properties;
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S48_EXPORT_FUNCTION(Set_Font_Path);
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v = s48_make_vector (n, S48_NULL);
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S48_EXPORT_FUNCTION(Font_Property);
|
||||||
a = val = S48_NULL;
|
S48_EXPORT_FUNCTION(Font_Properties);
|
||||||
S48_GC_PROTECT_4 (v, a, val, f);
|
S48_EXPORT_FUNCTION(List_Fonts);
|
||||||
for (i = 0; i < n; i++) {
|
S48_EXPORT_FUNCTION(List_Font_Names);
|
||||||
register XFontProp *p = FONT(f)->info->properties+i;
|
S48_EXPORT_FUNCTION(Font_Info);
|
||||||
a = Make_Atom (p->name);
|
S48_EXPORT_FUNCTION(Char_Info);
|
||||||
val = s48_enter_integer ((unsigned long)p->card32);
|
|
||||||
x = s48_cons (a, val);
|
|
||||||
S48_VECTOR_SET(v, i, x;)
|
|
||||||
}
|
|
||||||
S48_GC_UNPROTECT;
|
|
||||||
return v;
|
|
||||||
}
|
|
||||||
|
|
||||||
static s48_value P_Font_Path (d) s48_value d; {
|
|
||||||
s48_value v;
|
|
||||||
int i, n;
|
|
||||||
char **ret;
|
|
||||||
S48_DECLARE_GC_PROTECT(1);
|
|
||||||
|
|
||||||
Check_Type (d, T_Display);
|
|
||||||
Disable_Interrupts;
|
|
||||||
ret = XGetFontPath (DISPLAY(d)->dpy, &n);
|
|
||||||
Enable_Interrupts;
|
|
||||||
v = s48_make_vector (n, S48_NULL);
|
|
||||||
S48_GC_PROTECT_1 (v);
|
|
||||||
for (i = 0; i < n; i++) {
|
|
||||||
s48_value x;
|
|
||||||
|
|
||||||
x = Make_String (ret[i], strlen (ret[i]));
|
|
||||||
S48_VECTOR_SET(v, i, x;)
|
|
||||||
}
|
|
||||||
S48_GC_UNPROTECT;
|
|
||||||
XFreeFontPath (ret);
|
|
||||||
return P_Vector_To_List (v);
|
|
||||||
}
|
|
||||||
|
|
||||||
static s48_value P_Set_Font_Path (d, p) s48_value d, p; {
|
|
||||||
register char **path;
|
|
||||||
register i, n;
|
|
||||||
s48_value c;
|
|
||||||
Alloca_Begin;
|
|
||||||
|
|
||||||
Check_Type (d, T_Display);
|
|
||||||
Check_List (p);
|
|
||||||
n = Fast_Length (p);
|
|
||||||
Alloca (path, char**, n * sizeof (char *));
|
|
||||||
for (i = 0; i < n; i++, p = S48_CDR (p)) {
|
|
||||||
c = S48_CAR (p);
|
|
||||||
Get_Strsym_Stack (c, path[i]);
|
|
||||||
}
|
|
||||||
XSetFontPath (DISPLAY(d)->dpy, path, n);
|
|
||||||
Alloca_End;
|
|
||||||
return Void;
|
|
||||||
}
|
|
||||||
|
|
||||||
elk_init_xlib_font () {
|
|
||||||
Define_Symbol (&Sym_Font_Info, "font-info");
|
|
||||||
Define_Symbol (&Sym_Char_Info, "char-info");
|
|
||||||
Define_Symbol (&Sym_Min, "min");
|
|
||||||
Define_Symbol (&Sym_Max, "max");
|
|
||||||
T_Font = Define_Type (0, "font", NOFUNC, sizeof (struct S_Font),
|
|
||||||
Font_Equal, Font_Equal, Font_Print, Font_Visit);
|
|
||||||
Define_Primitive (P_Fontp, "font?", 1, 1, EVAL);
|
|
||||||
Define_Primitive (P_Font_Display, "font-display", 1, 1, EVAL);
|
|
||||||
Define_Primitive (P_Open_Font, "open-font", 2, 2, EVAL);
|
|
||||||
Define_Primitive (P_Close_Font, "close-font", 1, 1, EVAL);
|
|
||||||
Define_Primitive (P_Font_Name, "font-name", 1, 1, EVAL);
|
|
||||||
Define_Primitive (P_Gcontext_Font, "gcontext-font", 1, 1, EVAL);
|
|
||||||
Define_Primitive (P_List_Font_Names, "list-font-names", 2, 2, EVAL);
|
|
||||||
Define_Primitive (P_List_Fonts, "list-fonts", 2, 2, EVAL);
|
|
||||||
Define_Primitive (P_Font_Info, "xlib-font-info", 1, 1, EVAL);
|
|
||||||
Define_Primitive (P_Char_Info, "xlib-char-info", 2, 2, EVAL);
|
|
||||||
Define_Primitive (P_Font_Properties, "font-properties", 1, 1, EVAL);
|
|
||||||
Define_Primitive (P_Font_Path, "font-path", 1, 1, EVAL);
|
|
||||||
Define_Primitive (P_Set_Font_Path, "set-font-path!", 2, 2, EVAL);
|
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue