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#include "xlib.h"
Generic_Predicate (Pixmap)
Generic_Equal_Dpy (Pixmap, PIXMAP, pm)
Generic_Print (Pixmap, "#[pixmap %lu]", PIXMAP(x)->pm)
Generic_Get_Display (Pixmap, PIXMAP)
static Object Internal_Make_Pixmap (finalize, dpy, pix)
Display *dpy; Pixmap pix; {
Object pm;
if (pix == None)
return Sym_None;
pm = Find_Object (T_Pixmap, (GENERIC)dpy, Match_X_Obj, pix);
if (Nullp (pm)) {
pm = Alloc_Object (sizeof (struct S_Pixmap), T_Pixmap, 0);
PIXMAP(pm)->tag = Null;
PIXMAP(pm)->pm = pix;
PIXMAP(pm)->dpy = dpy;
PIXMAP(pm)->free = 0;
Register_Object (pm, (GENERIC)dpy,
finalize ? P_Free_Pixmap : (PFO)0, 0);
}
return pm;
}
/* Backwards compatibility: */
Object Make_Pixmap (dpy, pix) Display *dpy; Pixmap pix; {
return Internal_Make_Pixmap (1, dpy, pix);
}
Object Make_Pixmap_Foreign (dpy, pix) Display *dpy; Pixmap pix; {
return Internal_Make_Pixmap (0, dpy, pix);
}
Pixmap Get_Pixmap (p) Object p; {
Check_Type (p, T_Pixmap);
return PIXMAP(p)->pm;
}
Object P_Free_Pixmap (p) Object p; {
Check_Type (p, T_Pixmap);
if (!PIXMAP(p)->free)
XFreePixmap (PIXMAP(p)->dpy, PIXMAP(p)->pm);
Deregister_Object (p);
PIXMAP(p)->free = 1;
return Void;
}
static Object P_Create_Pixmap (d, w, h, depth) Object d, w, h, depth; {
Display *dpy;
Drawable dr = Get_Drawable (d, &dpy);
return Make_Pixmap (dpy, XCreatePixmap (dpy, dr, Get_Integer (w),
Get_Integer (h), Get_Integer (depth)));
}
static Object P_Create_Bitmap_From_Data (win, data, pw, ph)
Object win, data, pw, ph; {
register w, h;
Check_Type (win, T_Window);
Check_Type (data, T_String);
w = Get_Integer (pw);
h = Get_Integer (ph);
if (w * h > 8 * STRING(data)->size)
Primitive_Error ("bitmap too small");
return Make_Pixmap (WINDOW(win)->dpy,
XCreateBitmapFromData (WINDOW(win)->dpy, WINDOW(win)->win,
STRING(data)->data, w, h));
}
static Object P_Create_Pixmap_From_Bitmap_Data (win, data, pw, ph, fg, bg,
depth) Object win, data, pw, ph, fg, bg, depth; {
register w, h;
Check_Type (win, T_Window);
Check_Type (data, T_String);
w = Get_Integer (pw);
h = Get_Integer (ph);
if (w * h > 8 * STRING(data)->size)
Primitive_Error ("bitmap too small");
return Make_Pixmap (WINDOW(win)->dpy,
XCreatePixmapFromBitmapData (WINDOW(win)->dpy, WINDOW(win)->win,
STRING(data)->data, w, h, Get_Pixel (fg), Get_Pixel (bg),
Get_Integer (depth)));
}
static Object P_Read_Bitmap_File (d, fn) Object d, fn; {
Display *dpy;
Drawable dr = Get_Drawable (d, &dpy);
unsigned width, height;
int r, xhot, yhot;
Pixmap bitmap;
Object t, ret, x;
GC_Node2;
Disable_Interrupts;
r = XReadBitmapFile (dpy, dr, Get_Strsym (fn), &width, &height, &bitmap,
&xhot, &yhot);
Enable_Interrupts;
if (r != BitmapSuccess)
return Bits_To_Symbols ((unsigned long)r, 0, Bitmapstatus_Syms);
t = ret = P_Make_List (Make_Integer (5), Null);
GC_Link2 (ret, t);
x = Make_Pixmap (dpy, bitmap);
Car (t) = x; t = Cdr (t);
Car (t) = Make_Integer (width); t = Cdr (t);
Car (t) = Make_Integer (height); t = Cdr (t);
Car (t) = Make_Integer (xhot); t = Cdr (t);
Car (t) = Make_Integer (yhot);
GC_Unlink;
return ret;
}
static Object P_Write_Bitmap_File (argc, argv) Object *argv; {
Pixmap pm;
int ret, xhot = -1, yhot = -1;
pm = Get_Pixmap (argv[1]);
if (argc == 5)
Primitive_Error ("both x-hot and y-hot must be specified");
if (argc == 6) {
xhot = Get_Integer (argv[4]);
yhot = Get_Integer (argv[5]);
}
Disable_Interrupts;
ret = XWriteBitmapFile (PIXMAP(argv[1])->dpy, Get_Strsym (argv[0]), pm,
Get_Integer (argv[2]), Get_Integer (argv[3]), xhot, yhot);
Enable_Interrupts;
return Bits_To_Symbols ((unsigned long)ret, 0, Bitmapstatus_Syms);
}
elk_init_xlib_pixmap () {
Generic_Define (Pixmap, "pixmap", "pixmap?");
Define_Primitive (P_Pixmap_Display, "pixmap-display", 1, 1, EVAL);
Define_Primitive (P_Free_Pixmap, "free-pixmap", 1, 1, EVAL);
Define_Primitive (P_Create_Pixmap, "create-pixmap", 4, 4, EVAL);
Define_Primitive (P_Create_Bitmap_From_Data,
"create-bitmap-from-data", 4, 4, EVAL);
Define_Primitive (P_Create_Pixmap_From_Bitmap_Data,
"create-pixmap-from-bitmap-data", 7, 7, EVAL);
Define_Primitive (P_Read_Bitmap_File, "read-bitmap-file", 2, 2, EVAL);
Define_Primitive (P_Write_Bitmap_File, "write-bitmap-file", 4, 6, VARARGS);
}
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