diff options
Diffstat (limited to 'FL/x.H')
| -rw-r--r-- | FL/x.H | 10 |
1 files changed, 7 insertions, 3 deletions
@@ -47,9 +47,13 @@ extern ulong fl_event_time; // off-screen pixmaps: create, destroy, draw into, copy to window: #define Fl_Offscreen ulong #define fl_create_offscreen(w,h) \ -XCreatePixmap(fl_display, fl_window, w, h, fl_visual->depth) -#define fl_begin_offscreen(pixmap) Window _sw=fl_window;fl_window=pixmap;fl_push_no_clip() -#define fl_end_offscreen() fl_pop_clip();fl_window = _sw + XCreatePixmap(fl_display, fl_window, w, h, fl_visual->depth) +// begin/end are macros that save the old state in local variables: +#define fl_begin_offscreen(pixmap) \ + Window _sw=fl_window; fl_window=pixmap; fl_push_no_clip() +#define fl_end_offscreen() \ + fl_pop_clip(); fl_window = _sw + #define fl_copy_offscreen(x,y,w,h,pixmap,srcx,srcy) \ XCopyArea(fl_display, pixmap, fl_window, fl_gc, srcx, srcy, w, h, x, y) #define fl_delete_offscreen(pixmap) XFreePixmap(fl_display, pixmap) |