Initial revision

1 files changed, 42 insertions, 0 deletions

diff --git a/x11.h b/x11.h
new file mode 100644
index 0000000..bbc28ea
--- /dev/null
+++ b/x11.h
@@ -0,0 +1,42 @@
+#define PSEUDOCOLOR 1
+#define TRUECOLOR   2
+
+extern int      display_type;
+extern int      display_depth;
+extern XVisualInfo *info;
+
+extern int      x11_grays;
+extern unsigned long *x11_map;
+
+extern unsigned long x11_lut_red[256];
+extern unsigned long x11_lut_green[256];
+extern unsigned long x11_lut_blue[256];
+extern unsigned long x11_lut_gray[256];
+extern unsigned long x11_map_color[256];
+extern unsigned long x11_map_gray[64];
+
+#define x11_black         x11_map_gray[0]
+#define x11_gray          x11_map_gray[47*x11_grays/64]
+#define x11_lightgray     x11_map_gray[55*x11_grays/64]
+#define x11_white         x11_map_gray[63*x11_grays/64]
+
+extern unsigned long x11_red;
+extern unsigned long x11_green;
+extern unsigned long x11_blue;
+
+extern int      have_shmem;
+
+int             x11_color_init(Widget shell, int *gray);
+
+void            x11_data_to_ximage(unsigned char *rgb, unsigned char *ximage,
+				   int x, int y, int sy, int gray);
+XImage         *x11_create_ximage(Widget shell, int width, int height, void **shm);
+void            x11_destroy_ximage(Widget shell, XImage * ximage, void *shm);
+Pixmap          x11_create_pixmap(Widget shell, unsigned char *data,
+				  int width, int height, int gray);
+
+#define XPUTIMAGE(dpy,dr,gc,xi,a,b,c,d,w,h)                          \
+    if (have_shmem)                                                  \
+	XShmPutImage(dpy,dr,gc,xi,a,b,c,d,w,h,True);                 \
+    else                                                             \
+	XPutImage(dpy,dr,gc,xi,a,b,c,d,w,h)