add cvs viewer

1 files changed, 27 insertions, 0 deletions

diff --git a/x11.h b/x11.h
new file mode 100644
index 0000000..8bc4f23
--- /dev/null
+++ b/x11.h
@@ -0,0 +1,27 @@
+#include <X11/X.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/extensions/XShm.h>
+
+extern XVisualInfo *x11_info;
+extern int have_shmem;
+
+extern int x11_red_bits;
+extern int x11_red_shift;
+extern int x11_green_bits;
+extern int x11_green_shift;
+extern int x11_blue_bits;
+extern int x11_blue_shift;
+
+int x11_color_init(Display *dpy);
+
+XImage *x11_create_ximage(Display *dpy, int width, int height, void **shm);
+void x11_destroy_ximage(Display *dpy, XImage * ximage, void *shm);
+Pixmap x11_create_pixmap(Display *dpy, unsigned char *data,
+			 int width, int height);
+
+#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)