initial commit

7 files changed, 222 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..c385821
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,17 @@
+OUT      = runes
+OBJ      = runes.o xlib.o main.o
+CFLAGS  ?= -g
+LDFLAGS ?= -g
+
+build: $(OUT)
+
+$(OUT): $(OBJ)
+	$(CC) $(shell pkg-config --libs cairo-xlib) $(LDFLAGS) -o $@ $^
+
+%.o: %.c
+	$(CC) $(shell pkg-config --cflags cairo-xlib) $(CFLAGS) -c -o $@ $^
+
+clean:
+	rm -f $(OUT) $(OBJ)
+
+.PHONY: build clean
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..f366283
--- /dev/null
+++ b/main.c
@@ -0,0 +1,24 @@
+#include <unistd.h>
+
+#include "runes.h"
+
+int main (int argc, char *argv[])
+{
+    RunesTerm *t;
+
+    t = runes_term_create();
+
+    cairo_select_font_face(t->cr, "7x14", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
+    cairo_set_font_size(t->cr, 14.0);
+    cairo_set_source_rgb(t->cr, 0.0, 0.0, 1.0);
+    cairo_move_to(t->cr, 10.0, 50.0);
+    cairo_show_text(t->cr, "Hello, world");
+
+    runes_term_flush(t);
+
+    sleep(2);
+
+    runes_term_destroy(t);
+
+    return 0;
+}
diff --git a/runes.c b/runes.c
new file mode 100644
index 0000000..2e4d1ba
--- /dev/null
+++ b/runes.c
@@ -0,0 +1,31 @@
+#include <cairo.h>
+#include <stdlib.h>
+
+#include "runes.h"
+
+RunesTerm *runes_term_create()
+{
+    RunesTerm *t;
+
+    t = malloc(sizeof(RunesTerm));
+
+    t->w       = runes_window_create();
+    t->surface = runes_surface_create(t->w);
+    t->cr      = cairo_create(t->surface);
+
+    return t;
+}
+
+void runes_term_flush(RunesTerm *t)
+{
+    runes_window_flush(t->w);
+}
+
+void runes_term_destroy(RunesTerm *t)
+{
+    cairo_destroy(t->cr);
+    cairo_surface_destroy(t->surface);
+    runes_window_destroy(t->w);
+
+    free(t);
+}
diff --git a/runes.h b/runes.h
new file mode 100644
index 0000000..1c7b273
--- /dev/null
+++ b/runes.h
@@ -0,0 +1,20 @@
+#ifndef _RUNES_H
+#define _RUNES_H
+
+#include <cairo.h>
+
+#include "xlib.h"
+
+typedef struct {
+    RunesWindow *w;
+    /* RunesBuffer *buf; */
+
+    cairo_surface_t *surface;
+    cairo_t *cr;
+} RunesTerm;
+
+RunesTerm *runes_term_create();
+void runes_term_flush(RunesTerm *t);
+void runes_term_destroy(RunesTerm *t);
+
+#endif
diff --git a/test.c b/test.c
new file mode 100644
index 0000000..01677c8
--- /dev/null
+++ b/test.c
@@ -0,0 +1,56 @@
+#include <cairo.h>
+#include <cairo-xlib.h>
+#include <X11/Xlib.h>
+#include <unistd.h>
+
+int main (int argc, char *argv[])
+{
+    Display *dpy;
+    unsigned long white;
+    Window w;
+    Visual *vis;
+    GC gc;
+
+    cairo_surface_t *surface;
+    cairo_t *cr;
+
+    dpy   = XOpenDisplay(NULL);
+    white = WhitePixel(dpy, DefaultScreen(dpy));
+    w     = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 0, 0, 240, 80, 0, white, white);
+    vis   = DefaultVisual(dpy, DefaultScreen(dpy));
+
+    XSelectInput(dpy, w, StructureNotifyMask);
+    XMapWindow(dpy, w);
+    gc = XCreateGC(dpy, w, 0, NULL);
+    XSetForeground(dpy, gc, white);
+
+    for (;;) {
+        XEvent e;
+
+        XNextEvent(dpy, &e);
+        if (e.type == MapNotify) {
+            break;
+        }
+    }
+
+    surface = cairo_xlib_surface_create(dpy, w, vis, 240, 80);
+    cr      = cairo_create(surface);
+
+    cairo_select_font_face(cr, "7x14", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
+    cairo_set_font_size(cr, 14.0);
+    cairo_set_source_rgb(cr, 0.0, 0.0, 1.0);
+    cairo_move_to(cr, 10.0, 50.0);
+    cairo_show_text(cr, "Hello, world");
+
+    XFlush(dpy);
+
+    sleep(2);
+
+    cairo_destroy(cr);
+    cairo_surface_destroy(surface);
+
+    XDestroyWindow(dpy, w);
+    XCloseDisplay(dpy);
+
+    return 0;
+}
diff --git a/xlib.c b/xlib.c
new file mode 100644
index 0000000..76b3b55
--- /dev/null
+++ b/xlib.c
@@ -0,0 +1,57 @@
+#include <cairo-xlib.h>
+#include <stdlib.h>
+#include <X11/Xlib.h>
+
+#include "xlib.h"
+
+RunesWindow *runes_window_create()
+{
+    RunesWindow *w;
+    unsigned long white;
+
+    w = malloc(sizeof(RunesWindow));
+
+    w->dpy = XOpenDisplay(NULL);
+    white  = WhitePixel(w->dpy, DefaultScreen(w->dpy));
+    w->w   = XCreateSimpleWindow(
+        w->dpy, DefaultRootWindow(w->dpy),
+        0, 0, 240, 80, 0, white, white
+    );
+
+    XSelectInput(w->dpy, w->w, StructureNotifyMask);
+    XMapWindow(w->dpy, w->w);
+    w->gc = XCreateGC(w->dpy, w->w, 0, NULL);
+    XSetForeground(w->dpy, w->gc, white);
+
+    for (;;) {
+        XEvent e;
+
+        XNextEvent(w->dpy, &e);
+        if (e.type == MapNotify) {
+            break;
+        }
+    }
+
+    return w;
+}
+
+cairo_surface_t *runes_surface_create(RunesWindow *w)
+{
+    Visual *vis;
+
+    vis = DefaultVisual(w->dpy, DefaultScreen(w->dpy));
+    return cairo_xlib_surface_create(w->dpy, w->w, vis, 240, 80);
+}
+
+void runes_window_flush(RunesWindow *w)
+{
+    XFlush(w->dpy);
+}
+
+void runes_window_destroy(RunesWindow *w)
+{
+    XDestroyWindow(w->dpy, w->w);
+    XCloseDisplay(w->dpy);
+
+    free(w);
+}
diff --git a/xlib.h b/xlib.h
new file mode 100644
index 0000000..083bfb6
--- /dev/null
+++ b/xlib.h
@@ -0,0 +1,17 @@
+#ifndef _RUNES_XLIB_H
+#define _RUNES_XLIB_H
+
+#include <X11/Xlib.h>
+
+typedef struct {
+    Display *dpy;
+    Window w;
+    GC gc;
+} RunesWindow;
+
+RunesWindow *runes_window_create();
+cairo_surface_t *runes_surface_create(RunesWindow *w);
+void runes_window_flush(RunesWindow *w);
+void runes_window_destroy(RunesWindow *w);
+
+#endif