1 files changed, 73 insertions, 0 deletions
diff --git a/simple_x.c b/simple_x.c
new file mode 100644
index 0000000..5857130
--- /dev/null
+++ b/simple_x.c
@@ -0,0 +1,73 @@
+/* SimplX - Proposed name if not taken already. */
+#include <stdlib.h>
+#include <xcb/xcb.h>
+#include <xcb/xcb_image.h>
+
+/*
+ * TODO: Figure out the alignment of these things fix the arrangement.
+ *       Find a good name for this.
+ */
+typedef struct sx_gc {
+	/*struct {*/
+	xcb_connection_t *connection;
+	xcb_screen_t *screen;
+	xcb_drawable_t window;
+	xcb_pixmap_t pixmap;
+	xcb_image_t *image;
+	xcb_gcontext_t gc;
+	/*} xcb;*/
+} SX;
+
+SX *sx_new_gc(uint16_t width, uint16_t height)
+{
+	SX *sx = malloc(sizeof(SX));
+
+	sx->connection = xcb_connect(NULL, NULL);
+
+	sx->screen = xcb_setup_roots_iterator(xcb_get_setup(sx->connection)).data;
+
+	uint32_t mask = XCB_CW_BACK_PIXEL; /* Needs events */
+	uint32_t values[] = {sx->screen->black_pixel};
+
+	sx->window = xcb_generate_id(sx->connection);
+	xcb_create_window(sx->connection,
+			24,
+			sx->window,
+			sx->screen->root,
+			0, 0,
+			width, height,
+			1,
+			XCB_WINDOW_CLASS_INPUT_OUTPUT,
+			sx->screen->root_visual,
+			mask, values);
+
+	sx->pixmap = xcb_generate_id(sx->connection);
+	xcb_create_pixmap(sx->connection,
+			24,
+			sx->pixmap,
+			sx->window,
+			width, height);
+
+	uint8_t *img = malloc(width * height * 4);
+	xcb_image_t *image = xcb_image_create(width, height,
+			XCB_IMAGE_FORMAT_Z_PIXMAP,
+			8, 24, 32,
+			0,
+			XCB_IMAGE_ORDER_MSB_FIRST,
+			XCB_IMAGE_ORDER_LSB_FIRST,
+			img,
+			width * height * 4,
+			img);
+
+	mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND;
+	values[0] = sx->screen->black_pixel;
+	values[1] = 0xFFFFFF;
+
+	sx->gc = xcb_generate_id(sx->connection);
+	xcb_create_gc(sx->connection,
+			sx->gc,
+			sx->pixmap,
+			mask, values);
+
+	return sx;
+}