Initial setup of window border rendering

Please don't complain to me about the performance of this

1 files changed, 35 insertions, 0 deletions

diff --git a/sway/render.c b/sway/render.c
new file mode 100644
index 00000000..66d2e5f0
--- /dev/null
+++ b/sway/render.c
@@ -0,0 +1,35 @@
+#include "render.h"
+#include <cairo.h>
+#include <stdlib.h>
+
+cairo_t *create_cairo_context(int width, int height, int channels,
+		cairo_surface_t **surf, unsigned char **buf) {
+	cairo_t *cr;
+	*buf = calloc(channels * width * height, sizeof(unsigned char));
+	if (!*buf) {
+		return NULL;
+	}
+	*surf = cairo_image_surface_create_for_data(*buf, CAIRO_FORMAT_ARGB32,
+		width, height, channels * width);
+	if (cairo_surface_status(*surf) != CAIRO_STATUS_SUCCESS) {
+		free(*buf);
+		return NULL;
+	}
+	cr = cairo_create(*surf);
+	if (cairo_status(cr) != CAIRO_STATUS_SUCCESS) {
+		free(*buf);
+		return NULL;
+	}
+	return cr;
+}
+
+void render_view_borders(wlc_handle view) {
+	unsigned char *surf_data;
+	cairo_surface_t *surf;
+	int texture_id;
+	const struct wlc_geometry *geo = wlc_view_get_geometry(view);
+	cairo_t *cr = create_cairo_context(geo->size.w, geo->size.h, 4, &surf, &surf_data);
+	// TODO
+	cairo_destroy(cr);
+	free(surf_data);
+}