Render ssb blob images

zet.dpi.c

@@ -656,6 +656,30 @@ md_rndr_link(struct buf *ob, const struct buf *link, const struct buf *title, co
 	return 1;
 }
 
+static int
+md_rndr_image(struct buf *ob, const struct buf *link, const struct buf *title, const struct buf *alt, void *opaque)
+{
+	struct html_renderopt *options = opaque;
+	if (!link || !link->size) return 0;
+
+	BUFPUTSL(ob, "<img src=\"");
+	BUFPUTSL(ob, ssb_ref_base);
+	houdini_escape_href(ob, link->data, link->size);
+	BUFPUTSL(ob, "\" alt=\"");
+
+	if (alt && alt->size)
+		houdini_escape_html0(ob, alt->data, alt->size, 0);
+
+	if (title && title->size) {
+		BUFPUTSL(ob, "\" title=\"");
+		houdini_escape_html0(ob, title->data, title->size, 0);
+	}
+
+	(void)options;
+	bufputs(ob, "\"/>");
+	return 1;
+}
+
 static void put_link_truncated(struct buf *ob, const struct buf *link, int max_length) {
 	char *buf = (char *)link->data;
 	size_t len = link->size;
@@ -822,6 +846,7 @@ static int dpi_serve_zet(int fd, char *path) {
 	struct buf *ob = bufnew(128);
 	sdhtml_renderer(&callbacks, &options, HTML_ESCAPE);
 	callbacks.link = md_rndr_link;
+	callbacks.image = md_rndr_image;
 	callbacks.autolink = md_rndr_autolink;
 	static const unsigned int extensions =
 		MKDEXT_NO_INTRA_EMPHASIS |