1 files changed, 49 insertions, 0 deletions
diff --git a/tree/image.c b/tree/image.c
new file mode 100644
index 00000000..7991ded3
--- /dev/null
+++ b/tree/image.c
@@ -0,0 +1,49 @@
+#include <fitz.h>
+
+fz_error *
+fz_newimage(fz_node **nodep, int w, int h, int n, int bpc, int cs)
+{
+	fz_image *node;
+
+	node = fz_malloc(sizeof (fz_image));
+	if (!node)
+		return fz_outofmem;
+	*nodep = (fz_node*)node;
+
+	fz_initnode((fz_node*)node, FZ_NIMAGE);
+	node->w = w;
+	node->h = h;
+	node->n = n;
+	node->bpc = bpc;
+	node->cs = cs;
+	node->data = nil;
+
+	return nil;
+}
+
+void
+fz_freeimage(fz_image *node)
+{
+	fz_free(node->data);
+	fz_free(node);
+}
+
+fz_rect
+fz_boundimage(fz_image *node, fz_matrix ctm)
+{
+	fz_point ll, lr, ul, ur;
+	fz_rect r;
+
+	ll = fz_transformpoint(ctm, (fz_point){0,0});
+	lr = fz_transformpoint(ctm, (fz_point){1,0});
+	ul = fz_transformpoint(ctm, (fz_point){0,1});
+	ur = fz_transformpoint(ctm, (fz_point){1,1});
+
+	r.min.x = MIN4(ll.x, lr.x, ul.x, ur.x);
+	r.min.y = MIN4(ll.y, lr.y, ul.y, ur.y);
+	r.max.x = MAX4(ll.x, lr.x, ul.x, ur.x);
+	r.max.y = MAX4(ll.y, lr.y, ul.y, ur.y);
+
+	return r;
+}
+