2 files changed, 28 insertions, 1 deletions
diff --git a/include/fitz/shade.h b/include/fitz/shade.h
new file mode 100644
index 00000000..7641f609
--- /dev/null
+++ b/include/fitz/shade.h
@@ -0,0 +1,15 @@
+typedef struct fz_shade_s fz_shade;
+
+struct fz_shade_s
+{
+	int refs;
+	fz_colorspace *cs;
+	// ...
+};
+
+fz_shade *fz_keepshade(fz_shade *shade);
+void fz_dropshade(fz_shade *shade);
+
+fz_rect fz_boundshade(fz_shade *shade, fz_matrix ctm);
+fz_error *fz_rendershade(fz_shade *shade, fz_matrix ctm, fz_colorspace *dsts, fz_pixmap *dstp, int over);
+
diff --git a/include/fitz/tree.h b/include/fitz/tree.h
index 57175619..15e4bcf1 100644
--- a/include/fitz/tree.h
+++ b/include/fitz/tree.h
@@ -15,7 +15,12 @@ void fz_droptree(fz_tree *tree);
 
 fz_rect fz_boundtree(fz_tree *tree, fz_matrix ctm);
 void fz_debugtree(fz_tree *tree);
-void fz_insertnode(fz_node *parent, fz_node *child);
+void fz_insertnodefirst(fz_node *parent, fz_node *child);
+void fz_insertnodelast(fz_node *parent, fz_node *child);
+void fz_insertnodeafter(fz_node *prev, fz_node *child);
+void fz_removenode(fz_node *child);
+
+fz_error *fz_optimizetree(fz_tree *tree);
 
 /* node types */
 
@@ -133,6 +138,12 @@ struct fz_imagenode_s
 	fz_image *image;
 };
 
+struct fz_shadenode_s
+{
+	fz_node super;
+	fz_shade *shade;
+};
+
 /* common to all nodes */
 void fz_initnode(fz_node *node, fz_nodekind kind);
 fz_rect fz_boundnode(fz_node *node, fz_matrix ctm);
@@ -155,6 +166,7 @@ int fz_ismetanode(fz_node *node);
 fz_error *fz_newlinknode(fz_node **nodep, fz_tree *subtree);
 fz_error *fz_newcolornode(fz_node **nodep, fz_colorspace *cs, int n, float *v);
 fz_error *fz_newimagenode(fz_node **nodep, fz_image *image);
+fz_error *fz_newshadenode(fz_node **nodep, fz_shade *shade);
 
 int fz_islinknode(fz_node *node);
 int fz_iscolornode(fz_node *node);