From 3c9ddacff9b86069f35c92a7a1faa8bcae3276f7 Mon Sep 17 00:00:00 2001
From: Matthew Leibowitz <mattleibow@live.com>
Date: Thu, 24 May 2018 19:09:50 +0200
Subject: [PATCH] Adding bindings for SkNWayCanvas and SkNoDrawCanvas

---
 include/c/sk_canvas.h |  9 +++++++++
 include/c/sk_types.h  |  2 ++
 src/c/sk_canvas.cpp   | 28 ++++++++++++++++++++++++++++
 src/c/sk_types_priv.h | 18 ++++++++++++++++++
 4 files changed, 57 insertions(+)

diff --git a/include/c/sk_canvas.h b/include/c/sk_canvas.h
index cd44564..6c7f799 100644
--- a/include/c/sk_canvas.h
+++ b/include/c/sk_canvas.h
@@ -351,6 +351,15 @@ SK_C_API void sk_canvas_draw_image_nine(sk_canvas_t* t, const sk_image_t* image,
 
 SK_C_API void sk_canvas_draw_vertices(sk_canvas_t* ccanvas, sk_vertices_t* vertices, sk_blendmode_t mode, const sk_paint_t* paint);
 
+SK_C_API sk_nodraw_canvas_t* sk_nodraw_canvas_new(int width, int height);
+SK_C_API void sk_nodraw_canvas_destroy(sk_nodraw_canvas_t*);
+
+SK_C_API sk_nway_canvas_t* sk_nway_canvas_new(int width, int height);
+SK_C_API void sk_nway_canvas_destroy(sk_nway_canvas_t*);
+SK_C_API void sk_nway_canvas_add_canvas(sk_nway_canvas_t*, sk_canvas_t* canvas);
+SK_C_API void sk_nway_canvas_remove_canvas(sk_nway_canvas_t*, sk_canvas_t* canvas);
+SK_C_API void sk_nway_canvas_remove_all(sk_nway_canvas_t*);
+
 SK_C_PLUS_PLUS_END_GUARD
 
 #endif
diff --git a/include/c/sk_types.h b/include/c/sk_types.h
index 905bd5b..c8d4bb6 100644
--- a/include/c/sk_types.h
+++ b/include/c/sk_types.h
@@ -183,6 +183,8 @@ typedef enum {
     and a stack of matrix/clip values.
 */
 typedef struct sk_canvas_t sk_canvas_t;
+typedef struct sk_nodraw_canvas_t sk_nodraw_canvas_t;
+typedef struct sk_nway_canvas_t sk_nway_canvas_t;
 /**
     A sk_data_ holds an immutable data buffer.
 */
diff --git a/src/c/sk_canvas.cpp b/src/c/sk_canvas.cpp
index 1266be6..d055834 100644
--- a/src/c/sk_canvas.cpp
+++ b/src/c/sk_canvas.cpp
@@ -297,3 +297,31 @@ void sk_canvas_draw_image_nine(sk_canvas_t* ccanvas,
 void sk_canvas_draw_vertices(sk_canvas_t* ccanvas, sk_vertices_t* vertices, sk_blendmode_t mode, const sk_paint_t* paint) {
     AsCanvas(ccanvas)->drawVertices(AsVertices(vertices), (SkBlendMode)mode, AsPaint(*paint));
 }
+
+sk_nodraw_canvas_t* sk_nodraw_canvas_new(int width, int height) {
+    return ToNoDrawCanvas(new SkNoDrawCanvas(width, height));
+}
+
+void sk_nodraw_canvas_destroy(sk_nodraw_canvas_t* t) {
+    delete AsNoDrawCanvas(t);
+}
+
+sk_nway_canvas_t* sk_nway_canvas_new(int width, int height) {
+    return ToNWayCanvas(new SkNWayCanvas(width, height));
+}
+
+void sk_nway_canvas_destroy(sk_nway_canvas_t* t) {
+    delete AsNWayCanvas(t);
+}
+
+void sk_nway_canvas_add_canvas(sk_nway_canvas_t* t, sk_canvas_t* canvas) {
+    AsNWayCanvas(t)->addCanvas(AsCanvas(canvas));
+}
+
+void sk_nway_canvas_remove_canvas(sk_nway_canvas_t* t, sk_canvas_t* canvas) {
+    AsNWayCanvas(t)->removeCanvas(AsCanvas(canvas));
+}
+
+void sk_nway_canvas_remove_all(sk_nway_canvas_t* t) {
+    AsNWayCanvas(t)->removeAll();
+}
diff --git a/src/c/sk_types_priv.h b/src/c/sk_types_priv.h
index dd34545..fa85479 100644
--- a/src/c/sk_types_priv.h
+++ b/src/c/sk_types_priv.h
@@ -10,6 +10,8 @@
 
 #include "SkImageInfo.h"
 #include "SkCanvas.h"
+#include "SkNoDrawCanvas.h"
+#include "SkNWayCanvas.h"
 #include "SkSurface.h"
 #include "SkVertices.h"
 #include "SkBlurTypes.h"
@@ -251,6 +253,22 @@ static inline SkCanvas* AsCanvas(sk_canvas_t* ccanvas) {
     return reinterpret_cast<SkCanvas*>(ccanvas);
 }
 
+static inline sk_nodraw_canvas_t* ToNoDrawCanvas(SkNoDrawCanvas* canvas) {
+    return reinterpret_cast<sk_nodraw_canvas_t*>(canvas);
+}
+
+static inline SkNoDrawCanvas* AsNoDrawCanvas(sk_nodraw_canvas_t* ccanvas) {
+    return reinterpret_cast<SkNoDrawCanvas*>(ccanvas);
+}
+
+static inline sk_nway_canvas_t* ToNWayCanvas(SkNWayCanvas* canvas) {
+    return reinterpret_cast<sk_nway_canvas_t*>(canvas);
+}
+
+static inline SkNWayCanvas* AsNWayCanvas(sk_nway_canvas_t* ccanvas) {
+    return reinterpret_cast<SkNWayCanvas*>(ccanvas);
+}
+
 static inline SkPictureRecorder* AsPictureRecorder(sk_picture_recorder_t* crec) {
     return reinterpret_cast<SkPictureRecorder*>(crec);
 }
-- 
2.7.4