[NOT FOR COMMIT] Fully replace SkCanvas uses.

skia/ext/cdl_no_draw_canvas.h

+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SKIA_EXT_CDL_NO_DRAW_CANVAS_H_
+#define SKIA_EXT_CDL_NO_DRAW_CANVAS_H_
+
+#include "cdl_common.h"
+
+#if CDL_ENABLED
+
+#include "cdl_canvas.h"
+
+class SK_API CdlNoDrawCanvas : public CdlCanvas {
+ public:
+  CdlNoDrawCanvas(int width, int height);
+  ~CdlNoDrawCanvas() override;
+
+ protected:
+  // TODO(cdl): Decide if we should skip computing clips at paint time.
+  void onClipRect(const SkRect&, SkCanvas::ClipOp, ClipEdgeStyle) override {}
+  void onClipRRect(const SkRRect&, SkCanvas::ClipOp, ClipEdgeStyle) override {}
+  void onClipPath(const SkPath&, SkCanvas::ClipOp, ClipEdgeStyle) override {}
+  void onClipRegion(const SkRegion&, SkCanvas::ClipOp) override {}
+
+  void onDiscard() override {}
+
+  void onDrawPaint(const CdlPaint&) override {}
+  void onDrawPath(const SkPath&, const CdlPaint&) override {}
+  void onDrawRect(const SkRect&, const CdlPaint&) override {}
+  void onDrawRRect(const SkRRect&, const CdlPaint&) override {}
+  void onDrawDRRect(const SkRRect&, const SkRRect&, const CdlPaint&) override {}
+  void onDrawOval(const SkRect&, const CdlPaint&) override {}
+
+  void onDrawPicture(const CdlPicture* picture,
+                     const SkMatrix* matrix,
+                     const CdlPaint* paint) override {}
+  void onDrawAnnotation(const SkRect&, const char[], SkData*) override {}
+
+  void onDrawText(const void*,
+                  size_t,
+                  SkScalar x,
+                  SkScalar y,
+                  const CdlPaint&) override {}
+  void onDrawPosText(const void*,
+                     size_t,
+                     const SkPoint[],
+                     const CdlPaint&) override {}
+
+  void onDrawTextBlob(const SkTextBlob*,
+                      SkScalar,
+                      SkScalar,
+                      const CdlPaint&) override {}
+
+  void onDrawImage(const SkImage*,
+                   SkScalar,
+                   SkScalar,
+                   const CdlPaint*) override {}
+
+  void onDrawImageRect(const SkImage*,
+                       const SkRect*,
+                       const SkRect&,
+                       const CdlPaint*,
+                       SkCanvas::SrcRectConstraint) override {}
+
+  void onDrawPoints(SkCanvas::PointMode,
+                    size_t count,
+                    const SkPoint pts[],
+                    const CdlPaint&) override {}
+};
+
+#else  // CDL_ENABLED
+
+#include "third_party/skia/include/utils/SkNoDrawCanvas.h"
+
+#endif  // CDL_ENABLED
+
+#endif  // SKIA_EXT_CDL_NO_DRAW_CANVAS_H_