Revert "Create a semi-stable API for capturing the state of an SkCanvas and reconstructing that state across different versions of Skia."

This reverts r11010.

Review URL: https://codereview.chromium.org/23757008

git-svn-id: http://skia.googlecode.com/svn/trunk@11011 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 0 insertions, 76 deletions

diff --git a/include/utils/SkCanvasStateUtils.h b/include/utils/SkCanvasStateUtils.h
deleted file mode 100644
index a558ba89b7..0000000000
--- a/include/utils/SkCanvasStateUtils.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright 2013 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef SkCanvasStateUtils_DEFINED
-#define SkCanvasStateUtils_DEFINED
-
-#include "SkCanvas.h"
-
-struct SkCanvasState;
-
-/**
- * A set of functions that are useful for copying an SkCanvas across a library
- * boundary where the Skia libraries on either side of the boundary may not be
- * version identical.  The expected usage is outline below...
- *
- *                          Lib Boundary
- * CaptureCanvasState(...)      |||
- *   SkCanvas --> SkCanvasState |||
- *                              ||| CreateFromCanvasState(...)
- *                              |||   SkCanvasState --> SkCanvas`
- *                              ||| Draw into SkCanvas`
- *                              ||| Unref SkCanvas`
- * ReleaseCanvasState(...)      |||
- *
- */
-namespace SkCanvasStateUtils {
-    /**
-     * Captures the current state of the canvas into an opaque ptr that is safe
-     * to pass between different instances of Skia (which may or may not be the
-     * same version). The function will return NULL in the event that one of the
-     * following conditions are true.
-     *  1) the canvas device type is not supported (currently only raster is supported)
-     *  2) the canvas clip type is not supported (currently only non-AA clips are supported)
-     *
-     * It is recommended that the original canvas also not be used until all
-     * canvases that have been created using its captured state have been dereferenced.
-     *
-     * Finally, it is important to note that any draw filters attached to the
-     * canvas are NOT currently captured.
-     *
-     * @param canvas The canvas you wish to capture the current state of.
-     * @return NULL or an opaque ptr that can be passed to CreateFromCanvasState
-     *         to reconstruct the canvas. The caller is responsible for calling
-     *         ReleaseCanvasState to free the memory associated with this state.
-     */
-    SK_API SkCanvasState* CaptureCanvasState(SkCanvas* canvas);
-
-    /**
-     * Create a new SkCanvas from the captured state of another SkCanvas. The
-     * function will return NULL in the event that one of the
-     * following conditions are true.
-     *  1) the captured state is in an unrecognized format
-     *  2) the captured canvas device type is not supported
-     *
-     * @param canvas The canvas you wish to capture the current state of.
-     * @return NULL or an SkCanvas* whose devices and matrix/clip state are
-     *         identical to the captured canvas. The caller is responsible for
-     *         calling unref on the SkCanvas.
-     */
-    SK_API SkCanvas* CreateFromCanvasState(const SkCanvasState* state);
-
-    /**
-     * Free the memory associated with the captured canvas state.  The state
-     * should not be released until all SkCanvas objects created using that
-     * state have been dereferenced.
-     *
-     * @param state The captured state you wish to dispose of.
-     */
-    SK_API void ReleaseCanvasState(SkCanvasState* state);
-};
-
-#endif