move SkBitmapProvider to its own file
BUG=skia:
Review URL: https://codereview.chromium.org/1346713002
diff --git a/src/core/SkBitmapProvider.h b/src/core/SkBitmapProvider.h
new file mode 100644
index 0000000..72964e4
--- /dev/null
+++ b/src/core/SkBitmapProvider.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkBitmapProvider_DEFINED
+#define SkBitmapProvider_DEFINED
+
+#include "SkBitmap.h"
+#include "SkImage.h"
+#include "SkBitmapCache.h"
+
+class SkBitmapProvider {
+public:
+ explicit SkBitmapProvider(const SkBitmap& bm) : fBitmap(bm) {}
+ explicit SkBitmapProvider(const SkImage* img) : fImage(SkSafeRef(img)) {}
+ SkBitmapProvider(const SkBitmapProvider& other)
+ : fBitmap(other.fBitmap)
+ , fImage(SkSafeRef(other.fImage.get()))
+ {}
+
+ int width() const;
+ int height() const;
+ uint32_t getID() const;
+
+ bool validForDrawing() const;
+ SkImageInfo info() const;
+
+ SkBitmapCacheDesc makeCacheDesc(int w, int h) const;
+ SkBitmapCacheDesc makeCacheDesc() const;
+ void notifyAddedToCache() const;
+
+ // Only call this if you're sure you need the bits, since it maybe expensive
+ // ... cause a decode and cache, or gpu-readback
+ bool asBitmap(SkBitmap*) const;
+
+private:
+ SkBitmap fBitmap;
+ SkAutoTUnref<const SkImage> fImage;
+};
+
+#endif