Index: src/codec/SkSampler.h |
diff --git a/src/codec/SkSampler.h b/src/codec/SkSampler.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d7b4c98f235ad1ccb15afa7ff77997aa6d621372 |
--- /dev/null |
+++ b/src/codec/SkSampler.h |
@@ -0,0 +1,27 @@ |
+/* |
+ * 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 SkSampler_DEFINED |
+#define SkSampler_DEFINED |
+ |
+#include "SkTypes.h" |
+ |
+class SkSampler : public SkNoncopyable { |
+public: |
+ /** |
+ * Update the sampler to sample every sampleX'th pixel. Returns the |
+ * width after sampling. |
+ */ |
+ int setSampleX(int sampleX) { |
+ return this->onSetSampleX(sampleX); |
+ } |
+ |
+ virtual ~SkSampler() {} |
+private: |
+ virtual int onSetSampleX(int) = 0; |
+}; |
+ |
+#endif // SkSampler_DEFINED |