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Unified Diff: include/images/SkForceLinking.h

Issue 15806010: Separate core and images project. (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Leave SkImageDecoder_iOS alone. Created 7 years, 7 months ago
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Index: include/images/SkForceLinking.h
diff --git a/include/images/SkForceLinking.h b/include/images/SkForceLinking.h
new file mode 100644
index 0000000000000000000000000000000000000000..363d082f596e8050fd39d3ce2ff038131e3fd343
--- /dev/null
+++ b/include/images/SkForceLinking.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/**
+ * This function's sole purpose is to trick the linker into not discarding
+ * SkImageDecoder subclasses just because we do not directly call them.
+ * This is necessary in applications that will create image decoders from
+ * a stream.
+ * Call this function with an expression that evaluates to false to ensure
robertphillips 2013/05/28 23:22:56 includes
scroggo 2013/05/29 17:34:20 Done.
+ * that the linker include the subclasses.
+ * Passing true will result in leaked objects.
+ */
+int SkForceLinking(bool doNotPassTrue);
+
+#define FORCE_LINKING \
robertphillips 2013/05/28 23:22:56 what do you think about an __SK__ prefix?
scroggo 2013/05/29 17:34:20 Done.
+static int linking_forced = SkForceLinking(false)
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