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-rw-r--r--gyp/core.gypi2
-rw-r--r--include/core/SkSwizzle.h19
-rw-r--r--src/core/SkSwizzle.cpp16
-rw-r--r--tests/SwizzlerTest.cpp10
4 files changed, 47 insertions, 0 deletions
diff --git a/gyp/core.gypi b/gyp/core.gypi
index 7c873c926e..443029d49e 100644
--- a/gyp/core.gypi
+++ b/gyp/core.gypi
@@ -280,6 +280,7 @@
'<(skia_src_path)/core/SkStrokerPriv.cpp',
'<(skia_src_path)/core/SkStrokerPriv.h',
'<(skia_src_path)/core/SkSurfacePriv.h',
+ '<(skia_src_path)/core/SkSwizzle.cpp',
'<(skia_src_path)/core/SkTaskGroup.cpp',
'<(skia_src_path)/core/SkTaskGroup.h',
'<(skia_src_path)/core/SkTDPQueue.h',
@@ -393,6 +394,7 @@
'<(skia_include_path)/core/SkString.h',
'<(skia_include_path)/core/SkStrokeRec.h',
'<(skia_include_path)/core/SkSurface.h',
+ '<(skia_include_path)/core/SkSwizzle.h',
'<(skia_include_path)/core/SkTRegistry.h',
'<(skia_include_path)/core/SkTextBlob.h',
'<(skia_include_path)/core/SkTime.h',
diff --git a/include/core/SkSwizzle.h b/include/core/SkSwizzle.h
new file mode 100644
index 0000000000..73e59e386a
--- /dev/null
+++ b/include/core/SkSwizzle.h
@@ -0,0 +1,19 @@
+/*
+ * 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 SkSwizzle_DEFINED
+#define SkSwizzle_DEFINED
+
+#include "SkTypes.h"
+
+/**
+ Swizzles byte order of |count| 32-bit pixels, swapping R and B.
+ (RGBA <-> BGRA)
+*/
+void SkSwapRB(uint32_t* dest, const uint32_t* src, int count);
+
+#endif
diff --git a/src/core/SkSwizzle.cpp b/src/core/SkSwizzle.cpp
new file mode 100644
index 0000000000..9c1971817b
--- /dev/null
+++ b/src/core/SkSwizzle.cpp
@@ -0,0 +1,16 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkSwizzle.h"
+
+#include "SkOpts.h"
+
+void SkSwapRB(uint32_t* dest, const uint32_t* src, int count) {
+ SkOpts::RGBA_to_BGRA(dest, src, count);
+}
+
+
diff --git a/tests/SwizzlerTest.cpp b/tests/SwizzlerTest.cpp
index e1626d52f1..1b34669f97 100644
--- a/tests/SwizzlerTest.cpp
+++ b/tests/SwizzlerTest.cpp
@@ -5,6 +5,7 @@
* found in the LICENSE file.
*/
+#include "SkSwizzle.h"
#include "SkSwizzler.h"
#include "Test.h"
#include "SkOpts.h"
@@ -157,3 +158,12 @@ DEF_TEST(SwizzleOpts, r) {
SkOpts::RGBA_to_bgrA(&dst, &src, 1);
REPORTER_ASSERT(r, dst == 0xFA04ADCA);
}
+
+DEF_TEST(PublicSwizzleOpts, r) {
+ uint32_t dst, src;
+
+ // check a totally arbitrary color
+ src = 0xFACEB004;
+ SkSwapRB(&dst, &src, 1);
+ REPORTER_ASSERT(r, dst == 0xFA04B0CE);
+}