1 files changed, 49 insertions, 0 deletions
diff --git a/src/core/SkMask.cpp b/src/core/SkMask.cpp
new file mode 100644
index 0000000..b237639
--- /dev/null
+++ b/src/core/SkMask.cpp
@@ -0,0 +1,49 @@
+/* libs/graphics/sgl/SkMask.cpp
+**
+** Copyright 2007, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+
+#include "SkMask.h"
+
+size_t SkMask::computeImageSize() const
+{
+    return fBounds.height() * fRowBytes;
+}
+
+size_t SkMask::computeTotalImageSize() const
+{
+    size_t size = this->computeImageSize();
+
+    if (fFormat == SkMask::k3D_Format)
+        size *= 3;
+    return size;
+}
+
+/** We explicitly use this allocator for SkBimap pixels, so that we can
+    freely assign memory allocated by one class to the other.
+*/
+uint8_t* SkMask::AllocImage(size_t size)
+{
+    return (uint8_t*)sk_malloc_throw(SkAlign4(size));
+}
+
+/** We explicitly use this allocator for SkBimap pixels, so that we can
+    freely assign memory allocated by one class to the other.
+*/
+void SkMask::FreeImage(void* image)
+{
+    sk_free(image);
+}
+