grab from latest android
git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/animator/SkBoundable.cpp b/src/animator/SkBoundable.cpp
new file mode 100644
index 0000000..f2125ea
--- /dev/null
+++ b/src/animator/SkBoundable.cpp
@@ -0,0 +1,64 @@
+/* libs/graphics/animator/SkBoundable.cpp
+**
+** Copyright 2006, 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 "SkBoundable.h"
+#include "SkAnimateMaker.h"
+#include "SkCanvas.h"
+
+SkBoundable::SkBoundable() {
+ clearBounds();
+ fBounds.fTop = 0;
+ fBounds.fRight = 0;
+ fBounds.fBottom = 0;
+}
+
+void SkBoundable::clearBounder() {
+ fBounds.fLeft = 0x7fff;
+}
+
+void SkBoundable::getBounds(SkRect* rect) {
+ SkASSERT(rect);
+ if (fBounds.fLeft == (int16_t)0x8000U) {
+ INHERITED::getBounds(rect);
+ return;
+ }
+ rect->fLeft = SkIntToScalar(fBounds.fLeft);
+ rect->fTop = SkIntToScalar(fBounds.fTop);
+ rect->fRight = SkIntToScalar(fBounds.fRight);
+ rect->fBottom = SkIntToScalar(fBounds.fBottom);
+}
+
+void SkBoundable::enableBounder() {
+ fBounds.fLeft = 0;
+}
+
+
+SkBoundableAuto::SkBoundableAuto(SkBoundable* boundable,
+ SkAnimateMaker& maker) : fBoundable(boundable), fMaker(maker) {
+ if (fBoundable->hasBounds()) {
+ fMaker.fCanvas->setBounder(&maker.fDisplayList);
+ fMaker.fDisplayList.fBounds.setEmpty();
+ }
+}
+
+SkBoundableAuto::~SkBoundableAuto() {
+ if (fBoundable->hasBounds() == false)
+ return;
+ fMaker.fCanvas->setBounder(NULL);
+ fBoundable->setBounds(fMaker.fDisplayList.fBounds);
+}
+