113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_LAYER_ORIENTATION_ANIM_H
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#define ANDROID_LAYER_ORIENTATION_ANIM_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/threads.h>
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#include <utils/Parcel.h>
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#include "LayerBase.h"
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#include "LayerBitmap.h"
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namespace android {
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// ---------------------------------------------------------------------------
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class OrientationAnimation;
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class LayerOrientationAnimBase : public LayerBase
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{
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public:
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LayerOrientationAnimBase(SurfaceFlinger* flinger, DisplayID display)
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: LayerBase(flinger, display) {
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}
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virtual void onOrientationCompleted() = 0;
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};
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// ---------------------------------------------------------------------------
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class LayerOrientationAnim : public LayerOrientationAnimBase
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{
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public:
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static const uint32_t typeInfo;
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static const char* const typeID;
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virtual char const* getTypeID() const { return typeID; }
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virtual uint32_t getTypeInfo() const { return typeInfo; }
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LayerOrientationAnim(SurfaceFlinger* flinger, DisplayID display,
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OrientationAnimation* anim,
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const LayerBitmap& bitmapIn,
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const LayerBitmap& bitmapOut);
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virtual ~LayerOrientationAnim();
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void onOrientationCompleted();
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virtual void onDraw(const Region& clip) const;
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virtual Point getPhysicalSize() const;
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virtual void validateVisibility(const Transform& globalTransform);
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virtual bool needsBlending() const;
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virtual bool isSecure() const { return false; }
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private:
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void drawScaled(float scale, float alphaIn, float alphaOut) const;
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class Lerp {
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float in;
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float outMinusIn;
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public:
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Lerp() : in(0), outMinusIn(0) { }
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Lerp(float in, float out) : in(in), outMinusIn(out-in) { }
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float getIn() const { return in; };
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float getOut() const { return in + outMinusIn; }
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void set(float in, float out) {
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this->in = in;
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this->outMinusIn = out-in;
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}
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void setIn(float in) {
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this->in = in;
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}
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void setOut(float out) {
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this->outMinusIn = out - this->in;
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}
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float operator()(float t) const {
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return outMinusIn*t + in;
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}
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};
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OrientationAnimation* mAnim;
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LayerBitmap mBitmapIn;
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LayerBitmap mBitmapOut;
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nsecs_t mStartTime;
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nsecs_t mFinishTime;
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bool mOrientationCompleted;
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mutable bool mFirstRedraw;
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mutable float mLastNormalizedTime;
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mutable GLuint mTextureName;
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mutable GLuint mTextureNameIn;
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mutable bool mNeedsBlending;
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mutable Lerp mAlphaInLerp;
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mutable Lerp mAlphaOutLerp;
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};
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// ---------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_LAYER_ORIENTATION_ANIM_H
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