libs/hwui/pipeline/skia/AnimatedDrawables.h

/*
 * Copyright (C) 2016 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.
 */

#pragma once

#include "CanvasProperty.h"
#include <utils/RefBase.h>
#include <SkCanvas.h>
#include <SkDrawable.h>

namespace android {
namespace uirenderer {
namespace skiapipeline {

class AnimatedRoundRect : public SkDrawable {
public:
    AnimatedRoundRect(uirenderer::CanvasPropertyPrimitive* left,
            uirenderer::CanvasPropertyPrimitive* top, uirenderer::CanvasPropertyPrimitive* right,
            uirenderer::CanvasPropertyPrimitive* bottom, uirenderer::CanvasPropertyPrimitive* rx,
            uirenderer::CanvasPropertyPrimitive* ry, uirenderer::CanvasPropertyPaint* p)
            : mLeft(left)
            , mTop(top)
            , mRight(right)
            , mBottom(bottom)
            , mRx(rx)
            , mRy(ry)
            , mPaint(p) {}

protected:
    virtual SkRect onGetBounds() override {
        return SkRect::MakeLTRB(mLeft->value, mTop->value, mRight->value, mBottom->value);
    }
    virtual void onDraw(SkCanvas* canvas) override {
        SkRect rect = SkRect::MakeLTRB(mLeft->value, mTop->value, mRight->value, mBottom->value);
        canvas->drawRoundRect(rect, mRx->value, mRy->value, mPaint->value);
    }

private:
    sp<uirenderer::CanvasPropertyPrimitive> mLeft;
    sp<uirenderer::CanvasPropertyPrimitive> mTop;
    sp<uirenderer::CanvasPropertyPrimitive> mRight;
    sp<uirenderer::CanvasPropertyPrimitive> mBottom;
    sp<uirenderer::CanvasPropertyPrimitive> mRx;
    sp<uirenderer::CanvasPropertyPrimitive> mRy;
    sp<uirenderer::CanvasPropertyPaint> mPaint;
};

class AnimatedCircle : public SkDrawable {
public:
    AnimatedCircle(uirenderer::CanvasPropertyPrimitive* x, uirenderer::CanvasPropertyPrimitive* y,
            uirenderer::CanvasPropertyPrimitive* radius, uirenderer::CanvasPropertyPaint* paint)
            : mX(x)
            , mY(y)
            , mRadius(radius)
            , mPaint(paint) {}

protected:
    virtual SkRect onGetBounds() override {
        const float x = mX->value;
        const float y = mY->value;
        const float radius = mRadius->value;
        return SkRect::MakeLTRB(x - radius, y - radius, x + radius, y + radius);
    }
    virtual void onDraw(SkCanvas* canvas) override {
        canvas->drawCircle(mX->value, mY->value, mRadius->value, mPaint->value);
    }

private:
    sp<uirenderer::CanvasPropertyPrimitive> mX;
    sp<uirenderer::CanvasPropertyPrimitive> mY;
    sp<uirenderer::CanvasPropertyPrimitive> mRadius;
    sp<uirenderer::CanvasPropertyPaint> mPaint;
};

}; // namespace skiapipeline
}; // namespace uirenderer
}; // namespace android