97 lines
2.4 KiB
C++
97 lines
2.4 KiB
C++
/*
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* Copyright (C) 2015-2017 Intel Corporation
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* Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd
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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 _CAMERA3_HAL_CAMERA_WINDOW_H_
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#define _CAMERA3_HAL_CAMERA_WINDOW_H_
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#include <utils/Errors.h>
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#include <stdint.h>
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#include "3ATypes.h"
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#include "FrameInfo.h"
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NAMESPACE_DECLARATION {
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class CameraWindow;
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/**
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* \struct Range
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* interval defined by 2 numbers.
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*/
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typedef struct Range {
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int start;
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int end;
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bool isEmpty() { return (start == end)? true: false; }
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} Range;
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/**
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* \class CameraWindow
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* Weighted rectangle in a coordinate system where the top left corner is 0,0
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*/
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class CameraWindow {
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public:
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CameraWindow();
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/**
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* Initializators
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*/
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void init(ia_coordinate topLeft,ia_coordinate bottomRight, int aWeight);
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void init(ia_coordinate topLeft,int width, int height, int aWeight);
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void init(int aWeight);
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/**
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* Queries
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*/
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bool isValid();
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ia_coordinate center(){ return mCenter; }
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int width() const { return mWidth; }
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int height() const { return mHeight; }
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int left() const { return mXleft; }
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int right() const { return mXright; }
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int top() const { return mYtop; }
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int bottom() const { return mYbottom; }
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int weight() const { return mWeight; }
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int* meteringRectangle();
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/**
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* Operations
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* This methods modify the values of the window
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*/
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CameraWindow scale(float widthRatio, float heightRatio);
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// in place modification
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void clip(CameraWindow &clippingRegion);
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/**
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* Debug support
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*/
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void dump();
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private:
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inline void _calculateCenter();
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Range _intersect(Range range1, Range range2);
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private:
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int mXleft;
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int mXright;
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int mYtop;
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int mYbottom;
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int mWeight;
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int mWidth;
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int mHeight;
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ia_coordinate mCenter;
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int mMeteringRectangle[5];
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};
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} NAMESPACE_DECLARATION_END
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#endif // _CAMERA3_HAL_CAMERA_WINDOW_H_
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