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272 lines
9.1 KiB
272 lines
9.1 KiB
/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* * Neither the name of The Linux Foundation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#define ATRACE_TAG ATRACE_TAG_CAMERA |
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#define LOG_TAG "QCamera3CropRegionMapper" |
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// Camera dependencies |
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#include "QCamera3CropRegionMapper.h" |
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#include "QCamera3HWI.h" |
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extern "C" { |
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#include "mm_camera_dbg.h" |
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} |
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using namespace android; |
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namespace qcamera { |
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/*=========================================================================== |
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* FUNCTION : QCamera3CropRegionMapper |
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* |
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* DESCRIPTION: Constructor |
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* |
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* PARAMETERS : None |
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* |
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* RETURN : None |
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*==========================================================================*/ |
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QCamera3CropRegionMapper::QCamera3CropRegionMapper() |
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: mSensorW(0), |
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mSensorH(0), |
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mActiveArrayW(0), |
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mActiveArrayH(0) |
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{ |
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} |
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/*=========================================================================== |
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* FUNCTION : ~QCamera3CropRegionMapper |
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* |
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* DESCRIPTION: destructor |
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* |
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* PARAMETERS : none |
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* |
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* RETURN : none |
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*==========================================================================*/ |
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QCamera3CropRegionMapper::~QCamera3CropRegionMapper() |
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{ |
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} |
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/*=========================================================================== |
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* FUNCTION : update |
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* |
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* DESCRIPTION: update sensor active array size and sensor output size |
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* |
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* PARAMETERS : |
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* @active_array_w : active array width |
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* @active_array_h : active array height |
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* @sensor_w : sensor output width |
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* @sensor_h : sensor output height |
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* |
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* RETURN : none |
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*==========================================================================*/ |
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void QCamera3CropRegionMapper::update(uint32_t active_array_w, |
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uint32_t active_array_h, uint32_t sensor_w, |
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uint32_t sensor_h) |
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{ |
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// Sanity check |
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if (active_array_w == 0 || active_array_h == 0 || |
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sensor_w == 0 || sensor_h == 0) { |
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LOGE("active_array size and sensor output size must be non zero"); |
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return; |
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} |
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if (active_array_w < sensor_w || active_array_h < sensor_h) { |
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LOGE("invalid input: active_array [%d, %d], sensor size [%d, %d]", |
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active_array_w, active_array_h, sensor_w, sensor_h); |
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return; |
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} |
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mSensorW = sensor_w; |
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mSensorH = sensor_h; |
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mActiveArrayW = active_array_w; |
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mActiveArrayH = active_array_h; |
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LOGH("active_array: %d x %d, sensor size %d x %d", |
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mActiveArrayW, mActiveArrayH, mSensorW, mSensorH); |
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} |
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/*=========================================================================== |
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* FUNCTION : toActiveArray |
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* |
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* DESCRIPTION: Map crop rectangle from sensor output space to active array space |
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* |
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* PARAMETERS : |
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* @crop_left : x coordinate of top left corner of rectangle |
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* @crop_top : y coordinate of top left corner of rectangle |
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* @crop_width : width of rectangle |
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* @crop_height : height of rectangle |
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* |
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* RETURN : none |
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*==========================================================================*/ |
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void QCamera3CropRegionMapper::toActiveArray(int32_t& crop_left, int32_t& crop_top, |
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int32_t& crop_width, int32_t& crop_height) |
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{ |
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if (mSensorW == 0 || mSensorH == 0 || |
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mActiveArrayW == 0 || mActiveArrayH == 0) { |
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LOGE("sensor/active array sizes are not initialized!"); |
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return; |
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} |
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crop_left = crop_left * mActiveArrayW / mSensorW; |
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crop_top = crop_top * mActiveArrayH / mSensorH; |
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crop_width = crop_width * mActiveArrayW / mSensorW; |
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crop_height = crop_height * mActiveArrayH / mSensorH; |
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boundToSize(crop_left, crop_top, crop_width, crop_height, |
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mActiveArrayW, mActiveArrayH); |
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} |
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/*=========================================================================== |
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* FUNCTION : toSensor |
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* |
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* DESCRIPTION: Map crop rectangle from active array space to sensor output space |
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* |
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* PARAMETERS : |
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* @crop_left : x coordinate of top left corner of rectangle |
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* @crop_top : y coordinate of top left corner of rectangle |
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* @crop_width : width of rectangle |
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* @crop_height : height of rectangle |
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* |
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* RETURN : none |
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*==========================================================================*/ |
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void QCamera3CropRegionMapper::toSensor(int32_t& crop_left, int32_t& crop_top, |
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int32_t& crop_width, int32_t& crop_height) |
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{ |
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if (mSensorW == 0 || mSensorH == 0 || |
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mActiveArrayW == 0 || mActiveArrayH == 0) { |
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LOGE("sensor/active array sizes are not initialized!"); |
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return; |
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} |
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crop_left = crop_left * mSensorW / mActiveArrayW; |
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crop_top = crop_top * mSensorH / mActiveArrayH; |
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crop_width = crop_width * mSensorW / mActiveArrayW; |
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crop_height = crop_height * mSensorH / mActiveArrayH; |
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LOGD("before bounding left %d, top %d, width %d, height %d", |
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crop_left, crop_top, crop_width, crop_height); |
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boundToSize(crop_left, crop_top, crop_width, crop_height, |
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mSensorW, mSensorH); |
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LOGD("after bounding left %d, top %d, width %d, height %d", |
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crop_left, crop_top, crop_width, crop_height); |
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} |
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/*=========================================================================== |
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* FUNCTION : boundToSize |
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* |
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* DESCRIPTION: Bound a particular rectangle inside a bounding box |
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* |
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* PARAMETERS : |
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* @left : x coordinate of top left corner of rectangle |
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* @top : y coordinate of top left corner of rectangle |
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* @width : width of rectangle |
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* @height : height of rectangle |
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* @bound_w : width of bounding box |
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* @bound_y : height of bounding box |
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* |
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* RETURN : none |
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*==========================================================================*/ |
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void QCamera3CropRegionMapper::boundToSize(int32_t& left, int32_t& top, |
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int32_t& width, int32_t& height, int32_t bound_w, int32_t bound_h) |
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{ |
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if (left < 0) { |
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left = 0; |
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} |
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if (top < 0) { |
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top = 0; |
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} |
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if ((left + width) > bound_w) { |
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width = bound_w - left; |
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} |
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if ((top + height) > bound_h) { |
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height = bound_h - top; |
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} |
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} |
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/*=========================================================================== |
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* FUNCTION : toActiveArray |
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* |
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* DESCRIPTION: Map co-ordinate from sensor output space to active array space |
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* |
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* PARAMETERS : |
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* @x : x coordinate |
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* @y : y coordinate |
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* |
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* RETURN : none |
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*==========================================================================*/ |
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void QCamera3CropRegionMapper::toActiveArray(uint32_t& x, uint32_t& y) |
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{ |
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if (mSensorW == 0 || mSensorH == 0 || |
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mActiveArrayW == 0 || mActiveArrayH == 0) { |
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LOGE("sensor/active array sizes are not initialized!"); |
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return; |
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} |
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if ((x > static_cast<uint32_t>(mSensorW)) || |
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(y > static_cast<uint32_t>(mSensorH))) { |
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LOGE("invalid co-ordinate (%d, %d) in (0, 0, %d, %d) space", |
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x, y, mSensorW, mSensorH); |
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return; |
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} |
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x = x * mActiveArrayW / mSensorW; |
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y = y * mActiveArrayH / mSensorH; |
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} |
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/*=========================================================================== |
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* FUNCTION : toSensor |
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* |
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* DESCRIPTION: Map co-ordinate from active array space to sensor output space |
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* |
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* PARAMETERS : |
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* @x : x coordinate |
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* @y : y coordinate |
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* |
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* RETURN : none |
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*==========================================================================*/ |
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void QCamera3CropRegionMapper::toSensor(uint32_t& x, uint32_t& y) |
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{ |
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if (mSensorW == 0 || mSensorH == 0 || |
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mActiveArrayW == 0 || mActiveArrayH == 0) { |
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LOGE("sensor/active array sizes are not initialized!"); |
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return; |
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} |
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if ((x > static_cast<uint32_t>(mActiveArrayW)) || |
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(y > static_cast<uint32_t>(mActiveArrayH))) { |
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LOGE("invalid co-ordinate (%d, %d) in (0, 0, %d, %d) space", |
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x, y, mSensorW, mSensorH); |
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return; |
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} |
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x = x * mSensorW / mActiveArrayW; |
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y = y * mSensorH / mActiveArrayH; |
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} |
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}; //end namespace android
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