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