/* 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