1 /* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved. 2 * 3 * Redistribution and use in source and binary forms, with or without 4 * modification, are permitted provided that the following conditions are 5 * met: 6 * * Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer in the documentation and/or other materials provided 11 * with the distribution. 12 * * Neither the name of The Linux Foundation nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 30 31 #define ATRACE_TAG ATRACE_TAG_CAMERA 32 #define LOG_TAG "QCamera3CropRegionMapper" 33 34 // Camera dependencies 35 #include "QCamera3CropRegionMapper.h" 36 #include "QCamera3HWI.h" 37 38 extern "C" { 39 #include "mm_camera_dbg.h" 40 } 41 42 using namespace android; 43 44 namespace qcamera { 45 46 /*=========================================================================== 47 * FUNCTION : QCamera3CropRegionMapper 48 * 49 * DESCRIPTION: Constructor 50 * 51 * PARAMETERS : None 52 * 53 * RETURN : None 54 *==========================================================================*/ 55 QCamera3CropRegionMapper::QCamera3CropRegionMapper() 56 : mSensorW(0), 57 mSensorH(0), 58 mActiveArrayW(0), 59 mActiveArrayH(0) 60 { 61 } 62 63 /*=========================================================================== 64 * FUNCTION : ~QCamera3CropRegionMapper 65 * 66 * DESCRIPTION: destructor 67 * 68 * PARAMETERS : none 69 * 70 * RETURN : none 71 *==========================================================================*/ 72 73 QCamera3CropRegionMapper::~QCamera3CropRegionMapper() 74 { 75 } 76 77 /*=========================================================================== 78 * FUNCTION : update 79 * 80 * DESCRIPTION: update sensor active array size and sensor output size 81 * 82 * PARAMETERS : 83 * @active_array_w : active array width 84 * @active_array_h : active array height 85 * @sensor_w : sensor output width 86 * @sensor_h : sensor output height 87 * 88 * RETURN : none 89 *==========================================================================*/ 90 void QCamera3CropRegionMapper::update(uint32_t active_array_w, 91 uint32_t active_array_h, uint32_t sensor_w, 92 uint32_t sensor_h) 93 { 94 // Sanity check 95 if (active_array_w == 0 || active_array_h == 0 || 96 sensor_w == 0 || sensor_h == 0) { 97 LOGE("active_array size and sensor output size must be non zero"); 98 return; 99 } 100 if (active_array_w < sensor_w || active_array_h < sensor_h) { 101 LOGE("invalid input: active_array [%d, %d], sensor size [%d, %d]", 102 active_array_w, active_array_h, sensor_w, sensor_h); 103 return; 104 } 105 mSensorW = sensor_w; 106 mSensorH = sensor_h; 107 mActiveArrayW = active_array_w; 108 mActiveArrayH = active_array_h; 109 110 LOGH("active_array: %d x %d, sensor size %d x %d", 111 mActiveArrayW, mActiveArrayH, mSensorW, mSensorH); 112 } 113 114 /*=========================================================================== 115 * FUNCTION : toActiveArray 116 * 117 * DESCRIPTION: Map crop rectangle from sensor output space to active array space 118 * 119 * PARAMETERS : 120 * @crop_left : x coordinate of top left corner of rectangle 121 * @crop_top : y coordinate of top left corner of rectangle 122 * @crop_width : width of rectangle 123 * @crop_height : height of rectangle 124 * 125 * RETURN : none 126 *==========================================================================*/ 127 void QCamera3CropRegionMapper::toActiveArray(int32_t& crop_left, int32_t& crop_top, 128 int32_t& crop_width, int32_t& crop_height) 129 { 130 if (mSensorW == 0 || mSensorH == 0 || 131 mActiveArrayW == 0 || mActiveArrayH == 0) { 132 LOGE("sensor/active array sizes are not initialized!"); 133 return; 134 } 135 136 crop_left = crop_left * mActiveArrayW / mSensorW; 137 crop_top = crop_top * mActiveArrayH / mSensorH; 138 crop_width = crop_width * mActiveArrayW / mSensorW; 139 crop_height = crop_height * mActiveArrayH / mSensorH; 140 141 boundToSize(crop_left, crop_top, crop_width, crop_height, 142 mActiveArrayW, mActiveArrayH); 143 } 144 145 /*=========================================================================== 146 * FUNCTION : toSensor 147 * 148 * DESCRIPTION: Map crop rectangle from active array space to sensor output space 149 * 150 * PARAMETERS : 151 * @crop_left : x coordinate of top left corner of rectangle 152 * @crop_top : y coordinate of top left corner of rectangle 153 * @crop_width : width of rectangle 154 * @crop_height : height of rectangle 155 * 156 * RETURN : none 157 *==========================================================================*/ 158 159 void QCamera3CropRegionMapper::toSensor(int32_t& crop_left, int32_t& crop_top, 160 int32_t& crop_width, int32_t& crop_height) 161 { 162 if (mSensorW == 0 || mSensorH == 0 || 163 mActiveArrayW == 0 || mActiveArrayH == 0) { 164 LOGE("sensor/active array sizes are not initialized!"); 165 return; 166 } 167 168 crop_left = crop_left * mSensorW / mActiveArrayW; 169 crop_top = crop_top * mSensorH / mActiveArrayH; 170 crop_width = crop_width * mSensorW / mActiveArrayW; 171 crop_height = crop_height * mSensorH / mActiveArrayH; 172 173 LOGD("before bounding left %d, top %d, width %d, height %d", 174 crop_left, crop_top, crop_width, crop_height); 175 boundToSize(crop_left, crop_top, crop_width, crop_height, 176 mSensorW, mSensorH); 177 LOGD("after bounding left %d, top %d, width %d, height %d", 178 crop_left, crop_top, crop_width, crop_height); 179 } 180 181 /*=========================================================================== 182 * FUNCTION : boundToSize 183 * 184 * DESCRIPTION: Bound a particular rectangle inside a bounding box 185 * 186 * PARAMETERS : 187 * @left : x coordinate of top left corner of rectangle 188 * @top : y coordinate of top left corner of rectangle 189 * @width : width of rectangle 190 * @height : height of rectangle 191 * @bound_w : width of bounding box 192 * @bound_y : height of bounding box 193 * 194 * RETURN : none 195 *==========================================================================*/ 196 void QCamera3CropRegionMapper::boundToSize(int32_t& left, int32_t& top, 197 int32_t& width, int32_t& height, int32_t bound_w, int32_t bound_h) 198 { 199 if (left < 0) { 200 left = 0; 201 } 202 if (top < 0) { 203 top = 0; 204 } 205 206 if ((left + width) > bound_w) { 207 width = bound_w - left; 208 } 209 if ((top + height) > bound_h) { 210 height = bound_h - top; 211 } 212 } 213 214 /*=========================================================================== 215 * FUNCTION : toActiveArray 216 * 217 * DESCRIPTION: Map co-ordinate from sensor output space to active array space 218 * 219 * PARAMETERS : 220 * @x : x coordinate 221 * @y : y coordinate 222 * 223 * RETURN : none 224 *==========================================================================*/ 225 void QCamera3CropRegionMapper::toActiveArray(uint32_t& x, uint32_t& y) 226 { 227 if (mSensorW == 0 || mSensorH == 0 || 228 mActiveArrayW == 0 || mActiveArrayH == 0) { 229 LOGE("sensor/active array sizes are not initialized!"); 230 return; 231 } 232 if ((x > static_cast<uint32_t>(mSensorW)) || 233 (y > static_cast<uint32_t>(mSensorH))) { 234 LOGE("invalid co-ordinate (%d, %d) in (0, 0, %d, %d) space", 235 x, y, mSensorW, mSensorH); 236 return; 237 } 238 x = x * mActiveArrayW / mSensorW; 239 y = y * mActiveArrayH / mSensorH; 240 } 241 242 /*=========================================================================== 243 * FUNCTION : toSensor 244 * 245 * DESCRIPTION: Map co-ordinate from active array space to sensor output space 246 * 247 * PARAMETERS : 248 * @x : x coordinate 249 * @y : y coordinate 250 * 251 * RETURN : none 252 *==========================================================================*/ 253 254 void QCamera3CropRegionMapper::toSensor(uint32_t& x, uint32_t& y) 255 { 256 if (mSensorW == 0 || mSensorH == 0 || 257 mActiveArrayW == 0 || mActiveArrayH == 0) { 258 LOGE("sensor/active array sizes are not initialized!"); 259 return; 260 } 261 262 if ((x > static_cast<uint32_t>(mActiveArrayW)) || 263 (y > static_cast<uint32_t>(mActiveArrayH))) { 264 LOGE("invalid co-ordinate (%d, %d) in (0, 0, %d, %d) space", 265 x, y, mSensorW, mSensorH); 266 return; 267 } 268 x = x * mSensorW / mActiveArrayW; 269 y = y * mSensorH / mActiveArrayH; 270 } 271 272 }; //end namespace android 273
