src/kits/interface/Rect.cpp

   1 /*
   2  * Copyright 2001-2014 Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Frans van Nispen
   7  *              John Scipione, jscipione@gmail.com
   8  */
   9
  10
  11 #include <Rect.h>
  12
  13 #include <algorithm>
  14
  15 #include <stdio.h>
  16
  17
  18 void
  19 BRect::SetLeftTop(const BPoint point)
  20 {
  21         left = point.x;
  22         top = point.y;
  23 }
  24
  25
  26 void
  27 BRect::SetRightBottom(const BPoint point)
  28 {
  29         right = point.x;
  30         bottom = point.y;
  31 }
  32
  33
  34 void
  35 BRect::SetLeftBottom(const BPoint point)
  36 {
  37         left = point.x;
  38         bottom = point.y;
  39 }
  40
  41
  42 void
  43 BRect::SetRightTop(const BPoint point)
  44 {
  45         right = point.x;
  46         top = point.y;
  47 }
  48
  49
  50 void
  51 BRect::InsetBy(BPoint point)
  52 {
  53         left += point.x;
  54         right -= point.x;
  55         top += point.y;
  56         bottom -= point.y;
  57 }
  58
  59
  60 void
  61 BRect::InsetBy(float dx, float dy)
  62 {
  63         left += dx;
  64         right -= dx;
  65         top += dy;
  66         bottom -= dy;
  67 }
  68
  69
  70 BRect&
  71 BRect::InsetBySelf(BPoint point)
  72 {
  73         InsetBy(point);
  74         return *this;
  75 }
  76
  77
  78 BRect&
  79 BRect::InsetBySelf(float dx, float dy)
  80 {
  81         InsetBy(dx, dy);
  82         return *this;
  83 }
  84
  85
  86 BRect
  87 BRect::InsetByCopy(BPoint point) const
  88 {
  89         BRect copy(*this);
  90         copy.InsetBy(point);
  91         return copy;
  92 }
  93
  94
  95 BRect
  96 BRect::InsetByCopy(float dx, float dy) const
  97 {
  98         BRect copy(*this);
  99         copy.InsetBy(dx, dy);
 100         return copy;
 101 }
 102
 103
 104 void
 105 BRect::OffsetBy(BPoint point)
 106 {
 107         left += point.x;
 108         right += point.x;
 109         top += point.y;
 110         bottom += point.y;
 111 }
 112
 113
 114 void
 115 BRect::OffsetBy(float dx, float dy)
 116 {
 117         left += dx;
 118         right += dx;
 119         top += dy;
 120         bottom += dy;
 121 }
 122
 123
 124 BRect&
 125 BRect::OffsetBySelf(BPoint point)
 126 {
 127         OffsetBy(point);
 128         return *this;
 129 }
 130
 131
 132 BRect&
 133 BRect::OffsetBySelf(float dx, float dy)
 134 {
 135         OffsetBy(dx, dy);
 136         return *this;
 137 }
 138
 139
 140 BRect
 141 BRect::OffsetByCopy(BPoint point) const
 142 {
 143         BRect copy(*this);
 144         copy.OffsetBy(point);
 145         return copy;
 146 }
 147
 148
 149 BRect
 150 BRect::OffsetByCopy(float dx, float dy) const
 151 {
 152         BRect copy(*this);
 153         copy.OffsetBy(dx, dy);
 154         return copy;
 155 }
 156
 157
 158 void
 159 BRect::OffsetTo(BPoint point)
 160 {
 161         right = (right - left) + point.x;
 162         left = point.x;
 163         bottom = (bottom - top) + point.y;
 164         top = point.y;
 165 }
 166
 167
 168 void
 169 BRect::OffsetTo(float x, float y)
 170 {
 171         right = (right - left) + x;
 172         left = x;
 173         bottom = (bottom - top) + y;
 174         top=y;
 175 }
 176
 177
 178 BRect&
 179 BRect::OffsetToSelf(BPoint point)
 180 {
 181         OffsetTo(point);
 182         return *this;
 183 }
 184
 185
 186 BRect&
 187 BRect::OffsetToSelf(float x, float y)
 188 {
 189         OffsetTo(x, y);
 190         return *this;
 191 }
 192
 193
 194 BRect
 195 BRect::OffsetToCopy(BPoint point) const
 196 {
 197         BRect copy(*this);
 198         copy.OffsetTo(point);
 199         return copy;
 200 }
 201
 202
 203 BRect
 204 BRect::OffsetToCopy(float x, float y) const
 205 {
 206         BRect copy(*this);
 207         copy.OffsetTo(x, y);
 208         return copy;
 209 }
 210
 211
 212 void
 213 BRect::PrintToStream() const
 214 {
 215         printf("BRect(l:%.1f, t:%.1f, r:%.1f, b:%.1f)\n", left, top, right, bottom);
 216 }
 217
 218
 219 bool
 220 BRect::operator==(BRect other) const
 221 {
 222         return left == other.left && right == other.right &&
 223                 top == other.top && bottom == other.bottom;
 224 }
 225
 226
 227 bool
 228 BRect::operator!=(BRect other) const
 229 {
 230         return !(*this == other);
 231 }
 232
 233
 234 BRect
 235 BRect::operator&(BRect other) const
 236 {
 237         return BRect(std::max(left, other.left), std::max(top, other.top),
 238                 std::min(right, other.right), std::min(bottom, other.bottom));
 239 }
 240
 241
 242 BRect
 243 BRect::operator|(BRect other) const
 244 {
 245         return BRect(std::min(left, other.left), std::min(top, other.top),
 246                 std::max(right, other.right), std::max(bottom, other.bottom));
 247 }
 248
 249
 250 bool
 251 BRect::Intersects(BRect rect) const
 252 {
 253         if (!IsValid() || !rect.IsValid())
 254                 return false;
 255
 256         return !(rect.left > right || rect.right < left
 257                 || rect.top > bottom || rect.bottom < top);
 258 }
 259
 260
 261 bool
 262 BRect::Contains(BPoint point) const
 263 {
 264         return point.x >= left && point.x <= right
 265                 && point.y >= top && point.y <= bottom;
 266 }
 267
 268
 269 bool
 270 BRect::Contains(BRect rect) const
 271 {
 272         return rect.left >= left && rect.right <= right
 273                 && rect.top >= top && rect.bottom <= bottom;
 274 }
 275
 276
 277 // #pragma mark - BeOS compatibility only
 278 #if __GNUC__ == 2
 279
 280
 281 extern "C" BRect
 282 InsetByCopy__5BRectG6BPoint(BRect* self, BPoint point)
 283 {
 284         BRect copy(*self);
 285         copy.InsetBy(point);
 286         return copy;
 287 }
 288
 289
 290 extern "C" BRect
 291 InsetByCopy__5BRectff(BRect* self, float dx, float dy)
 292 {
 293         BRect copy(*self);
 294         copy.InsetBy(dx, dy);
 295         return copy;
 296 }
 297
 298
 299 extern "C" BRect
 300 OffsetByCopy__5BRectG6BPoint(BRect* self, BPoint point)
 301 {
 302         BRect copy(*self);
 303         copy.OffsetBy(point);
 304         return copy;
 305 }
 306
 307
 308 extern "C" BRect
 309 OffsetByCopy__5BRectff(BRect* self, float dx, float dy)
 310 {
 311         BRect copy(*self);
 312         copy.OffsetBy(dx, dy);
 313         return copy;
 314 }
 315
 316
 317 extern "C" BRect
 318 OffsetToCopy__5BRectG6BPoint(BRect* self, BPoint point)
 319 {
 320         BRect copy(*self);
 321         copy.OffsetTo(point);
 322         return copy;
 323 }
 324
 325
 326 extern "C" BRect
 327 OffsetToCopy__5BRectff(BRect* self, float dx, float dy)
 328 {
 329         BRect copy(*self);
 330         copy.OffsetTo(dx, dy);
 331         return copy;
 332 }
 333
 334
 335 #elif __GNUC__ >= 4
 336 // TODO: remove this when new GCC 4 packages have to be built anyway
 337
 338
 339 extern "C" BRect
 340 _ZN5BRect11InsetByCopyE6BPoint(BRect* self, BPoint point)
 341 {
 342         BRect copy(*self);
 343         copy.InsetBy(point);
 344         return copy;
 345 }
 346
 347
 348 extern "C" BRect
 349 _ZN5BRect11InsetByCopyEff(BRect* self, float dx, float dy)
 350 {
 351         BRect copy(*self);
 352         copy.InsetBy(dx, dy);
 353         return copy;
 354 }
 355
 356
 357 extern "C" BRect
 358 _ZN5BRect12OffsetByCopyE6BPoint(BRect* self, BPoint point)
 359 {
 360         BRect copy(*self);
 361         copy.OffsetBy(point);
 362         return copy;
 363 }
 364
 365
 366 extern "C" BRect
 367 _ZN5BRect12OffsetByCopyEff(BRect* self, float dx, float dy)
 368 {
 369         BRect copy(*self);
 370         copy.OffsetBy(dx, dy);
 371         return copy;
 372 }
 373
 374
 375 extern "C" BRect
 376 _ZN5BRect12OffsetToCopyE6BPoint(BRect* self, BPoint point)
 377 {
 378         BRect copy(*self);
 379         copy.OffsetTo(point);
 380         return copy;
 381 }
 382
 383
 384 extern "C" BRect
 385 _ZN5BRect12OffsetToCopyEff(BRect* self, float dx, float dy)
 386 {
 387         BRect copy(*self);
 388         copy.OffsetTo(dx, dy);
 389         return copy;
 390 }
 391
 392
 393 #endif  // __GNUC__ >= 4