gtk2_ardour/canvas-simplerect.c

   1 #include <stdio.h>
   2 #include <math.h>
   3 #include <libgnomecanvas/libgnomecanvas.h>
   4
   5 #include "canvas-simplerect.h"
   6 #include "rgb_macros.h"
   7 #include "gettext.h"
   8 #define _(Text)  dgettext (PACKAGE,Text)
   9
  10 enum {
  11         PROP_0,
  12         PROP_X1,
  13         PROP_Y1,
  14         PROP_X2,
  15         PROP_Y2,
  16         PROP_OUTLINE_PIXELS,
  17         PROP_OUTLINE_WHAT,
  18         PROP_FILL,
  19         PROP_FILL_COLOR_RGBA,
  20         PROP_OUTLINE_COLOR_RGBA,
  21         PROP_DRAW
  22
  23 };
  24
  25 static void   gnome_canvas_simplerect_class_init    (GnomeCanvasSimpleRectClass *class);
  26
  27 static void   gnome_canvas_simplerect_init          (GnomeCanvasSimpleRect      *simplerect);
  28
  29 static void   gnome_canvas_simplerect_destroy       (GtkObject                  *object);
  30
  31 static void   gnome_canvas_simplerect_set_property  (GObject        *object,
  32                                                      guint            prop_id,
  33                                                      const GValue   *value,
  34                                                      GParamSpec     *pspec);
  35
  36 static void   gnome_canvas_simplerect_get_property  (GObject        *object,
  37                                                      guint           prop_id,
  38                                                      GValue         *value,
  39                                                      GParamSpec     *pspec);
  40
  41 static void   gnome_canvas_simplerect_update        (GnomeCanvasItem *item,
  42                                                      double          *affine,
  43                                                      ArtSVP          *clip_path,
  44                                                      int              flags);
  45
  46 static void   gnome_canvas_simplerect_bounds        (GnomeCanvasItem *item,
  47                                                      double          *x1,
  48                                                      double          *y1,
  49                                                      double          *x2,
  50                                                      double          *y2);
  51
  52 static double gnome_canvas_simplerect_point         (GnomeCanvasItem *item, double x, double y, int cx, int cy, GnomeCanvasItem **actual_item);
  53
  54 static void   gnome_canvas_simplerect_render        (GnomeCanvasItem *item, GnomeCanvasBuf *buf);
  55
  56 static void   gnome_canvas_simplerect_draw          (GnomeCanvasItem *item, GdkDrawable *drawable, int x, int y, int w, int h);
  57
  58 static GnomeCanvasItemClass *parent_class;
  59
  60
  61 GType
  62 gnome_canvas_simplerect_get_type (void)
  63 {
  64         static GType simplerect_type;
  65
  66         if (!simplerect_type) {
  67                 static const GTypeInfo object_info = {
  68                         sizeof (GnomeCanvasSimpleRectClass),
  69                         (GBaseInitFunc) NULL,
  70                         (GBaseFinalizeFunc) NULL,
  71                         (GClassInitFunc) gnome_canvas_simplerect_class_init,
  72                         (GClassFinalizeFunc) NULL,
  73                         NULL,                   /* class_data */
  74                         sizeof (GnomeCanvasSimpleRect),
  75                         0,                      /* n_preallocs */
  76                         (GInstanceInitFunc) gnome_canvas_simplerect_init,
  77                         NULL                    /* value_table */
  78                 };
  79
  80                 simplerect_type = g_type_register_static (GNOME_TYPE_CANVAS_ITEM, "GnomeCanvasSimpleRect",
  81                                                           &object_info, 0);
  82         }
  83
  84         return simplerect_type;
  85 }
  86
  87 static void
  88 gnome_canvas_simplerect_class_init (GnomeCanvasSimpleRectClass *class)
  89 {
  90         GObjectClass *gobject_class;
  91         GtkObjectClass *object_class;
  92         GnomeCanvasItemClass *item_class;
  93
  94         gobject_class = (GObjectClass *) class;
  95         object_class = (GtkObjectClass *) class;
  96         item_class = (GnomeCanvasItemClass *) class;
  97
  98         parent_class = g_type_class_peek_parent (class);
  99
 100         gobject_class->set_property = gnome_canvas_simplerect_set_property;
 101         gobject_class->get_property = gnome_canvas_simplerect_get_property;
 102
 103         g_object_class_install_property (gobject_class,
 104                                          PROP_X1,
 105                                          g_param_spec_double ("x1",
 106                                                               _("x1"),
 107                                                               _("x coordinate of upper left corner of rect"),
 108                                                               -G_MAXDOUBLE,
 109                                                               G_MAXDOUBLE,
 110                                                               0.0,
 111                                                               G_PARAM_READWRITE));
 112
 113         g_object_class_install_property (gobject_class,
 114                                          PROP_Y1,
 115                                          g_param_spec_double ("y1",
 116                                                               _("y1"),
 117                                                               _("y coordinate of upper left corner of rect "),
 118                                                               -G_MAXDOUBLE,
 119                                                               G_MAXDOUBLE,
 120                                                               0.0,
 121                                                               G_PARAM_READWRITE));
 122
 123
 124         g_object_class_install_property (gobject_class,
 125                                          PROP_X2,
 126                                          g_param_spec_double ("x2",
 127                                                               _("x2"),
 128                                                               _("x coordinate of lower right corner of rect"),
 129                                                               -G_MAXDOUBLE,
 130                                                               G_MAXDOUBLE,
 131                                                               0.0,
 132                                                               G_PARAM_READWRITE));
 133
 134         g_object_class_install_property (gobject_class,
 135                                          PROP_Y2,
 136                                          g_param_spec_double ("y2",
 137                                                               _("y2"),
 138                                                               _("y coordinate of lower right corner of rect "),
 139                                                               -G_MAXDOUBLE,
 140                                                               G_MAXDOUBLE,
 141                                                               0.0,
 142                                                               G_PARAM_READWRITE));
 143
 144
 145         g_object_class_install_property (gobject_class,
 146                                          PROP_OUTLINE_PIXELS,
 147                                          g_param_spec_uint ("outline_pixels",
 148                                                               _("outline pixels"),
 149                                                               _("width in pixels of outline"),
 150                                                               0,
 151                                                               G_MAXUINT,
 152                                                               0,
 153                                                               G_PARAM_READWRITE));
 154
 155
 156         g_object_class_install_property (gobject_class,
 157                                          PROP_OUTLINE_WHAT,
 158                                          g_param_spec_uint ("outline_what",
 159                                                               _("outline what"),
 160                                                               _("which boundaries to outline (mask)"),
 161                                                               0,
 162                                                               G_MAXUINT,
 163                                                               0,
 164                                                               G_PARAM_READWRITE));
 165
 166
 167
 168         g_object_class_install_property (gobject_class,
 169                                          PROP_FILL,
 170                                          g_param_spec_boolean ("fill",
 171                                                                _("fill"),
 172                                                                _("fill rectangle"),
 173                                                                TRUE,
 174                                                                G_PARAM_READWRITE));
 175
 176         g_object_class_install_property (gobject_class,
 177                                          PROP_DRAW,
 178                                          g_param_spec_boolean ("draw",
 179                                                                _("draw"),
 180                                                                _("draw rectangle"),
 181                                                                TRUE,
 182                                                                G_PARAM_READWRITE));
 183
 184
 185         g_object_class_install_property (gobject_class,
 186                                          PROP_OUTLINE_COLOR_RGBA,
 187                                          g_param_spec_uint ("outline_color_rgba",
 188                                                             _("outline color rgba"),
 189                                                             _("color of outline"),
 190                                                             0,
 191                                                             G_MAXUINT,
 192                                                             0,
 193                                                             G_PARAM_READWRITE));
 194
 195
 196         g_object_class_install_property (gobject_class,
 197                                          PROP_FILL_COLOR_RGBA,
 198                                          g_param_spec_uint ("fill_color_rgba",
 199                                                             _("fill color rgba"),
 200                                                             _("color of fill"),
 201                                                             0,
 202                                                             G_MAXUINT,
 203                                                             0,
 204                                                             G_PARAM_READWRITE));
 205
 206         object_class->destroy = gnome_canvas_simplerect_destroy;
 207
 208         item_class->update = gnome_canvas_simplerect_update;
 209         item_class->draw = gnome_canvas_simplerect_draw;
 210         item_class->bounds = gnome_canvas_simplerect_bounds;
 211         item_class->point = gnome_canvas_simplerect_point;
 212         item_class->render = gnome_canvas_simplerect_render;
 213
 214 }
 215
 216 static void
 217 gnome_canvas_simplerect_init (GnomeCanvasSimpleRect *simplerect)
 218 {
 219         simplerect->x1 = 0.0;
 220         simplerect->y1 = 0.0;
 221         simplerect->x2 = 0.0;
 222         simplerect->y2 = 0.0;
 223         simplerect->fill = TRUE;
 224         simplerect->draw = TRUE;
 225         simplerect->full_draw_on_update = TRUE;
 226         simplerect->fill_color = 0;
 227         simplerect->outline_color = 0;
 228         simplerect->outline_pixels = 1;
 229         simplerect->outline_what = 0xf;
 230 }
 231
 232 static void
 233 gnome_canvas_simplerect_destroy (GtkObject *object)
 234 {
 235         GnomeCanvasSimpleRect *rect;
 236
 237         g_return_if_fail (object != NULL);
 238         g_return_if_fail (GNOME_IS_CANVAS_SIMPLERECT (object));
 239
 240         rect = GNOME_CANVAS_SIMPLERECT (object);
 241
 242         /* remember, destroy can be run multiple times! */
 243
 244         if (GTK_OBJECT_CLASS (parent_class)->destroy)
 245               (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
 246 }
 247
 248 static void
 249 gnome_canvas_simplerect_bounds (GnomeCanvasItem *item, double *x1, double *y1, double *x2, double *y2)
 250 {
 251         GnomeCanvasSimpleRect *simplerect = GNOME_CANVAS_SIMPLERECT (item);
 252
 253         *x1 = simplerect->x1;
 254         *y1 = simplerect->y1;
 255         *x2 = simplerect->x2 + 1;
 256         *y2 = simplerect->y2 + 1;
 257
 258 }
 259
 260 static void
 261 gnome_canvas_simplerect_reset_bounds (GnomeCanvasItem *item)
 262 {
 263         GnomeCanvasSimpleRect* simplerect;
 264         double x1, x2, y1, y2;
 265         double old_x1, old_x2, old_y1, old_y2;
 266         double a, b, c, d;
 267         ArtIRect intersection, old, new;
 268
 269         old.x0 = old_x1 = item->x1;
 270         old.y0 = old_y1 = item->y1;
 271         old.x1 = old_x2 = item->x2;
 272         old.y1 = old_y2 = item->y2;
 273
 274         new.x0 = x1;
 275         new.y0 = y1;
 276         new.x1 = x2;
 277         new.y1 = y2;
 278
 279         gnome_canvas_simplerect_bounds (item, &x1, &y1, &x2, &y2);
 280         gnome_canvas_item_i2w (item, &x1, &y1);
 281         gnome_canvas_item_i2w (item, &x2, &y2);
 282
 283         item->x1 = x1;
 284         item->y1 = y1;
 285         item->x2 = x2;
 286         item->y2 = y2;
 287
 288         /* now compute bounding box in canvas units */
 289
 290         simplerect = GNOME_CANVAS_SIMPLERECT (item);
 291
 292         gnome_canvas_w2c (GNOME_CANVAS(item->canvas), x1, y1, &simplerect->bbox_ulx, &simplerect->bbox_uly);
 293         gnome_canvas_w2c (GNOME_CANVAS(item->canvas), x2, y2, &simplerect->bbox_lrx, &simplerect->bbox_lry);
 294
 295         /* now queue redraws for changed areas */
 296
 297         art_irect_intersect (&intersection, &old, &new);
 298 #if 0
 299                 a = MIN(item->x1, old_x1);
 300                 b = MAX(item->x1, old_x1);
 301
 302                 a = MIN(a, item->x2);
 303                 a = MIN(a, old_x2);
 304                 b = MAX(b, item->x2);
 305                 b = MAX(b, old_x2);
 306
 307                 c = MIN(item->y1, old_y1);
 308                 d = MAX(item->y1, old_y1);
 309
 310                 c = MIN(c,item->y2);
 311                 c = MIN(c, old_y2);
 312                 d = MAX(d,item->y2);
 313                 d = MAX(d, old_y2);
 314
 315                 fprintf (stderr, "%p REDRAW %g,%g %g,%g\n", simplerect, a, c, b + 0.5, d + 0.5);
 316                 gnome_canvas_request_redraw (item->canvas, a, c, b + 0.5, d + 0.5);
 317 #else
 318                 gnome_canvas_request_redraw (item->canvas,
 319                                              intersection.x0,
 320                                              intersection.y0,
 321                                              intersection.x1,
 322                                              intersection.y1);
 323 #endif
 324 }
 325
 326 /*
 327  * CANVAS CALLBACKS
 328  */
 329
 330 static void
 331 gnome_canvas_simplerect_set_property (GObject      *object,
 332                                       guint         prop_id,
 333                                       const GValue *value,
 334                                       GParamSpec   *pspec)
 335
 336 {
 337         GnomeCanvasSimpleRect *simplerect;
 338         int update = FALSE;
 339         int bounds_changed = FALSE;
 340         g_return_if_fail (object != NULL);
 341         g_return_if_fail (GNOME_IS_CANVAS_SIMPLERECT (object));
 342
 343         simplerect = GNOME_CANVAS_SIMPLERECT (object);
 344
 345         switch (prop_id) {
 346         case PROP_X1:
 347                 if (simplerect->x1 != g_value_get_double (value)) {
 348                         simplerect->x1 = g_value_get_double (value);
 349                         bounds_changed = TRUE;
 350                 }
 351                 break;
 352
 353         case PROP_Y1:
 354                 if (simplerect->y1 != g_value_get_double (value)) {
 355                         simplerect->y1 = g_value_get_double (value);
 356                         bounds_changed = TRUE;
 357                 }
 358                 break;
 359
 360         case PROP_X2:
 361                 if (simplerect->x2 != g_value_get_double (value)) {
 362                         simplerect->x2 = g_value_get_double (value);
 363                         bounds_changed = TRUE;
 364                 }
 365                 break;
 366
 367         case PROP_Y2:
 368                 if (simplerect->y2 != g_value_get_double (value)) {
 369                         simplerect->y2 = g_value_get_double (value);
 370                         bounds_changed = TRUE;
 371                 }
 372                 break;
 373
 374         case PROP_DRAW:
 375                 if (simplerect->draw != g_value_get_boolean (value)) {
 376                         simplerect->draw = g_value_get_boolean (value);
 377                         update = TRUE;
 378                 }
 379                 break;
 380
 381
 382         case PROP_FILL:
 383                 if (simplerect->fill != g_value_get_boolean (value)) {
 384                         simplerect->fill = g_value_get_boolean (value);
 385                         update = TRUE;
 386                 }
 387                 break;
 388
 389         case PROP_FILL_COLOR_RGBA:
 390                 if (simplerect->fill_color != g_value_get_uint(value)) {
 391                         simplerect->fill_color = g_value_get_uint(value);
 392                         update = TRUE;
 393                 }
 394                 break;
 395
 396         case PROP_OUTLINE_COLOR_RGBA:
 397                 if (simplerect->outline_color != g_value_get_uint(value)) {
 398                         simplerect->outline_color = g_value_get_uint(value);
 399                         update = TRUE;
 400                 }
 401                 break;
 402
 403         case PROP_OUTLINE_PIXELS:
 404                 if (simplerect->outline_pixels != g_value_get_uint(value)) {
 405                         simplerect->outline_pixels = g_value_get_uint(value);
 406                         update = TRUE;
 407                 }
 408                 break;
 409
 410         case PROP_OUTLINE_WHAT:
 411                 if (simplerect->outline_what != g_value_get_uint(value)) {
 412                         simplerect->outline_what = g_value_get_uint(value);
 413                         update = TRUE;
 414                 }
 415                 break;
 416
 417         default:
 418                 break;
 419         }
 420
 421         simplerect->full_draw_on_update = update;
 422
 423         if (update || bounds_changed) {
 424                 gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(object));
 425         }
 426 }
 427
 428 static void
 429 gnome_canvas_simplerect_get_property (GObject      *object,
 430                                       guint         prop_id,
 431                                       GValue       *value,
 432                                       GParamSpec   *pspec)
 433 {
 434         GnomeCanvasSimpleRect *rect = GNOME_CANVAS_SIMPLERECT (object);
 435
 436         g_return_if_fail (object != NULL);
 437         g_return_if_fail (GNOME_IS_CANVAS_SIMPLERECT (object));
 438
 439         switch (prop_id) {
 440         case PROP_X1:
 441                 g_value_set_double (value, rect->x1);
 442                 break;
 443         case PROP_X2:
 444                 g_value_set_double (value, rect->x2);
 445                 break;
 446         case PROP_Y1:
 447                 g_value_set_double (value, rect->y1);
 448                 break;
 449         case PROP_Y2:
 450                 g_value_set_double (value, rect->y2);
 451                 break;
 452         case PROP_OUTLINE_WHAT:
 453                 g_value_set_uint (value, rect->outline_what);
 454                 break;
 455         case PROP_FILL:
 456                 g_value_set_boolean (value, rect->fill);
 457                 break;
 458         case PROP_OUTLINE_PIXELS:
 459                 g_value_set_uint (value, rect->outline_pixels);
 460                 break;
 461         case PROP_FILL_COLOR_RGBA:
 462                 g_value_set_uint (value, rect->fill_color);
 463                 break;
 464         case PROP_OUTLINE_COLOR_RGBA:
 465                 g_value_set_uint (value, rect->outline_color);
 466                 break;
 467         case PROP_DRAW:
 468                 g_value_set_boolean (value, rect->draw);
 469                 break;
 470
 471         default:
 472                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 473                 break;
 474         }
 475 }
 476
 477
 478 static void
 479 gnome_canvas_simplerect_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags)
 480 {
 481         GnomeCanvasSimpleRect *simplerect;
 482         unsigned char foo;
 483
 484         simplerect = GNOME_CANVAS_SIMPLERECT (item);
 485
 486         if (parent_class->update)
 487                 (* parent_class->update) (item, affine, clip_path, flags);
 488
 489         gnome_canvas_simplerect_reset_bounds (item);
 490
 491         if (simplerect->full_draw_on_update) {
 492                 gnome_canvas_request_redraw (item->canvas,
 493                                            simplerect->bbox_ulx,
 494                                            simplerect->bbox_uly,
 495                                            simplerect->bbox_lrx+0.5,
 496                                            simplerect->bbox_lry+0.5);
 497                 simplerect->full_draw_on_update = FALSE;
 498         }
 499
 500         UINT_TO_RGBA (simplerect->fill_color, &simplerect->fill_r, &simplerect->fill_g, &simplerect->fill_b, &simplerect->fill_a);
 501         UINT_TO_RGBA (simplerect->outline_color, &simplerect->outline_r, &simplerect->outline_g, &simplerect->outline_b, &foo);
 502 }
 503
 504 // this can be useful for debugging/understanding how the canvas redraws
 505 // stuff.
 506
 507 #undef HARLEQUIN_DEBUGGING
 508
 509 #undef SIMPLERECT_FAST_RENDERER
 510 #ifdef SIMPLERECT_FAST_RENDERER
 511
 512 static void
 513 gnome_canvas_simplerect_render (GnomeCanvasItem *item,
 514                               GnomeCanvasBuf *buf)
 515 {
 516         GnomeCanvasSimpleRect *simplerect;
 517         int end, begin;
 518         int ey, sy;
 519         unsigned int i;
 520         ArtIRect intersection;
 521         ArtIRect self;
 522
 523         simplerect = GNOME_CANVAS_SIMPLERECT (item);
 524
 525         if (parent_class->render) {
 526                 (*parent_class->render) (item, buf);
 527         }
 528
 529         if (buf->is_bg) {
 530
 531 #ifdef HARLEQUIN_DEBUGGING
 532                 gint randr, randg, randb;
 533                 randr = random() % 255;
 534                 randg = random() % 255;
 535                 randb = random() % 255;
 536                 PAINT_BOX(buf, randr, randg, randb, 255, buf->rect.x0, buf->rect.y0, buf->rect.x1, buf->rect.y1);
 537 #endif
 538                 gnome_canvas_buf_ensure_buf (buf);
 539                 buf->is_bg = FALSE;
 540         }
 541
 542         if (!simplerect->draw) {
 543                 return;
 544         }
 545
 546         self.x0 = simplerect->bbox_ulx;
 547         self.y0 = simplerect->bbox_uly;
 548         self.x1 = simplerect->bbox_lrx;
 549         self.y1 = simplerect->bbox_lry;
 550
 551         art_irect_intersect (&intersection, &self, &buf->rect);
 552
 553         begin = MAX(simplerect->bbox_ulx, buf->rect.x0);
 554         end = MIN((simplerect->bbox_lrx-1), buf->rect.x1);
 555
 556         sy = simplerect->bbox_uly;
 557         ey = simplerect->bbox_lry-1;
 558
 559         if (simplerect->fill) {
 560
 561                 // this can be useful for debugging/understanding how the canvas redraws
 562                 // stuff.
 563
 564 #ifdef HARLEQUIN_DEBUGGING
 565                 gint randr, randg, randb;
 566                 randr = random() % 255;
 567                 randg = random() % 255;
 568                 randb = random() % 255;
 569                 PAINT_BOX(buf, randr, randg, randb, simplerect->fill_a, begin, sy, end, ey);
 570 #else
 571                 PAINT_BOX (buf, simplerect->fill_r, simplerect->fill_g, simplerect->fill_b, simplerect->fill_a,
 572                            intersection.x0, intersection.y0,
 573                            intersection.x1, intersection.y1);
 574 #endif
 575
 576         }
 577
 578         for (i = 0; i < simplerect->outline_pixels; ++i) {
 579
 580                 if (simplerect->outline_what & 0x1) {
 581                         if (begin == simplerect->bbox_ulx) {
 582                                 PAINT_VERT(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, begin + i, sy, ey);
 583                         }
 584                 }
 585
 586                 if (simplerect->outline_what & 0x2) {
 587                         if (end == (simplerect->bbox_lrx - 1)) {
 588                                 PAINT_VERT(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, end - i, sy, ey + 1);
 589                         }
 590                 }
 591
 592                 if (simplerect->outline_what & 0x4) {
 593                         PAINT_HORIZ(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, begin, end, sy+i);
 594                 }
 595
 596                 if (simplerect->outline_what & 0x8) {
 597                         PAINT_HORIZ(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, begin, end + 1, ey-i);
 598                 }
 599         }
 600 }
 601
 602 #else /* SIMPLERECT_FAST_RENDERER */
 603
 604 static void
 605 gnome_canvas_simplerect_render (GnomeCanvasItem *item,
 606                               GnomeCanvasBuf *buf)
 607 {
 608         GnomeCanvasSimpleRect *simplerect;
 609         int end, begin;
 610         int ey, sy;
 611         unsigned int i;
 612
 613         simplerect = GNOME_CANVAS_SIMPLERECT (item);
 614
 615         if (parent_class->render) {
 616                 (*parent_class->render) (item, buf);
 617         }
 618
 619         if (buf->is_bg) {
 620
 621 #ifdef HARLEQUIN_DEBUGGING
 622                 gint randr, randg, randb;
 623                 randr = random() % 255;
 624                 randg = random() % 255;
 625                 randb = random() % 255;
 626                 PAINT_BOX(buf, randr, randg, randb, 255, buf->rect.x0, buf->rect.y0, buf->rect.x1, buf->rect.y1);
 627 #endif
 628                 gnome_canvas_buf_ensure_buf (buf);
 629                 buf->is_bg = FALSE;
 630         }
 631
 632         if (!simplerect->draw) {
 633                 return;
 634         }
 635
 636         begin = MAX(simplerect->bbox_ulx,buf->rect.x0);
 637         end = MIN((simplerect->bbox_lrx-1),buf->rect.x1);
 638
 639         sy = simplerect->bbox_uly;
 640         ey = simplerect->bbox_lry-1;
 641
 642         if (simplerect->fill) {
 643
 644 #ifdef HARLEQUIN_DEBUGGING
 645                 gint randr, randg, randb;
 646                 randr = random() % 255;
 647                 randg = random() % 255;
 648                 randb = random() % 255;
 649                 PAINT_BOX(buf, randr, randg, randb, simplerect->fill_a, begin, sy, end, ey);
 650 #else
 651                 PAINT_BOX(buf, simplerect->fill_r, simplerect->fill_g, simplerect->fill_b, simplerect->fill_a, begin, sy, end, ey);
 652 #endif
 653         }
 654
 655         for (i = 0; i < simplerect->outline_pixels; ++i) {
 656
 657                 if (simplerect->outline_what & 0x1) {
 658                         if (begin == simplerect->bbox_ulx) {
 659                                 PAINT_VERT(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, begin + i, sy, ey);
 660                         }
 661                 }
 662
 663                 if (simplerect->outline_what & 0x2) {
 664                         if (end == (simplerect->bbox_lrx - 1)) {
 665                                 PAINT_VERT(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, end - i, sy, ey + 1);
 666                         }
 667                 }
 668
 669                 if (simplerect->outline_what & 0x4) {
 670                         PAINT_HORIZ(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, begin, end, sy+i);
 671                 }
 672
 673                 if (simplerect->outline_what & 0x8) {
 674                         PAINT_HORIZ(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, begin, end + 1, ey-i);
 675                 }
 676         }
 677 }
 678 #endif /* SIMPLERECT_FAST_RENDERER */
 679
 680 static void
 681 gnome_canvas_simplerect_draw (GnomeCanvasItem *item,
 682                             GdkDrawable *drawable,
 683                             int x, int y,
 684                             int width, int height)
 685 {
 686         fprintf (stderr, "please don't use the CanvasSimpleRect item in a non-aa Canvas\n");
 687         abort ();
 688 }
 689
 690 static double
 691 gnome_canvas_simplerect_point (GnomeCanvasItem *item, double x, double y, int cx, int cy, GnomeCanvasItem **actual_item)
 692 {
 693         GnomeCanvasSimpleRect *simplerect;
 694         double x1, y1, x2, y2;
 695         double dx, dy;
 696
 697         simplerect = GNOME_CANVAS_SIMPLERECT (item);
 698
 699         *actual_item = item;
 700
 701         /* Find the bounds for the rectangle plus its outline width */
 702
 703         gnome_canvas_simplerect_bounds (item, &x1, &y1, &x2, &y2);
 704
 705         /* Is point inside rectangle */
 706
 707         if ((x >= x1) && (y >= y1) && (x <= x2) && (y <= y2)) {
 708                 return 0.0;
 709         }
 710
 711         /* Point is outside rectangle */
 712
 713         if (x < x1)
 714                 dx = x1 - x;
 715         else if (x > x2)
 716                 dx = x - x2;
 717         else
 718                 dx = 0.0;
 719
 720         if (y < y1)
 721                 dy = y1 - y;
 722         else if (y > y2)
 723                 dy = y - y2;
 724         else
 725                 dy = 0.0;
 726
 727         return sqrt (dx * dx + dy * dy);
 728 }