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 static void   gnome_canvas_simplerect_init       (GnomeCanvasSimpleRect      *simplerect);
  27 static void   gnome_canvas_simplerect_set_property  (GObject        *object,
  28                                                      guint            prop_id,
  29                                                      const GValue   *value,
  30                                                      GParamSpec     *pspec);
  31 static void   gnome_canvas_simplerect_get_property  (GObject        *object,
  32                                                      guint           prop_id,
  33                                                      GValue         *value,
  34                                                      GParamSpec     *pspec);
  35 static void   gnome_canvas_simplerect_update      (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags);
  36 static void   gnome_canvas_simplerect_bounds      (GnomeCanvasItem *item, double *x1, double *y1, double *x2, double *y2);
  37 static double gnome_canvas_simplerect_point (GnomeCanvasItem *item, double x, double y, int cx, int cy, GnomeCanvasItem **actual_item);
  38 static void   gnome_canvas_simplerect_render (GnomeCanvasItem *item, GnomeCanvasBuf *buf);
  39 static void   gnome_canvas_simplerect_draw (GnomeCanvasItem *item, GdkDrawable *drawable, int x, int y, int w, int h);
  40
  41 static GnomeCanvasItemClass *parent_class;
  42
  43
  44 GtkType
  45 gnome_canvas_simplerect_get_type (void)
  46 {
  47         static GtkType simplerect_type = 0;
  48
  49         if (!simplerect_type) {
  50                 GtkTypeInfo simplerect_info = {
  51                         "GnomeCanvasSimpleRect",
  52                         sizeof (GnomeCanvasSimpleRect),
  53                         sizeof (GnomeCanvasSimpleRectClass),
  54                         (GtkClassInitFunc) gnome_canvas_simplerect_class_init,
  55                         (GtkObjectInitFunc) gnome_canvas_simplerect_init,
  56                         NULL, /* reserved_1 */
  57                         NULL, /* reserved_2 */
  58                         (GtkClassInitFunc) NULL
  59                 };
  60
  61                 simplerect_type = gtk_type_unique (gnome_canvas_item_get_type (), &simplerect_info);
  62         }
  63
  64         return simplerect_type;
  65 }
  66
  67 static void
  68 gnome_canvas_simplerect_class_init (GnomeCanvasSimpleRectClass *class)
  69 {
  70         GObjectClass *object_class;
  71         GnomeCanvasItemClass *item_class;
  72
  73         object_class = G_OBJECT_CLASS (class);
  74         item_class = (GnomeCanvasItemClass *) class;
  75
  76         parent_class = gtk_type_class (gnome_canvas_item_get_type ());
  77
  78         object_class->set_property = gnome_canvas_simplerect_set_property;
  79         object_class->get_property = gnome_canvas_simplerect_get_property;
  80
  81         g_object_class_install_property (object_class,
  82                                          PROP_X1,
  83                                          g_param_spec_double ("x1",
  84                                                               _("x1"),
  85                                                               _("x coordinate of upper left corner of rect"),
  86                                                               -G_MAXDOUBLE,
  87                                                               G_MAXDOUBLE,
  88                                                               0.0,
  89                                                               G_PARAM_READWRITE));
  90
  91         g_object_class_install_property (object_class,
  92                                          PROP_Y1,
  93                                          g_param_spec_double ("y1",
  94                                                               _("y1"),
  95                                                               _("y coordinate of upper left corner of rect "),
  96                                                               -G_MAXDOUBLE,
  97                                                               G_MAXDOUBLE,
  98                                                               0.0,
  99                                                               G_PARAM_READWRITE));
 100
 101
 102         g_object_class_install_property (object_class,
 103                                          PROP_X2,
 104                                          g_param_spec_double ("x2",
 105                                                               _("x2"),
 106                                                               _("x coordinate of lower right corner of rect"),
 107                                                               -G_MAXDOUBLE,
 108                                                               G_MAXDOUBLE,
 109                                                               0.0,
 110                                                               G_PARAM_READWRITE));
 111
 112         g_object_class_install_property (object_class,
 113                                          PROP_Y2,
 114                                          g_param_spec_double ("y2",
 115                                                               _("y2"),
 116                                                               _("y coordinate of lower right corner of rect "),
 117                                                               -G_MAXDOUBLE,
 118                                                               G_MAXDOUBLE,
 119                                                               0.0,
 120                                                               G_PARAM_READWRITE));
 121
 122
 123         g_object_class_install_property (object_class,
 124                                          PROP_OUTLINE_PIXELS,
 125                                          g_param_spec_uint ("outline_pixels",
 126                                                               _("outline pixels"),
 127                                                               _("width in pixels of outline"),
 128                                                               0,
 129                                                               G_MAXUINT,
 130                                                               0,
 131                                                               G_PARAM_READWRITE));
 132
 133
 134         g_object_class_install_property (object_class,
 135                                          PROP_OUTLINE_WHAT,
 136                                          g_param_spec_uint ("outline_what",
 137                                                               _("outline what"),
 138                                                               _("which boundaries to outline (mask)"),
 139                                                               0,
 140                                                               G_MAXUINT,
 141                                                               0,
 142                                                               G_PARAM_READWRITE));
 143
 144
 145
 146         g_object_class_install_property (object_class,
 147                                          PROP_FILL,
 148                                          g_param_spec_boolean ("fill",
 149                                                                _("fill"),
 150                                                                _("fill rectangle"),
 151                                                                TRUE,
 152                                                                G_PARAM_READWRITE));
 153
 154         g_object_class_install_property (object_class,
 155                                          PROP_DRAW,
 156                                          g_param_spec_boolean ("draw",
 157                                                                _("draw"),
 158                                                                _("draw rectangle"),
 159                                                                TRUE,
 160                                                                G_PARAM_READWRITE));
 161
 162
 163         g_object_class_install_property (object_class,
 164                                          PROP_OUTLINE_COLOR_RGBA,
 165                                          g_param_spec_uint ("outline_color_rgba",
 166                                                             _("outline color rgba"),
 167                                                             _("color of outline"),
 168                                                             0,
 169                                                             G_MAXUINT,
 170                                                             0,
 171                                                             G_PARAM_READWRITE));
 172
 173
 174         g_object_class_install_property (object_class,
 175                                          PROP_FILL_COLOR_RGBA,
 176                                          g_param_spec_uint ("fill_color_rgba",
 177                                                             _("fill color rgba"),
 178                                                             _("color of fill"),
 179                                                             0,
 180                                                             G_MAXUINT,
 181                                                             0,
 182                                                             G_PARAM_READWRITE));
 183
 184         item_class->update = gnome_canvas_simplerect_update;
 185         item_class->bounds = gnome_canvas_simplerect_bounds;
 186         item_class->point = gnome_canvas_simplerect_point;
 187         item_class->render = gnome_canvas_simplerect_render;
 188         item_class->draw = gnome_canvas_simplerect_draw;
 189 }
 190
 191 static void
 192 gnome_canvas_simplerect_init (GnomeCanvasSimpleRect *simplerect)
 193 {
 194         simplerect->x1 = 0.0;
 195         simplerect->y1 = 0.0;
 196         simplerect->x2 = 0.0;
 197         simplerect->y2 = 0.0;
 198         simplerect->fill = TRUE;
 199         simplerect->draw = TRUE;
 200         simplerect->full_draw_on_update = TRUE;
 201         simplerect->fill_color = 0;
 202         simplerect->outline_color = 0;
 203         simplerect->outline_pixels = 1;
 204         simplerect->outline_what = 0xf;
 205
 206         // GTK2FIX
 207         // GNOME_CANVAS_ITEM(simplerect)->object.flags |= GNOME_CANVAS_ITEM_NO_AUTO_REDRAW;
 208 }
 209
 210 static void
 211 gnome_canvas_simplerect_bounds (GnomeCanvasItem *item, double *x1, double *y1, double *x2, double *y2)
 212 {
 213         GnomeCanvasSimpleRect *simplerect = GNOME_CANVAS_SIMPLERECT (item);
 214
 215         *x1 = simplerect->x1;
 216         *y1 = simplerect->y1;
 217         *x2 = simplerect->x2 + 1;
 218         *y2 = simplerect->y2 + 1;
 219
 220 }
 221
 222 static void
 223 gnome_canvas_simplerect_reset_bounds (GnomeCanvasItem *item)
 224 {
 225         GnomeCanvasSimpleRect* simplerect;
 226         double x1, x2, y1, y2;
 227         double old_x1, old_x2, old_y1, old_y2;
 228         double a, b;
 229
 230         old_x1 = item->x1;
 231         old_y1 = item->y1;
 232         old_x2 = item->x2;
 233         old_y2 = item->y2;
 234
 235         gnome_canvas_simplerect_bounds (item, &x1, &y1, &x2, &y2);
 236         gnome_canvas_item_i2w (item, &x1, &y1);
 237         gnome_canvas_item_i2w (item, &x2, &y2);
 238
 239         item->x1 = x1;
 240         item->y1 = y1;
 241         item->x2 = x2;
 242         item->y2 = y2;
 243
 244         /* now compute bounding box in canvas units */
 245
 246         simplerect = GNOME_CANVAS_SIMPLERECT (item);
 247
 248         gnome_canvas_w2c (GNOME_CANVAS(item->canvas), x1, y1, &simplerect->bbox_ulx, &simplerect->bbox_uly);
 249         gnome_canvas_w2c (GNOME_CANVAS(item->canvas), x2, y2, &simplerect->bbox_lrx, &simplerect->bbox_lry);
 250
 251         /* now queue redraws for changed areas */
 252
 253         if (item->x1 != old_x1) {
 254
 255                 /* left edge changed. redraw the area that altered */
 256
 257                 a = MIN(item->x1, old_x1);
 258                 b = MAX(item->x1, old_x1);
 259                 gnome_canvas_request_redraw (item->canvas, a - 1, item->y1, b + 1, item->y2);
 260         }
 261
 262         if (item->x2 != old_x2) {
 263
 264                 /* right edge changed. redraw the area that altered */
 265
 266                 a = MIN(item->x2, old_x2);
 267                 b = MAX(item->x2, old_x2);
 268                 gnome_canvas_request_redraw (item->canvas, a - 1, item->y1, b + 1, item->y2);
 269         }
 270
 271         if (item->y1 != old_y1) {
 272
 273                 /* top edge changed. redraw the area that altered */
 274
 275                 a = MIN(item->y1, old_y1);
 276                 b = MAX(item->y1, old_y1);
 277                 gnome_canvas_request_redraw (item->canvas, item->x1, a - 1, item->x2, b + 1);
 278         }
 279
 280         if (item->y2 != old_y2) {
 281
 282                 /* lower edge changed. redraw the area that altered */
 283
 284                 a = MIN(item->y2, old_y2);
 285                 b = MAX(item->y2, old_y2);
 286                 gnome_canvas_request_redraw (item->canvas, item->x1, a - 1, item->x2, b + 1);
 287         }
 288 }
 289
 290 /*
 291  * CANVAS CALLBACKS
 292  */
 293
 294 static void
 295 gnome_canvas_simplerect_set_property (GObject      *object,
 296                                       guint         prop_id,
 297                                       const GValue *value,
 298                                       GParamSpec   *pspec)
 299
 300 {
 301         GnomeCanvasSimpleRect *simplerect;
 302         int update = FALSE;
 303         int bounds_changed = FALSE;
 304
 305         simplerect = GNOME_CANVAS_SIMPLERECT (object);
 306
 307         switch (prop_id) {
 308         case PROP_X1:
 309                 if (simplerect->x1 != g_value_get_double (value)) {
 310                         simplerect->x1 = g_value_get_double (value);
 311                         bounds_changed = TRUE;
 312                 }
 313                 break;
 314
 315         case PROP_Y1:
 316                 if (simplerect->y1 != g_value_get_double (value)) {
 317                         simplerect->y1 = g_value_get_double (value);
 318                         bounds_changed = TRUE;
 319                 }
 320                 break;
 321
 322         case PROP_X2:
 323                 if (simplerect->x2 != g_value_get_double (value)) {
 324                         simplerect->x2 = g_value_get_double (value);
 325                         bounds_changed = TRUE;
 326                 }
 327                 break;
 328
 329         case PROP_Y2:
 330                 if (simplerect->y2 != g_value_get_double (value)) {
 331                         simplerect->y2 = g_value_get_double (value);
 332                         bounds_changed = TRUE;
 333                 }
 334                 break;
 335
 336         case PROP_DRAW:
 337                 if (simplerect->draw != g_value_get_boolean (value)) {
 338                         simplerect->draw = g_value_get_boolean (value);
 339                         update = TRUE;
 340                 }
 341                 break;
 342
 343
 344         case PROP_FILL:
 345                 if (simplerect->fill != g_value_get_boolean (value)) {
 346                         simplerect->fill = g_value_get_boolean (value);
 347                         update = TRUE;
 348                 }
 349                 break;
 350
 351         case PROP_FILL_COLOR_RGBA:
 352                 if (simplerect->fill_color != g_value_get_uint(value)) {
 353                         simplerect->fill_color = g_value_get_uint(value);
 354                         update = TRUE;
 355                 }
 356                 break;
 357
 358         case PROP_OUTLINE_COLOR_RGBA:
 359                 if (simplerect->outline_color != g_value_get_uint(value)) {
 360                         simplerect->outline_color = g_value_get_uint(value);
 361                         update = TRUE;
 362                 }
 363                 break;
 364
 365         case PROP_OUTLINE_PIXELS:
 366                 if (simplerect->outline_pixels != g_value_get_uint(value)) {
 367                         simplerect->outline_pixels = g_value_get_uint(value);
 368                         update = TRUE;
 369                 }
 370                 break;
 371
 372         case PROP_OUTLINE_WHAT:
 373                 if (simplerect->outline_what != g_value_get_uint(value)) {
 374                         simplerect->outline_what = g_value_get_uint(value);
 375                         update = TRUE;
 376                 }
 377                 break;
 378
 379         default:
 380                 break;
 381         }
 382
 383         simplerect->full_draw_on_update = update;
 384
 385         if (update || bounds_changed) {
 386                 gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(object));
 387         }
 388 }
 389
 390 static void
 391 gnome_canvas_simplerect_get_property (GObject      *object,
 392                                       guint         prop_id,
 393                                       GValue       *value,
 394                                       GParamSpec   *pspec)
 395 {
 396         GnomeCanvasSimpleRect *rect = GNOME_CANVAS_SIMPLERECT (object);
 397
 398         switch (prop_id) {
 399         case PROP_X1:
 400                 g_value_set_double (value, rect->x1);
 401                 break;
 402         case PROP_X2:
 403                 g_value_set_double (value, rect->x2);
 404                 break;
 405         case PROP_Y1:
 406                 g_value_set_double (value, rect->y1);
 407                 break;
 408         case PROP_Y2:
 409                 g_value_set_double (value, rect->y2);
 410                 break;
 411         case PROP_OUTLINE_WHAT:
 412                 g_value_set_uint (value, rect->outline_what);
 413                 break;
 414         case PROP_FILL:
 415                 g_value_set_boolean (value, rect->fill);
 416                 break;
 417         case PROP_OUTLINE_PIXELS:
 418                 g_value_set_uint (value, rect->outline_pixels);
 419                 break;
 420         case PROP_FILL_COLOR_RGBA:
 421                 g_value_set_uint (value, rect->fill_color);
 422                 break;
 423         case PROP_OUTLINE_COLOR_RGBA:
 424                 g_value_set_uint (value, rect->outline_color);
 425                 break;
 426         case PROP_DRAW:
 427                 g_value_set_boolean (value, rect->draw);
 428                 break;
 429
 430         default:
 431                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 432                 break;
 433         }
 434 }
 435
 436
 437 static void
 438 gnome_canvas_simplerect_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags)
 439 {
 440         GnomeCanvasSimpleRect *simplerect;
 441         unsigned char foo;
 442
 443         simplerect = GNOME_CANVAS_SIMPLERECT (item);
 444
 445         if (parent_class->update)
 446                 (* parent_class->update) (item, affine, clip_path, flags);
 447
 448         gnome_canvas_simplerect_reset_bounds (item);
 449
 450         if (simplerect->full_draw_on_update) {
 451                 gnome_canvas_request_redraw (item->canvas,
 452                                            simplerect->bbox_ulx,
 453                                            simplerect->bbox_uly,
 454                                            simplerect->bbox_lrx+1,
 455                                            simplerect->bbox_lry+1);
 456                 simplerect->full_draw_on_update = FALSE;
 457         }
 458
 459         UINT_TO_RGBA (simplerect->fill_color, &simplerect->fill_r, &simplerect->fill_g, &simplerect->fill_b, &simplerect->fill_a);
 460         UINT_TO_RGBA (simplerect->outline_color, &simplerect->outline_r, &simplerect->outline_g, &simplerect->outline_b, &foo);
 461 }
 462
 463 #define SIMPLERECT_FAST_RENDERER
 464 #ifdef SIMPLERECT_FAST_RENDERER
 465
 466 static void
 467 gnome_canvas_simplerect_render (GnomeCanvasItem *item,
 468                               GnomeCanvasBuf *buf)
 469 {
 470         GnomeCanvasSimpleRect *simplerect;
 471         int end, begin;
 472         int ey, sy;
 473         unsigned int i;
 474         ArtIRect intersection;
 475         ArtIRect self;
 476
 477         simplerect = GNOME_CANVAS_SIMPLERECT (item);
 478
 479         if (parent_class->render) {
 480                 (*parent_class->render) (item, buf);
 481         }
 482
 483         if (buf->is_bg) {
 484
 485                 // this can be useful for debugging/understanding how the canvas redraws
 486                 // stuff.
 487
 488                 // gint randr, randg, randb;
 489                 // randr = random() % 255;
 490                 // randg = random() % 255;
 491                 // randb = random() % 255;
 492                 // PAINT_BOX(buf, randr, randg, randb, 255, buf->rect.x0, buf->rect.y0, buf->rect.x1, buf->rect.y1);
 493
 494                 gnome_canvas_buf_ensure_buf (buf);
 495                 buf->is_bg = FALSE;
 496         }
 497
 498         if (!simplerect->draw) {
 499                 return;
 500         }
 501
 502         self.x0 = simplerect->bbox_ulx;
 503         self.y0 = simplerect->bbox_uly;
 504         self.x1 = simplerect->bbox_lrx;
 505         self.y1 = simplerect->bbox_lry;
 506
 507         art_irect_intersect (&intersection, &self, &buf->rect);
 508
 509         begin = MAX(simplerect->bbox_ulx, buf->rect.x0);
 510         end = MIN((simplerect->bbox_lrx-1), buf->rect.x1);
 511
 512         sy = simplerect->bbox_uly;
 513         ey = simplerect->bbox_lry-1;
 514
 515         if (simplerect->fill) {
 516
 517                 // this can be useful for debugging/understanding how the canvas redraws
 518                 // stuff.
 519
 520                 // gint randr, randg, randb;
 521                 // randr = random() % 255;
 522                 // randg = random() % 255;
 523                 // randb = random() % 255;
 524                 // PAINT_BOX(buf, randr, randg, randb, simplerect->fill_a, begin, sy, end, ey);
 525
 526                 FAST_PAINT_BOX (buf, simplerect->fill_r, simplerect->fill_g, simplerect->fill_b, simplerect->fill_a,
 527                                 intersection.x0, intersection.y0,
 528                                 intersection.x1, intersection.y1);
 529
 530         }
 531
 532         for (i = 0; i < simplerect->outline_pixels; ++i) {
 533
 534                 if (simplerect->outline_what & 0x1) {
 535                         if (begin == simplerect->bbox_ulx) {
 536                                 PAINT_VERT(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, begin + i, sy, ey);
 537                         }
 538                 }
 539
 540                 if (simplerect->outline_what & 0x2) {
 541                         if (end == (simplerect->bbox_lrx - 1)) {
 542                                 PAINT_VERT(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, end - i, sy, ey + 1);
 543                         }
 544                 }
 545
 546                 if (simplerect->outline_what & 0x4) {
 547                         PAINT_HORIZ(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, begin, end, sy+i);
 548                 }
 549
 550                 if (simplerect->outline_what & 0x8) {
 551                         PAINT_HORIZ(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, begin, end + 1, ey-i);
 552                 }
 553         }
 554 }
 555
 556 #else /* SIMPLERECT_FAST_RENDERER */
 557
 558 static void
 559 gnome_canvas_simplerect_render (GnomeCanvasItem *item,
 560                               GnomeCanvasBuf *buf)
 561 {
 562         GnomeCanvasSimpleRect *simplerect;
 563         int end, begin;
 564         int ey, sy;
 565         unsigned int i;
 566
 567         simplerect = GNOME_CANVAS_SIMPLERECT (item);
 568
 569         if (parent_class->render) {
 570                 (*parent_class->render) (item, buf);
 571         }
 572
 573         if (buf->is_bg) {
 574
 575                 // this can be useful for debugging/understanding how the canvas redraws
 576                 // stuff.
 577
 578                 // gint randr, randg, randb;
 579                 // randr = random() % 255;
 580                 // randg = random() % 255;
 581                 // randb = random() % 255;
 582                 // PAINT_BOX(buf, randr, randg, randb, 255, buf->rect.x0, buf->rect.y0, buf->rect.x1, buf->rect.y1);
 583
 584                 gnome_canvas_buf_ensure_buf (buf);
 585                 buf->is_bg = FALSE;
 586         }
 587
 588         if (!simplerect->draw) {
 589                 return;
 590         }
 591
 592         begin = MAX(simplerect->bbox_ulx,buf->rect.x0);
 593         end = MIN((simplerect->bbox_lrx-1),buf->rect.x1);
 594
 595         sy = simplerect->bbox_uly;
 596         ey = simplerect->bbox_lry-1;
 597
 598         if (simplerect->fill) {
 599
 600                 // this can be useful for debugging/understanding how the canvas redraws
 601                 // stuff.
 602
 603                 // gint randr, randg, randb;
 604                 // randr = random() % 255;
 605                 // randg = random() % 255;
 606                 // randb = random() % 255;
 607                 // PAINT_BOX(buf, randr, randg, randb, simplerect->fill_a, begin, sy, end, ey);
 608
 609                 PAINT_BOX(buf, simplerect->fill_r, simplerect->fill_g, simplerect->fill_b, simplerect->fill_a, begin, sy, end, ey);
 610         }
 611
 612         for (i = 0; i < simplerect->outline_pixels; ++i) {
 613
 614                 if (simplerect->outline_what & 0x1) {
 615                         if (begin == simplerect->bbox_ulx) {
 616                                 PAINT_VERT(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, begin + i, sy, ey);
 617                         }
 618                 }
 619
 620                 if (simplerect->outline_what & 0x2) {
 621                         if (end == (simplerect->bbox_lrx - 1)) {
 622                                 PAINT_VERT(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, end - i, sy, ey + 1);
 623                         }
 624                 }
 625
 626                 if (simplerect->outline_what & 0x4) {
 627                         PAINT_HORIZ(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, begin, end, sy+i);
 628                 }
 629
 630                 if (simplerect->outline_what & 0x8) {
 631                         PAINT_HORIZ(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, begin, end + 1, ey-i);
 632                 }
 633         }
 634 }
 635 #endif /* SIMPLERECT_FAST_RENDERER */
 636
 637 static void
 638 gnome_canvas_simplerect_draw (GnomeCanvasItem *item,
 639                             GdkDrawable *drawable,
 640                             int x, int y,
 641                             int width, int height)
 642 {
 643         fprintf (stderr, "please don't use the CanvasSimpleRect item in a non-aa Canvas\n");
 644         abort ();
 645 }
 646
 647 static double
 648 gnome_canvas_simplerect_point (GnomeCanvasItem *item, double x, double y, int cx, int cy, GnomeCanvasItem **actual_item)
 649 {
 650         GnomeCanvasSimpleRect *simplerect;
 651         double x1, y1, x2, y2;
 652         double dx, dy;
 653
 654         simplerect = GNOME_CANVAS_SIMPLERECT (item);
 655
 656         *actual_item = item;
 657
 658         /* Find the bounds for the rectangle plus its outline width */
 659
 660         gnome_canvas_simplerect_bounds (item, &x1, &y1, &x2, &y2);
 661
 662         /* Is point inside rectangle */
 663
 664         if ((x >= x1) && (y >= y1) && (x <= x2) && (y <= y2)) {
 665                 return 0.0;
 666         }
 667
 668         /* Point is outside rectangle */
 669
 670         if (x < x1)
 671                 dx = x1 - x;
 672         else if (x > x2)
 673                 dx = x - x2;
 674         else
 675                 dx = 0.0;
 676
 677         if (y < y1)
 678                 dy = y1 - y;
 679         else if (y > y2)
 680                 dy = y - y2;
 681         else
 682                 dy = 0.0;
 683
 684         return sqrt (dx * dx + dy * dy);
 685 }