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         gobject_class->set_property = gnome_canvas_simplerect_set_property;
  99         gobject_class->get_property = gnome_canvas_simplerect_get_property;
 100
 101         g_object_class_install_property (gobject_class,
 102                                          PROP_X1,
 103                                          g_param_spec_double ("x1",
 104                                                               _("x1"),
 105                                                               _("x coordinate of upper left corner of rect"),
 106                                                               -G_MAXDOUBLE,
 107                                                               G_MAXDOUBLE,
 108                                                               0.0,
 109                                                               G_PARAM_READWRITE));
 110
 111         g_object_class_install_property (gobject_class,
 112                                          PROP_Y1,
 113                                          g_param_spec_double ("y1",
 114                                                               _("y1"),
 115                                                               _("y coordinate of upper left corner of rect "),
 116                                                               -G_MAXDOUBLE,
 117                                                               G_MAXDOUBLE,
 118                                                               0.0,
 119                                                               G_PARAM_READWRITE));
 120
 121
 122         g_object_class_install_property (gobject_class,
 123                                          PROP_X2,
 124                                          g_param_spec_double ("x2",
 125                                                               _("x2"),
 126                                                               _("x coordinate of lower right corner of rect"),
 127                                                               -G_MAXDOUBLE,
 128                                                               G_MAXDOUBLE,
 129                                                               0.0,
 130                                                               G_PARAM_READWRITE));
 131
 132         g_object_class_install_property (gobject_class,
 133                                          PROP_Y2,
 134                                          g_param_spec_double ("y2",
 135                                                               _("y2"),
 136                                                               _("y coordinate of lower right corner of rect "),
 137                                                               -G_MAXDOUBLE,
 138                                                               G_MAXDOUBLE,
 139                                                               0.0,
 140                                                               G_PARAM_READWRITE));
 141
 142
 143         g_object_class_install_property (gobject_class,
 144                                          PROP_OUTLINE_PIXELS,
 145                                          g_param_spec_uint ("outline_pixels",
 146                                                               _("outline pixels"),
 147                                                               _("width in pixels of outline"),
 148                                                               0,
 149                                                               G_MAXUINT,
 150                                                               0,
 151                                                               G_PARAM_READWRITE));
 152
 153
 154         g_object_class_install_property (gobject_class,
 155                                          PROP_OUTLINE_WHAT,
 156                                          g_param_spec_uint ("outline_what",
 157                                                               _("outline what"),
 158                                                               _("which boundaries to outline (mask)"),
 159                                                               0,
 160                                                               G_MAXUINT,
 161                                                               0,
 162                                                               G_PARAM_READWRITE));
 163
 164
 165
 166         g_object_class_install_property (gobject_class,
 167                                          PROP_FILL,
 168                                          g_param_spec_boolean ("fill",
 169                                                                _("fill"),
 170                                                                _("fill rectangle"),
 171                                                                TRUE,
 172                                                                G_PARAM_READWRITE));
 173
 174         g_object_class_install_property (gobject_class,
 175                                          PROP_DRAW,
 176                                          g_param_spec_boolean ("draw",
 177                                                                _("draw"),
 178                                                                _("draw rectangle"),
 179                                                                TRUE,
 180                                                                G_PARAM_READWRITE));
 181
 182
 183         g_object_class_install_property (gobject_class,
 184                                          PROP_OUTLINE_COLOR_RGBA,
 185                                          g_param_spec_uint ("outline_color_rgba",
 186                                                             _("outline color rgba"),
 187                                                             _("color of outline"),
 188                                                             0,
 189                                                             G_MAXUINT,
 190                                                             0,
 191                                                             G_PARAM_READWRITE));
 192
 193
 194         g_object_class_install_property (gobject_class,
 195                                          PROP_FILL_COLOR_RGBA,
 196                                          g_param_spec_uint ("fill_color_rgba",
 197                                                             _("fill color rgba"),
 198                                                             _("color of fill"),
 199                                                             0,
 200                                                             G_MAXUINT,
 201                                                             0,
 202                                                             G_PARAM_READWRITE));
 203
 204         object_class->destroy = gnome_canvas_simplerect_destroy;
 205
 206         item_class->update = gnome_canvas_simplerect_update;
 207         item_class->draw = gnome_canvas_simplerect_draw;
 208         item_class->bounds = gnome_canvas_simplerect_bounds;
 209         item_class->point = gnome_canvas_simplerect_point;
 210         item_class->render = gnome_canvas_simplerect_render;
 211
 212 }
 213
 214 static void
 215 gnome_canvas_simplerect_init (GnomeCanvasSimpleRect *simplerect)
 216 {
 217         simplerect->x1 = 0.0;
 218         simplerect->y1 = 0.0;
 219         simplerect->x2 = 0.0;
 220         simplerect->y2 = 0.0;
 221         simplerect->fill = TRUE;
 222         simplerect->draw = TRUE;
 223         simplerect->full_draw_on_update = TRUE;
 224         simplerect->fill_color = 0;
 225         simplerect->outline_color = 0;
 226         simplerect->outline_pixels = 1;
 227         simplerect->outline_what = 0xf;
 228
 229         // GTK2FIX
 230         // GNOME_CANVAS_ITEM(simplerect)->object.flags |= GNOME_CANVAS_ITEM_NO_AUTO_REDRAW;
 231 }
 232
 233 static void
 234 gnome_canvas_simplerect_destroy (GtkObject *object)
 235 {
 236         GnomeCanvasSimpleRect *rect;
 237
 238         g_return_if_fail (object != NULL);
 239         g_return_if_fail (GNOME_IS_CANVAS_SIMPLERECT (object));
 240
 241         rect = GNOME_CANVAS_SIMPLERECT (object);
 242
 243         /* remember, destroy can be run multiple times! */
 244
 245         if (GTK_OBJECT_CLASS (parent_class)->destroy)
 246               (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
 247 }
 248
 249 static void
 250 gnome_canvas_simplerect_bounds (GnomeCanvasItem *item, double *x1, double *y1, double *x2, double *y2)
 251 {
 252         GnomeCanvasSimpleRect *simplerect = GNOME_CANVAS_SIMPLERECT (item);
 253
 254         *x1 = simplerect->x1;
 255         *y1 = simplerect->y1;
 256         *x2 = simplerect->x2 + 1;
 257         *y2 = simplerect->y2 + 1;
 258
 259 }
 260
 261 static void
 262 gnome_canvas_simplerect_reset_bounds (GnomeCanvasItem *item)
 263 {
 264         GnomeCanvasSimpleRect* simplerect;
 265         double x1, x2, y1, y2;
 266         double old_x1, old_x2, old_y1, old_y2;
 267         double a, b;
 268
 269         old_x1 = item->x1;
 270         old_y1 = item->y1;
 271         old_x2 = item->x2;
 272         old_y2 = item->y2;
 273
 274         gnome_canvas_simplerect_bounds (item, &x1, &y1, &x2, &y2);
 275         gnome_canvas_item_i2w (item, &x1, &y1);
 276         gnome_canvas_item_i2w (item, &x2, &y2);
 277
 278         item->x1 = x1;
 279         item->y1 = y1;
 280         item->x2 = x2;
 281         item->y2 = y2;
 282
 283         /* now compute bounding box in canvas units */
 284
 285         simplerect = GNOME_CANVAS_SIMPLERECT (item);
 286
 287         gnome_canvas_w2c (GNOME_CANVAS(item->canvas), x1, y1, &simplerect->bbox_ulx, &simplerect->bbox_uly);
 288         gnome_canvas_w2c (GNOME_CANVAS(item->canvas), x2, y2, &simplerect->bbox_lrx, &simplerect->bbox_lry);
 289
 290         /* now queue redraws for changed areas */
 291
 292         if (item->x1 != old_x1) {
 293
 294                 /* left edge changed. redraw the area that altered */
 295
 296                 a = MIN(item->x1, old_x1);
 297                 b = MAX(item->x1, old_x1);
 298                 gnome_canvas_request_redraw (item->canvas, a - 1, item->y1, b + 1, item->y2);
 299         }
 300
 301         if (item->x2 != old_x2) {
 302
 303                 /* right edge changed. redraw the area that altered */
 304
 305                 a = MIN(item->x2, old_x2);
 306                 b = MAX(item->x2, old_x2);
 307                 gnome_canvas_request_redraw (item->canvas, a - 1, item->y1, b + 1, item->y2);
 308         }
 309
 310         if (item->y1 != old_y1) {
 311
 312                 /* top edge changed. redraw the area that altered */
 313
 314                 a = MIN(item->y1, old_y1);
 315                 b = MAX(item->y1, old_y1);
 316                 gnome_canvas_request_redraw (item->canvas, item->x1, a - 1, item->x2, b + 1);
 317         }
 318
 319         if (item->y2 != old_y2) {
 320
 321                 /* lower edge changed. redraw the area that altered */
 322
 323                 a = MIN(item->y2, old_y2);
 324                 b = MAX(item->y2, old_y2);
 325                 gnome_canvas_request_redraw (item->canvas, item->x1, a - 1, item->x2, b + 1);
 326         }
 327 }
 328
 329 /*
 330  * CANVAS CALLBACKS
 331  */
 332
 333 static void
 334 gnome_canvas_simplerect_set_property (GObject      *object,
 335                                       guint         prop_id,
 336                                       const GValue *value,
 337                                       GParamSpec   *pspec)
 338
 339 {
 340         GnomeCanvasSimpleRect *simplerect;
 341         int update = FALSE;
 342         int bounds_changed = FALSE;
 343         g_return_if_fail (object != NULL);
 344         g_return_if_fail (GNOME_IS_CANVAS_SIMPLERECT (object));
 345
 346         simplerect = GNOME_CANVAS_SIMPLERECT (object);
 347
 348         switch (prop_id) {
 349         case PROP_X1:
 350                 if (simplerect->x1 != g_value_get_double (value)) {
 351                         simplerect->x1 = g_value_get_double (value);
 352                         bounds_changed = TRUE;
 353                 }
 354                 break;
 355
 356         case PROP_Y1:
 357                 if (simplerect->y1 != g_value_get_double (value)) {
 358                         simplerect->y1 = g_value_get_double (value);
 359                         bounds_changed = TRUE;
 360                 }
 361                 break;
 362
 363         case PROP_X2:
 364                 if (simplerect->x2 != g_value_get_double (value)) {
 365                         simplerect->x2 = g_value_get_double (value);
 366                         bounds_changed = TRUE;
 367                 }
 368                 break;
 369
 370         case PROP_Y2:
 371                 if (simplerect->y2 != g_value_get_double (value)) {
 372                         simplerect->y2 = g_value_get_double (value);
 373                         bounds_changed = TRUE;
 374                 }
 375                 break;
 376
 377         case PROP_DRAW:
 378                 if (simplerect->draw != g_value_get_boolean (value)) {
 379                         simplerect->draw = g_value_get_boolean (value);
 380                         update = TRUE;
 381                 }
 382                 break;
 383
 384
 385         case PROP_FILL:
 386                 if (simplerect->fill != g_value_get_boolean (value)) {
 387                         simplerect->fill = g_value_get_boolean (value);
 388                         update = TRUE;
 389                 }
 390                 break;
 391
 392         case PROP_FILL_COLOR_RGBA:
 393                 if (simplerect->fill_color != g_value_get_uint(value)) {
 394                         simplerect->fill_color = g_value_get_uint(value);
 395                         update = TRUE;
 396                 }
 397                 break;
 398
 399         case PROP_OUTLINE_COLOR_RGBA:
 400                 if (simplerect->outline_color != g_value_get_uint(value)) {
 401                         simplerect->outline_color = g_value_get_uint(value);
 402                         update = TRUE;
 403                 }
 404                 break;
 405
 406         case PROP_OUTLINE_PIXELS:
 407                 if (simplerect->outline_pixels != g_value_get_uint(value)) {
 408                         simplerect->outline_pixels = g_value_get_uint(value);
 409                         update = TRUE;
 410                 }
 411                 break;
 412
 413         case PROP_OUTLINE_WHAT:
 414                 if (simplerect->outline_what != g_value_get_uint(value)) {
 415                         simplerect->outline_what = g_value_get_uint(value);
 416                         update = TRUE;
 417                 }
 418                 break;
 419
 420         default:
 421                 break;
 422         }
 423
 424         simplerect->full_draw_on_update = update;
 425
 426         if (update || bounds_changed) {
 427                 gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(object));
 428         }
 429 }
 430
 431 static void
 432 gnome_canvas_simplerect_get_property (GObject      *object,
 433                                       guint         prop_id,
 434                                       GValue       *value,
 435                                       GParamSpec   *pspec)
 436 {
 437         GnomeCanvasSimpleRect *rect = GNOME_CANVAS_SIMPLERECT (object);
 438
 439         g_return_if_fail (object != NULL);
 440         g_return_if_fail (GNOME_IS_CANVAS_SIMPLERECT (object));
 441
 442         switch (prop_id) {
 443         case PROP_X1:
 444                 g_value_set_double (value, rect->x1);
 445                 break;
 446         case PROP_X2:
 447                 g_value_set_double (value, rect->x2);
 448                 break;
 449         case PROP_Y1:
 450                 g_value_set_double (value, rect->y1);
 451                 break;
 452         case PROP_Y2:
 453                 g_value_set_double (value, rect->y2);
 454                 break;
 455         case PROP_OUTLINE_WHAT:
 456                 g_value_set_uint (value, rect->outline_what);
 457                 break;
 458         case PROP_FILL:
 459                 g_value_set_boolean (value, rect->fill);
 460                 break;
 461         case PROP_OUTLINE_PIXELS:
 462                 g_value_set_uint (value, rect->outline_pixels);
 463                 break;
 464         case PROP_FILL_COLOR_RGBA:
 465                 g_value_set_uint (value, rect->fill_color);
 466                 break;
 467         case PROP_OUTLINE_COLOR_RGBA:
 468                 g_value_set_uint (value, rect->outline_color);
 469                 break;
 470         case PROP_DRAW:
 471                 g_value_set_boolean (value, rect->draw);
 472                 break;
 473
 474         default:
 475                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 476                 break;
 477         }
 478 }
 479
 480
 481 static void
 482 gnome_canvas_simplerect_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags)
 483 {
 484         GnomeCanvasSimpleRect *simplerect;
 485         unsigned char foo;
 486
 487         g_return_if_fail (clip_path == NULL);
 488
 489         simplerect = GNOME_CANVAS_SIMPLERECT (item);
 490
 491         if (parent_class->update)
 492                 (* parent_class->update) (item, affine, clip_path, flags);
 493
 494         gnome_canvas_simplerect_reset_bounds (item);
 495
 496         if (simplerect->full_draw_on_update) {
 497                 gnome_canvas_request_redraw (item->canvas,
 498                                            simplerect->bbox_ulx,
 499                                            simplerect->bbox_uly,
 500                                            simplerect->bbox_lrx+1,
 501                                            simplerect->bbox_lry+1);
 502                 simplerect->full_draw_on_update = FALSE;
 503         }
 504
 505         UINT_TO_RGBA (simplerect->fill_color, &simplerect->fill_r, &simplerect->fill_g, &simplerect->fill_b, &simplerect->fill_a);
 506         UINT_TO_RGBA (simplerect->outline_color, &simplerect->outline_r, &simplerect->outline_g, &simplerect->outline_b, &foo);
 507 }
 508
 509 #define 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                 // this can be useful for debugging/understanding how the canvas redraws
 532                 // stuff.
 533
 534                 // gint randr, randg, randb;
 535                 // randr = random() % 255;
 536                 // randg = random() % 255;
 537                 // randb = random() % 255;
 538                 // PAINT_BOX(buf, randr, randg, randb, 255, buf->rect.x0, buf->rect.y0, buf->rect.x1, buf->rect.y1);
 539
 540                 gnome_canvas_buf_ensure_buf (buf);
 541                 buf->is_bg = FALSE;
 542         }
 543
 544         if (!simplerect->draw) {
 545                 return;
 546         }
 547
 548         self.x0 = simplerect->bbox_ulx;
 549         self.y0 = simplerect->bbox_uly;
 550         self.x1 = simplerect->bbox_lrx;
 551         self.y1 = simplerect->bbox_lry;
 552
 553         art_irect_intersect (&intersection, &self, &buf->rect);
 554
 555         begin = MAX(simplerect->bbox_ulx, buf->rect.x0);
 556         end = MIN((simplerect->bbox_lrx-1), buf->rect.x1);
 557
 558         sy = simplerect->bbox_uly;
 559         ey = simplerect->bbox_lry-1;
 560
 561         if (simplerect->fill) {
 562
 563                 // this can be useful for debugging/understanding how the canvas redraws
 564                 // stuff.
 565
 566                 // gint randr, randg, randb;
 567                 // randr = random() % 255;
 568                 // randg = random() % 255;
 569                 // randb = random() % 255;
 570                 // PAINT_BOX(buf, randr, randg, randb, simplerect->fill_a, begin, sy, end, ey);
 571
 572                 FAST_PAINT_BOX (buf, simplerect->fill_r, simplerect->fill_g, simplerect->fill_b, simplerect->fill_a,
 573                                 intersection.x0, intersection.y0,
 574                                 intersection.x1, intersection.y1);
 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                 // this can be useful for debugging/understanding how the canvas redraws
 622                 // stuff.
 623
 624                 // gint randr, randg, randb;
 625                 // randr = random() % 255;
 626                 // randg = random() % 255;
 627                 // randb = random() % 255;
 628                 // PAINT_BOX(buf, randr, randg, randb, 255, buf->rect.x0, buf->rect.y0, buf->rect.x1, buf->rect.y1);
 629
 630                 gnome_canvas_buf_ensure_buf (buf);
 631                 buf->is_bg = FALSE;
 632         }
 633
 634         if (!simplerect->draw) {
 635                 return;
 636         }
 637
 638         begin = MAX(simplerect->bbox_ulx,buf->rect.x0);
 639         end = MIN((simplerect->bbox_lrx-1),buf->rect.x1);
 640
 641         sy = simplerect->bbox_uly;
 642         ey = simplerect->bbox_lry-1;
 643
 644         if (simplerect->fill) {
 645
 646                 // this can be useful for debugging/understanding how the canvas redraws
 647                 // stuff.
 648
 649                 // gint randr, randg, randb;
 650                 // randr = random() % 255;
 651                 // randg = random() % 255;
 652                 // randb = random() % 255;
 653                 // PAINT_BOX(buf, randr, randg, randb, simplerect->fill_a, begin, sy, end, ey);
 654
 655                 PAINT_BOX(buf, simplerect->fill_r, simplerect->fill_g, simplerect->fill_b, simplerect->fill_a, begin, sy, end, ey);
 656         }
 657
 658         for (i = 0; i < simplerect->outline_pixels; ++i) {
 659
 660                 if (simplerect->outline_what & 0x1) {
 661                         if (begin == simplerect->bbox_ulx) {
 662                                 PAINT_VERT(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, begin + i, sy, ey);
 663                         }
 664                 }
 665
 666                 if (simplerect->outline_what & 0x2) {
 667                         if (end == (simplerect->bbox_lrx - 1)) {
 668                                 PAINT_VERT(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, end - i, sy, ey + 1);
 669                         }
 670                 }
 671
 672                 if (simplerect->outline_what & 0x4) {
 673                         PAINT_HORIZ(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, begin, end, sy+i);
 674                 }
 675
 676                 if (simplerect->outline_what & 0x8) {
 677                         PAINT_HORIZ(buf, simplerect->outline_r, simplerect->outline_g, simplerect->outline_b, begin, end + 1, ey-i);
 678                 }
 679         }
 680 }
 681 #endif /* SIMPLERECT_FAST_RENDERER */
 682
 683 static void
 684 gnome_canvas_simplerect_draw (GnomeCanvasItem *item,
 685                             GdkDrawable *drawable,
 686                             int x, int y,
 687                             int width, int height)
 688 {
 689         fprintf (stderr, "please don't use the CanvasSimpleRect item in a non-aa Canvas\n");
 690         abort ();
 691 }
 692
 693 static double
 694 gnome_canvas_simplerect_point (GnomeCanvasItem *item, double x, double y, int cx, int cy, GnomeCanvasItem **actual_item)
 695 {
 696         GnomeCanvasSimpleRect *simplerect;
 697         double x1, y1, x2, y2;
 698         double dx, dy;
 699
 700         simplerect = GNOME_CANVAS_SIMPLERECT (item);
 701
 702         *actual_item = item;
 703
 704         /* Find the bounds for the rectangle plus its outline width */
 705
 706         gnome_canvas_simplerect_bounds (item, &x1, &y1, &x2, &y2);
 707
 708         /* Is point inside rectangle */
 709
 710         if ((x >= x1) && (y >= y1) && (x <= x2) && (y <= y2)) {
 711                 return 0.0;
 712         }
 713
 714         /* Point is outside rectangle */
 715
 716         if (x < x1)
 717                 dx = x1 - x;
 718         else if (x > x2)
 719                 dx = x - x2;
 720         else
 721                 dx = 0.0;
 722
 723         if (y < y1)
 724                 dy = y1 - y;
 725         else if (y > y2)
 726                 dy = y - y2;
 727         else
 728                 dy = 0.0;
 729
 730         return sqrt (dx * dx + dy * dy);
 731 }