src/display/nr-arena-shape.cpp

   1 #define __NR_ARENA_SHAPE_C__
   2
   3 /*
   4  * RGBA display list system for inkscape
   5  *
   6  * Author:
   7  *   Lauris Kaplinski <lauris@kaplinski.com>
   8  *
   9  * Copyright (C) 2001-2002 Lauris Kaplinski
  10  * Copyright (C) 2001 Ximian, Inc.
  11  *
  12  * Released under GNU GPL, read the file 'COPYING' for more information
  13  */
  14
  15
  16
  17 #include <display/nr-arena.h>
  18 #include <display/nr-arena-shape.h>
  19 #include "display/nr-filter.h"
  20 #include <libnr/n-art-bpath.h>
  21 #include <libnr/nr-path.h>
  22 #include <libnr/nr-pixops.h>
  23 #include <libnr/nr-matrix-ops.h>
  24 #include <libnr/nr-matrix-fns.h>
  25 #include <libnr/nr-blit.h>
  26 #include <livarot/Path.h>
  27 #include <livarot/float-line.h>
  28 #include <livarot/int-line.h>
  29 #include <style.h>
  30 /* prefs-utils used for deciding, whether to run filtering test or not */
  31 #include "prefs-utils.h"
  32
  33 //int  showRuns=0;
  34 void nr_pixblock_render_shape_mask_or(NRPixBlock &m,Shape* theS);
  35
  36 static void nr_arena_shape_class_init(NRArenaShapeClass *klass);
  37 static void nr_arena_shape_init(NRArenaShape *shape);
  38 static void nr_arena_shape_finalize(NRObject *object);
  39
  40 static NRArenaItem *nr_arena_shape_children(NRArenaItem *item);
  41 static void nr_arena_shape_add_child(NRArenaItem *item, NRArenaItem *child, NRArenaItem *ref);
  42 static void nr_arena_shape_remove_child(NRArenaItem *item, NRArenaItem *child);
  43 static void nr_arena_shape_set_child_position(NRArenaItem *item, NRArenaItem *child, NRArenaItem *ref);
  44
  45 static guint nr_arena_shape_update(NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset);
  46 static unsigned int nr_arena_shape_render(NRArenaItem *item, NRRectL *area, NRPixBlock *pb, unsigned int flags);
  47 static guint nr_arena_shape_clip(NRArenaItem *item, NRRectL *area, NRPixBlock *pb);
  48 static NRArenaItem *nr_arena_shape_pick(NRArenaItem *item, NR::Point p, double delta, unsigned int sticky);
  49
  50 static NRArenaItemClass *shape_parent_class;
  51
  52 NRType
  53 nr_arena_shape_get_type(void)
  54 {
  55     static NRType type = 0;
  56     if (!type) {
  57         type = nr_object_register_type(NR_TYPE_ARENA_ITEM,
  58                                        "NRArenaShape",
  59                                        sizeof(NRArenaShapeClass),
  60                                        sizeof(NRArenaShape),
  61                                        (void (*)(NRObjectClass *)) nr_arena_shape_class_init,
  62                                        (void (*)(NRObject *)) nr_arena_shape_init);
  63     }
  64     return type;
  65 }
  66
  67 static void
  68 nr_arena_shape_class_init(NRArenaShapeClass *klass)
  69 {
  70     NRObjectClass *object_class;
  71     NRArenaItemClass *item_class;
  72
  73     object_class = (NRObjectClass *) klass;
  74     item_class = (NRArenaItemClass *) klass;
  75
  76     shape_parent_class = (NRArenaItemClass *)  ((NRObjectClass *) klass)->parent;
  77
  78     object_class->finalize = nr_arena_shape_finalize;
  79     object_class->cpp_ctor = NRObject::invoke_ctor<NRArenaShape>;
  80
  81     item_class->children = nr_arena_shape_children;
  82     item_class->add_child = nr_arena_shape_add_child;
  83     item_class->set_child_position = nr_arena_shape_set_child_position;
  84     item_class->remove_child = nr_arena_shape_remove_child;
  85     item_class->update = nr_arena_shape_update;
  86     item_class->render = nr_arena_shape_render;
  87     item_class->clip = nr_arena_shape_clip;
  88     item_class->pick = nr_arena_shape_pick;
  89 }
  90
  91 static void
  92 nr_arena_shape_init(NRArenaShape *shape)
  93 {
  94     shape->curve = NULL;
  95     shape->style = NULL;
  96     shape->paintbox.x0 = shape->paintbox.y0 = 0.0F;
  97     shape->paintbox.x1 = shape->paintbox.y1 = 256.0F;
  98
  99     nr_matrix_set_identity(&shape->ctm);
 100     shape->fill_painter = NULL;
 101     shape->stroke_painter = NULL;
 102     shape->cached_fill = NULL;
 103     shape->cached_stroke = NULL;
 104     shape->cached_fpartialy = false;
 105     shape->cached_spartialy = false;
 106     shape->fill_shp = NULL;
 107     shape->stroke_shp = NULL;
 108
 109     shape->delayed_shp = false;
 110
 111     shape->approx_bbox.x0 = shape->approx_bbox.y0 = 0;
 112     shape->approx_bbox.x1 = shape->approx_bbox.y1 = 0;
 113     nr_matrix_set_identity(&shape->cached_fctm);
 114     nr_matrix_set_identity(&shape->cached_sctm);
 115
 116     shape->markers = NULL;
 117 }
 118
 119 static void
 120 nr_arena_shape_finalize(NRObject *object)
 121 {
 122     NRArenaShape *shape = (NRArenaShape *) object;
 123
 124     if (shape->fill_shp) delete shape->fill_shp;
 125     if (shape->stroke_shp) delete shape->stroke_shp;
 126     if (shape->cached_fill) delete shape->cached_fill;
 127     if (shape->cached_stroke) delete shape->cached_stroke;
 128     if (shape->fill_painter) sp_painter_free(shape->fill_painter);
 129     if (shape->stroke_painter) sp_painter_free(shape->stroke_painter);
 130
 131     if (shape->style) sp_style_unref(shape->style);
 132     if (shape->curve) sp_curve_unref(shape->curve);
 133
 134     ((NRObjectClass *) shape_parent_class)->finalize(object);
 135 }
 136
 137 static NRArenaItem *
 138 nr_arena_shape_children(NRArenaItem *item)
 139 {
 140     NRArenaShape *shape = (NRArenaShape *) item;
 141
 142     return shape->markers;
 143 }
 144
 145 static void
 146 nr_arena_shape_add_child(NRArenaItem *item, NRArenaItem *child, NRArenaItem *ref)
 147 {
 148     NRArenaShape *shape = (NRArenaShape *) item;
 149
 150     if (!ref) {
 151         shape->markers = nr_arena_item_attach(item, child, NULL, shape->markers);
 152     } else {
 153         ref->next = nr_arena_item_attach(item, child, ref, ref->next);
 154     }
 155
 156     nr_arena_item_request_update(item, NR_ARENA_ITEM_STATE_ALL, FALSE);
 157 }
 158
 159 static void
 160 nr_arena_shape_remove_child(NRArenaItem *item, NRArenaItem *child)
 161 {
 162     NRArenaShape *shape = (NRArenaShape *) item;
 163
 164     if (child->prev) {
 165         nr_arena_item_detach(item, child);
 166     } else {
 167         shape->markers = nr_arena_item_detach(item, child);
 168     }
 169
 170     nr_arena_item_request_update(item, NR_ARENA_ITEM_STATE_ALL, FALSE);
 171 }
 172
 173 static void
 174 nr_arena_shape_set_child_position(NRArenaItem *item, NRArenaItem *child, NRArenaItem *ref)
 175 {
 176     NRArenaShape *shape = (NRArenaShape *) item;
 177
 178     if (child->prev) {
 179         nr_arena_item_detach(item, child);
 180     } else {
 181         shape->markers = nr_arena_item_detach(item, child);
 182     }
 183
 184     if (!ref) {
 185         shape->markers = nr_arena_item_attach(item, child, NULL, shape->markers);
 186     } else {
 187         ref->next = nr_arena_item_attach(item, child, ref, ref->next);
 188     }
 189
 190     nr_arena_item_request_render(child);
 191 }
 192
 193 void nr_arena_shape_update_stroke(NRArenaShape *shape, NRGC* gc, NRRectL *area);
 194 void nr_arena_shape_update_fill(NRArenaShape *shape, NRGC *gc, NRRectL *area, bool force_shape = false);
 195 void nr_arena_shape_add_bboxes(NRArenaShape* shape,NRRect &bbox);
 196
 197 static guint
 198 nr_arena_shape_update(NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset)
 199 {
 200     NRRect bbox;
 201
 202     NRArenaShape *shape = NR_ARENA_SHAPE(item);
 203
 204     unsigned int beststate = NR_ARENA_ITEM_STATE_ALL;
 205
 206     unsigned int newstate;
 207     for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) {
 208         newstate = nr_arena_item_invoke_update(child, area, gc, state, reset);
 209         beststate = beststate & newstate;
 210     }
 211
 212     if (!(state & NR_ARENA_ITEM_STATE_RENDER)) {
 213         /* We do not have to create rendering structures */
 214         shape->ctm = gc->transform;
 215         if (state & NR_ARENA_ITEM_STATE_BBOX) {
 216             if (shape->curve) {
 217                 NRBPath bp;
 218                 /* fixme: */
 219                 bbox.x0 = bbox.y0 = NR_HUGE;
 220                 bbox.x1 = bbox.y1 = -NR_HUGE;
 221                 bp.path = SP_CURVE_BPATH(shape->curve);
 222                 nr_path_matrix_bbox_union(&bp, gc->transform, &bbox);
 223                 item->bbox.x0 = (gint32)(bbox.x0 - 1.0F);
 224                 item->bbox.y0 = (gint32)(bbox.y0 - 1.0F);
 225                 item->bbox.x1 = (gint32)(bbox.x1 + 1.9999F);
 226                 item->bbox.y1 = (gint32)(bbox.y1 + 1.9999F);
 227             }
 228             if (beststate & NR_ARENA_ITEM_STATE_BBOX) {
 229                 for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) {
 230                     nr_rect_l_union(&item->bbox, &item->bbox, &child->bbox);
 231                 }
 232             }
 233         }
 234         return (state | item->state);
 235     }
 236
 237     shape->delayed_shp=true;
 238     shape->ctm = gc->transform;
 239     bbox.x0 = bbox.y0 = NR_HUGE;
 240     bbox.x1 = bbox.y1 = -NR_HUGE;
 241
 242     if (shape->curve) {
 243         NRBPath bp;
 244         /* fixme: */
 245         bbox.x0 = bbox.y0 = NR_HUGE;
 246         bbox.x1 = bbox.y1 = -NR_HUGE;
 247         bp.path = SP_CURVE_BPATH(shape->curve);
 248         nr_path_matrix_bbox_union(&bp, gc->transform, &bbox);
 249         if (shape->_stroke.paint.type() != NRArenaShape::Paint::NONE) {
 250             float width, scale;
 251             scale = NR_MATRIX_DF_EXPANSION(&gc->transform);
 252             width = MAX(0.125, shape->_stroke.width * scale);
 253             if ( fabs(shape->_stroke.width * scale) > 0.01 ) { // sinon c'est 0=oon veut pas de bord
 254                 bbox.x0-=width;
 255                 bbox.x1+=width;
 256                 bbox.y0-=width;
 257                 bbox.y1+=width;
 258             }
 259             // those pesky miters, now
 260             float miterMax=width*shape->_stroke.mitre_limit;
 261             if ( miterMax > 0.01 ) {
 262                 // grunt mode. we should compute the various miters instead (one for each point on the curve)
 263                 bbox.x0-=miterMax;
 264                 bbox.x1+=miterMax;
 265                 bbox.y0-=miterMax;
 266                 bbox.y1+=miterMax;
 267             }
 268         }
 269     } else {
 270     }
 271     shape->approx_bbox.x0 = (gint32)(bbox.x0 - 1.0F);
 272     shape->approx_bbox.y0 = (gint32)(bbox.y0 - 1.0F);
 273     shape->approx_bbox.x1 = (gint32)(bbox.x1 + 1.9999F);
 274     shape->approx_bbox.y1 = (gint32)(bbox.y1 + 1.9999F);
 275     if ( area && nr_rect_l_test_intersect(area, &shape->approx_bbox) ) shape->delayed_shp=false;
 276
 277     /* Release state data */
 278     if (TRUE || !nr_matrix_test_transform_equal(&gc->transform, &shape->ctm, NR_EPSILON)) {
 279         /* Concept test */
 280         if (shape->fill_shp) {
 281             delete shape->fill_shp;
 282             shape->fill_shp = NULL;
 283         }
 284     }
 285     if (shape->stroke_shp) {
 286         delete shape->stroke_shp;
 287         shape->stroke_shp = NULL;
 288     }
 289     if (shape->fill_painter) {
 290         sp_painter_free(shape->fill_painter);
 291         shape->fill_painter = NULL;
 292     }
 293     if (shape->stroke_painter) {
 294         sp_painter_free(shape->stroke_painter);
 295         shape->stroke_painter = NULL;
 296     }
 297
 298     if (!shape->curve || !shape->style) return NR_ARENA_ITEM_STATE_ALL;
 299     if (sp_curve_is_empty(shape->curve)) return NR_ARENA_ITEM_STATE_ALL;
 300     if ( ( shape->_fill.paint.type() == NRArenaShape::Paint::NONE ) &&
 301          ( shape->_stroke.paint.type() == NRArenaShape::Paint::NONE ) )
 302     {
 303         return NR_ARENA_ITEM_STATE_ALL;
 304     }
 305
 306     /* Build state data */
 307     if ( shape->delayed_shp ) {
 308         item->bbox=shape->approx_bbox;
 309     } else {
 310         nr_arena_shape_update_stroke(shape, gc, area);
 311         nr_arena_shape_update_fill(shape, gc, area);
 312
 313         bbox.x0 = bbox.y0 = bbox.x1 = bbox.y1 = 0.0;
 314         nr_arena_shape_add_bboxes(shape,bbox);
 315
 316         shape->approx_bbox.x0 = (gint32)(bbox.x0 - 1.0F);
 317         shape->approx_bbox.y0 = (gint32)(bbox.y0 - 1.0F);
 318         shape->approx_bbox.x1 = (gint32)(bbox.x1 + 1.9999F);
 319         shape->approx_bbox.y1 = (gint32)(bbox.y1 + 1.9999F);
 320     }
 321
 322     if (nr_rect_d_test_empty(&bbox)) return NR_ARENA_ITEM_STATE_ALL;
 323
 324     item->bbox.x0 = (gint32)(bbox.x0 - 1.0F);
 325     item->bbox.y0 = (gint32)(bbox.y0 - 1.0F);
 326     item->bbox.x1 = (gint32)(bbox.x1 + 1.0F);
 327     item->bbox.y1 = (gint32)(bbox.y1 + 1.0F);
 328     nr_arena_request_render_rect(item->arena, &item->bbox);
 329
 330     item->render_opacity = TRUE;
 331     if ( shape->_fill.paint.type() == NRArenaShape::Paint::SERVER ) {
 332         if (gc && gc->parent) {
 333             shape->fill_painter = sp_paint_server_painter_new(shape->_fill.paint.server(),
 334                                                               NR::Matrix(&gc->transform), NR::Matrix(&gc->parent->transform),
 335                                                               &shape->paintbox);
 336         }
 337         item->render_opacity = FALSE;
 338     }
 339     if ( shape->_stroke.paint.type() == NRArenaShape::Paint::SERVER ) {
 340         if (gc && gc->parent) {
 341             shape->stroke_painter = sp_paint_server_painter_new(shape->_stroke.paint.server(),
 342                                                                 NR::Matrix(&gc->transform), NR::Matrix(&gc->parent->transform),
 343                                                                 &shape->paintbox);
 344         }
 345         item->render_opacity = FALSE;
 346     }
 347     if ( item->render_opacity == TRUE
 348          && shape->_fill.paint.type()   != NRArenaShape::Paint::NONE
 349          && shape->_stroke.paint.type() != NRArenaShape::Paint::NONE )
 350     {
 351         // don't merge item opacity with paint opacity if there is a stroke on the fill
 352         item->render_opacity = FALSE;
 353     }
 354
 355     if (beststate & NR_ARENA_ITEM_STATE_BBOX) {
 356         for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) {
 357             nr_rect_l_union(&item->bbox, &item->bbox, &child->bbox);
 358         }
 359     }
 360
 361     return NR_ARENA_ITEM_STATE_ALL;
 362 }
 363
 364 int matrix_is_isometry(NR::Matrix p) {
 365     NR::Matrix   tp;
 366     // transposition
 367     tp[0]=p[0];
 368     tp[1]=p[2];
 369     tp[2]=p[1];
 370     tp[3]=p[3];
 371     for (int i = 4; i < 6; i++) // shut valgrind up :)
 372         tp[i] = p[i] = 0;
 373     NR::Matrix   isom = tp*p; // A^T * A = adjunct?
 374     // Is the adjunct nearly an identity function?
 375     if (isom.is_translation(0.01)) {
 376         // the transformation is an isometry -> no need to recompute
 377         // the uncrossed polygon
 378         if ( p.det() < 0 )
 379             return -1;
 380         else
 381             return 1;
 382     }
 383     return 0;
 384 }
 385
 386 static bool is_inner_area(NRRectL const &outer, NRRectL const &inner) {
 387     return (outer.x0 <= inner.x0 && outer.y0 <= inner.y0 && outer.x1 >= inner.x1 && outer.y1 >= inner.y1);
 388 }
 389
 390 /** force_shape is used for clipping paths, when we need the shape for clipping even if it's not filled */
 391 void
 392 nr_arena_shape_update_fill(NRArenaShape *shape, NRGC *gc, NRRectL *area, bool force_shape)
 393 {
 394     if ((shape->_fill.paint.type() != NRArenaShape::Paint::NONE || force_shape) &&
 395         ((shape->curve->end > 2) || (SP_CURVE_BPATH(shape->curve)[1].code == NR_CURVETO)) ) {
 396         if (TRUE || !shape->fill_shp) {
 397             NR::Matrix  cached_to_new = NR::identity();
 398             int isometry = 0;
 399             if ( shape->cached_fill ) {
 400                 if (shape->cached_fctm == gc->transform) {
 401                     isometry = 2; // identity
 402                 } else {
 403                     cached_to_new = shape->cached_fctm.inverse() * gc->transform;
 404                     isometry = matrix_is_isometry(cached_to_new);
 405                 }
 406                 if (0 != isometry && !is_inner_area(shape->cached_farea, *area))
 407                     isometry = 0;
 408             }
 409             if ( isometry == 0 ) {
 410                 if ( shape->cached_fill == NULL ) shape->cached_fill=new Shape;
 411                 shape->cached_fill->Reset();
 412
 413                 Path*  thePath=new Path;
 414                 Shape* theShape=new Shape;
 415                 {
 416                     NR::Matrix   tempMat(gc->transform);
 417                     thePath->LoadArtBPath(SP_CURVE_BPATH(shape->curve),tempMat,true);
 418                 }
 419
 420                 if (is_inner_area(*area, NR_ARENA_ITEM(shape)->bbox)) {
 421                     thePath->Convert(1.0);
 422                     shape->cached_fpartialy = false;
 423                 } else {
 424                     thePath->Convert(area, 1.0);
 425                     shape->cached_fpartialy = true;
 426                 }
 427
 428                 thePath->Fill(theShape, 0);
 429
 430                 if ( shape->_fill.rule == NRArenaShape::EVEN_ODD ) {
 431                     shape->cached_fill->ConvertToShape(theShape, fill_oddEven);
 432                     // alternatively, this speeds up rendering of oddeven shapes but disables AA :(
 433                     //shape->cached_fill->Copy(theShape);
 434                 } else {
 435                     shape->cached_fill->ConvertToShape(theShape, fill_nonZero);
 436                 }
 437                 shape->cached_fctm=gc->transform;
 438                 shape->cached_farea = *area;
 439                 delete theShape;
 440                 delete thePath;
 441                 if ( shape->fill_shp == NULL )
 442                     shape->fill_shp = new Shape;
 443
 444                 shape->fill_shp->Copy(shape->cached_fill);
 445
 446             } else if ( 2 == isometry ) {
 447                 if ( shape->fill_shp == NULL ) {
 448                     shape->fill_shp = new Shape;
 449                     shape->fill_shp->Copy(shape->cached_fill);
 450                 }
 451             } else {
 452
 453                 if ( shape->fill_shp == NULL )
 454                     shape->fill_shp = new Shape;
 455
 456                 shape->fill_shp->Reset(shape->cached_fill->numberOfPoints(),
 457                                        shape->cached_fill->numberOfEdges());
 458                 for (int i = 0; i < shape->cached_fill->numberOfPoints(); i++)
 459                     shape->fill_shp->AddPoint(shape->cached_fill->getPoint(i).x * cached_to_new);
 460                 if ( isometry == 1 ) {
 461                     for (int i = 0; i < shape->cached_fill->numberOfEdges(); i++)
 462                         shape->fill_shp->AddEdge(shape->cached_fill->getEdge(i).st,
 463                                                  shape->cached_fill->getEdge(i).en);
 464                 } else if ( isometry == -1 ) { // need to flip poly.
 465                     for (int i = 0; i < shape->cached_fill->numberOfEdges(); i++)
 466                         shape->fill_shp->AddEdge(shape->cached_fill->getEdge(i).en,
 467                                                  shape->cached_fill->getEdge(i).st);
 468                 }
 469                 shape->fill_shp->ForceToPolygon();
 470                 shape->fill_shp->needPointsSorting();
 471                 shape->fill_shp->needEdgesSorting();
 472             }
 473             shape->delayed_shp |= shape->cached_fpartialy;
 474         }
 475     }
 476 }
 477
 478 void
 479 nr_arena_shape_update_stroke(NRArenaShape *shape,NRGC* gc, NRRectL *area)
 480 {
 481     SPStyle* style = shape->style;
 482
 483     float const scale = NR_MATRIX_DF_EXPANSION(&gc->transform);
 484
 485     if (NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE ||
 486         ((shape->_stroke.paint.type() != NRArenaShape::Paint::NONE) &&
 487          ( fabs(shape->_stroke.width * scale) > 0.01 ))) { // sinon c'est 0=oon veut pas de bord
 488
 489         float width = MAX(0.125, shape->_stroke.width * scale);
 490         if (NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE)
 491             width = 0.5; // 1 pixel wide, independent of zoom
 492
 493         NR::Matrix  cached_to_new = NR::identity();
 494
 495         int isometry = 0;
 496         if ( shape->cached_stroke ) {
 497             if (shape->cached_sctm == gc->transform) {
 498                 isometry = 2; // identity
 499             } else {
 500                 cached_to_new = shape->cached_sctm.inverse() * gc->transform;
 501                 isometry = matrix_is_isometry(cached_to_new);
 502             }
 503             if (0 != isometry && !is_inner_area(shape->cached_sarea, *area))
 504                 isometry = 0;
 505         }
 506
 507         if ( isometry == 0 ) {
 508             if ( shape->cached_stroke == NULL ) shape->cached_stroke=new Shape;
 509             shape->cached_stroke->Reset();
 510             Path*  thePath = new Path;
 511             Shape* theShape = new Shape;
 512             {
 513                 NR::Matrix   tempMat(gc->transform);
 514                 thePath->LoadArtBPath(SP_CURVE_BPATH(shape->curve), tempMat, true);
 515             }
 516
 517             // add some padding to the rendering area, so clipped path does not go into a render area
 518             NRRectL padded_area = *area;
 519             padded_area.x0 -= (NR::ICoord)width;
 520             padded_area.x1 += (NR::ICoord)width;
 521             padded_area.y0 -= (NR::ICoord)width;
 522             padded_area.y1 += (NR::ICoord)width;
 523             if ((style->stroke_dash.n_dash && NR_ARENA_ITEM(shape)->arena->rendermode != RENDERMODE_OUTLINE) || is_inner_area(padded_area, NR_ARENA_ITEM(shape)->bbox)) {
 524                 thePath->Convert((NR_ARENA_ITEM(shape)->arena->rendermode != RENDERMODE_OUTLINE) ? 1.0 : 4.0);
 525                 shape->cached_spartialy = false;
 526             }
 527             else {
 528                 thePath->Convert(&padded_area, (NR_ARENA_ITEM(shape)->arena->rendermode != RENDERMODE_OUTLINE) ? 1.0 : 4.0);
 529                 shape->cached_spartialy = true;
 530             }
 531
 532             if (style->stroke_dash.n_dash && NR_ARENA_ITEM(shape)->arena->rendermode != RENDERMODE_OUTLINE) {
 533                 thePath->DashPolylineFromStyle(style, scale, 1.0);
 534             }
 535
 536             ButtType butt=butt_straight;
 537             switch (shape->_stroke.cap) {
 538                 case NRArenaShape::BUTT_CAP:
 539                     butt = butt_straight;
 540                     break;
 541                 case NRArenaShape::ROUND_CAP:
 542                     butt = butt_round;
 543                     break;
 544                 case NRArenaShape::SQUARE_CAP:
 545                     butt = butt_square;
 546                     break;
 547             }
 548             JoinType join=join_straight;
 549             switch (shape->_stroke.join) {
 550                 case NRArenaShape::MITRE_JOIN:
 551                     join = join_pointy;
 552                     break;
 553                 case NRArenaShape::ROUND_JOIN:
 554                     join = join_round;
 555                     break;
 556                 case NRArenaShape::BEVEL_JOIN:
 557                     join = join_straight;
 558                     break;
 559             }
 560
 561             if (NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE) {
 562                 butt = butt_straight;
 563                 join = join_straight;
 564             }
 565
 566             thePath->Stroke(theShape, false, 0.5*width, join, butt,
 567                             0.5*width*shape->_stroke.mitre_limit);
 568
 569
 570             if (NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE) {
 571                 // speeds it up, but uses evenodd for the stroke shape (which does not matter for 1-pixel wide outline)
 572                 shape->cached_stroke->Copy(theShape);
 573             } else {
 574                 shape->cached_stroke->ConvertToShape(theShape, fill_nonZero);
 575             }
 576
 577             shape->cached_sctm=gc->transform;
 578             shape->cached_sarea = *area;
 579             delete thePath;
 580             delete theShape;
 581             if ( shape->stroke_shp == NULL ) shape->stroke_shp=new Shape;
 582
 583             shape->stroke_shp->Copy(shape->cached_stroke);
 584
 585         } else if ( 2 == isometry ) {
 586             if ( shape->stroke_shp == NULL ) {
 587                 shape->stroke_shp=new Shape;
 588                 shape->stroke_shp->Copy(shape->cached_stroke);
 589             }
 590         } else {
 591             if ( shape->stroke_shp == NULL )
 592                 shape->stroke_shp=new Shape;
 593             shape->stroke_shp->Reset(shape->cached_stroke->numberOfPoints(), shape->cached_stroke->numberOfEdges());
 594             for (int i = 0; i < shape->cached_stroke->numberOfPoints(); i++)
 595                 shape->stroke_shp->AddPoint(shape->cached_stroke->getPoint(i).x * cached_to_new);
 596             if ( isometry == 1 ) {
 597                 for (int i = 0; i < shape->cached_stroke->numberOfEdges(); i++)
 598                     shape->stroke_shp->AddEdge(shape->cached_stroke->getEdge(i).st,
 599                                                shape->cached_stroke->getEdge(i).en);
 600             } else if ( isometry == -1 ) {
 601                 for (int i = 0; i < shape->cached_stroke->numberOfEdges(); i++)
 602                     shape->stroke_shp->AddEdge(shape->cached_stroke->getEdge(i).en,
 603                                                shape->cached_stroke->getEdge(i).st);
 604             }
 605             shape->stroke_shp->ForceToPolygon();
 606             shape->stroke_shp->needPointsSorting();
 607             shape->stroke_shp->needEdgesSorting();
 608         }
 609         shape->delayed_shp |= shape->cached_spartialy;
 610     }
 611 }
 612
 613
 614 void
 615 nr_arena_shape_add_bboxes(NRArenaShape* shape, NRRect &bbox)
 616 {
 617     if ( shape->stroke_shp ) {
 618         shape->stroke_shp->CalcBBox();
 619         shape->stroke_shp->leftX=floor(shape->stroke_shp->leftX);
 620         shape->stroke_shp->rightX=ceil(shape->stroke_shp->rightX);
 621         shape->stroke_shp->topY=floor(shape->stroke_shp->topY);
 622         shape->stroke_shp->bottomY=ceil(shape->stroke_shp->bottomY);
 623         if ( bbox.x0 >= bbox.x1 ) {
 624             if ( shape->stroke_shp->leftX < shape->stroke_shp->rightX ) {
 625                 bbox.x0=shape->stroke_shp->leftX;
 626                 bbox.x1=shape->stroke_shp->rightX;
 627             }
 628         } else {
 629             if ( shape->stroke_shp->leftX < bbox.x0 )
 630                 bbox.x0=shape->stroke_shp->leftX;
 631             if ( shape->stroke_shp->rightX > bbox.x1 )
 632                 bbox.x1=shape->stroke_shp->rightX;
 633         }
 634         if ( bbox.y0 >= bbox.y1 ) {
 635             if ( shape->stroke_shp->topY < shape->stroke_shp->bottomY ) {
 636                 bbox.y0=shape->stroke_shp->topY;
 637                 bbox.y1=shape->stroke_shp->bottomY;
 638             }
 639         } else {
 640             if ( shape->stroke_shp->topY < bbox.y0 )
 641                 bbox.y0=shape->stroke_shp->topY;
 642             if ( shape->stroke_shp->bottomY > bbox.y1 )
 643                 bbox.y1=shape->stroke_shp->bottomY;
 644         }
 645     }
 646     if ( shape->fill_shp ) {
 647         shape->fill_shp->CalcBBox();
 648         shape->fill_shp->leftX=floor(shape->fill_shp->leftX);
 649         shape->fill_shp->rightX=ceil(shape->fill_shp->rightX);
 650         shape->fill_shp->topY=floor(shape->fill_shp->topY);
 651         shape->fill_shp->bottomY=ceil(shape->fill_shp->bottomY);
 652         if ( bbox.x0 >= bbox.x1 ) {
 653             if ( shape->fill_shp->leftX < shape->fill_shp->rightX ) {
 654                 bbox.x0=shape->fill_shp->leftX;
 655                 bbox.x1=shape->fill_shp->rightX;
 656             }
 657         } else {
 658             if ( shape->fill_shp->leftX < bbox.x0 ) bbox.x0=shape->fill_shp->leftX;
 659             if ( shape->fill_shp->rightX > bbox.x1 ) bbox.x1=shape->fill_shp->rightX;
 660         }
 661         if ( bbox.y0 >= bbox.y1 ) {
 662             if ( shape->fill_shp->topY < shape->fill_shp->bottomY ) {
 663                 bbox.y0=shape->fill_shp->topY;
 664                 bbox.y1=shape->fill_shp->bottomY;
 665             }
 666         } else {
 667             if ( shape->fill_shp->topY < bbox.y0 ) bbox.y0=shape->fill_shp->topY;
 668             if ( shape->fill_shp->bottomY > bbox.y1 ) bbox.y1=shape->fill_shp->bottomY;
 669         }
 670     }
 671 }
 672 static unsigned int
 673 nr_arena_shape_render(NRArenaItem *item, NRRectL *area, NRPixBlock *pb, unsigned int flags)
 674 {
 675     NRArenaShape *shape = NR_ARENA_SHAPE(item);
 676
 677     if (!shape->curve) return item->state;
 678     if (!shape->style) return item->state;
 679
 680     if ( shape->delayed_shp ) {
 681         if ( nr_rect_l_test_intersect(area, &item->bbox) ) {
 682             NRGC   tempGC(NULL);
 683             tempGC.transform=shape->ctm;
 684             shape->delayed_shp = false;
 685             nr_arena_shape_update_stroke(shape,&tempGC,&pb->visible_area);
 686             nr_arena_shape_update_fill(shape,&tempGC,&pb->visible_area);
 687 /*      NRRect bbox;
 688         bbox.x0 = bbox.y0 = bbox.x1 = bbox.y1 = 0.0;
 689         nr_arena_shape_add_bboxes(shape,bbox);
 690         item->bbox.x0 = (gint32)(bbox.x0 - 1.0F);
 691         item->bbox.y0 = (gint32)(bbox.y0 - 1.0F);
 692         item->bbox.x1 = (gint32)(bbox.x1 + 1.0F);
 693         item->bbox.y1 = (gint32)(bbox.y1 + 1.0F);
 694         shape->approx_bbox=item->bbox;*/
 695         } else {
 696             return item->state;
 697         }
 698     }
 699
 700     SPStyle const *style = shape->style;
 701     if ( shape->fill_shp && NR_ARENA_ITEM(shape)->arena->rendermode != RENDERMODE_OUTLINE) {
 702         NRPixBlock m;
 703         guint32 rgba;
 704
 705         nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
 706         m.visible_area = pb->visible_area;
 707         nr_pixblock_render_shape_mask_or(m,shape->fill_shp);
 708         m.empty = FALSE;
 709
 710         if (shape->_fill.paint.type() == NRArenaShape::Paint::NONE) {
 711             // do not render fill in any way
 712         } else if (shape->_fill.paint.type() == NRArenaShape::Paint::COLOR) {
 713             if ( item->render_opacity ) {
 714                 rgba = sp_color_get_rgba32_falpha(&shape->_fill.paint.color(),
 715                                                   shape->_fill.opacity *
 716                                                   SP_SCALE24_TO_FLOAT(style->opacity.value));
 717             } else {
 718                 rgba = sp_color_get_rgba32_falpha(&shape->_fill.paint.color(),
 719                                                   shape->_fill.opacity);
 720             }
 721             nr_blit_pixblock_mask_rgba32(pb, &m, rgba);
 722             pb->empty = FALSE;
 723         } else if (shape->_fill.paint.type() == NRArenaShape::Paint::SERVER) {
 724             if (shape->fill_painter) {
 725                 nr_arena_render_paintserver_fill(pb, area, shape->fill_painter, shape->_fill.opacity, &m);
 726             }
 727         }
 728
 729         nr_pixblock_release(&m);
 730     }
 731
 732     if ( shape->stroke_shp ) {
 733         NRPixBlock m;
 734         guint32 rgba;
 735
 736         nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
 737         m.visible_area = pb->visible_area;
 738         nr_pixblock_render_shape_mask_or(m, shape->stroke_shp);
 739         m.empty = FALSE;
 740
 741         if (shape->_stroke.paint.type() == NRArenaShape::Paint::COLOR ||
 742             NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE) {
 743             if ( NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE) {
 744                 rgba = NR_ARENA_ITEM(shape)->arena->outlinecolor;
 745             } else if ( item->render_opacity ) {
 746                 rgba = sp_color_get_rgba32_falpha(&shape->_stroke.paint.color(),
 747                                                   shape->_stroke.opacity *
 748                                                   SP_SCALE24_TO_FLOAT(style->opacity.value));
 749             } else {
 750                 rgba = sp_color_get_rgba32_falpha(&shape->_stroke.paint.color(),
 751                                                   shape->_stroke.opacity);
 752             }
 753             nr_blit_pixblock_mask_rgba32(pb, &m, rgba);
 754             pb->empty = FALSE;
 755         } else if (shape->_stroke.paint.type() == NRArenaShape::Paint::SERVER) {
 756             if (shape->stroke_painter) {
 757                 nr_arena_render_paintserver_fill(pb, area, shape->stroke_painter, shape->_stroke.opacity, &m);
 758             }
 759         }
 760
 761         nr_pixblock_release(&m);
 762     }
 763
 764     /* Just compose children into parent buffer */
 765     for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) {
 766         unsigned int ret;
 767         ret = nr_arena_item_invoke_render(child, area, pb, flags);
 768         if (ret & NR_ARENA_ITEM_STATE_INVALID) return ret;
 769     }
 770
 771     return item->state;
 772 }
 773
 774 static guint
 775 nr_arena_shape_clip(NRArenaItem *item, NRRectL *area, NRPixBlock *pb)
 776 {
 777     NRArenaShape *shape = NR_ARENA_SHAPE(item);
 778     if (!shape->curve) return item->state;
 779
 780     if ( shape->delayed_shp || shape->fill_shp == NULL) { // we need a fill shape no matter what
 781         if ( nr_rect_l_test_intersect(area, &item->bbox) ) {
 782             NRGC   tempGC(NULL);
 783             tempGC.transform=shape->ctm;
 784             shape->delayed_shp = false;
 785             nr_arena_shape_update_fill(shape, &tempGC, &pb->visible_area, true);
 786         } else {
 787             return item->state;
 788         }
 789     }
 790
 791     if ( shape->fill_shp ) {
 792         NRPixBlock m;
 793
 794         /* fixme: We can OR in one step (Lauris) */
 795         nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
 796         m.visible_area = pb->visible_area;
 797         nr_pixblock_render_shape_mask_or(m,shape->fill_shp);
 798
 799         for (int y = area->y0; y < area->y1; y++) {
 800             unsigned char *s, *d;
 801             s = NR_PIXBLOCK_PX(&m) + (y - area->y0) * m.rs;
 802             d = NR_PIXBLOCK_PX(pb) + (y - area->y0) * pb->rs;
 803             for (int x = area->x0; x < area->x1; x++) {
 804                 *d = NR_A7_NORMALIZED(*s,*d);
 805                 d ++;
 806                 s ++;
 807             }
 808         }
 809         nr_pixblock_release(&m);
 810         pb->empty = FALSE;
 811     }
 812
 813     return item->state;
 814 }
 815
 816 static NRArenaItem *
 817 nr_arena_shape_pick(NRArenaItem *item, NR::Point p, double delta, unsigned int /*sticky*/)
 818 {
 819     NRArenaShape *shape = NR_ARENA_SHAPE(item);
 820
 821     if (!shape->curve) return NULL;
 822     if (!shape->style) return NULL;
 823     if ( shape->delayed_shp ) {
 824         NRRectL  area, updateArea;
 825         area.x0=(int)floor(p[NR::X]);
 826         area.x1=(int)ceil(p[NR::X]);
 827         area.y0=(int)floor(p[NR::Y]);
 828         area.y1=(int)ceil(p[NR::Y]);
 829         int idelta = (int)ceil(delta) + 1;
 830         // njh: inset rect
 831         area.x0-=idelta;
 832         area.x1+=idelta;
 833         area.y0-=idelta;
 834         area.y1+=idelta;
 835         if ( nr_rect_l_test_intersect(&area, &item->bbox) ) {
 836             NRGC   tempGC(NULL);
 837             tempGC.transform=shape->ctm;
 838             updateArea = item->bbox;
 839             if (shape->cached_stroke)
 840                 nr_rect_l_intersect (&updateArea, &updateArea, &shape->cached_sarea);
 841
 842             shape->delayed_shp = false;
 843             nr_arena_shape_update_stroke(shape, &tempGC, &updateArea);
 844             nr_arena_shape_update_fill(shape, &tempGC, &updateArea);
 845             /*      NRRect bbox;
 846                     bbox.x0 = bbox.y0 = bbox.x1 = bbox.y1 = 0.0;
 847                     nr_arena_shape_add_bboxes(shape,bbox);
 848                     item->bbox.x0 = (gint32)(bbox.x0 - 1.0F);
 849                     item->bbox.y0 = (gint32)(bbox.y0 - 1.0F);
 850                     item->bbox.x1 = (gint32)(bbox.x1 + 1.0F);
 851                     item->bbox.y1 = (gint32)(bbox.y1 + 1.0F);
 852                     shape->approx_bbox=item->bbox;*/
 853         }
 854     }
 855
 856     if (item->state & NR_ARENA_ITEM_STATE_RENDER) {
 857         if (shape->fill_shp && (shape->_fill.paint.type() != NRArenaShape::Paint::NONE)) {
 858             if (shape->fill_shp->PtWinding(p) > 0 ) return item;
 859         }
 860         if (shape->stroke_shp && (shape->_stroke.paint.type() != NRArenaShape::Paint::NONE)) {
 861             if (shape->stroke_shp->PtWinding(p) > 0 ) return item;
 862         }
 863         if (delta > 1e-3) {
 864             if (shape->fill_shp && (shape->_fill.paint.type() != NRArenaShape::Paint::NONE)) {
 865                 if (distanceLessThanOrEqual(shape->fill_shp, p, delta)) return item;
 866             }
 867             if (shape->stroke_shp && (shape->_stroke.paint.type() != NRArenaShape::Paint::NONE)) {
 868                 if (distanceLessThanOrEqual(shape->stroke_shp, p, delta)) return item;
 869             }
 870         }
 871     } else {
 872         NRBPath bp;
 873         bp.path = SP_CURVE_BPATH(shape->curve);
 874         double dist = NR_HUGE;
 875         int wind = 0;
 876         nr_path_matrix_point_bbox_wind_distance(&bp, shape->ctm, p, NULL, &wind, &dist, NR_EPSILON);
 877         if (shape->_fill.paint.type() != NRArenaShape::Paint::NONE) {
 878             if (!shape->style->fill_rule.computed) {
 879                 if (wind != 0) return item;
 880             } else {
 881                 if (wind & 0x1) return item;
 882             }
 883         }
 884         if (shape->_stroke.paint.type() != NRArenaShape::Paint::NONE) {
 885             /* fixme: We do not take stroke width into account here (Lauris) */
 886             if (dist < delta) return item;
 887         }
 888     }
 889
 890     return NULL;
 891 }
 892
 893 /**
 894  *
 895  *  Requests a render of the shape, then if the shape is already a curve it
 896  *  unrefs the old curve; if the new curve is valid it creates a copy of the
 897  *  curve and adds it to the shape.  Finally, it requests an update of the
 898  *  arena for the shape.
 899  */
 900 void nr_arena_shape_set_path(NRArenaShape *shape, SPCurve *curve,bool justTrans)
 901 {
 902     g_return_if_fail(shape != NULL);
 903     g_return_if_fail(NR_IS_ARENA_SHAPE(shape));
 904
 905     if ( justTrans == false ) {
 906         // dirty cached versions
 907         if ( shape->cached_fill ) {
 908             delete shape->cached_fill;
 909             shape->cached_fill=NULL;
 910         }
 911         if ( shape->cached_stroke ) {
 912             delete shape->cached_stroke;
 913             shape->cached_stroke=NULL;
 914         }
 915     }
 916
 917     nr_arena_item_request_render(NR_ARENA_ITEM(shape));
 918
 919     if (shape->curve) {
 920         sp_curve_unref(shape->curve);
 921         shape->curve = NULL;
 922     }
 923
 924     if (curve) {
 925         shape->curve = curve;
 926         sp_curve_ref(curve);
 927     }
 928
 929     nr_arena_item_request_update(NR_ARENA_ITEM(shape), NR_ARENA_ITEM_STATE_ALL, FALSE);
 930 }
 931
 932 void NRArenaShape::setFill(SPPaintServer *server) {
 933     _fill.paint.set(server);
 934     _invalidateCachedFill();
 935 }
 936
 937 void NRArenaShape::setFill(SPColor const &color) {
 938     _fill.paint.set(color);
 939     _invalidateCachedFill();
 940 }
 941
 942 void NRArenaShape::setFillOpacity(double opacity) {
 943     _fill.opacity = opacity;
 944     _invalidateCachedFill();
 945 }
 946
 947 void NRArenaShape::setFillRule(NRArenaShape::FillRule rule) {
 948     _fill.rule = rule;
 949     _invalidateCachedFill();
 950 }
 951
 952 void NRArenaShape::setStroke(SPPaintServer *server) {
 953     _stroke.paint.set(server);
 954     _invalidateCachedStroke();
 955 }
 956
 957 void NRArenaShape::setStroke(SPColor const &color) {
 958     _stroke.paint.set(color);
 959     _invalidateCachedStroke();
 960 }
 961
 962 void NRArenaShape::setStrokeOpacity(double opacity) {
 963     _stroke.opacity = opacity;
 964     _invalidateCachedStroke();
 965 }
 966
 967 void NRArenaShape::setStrokeWidth(double width) {
 968     _stroke.width = width;
 969     _invalidateCachedStroke();
 970 }
 971
 972 void NRArenaShape::setMitreLimit(double limit) {
 973     _stroke.mitre_limit = limit;
 974     _invalidateCachedStroke();
 975 }
 976
 977 void NRArenaShape::setLineCap(NRArenaShape::CapType cap) {
 978     _stroke.cap = cap;
 979     _invalidateCachedStroke();
 980 }
 981
 982 void NRArenaShape::setLineJoin(NRArenaShape::JoinType join) {
 983     _stroke.join = join;
 984     _invalidateCachedStroke();
 985 }
 986
 987 /** nr_arena_shape_set_style
 988  *
 989  * Unrefs any existing style and ref's to the given one, then requests an update of the arena
 990  */
 991 void
 992 nr_arena_shape_set_style(NRArenaShape *shape, SPStyle *style)
 993 {
 994     g_return_if_fail(shape != NULL);
 995     g_return_if_fail(NR_IS_ARENA_SHAPE(shape));
 996
 997     if (style) sp_style_ref(style);
 998     if (shape->style) sp_style_unref(shape->style);
 999     shape->style = style;
1000
1001     switch (style->fill.type) {
1002         case SP_PAINT_TYPE_NONE: {
1003             shape->setFill(NULL);
1004             break;
1005         }
1006         case SP_PAINT_TYPE_COLOR: {
1007             shape->setFill(style->fill.value.color);
1008             break;
1009         }
1010         case SP_PAINT_TYPE_PAINTSERVER: {
1011             shape->setFill(style->fill.value.paint.server);
1012             break;
1013         }
1014         default: {
1015             g_assert_not_reached();
1016         }
1017     }
1018     shape->setFillOpacity(SP_SCALE24_TO_FLOAT(style->fill_opacity.value));
1019     switch (style->fill_rule.computed) {
1020         case SP_WIND_RULE_EVENODD: {
1021             shape->setFillRule(NRArenaShape::EVEN_ODD);
1022             break;
1023         }
1024         case SP_WIND_RULE_NONZERO: {
1025             shape->setFillRule(NRArenaShape::NONZERO);
1026             break;
1027         }
1028         default: {
1029             g_assert_not_reached();
1030         }
1031     }
1032
1033     switch (style->stroke.type) {
1034         case SP_PAINT_TYPE_NONE: {
1035             shape->setStroke(NULL);
1036             break;
1037         }
1038         case SP_PAINT_TYPE_COLOR: {
1039             shape->setStroke(style->stroke.value.color);
1040             break;
1041         }
1042         case SP_PAINT_TYPE_PAINTSERVER: {
1043             shape->setStroke(style->stroke.value.paint.server);
1044             break;
1045         }
1046         default: {
1047             g_assert_not_reached();
1048         }
1049     }
1050     shape->setStrokeWidth(style->stroke_width.computed);
1051     shape->setStrokeOpacity(SP_SCALE24_TO_FLOAT(style->stroke_opacity.value));
1052     switch (style->stroke_linecap.computed) {
1053         case SP_STROKE_LINECAP_ROUND: {
1054             shape->setLineCap(NRArenaShape::ROUND_CAP);
1055             break;
1056         }
1057         case SP_STROKE_LINECAP_SQUARE: {
1058             shape->setLineCap(NRArenaShape::SQUARE_CAP);
1059             break;
1060         }
1061         case SP_STROKE_LINECAP_BUTT: {
1062             shape->setLineCap(NRArenaShape::BUTT_CAP);
1063             break;
1064         }
1065         default: {
1066             g_assert_not_reached();
1067         }
1068     }
1069     switch (style->stroke_linejoin.computed) {
1070         case SP_STROKE_LINEJOIN_ROUND: {
1071             shape->setLineJoin(NRArenaShape::ROUND_JOIN);
1072             break;
1073         }
1074         case SP_STROKE_LINEJOIN_BEVEL: {
1075             shape->setLineJoin(NRArenaShape::BEVEL_JOIN);
1076             break;
1077         }
1078         case SP_STROKE_LINEJOIN_MITER: {
1079             shape->setLineJoin(NRArenaShape::MITRE_JOIN);
1080             break;
1081         }
1082         default: {
1083             g_assert_not_reached();
1084         }
1085     }
1086     shape->setMitreLimit(style->stroke_miterlimit.value);
1087
1088     /* TODO: after SPStyle handles filters, get the correct filter
1089      * from there. */
1090     //if (prefs_get_double_attribute("options.filtertest", "value", 0) != 0)
1091     if (style->filter.set && style->filter.filter)
1092         shape->filter = new NR::Filter();
1093
1094     nr_arena_item_request_update(shape, NR_ARENA_ITEM_STATE_ALL, FALSE);
1095 }
1096
1097 void
1098 nr_arena_shape_set_paintbox(NRArenaShape *shape, NRRect const *pbox)
1099 {
1100     g_return_if_fail(shape != NULL);
1101     g_return_if_fail(NR_IS_ARENA_SHAPE(shape));
1102     g_return_if_fail(pbox != NULL);
1103
1104     if ((pbox->x0 < pbox->x1) && (pbox->y0 < pbox->y1)) {
1105         shape->paintbox = *pbox;
1106     } else {
1107         /* fixme: We kill warning, although not sure what to do here (Lauris) */
1108         shape->paintbox.x0 = shape->paintbox.y0 = 0.0F;
1109         shape->paintbox.x1 = shape->paintbox.y1 = 256.0F;
1110     }
1111
1112     nr_arena_item_request_update(shape, NR_ARENA_ITEM_STATE_ALL, FALSE);
1113 }
1114
1115 void NRArenaShape::setPaintBox(NR::Rect const &pbox)
1116 {
1117     paintbox.x0 = pbox.min()[NR::X];
1118     paintbox.y0 = pbox.min()[NR::Y];
1119     paintbox.x1 = pbox.max()[NR::X];
1120     paintbox.y1 = pbox.max()[NR::Y];
1121
1122     nr_arena_item_request_update(this, NR_ARENA_ITEM_STATE_ALL, FALSE);
1123 }
1124
1125 static void
1126 shape_run_A8_OR(raster_info &dest,void */*data*/,int st,float vst,int en,float ven)
1127 {
1128     if ( st >= en ) return;
1129     if ( vst < 0 ) vst=0;
1130     if ( vst > 1 ) vst=1;
1131     if ( ven < 0 ) ven=0;
1132     if ( ven > 1 ) ven=1;
1133     float   sv=vst;
1134     float   dv=ven-vst;
1135     int     len=en-st;
1136     unsigned char*   d=(unsigned char*)dest.buffer;
1137     d+=(st-dest.startPix);
1138     if ( fabs(dv) < 0.001 ) {
1139         if ( vst > 0.999 ) {
1140             /* Simple copy */
1141             while (len > 0) {
1142                 d[0] = 255;
1143                 d += 1;
1144                 len -= 1;
1145             }
1146         } else {
1147             sv*=256;
1148             unsigned int c0_24=(int)sv;
1149             c0_24&=0xFF;
1150             while (len > 0) {
1151                 unsigned int da;
1152                 /* Draw */
1153                 da = NR_A7(c0_24,d[0]);
1154                 d[0] = NR_PREMUL_SINGLE(da);
1155                 d += 1;
1156                 len -= 1;
1157             }
1158         }
1159     } else {
1160         if ( en <= st+1 ) {
1161             sv=0.5*(vst+ven);
1162             sv*=256;
1163             unsigned int c0_24=(int)sv;
1164             c0_24&=0xFF;
1165             unsigned int da;
1166             /* Draw */
1167             da = NR_A7(c0_24,d[0]);
1168             d[0] = NR_PREMUL_SINGLE(da);
1169         } else {
1170             dv/=len;
1171             sv+=0.5*dv; // correction trapezoidale
1172             sv*=16777216;
1173             dv*=16777216;
1174             int c0_24 = static_cast<int>(CLAMP(sv, 0, 16777216));
1175             int s0_24 = static_cast<int>(dv);
1176             while (len > 0) {
1177                 unsigned int ca, da;
1178                 /* Draw */
1179                 ca = c0_24 >> 16;
1180                 if ( ca > 255 ) ca=255;
1181                 da = NR_A7(ca,d[0]);
1182                 d[0] = NR_PREMUL_SINGLE(da);
1183                 d += 1;
1184                 c0_24 += s0_24;
1185                 c0_24 = CLAMP(c0_24, 0, 16777216);
1186                 len -= 1;
1187             }
1188         }
1189     }
1190 }
1191
1192 void nr_pixblock_render_shape_mask_or(NRPixBlock &m,Shape* theS)
1193 {
1194     theS->CalcBBox();
1195     float l = theS->leftX, r = theS->rightX, t = theS->topY, b = theS->bottomY;
1196     int    il,ir,it,ib;
1197     il=(int)floor(l);
1198     ir=(int)ceil(r);
1199     it=(int)floor(t);
1200     ib=(int)ceil(b);
1201
1202     if ( il >= m.area.x1 || ir <= m.area.x0 || it >= m.area.y1 || ib <= m.area.y0 ) return;
1203     if ( il < m.area.x0 ) il=m.area.x0;
1204     if ( it < m.area.y0 ) it=m.area.y0;
1205     if ( ir > m.area.x1 ) ir=m.area.x1;
1206     if ( ib > m.area.y1 ) ib=m.area.y1;
1207
1208     /* This is the FloatLigne version.  See svn (prior to Apr 2006) for versions using BitLigne or direct BitLigne. */
1209     int    curPt;
1210     float  curY;
1211     theS->BeginQuickRaster(curY, curPt);
1212
1213     FloatLigne *theI = new FloatLigne();
1214     IntLigne *theIL = new IntLigne();
1215
1216     theS->DirectQuickScan(curY, curPt, (float) it, true, 1.0);
1217
1218     char *mdata = (char*)m.data.px;
1219     if ( m.size == NR_PIXBLOCK_SIZE_TINY ) mdata=(char*)m.data.p;
1220     uint32_t *ligStart = ((uint32_t*)(mdata + ((il - m.area.x0) + m.rs * (it - m.area.y0))));
1221     for (int y = it; y < ib; y++) {
1222         theI->Reset();
1223         theS->QuickScan(curY, curPt, ((float)(y+1)), theI, 1.0);
1224         theI->Flatten();
1225         theIL->Copy(theI);
1226
1227         raster_info  dest;
1228         dest.startPix=il;
1229         dest.endPix=ir;
1230         dest.sth=il;
1231         dest.stv=y;
1232         dest.buffer=ligStart;
1233         theIL->Raster(dest, NULL, shape_run_A8_OR);
1234         ligStart=((uint32_t*)(((char*)ligStart)+m.rs));
1235     }
1236     theS->EndQuickRaster();
1237     delete theI;
1238     delete theIL;
1239 }
1240
1241
1242 /*
1243   Local Variables:
1244   mode:c++
1245   c-file-style:"stroustrup"
1246   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1247   indent-tabs-mode:nil
1248   fill-column:99
1249   End:
1250 */
1251 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :