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 "display/nr-filter-gaussian.h"
  21 #include "display/nr-filter-types.h"
  22 #include <libnr/n-art-bpath.h>
  23 #include <libnr/nr-path.h>
  24 #include <libnr/nr-pixops.h>
  25 #include <libnr/nr-matrix-ops.h>
  26 #include <libnr/nr-matrix-fns.h>
  27 #include <libnr/nr-blit.h>
  28 #include <livarot/Path.h>
  29 #include <livarot/float-line.h>
  30 #include <livarot/int-line.h>
  31 #include <style.h>
  32 /* prefs-utils used for deciding, whether to run filtering test or not */
  33 #include "prefs-utils.h"
  34 #include "sp-filter.h"
  35 #include "sp-gaussian-blur.h"
  36
  37 //int  showRuns=0;
  38 void nr_pixblock_render_shape_mask_or(NRPixBlock &m,Shape* theS);
  39
  40 static void nr_arena_shape_class_init(NRArenaShapeClass *klass);
  41 static void nr_arena_shape_init(NRArenaShape *shape);
  42 static void nr_arena_shape_finalize(NRObject *object);
  43
  44 static NRArenaItem *nr_arena_shape_children(NRArenaItem *item);
  45 static void nr_arena_shape_add_child(NRArenaItem *item, NRArenaItem *child, NRArenaItem *ref);
  46 static void nr_arena_shape_remove_child(NRArenaItem *item, NRArenaItem *child);
  47 static void nr_arena_shape_set_child_position(NRArenaItem *item, NRArenaItem *child, NRArenaItem *ref);
  48
  49 static guint nr_arena_shape_update(NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset);
  50 static unsigned int nr_arena_shape_render(NRArenaItem *item, NRRectL *area, NRPixBlock *pb, unsigned int flags);
  51 static guint nr_arena_shape_clip(NRArenaItem *item, NRRectL *area, NRPixBlock *pb);
  52 static NRArenaItem *nr_arena_shape_pick(NRArenaItem *item, NR::Point p, double delta, unsigned int sticky);
  53
  54 static NRArenaItemClass *shape_parent_class;
  55
  56 NRType
  57 nr_arena_shape_get_type(void)
  58 {
  59     static NRType type = 0;
  60     if (!type) {
  61         type = nr_object_register_type(NR_TYPE_ARENA_ITEM,
  62                                        "NRArenaShape",
  63                                        sizeof(NRArenaShapeClass),
  64                                        sizeof(NRArenaShape),
  65                                        (void (*)(NRObjectClass *)) nr_arena_shape_class_init,
  66                                        (void (*)(NRObject *)) nr_arena_shape_init);
  67     }
  68     return type;
  69 }
  70
  71 static void
  72 nr_arena_shape_class_init(NRArenaShapeClass *klass)
  73 {
  74     NRObjectClass *object_class;
  75     NRArenaItemClass *item_class;
  76
  77     object_class = (NRObjectClass *) klass;
  78     item_class = (NRArenaItemClass *) klass;
  79
  80     shape_parent_class = (NRArenaItemClass *)  ((NRObjectClass *) klass)->parent;
  81
  82     object_class->finalize = nr_arena_shape_finalize;
  83     object_class->cpp_ctor = NRObject::invoke_ctor<NRArenaShape>;
  84
  85     item_class->children = nr_arena_shape_children;
  86     item_class->add_child = nr_arena_shape_add_child;
  87     item_class->set_child_position = nr_arena_shape_set_child_position;
  88     item_class->remove_child = nr_arena_shape_remove_child;
  89     item_class->update = nr_arena_shape_update;
  90     item_class->render = nr_arena_shape_render;
  91     item_class->clip = nr_arena_shape_clip;
  92     item_class->pick = nr_arena_shape_pick;
  93 }
  94
  95 static void
  96 nr_arena_shape_init(NRArenaShape *shape)
  97 {
  98     shape->curve = NULL;
  99     shape->style = NULL;
 100     shape->paintbox.x0 = shape->paintbox.y0 = 0.0F;
 101     shape->paintbox.x1 = shape->paintbox.y1 = 256.0F;
 102
 103     nr_matrix_set_identity(&shape->ctm);
 104     shape->fill_painter = NULL;
 105     shape->stroke_painter = NULL;
 106     shape->cached_fill = NULL;
 107     shape->cached_stroke = NULL;
 108     shape->cached_fpartialy = false;
 109     shape->cached_spartialy = false;
 110     shape->fill_shp = NULL;
 111     shape->stroke_shp = NULL;
 112
 113     shape->delayed_shp = false;
 114
 115     shape->approx_bbox.x0 = shape->approx_bbox.y0 = 0;
 116     shape->approx_bbox.x1 = shape->approx_bbox.y1 = 0;
 117     nr_matrix_set_identity(&shape->cached_fctm);
 118     nr_matrix_set_identity(&shape->cached_sctm);
 119
 120     shape->markers = NULL;
 121 }
 122
 123 static void
 124 nr_arena_shape_finalize(NRObject *object)
 125 {
 126     NRArenaShape *shape = (NRArenaShape *) object;
 127
 128     if (shape->fill_shp) delete shape->fill_shp;
 129     if (shape->stroke_shp) delete shape->stroke_shp;
 130     if (shape->cached_fill) delete shape->cached_fill;
 131     if (shape->cached_stroke) delete shape->cached_stroke;
 132     if (shape->fill_painter) sp_painter_free(shape->fill_painter);
 133     if (shape->stroke_painter) sp_painter_free(shape->stroke_painter);
 134
 135     if (shape->style) sp_style_unref(shape->style);
 136     if (shape->curve) sp_curve_unref(shape->curve);
 137
 138     ((NRObjectClass *) shape_parent_class)->finalize(object);
 139 }
 140
 141 static NRArenaItem *
 142 nr_arena_shape_children(NRArenaItem *item)
 143 {
 144     NRArenaShape *shape = (NRArenaShape *) item;
 145
 146     return shape->markers;
 147 }
 148
 149 static void
 150 nr_arena_shape_add_child(NRArenaItem *item, NRArenaItem *child, NRArenaItem *ref)
 151 {
 152     NRArenaShape *shape = (NRArenaShape *) item;
 153
 154     if (!ref) {
 155         shape->markers = nr_arena_item_attach(item, child, NULL, shape->markers);
 156     } else {
 157         ref->next = nr_arena_item_attach(item, child, ref, ref->next);
 158     }
 159
 160     nr_arena_item_request_update(item, NR_ARENA_ITEM_STATE_ALL, FALSE);
 161 }
 162
 163 static void
 164 nr_arena_shape_remove_child(NRArenaItem *item, NRArenaItem *child)
 165 {
 166     NRArenaShape *shape = (NRArenaShape *) item;
 167
 168     if (child->prev) {
 169         nr_arena_item_detach(item, child);
 170     } else {
 171         shape->markers = nr_arena_item_detach(item, child);
 172     }
 173
 174     nr_arena_item_request_update(item, NR_ARENA_ITEM_STATE_ALL, FALSE);
 175 }
 176
 177 static void
 178 nr_arena_shape_set_child_position(NRArenaItem *item, NRArenaItem *child, NRArenaItem *ref)
 179 {
 180     NRArenaShape *shape = (NRArenaShape *) item;
 181
 182     if (child->prev) {
 183         nr_arena_item_detach(item, child);
 184     } else {
 185         shape->markers = nr_arena_item_detach(item, child);
 186     }
 187
 188     if (!ref) {
 189         shape->markers = nr_arena_item_attach(item, child, NULL, shape->markers);
 190     } else {
 191         ref->next = nr_arena_item_attach(item, child, ref, ref->next);
 192     }
 193
 194     nr_arena_item_request_render(child);
 195 }
 196
 197 void nr_arena_shape_update_stroke(NRArenaShape *shape, NRGC* gc, NRRectL *area);
 198 void nr_arena_shape_update_fill(NRArenaShape *shape, NRGC *gc, NRRectL *area, bool force_shape = false);
 199 void nr_arena_shape_add_bboxes(NRArenaShape* shape,NRRect &bbox);
 200
 201 static guint
 202 nr_arena_shape_update(NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset)
 203 {
 204     NRRect bbox;
 205
 206     NRArenaShape *shape = NR_ARENA_SHAPE(item);
 207
 208     unsigned int beststate = NR_ARENA_ITEM_STATE_ALL;
 209
 210     unsigned int newstate;
 211     for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) {
 212         newstate = nr_arena_item_invoke_update(child, area, gc, state, reset);
 213         beststate = beststate & newstate;
 214     }
 215
 216     if (!(state & NR_ARENA_ITEM_STATE_RENDER)) {
 217         /* We do not have to create rendering structures */
 218         shape->ctm = gc->transform;
 219         if (state & NR_ARENA_ITEM_STATE_BBOX) {
 220             if (shape->curve) {
 221                 NRBPath bp;
 222                 /* fixme: */
 223                 bbox.x0 = bbox.y0 = NR_HUGE;
 224                 bbox.x1 = bbox.y1 = -NR_HUGE;
 225                 bp.path = SP_CURVE_BPATH(shape->curve);
 226                 nr_path_matrix_bbox_union(&bp, gc->transform, &bbox);
 227                 item->bbox.x0 = (gint32)(bbox.x0 - 1.0F);
 228                 item->bbox.y0 = (gint32)(bbox.y0 - 1.0F);
 229                 item->bbox.x1 = (gint32)(bbox.x1 + 1.9999F);
 230                 item->bbox.y1 = (gint32)(bbox.y1 + 1.9999F);
 231             }
 232             if (beststate & NR_ARENA_ITEM_STATE_BBOX) {
 233                 for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) {
 234                     nr_rect_l_union(&item->bbox, &item->bbox, &child->bbox);
 235                 }
 236             }
 237         }
 238         return (state | item->state);
 239     }
 240
 241     shape->delayed_shp=true;
 242     shape->ctm = gc->transform;
 243     bbox.x0 = bbox.y0 = NR_HUGE;
 244     bbox.x1 = bbox.y1 = -NR_HUGE;
 245
 246     bool outline = (NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE);
 247
 248     if (shape->curve) {
 249         NRBPath bp;
 250         /* fixme: */
 251         bbox.x0 = bbox.y0 = NR_HUGE;
 252         bbox.x1 = bbox.y1 = -NR_HUGE;
 253         bp.path = SP_CURVE_BPATH(shape->curve);
 254         nr_path_matrix_bbox_union(&bp, gc->transform, &bbox);
 255         if (shape->_stroke.paint.type() != NRArenaShape::Paint::NONE || outline) {
 256             float width, scale;
 257             scale = NR_MATRIX_DF_EXPANSION(&gc->transform);
 258             width = MAX(0.125, shape->_stroke.width * scale);
 259             if ( fabs(shape->_stroke.width * scale) > 0.01 ) { // sinon c'est 0=oon veut pas de bord
 260                 bbox.x0-=width;
 261                 bbox.x1+=width;
 262                 bbox.y0-=width;
 263                 bbox.y1+=width;
 264             }
 265             // those pesky miters, now
 266             float miterMax=width*shape->_stroke.mitre_limit;
 267             if ( miterMax > 0.01 ) {
 268                 // grunt mode. we should compute the various miters instead (one for each point on the curve)
 269                 bbox.x0-=miterMax;
 270                 bbox.x1+=miterMax;
 271                 bbox.y0-=miterMax;
 272                 bbox.y1+=miterMax;
 273             }
 274         }
 275     } else {
 276     }
 277     shape->approx_bbox.x0 = (gint32)(bbox.x0 - 1.0F);
 278     shape->approx_bbox.y0 = (gint32)(bbox.y0 - 1.0F);
 279     shape->approx_bbox.x1 = (gint32)(bbox.x1 + 1.9999F);
 280     shape->approx_bbox.y1 = (gint32)(bbox.y1 + 1.9999F);
 281     if ( area && nr_rect_l_test_intersect(area, &shape->approx_bbox) ) shape->delayed_shp=false;
 282
 283     /* Release state data */
 284     if (TRUE || !nr_matrix_test_transform_equal(&gc->transform, &shape->ctm, NR_EPSILON)) {
 285         /* Concept test */
 286         if (shape->fill_shp) {
 287             delete shape->fill_shp;
 288             shape->fill_shp = NULL;
 289         }
 290     }
 291     if (shape->stroke_shp) {
 292         delete shape->stroke_shp;
 293         shape->stroke_shp = NULL;
 294     }
 295     if (shape->fill_painter) {
 296         sp_painter_free(shape->fill_painter);
 297         shape->fill_painter = NULL;
 298     }
 299     if (shape->stroke_painter) {
 300         sp_painter_free(shape->stroke_painter);
 301         shape->stroke_painter = NULL;
 302     }
 303
 304     if (!shape->curve || !shape->style) return NR_ARENA_ITEM_STATE_ALL;
 305     if (sp_curve_is_empty(shape->curve)) return NR_ARENA_ITEM_STATE_ALL;
 306     if ( ( shape->_fill.paint.type() == NRArenaShape::Paint::NONE ) &&
 307          ( shape->_stroke.paint.type() == NRArenaShape::Paint::NONE && !outline) )
 308     {
 309         return NR_ARENA_ITEM_STATE_ALL;
 310     }
 311
 312     /* Build state data */
 313     if ( shape->delayed_shp ) {
 314         item->bbox=shape->approx_bbox;
 315     } else {
 316         nr_arena_shape_update_stroke(shape, gc, area);
 317         nr_arena_shape_update_fill(shape, gc, area);
 318
 319         bbox.x0 = bbox.y0 = bbox.x1 = bbox.y1 = 0.0;
 320         nr_arena_shape_add_bboxes(shape,bbox);
 321
 322         shape->approx_bbox.x0 = (gint32)(bbox.x0 - 1.0F);
 323         shape->approx_bbox.y0 = (gint32)(bbox.y0 - 1.0F);
 324         shape->approx_bbox.x1 = (gint32)(bbox.x1 + 1.9999F);
 325         shape->approx_bbox.y1 = (gint32)(bbox.y1 + 1.9999F);
 326     }
 327
 328     if (nr_rect_d_test_empty(&bbox)) return NR_ARENA_ITEM_STATE_ALL;
 329
 330     item->bbox.x0 = (gint32)(bbox.x0 - 1.0F);
 331     item->bbox.y0 = (gint32)(bbox.y0 - 1.0F);
 332     item->bbox.x1 = (gint32)(bbox.x1 + 1.0F);
 333     item->bbox.y1 = (gint32)(bbox.y1 + 1.0F);
 334     nr_arena_request_render_rect(item->arena, &item->bbox);
 335
 336     item->render_opacity = TRUE;
 337     if ( shape->_fill.paint.type() == NRArenaShape::Paint::SERVER ) {
 338         if (gc && gc->parent) {
 339             shape->fill_painter = sp_paint_server_painter_new(shape->_fill.paint.server(),
 340                                                               NR::Matrix(&gc->transform), NR::Matrix(&gc->parent->transform),
 341                                                               &shape->paintbox);
 342         }
 343         item->render_opacity = FALSE;
 344     }
 345     if ( shape->_stroke.paint.type() == NRArenaShape::Paint::SERVER ) {
 346         if (gc && gc->parent) {
 347             shape->stroke_painter = sp_paint_server_painter_new(shape->_stroke.paint.server(),
 348                                                                 NR::Matrix(&gc->transform), NR::Matrix(&gc->parent->transform),
 349                                                                 &shape->paintbox);
 350         }
 351         item->render_opacity = FALSE;
 352     }
 353     if ( item->render_opacity == TRUE
 354          && shape->_fill.paint.type()   != NRArenaShape::Paint::NONE
 355          && shape->_stroke.paint.type() != NRArenaShape::Paint::NONE )
 356     {
 357         // don't merge item opacity with paint opacity if there is a stroke on the fill
 358         item->render_opacity = FALSE;
 359     }
 360
 361     if (beststate & NR_ARENA_ITEM_STATE_BBOX) {
 362         for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) {
 363             nr_rect_l_union(&item->bbox, &item->bbox, &child->bbox);
 364         }
 365     }
 366
 367     return NR_ARENA_ITEM_STATE_ALL;
 368 }
 369
 370 int matrix_is_isometry(NR::Matrix p) {
 371     NR::Matrix   tp;
 372     // transposition
 373     tp[0]=p[0];
 374     tp[1]=p[2];
 375     tp[2]=p[1];
 376     tp[3]=p[3];
 377     for (int i = 4; i < 6; i++) // shut valgrind up :)
 378         tp[i] = p[i] = 0;
 379     NR::Matrix   isom = tp*p; // A^T * A = adjunct?
 380     // Is the adjunct nearly an identity function?
 381     if (isom.is_translation(0.01)) {
 382         // the transformation is an isometry -> no need to recompute
 383         // the uncrossed polygon
 384         if ( p.det() < 0 )
 385             return -1;
 386         else
 387             return 1;
 388     }
 389     return 0;
 390 }
 391
 392 static bool is_inner_area(NRRectL const &outer, NRRectL const &inner) {
 393     return (outer.x0 <= inner.x0 && outer.y0 <= inner.y0 && outer.x1 >= inner.x1 && outer.y1 >= inner.y1);
 394 }
 395
 396 /** force_shape is used for clipping paths, when we need the shape for clipping even if it's not filled */
 397 void
 398 nr_arena_shape_update_fill(NRArenaShape *shape, NRGC *gc, NRRectL *area, bool force_shape)
 399 {
 400     if ((shape->_fill.paint.type() != NRArenaShape::Paint::NONE || force_shape) &&
 401         ((shape->curve->end > 2) || (SP_CURVE_BPATH(shape->curve)[1].code == NR_CURVETO)) ) {
 402         if (TRUE || !shape->fill_shp) {
 403             NR::Matrix  cached_to_new = NR::identity();
 404             int isometry = 0;
 405             if ( shape->cached_fill ) {
 406                 if (shape->cached_fctm == gc->transform) {
 407                     isometry = 2; // identity
 408                 } else {
 409                     cached_to_new = shape->cached_fctm.inverse() * gc->transform;
 410                     isometry = matrix_is_isometry(cached_to_new);
 411                 }
 412                 if (0 != isometry && !is_inner_area(shape->cached_farea, *area))
 413                     isometry = 0;
 414             }
 415             if ( isometry == 0 ) {
 416                 if ( shape->cached_fill == NULL ) shape->cached_fill=new Shape;
 417                 shape->cached_fill->Reset();
 418
 419                 Path*  thePath=new Path;
 420                 Shape* theShape=new Shape;
 421                 {
 422                     NR::Matrix   tempMat(gc->transform);
 423                     thePath->LoadArtBPath(SP_CURVE_BPATH(shape->curve),tempMat,true);
 424                 }
 425
 426                 if (is_inner_area(*area, NR_ARENA_ITEM(shape)->bbox)) {
 427                     thePath->Convert(1.0);
 428                     shape->cached_fpartialy = false;
 429                 } else {
 430                     thePath->Convert(area, 1.0);
 431                     shape->cached_fpartialy = true;
 432                 }
 433
 434                 thePath->Fill(theShape, 0);
 435
 436                 if ( shape->_fill.rule == NRArenaShape::EVEN_ODD ) {
 437                     shape->cached_fill->ConvertToShape(theShape, fill_oddEven);
 438                     // alternatively, this speeds up rendering of oddeven shapes but disables AA :(
 439                     //shape->cached_fill->Copy(theShape);
 440                 } else {
 441                     shape->cached_fill->ConvertToShape(theShape, fill_nonZero);
 442                 }
 443                 shape->cached_fctm=gc->transform;
 444                 shape->cached_farea = *area;
 445                 delete theShape;
 446                 delete thePath;
 447                 if ( shape->fill_shp == NULL )
 448                     shape->fill_shp = new Shape;
 449
 450                 shape->fill_shp->Copy(shape->cached_fill);
 451
 452             } else if ( 2 == isometry ) {
 453                 if ( shape->fill_shp == NULL ) {
 454                     shape->fill_shp = new Shape;
 455                     shape->fill_shp->Copy(shape->cached_fill);
 456                 }
 457             } else {
 458
 459                 if ( shape->fill_shp == NULL )
 460                     shape->fill_shp = new Shape;
 461
 462                 shape->fill_shp->Reset(shape->cached_fill->numberOfPoints(),
 463                                        shape->cached_fill->numberOfEdges());
 464                 for (int i = 0; i < shape->cached_fill->numberOfPoints(); i++)
 465                     shape->fill_shp->AddPoint(shape->cached_fill->getPoint(i).x * cached_to_new);
 466                 if ( isometry == 1 ) {
 467                     for (int i = 0; i < shape->cached_fill->numberOfEdges(); i++)
 468                         shape->fill_shp->AddEdge(shape->cached_fill->getEdge(i).st,
 469                                                  shape->cached_fill->getEdge(i).en);
 470                 } else if ( isometry == -1 ) { // need to flip poly.
 471                     for (int i = 0; i < shape->cached_fill->numberOfEdges(); i++)
 472                         shape->fill_shp->AddEdge(shape->cached_fill->getEdge(i).en,
 473                                                  shape->cached_fill->getEdge(i).st);
 474                 }
 475                 shape->fill_shp->ForceToPolygon();
 476                 shape->fill_shp->needPointsSorting();
 477                 shape->fill_shp->needEdgesSorting();
 478             }
 479             shape->delayed_shp |= shape->cached_fpartialy;
 480         }
 481     }
 482 }
 483
 484 void
 485 nr_arena_shape_update_stroke(NRArenaShape *shape,NRGC* gc, NRRectL *area)
 486 {
 487     SPStyle* style = shape->style;
 488
 489     float const scale = NR_MATRIX_DF_EXPANSION(&gc->transform);
 490
 491     bool outline = (NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE);
 492
 493     if (outline ||
 494         ((shape->_stroke.paint.type() != NRArenaShape::Paint::NONE) &&
 495          ( fabs(shape->_stroke.width * scale) > 0.01 ))) { // sinon c'est 0=oon veut pas de bord
 496
 497         float width = MAX(0.125, shape->_stroke.width * scale);
 498         if (outline)
 499             width = 0.5; // 1 pixel wide, independent of zoom
 500
 501         NR::Matrix  cached_to_new = NR::identity();
 502
 503         int isometry = 0;
 504         if ( shape->cached_stroke ) {
 505             if (shape->cached_sctm == gc->transform) {
 506                 isometry = 2; // identity
 507             } else {
 508                 cached_to_new = shape->cached_sctm.inverse() * gc->transform;
 509                 isometry = matrix_is_isometry(cached_to_new);
 510             }
 511             if (0 != isometry && !is_inner_area(shape->cached_sarea, *area))
 512                 isometry = 0;
 513         }
 514
 515         if ( isometry == 0 ) {
 516             if ( shape->cached_stroke == NULL ) shape->cached_stroke=new Shape;
 517             shape->cached_stroke->Reset();
 518             Path*  thePath = new Path;
 519             Shape* theShape = new Shape;
 520             {
 521                 NR::Matrix   tempMat(gc->transform);
 522                 thePath->LoadArtBPath(SP_CURVE_BPATH(shape->curve), tempMat, true);
 523             }
 524
 525             // add some padding to the rendering area, so clipped path does not go into a render area
 526             NRRectL padded_area = *area;
 527             padded_area.x0 -= (NR::ICoord)width;
 528             padded_area.x1 += (NR::ICoord)width;
 529             padded_area.y0 -= (NR::ICoord)width;
 530             padded_area.y1 += (NR::ICoord)width;
 531             if ((style->stroke_dash.n_dash && !outline) || is_inner_area(padded_area, NR_ARENA_ITEM(shape)->bbox)) {
 532                 thePath->Convert((outline) ? 4.0 : 1.0);
 533                 shape->cached_spartialy = false;
 534             }
 535             else {
 536                 thePath->Convert(&padded_area, (outline) ? 4.0 : 1.0);
 537                 shape->cached_spartialy = true;
 538             }
 539
 540             if (style->stroke_dash.n_dash && !outline) {
 541                 thePath->DashPolylineFromStyle(style, scale, 1.0);
 542             }
 543
 544             ButtType butt=butt_straight;
 545             switch (shape->_stroke.cap) {
 546                 case NRArenaShape::BUTT_CAP:
 547                     butt = butt_straight;
 548                     break;
 549                 case NRArenaShape::ROUND_CAP:
 550                     butt = butt_round;
 551                     break;
 552                 case NRArenaShape::SQUARE_CAP:
 553                     butt = butt_square;
 554                     break;
 555             }
 556             JoinType join=join_straight;
 557             switch (shape->_stroke.join) {
 558                 case NRArenaShape::MITRE_JOIN:
 559                     join = join_pointy;
 560                     break;
 561                 case NRArenaShape::ROUND_JOIN:
 562                     join = join_round;
 563                     break;
 564                 case NRArenaShape::BEVEL_JOIN:
 565                     join = join_straight;
 566                     break;
 567             }
 568
 569             if (outline) {
 570                 butt = butt_straight;
 571                 join = join_straight;
 572             }
 573
 574             thePath->Stroke(theShape, false, 0.5*width, join, butt,
 575                             0.5*width*shape->_stroke.mitre_limit);
 576
 577
 578             if (outline) {
 579                 // speeds it up, but uses evenodd for the stroke shape (which does not matter for 1-pixel wide outline)
 580                 shape->cached_stroke->Copy(theShape);
 581             } else {
 582                 shape->cached_stroke->ConvertToShape(theShape, fill_nonZero);
 583             }
 584
 585             shape->cached_sctm=gc->transform;
 586             shape->cached_sarea = *area;
 587             delete thePath;
 588             delete theShape;
 589             if ( shape->stroke_shp == NULL ) shape->stroke_shp=new Shape;
 590
 591             shape->stroke_shp->Copy(shape->cached_stroke);
 592
 593         } else if ( 2 == isometry ) {
 594             if ( shape->stroke_shp == NULL ) {
 595                 shape->stroke_shp=new Shape;
 596                 shape->stroke_shp->Copy(shape->cached_stroke);
 597             }
 598         } else {
 599             if ( shape->stroke_shp == NULL )
 600                 shape->stroke_shp=new Shape;
 601             shape->stroke_shp->Reset(shape->cached_stroke->numberOfPoints(), shape->cached_stroke->numberOfEdges());
 602             for (int i = 0; i < shape->cached_stroke->numberOfPoints(); i++)
 603                 shape->stroke_shp->AddPoint(shape->cached_stroke->getPoint(i).x * cached_to_new);
 604             if ( isometry == 1 ) {
 605                 for (int i = 0; i < shape->cached_stroke->numberOfEdges(); i++)
 606                     shape->stroke_shp->AddEdge(shape->cached_stroke->getEdge(i).st,
 607                                                shape->cached_stroke->getEdge(i).en);
 608             } else if ( isometry == -1 ) {
 609                 for (int i = 0; i < shape->cached_stroke->numberOfEdges(); i++)
 610                     shape->stroke_shp->AddEdge(shape->cached_stroke->getEdge(i).en,
 611                                                shape->cached_stroke->getEdge(i).st);
 612             }
 613             shape->stroke_shp->ForceToPolygon();
 614             shape->stroke_shp->needPointsSorting();
 615             shape->stroke_shp->needEdgesSorting();
 616         }
 617         shape->delayed_shp |= shape->cached_spartialy;
 618     }
 619 }
 620
 621
 622 void
 623 nr_arena_shape_add_bboxes(NRArenaShape* shape, NRRect &bbox)
 624 {
 625     if ( shape->stroke_shp ) {
 626         shape->stroke_shp->CalcBBox();
 627         shape->stroke_shp->leftX=floor(shape->stroke_shp->leftX);
 628         shape->stroke_shp->rightX=ceil(shape->stroke_shp->rightX);
 629         shape->stroke_shp->topY=floor(shape->stroke_shp->topY);
 630         shape->stroke_shp->bottomY=ceil(shape->stroke_shp->bottomY);
 631         if ( bbox.x0 >= bbox.x1 ) {
 632             if ( shape->stroke_shp->leftX < shape->stroke_shp->rightX ) {
 633                 bbox.x0=shape->stroke_shp->leftX;
 634                 bbox.x1=shape->stroke_shp->rightX;
 635             }
 636         } else {
 637             if ( shape->stroke_shp->leftX < bbox.x0 )
 638                 bbox.x0=shape->stroke_shp->leftX;
 639             if ( shape->stroke_shp->rightX > bbox.x1 )
 640                 bbox.x1=shape->stroke_shp->rightX;
 641         }
 642         if ( bbox.y0 >= bbox.y1 ) {
 643             if ( shape->stroke_shp->topY < shape->stroke_shp->bottomY ) {
 644                 bbox.y0=shape->stroke_shp->topY;
 645                 bbox.y1=shape->stroke_shp->bottomY;
 646             }
 647         } else {
 648             if ( shape->stroke_shp->topY < bbox.y0 )
 649                 bbox.y0=shape->stroke_shp->topY;
 650             if ( shape->stroke_shp->bottomY > bbox.y1 )
 651                 bbox.y1=shape->stroke_shp->bottomY;
 652         }
 653     }
 654     if ( shape->fill_shp ) {
 655         shape->fill_shp->CalcBBox();
 656         shape->fill_shp->leftX=floor(shape->fill_shp->leftX);
 657         shape->fill_shp->rightX=ceil(shape->fill_shp->rightX);
 658         shape->fill_shp->topY=floor(shape->fill_shp->topY);
 659         shape->fill_shp->bottomY=ceil(shape->fill_shp->bottomY);
 660         if ( bbox.x0 >= bbox.x1 ) {
 661             if ( shape->fill_shp->leftX < shape->fill_shp->rightX ) {
 662                 bbox.x0=shape->fill_shp->leftX;
 663                 bbox.x1=shape->fill_shp->rightX;
 664             }
 665         } else {
 666             if ( shape->fill_shp->leftX < bbox.x0 ) bbox.x0=shape->fill_shp->leftX;
 667             if ( shape->fill_shp->rightX > bbox.x1 ) bbox.x1=shape->fill_shp->rightX;
 668         }
 669         if ( bbox.y0 >= bbox.y1 ) {
 670             if ( shape->fill_shp->topY < shape->fill_shp->bottomY ) {
 671                 bbox.y0=shape->fill_shp->topY;
 672                 bbox.y1=shape->fill_shp->bottomY;
 673             }
 674         } else {
 675             if ( shape->fill_shp->topY < bbox.y0 ) bbox.y0=shape->fill_shp->topY;
 676             if ( shape->fill_shp->bottomY > bbox.y1 ) bbox.y1=shape->fill_shp->bottomY;
 677         }
 678     }
 679 }
 680 static unsigned int
 681 nr_arena_shape_render(NRArenaItem *item, NRRectL *area, NRPixBlock *pb, unsigned int flags)
 682 {
 683     NRArenaShape *shape = NR_ARENA_SHAPE(item);
 684
 685     if (!shape->curve) return item->state;
 686     if (!shape->style) return item->state;
 687
 688     if ( shape->delayed_shp ) {
 689         if ( nr_rect_l_test_intersect(area, &item->bbox) ) {
 690             NRGC   tempGC(NULL);
 691             tempGC.transform=shape->ctm;
 692             shape->delayed_shp = false;
 693             nr_arena_shape_update_stroke(shape,&tempGC,&pb->visible_area);
 694             nr_arena_shape_update_fill(shape,&tempGC,&pb->visible_area);
 695 /*      NRRect bbox;
 696         bbox.x0 = bbox.y0 = bbox.x1 = bbox.y1 = 0.0;
 697         nr_arena_shape_add_bboxes(shape,bbox);
 698         item->bbox.x0 = (gint32)(bbox.x0 - 1.0F);
 699         item->bbox.y0 = (gint32)(bbox.y0 - 1.0F);
 700         item->bbox.x1 = (gint32)(bbox.x1 + 1.0F);
 701         item->bbox.y1 = (gint32)(bbox.y1 + 1.0F);
 702         shape->approx_bbox=item->bbox;*/
 703         } else {
 704             return item->state;
 705         }
 706     }
 707
 708     bool outline = (NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE);
 709
 710     SPStyle const *style = shape->style;
 711     if ( shape->fill_shp && !outline) {
 712         NRPixBlock m;
 713         guint32 rgba;
 714
 715         nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
 716
 717         // if memory allocation failed, abort render
 718         if (m.data.px == NULL) {
 719             nr_pixblock_release (&m);
 720             return (item->state);
 721         }
 722
 723         m.visible_area = pb->visible_area;
 724         nr_pixblock_render_shape_mask_or(m,shape->fill_shp);
 725         m.empty = FALSE;
 726
 727         if (shape->_fill.paint.type() == NRArenaShape::Paint::NONE) {
 728             // do not render fill in any way
 729         } else if (shape->_fill.paint.type() == NRArenaShape::Paint::COLOR) {
 730             if ( item->render_opacity ) {
 731                 rgba = sp_color_get_rgba32_falpha(&shape->_fill.paint.color(),
 732                                                   shape->_fill.opacity *
 733                                                   SP_SCALE24_TO_FLOAT(style->opacity.value));
 734             } else {
 735                 rgba = sp_color_get_rgba32_falpha(&shape->_fill.paint.color(),
 736                                                   shape->_fill.opacity);
 737             }
 738             nr_blit_pixblock_mask_rgba32(pb, &m, rgba);
 739             pb->empty = FALSE;
 740         } else if (shape->_fill.paint.type() == NRArenaShape::Paint::SERVER) {
 741             if (shape->fill_painter) {
 742                 nr_arena_render_paintserver_fill(pb, area, shape->fill_painter, shape->_fill.opacity, &m);
 743             }
 744         }
 745
 746         nr_pixblock_release(&m);
 747     }
 748
 749     if ( shape->stroke_shp ) {
 750         NRPixBlock m;
 751         guint32 rgba;
 752
 753         nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
 754
 755         // if memory allocation failed, abort render
 756         if (m.data.px == NULL) {
 757             nr_pixblock_release (&m);
 758             return (item->state);
 759         }
 760
 761         m.visible_area = pb->visible_area;
 762         nr_pixblock_render_shape_mask_or(m, shape->stroke_shp);
 763         m.empty = FALSE;
 764
 765         if (shape->_stroke.paint.type() == NRArenaShape::Paint::COLOR || outline) {
 766             if (outline) {
 767                 rgba = NR_ARENA_ITEM(shape)->arena->outlinecolor;
 768             } else if ( item->render_opacity ) {
 769                 rgba = sp_color_get_rgba32_falpha(&shape->_stroke.paint.color(),
 770                                                   shape->_stroke.opacity *
 771                                                   SP_SCALE24_TO_FLOAT(style->opacity.value));
 772             } else {
 773                 rgba = sp_color_get_rgba32_falpha(&shape->_stroke.paint.color(),
 774                                                   shape->_stroke.opacity);
 775             }
 776             nr_blit_pixblock_mask_rgba32(pb, &m, rgba);
 777             pb->empty = FALSE;
 778         } else if (shape->_stroke.paint.type() == NRArenaShape::Paint::SERVER) {
 779             if (shape->stroke_painter) {
 780                 nr_arena_render_paintserver_fill(pb, area, shape->stroke_painter, shape->_stroke.opacity, &m);
 781             }
 782         }
 783
 784         nr_pixblock_release(&m);
 785     }
 786
 787     /* Just compose children into parent buffer */
 788     for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) {
 789         unsigned int ret;
 790         ret = nr_arena_item_invoke_render(child, area, pb, flags);
 791         if (ret & NR_ARENA_ITEM_STATE_INVALID) return ret;
 792     }
 793
 794     return item->state;
 795 }
 796
 797 static guint
 798 nr_arena_shape_clip(NRArenaItem *item, NRRectL *area, NRPixBlock *pb)
 799 {
 800     NRArenaShape *shape = NR_ARENA_SHAPE(item);
 801     if (!shape->curve) return item->state;
 802
 803     if ( shape->delayed_shp || shape->fill_shp == NULL) { // we need a fill shape no matter what
 804         if ( nr_rect_l_test_intersect(area, &item->bbox) ) {
 805             NRGC   tempGC(NULL);
 806             tempGC.transform=shape->ctm;
 807             shape->delayed_shp = false;
 808             nr_arena_shape_update_fill(shape, &tempGC, &pb->visible_area, true);
 809         } else {
 810             return item->state;
 811         }
 812     }
 813
 814     if ( shape->fill_shp ) {
 815         NRPixBlock m;
 816
 817         /* fixme: We can OR in one step (Lauris) */
 818         nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
 819
 820         // if memory allocation failed, abort
 821         if (m.data.px == NULL) {
 822             nr_pixblock_release (&m);
 823             return (item->state);
 824         }
 825
 826         m.visible_area = pb->visible_area;
 827         nr_pixblock_render_shape_mask_or(m,shape->fill_shp);
 828
 829         for (int y = area->y0; y < area->y1; y++) {
 830             unsigned char *s, *d;
 831             s = NR_PIXBLOCK_PX(&m) + (y - area->y0) * m.rs;
 832             d = NR_PIXBLOCK_PX(pb) + (y - area->y0) * pb->rs;
 833             for (int x = area->x0; x < area->x1; x++) {
 834                 *d = NR_COMPOSEA_111(*s, *d);
 835                 d ++;
 836                 s ++;
 837             }
 838         }
 839         nr_pixblock_release(&m);
 840         pb->empty = FALSE;
 841     }
 842
 843     return item->state;
 844 }
 845
 846 static NRArenaItem *
 847 nr_arena_shape_pick(NRArenaItem *item, NR::Point p, double delta, unsigned int /*sticky*/)
 848 {
 849     NRArenaShape *shape = NR_ARENA_SHAPE(item);
 850
 851     if (!shape->curve) return NULL;
 852     if (!shape->style) return NULL;
 853     if ( shape->delayed_shp ) {
 854         NRRectL  area, updateArea;
 855         area.x0=(int)floor(p[NR::X]);
 856         area.x1=(int)ceil(p[NR::X]);
 857         area.y0=(int)floor(p[NR::Y]);
 858         area.y1=(int)ceil(p[NR::Y]);
 859         int idelta = (int)ceil(delta) + 1;
 860         // njh: inset rect
 861         area.x0-=idelta;
 862         area.x1+=idelta;
 863         area.y0-=idelta;
 864         area.y1+=idelta;
 865         if ( nr_rect_l_test_intersect(&area, &item->bbox) ) {
 866             NRGC   tempGC(NULL);
 867             tempGC.transform=shape->ctm;
 868             updateArea = item->bbox;
 869             if (shape->cached_stroke)
 870                 nr_rect_l_intersect (&updateArea, &updateArea, &shape->cached_sarea);
 871
 872             shape->delayed_shp = false;
 873             nr_arena_shape_update_stroke(shape, &tempGC, &updateArea);
 874             nr_arena_shape_update_fill(shape, &tempGC, &updateArea);
 875             /*      NRRect bbox;
 876                     bbox.x0 = bbox.y0 = bbox.x1 = bbox.y1 = 0.0;
 877                     nr_arena_shape_add_bboxes(shape,bbox);
 878                     item->bbox.x0 = (gint32)(bbox.x0 - 1.0F);
 879                     item->bbox.y0 = (gint32)(bbox.y0 - 1.0F);
 880                     item->bbox.x1 = (gint32)(bbox.x1 + 1.0F);
 881                     item->bbox.y1 = (gint32)(bbox.y1 + 1.0F);
 882                     shape->approx_bbox=item->bbox;*/
 883         }
 884     }
 885
 886     bool outline = (NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE);
 887
 888     if (item->state & NR_ARENA_ITEM_STATE_RENDER) {
 889         if (shape->fill_shp && (shape->_fill.paint.type() != NRArenaShape::Paint::NONE)) {
 890             if (shape->fill_shp->PtWinding(p) > 0 ) return item;
 891         }
 892         if (shape->stroke_shp && (shape->_stroke.paint.type() != NRArenaShape::Paint::NONE || outline)) {
 893             if (shape->stroke_shp->PtWinding(p) > 0 ) return item;
 894         }
 895         if (delta > 1e-3) {
 896             if (shape->fill_shp && (shape->_fill.paint.type() != NRArenaShape::Paint::NONE)) {
 897                 if (distanceLessThanOrEqual(shape->fill_shp, p, delta)) return item;
 898             }
 899             if (shape->stroke_shp && (shape->_stroke.paint.type() != NRArenaShape::Paint::NONE || outline)) {
 900                 if (distanceLessThanOrEqual(shape->stroke_shp, p, delta)) return item;
 901             }
 902         }
 903     } else {
 904         NRBPath bp;
 905         bp.path = SP_CURVE_BPATH(shape->curve);
 906         double dist = NR_HUGE;
 907         int wind = 0;
 908         nr_path_matrix_point_bbox_wind_distance(&bp, shape->ctm, p, NULL, &wind, &dist, NR_EPSILON);
 909         if (shape->_fill.paint.type() != NRArenaShape::Paint::NONE) {
 910             if (!shape->style->fill_rule.computed) {
 911                 if (wind != 0) return item;
 912             } else {
 913                 if (wind & 0x1) return item;
 914             }
 915         }
 916         if (shape->_stroke.paint.type() != NRArenaShape::Paint::NONE || outline) {
 917             /* fixme: We do not take stroke width into account here (Lauris) */
 918             if (dist < delta) return item;
 919         }
 920     }
 921
 922     return NULL;
 923 }
 924
 925 /**
 926  *
 927  *  Requests a render of the shape, then if the shape is already a curve it
 928  *  unrefs the old curve; if the new curve is valid it creates a copy of the
 929  *  curve and adds it to the shape.  Finally, it requests an update of the
 930  *  arena for the shape.
 931  */
 932 void nr_arena_shape_set_path(NRArenaShape *shape, SPCurve *curve,bool justTrans)
 933 {
 934     g_return_if_fail(shape != NULL);
 935     g_return_if_fail(NR_IS_ARENA_SHAPE(shape));
 936
 937     if ( justTrans == false ) {
 938         // dirty cached versions
 939         if ( shape->cached_fill ) {
 940             delete shape->cached_fill;
 941             shape->cached_fill=NULL;
 942         }
 943         if ( shape->cached_stroke ) {
 944             delete shape->cached_stroke;
 945             shape->cached_stroke=NULL;
 946         }
 947     }
 948
 949     nr_arena_item_request_render(NR_ARENA_ITEM(shape));
 950
 951     if (shape->curve) {
 952         sp_curve_unref(shape->curve);
 953         shape->curve = NULL;
 954     }
 955
 956     if (curve) {
 957         shape->curve = curve;
 958         sp_curve_ref(curve);
 959     }
 960
 961     nr_arena_item_request_update(NR_ARENA_ITEM(shape), NR_ARENA_ITEM_STATE_ALL, FALSE);
 962 }
 963
 964 void NRArenaShape::setFill(SPPaintServer *server) {
 965     _fill.paint.set(server);
 966     _invalidateCachedFill();
 967 }
 968
 969 void NRArenaShape::setFill(SPColor const &color) {
 970     _fill.paint.set(color);
 971     _invalidateCachedFill();
 972 }
 973
 974 void NRArenaShape::setFillOpacity(double opacity) {
 975     _fill.opacity = opacity;
 976     _invalidateCachedFill();
 977 }
 978
 979 void NRArenaShape::setFillRule(NRArenaShape::FillRule rule) {
 980     _fill.rule = rule;
 981     _invalidateCachedFill();
 982 }
 983
 984 void NRArenaShape::setStroke(SPPaintServer *server) {
 985     _stroke.paint.set(server);
 986     _invalidateCachedStroke();
 987 }
 988
 989 void NRArenaShape::setStroke(SPColor const &color) {
 990     _stroke.paint.set(color);
 991     _invalidateCachedStroke();
 992 }
 993
 994 void NRArenaShape::setStrokeOpacity(double opacity) {
 995     _stroke.opacity = opacity;
 996     _invalidateCachedStroke();
 997 }
 998
 999 void NRArenaShape::setStrokeWidth(double width) {
1000     _stroke.width = width;
1001     _invalidateCachedStroke();
1002 }
1003
1004 void NRArenaShape::setMitreLimit(double limit) {
1005     _stroke.mitre_limit = limit;
1006     _invalidateCachedStroke();
1007 }
1008
1009 void NRArenaShape::setLineCap(NRArenaShape::CapType cap) {
1010     _stroke.cap = cap;
1011     _invalidateCachedStroke();
1012 }
1013
1014 void NRArenaShape::setLineJoin(NRArenaShape::JoinType join) {
1015     _stroke.join = join;
1016     _invalidateCachedStroke();
1017 }
1018
1019 /** nr_arena_shape_set_style
1020  *
1021  * Unrefs any existing style and ref's to the given one, then requests an update of the arena
1022  */
1023 void
1024 nr_arena_shape_set_style(NRArenaShape *shape, SPStyle *style)
1025 {
1026     g_return_if_fail(shape != NULL);
1027     g_return_if_fail(NR_IS_ARENA_SHAPE(shape));
1028
1029     if (style) sp_style_ref(style);
1030     if (shape->style) sp_style_unref(shape->style);
1031     shape->style = style;
1032
1033     switch (style->fill.type) {
1034         case SP_PAINT_TYPE_NONE: {
1035             shape->setFill(NULL);
1036             break;
1037         }
1038         case SP_PAINT_TYPE_COLOR: {
1039             shape->setFill(style->fill.value.color);
1040             break;
1041         }
1042         case SP_PAINT_TYPE_PAINTSERVER: {
1043             shape->setFill(style->fill.value.paint.server);
1044             break;
1045         }
1046         default: {
1047             g_assert_not_reached();
1048         }
1049     }
1050     shape->setFillOpacity(SP_SCALE24_TO_FLOAT(style->fill_opacity.value));
1051     switch (style->fill_rule.computed) {
1052         case SP_WIND_RULE_EVENODD: {
1053             shape->setFillRule(NRArenaShape::EVEN_ODD);
1054             break;
1055         }
1056         case SP_WIND_RULE_NONZERO: {
1057             shape->setFillRule(NRArenaShape::NONZERO);
1058             break;
1059         }
1060         default: {
1061             g_assert_not_reached();
1062         }
1063     }
1064
1065     switch (style->stroke.type) {
1066         case SP_PAINT_TYPE_NONE: {
1067             shape->setStroke(NULL);
1068             break;
1069         }
1070         case SP_PAINT_TYPE_COLOR: {
1071             shape->setStroke(style->stroke.value.color);
1072             break;
1073         }
1074         case SP_PAINT_TYPE_PAINTSERVER: {
1075             shape->setStroke(style->stroke.value.paint.server);
1076             break;
1077         }
1078         default: {
1079             g_assert_not_reached();
1080         }
1081     }
1082     shape->setStrokeWidth(style->stroke_width.computed);
1083     shape->setStrokeOpacity(SP_SCALE24_TO_FLOAT(style->stroke_opacity.value));
1084     switch (style->stroke_linecap.computed) {
1085         case SP_STROKE_LINECAP_ROUND: {
1086             shape->setLineCap(NRArenaShape::ROUND_CAP);
1087             break;
1088         }
1089         case SP_STROKE_LINECAP_SQUARE: {
1090             shape->setLineCap(NRArenaShape::SQUARE_CAP);
1091             break;
1092         }
1093         case SP_STROKE_LINECAP_BUTT: {
1094             shape->setLineCap(NRArenaShape::BUTT_CAP);
1095             break;
1096         }
1097         default: {
1098             g_assert_not_reached();
1099         }
1100     }
1101     switch (style->stroke_linejoin.computed) {
1102         case SP_STROKE_LINEJOIN_ROUND: {
1103             shape->setLineJoin(NRArenaShape::ROUND_JOIN);
1104             break;
1105         }
1106         case SP_STROKE_LINEJOIN_BEVEL: {
1107             shape->setLineJoin(NRArenaShape::BEVEL_JOIN);
1108             break;
1109         }
1110         case SP_STROKE_LINEJOIN_MITER: {
1111             shape->setLineJoin(NRArenaShape::MITRE_JOIN);
1112             break;
1113         }
1114         default: {
1115             g_assert_not_reached();
1116         }
1117     }
1118     shape->setMitreLimit(style->stroke_miterlimit.value);
1119
1120     //if shape has a filter
1121     if (style->filter.set && style->filter.filter)
1122     {
1123         shape->filter = new NR::Filter();
1124         shape->filter->set_x(style->filter.filter->x);
1125         shape->filter->set_y(style->filter.filter->y);
1126         shape->filter->set_width(style->filter.filter->width);
1127         shape->filter->set_height(style->filter.filter->height);
1128
1129         //go through all SP filter primitives
1130         for(int i=0; i<style->filter.filter->_primitive_count; i++)
1131         {
1132             SPFilterPrimitive *primitive = style->filter.filter->_primitives[i];
1133             //if primitive is gaussianblur
1134 //            if(SP_IS_GAUSSIANBLUR(primitive))
1135             {
1136                 NR::FilterGaussian * gaussian = (NR::FilterGaussian *) shape->filter->add_primitive(NR::NR_FILTER_GAUSSIANBLUR);
1137                 SPGaussianBlur * spblur = SP_GAUSSIANBLUR(primitive);
1138                 float num = spblur->stdDeviation.getNumber();
1139                 if( num>=0.0 )
1140                 {
1141                     float optnum = spblur->stdDeviation.getOptNumber();
1142                     if( optnum>=0.0 )
1143                         gaussian->set_deviation((double) num, (double) optnum);
1144                     else
1145                         gaussian->set_deviation((double) num);
1146                 }
1147             }
1148         }
1149     }
1150     else
1151     {
1152         //no filter set for this shape
1153         shape->filter = NULL;
1154     }
1155
1156     nr_arena_item_request_update(shape, NR_ARENA_ITEM_STATE_ALL, FALSE);
1157 }
1158
1159 void
1160 nr_arena_shape_set_paintbox(NRArenaShape *shape, NRRect const *pbox)
1161 {
1162     g_return_if_fail(shape != NULL);
1163     g_return_if_fail(NR_IS_ARENA_SHAPE(shape));
1164     g_return_if_fail(pbox != NULL);
1165
1166     if ((pbox->x0 < pbox->x1) && (pbox->y0 < pbox->y1)) {
1167         shape->paintbox = *pbox;
1168     } else {
1169         /* fixme: We kill warning, although not sure what to do here (Lauris) */
1170         shape->paintbox.x0 = shape->paintbox.y0 = 0.0F;
1171         shape->paintbox.x1 = shape->paintbox.y1 = 256.0F;
1172     }
1173
1174     nr_arena_item_request_update(shape, NR_ARENA_ITEM_STATE_ALL, FALSE);
1175 }
1176
1177 void NRArenaShape::setPaintBox(NR::Rect const &pbox)
1178 {
1179     paintbox.x0 = pbox.min()[NR::X];
1180     paintbox.y0 = pbox.min()[NR::Y];
1181     paintbox.x1 = pbox.max()[NR::X];
1182     paintbox.y1 = pbox.max()[NR::Y];
1183
1184     nr_arena_item_request_update(this, NR_ARENA_ITEM_STATE_ALL, FALSE);
1185 }
1186
1187 static void
1188 shape_run_A8_OR(raster_info &dest,void */*data*/,int st,float vst,int en,float ven)
1189 {
1190     if ( st >= en ) return;
1191     if ( vst < 0 ) vst=0;
1192     if ( vst > 1 ) vst=1;
1193     if ( ven < 0 ) ven=0;
1194     if ( ven > 1 ) ven=1;
1195     float   sv=vst;
1196     float   dv=ven-vst;
1197     int     len=en-st;
1198     unsigned char*   d=(unsigned char*)dest.buffer;
1199     d+=(st-dest.startPix);
1200     if ( fabs(dv) < 0.001 ) {
1201         if ( vst > 0.999 ) {
1202             /* Simple copy */
1203             while (len > 0) {
1204                 d[0] = 255;
1205                 d += 1;
1206                 len -= 1;
1207             }
1208         } else {
1209             sv*=256;
1210             unsigned int c0_24=(int)sv;
1211             c0_24&=0xFF;
1212             while (len > 0) {
1213                 /* Draw */
1214                 d[0] = NR_COMPOSEA_111(c0_24,d[0]);
1215                 d += 1;
1216                 len -= 1;
1217             }
1218         }
1219     } else {
1220         if ( en <= st+1 ) {
1221             sv=0.5*(vst+ven);
1222             sv*=256;
1223             unsigned int c0_24=(int)sv;
1224             c0_24&=0xFF;
1225             /* Draw */
1226             d[0] = NR_COMPOSEA_111(c0_24,d[0]);
1227         } else {
1228             dv/=len;
1229             sv+=0.5*dv; // correction trapezoidale
1230             sv*=16777216;
1231             dv*=16777216;
1232             int c0_24 = static_cast<int>(CLAMP(sv, 0, 16777216));
1233             int s0_24 = static_cast<int>(dv);
1234             while (len > 0) {
1235                 unsigned int ca;
1236                 /* Draw */
1237                 ca = c0_24 >> 16;
1238                 if ( ca > 255 ) ca=255;
1239                 d[0] = NR_COMPOSEA_111(ca,d[0]);
1240                 d += 1;
1241                 c0_24 += s0_24;
1242                 c0_24 = CLAMP(c0_24, 0, 16777216);
1243                 len -= 1;
1244             }
1245         }
1246     }
1247 }
1248
1249 void nr_pixblock_render_shape_mask_or(NRPixBlock &m,Shape* theS)
1250 {
1251     theS->CalcBBox();
1252     float l = theS->leftX, r = theS->rightX, t = theS->topY, b = theS->bottomY;
1253     int    il,ir,it,ib;
1254     il=(int)floor(l);
1255     ir=(int)ceil(r);
1256     it=(int)floor(t);
1257     ib=(int)ceil(b);
1258
1259     if ( il >= m.area.x1 || ir <= m.area.x0 || it >= m.area.y1 || ib <= m.area.y0 ) return;
1260     if ( il < m.area.x0 ) il=m.area.x0;
1261     if ( it < m.area.y0 ) it=m.area.y0;
1262     if ( ir > m.area.x1 ) ir=m.area.x1;
1263     if ( ib > m.area.y1 ) ib=m.area.y1;
1264
1265     /* This is the FloatLigne version.  See svn (prior to Apr 2006) for versions using BitLigne or direct BitLigne. */
1266     int    curPt;
1267     float  curY;
1268     theS->BeginQuickRaster(curY, curPt);
1269
1270     FloatLigne *theI = new FloatLigne();
1271     IntLigne *theIL = new IntLigne();
1272
1273     theS->DirectQuickScan(curY, curPt, (float) it, true, 1.0);
1274
1275     char *mdata = (char*)m.data.px;
1276     if ( m.size == NR_PIXBLOCK_SIZE_TINY ) mdata=(char*)m.data.p;
1277     uint32_t *ligStart = ((uint32_t*)(mdata + ((il - m.area.x0) + m.rs * (it - m.area.y0))));
1278     for (int y = it; y < ib; y++) {
1279         theI->Reset();
1280         theS->QuickScan(curY, curPt, ((float)(y+1)), theI, 1.0);
1281         theI->Flatten();
1282         theIL->Copy(theI);
1283
1284         raster_info  dest;
1285         dest.startPix=il;
1286         dest.endPix=ir;
1287         dest.sth=il;
1288         dest.stv=y;
1289         dest.buffer=ligStart;
1290         theIL->Raster(dest, NULL, shape_run_A8_OR);
1291         ligStart=((uint32_t*)(((char*)ligStart)+m.rs));
1292     }
1293     theS->EndQuickRaster();
1294     delete theI;
1295     delete theIL;
1296 }
1297
1298
1299 /*
1300   Local Variables:
1301   mode:c++
1302   c-file-style:"stroustrup"
1303   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1304   indent-tabs-mode:nil
1305   fill-column:99
1306   End:
1307 */
1308 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :