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