421627309d5f5e7648bd19cae0772b7d4f72437b
1 #define __NR_ARENA_SHAPE_C__
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 */
17 #include <display/canvas-arena.h>
18 #include <display/nr-arena.h>
19 #include <display/nr-arena-shape.h>
20 #include <libnr/n-art-bpath.h>
21 #include <libnr/nr-path.h>
22 #include <libnr/nr-pixops.h>
23 #include <libnr/nr-matrix-ops.h>
24 #include <libnr/nr-matrix-fns.h>
25 #include <libnr/nr-blit.h>
26 #include <livarot/Path.h>
27 #include <livarot/float-line.h>
28 #include <livarot/int-line.h>
29 #include <style.h>
30 #include "prefs-utils.h"
31 #include "sp-filter.h"
32 #include "inkscape-cairo.h"
34 #include "display/nr-filter.h"
35 #include "display/nr-filter-gaussian.h"
36 #include "display/nr-filter-types.h"
37 #include "sp-gaussian-blur.h"
38 #include "sp-feblend.h"
39 #include "display/nr-filter-blend.h"
41 #include <cairo.h>
43 //int showRuns=0;
44 void nr_pixblock_render_shape_mask_or(NRPixBlock &m,Shape* theS);
46 static void nr_arena_shape_class_init(NRArenaShapeClass *klass);
47 static void nr_arena_shape_init(NRArenaShape *shape);
48 static void nr_arena_shape_finalize(NRObject *object);
50 static NRArenaItem *nr_arena_shape_children(NRArenaItem *item);
51 static void nr_arena_shape_add_child(NRArenaItem *item, NRArenaItem *child, NRArenaItem *ref);
52 static void nr_arena_shape_remove_child(NRArenaItem *item, NRArenaItem *child);
53 static void nr_arena_shape_set_child_position(NRArenaItem *item, NRArenaItem *child, NRArenaItem *ref);
55 static guint nr_arena_shape_update(NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset);
56 static unsigned int nr_arena_shape_render(cairo_t *ct, NRArenaItem *item, NRRectL *area, NRPixBlock *pb, unsigned int flags);
57 static guint nr_arena_shape_clip(NRArenaItem *item, NRRectL *area, NRPixBlock *pb);
58 static NRArenaItem *nr_arena_shape_pick(NRArenaItem *item, NR::Point p, double delta, unsigned int sticky);
60 static NRArenaItemClass *shape_parent_class;
62 NRType
63 nr_arena_shape_get_type(void)
64 {
65 static NRType type = 0;
66 if (!type) {
67 type = nr_object_register_type(NR_TYPE_ARENA_ITEM,
68 "NRArenaShape",
69 sizeof(NRArenaShapeClass),
70 sizeof(NRArenaShape),
71 (void (*)(NRObjectClass *)) nr_arena_shape_class_init,
72 (void (*)(NRObject *)) nr_arena_shape_init);
73 }
74 return type;
75 }
77 static void
78 nr_arena_shape_class_init(NRArenaShapeClass *klass)
79 {
80 NRObjectClass *object_class;
81 NRArenaItemClass *item_class;
83 object_class = (NRObjectClass *) klass;
84 item_class = (NRArenaItemClass *) klass;
86 shape_parent_class = (NRArenaItemClass *) ((NRObjectClass *) klass)->parent;
88 object_class->finalize = nr_arena_shape_finalize;
89 object_class->cpp_ctor = NRObject::invoke_ctor<NRArenaShape>;
91 item_class->children = nr_arena_shape_children;
92 item_class->add_child = nr_arena_shape_add_child;
93 item_class->set_child_position = nr_arena_shape_set_child_position;
94 item_class->remove_child = nr_arena_shape_remove_child;
95 item_class->update = nr_arena_shape_update;
96 item_class->render = nr_arena_shape_render;
97 item_class->clip = nr_arena_shape_clip;
98 item_class->pick = nr_arena_shape_pick;
99 }
101 /**
102 * Initializes the arena shape, setting all parameters to null, 0, false,
103 * or other defaults
104 */
105 static void
106 nr_arena_shape_init(NRArenaShape *shape)
107 {
108 shape->curve = NULL;
109 shape->style = NULL;
110 shape->paintbox.x0 = shape->paintbox.y0 = 0.0F;
111 shape->paintbox.x1 = shape->paintbox.y1 = 256.0F;
113 nr_matrix_set_identity(&shape->ctm);
114 shape->fill_painter = NULL;
115 shape->stroke_painter = NULL;
116 shape->cached_fill = NULL;
117 shape->cached_stroke = NULL;
118 shape->cached_fpartialy = false;
119 shape->cached_spartialy = false;
120 shape->fill_shp = NULL;
121 shape->stroke_shp = NULL;
123 shape->delayed_shp = false;
125 shape->approx_bbox.x0 = shape->approx_bbox.y0 = 0;
126 shape->approx_bbox.x1 = shape->approx_bbox.y1 = 0;
127 nr_matrix_set_identity(&shape->cached_fctm);
128 nr_matrix_set_identity(&shape->cached_sctm);
130 shape->markers = NULL;
132 shape->last_pick = NULL;
133 shape->repick_after = 0;
134 }
136 static void
137 nr_arena_shape_finalize(NRObject *object)
138 {
139 NRArenaShape *shape = (NRArenaShape *) object;
141 if (shape->fill_shp) delete shape->fill_shp;
142 if (shape->stroke_shp) delete shape->stroke_shp;
143 if (shape->cached_fill) delete shape->cached_fill;
144 if (shape->cached_stroke) delete shape->cached_stroke;
145 if (shape->fill_painter) sp_painter_free(shape->fill_painter);
146 if (shape->stroke_painter) sp_painter_free(shape->stroke_painter);
148 if (shape->style) sp_style_unref(shape->style);
149 if (shape->curve) sp_curve_unref(shape->curve);
151 ((NRObjectClass *) shape_parent_class)->finalize(object);
152 }
154 /**
155 * Retrieves the markers from the item
156 */
157 static NRArenaItem *
158 nr_arena_shape_children(NRArenaItem *item)
159 {
160 NRArenaShape *shape = (NRArenaShape *) item;
162 return shape->markers;
163 }
165 /**
166 * Attaches child to item, and if ref is not NULL, sets it and ref->next as
167 * the prev and next items. If ref is NULL, then it sets the item's markers
168 * as the next items.
169 */
170 static void
171 nr_arena_shape_add_child(NRArenaItem *item, NRArenaItem *child, NRArenaItem *ref)
172 {
173 NRArenaShape *shape = (NRArenaShape *) item;
175 if (!ref) {
176 shape->markers = nr_arena_item_attach(item, child, NULL, shape->markers);
177 } else {
178 ref->next = nr_arena_item_attach(item, child, ref, ref->next);
179 }
181 nr_arena_item_request_update(item, NR_ARENA_ITEM_STATE_ALL, FALSE);
182 }
184 /**
185 * Removes child from the shape. If there are no prev items in
186 * the child, it sets items' markers to the next item in the child.
187 */
188 static void
189 nr_arena_shape_remove_child(NRArenaItem *item, NRArenaItem *child)
190 {
191 NRArenaShape *shape = (NRArenaShape *) item;
193 if (child->prev) {
194 nr_arena_item_detach(item, child);
195 } else {
196 shape->markers = nr_arena_item_detach(item, child);
197 }
199 nr_arena_item_request_update(item, NR_ARENA_ITEM_STATE_ALL, FALSE);
200 }
202 /**
203 * Detaches child from item, and if there are no previous items in child, it
204 * sets item's markers to the child. It then attaches the child back onto the item.
205 * If ref is null, it sets the markers to be the next item, otherwise it uses
206 * the next/prev items in ref.
207 */
208 static void
209 nr_arena_shape_set_child_position(NRArenaItem *item, NRArenaItem *child, NRArenaItem *ref)
210 {
211 NRArenaShape *shape = (NRArenaShape *) item;
213 if (child->prev) {
214 nr_arena_item_detach(item, child);
215 } else {
216 shape->markers = nr_arena_item_detach(item, child);
217 }
219 if (!ref) {
220 shape->markers = nr_arena_item_attach(item, child, NULL, shape->markers);
221 } else {
222 ref->next = nr_arena_item_attach(item, child, ref, ref->next);
223 }
225 nr_arena_item_request_render(child);
226 }
228 void nr_arena_shape_update_stroke(NRArenaShape *shape, NRGC* gc, NRRectL *area);
229 void nr_arena_shape_update_fill(NRArenaShape *shape, NRGC *gc, NRRectL *area, bool force_shape = false);
230 void nr_arena_shape_add_bboxes(NRArenaShape* shape,NRRect &bbox);
232 /**
233 * Updates the arena shape 'item' and all of its children, including the markers.
234 */
235 static guint
236 nr_arena_shape_update(NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset)
237 {
238 NRRect bbox;
240 NRArenaShape *shape = NR_ARENA_SHAPE(item);
242 unsigned int beststate = NR_ARENA_ITEM_STATE_ALL;
244 unsigned int newstate;
245 for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) {
246 newstate = nr_arena_item_invoke_update(child, area, gc, state, reset);
247 beststate = beststate & newstate;
248 }
250 if (!(state & NR_ARENA_ITEM_STATE_RENDER)) {
251 /* We do not have to create rendering structures */
252 shape->ctm = gc->transform;
253 if (state & NR_ARENA_ITEM_STATE_BBOX) {
254 if (shape->curve) {
255 NRBPath bp;
256 /* fixme: */
257 bbox.x0 = bbox.y0 = NR_HUGE;
258 bbox.x1 = bbox.y1 = -NR_HUGE;
259 bp.path = SP_CURVE_BPATH(shape->curve);
260 nr_path_matrix_bbox_union(&bp, gc->transform, &bbox);
261 item->bbox.x0 = (gint32)(bbox.x0 - 1.0F);
262 item->bbox.y0 = (gint32)(bbox.y0 - 1.0F);
263 item->bbox.x1 = (gint32)(bbox.x1 + 1.9999F);
264 item->bbox.y1 = (gint32)(bbox.y1 + 1.9999F);
265 }
266 if (beststate & NR_ARENA_ITEM_STATE_BBOX) {
267 for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) {
268 nr_rect_l_union(&item->bbox, &item->bbox, &child->bbox);
269 }
270 }
271 }
272 return (state | item->state);
273 }
275 shape->delayed_shp=true;
276 shape->ctm = gc->transform;
277 bbox.x0 = bbox.y0 = NR_HUGE;
278 bbox.x1 = bbox.y1 = -NR_HUGE;
280 bool outline = (NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE);
282 if (shape->curve) {
283 NRBPath bp;
284 /* fixme: */
285 bbox.x0 = bbox.y0 = NR_HUGE;
286 bbox.x1 = bbox.y1 = -NR_HUGE;
287 bp.path = SP_CURVE_BPATH(shape->curve);
288 nr_path_matrix_bbox_union(&bp, gc->transform, &bbox);
289 if (shape->_stroke.paint.type() != NRArenaShape::Paint::NONE || outline) {
290 float width, scale;
291 scale = NR_MATRIX_DF_EXPANSION(&gc->transform);
292 width = MAX(0.125, shape->_stroke.width * scale);
293 if ( fabs(shape->_stroke.width * scale) > 0.01 ) { // sinon c'est 0=oon veut pas de bord
294 bbox.x0-=width;
295 bbox.x1+=width;
296 bbox.y0-=width;
297 bbox.y1+=width;
298 }
299 // those pesky miters, now
300 float miterMax=width*shape->_stroke.mitre_limit;
301 if ( miterMax > 0.01 ) {
302 // grunt mode. we should compute the various miters instead (one for each point on the curve)
303 bbox.x0-=miterMax;
304 bbox.x1+=miterMax;
305 bbox.y0-=miterMax;
306 bbox.y1+=miterMax;
307 }
308 }
309 } else {
310 }
311 shape->approx_bbox.x0 = (gint32)(bbox.x0 - 1.0F);
312 shape->approx_bbox.y0 = (gint32)(bbox.y0 - 1.0F);
313 shape->approx_bbox.x1 = (gint32)(bbox.x1 + 1.9999F);
314 shape->approx_bbox.y1 = (gint32)(bbox.y1 + 1.9999F);
315 if ( area && nr_rect_l_test_intersect(area, &shape->approx_bbox) ) shape->delayed_shp=false;
317 /* Release state data */
318 if (TRUE || !nr_matrix_test_transform_equal(&gc->transform, &shape->ctm, NR_EPSILON)) {
319 /* Concept test */
320 if (shape->fill_shp) {
321 delete shape->fill_shp;
322 shape->fill_shp = NULL;
323 }
324 }
325 if (shape->stroke_shp) {
326 delete shape->stroke_shp;
327 shape->stroke_shp = NULL;
328 }
329 if (shape->fill_painter) {
330 sp_painter_free(shape->fill_painter);
331 shape->fill_painter = NULL;
332 }
333 if (shape->stroke_painter) {
334 sp_painter_free(shape->stroke_painter);
335 shape->stroke_painter = NULL;
336 }
338 if (!shape->curve ||
339 !shape->style ||
340 sp_curve_is_empty(shape->curve) ||
341 (( shape->_fill.paint.type() == NRArenaShape::Paint::NONE ) &&
342 ( shape->_stroke.paint.type() == NRArenaShape::Paint::NONE && !outline) ))
343 {
344 item->bbox = shape->approx_bbox;
345 return NR_ARENA_ITEM_STATE_ALL;
346 }
348 /* Build state data */
349 if ( shape->delayed_shp ) {
350 item->bbox=shape->approx_bbox;
351 } else {
352 nr_arena_shape_update_stroke(shape, gc, area);
353 nr_arena_shape_update_fill(shape, gc, area);
355 bbox.x0 = bbox.y0 = bbox.x1 = bbox.y1 = 0.0;
356 nr_arena_shape_add_bboxes(shape,bbox);
358 shape->approx_bbox.x0 = (gint32)(bbox.x0 - 1.0F);
359 shape->approx_bbox.y0 = (gint32)(bbox.y0 - 1.0F);
360 shape->approx_bbox.x1 = (gint32)(bbox.x1 + 1.9999F);
361 shape->approx_bbox.y1 = (gint32)(bbox.y1 + 1.9999F);
362 }
364 if (nr_rect_d_test_empty(&bbox)) return NR_ARENA_ITEM_STATE_ALL;
366 item->bbox.x0 = (gint32)(bbox.x0 - 1.0F);
367 item->bbox.y0 = (gint32)(bbox.y0 - 1.0F);
368 item->bbox.x1 = (gint32)(bbox.x1 + 1.0F);
369 item->bbox.y1 = (gint32)(bbox.y1 + 1.0F);
370 nr_arena_request_render_rect(item->arena, &item->bbox);
372 item->render_opacity = TRUE;
373 if ( shape->_fill.paint.type() == NRArenaShape::Paint::SERVER ) {
374 if (gc && gc->parent) {
375 shape->fill_painter = sp_paint_server_painter_new(shape->_fill.paint.server(),
376 NR::Matrix(&gc->transform), NR::Matrix(&gc->parent->transform),
377 &shape->paintbox);
378 }
379 item->render_opacity = FALSE;
380 }
381 if ( shape->_stroke.paint.type() == NRArenaShape::Paint::SERVER ) {
382 if (gc && gc->parent) {
383 shape->stroke_painter = sp_paint_server_painter_new(shape->_stroke.paint.server(),
384 NR::Matrix(&gc->transform), NR::Matrix(&gc->parent->transform),
385 &shape->paintbox);
386 }
387 item->render_opacity = FALSE;
388 }
389 if ( (shape->_fill.paint.type() != NRArenaShape::Paint::NONE &&
390 shape->_stroke.paint.type() != NRArenaShape::Paint::NONE)
391 || (shape->markers)
392 )
393 {
394 // don't merge item opacity with paint opacity if there is a stroke on the fill, or markers on stroke
395 item->render_opacity = FALSE;
396 }
398 if (beststate & NR_ARENA_ITEM_STATE_BBOX) {
399 for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) {
400 nr_rect_l_union(&item->bbox, &item->bbox, &child->bbox);
401 }
402 }
404 return NR_ARENA_ITEM_STATE_ALL;
405 }
407 int matrix_is_isometry(NR::Matrix p) {
408 NR::Matrix tp;
409 // transposition
410 tp[0]=p[0];
411 tp[1]=p[2];
412 tp[2]=p[1];
413 tp[3]=p[3];
414 for (int i = 4; i < 6; i++) // shut valgrind up :)
415 tp[i] = p[i] = 0;
416 NR::Matrix isom = tp*p; // A^T * A = adjunct?
417 // Is the adjunct nearly an identity function?
418 if (isom.is_translation(0.01)) {
419 // the transformation is an isometry -> no need to recompute
420 // the uncrossed polygon
421 if ( p.det() < 0 )
422 return -1;
423 else
424 return 1;
425 }
426 return 0;
427 }
429 static bool is_inner_area(NRRectL const &outer, NRRectL const &inner) {
430 return (outer.x0 <= inner.x0 && outer.y0 <= inner.y0 && outer.x1 >= inner.x1 && outer.y1 >= inner.y1);
431 }
433 /** force_shape is used for clipping paths, when we need the shape for clipping even if it's not filled */
434 void
435 nr_arena_shape_update_fill(NRArenaShape *shape, NRGC *gc, NRRectL *area, bool force_shape)
436 {
437 if ((shape->_fill.paint.type() != NRArenaShape::Paint::NONE || force_shape) &&
438 ((shape->curve->end > 2) || (SP_CURVE_BPATH(shape->curve)[1].code == NR_CURVETO)) ) {
439 if (TRUE || !shape->fill_shp) {
440 NR::Matrix cached_to_new = NR::identity();
441 int isometry = 0;
442 if ( shape->cached_fill ) {
443 if (shape->cached_fctm == gc->transform) {
444 isometry = 2; // identity
445 } else {
446 cached_to_new = shape->cached_fctm.inverse() * gc->transform;
447 isometry = matrix_is_isometry(cached_to_new);
448 }
449 if (0 != isometry && !is_inner_area(shape->cached_farea, *area))
450 isometry = 0;
451 }
452 if ( isometry == 0 ) {
453 if ( shape->cached_fill == NULL ) shape->cached_fill=new Shape;
454 shape->cached_fill->Reset();
456 Path* thePath=new Path;
457 Shape* theShape=new Shape;
458 {
459 NR::Matrix tempMat(gc->transform);
460 thePath->LoadArtBPath(SP_CURVE_BPATH(shape->curve),tempMat,true);
461 }
463 if (is_inner_area(*area, NR_ARENA_ITEM(shape)->bbox)) {
464 thePath->Convert(1.0);
465 shape->cached_fpartialy = false;
466 } else {
467 thePath->Convert(area, 1.0);
468 shape->cached_fpartialy = true;
469 }
471 thePath->Fill(theShape, 0);
473 if ( shape->_fill.rule == NRArenaShape::EVEN_ODD ) {
474 shape->cached_fill->ConvertToShape(theShape, fill_oddEven);
475 // alternatively, this speeds up rendering of oddeven shapes but disables AA :(
476 //shape->cached_fill->Copy(theShape);
477 } else {
478 shape->cached_fill->ConvertToShape(theShape, fill_nonZero);
479 }
480 shape->cached_fctm=gc->transform;
481 shape->cached_farea = *area;
482 delete theShape;
483 delete thePath;
484 if ( shape->fill_shp == NULL )
485 shape->fill_shp = new Shape;
487 shape->fill_shp->Copy(shape->cached_fill);
489 } else if ( 2 == isometry ) {
490 if ( shape->fill_shp == NULL ) {
491 shape->fill_shp = new Shape;
492 shape->fill_shp->Copy(shape->cached_fill);
493 }
494 } else {
496 if ( shape->fill_shp == NULL )
497 shape->fill_shp = new Shape;
499 shape->fill_shp->Reset(shape->cached_fill->numberOfPoints(),
500 shape->cached_fill->numberOfEdges());
501 for (int i = 0; i < shape->cached_fill->numberOfPoints(); i++)
502 shape->fill_shp->AddPoint(shape->cached_fill->getPoint(i).x * cached_to_new);
503 if ( isometry == 1 ) {
504 for (int i = 0; i < shape->cached_fill->numberOfEdges(); i++)
505 shape->fill_shp->AddEdge(shape->cached_fill->getEdge(i).st,
506 shape->cached_fill->getEdge(i).en);
507 } else if ( isometry == -1 ) { // need to flip poly.
508 for (int i = 0; i < shape->cached_fill->numberOfEdges(); i++)
509 shape->fill_shp->AddEdge(shape->cached_fill->getEdge(i).en,
510 shape->cached_fill->getEdge(i).st);
511 }
512 shape->fill_shp->ForceToPolygon();
513 shape->fill_shp->needPointsSorting();
514 shape->fill_shp->needEdgesSorting();
515 }
516 shape->delayed_shp |= shape->cached_fpartialy;
517 }
518 }
519 }
521 void
522 nr_arena_shape_update_stroke(NRArenaShape *shape,NRGC* gc, NRRectL *area)
523 {
524 SPStyle* style = shape->style;
526 float const scale = NR_MATRIX_DF_EXPANSION(&gc->transform);
528 bool outline = (NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE);
530 if (outline) {
531 // cairo does not need the livarot path for rendering
532 return;
533 }
535 // after switching normal stroke rendering to cairo too, optimize this: lower tolerance, disregard dashes
536 // (since it will only be used for picking, not for rendering)
538 if (outline ||
539 ((shape->_stroke.paint.type() != NRArenaShape::Paint::NONE) &&
540 ( fabs(shape->_stroke.width * scale) > 0.01 ))) { // sinon c'est 0=oon veut pas de bord
542 float style_width = MAX(0.125, shape->_stroke.width * scale);
543 float width;
544 if (outline) {
545 width = 0.5; // 1 pixel wide, independent of zoom
546 } else {
547 width = style_width;
548 }
550 NR::Matrix cached_to_new = NR::identity();
552 int isometry = 0;
553 if ( shape->cached_stroke ) {
554 if (shape->cached_sctm == gc->transform) {
555 isometry = 2; // identity
556 } else {
557 cached_to_new = shape->cached_sctm.inverse() * gc->transform;
558 isometry = matrix_is_isometry(cached_to_new);
559 }
560 if (0 != isometry && !is_inner_area(shape->cached_sarea, *area))
561 isometry = 0;
562 if (0 != isometry && width != shape->cached_width) {
563 // if this happens without setting style, we have just switched to outline or back
564 isometry = 0;
565 }
566 }
568 if ( isometry == 0 ) {
569 if ( shape->cached_stroke == NULL ) shape->cached_stroke=new Shape;
570 shape->cached_stroke->Reset();
571 Path* thePath = new Path;
572 Shape* theShape = new Shape;
573 {
574 NR::Matrix tempMat(gc->transform);
575 thePath->LoadArtBPath(SP_CURVE_BPATH(shape->curve), tempMat, true);
576 }
578 // add some padding to the rendering area, so clipped path does not go into a render area
579 NRRectL padded_area = *area;
580 padded_area.x0 -= (NR::ICoord)width;
581 padded_area.x1 += (NR::ICoord)width;
582 padded_area.y0 -= (NR::ICoord)width;
583 padded_area.y1 += (NR::ICoord)width;
584 if ((style->stroke_dash.n_dash && !outline) || is_inner_area(padded_area, NR_ARENA_ITEM(shape)->bbox)) {
585 thePath->Convert((outline) ? 4.0 : 1.0);
586 shape->cached_spartialy = false;
587 }
588 else {
589 thePath->Convert(&padded_area, (outline) ? 4.0 : 1.0);
590 shape->cached_spartialy = true;
591 }
593 if (style->stroke_dash.n_dash && !outline) {
594 thePath->DashPolylineFromStyle(style, scale, 1.0);
595 }
597 ButtType butt=butt_straight;
598 switch (shape->_stroke.cap) {
599 case NRArenaShape::BUTT_CAP:
600 butt = butt_straight;
601 break;
602 case NRArenaShape::ROUND_CAP:
603 butt = butt_round;
604 break;
605 case NRArenaShape::SQUARE_CAP:
606 butt = butt_square;
607 break;
608 }
609 JoinType join=join_straight;
610 switch (shape->_stroke.join) {
611 case NRArenaShape::MITRE_JOIN:
612 join = join_pointy;
613 break;
614 case NRArenaShape::ROUND_JOIN:
615 join = join_round;
616 break;
617 case NRArenaShape::BEVEL_JOIN:
618 join = join_straight;
619 break;
620 }
622 if (outline) {
623 butt = butt_straight;
624 join = join_straight;
625 }
627 thePath->Stroke(theShape, false, 0.5*width, join, butt,
628 0.5*width*shape->_stroke.mitre_limit);
631 if (outline) {
632 // speeds it up, but uses evenodd for the stroke shape (which does not matter for 1-pixel wide outline)
633 shape->cached_stroke->Copy(theShape);
634 } else {
635 shape->cached_stroke->ConvertToShape(theShape, fill_nonZero);
636 }
638 shape->cached_width = width;
640 shape->cached_sctm=gc->transform;
641 shape->cached_sarea = *area;
642 delete thePath;
643 delete theShape;
644 if ( shape->stroke_shp == NULL ) shape->stroke_shp=new Shape;
646 shape->stroke_shp->Copy(shape->cached_stroke);
648 } else if ( 2 == isometry ) {
649 if ( shape->stroke_shp == NULL ) {
650 shape->stroke_shp=new Shape;
651 shape->stroke_shp->Copy(shape->cached_stroke);
652 }
653 } else {
654 if ( shape->stroke_shp == NULL )
655 shape->stroke_shp=new Shape;
656 shape->stroke_shp->Reset(shape->cached_stroke->numberOfPoints(), shape->cached_stroke->numberOfEdges());
657 for (int i = 0; i < shape->cached_stroke->numberOfPoints(); i++)
658 shape->stroke_shp->AddPoint(shape->cached_stroke->getPoint(i).x * cached_to_new);
659 if ( isometry == 1 ) {
660 for (int i = 0; i < shape->cached_stroke->numberOfEdges(); i++)
661 shape->stroke_shp->AddEdge(shape->cached_stroke->getEdge(i).st,
662 shape->cached_stroke->getEdge(i).en);
663 } else if ( isometry == -1 ) {
664 for (int i = 0; i < shape->cached_stroke->numberOfEdges(); i++)
665 shape->stroke_shp->AddEdge(shape->cached_stroke->getEdge(i).en,
666 shape->cached_stroke->getEdge(i).st);
667 }
668 shape->stroke_shp->ForceToPolygon();
669 shape->stroke_shp->needPointsSorting();
670 shape->stroke_shp->needEdgesSorting();
671 }
672 shape->delayed_shp |= shape->cached_spartialy;
673 }
674 }
677 void
678 nr_arena_shape_add_bboxes(NRArenaShape* shape, NRRect &bbox)
679 {
680 if ( shape->stroke_shp ) {
681 shape->stroke_shp->CalcBBox();
682 shape->stroke_shp->leftX=floor(shape->stroke_shp->leftX);
683 shape->stroke_shp->rightX=ceil(shape->stroke_shp->rightX);
684 shape->stroke_shp->topY=floor(shape->stroke_shp->topY);
685 shape->stroke_shp->bottomY=ceil(shape->stroke_shp->bottomY);
686 if ( bbox.x0 >= bbox.x1 ) {
687 if ( shape->stroke_shp->leftX < shape->stroke_shp->rightX ) {
688 bbox.x0=shape->stroke_shp->leftX;
689 bbox.x1=shape->stroke_shp->rightX;
690 }
691 } else {
692 if ( shape->stroke_shp->leftX < bbox.x0 )
693 bbox.x0=shape->stroke_shp->leftX;
694 if ( shape->stroke_shp->rightX > bbox.x1 )
695 bbox.x1=shape->stroke_shp->rightX;
696 }
697 if ( bbox.y0 >= bbox.y1 ) {
698 if ( shape->stroke_shp->topY < shape->stroke_shp->bottomY ) {
699 bbox.y0=shape->stroke_shp->topY;
700 bbox.y1=shape->stroke_shp->bottomY;
701 }
702 } else {
703 if ( shape->stroke_shp->topY < bbox.y0 )
704 bbox.y0=shape->stroke_shp->topY;
705 if ( shape->stroke_shp->bottomY > bbox.y1 )
706 bbox.y1=shape->stroke_shp->bottomY;
707 }
708 }
709 if ( shape->fill_shp ) {
710 shape->fill_shp->CalcBBox();
711 shape->fill_shp->leftX=floor(shape->fill_shp->leftX);
712 shape->fill_shp->rightX=ceil(shape->fill_shp->rightX);
713 shape->fill_shp->topY=floor(shape->fill_shp->topY);
714 shape->fill_shp->bottomY=ceil(shape->fill_shp->bottomY);
715 if ( bbox.x0 >= bbox.x1 ) {
716 if ( shape->fill_shp->leftX < shape->fill_shp->rightX ) {
717 bbox.x0=shape->fill_shp->leftX;
718 bbox.x1=shape->fill_shp->rightX;
719 }
720 } else {
721 if ( shape->fill_shp->leftX < bbox.x0 ) bbox.x0=shape->fill_shp->leftX;
722 if ( shape->fill_shp->rightX > bbox.x1 ) bbox.x1=shape->fill_shp->rightX;
723 }
724 if ( bbox.y0 >= bbox.y1 ) {
725 if ( shape->fill_shp->topY < shape->fill_shp->bottomY ) {
726 bbox.y0=shape->fill_shp->topY;
727 bbox.y1=shape->fill_shp->bottomY;
728 }
729 } else {
730 if ( shape->fill_shp->topY < bbox.y0 ) bbox.y0=shape->fill_shp->topY;
731 if ( shape->fill_shp->bottomY > bbox.y1 ) bbox.y1=shape->fill_shp->bottomY;
732 }
733 }
734 }
736 // cairo outline rendering:
737 static unsigned int
738 cairo_arena_shape_render_outline(cairo_t *ct, NRArenaItem *item, NR::Maybe<NR::Rect> area)
739 {
740 NRArenaShape *shape = NR_ARENA_SHAPE(item);
742 if (!ct)
743 return item->state;
745 guint32 rgba = NR_ARENA_ITEM(shape)->arena->outlinecolor;
746 // FIXME: we use RGBA buffers but cairo writes BGRA (on i386), so we must cheat
747 // by setting color channels in the "wrong" order
748 cairo_set_source_rgba(ct, SP_RGBA32_B_F(rgba), SP_RGBA32_G_F(rgba), SP_RGBA32_R_F(rgba), SP_RGBA32_A_F(rgba));
750 cairo_set_line_width(ct, 0.5);
751 cairo_set_tolerance(ct, 1.25); // low quality, but good enough for outline mode
752 cairo_new_path(ct);
754 feed_curve_to_cairo (ct, SP_CURVE_BPATH(shape->curve), NR::Matrix(shape->ctm), area, true, 0);
756 cairo_stroke(ct);
758 return item->state;
759 }
761 // cairo stroke rendering (flat color only so far!):
762 // works on canvas, but wrongs the colors in nonpremul buffers: icons and png export
763 // (need to switch them to premul before this can be enabled)
764 void
765 cairo_arena_shape_render_stroke(NRArenaItem *item, NRRectL *area, NRPixBlock *pb)
766 {
767 NRArenaShape *shape = NR_ARENA_SHAPE(item);
768 SPStyle const *style = shape->style;
770 float const scale = NR_MATRIX_DF_EXPANSION(shape->ctm);
772 if (fabs(shape->_stroke.width * scale) < 0.01)
773 return;
775 cairo_t *ct = nr_create_cairo_context (area, pb);
777 if (!ct)
778 return;
780 guint32 rgba;
781 if ( item->render_opacity ) {
782 rgba = sp_color_get_rgba32_falpha(&shape->_stroke.paint.color(),
783 shape->_stroke.opacity *
784 SP_SCALE24_TO_FLOAT(style->opacity.value));
785 } else {
786 rgba = sp_color_get_rgba32_falpha(&shape->_stroke.paint.color(),
787 shape->_stroke.opacity);
788 }
790 // FIXME: we use RGBA buffers but cairo writes BGRA (on i386), so we must cheat
791 // by setting color channels in the "wrong" order
792 cairo_set_source_rgba(ct, SP_RGBA32_B_F(rgba), SP_RGBA32_G_F(rgba), SP_RGBA32_R_F(rgba), SP_RGBA32_A_F(rgba));
794 float style_width = MAX(0.125, shape->_stroke.width * scale);
795 cairo_set_line_width(ct, style_width);
797 switch (shape->_stroke.cap) {
798 case NRArenaShape::BUTT_CAP:
799 cairo_set_line_cap(ct, CAIRO_LINE_CAP_BUTT);
800 break;
801 case NRArenaShape::ROUND_CAP:
802 cairo_set_line_cap(ct, CAIRO_LINE_CAP_ROUND);
803 break;
804 case NRArenaShape::SQUARE_CAP:
805 cairo_set_line_cap(ct, CAIRO_LINE_CAP_SQUARE);
806 break;
807 }
808 switch (shape->_stroke.join) {
809 case NRArenaShape::MITRE_JOIN:
810 cairo_set_line_join(ct, CAIRO_LINE_JOIN_MITER);
811 break;
812 case NRArenaShape::ROUND_JOIN:
813 cairo_set_line_join(ct, CAIRO_LINE_JOIN_ROUND);
814 break;
815 case NRArenaShape::BEVEL_JOIN:
816 cairo_set_line_join(ct, CAIRO_LINE_JOIN_BEVEL);
817 break;
818 }
820 cairo_set_miter_limit (ct, style->stroke_miterlimit.value);
822 if (style->stroke_dash.n_dash) {
823 NRVpathDash dash;
824 dash.offset = style->stroke_dash.offset * scale;
825 dash.n_dash = style->stroke_dash.n_dash;
826 dash.dash = g_new(double, dash.n_dash);
827 for (int i = 0; i < dash.n_dash; i++) {
828 dash.dash[i] = style->stroke_dash.dash[i] * scale;
829 }
830 cairo_set_dash (ct, dash.dash, dash.n_dash, dash.offset);
831 g_free(dash.dash);
832 }
834 cairo_set_tolerance(ct, 0.1);
835 cairo_new_path(ct);
837 feed_curve_to_cairo (ct, SP_CURVE_BPATH(shape->curve), NR::Matrix(shape->ctm), area->upgrade(), true, style_width);
839 cairo_stroke(ct);
841 cairo_surface_t *cst = cairo_get_target(ct);
842 cairo_destroy (ct);
843 cairo_surface_finish (cst);
844 cairo_surface_destroy (cst);
846 pb->empty = FALSE;
847 }
850 /**
851 * Renders the item. Markers are just composed into the parent buffer.
852 */
853 static unsigned int
854 nr_arena_shape_render(cairo_t *ct, NRArenaItem *item, NRRectL *area, NRPixBlock *pb, unsigned int flags)
855 {
856 NRArenaShape *shape = NR_ARENA_SHAPE(item);
858 if (!shape->curve) return item->state;
859 if (!shape->style) return item->state;
861 bool outline = (NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE);
863 if (outline) { // cairo outline rendering
865 pb->empty = FALSE;
866 unsigned int ret = cairo_arena_shape_render_outline (ct, item, (&pb->area)->upgrade());
867 if (ret & NR_ARENA_ITEM_STATE_INVALID) return ret;
869 } else {
871 if ( shape->delayed_shp ) {
872 if ( nr_rect_l_test_intersect(area, &item->bbox) ) {
873 NRGC tempGC(NULL);
874 tempGC.transform=shape->ctm;
875 shape->delayed_shp = false;
876 nr_arena_shape_update_stroke(shape,&tempGC,&pb->visible_area);
877 nr_arena_shape_update_fill(shape,&tempGC,&pb->visible_area);
878 /* NRRect bbox;
879 bbox.x0 = bbox.y0 = bbox.x1 = bbox.y1 = 0.0;
880 nr_arena_shape_add_bboxes(shape,bbox);
881 item->bbox.x0 = (gint32)(bbox.x0 - 1.0F);
882 item->bbox.y0 = (gint32)(bbox.y0 - 1.0F);
883 item->bbox.x1 = (gint32)(bbox.x1 + 1.0F);
884 item->bbox.y1 = (gint32)(bbox.y1 + 1.0F);
885 shape->approx_bbox=item->bbox;*/
886 } else {
887 return item->state;
888 }
889 }
891 SPStyle const *style = shape->style;
892 if (shape->fill_shp) {
893 NRPixBlock m;
894 guint32 rgba;
896 nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
898 // if memory allocation failed, abort render
899 if (m.size != NR_PIXBLOCK_SIZE_TINY && m.data.px == NULL) {
900 nr_pixblock_release (&m);
901 return (item->state);
902 }
904 m.visible_area = pb->visible_area;
905 nr_pixblock_render_shape_mask_or(m,shape->fill_shp);
906 m.empty = FALSE;
908 if (shape->_fill.paint.type() == NRArenaShape::Paint::NONE) {
909 // do not render fill in any way
910 } else if (shape->_fill.paint.type() == NRArenaShape::Paint::COLOR) {
911 if ( item->render_opacity ) {
912 rgba = sp_color_get_rgba32_falpha(&shape->_fill.paint.color(),
913 shape->_fill.opacity *
914 SP_SCALE24_TO_FLOAT(style->opacity.value));
915 } else {
916 rgba = sp_color_get_rgba32_falpha(&shape->_fill.paint.color(),
917 shape->_fill.opacity);
918 }
919 nr_blit_pixblock_mask_rgba32(pb, &m, rgba);
920 pb->empty = FALSE;
921 } else if (shape->_fill.paint.type() == NRArenaShape::Paint::SERVER) {
922 if (shape->fill_painter) {
923 nr_arena_render_paintserver_fill(pb, area, shape->fill_painter, shape->_fill.opacity, &m);
924 }
925 }
927 nr_pixblock_release(&m);
928 }
930 if (shape->stroke_shp && shape->_stroke.paint.type() == NRArenaShape::Paint::COLOR) {
932 // cairo_arena_shape_render_stroke(item, area, pb);
934 guint32 rgba;
935 NRPixBlock m;
937 nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
939 // if memory allocation failed, abort render
940 if (m.size != NR_PIXBLOCK_SIZE_TINY && m.data.px == NULL) {
941 nr_pixblock_release (&m);
942 return (item->state);
943 }
945 m.visible_area = pb->visible_area;
946 nr_pixblock_render_shape_mask_or(m, shape->stroke_shp);
947 m.empty = FALSE;
949 if ( item->render_opacity ) {
950 rgba = sp_color_get_rgba32_falpha(&shape->_stroke.paint.color(),
951 shape->_stroke.opacity *
952 SP_SCALE24_TO_FLOAT(style->opacity.value));
953 } else {
954 rgba = sp_color_get_rgba32_falpha(&shape->_stroke.paint.color(),
955 shape->_stroke.opacity);
956 }
957 nr_blit_pixblock_mask_rgba32(pb, &m, rgba);
958 pb->empty = FALSE;
960 nr_pixblock_release(&m);
962 } else if (shape->stroke_shp && shape->_stroke.paint.type() == NRArenaShape::Paint::SERVER) {
964 NRPixBlock m;
966 nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
968 // if memory allocation failed, abort render
969 if (m.size != NR_PIXBLOCK_SIZE_TINY && m.data.px == NULL) {
970 nr_pixblock_release (&m);
971 return (item->state);
972 }
974 m.visible_area = pb->visible_area;
975 nr_pixblock_render_shape_mask_or(m, shape->stroke_shp);
976 m.empty = FALSE;
978 if (shape->stroke_painter) {
979 nr_arena_render_paintserver_fill(pb, area, shape->stroke_painter, shape->_stroke.opacity, &m);
980 }
982 nr_pixblock_release(&m);
983 }
985 } // non-cairo non-outline branch
987 /* Render markers into parent buffer */
988 for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) {
989 unsigned int ret = nr_arena_item_invoke_render(ct, child, area, pb, flags);
990 if (ret & NR_ARENA_ITEM_STATE_INVALID) return ret;
991 }
993 return item->state;
994 }
997 // cairo clipping: this basically works except for the stride-must-be-divisible-by-4 cairo bug;
998 // reenable this when the bug is fixed and remove the rest of this function
999 static guint
1000 cairo_arena_shape_clip(NRArenaItem *item, NRRectL *area, NRPixBlock *pb)
1001 {
1002 NRArenaShape *shape = NR_ARENA_SHAPE(item);
1003 if (!shape->curve) return item->state;
1005 cairo_t *ct = nr_create_cairo_context (area, pb);
1007 if (!ct)
1008 return item->state;
1010 cairo_set_source_rgba(ct, 0, 0, 0, 1);
1012 cairo_new_path(ct);
1014 feed_curve_to_cairo (ct, SP_CURVE_BPATH(shape->curve), NR::Matrix(shape->ctm), (area)->upgrade(), false, 0);
1016 cairo_fill(ct);
1018 cairo_surface_t *cst = cairo_get_target(ct);
1019 cairo_destroy (ct);
1020 cairo_surface_finish (cst);
1021 cairo_surface_destroy (cst);
1023 pb->empty = FALSE;
1025 return item->state;
1026 }
1029 static guint
1030 nr_arena_shape_clip(NRArenaItem *item, NRRectL *area, NRPixBlock *pb)
1031 {
1032 //return cairo_arena_shape_clip(item, area, pb);
1034 NRArenaShape *shape = NR_ARENA_SHAPE(item);
1035 if (!shape->curve) return item->state;
1037 if ( shape->delayed_shp || shape->fill_shp == NULL) { // we need a fill shape no matter what
1038 if ( nr_rect_l_test_intersect(area, &item->bbox) ) {
1039 NRGC tempGC(NULL);
1040 tempGC.transform=shape->ctm;
1041 shape->delayed_shp = false;
1042 nr_arena_shape_update_fill(shape, &tempGC, &pb->visible_area, true);
1043 } else {
1044 return item->state;
1045 }
1046 }
1048 if ( shape->fill_shp ) {
1049 NRPixBlock m;
1051 /* fixme: We can OR in one step (Lauris) */
1052 nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
1054 // if memory allocation failed, abort
1055 if (m.size != NR_PIXBLOCK_SIZE_TINY && m.data.px == NULL) {
1056 nr_pixblock_release (&m);
1057 return (item->state);
1058 }
1060 m.visible_area = pb->visible_area;
1061 nr_pixblock_render_shape_mask_or(m,shape->fill_shp);
1063 for (int y = area->y0; y < area->y1; y++) {
1064 unsigned char *s, *d;
1065 s = NR_PIXBLOCK_PX(&m) + (y - area->y0) * m.rs;
1066 d = NR_PIXBLOCK_PX(pb) + (y - area->y0) * pb->rs;
1067 for (int x = area->x0; x < area->x1; x++) {
1068 *d = NR_COMPOSEA_111(*s, *d);
1069 d ++;
1070 s ++;
1071 }
1072 }
1073 nr_pixblock_release(&m);
1074 pb->empty = FALSE;
1075 }
1077 return item->state;
1078 }
1080 static NRArenaItem *
1081 nr_arena_shape_pick(NRArenaItem *item, NR::Point p, double delta, unsigned int /*sticky*/)
1082 {
1083 NRArenaShape *shape = NR_ARENA_SHAPE(item);
1085 if (shape->repick_after > 0)
1086 shape->repick_after--;
1088 if (shape->repick_after > 0) // we are a slow, huge path. skip this pick, returning what was returned last time
1089 return shape->last_pick;
1091 if (!shape->curve) return NULL;
1092 if (!shape->style) return NULL;
1093 if (SP_SCALE24_TO_FLOAT(shape->style->opacity.value) == 0) // fully transparent, no pick
1094 return NULL;
1096 GTimeVal tstart, tfinish;
1097 g_get_current_time (&tstart);
1099 bool outline = (NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE);
1101 double width;
1102 if (outline) {
1103 width = 0.5;
1104 } else if (shape->_stroke.paint.type() != NRArenaShape::Paint::NONE && shape->_stroke.opacity > 1e-3) {
1105 float const scale = NR_MATRIX_DF_EXPANSION(&shape->ctm);
1106 width = MAX(0.125, shape->_stroke.width * scale) / 2;
1107 } else {
1108 width = 0;
1109 }
1111 NRBPath bp;
1112 bp.path = SP_CURVE_BPATH(shape->curve);
1113 double dist = NR_HUGE;
1114 int wind = 0;
1115 bool needfill = (shape->_fill.paint.type() != NRArenaShape::Paint::NONE
1116 && shape->_fill.opacity > 1e-3 && !outline);
1118 if (item->arena->canvasarena) {
1119 NR::Rect viewbox = item->arena->canvasarena->item.canvas->getViewbox();
1120 viewbox.growBy (width);
1121 nr_path_matrix_point_bbox_wind_distance(&bp, shape->ctm, p, NULL, needfill? &wind : NULL, &dist, 0.5, &viewbox);
1122 } else {
1123 nr_path_matrix_point_bbox_wind_distance(&bp, shape->ctm, p, NULL, needfill? &wind : NULL, &dist, 0.5, NULL);
1124 }
1126 g_get_current_time (&tfinish);
1127 glong this_pick = (tfinish.tv_sec - tstart.tv_sec) * 1000000 + (tfinish.tv_usec - tstart.tv_usec);
1128 //g_print ("pick time %lu\n", this_pick);
1130 if (this_pick > 10000) { // slow picking, remember to skip several new picks
1131 shape->repick_after = this_pick / 5000;
1132 }
1134 // covered by fill?
1135 if (needfill) {
1136 if (!shape->style->fill_rule.computed) {
1137 if (wind != 0) {
1138 shape->last_pick = item;
1139 return item;
1140 }
1141 } else {
1142 if (wind & 0x1) {
1143 shape->last_pick = item;
1144 return item;
1145 }
1146 }
1147 }
1149 // close to the edge, as defined by strokewidth and delta?
1150 // this ignores dashing (as if the stroke is solid) and always works as if caps are round
1151 if (needfill || width > 0) { // if either fill or stroke visible,
1152 if ((dist - width) < delta) {
1153 shape->last_pick = item;
1154 return item;
1155 }
1156 }
1158 // if not picked on the shape itself, try its markers
1159 for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) {
1160 NRArenaItem *ret = nr_arena_item_invoke_pick(child, p, delta, 0);
1161 if (ret) {
1162 shape->last_pick = item;
1163 return item;
1164 }
1165 }
1167 shape->last_pick = NULL;
1168 return NULL;
1169 }
1171 /**
1172 *
1173 * Requests a render of the shape, then if the shape is already a curve it
1174 * unrefs the old curve; if the new curve is valid it creates a copy of the
1175 * curve and adds it to the shape. Finally, it requests an update of the
1176 * arena for the shape.
1177 */
1178 void nr_arena_shape_set_path(NRArenaShape *shape, SPCurve *curve,bool justTrans)
1179 {
1180 g_return_if_fail(shape != NULL);
1181 g_return_if_fail(NR_IS_ARENA_SHAPE(shape));
1183 if ( justTrans == false ) {
1184 // dirty cached versions
1185 if ( shape->cached_fill ) {
1186 delete shape->cached_fill;
1187 shape->cached_fill=NULL;
1188 }
1189 if ( shape->cached_stroke ) {
1190 delete shape->cached_stroke;
1191 shape->cached_stroke=NULL;
1192 }
1193 }
1195 nr_arena_item_request_render(NR_ARENA_ITEM(shape));
1197 if (shape->curve) {
1198 sp_curve_unref(shape->curve);
1199 shape->curve = NULL;
1200 }
1202 if (curve) {
1203 shape->curve = curve;
1204 sp_curve_ref(curve);
1205 }
1207 nr_arena_item_request_update(NR_ARENA_ITEM(shape), NR_ARENA_ITEM_STATE_ALL, FALSE);
1208 }
1210 void NRArenaShape::setFill(SPPaintServer *server) {
1211 _fill.paint.set(server);
1212 _invalidateCachedFill();
1213 }
1215 void NRArenaShape::setFill(SPColor const &color) {
1216 _fill.paint.set(color);
1217 _invalidateCachedFill();
1218 }
1220 void NRArenaShape::setFillOpacity(double opacity) {
1221 _fill.opacity = opacity;
1222 _invalidateCachedFill();
1223 }
1225 void NRArenaShape::setFillRule(NRArenaShape::FillRule rule) {
1226 _fill.rule = rule;
1227 _invalidateCachedFill();
1228 }
1230 void NRArenaShape::setStroke(SPPaintServer *server) {
1231 _stroke.paint.set(server);
1232 _invalidateCachedStroke();
1233 }
1235 void NRArenaShape::setStroke(SPColor const &color) {
1236 _stroke.paint.set(color);
1237 _invalidateCachedStroke();
1238 }
1240 void NRArenaShape::setStrokeOpacity(double opacity) {
1241 _stroke.opacity = opacity;
1242 _invalidateCachedStroke();
1243 }
1245 void NRArenaShape::setStrokeWidth(double width) {
1246 _stroke.width = width;
1247 _invalidateCachedStroke();
1248 }
1250 void NRArenaShape::setMitreLimit(double limit) {
1251 _stroke.mitre_limit = limit;
1252 _invalidateCachedStroke();
1253 }
1255 void NRArenaShape::setLineCap(NRArenaShape::CapType cap) {
1256 _stroke.cap = cap;
1257 _invalidateCachedStroke();
1258 }
1260 void NRArenaShape::setLineJoin(NRArenaShape::JoinType join) {
1261 _stroke.join = join;
1262 _invalidateCachedStroke();
1263 }
1265 /** nr_arena_shape_set_style
1266 *
1267 * Unrefs any existing style and ref's to the given one, then requests an update of the arena
1268 */
1269 void
1270 nr_arena_shape_set_style(NRArenaShape *shape, SPStyle *style)
1271 {
1272 g_return_if_fail(shape != NULL);
1273 g_return_if_fail(NR_IS_ARENA_SHAPE(shape));
1275 if (style) sp_style_ref(style);
1276 if (shape->style) sp_style_unref(shape->style);
1277 shape->style = style;
1279 switch (style->fill.type) {
1280 case SP_PAINT_TYPE_NONE: {
1281 shape->setFill(NULL);
1282 break;
1283 }
1284 case SP_PAINT_TYPE_COLOR: {
1285 shape->setFill(style->fill.value.color);
1286 break;
1287 }
1288 case SP_PAINT_TYPE_PAINTSERVER: {
1289 shape->setFill(style->fill.value.paint.server);
1290 break;
1291 }
1292 default: {
1293 g_assert_not_reached();
1294 }
1295 }
1296 shape->setFillOpacity(SP_SCALE24_TO_FLOAT(style->fill_opacity.value));
1297 switch (style->fill_rule.computed) {
1298 case SP_WIND_RULE_EVENODD: {
1299 shape->setFillRule(NRArenaShape::EVEN_ODD);
1300 break;
1301 }
1302 case SP_WIND_RULE_NONZERO: {
1303 shape->setFillRule(NRArenaShape::NONZERO);
1304 break;
1305 }
1306 default: {
1307 g_assert_not_reached();
1308 }
1309 }
1311 switch (style->stroke.type) {
1312 case SP_PAINT_TYPE_NONE: {
1313 shape->setStroke(NULL);
1314 break;
1315 }
1316 case SP_PAINT_TYPE_COLOR: {
1317 shape->setStroke(style->stroke.value.color);
1318 break;
1319 }
1320 case SP_PAINT_TYPE_PAINTSERVER: {
1321 shape->setStroke(style->stroke.value.paint.server);
1322 break;
1323 }
1324 default: {
1325 g_assert_not_reached();
1326 }
1327 }
1328 shape->setStrokeWidth(style->stroke_width.computed);
1329 shape->setStrokeOpacity(SP_SCALE24_TO_FLOAT(style->stroke_opacity.value));
1330 switch (style->stroke_linecap.computed) {
1331 case SP_STROKE_LINECAP_ROUND: {
1332 shape->setLineCap(NRArenaShape::ROUND_CAP);
1333 break;
1334 }
1335 case SP_STROKE_LINECAP_SQUARE: {
1336 shape->setLineCap(NRArenaShape::SQUARE_CAP);
1337 break;
1338 }
1339 case SP_STROKE_LINECAP_BUTT: {
1340 shape->setLineCap(NRArenaShape::BUTT_CAP);
1341 break;
1342 }
1343 default: {
1344 g_assert_not_reached();
1345 }
1346 }
1347 switch (style->stroke_linejoin.computed) {
1348 case SP_STROKE_LINEJOIN_ROUND: {
1349 shape->setLineJoin(NRArenaShape::ROUND_JOIN);
1350 break;
1351 }
1352 case SP_STROKE_LINEJOIN_BEVEL: {
1353 shape->setLineJoin(NRArenaShape::BEVEL_JOIN);
1354 break;
1355 }
1356 case SP_STROKE_LINEJOIN_MITER: {
1357 shape->setLineJoin(NRArenaShape::MITRE_JOIN);
1358 break;
1359 }
1360 default: {
1361 g_assert_not_reached();
1362 }
1363 }
1364 shape->setMitreLimit(style->stroke_miterlimit.value);
1366 //if shape has a filter
1367 if (style->filter.set && style->filter.filter)
1368 {
1369 shape->filter = new NR::Filter();
1370 shape->filter->set_x(style->filter.filter->x);
1371 shape->filter->set_y(style->filter.filter->y);
1372 shape->filter->set_width(style->filter.filter->width);
1373 shape->filter->set_height(style->filter.filter->height);
1375 //go through all SP filter primitives
1376 for(int i=0; i<style->filter.filter->_primitive_count; i++)
1377 {
1378 SPFilterPrimitive *primitive = style->filter.filter->_primitives[i];
1379 //if primitive is gaussianblur
1380 if(SP_IS_GAUSSIANBLUR(primitive)) {
1381 NR::FilterGaussian * gaussian = (NR::FilterGaussian *) shape->filter->add_primitive(NR::NR_FILTER_GAUSSIANBLUR);
1382 SPGaussianBlur * spblur = SP_GAUSSIANBLUR(primitive);
1383 float num = spblur->stdDeviation.getNumber();
1384 if( num>=0.0 )
1385 {
1386 float optnum = spblur->stdDeviation.getOptNumber();
1387 if( optnum>=0.0 )
1388 gaussian->set_deviation((double) num, (double) optnum);
1389 else
1390 gaussian->set_deviation((double) num);
1391 }
1392 } else if(SP_IS_FEBLEND(primitive)) {
1393 // TODO: this is just a test. Besides this whole filter
1394 // creation needs to be redone
1395 NR::FilterBlend *nrblend = (NR::FilterBlend *) shape->filter->add_primitive(NR::NR_FILTER_BLEND);
1396 SPFeBlend *spblend = SP_FEBLEND(primitive);
1397 nrblend->set_mode(spblend->blend_mode);
1398 }
1399 }
1400 }
1401 else
1402 {
1403 //no filter set for this shape
1404 shape->filter = NULL;
1405 }
1407 nr_arena_item_request_update(shape, NR_ARENA_ITEM_STATE_ALL, FALSE);
1408 }
1410 void
1411 nr_arena_shape_set_paintbox(NRArenaShape *shape, NRRect const *pbox)
1412 {
1413 g_return_if_fail(shape != NULL);
1414 g_return_if_fail(NR_IS_ARENA_SHAPE(shape));
1415 g_return_if_fail(pbox != NULL);
1417 if ((pbox->x0 < pbox->x1) && (pbox->y0 < pbox->y1)) {
1418 shape->paintbox = *pbox;
1419 } else {
1420 /* fixme: We kill warning, although not sure what to do here (Lauris) */
1421 shape->paintbox.x0 = shape->paintbox.y0 = 0.0F;
1422 shape->paintbox.x1 = shape->paintbox.y1 = 256.0F;
1423 }
1425 nr_arena_item_request_update(shape, NR_ARENA_ITEM_STATE_ALL, FALSE);
1426 }
1428 void NRArenaShape::setPaintBox(NR::Rect const &pbox)
1429 {
1430 paintbox.x0 = pbox.min()[NR::X];
1431 paintbox.y0 = pbox.min()[NR::Y];
1432 paintbox.x1 = pbox.max()[NR::X];
1433 paintbox.y1 = pbox.max()[NR::Y];
1435 nr_arena_item_request_update(this, NR_ARENA_ITEM_STATE_ALL, FALSE);
1436 }
1438 static void
1439 shape_run_A8_OR(raster_info &dest,void */*data*/,int st,float vst,int en,float ven)
1440 {
1441 if ( st >= en ) return;
1442 if ( vst < 0 ) vst=0;
1443 if ( vst > 1 ) vst=1;
1444 if ( ven < 0 ) ven=0;
1445 if ( ven > 1 ) ven=1;
1446 float sv=vst;
1447 float dv=ven-vst;
1448 int len=en-st;
1449 unsigned char* d=(unsigned char*)dest.buffer;
1450 d+=(st-dest.startPix);
1451 if ( fabs(dv) < 0.001 ) {
1452 if ( vst > 0.999 ) {
1453 /* Simple copy */
1454 while (len > 0) {
1455 d[0] = 255;
1456 d += 1;
1457 len -= 1;
1458 }
1459 } else {
1460 sv*=256;
1461 unsigned int c0_24=(int)sv;
1462 c0_24&=0xFF;
1463 while (len > 0) {
1464 /* Draw */
1465 d[0] = NR_COMPOSEA_111(c0_24,d[0]);
1466 d += 1;
1467 len -= 1;
1468 }
1469 }
1470 } else {
1471 if ( en <= st+1 ) {
1472 sv=0.5*(vst+ven);
1473 sv*=256;
1474 unsigned int c0_24=(int)sv;
1475 c0_24&=0xFF;
1476 /* Draw */
1477 d[0] = NR_COMPOSEA_111(c0_24,d[0]);
1478 } else {
1479 dv/=len;
1480 sv+=0.5*dv; // correction trapezoidale
1481 sv*=16777216;
1482 dv*=16777216;
1483 int c0_24 = static_cast<int>(CLAMP(sv, 0, 16777216));
1484 int s0_24 = static_cast<int>(dv);
1485 while (len > 0) {
1486 unsigned int ca;
1487 /* Draw */
1488 ca = c0_24 >> 16;
1489 if ( ca > 255 ) ca=255;
1490 d[0] = NR_COMPOSEA_111(ca,d[0]);
1491 d += 1;
1492 c0_24 += s0_24;
1493 c0_24 = CLAMP(c0_24, 0, 16777216);
1494 len -= 1;
1495 }
1496 }
1497 }
1498 }
1500 void nr_pixblock_render_shape_mask_or(NRPixBlock &m,Shape* theS)
1501 {
1502 theS->CalcBBox();
1503 float l = theS->leftX, r = theS->rightX, t = theS->topY, b = theS->bottomY;
1504 int il,ir,it,ib;
1505 il=(int)floor(l);
1506 ir=(int)ceil(r);
1507 it=(int)floor(t);
1508 ib=(int)ceil(b);
1510 if ( il >= m.area.x1 || ir <= m.area.x0 || it >= m.area.y1 || ib <= m.area.y0 ) return;
1511 if ( il < m.area.x0 ) il=m.area.x0;
1512 if ( it < m.area.y0 ) it=m.area.y0;
1513 if ( ir > m.area.x1 ) ir=m.area.x1;
1514 if ( ib > m.area.y1 ) ib=m.area.y1;
1516 /* This is the FloatLigne version. See svn (prior to Apr 2006) for versions using BitLigne or direct BitLigne. */
1517 int curPt;
1518 float curY;
1519 theS->BeginQuickRaster(curY, curPt);
1521 FloatLigne *theI = new FloatLigne();
1522 IntLigne *theIL = new IntLigne();
1524 theS->DirectQuickScan(curY, curPt, (float) it, true, 1.0);
1526 char *mdata = (char*)m.data.px;
1527 if ( m.size == NR_PIXBLOCK_SIZE_TINY ) mdata=(char*)m.data.p;
1528 uint32_t *ligStart = ((uint32_t*)(mdata + ((il - m.area.x0) + m.rs * (it - m.area.y0))));
1529 for (int y = it; y < ib; y++) {
1530 theI->Reset();
1531 theS->QuickScan(curY, curPt, ((float)(y+1)), theI, 1.0);
1532 theI->Flatten();
1533 theIL->Copy(theI);
1535 raster_info dest;
1536 dest.startPix=il;
1537 dest.endPix=ir;
1538 dest.sth=il;
1539 dest.stv=y;
1540 dest.buffer=ligStart;
1541 theIL->Raster(dest, NULL, shape_run_A8_OR);
1542 ligStart=((uint32_t*)(((char*)ligStart)+m.rs));
1543 }
1544 theS->EndQuickRaster();
1545 delete theI;
1546 delete theIL;
1547 }
1550 /*
1551 Local Variables:
1552 mode:c++
1553 c-file-style:"stroustrup"
1554 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1555 indent-tabs-mode:nil
1556 fill-column:99
1557 End:
1558 */
1559 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :