a050acc9949ccaa476df11f51de3edf46068a907
1 #define __NR_ARENA_GLYPHS_C__
3 /*
4 * RGBA display list system for inkscape
5 *
6 * Author:
7 * Lauris Kaplinski <lauris@kaplinski.com>
8 *
9 * Copyright (C) 2002 Lauris Kaplinski
10 *
11 * Released under GNU GPL
12 *
13 */
16 #ifdef HAVE_CONFIG_H
17 # include <config.h>
18 #endif
19 #include <libnr/nr-blit.h>
20 #include <libnr/nr-path.h>
21 #include "../style.h"
22 #include "nr-arena.h"
23 #include "nr-arena-glyphs.h"
25 #ifdef test_glyph_liv
26 #include "../display/canvas-bpath.h"
27 #include <libnrtype/font-instance.h>
28 #include <libnrtype/raster-glyph.h>
29 #include <libnrtype/RasterFont.h>
31 // defined in nr-arena-shape.cpp
32 void nr_pixblock_render_shape_mask_or (NRPixBlock &m,Shape* theS);
33 #endif
35 static void nr_arena_glyphs_class_init (NRArenaGlyphsClass *klass);
36 static void nr_arena_glyphs_init (NRArenaGlyphs *glyphs);
37 static void nr_arena_glyphs_finalize (NRObject *object);
39 static guint nr_arena_glyphs_update (NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset);
40 static guint nr_arena_glyphs_clip (NRArenaItem *item, NRRectL *area, NRPixBlock *pb);
41 static NRArenaItem *nr_arena_glyphs_pick (NRArenaItem *item, NR::Point p, double delta, unsigned int sticky);
43 static NRArenaItemClass *glyphs_parent_class;
45 NRType
46 nr_arena_glyphs_get_type (void)
47 {
48 static NRType type = 0;
49 if (!type) {
50 type = nr_object_register_type (NR_TYPE_ARENA_ITEM,
51 "NRArenaGlyphs",
52 sizeof (NRArenaGlyphsClass),
53 sizeof (NRArenaGlyphs),
54 (void (*) (NRObjectClass *)) nr_arena_glyphs_class_init,
55 (void (*) (NRObject *)) nr_arena_glyphs_init);
56 }
57 return type;
58 }
60 static void
61 nr_arena_glyphs_class_init (NRArenaGlyphsClass *klass)
62 {
63 NRObjectClass *object_class;
64 NRArenaItemClass *item_class;
66 object_class = (NRObjectClass *) klass;
67 item_class = (NRArenaItemClass *) klass;
69 glyphs_parent_class = (NRArenaItemClass *) ((NRObjectClass *) klass)->parent;
71 object_class->finalize = nr_arena_glyphs_finalize;
72 object_class->cpp_ctor = NRObject::invoke_ctor<NRArenaGlyphs>;
74 item_class->update = nr_arena_glyphs_update;
75 item_class->clip = nr_arena_glyphs_clip;
76 item_class->pick = nr_arena_glyphs_pick;
77 }
79 static void
80 nr_arena_glyphs_init (NRArenaGlyphs *glyphs)
81 {
82 glyphs->style = NULL;
83 nr_matrix_set_identity(&glyphs->g_transform);
84 glyphs->font = NULL;
85 glyphs->glyph = 0;
87 glyphs->rfont = NULL;
88 glyphs->sfont = NULL;
89 glyphs->x = glyphs->y = 0.0;
91 // nr_matrix_set_identity(&glyphs->cached_tr);
92 // glyphs->cached_shp=NULL;
93 // glyphs->cached_shp_dirty=false;
94 // glyphs->cached_style_dirty=false;
96 // glyphs->stroke_shp=NULL;
97 }
99 static void
100 nr_arena_glyphs_finalize (NRObject *object)
101 {
102 NRArenaGlyphs *glyphs=static_cast<NRArenaGlyphs *>(object);
104 // if (glyphs->cached_shp) {
105 // delete glyphs->cached_shp;
106 // glyphs->cached_shp = NULL;
107 // }
108 // if (glyphs->stroke_shp) {
109 // delete glyphs->stroke_shp;
110 // glyphs->stroke_shp = NULL;
111 // }
113 if (glyphs->rfont) {
114 glyphs->rfont->Unref();
115 glyphs->rfont=NULL;
116 }
117 if (glyphs->sfont) {
118 glyphs->sfont->Unref();
119 glyphs->sfont=NULL;
120 }
122 if (glyphs->font) {
123 glyphs->font->Unref();
124 glyphs->font=NULL;
125 }
127 if (glyphs->style) {
128 sp_style_unref (glyphs->style);
129 glyphs->style = NULL;
130 }
132 ((NRObjectClass *) glyphs_parent_class)->finalize (object);
133 }
135 static guint
136 nr_arena_glyphs_update (NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset)
137 {
138 NRArenaGlyphs *glyphs;
139 raster_font *rfont;
141 glyphs = NR_ARENA_GLYPHS (item);
143 if (!glyphs->font || !glyphs->style) return NR_ARENA_ITEM_STATE_ALL;
144 if ((glyphs->style->fill.type == SP_PAINT_TYPE_NONE) && (glyphs->style->stroke.type == SP_PAINT_TYPE_NONE)) return NR_ARENA_ITEM_STATE_ALL;
146 NRRect bbox;
147 bbox.x0 = bbox.y0 = NR_HUGE;
148 bbox.x1 = bbox.y1 = -NR_HUGE;
150 float const scale = NR_MATRIX_DF_EXPANSION (&gc->transform);
152 if (glyphs->style->fill.type != SP_PAINT_TYPE_NONE) {
153 NRMatrix t;
154 nr_matrix_multiply (&t, &glyphs->g_transform, &gc->transform);
155 glyphs->x = t.c[4];
156 glyphs->y = t.c[5];
157 t.c[4]=0;
158 t.c[5]=0;
159 rfont = glyphs->font->RasterFont(t, 0);
160 if (glyphs->rfont) glyphs->rfont->Unref();
161 glyphs->rfont = rfont;
163 if (glyphs->style->stroke.type == SP_PAINT_TYPE_NONE || fabs(glyphs->style->stroke_width.computed * scale) <= 0.01) { // Optimization: do fill bbox only if there's no stroke
164 NRRect narea;
165 if ( glyphs->rfont ) glyphs->rfont->BBox(glyphs->glyph, &narea);
166 bbox.x0 = narea.x0 + glyphs->x;
167 bbox.y0 = narea.y0 + glyphs->y;
168 bbox.x1 = narea.x1 + glyphs->x;
169 bbox.y1 = narea.y1 + glyphs->y;
170 }
171 }
173 if (glyphs->style->stroke.type != SP_PAINT_TYPE_NONE) {
174 /* Build state data */
175 NRMatrix t;
176 nr_matrix_multiply (&t, &glyphs->g_transform, &gc->transform);
177 glyphs->x = t.c[4];
178 glyphs->y = t.c[5];
179 t.c[4]=0;
180 t.c[5]=0;
182 if ( fabs(glyphs->style->stroke_width.computed * scale) > 0.01 ) { // sinon c'est 0=oon veut pas de bord
183 font_style nstyl;
184 nstyl.transform = t;
185 nstyl.stroke_width=MAX (0.125, glyphs->style->stroke_width.computed * scale);
186 if ( glyphs->style->stroke_linecap.computed == SP_STROKE_LINECAP_BUTT ) nstyl.stroke_cap=butt_straight;
187 if ( glyphs->style->stroke_linecap.computed == SP_STROKE_LINECAP_ROUND ) nstyl.stroke_cap=butt_round;
188 if ( glyphs->style->stroke_linecap.computed == SP_STROKE_LINECAP_SQUARE ) nstyl.stroke_cap=butt_square;
189 if ( glyphs->style->stroke_linejoin.computed == SP_STROKE_LINEJOIN_MITER ) nstyl.stroke_join=join_pointy;
190 if ( glyphs->style->stroke_linejoin.computed == SP_STROKE_LINEJOIN_ROUND ) nstyl.stroke_join=join_round;
191 if ( glyphs->style->stroke_linejoin.computed == SP_STROKE_LINEJOIN_BEVEL ) nstyl.stroke_join=join_straight;
192 nstyl.stroke_miter_limit = glyphs->style->stroke_miterlimit.value;
193 nstyl.nbDash=0;
194 nstyl.dashes=NULL;
195 if ( glyphs->style->stroke_dash.n_dash > 0 ) {
196 nstyl.nbDash=glyphs->style->stroke_dash.n_dash;
197 nstyl.dashes=(double*)malloc(nstyl.nbDash*sizeof(double));
198 for (int i = 0; i < nstyl.nbDash; i++) nstyl.dashes[i]= glyphs->style->stroke_dash.dash[i] * scale;
199 }
200 rfont = glyphs->font->RasterFont( nstyl);
201 if ( nstyl.dashes ) free(nstyl.dashes);
202 if (glyphs->sfont) glyphs->sfont->Unref();
203 glyphs->sfont = rfont;
205 NRRect narea;
206 if ( glyphs->sfont ) glyphs->sfont->BBox(glyphs->glyph, &narea);
207 narea.x0-=nstyl.stroke_width;
208 narea.y0-=nstyl.stroke_width;
209 narea.x1+=nstyl.stroke_width;
210 narea.y1+=nstyl.stroke_width;
211 bbox.x0 = narea.x0 + glyphs->x;
212 bbox.y0 = narea.y0 + glyphs->y;
213 bbox.x1 = narea.x1 + glyphs->x;
214 bbox.y1 = narea.y1 + glyphs->y;
215 }
216 }
217 if (nr_rect_d_test_empty(&bbox)) return NR_ARENA_ITEM_STATE_ALL;
219 item->bbox.x0 = (gint32)(bbox.x0 - 1.0);
220 item->bbox.y0 = (gint32)(bbox.y0 - 1.0);
221 item->bbox.x1 = (gint32)(bbox.x1 + 1.0);
222 item->bbox.y1 = (gint32)(bbox.y1 + 1.0);
223 nr_arena_request_render_rect (item->arena, &item->bbox);
225 return NR_ARENA_ITEM_STATE_ALL;
226 }
228 static guint
229 nr_arena_glyphs_clip (NRArenaItem *item, NRRectL *area, NRPixBlock *pb)
230 {
231 NRArenaGlyphs *glyphs;
233 glyphs = NR_ARENA_GLYPHS (item);
235 if (!glyphs->font ) return item->state;
237 /* TODO : render to greyscale pixblock provided for clipping */
239 return item->state;
240 }
242 static NRArenaItem *
243 nr_arena_glyphs_pick (NRArenaItem *item, NR::Point p, gdouble delta, unsigned int sticky)
244 {
245 NRArenaGlyphs *glyphs;
247 glyphs = NR_ARENA_GLYPHS (item);
249 if (!glyphs->font ) return NULL;
250 if (!glyphs->style) return NULL;
252 double const x = p[NR::X];
253 double const y = p[NR::Y];
254 /* With text we take a simple approach: pick if the point is in a characher bbox */
255 if ((x >= item->bbox.x0) && (y >= item->bbox.y0) && (x <= item->bbox.x1) && (y <= item->bbox.y1)) return item;
257 /* NR::Point const thePt = p;
258 if (glyphs->stroke_shp && (glyphs->style->stroke.type != SP_PAINT_TYPE_NONE)) {
259 if (glyphs->stroke_shp->PtWinding(thePt) > 0 ) return item;
260 }
261 if (delta > 1e-3) {
262 if (glyphs->stroke_shp && (glyphs->style->stroke.type != SP_PAINT_TYPE_NONE)) {
263 if ( glyphs->stroke_shp->DistanceLE(thePt, delta)) return item;
264 }
265 }*/
267 return NULL;
268 }
270 void
271 nr_arena_glyphs_set_path (NRArenaGlyphs *glyphs, SPCurve *curve, unsigned int lieutenant, font_instance *font, gint glyph, NRMatrix const *transform)
272 {
273 nr_return_if_fail (glyphs != NULL);
274 nr_return_if_fail (NR_IS_ARENA_GLYPHS (glyphs));
276 nr_arena_item_request_render (NR_ARENA_ITEM (glyphs));
278 // glyphs->cached_shp_dirty=true;
280 if (transform) {
281 glyphs->g_transform = *transform;
282 } else {
283 nr_matrix_set_identity (&glyphs->g_transform);
284 }
286 //printf("glyph_setpath ");
287 if ( font ) font->Ref();
288 if ( glyphs->font ) glyphs->font->Unref();
289 glyphs->font=font;
290 glyphs->glyph = glyph;
292 nr_arena_item_request_update (NR_ARENA_ITEM (glyphs), NR_ARENA_ITEM_STATE_ALL, FALSE);
293 }
295 void
296 nr_arena_glyphs_set_style (NRArenaGlyphs *glyphs, SPStyle *style)
297 {
298 nr_return_if_fail (glyphs != NULL);
299 nr_return_if_fail (NR_IS_ARENA_GLYPHS (glyphs));
301 // glyphs->cached_style_dirty=true;
303 if (style) sp_style_ref (style);
304 if (glyphs->style) sp_style_unref (glyphs->style);
305 glyphs->style = style;
307 nr_arena_item_request_update (NR_ARENA_ITEM (glyphs), NR_ARENA_ITEM_STATE_ALL, FALSE);
308 }
310 static guint
311 nr_arena_glyphs_fill_mask (NRArenaGlyphs *glyphs, NRRectL *area, NRPixBlock *m)
312 {
313 NRArenaItem *item;
315 /* fixme: area == m->area, so merge these */
317 item = NR_ARENA_ITEM (glyphs);
319 if (glyphs->rfont && nr_rect_l_test_intersect (area, &item->bbox)) {
320 raster_glyph* g=glyphs->rfont->GetGlyph(glyphs->glyph);
321 if ( g ) g->Blit(NR::Point(glyphs->x, glyphs->y),*m);
322 }
324 return item->state;
325 }
327 static guint
328 nr_arena_glyphs_stroke_mask (NRArenaGlyphs *glyphs, NRRectL *area, NRPixBlock *m)
329 {
330 NRArenaItem *item;
332 item = NR_ARENA_ITEM (glyphs);
333 if (glyphs->sfont && nr_rect_l_test_intersect (area, &item->bbox)) {
334 raster_glyph* g=glyphs->sfont->GetGlyph(glyphs->glyph);
335 if ( g ) g->Blit(NR::Point(glyphs->x, glyphs->y),*m);
336 }
337 /* if (glyphs->stroke_shp && nr_rect_l_test_intersect (area, &item->bbox)) {
338 NRPixBlock gb;
339 gint x, y;
340 nr_pixblock_setup_fast (&gb, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
341 // art_gray_svp_aa is just fillung apparently
342 // dunno why it's used here instead of its libnr counterpart
343 nr_pixblock_render_shape_mask_or (gb,glyphs->stroke_shp);
344 for (y = area->y0; y < area->y1; y++) {
345 guchar *d, *s;
346 d = NR_PIXBLOCK_PX (m) + (y - area->y0) * m->rs;
347 s = NR_PIXBLOCK_PX (&gb) + (y - area->y0) * gb.rs;
348 for (x = area->x0; x < area->x1; x++) {
349 *d = (*d) + ((255 - *d) * (*s) / 255);
350 d += 1;
351 s += 1;
352 }
353 }
354 nr_pixblock_release (&gb);
355 m->empty = FALSE;
356 }*/
358 return item->state;
359 }
361 static void nr_arena_glyphs_group_class_init (NRArenaGlyphsGroupClass *klass);
362 static void nr_arena_glyphs_group_init (NRArenaGlyphsGroup *group);
363 static void nr_arena_glyphs_group_finalize (NRObject *object);
365 static guint nr_arena_glyphs_group_update (NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset);
366 static unsigned int nr_arena_glyphs_group_render (NRArenaItem *item, NRRectL *area, NRPixBlock *pb, unsigned int flags);
367 static unsigned int nr_arena_glyphs_group_clip (NRArenaItem *item, NRRectL *area, NRPixBlock *pb);
368 static NRArenaItem *nr_arena_glyphs_group_pick (NRArenaItem *item, NR::Point p, gdouble delta, unsigned int sticky);
370 static NRArenaGroupClass *group_parent_class;
372 NRType
373 nr_arena_glyphs_group_get_type (void)
374 {
375 static NRType type = 0;
376 if (!type) {
377 type = nr_object_register_type (NR_TYPE_ARENA_GROUP,
378 "NRArenaGlyphsGroup",
379 sizeof (NRArenaGlyphsGroupClass),
380 sizeof (NRArenaGlyphsGroup),
381 (void (*) (NRObjectClass *)) nr_arena_glyphs_group_class_init,
382 (void (*) (NRObject *)) nr_arena_glyphs_group_init);
383 }
384 return type;
385 }
387 static void
388 nr_arena_glyphs_group_class_init (NRArenaGlyphsGroupClass *klass)
389 {
390 NRObjectClass *object_class;
391 NRArenaItemClass *item_class;
393 object_class = (NRObjectClass *) klass;
394 item_class = (NRArenaItemClass *) klass;
396 group_parent_class = (NRArenaGroupClass *) ((NRObjectClass *) klass)->parent;
398 object_class->finalize = nr_arena_glyphs_group_finalize;
399 object_class->cpp_ctor = NRObject::invoke_ctor<NRArenaGlyphsGroup>;
401 item_class->update = nr_arena_glyphs_group_update;
402 item_class->render = nr_arena_glyphs_group_render;
403 item_class->clip = nr_arena_glyphs_group_clip;
404 item_class->pick = nr_arena_glyphs_group_pick;
405 }
407 static void
408 nr_arena_glyphs_group_init (NRArenaGlyphsGroup *group)
409 {
410 group->style = NULL;
411 group->paintbox.x0 = group->paintbox.y0 = 0.0F;
412 group->paintbox.x1 = group->paintbox.y1 = 1.0F;
414 group->fill_painter = NULL;
415 group->stroke_painter = NULL;
416 }
418 static void
419 nr_arena_glyphs_group_finalize (NRObject *object)
420 {
421 NRArenaGlyphsGroup *group=static_cast<NRArenaGlyphsGroup *>(object);
423 if (group->fill_painter) {
424 sp_painter_free (group->fill_painter);
425 group->fill_painter = NULL;
426 }
428 if (group->stroke_painter) {
429 sp_painter_free (group->stroke_painter);
430 group->stroke_painter = NULL;
431 }
433 if (group->style) {
434 sp_style_unref (group->style);
435 group->style = NULL;
436 }
438 ((NRObjectClass *) group_parent_class)->finalize (object);
439 }
441 static guint
442 nr_arena_glyphs_group_update (NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset)
443 {
444 NRArenaGlyphsGroup *group = NR_ARENA_GLYPHS_GROUP (item);
446 if (group->fill_painter) {
447 sp_painter_free (group->fill_painter);
448 group->fill_painter = NULL;
449 }
451 if (group->stroke_painter) {
452 sp_painter_free (group->stroke_painter);
453 group->stroke_painter = NULL;
454 }
456 item->render_opacity = TRUE;
457 if (group->style->fill.type == SP_PAINT_TYPE_PAINTSERVER) {
458 group->fill_painter = sp_paint_server_painter_new (SP_STYLE_FILL_SERVER (group->style),
459 NR::Matrix (&gc->transform), NR::Matrix (&gc->parent->transform),
460 &group->paintbox);
461 item->render_opacity = FALSE;
462 }
464 if (group->style->stroke.type == SP_PAINT_TYPE_PAINTSERVER) {
465 group->stroke_painter = sp_paint_server_painter_new (SP_STYLE_STROKE_SERVER (group->style),
466 NR::Matrix (&gc->transform), NR::Matrix (&gc->parent->transform),
467 &group->paintbox);
468 item->render_opacity = FALSE;
469 }
471 if ( item->render_opacity == TRUE && group->style->stroke.type != SP_PAINT_TYPE_NONE && group->style->fill.type != SP_PAINT_TYPE_NONE ) {
472 item->render_opacity=FALSE;
473 }
475 if (((NRArenaItemClass *) group_parent_class)->update)
476 return ((NRArenaItemClass *) group_parent_class)->update (item, area, gc, state, reset);
478 return NR_ARENA_ITEM_STATE_ALL;
479 }
481 /* This sucks - as soon, as we have inheritable renderprops, do something with that opacity */
483 static unsigned int
484 nr_arena_glyphs_group_render (NRArenaItem *item, NRRectL *area, NRPixBlock *pb, unsigned int flags)
485 {
486 NRArenaItem *child;
488 NRArenaGroup *group = NR_ARENA_GROUP (item);
489 NRArenaGlyphsGroup *ggroup = NR_ARENA_GLYPHS_GROUP (item);
490 SPStyle const *style = ggroup->style;
492 guint ret = item->state;
494 /* Fill */
495 if (style->fill.type != SP_PAINT_TYPE_NONE || item->arena->rendermode == RENDERMODE_OUTLINE) {
496 NRPixBlock m;
497 nr_pixblock_setup_fast (&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
499 /* Render children fill mask */
500 for (child = group->children; child != NULL; child = child->next) {
501 ret = nr_arena_glyphs_fill_mask (NR_ARENA_GLYPHS (child), area, &m);
502 if (!(ret & NR_ARENA_ITEM_STATE_RENDER)) {
503 nr_pixblock_release (&m);
504 return ret;
505 }
506 }
508 /* Composite into buffer */
509 if (style->fill.type == SP_PAINT_TYPE_COLOR || item->arena->rendermode == RENDERMODE_OUTLINE) {
510 guint32 rgba;
511 if (item->arena->rendermode == RENDERMODE_OUTLINE) {
512 // In outline mode, render fill only, using outlinecolor
513 rgba = item->arena->outlinecolor;
514 } else if ( item->render_opacity ) {
515 rgba = sp_color_get_rgba32_falpha (&style->fill.value.color,
516 SP_SCALE24_TO_FLOAT (style->fill_opacity.value) *
517 SP_SCALE24_TO_FLOAT (style->opacity.value));
518 } else {
519 rgba = sp_color_get_rgba32_falpha (&style->fill.value.color, SP_SCALE24_TO_FLOAT (style->fill_opacity.value));
520 }
521 nr_blit_pixblock_mask_rgba32 (pb, &m, rgba);
522 pb->empty = FALSE;
523 } else if (style->fill.type == SP_PAINT_TYPE_PAINTSERVER) {
524 if (ggroup->fill_painter) {
525 nr_arena_render_paintserver_fill (pb, area, ggroup->fill_painter, SP_SCALE24_TO_FLOAT (style->fill_opacity.value), &m);
526 }
527 }
529 nr_pixblock_release (&m);
530 }
532 /* Stroke */
533 if (style->stroke.type != SP_PAINT_TYPE_NONE && !(item->arena->rendermode == RENDERMODE_OUTLINE)) {
534 NRPixBlock m;
535 guint32 rgba;
536 nr_pixblock_setup_fast (&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
537 /* Render children stroke mask */
538 for (child = group->children; child != NULL; child = child->next) {
539 ret = nr_arena_glyphs_stroke_mask (NR_ARENA_GLYPHS (child), area, &m);
540 if (!(ret & NR_ARENA_ITEM_STATE_RENDER)) {
541 nr_pixblock_release (&m);
542 return ret;
543 }
544 }
545 /* Composite into buffer */
546 switch (style->stroke.type) {
547 case SP_PAINT_TYPE_COLOR:
548 if ( item->render_opacity ) {
549 rgba = sp_color_get_rgba32_falpha (&style->stroke.value.color,
550 SP_SCALE24_TO_FLOAT (style->stroke_opacity.value) *
551 SP_SCALE24_TO_FLOAT (style->opacity.value));
552 } else {
553 rgba = sp_color_get_rgba32_falpha (&style->stroke.value.color,
554 SP_SCALE24_TO_FLOAT (style->stroke_opacity.value));
555 }
556 nr_blit_pixblock_mask_rgba32 (pb, &m, rgba);
557 pb->empty = FALSE;
558 break;
559 case SP_PAINT_TYPE_PAINTSERVER:
560 if (ggroup->stroke_painter) {
561 nr_arena_render_paintserver_fill (pb, area, ggroup->stroke_painter, SP_SCALE24_TO_FLOAT (style->stroke_opacity.value), &m);
562 }
563 break;
564 default:
565 break;
566 }
567 nr_pixblock_release (&m);
568 }
570 return ret;
571 }
573 static unsigned int
574 nr_arena_glyphs_group_clip (NRArenaItem *item, NRRectL *area, NRPixBlock *pb)
575 {
576 NRArenaGroup *group = NR_ARENA_GROUP (item);
578 guint ret = item->state;
580 /* Render children fill mask */
581 for (NRArenaItem *child = group->children; child != NULL; child = child->next) {
582 ret = nr_arena_glyphs_fill_mask (NR_ARENA_GLYPHS (child), area, pb);
583 if (!(ret & NR_ARENA_ITEM_STATE_RENDER)) return ret;
584 }
586 return ret;
587 }
589 static NRArenaItem *
590 nr_arena_glyphs_group_pick (NRArenaItem *item, NR::Point p, gdouble delta, unsigned int sticky)
591 {
592 NRArenaItem *picked = NULL;
594 if (((NRArenaItemClass *) group_parent_class)->pick)
595 picked = ((NRArenaItemClass *) group_parent_class)->pick (item, p, delta, sticky);
597 if (picked) picked = item;
599 return picked;
600 }
602 void
603 nr_arena_glyphs_group_clear (NRArenaGlyphsGroup *sg)
604 {
605 NRArenaGroup *group = NR_ARENA_GROUP (sg);
607 nr_arena_item_request_render (NR_ARENA_ITEM (group));
609 while (group->children) {
610 nr_arena_item_remove_child (NR_ARENA_ITEM (group), group->children);
611 }
612 }
614 void
615 nr_arena_glyphs_group_add_component (NRArenaGlyphsGroup *sg, font_instance *font, int glyph, NRMatrix const *transform)
616 {
617 NRArenaGroup *group;
618 NRBPath bpath;
620 group = NR_ARENA_GROUP (sg);
622 if ( font ) bpath.path=(NArtBpath*)font->ArtBPath(glyph); else bpath.path=NULL;
623 if ( bpath.path ) {
625 nr_arena_item_request_render (NR_ARENA_ITEM (group));
627 NRArenaItem *new_arena;
628 new_arena = NRArenaGlyphs::create(group->arena);
629 nr_arena_item_append_child (NR_ARENA_ITEM (group), new_arena);
630 nr_arena_item_unref (new_arena);
631 nr_arena_glyphs_set_path (NR_ARENA_GLYPHS (new_arena), NULL, FALSE, font, glyph, transform);
632 nr_arena_glyphs_set_style (NR_ARENA_GLYPHS (new_arena), sg->style);
633 }
635 }
637 void
638 nr_arena_glyphs_group_set_style (NRArenaGlyphsGroup *sg, SPStyle *style)
639 {
640 NRArenaGroup *group;
641 NRArenaItem *child;
643 nr_return_if_fail (sg != NULL);
644 nr_return_if_fail (NR_IS_ARENA_GLYPHS_GROUP (sg));
646 group = NR_ARENA_GROUP (sg);
648 if (style) sp_style_ref (style);
649 if (sg->style) sp_style_unref (sg->style);
650 sg->style = style;
652 for (child = group->children; child != NULL; child = child->next) {
653 nr_return_if_fail (NR_IS_ARENA_GLYPHS (child));
654 nr_arena_glyphs_set_style (NR_ARENA_GLYPHS (child), sg->style);
655 }
657 nr_arena_item_request_update (NR_ARENA_ITEM (sg), NR_ARENA_ITEM_STATE_ALL, FALSE);
658 }
660 void
661 nr_arena_glyphs_group_set_paintbox (NRArenaGlyphsGroup *gg, NRRect const *pbox)
662 {
663 nr_return_if_fail (gg != NULL);
664 nr_return_if_fail (NR_IS_ARENA_GLYPHS_GROUP (gg));
665 nr_return_if_fail (pbox != NULL);
667 if ((pbox->x0 < pbox->x1) && (pbox->y0 < pbox->y1)) {
668 gg->paintbox.x0 = pbox->x0;
669 gg->paintbox.y0 = pbox->y0;
670 gg->paintbox.x1 = pbox->x1;
671 gg->paintbox.y1 = pbox->y1;
672 } else {
673 /* fixme: We kill warning, although not sure what to do here (Lauris) */
674 gg->paintbox.x0 = gg->paintbox.y0 = 0.0F;
675 gg->paintbox.x1 = gg->paintbox.y1 = 256.0F;
676 }
678 nr_arena_item_request_update (NR_ARENA_ITEM (gg), NR_ARENA_ITEM_STATE_ALL, FALSE);
679 }