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 <libnr/n-art-bpath.h>
22 #include <libnr/nr-matrix-ops.h>
23 #include <libnr/nr-matrix-fns.h>
24 #include "../style.h"
25 #include "nr-arena.h"
26 #include "nr-arena-glyphs.h"
27 #include <cairo.h>
28 #include "inkscape-cairo.h"
30 #ifdef test_glyph_liv
31 #include "../display/canvas-bpath.h"
32 #include <libnrtype/font-instance.h>
33 #include <libnrtype/raster-glyph.h>
34 #include <libnrtype/RasterFont.h>
36 // defined in nr-arena-shape.cpp
37 void nr_pixblock_render_shape_mask_or(NRPixBlock &m, Shape *theS);
38 #endif
40 static void nr_arena_glyphs_class_init(NRArenaGlyphsClass *klass);
41 static void nr_arena_glyphs_init(NRArenaGlyphs *glyphs);
42 static void nr_arena_glyphs_finalize(NRObject *object);
44 static guint nr_arena_glyphs_update(NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset);
45 static guint nr_arena_glyphs_clip(NRArenaItem *item, NRRectL *area, NRPixBlock *pb);
46 static NRArenaItem *nr_arena_glyphs_pick(NRArenaItem *item, NR::Point p, double delta, unsigned int sticky);
48 static NRArenaItemClass *glyphs_parent_class;
50 NRType
51 nr_arena_glyphs_get_type(void)
52 {
53 static NRType type = 0;
54 if (!type) {
55 type = nr_object_register_type(NR_TYPE_ARENA_ITEM,
56 "NRArenaGlyphs",
57 sizeof(NRArenaGlyphsClass),
58 sizeof(NRArenaGlyphs),
59 (void (*)(NRObjectClass *)) nr_arena_glyphs_class_init,
60 (void (*)(NRObject *)) nr_arena_glyphs_init);
61 }
62 return type;
63 }
65 static void
66 nr_arena_glyphs_class_init(NRArenaGlyphsClass *klass)
67 {
68 NRObjectClass *object_class;
69 NRArenaItemClass *item_class;
71 object_class = (NRObjectClass *) klass;
72 item_class = (NRArenaItemClass *) klass;
74 glyphs_parent_class = (NRArenaItemClass *) ((NRObjectClass *) klass)->parent;
76 object_class->finalize = nr_arena_glyphs_finalize;
77 object_class->cpp_ctor = NRObject::invoke_ctor<NRArenaGlyphs>;
79 item_class->update = nr_arena_glyphs_update;
80 item_class->clip = nr_arena_glyphs_clip;
81 item_class->pick = nr_arena_glyphs_pick;
82 }
84 static void
85 nr_arena_glyphs_init(NRArenaGlyphs *glyphs)
86 {
87 glyphs->style = NULL;
88 nr_matrix_set_identity(&glyphs->g_transform);
89 glyphs->font = NULL;
90 glyphs->glyph = 0;
92 glyphs->rfont = NULL;
93 glyphs->sfont = NULL;
94 glyphs->x = glyphs->y = 0.0;
95 }
97 static void
98 nr_arena_glyphs_finalize(NRObject *object)
99 {
100 NRArenaGlyphs *glyphs = static_cast<NRArenaGlyphs *>(object);
102 if (glyphs->rfont) {
103 glyphs->rfont->Unref();
104 glyphs->rfont=NULL;
105 }
106 if (glyphs->sfont) {
107 glyphs->sfont->Unref();
108 glyphs->sfont=NULL;
109 }
111 if (glyphs->font) {
112 glyphs->font->Unref();
113 glyphs->font=NULL;
114 }
116 if (glyphs->style) {
117 sp_style_unref(glyphs->style);
118 glyphs->style = NULL;
119 }
121 ((NRObjectClass *) glyphs_parent_class)->finalize(object);
122 }
124 static guint
125 nr_arena_glyphs_update(NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset)
126 {
127 NRArenaGlyphs *glyphs;
128 raster_font *rfont;
130 glyphs = NR_ARENA_GLYPHS(item);
132 if (!glyphs->font || !glyphs->style) return NR_ARENA_ITEM_STATE_ALL;
133 if ((glyphs->style->fill.type == SP_PAINT_TYPE_NONE) && (glyphs->style->stroke.type == SP_PAINT_TYPE_NONE)) return NR_ARENA_ITEM_STATE_ALL;
135 NRRect bbox;
136 bbox.x0 = bbox.y0 = NR_HUGE;
137 bbox.x1 = bbox.y1 = -NR_HUGE;
139 float const scale = NR_MATRIX_DF_EXPANSION(&gc->transform);
141 if (glyphs->style->fill.type != SP_PAINT_TYPE_NONE) {
142 NRMatrix t;
143 nr_matrix_multiply(&t, &glyphs->g_transform, &gc->transform);
144 glyphs->x = t.c[4];
145 glyphs->y = t.c[5];
146 t.c[4]=0;
147 t.c[5]=0;
148 rfont = glyphs->font->RasterFont(t, 0);
149 if (glyphs->rfont) glyphs->rfont->Unref();
150 glyphs->rfont = rfont;
152 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
153 NRRect narea;
154 if ( glyphs->rfont ) glyphs->rfont->BBox(glyphs->glyph, &narea);
155 bbox.x0 = narea.x0 + glyphs->x;
156 bbox.y0 = narea.y0 + glyphs->y;
157 bbox.x1 = narea.x1 + glyphs->x;
158 bbox.y1 = narea.y1 + glyphs->y;
159 }
160 }
162 if (glyphs->style->stroke.type != SP_PAINT_TYPE_NONE) {
163 /* Build state data */
164 NRMatrix t;
165 nr_matrix_multiply(&t, &glyphs->g_transform, &gc->transform);
166 glyphs->x = t.c[4];
167 glyphs->y = t.c[5];
168 t.c[4]=0;
169 t.c[5]=0;
171 if ( fabs(glyphs->style->stroke_width.computed * scale) > 0.01 ) { // sinon c'est 0=oon veut pas de bord
172 font_style nstyl;
173 nstyl.transform = t;
174 nstyl.stroke_width=MAX(0.125, glyphs->style->stroke_width.computed * scale);
175 if ( glyphs->style->stroke_linecap.computed == SP_STROKE_LINECAP_BUTT ) nstyl.stroke_cap=butt_straight;
176 if ( glyphs->style->stroke_linecap.computed == SP_STROKE_LINECAP_ROUND ) nstyl.stroke_cap=butt_round;
177 if ( glyphs->style->stroke_linecap.computed == SP_STROKE_LINECAP_SQUARE ) nstyl.stroke_cap=butt_square;
178 if ( glyphs->style->stroke_linejoin.computed == SP_STROKE_LINEJOIN_MITER ) nstyl.stroke_join=join_pointy;
179 if ( glyphs->style->stroke_linejoin.computed == SP_STROKE_LINEJOIN_ROUND ) nstyl.stroke_join=join_round;
180 if ( glyphs->style->stroke_linejoin.computed == SP_STROKE_LINEJOIN_BEVEL ) nstyl.stroke_join=join_straight;
181 nstyl.stroke_miter_limit = glyphs->style->stroke_miterlimit.value;
182 nstyl.nbDash=0;
183 nstyl.dashes=NULL;
184 if ( glyphs->style->stroke_dash.n_dash > 0 ) {
185 nstyl.nbDash=glyphs->style->stroke_dash.n_dash;
186 nstyl.dashes=(double*)malloc(nstyl.nbDash*sizeof(double));
187 for (int i = 0; i < nstyl.nbDash; i++) nstyl.dashes[i]= glyphs->style->stroke_dash.dash[i] * scale;
188 }
189 rfont = glyphs->font->RasterFont( nstyl);
190 if ( nstyl.dashes ) free(nstyl.dashes);
191 if (glyphs->sfont) glyphs->sfont->Unref();
192 glyphs->sfont = rfont;
194 NRRect narea;
195 if ( glyphs->sfont ) glyphs->sfont->BBox(glyphs->glyph, &narea);
196 narea.x0-=nstyl.stroke_width;
197 narea.y0-=nstyl.stroke_width;
198 narea.x1+=nstyl.stroke_width;
199 narea.y1+=nstyl.stroke_width;
200 bbox.x0 = narea.x0 + glyphs->x;
201 bbox.y0 = narea.y0 + glyphs->y;
202 bbox.x1 = narea.x1 + glyphs->x;
203 bbox.y1 = narea.y1 + glyphs->y;
204 }
205 }
206 if (nr_rect_d_test_empty(&bbox)) return NR_ARENA_ITEM_STATE_ALL;
208 item->bbox.x0 = (gint32)(bbox.x0 - 1.0);
209 item->bbox.y0 = (gint32)(bbox.y0 - 1.0);
210 item->bbox.x1 = (gint32)(bbox.x1 + 1.0);
211 item->bbox.y1 = (gint32)(bbox.y1 + 1.0);
212 nr_arena_request_render_rect(item->arena, &item->bbox);
214 return NR_ARENA_ITEM_STATE_ALL;
215 }
217 static guint
218 nr_arena_glyphs_clip(NRArenaItem *item, NRRectL *area, NRPixBlock *pb)
219 {
220 NRArenaGlyphs *glyphs;
222 glyphs = NR_ARENA_GLYPHS(item);
224 if (!glyphs->font ) return item->state;
226 /* TODO : render to greyscale pixblock provided for clipping */
228 return item->state;
229 }
231 static NRArenaItem *
232 nr_arena_glyphs_pick(NRArenaItem *item, NR::Point p, gdouble delta, unsigned int sticky)
233 {
234 NRArenaGlyphs *glyphs;
236 glyphs = NR_ARENA_GLYPHS(item);
238 if (!glyphs->font ) return NULL;
239 if (!glyphs->style) return NULL;
241 double const x = p[NR::X];
242 double const y = p[NR::Y];
243 /* With text we take a simple approach: pick if the point is in a characher bbox */
244 if ((x >= item->bbox.x0) && (y >= item->bbox.y0) && (x <= item->bbox.x1) && (y <= item->bbox.y1)) return item;
246 return NULL;
247 }
249 void
250 nr_arena_glyphs_set_path(NRArenaGlyphs *glyphs, SPCurve *curve, unsigned int lieutenant, font_instance *font, gint glyph, NRMatrix const *transform)
251 {
252 nr_return_if_fail(glyphs != NULL);
253 nr_return_if_fail(NR_IS_ARENA_GLYPHS(glyphs));
255 nr_arena_item_request_render(NR_ARENA_ITEM(glyphs));
257 if (transform) {
258 glyphs->g_transform = *transform;
259 } else {
260 nr_matrix_set_identity(&glyphs->g_transform);
261 }
263 if (font) font->Ref();
264 if (glyphs->font) glyphs->font->Unref();
265 glyphs->font=font;
266 glyphs->glyph = glyph;
268 nr_arena_item_request_update(NR_ARENA_ITEM(glyphs), NR_ARENA_ITEM_STATE_ALL, FALSE);
269 }
271 void
272 nr_arena_glyphs_set_style(NRArenaGlyphs *glyphs, SPStyle *style)
273 {
274 nr_return_if_fail(glyphs != NULL);
275 nr_return_if_fail(NR_IS_ARENA_GLYPHS(glyphs));
277 if (style) sp_style_ref(style);
278 if (glyphs->style) sp_style_unref(glyphs->style);
279 glyphs->style = style;
281 nr_arena_item_request_update(NR_ARENA_ITEM(glyphs), NR_ARENA_ITEM_STATE_ALL, FALSE);
282 }
284 static guint
285 nr_arena_glyphs_fill_mask(NRArenaGlyphs *glyphs, NRRectL *area, NRPixBlock *m)
286 {
287 /* fixme: area == m->area, so merge these */
289 NRArenaItem *item = NR_ARENA_ITEM(glyphs);
291 if (glyphs->rfont && nr_rect_l_test_intersect(area, &item->bbox)) {
292 raster_glyph *g = glyphs->rfont->GetGlyph(glyphs->glyph);
293 if ( g ) g->Blit(NR::Point(glyphs->x, glyphs->y), *m);
294 }
296 return item->state;
297 }
299 static guint
300 nr_arena_glyphs_stroke_mask(NRArenaGlyphs *glyphs, NRRectL *area, NRPixBlock *m)
301 {
302 NRArenaItem *item = NR_ARENA_ITEM(glyphs);
303 if (glyphs->sfont && nr_rect_l_test_intersect(area, &item->bbox)) {
304 raster_glyph *g=glyphs->sfont->GetGlyph(glyphs->glyph);
305 if ( g ) g->Blit(NR::Point(glyphs->x, glyphs->y),*m);
306 }
308 return item->state;
309 }
311 static void nr_arena_glyphs_group_class_init(NRArenaGlyphsGroupClass *klass);
312 static void nr_arena_glyphs_group_init(NRArenaGlyphsGroup *group);
313 static void nr_arena_glyphs_group_finalize(NRObject *object);
315 static guint nr_arena_glyphs_group_update(NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset);
316 static unsigned int nr_arena_glyphs_group_render(cairo_t *ct, NRArenaItem *item, NRRectL *area, NRPixBlock *pb, unsigned int flags);
317 static unsigned int nr_arena_glyphs_group_clip(NRArenaItem *item, NRRectL *area, NRPixBlock *pb);
318 static NRArenaItem *nr_arena_glyphs_group_pick(NRArenaItem *item, NR::Point p, gdouble delta, unsigned int sticky);
320 static NRArenaGroupClass *group_parent_class;
322 NRType
323 nr_arena_glyphs_group_get_type(void)
324 {
325 static NRType type = 0;
326 if (!type) {
327 type = nr_object_register_type(NR_TYPE_ARENA_GROUP,
328 "NRArenaGlyphsGroup",
329 sizeof(NRArenaGlyphsGroupClass),
330 sizeof(NRArenaGlyphsGroup),
331 (void (*)(NRObjectClass *)) nr_arena_glyphs_group_class_init,
332 (void (*)(NRObject *)) nr_arena_glyphs_group_init);
333 }
334 return type;
335 }
337 static void
338 nr_arena_glyphs_group_class_init(NRArenaGlyphsGroupClass *klass)
339 {
340 NRObjectClass *object_class;
341 NRArenaItemClass *item_class;
343 object_class = (NRObjectClass *) klass;
344 item_class = (NRArenaItemClass *) klass;
346 group_parent_class = (NRArenaGroupClass *) ((NRObjectClass *) klass)->parent;
348 object_class->finalize = nr_arena_glyphs_group_finalize;
349 object_class->cpp_ctor = NRObject::invoke_ctor<NRArenaGlyphsGroup>;
351 item_class->update = nr_arena_glyphs_group_update;
352 item_class->render = nr_arena_glyphs_group_render;
353 item_class->clip = nr_arena_glyphs_group_clip;
354 item_class->pick = nr_arena_glyphs_group_pick;
355 }
357 static void
358 nr_arena_glyphs_group_init(NRArenaGlyphsGroup *group)
359 {
360 group->style = NULL;
361 group->paintbox.x0 = group->paintbox.y0 = 0.0F;
362 group->paintbox.x1 = group->paintbox.y1 = 1.0F;
364 group->fill_painter = NULL;
365 group->stroke_painter = NULL;
366 }
368 static void
369 nr_arena_glyphs_group_finalize(NRObject *object)
370 {
371 NRArenaGlyphsGroup *group=static_cast<NRArenaGlyphsGroup *>(object);
373 if (group->fill_painter) {
374 sp_painter_free(group->fill_painter);
375 group->fill_painter = NULL;
376 }
378 if (group->stroke_painter) {
379 sp_painter_free(group->stroke_painter);
380 group->stroke_painter = NULL;
381 }
383 if (group->style) {
384 sp_style_unref(group->style);
385 group->style = NULL;
386 }
388 ((NRObjectClass *) group_parent_class)->finalize(object);
389 }
391 static guint
392 nr_arena_glyphs_group_update(NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset)
393 {
394 NRArenaGlyphsGroup *group = NR_ARENA_GLYPHS_GROUP(item);
396 if (group->fill_painter) {
397 sp_painter_free(group->fill_painter);
398 group->fill_painter = NULL;
399 }
401 if (group->stroke_painter) {
402 sp_painter_free(group->stroke_painter);
403 group->stroke_painter = NULL;
404 }
406 item->render_opacity = TRUE;
407 if (group->style->fill.type == SP_PAINT_TYPE_PAINTSERVER) {
408 group->fill_painter = sp_paint_server_painter_new(SP_STYLE_FILL_SERVER(group->style),
409 NR::Matrix(&gc->transform), NR::Matrix(&gc->parent->transform),
410 &group->paintbox);
411 item->render_opacity = FALSE;
412 }
414 if (group->style->stroke.type == SP_PAINT_TYPE_PAINTSERVER) {
415 group->stroke_painter = sp_paint_server_painter_new(SP_STYLE_STROKE_SERVER(group->style),
416 NR::Matrix(&gc->transform), NR::Matrix(&gc->parent->transform),
417 &group->paintbox);
418 item->render_opacity = FALSE;
419 }
421 if ( item->render_opacity == TRUE && group->style->stroke.type != SP_PAINT_TYPE_NONE && group->style->fill.type != SP_PAINT_TYPE_NONE ) {
422 item->render_opacity=FALSE;
423 }
425 if (((NRArenaItemClass *) group_parent_class)->update)
426 return ((NRArenaItemClass *) group_parent_class)->update(item, area, gc, state, reset);
428 return NR_ARENA_ITEM_STATE_ALL;
429 }
432 static unsigned int
433 nr_arena_glyphs_group_render(cairo_t *ctt, NRArenaItem *item, NRRectL *area, NRPixBlock *pb, unsigned int flags)
434 {
435 NRArenaItem *child;
437 NRArenaGroup *group = NR_ARENA_GROUP(item);
438 NRArenaGlyphsGroup *ggroup = NR_ARENA_GLYPHS_GROUP(item);
439 SPStyle const *style = ggroup->style;
441 guint ret = item->state;
443 if (item->arena->rendermode == RENDERMODE_OUTLINE) {
445 cairo_t *ct = nr_create_cairo_context (area, pb);
447 if (!ct)
448 return item->state;
450 guint32 rgba = item->arena->outlinecolor;
451 cairo_set_source_rgba(ct, SP_RGBA32_R_F(rgba), SP_RGBA32_G_F(rgba), SP_RGBA32_B_F(rgba), SP_RGBA32_A_F(rgba));
452 cairo_set_tolerance(ct, 1.25); // low quality, but good enough for outline mode
454 for (child = group->children; child != NULL; child = child->next) {
455 NRArenaGlyphs *g = NR_ARENA_GLYPHS(child);
457 NArtBpath *bpath = (NArtBpath *) g->font->ArtBPath(g->glyph);
459 cairo_new_path(ct);
460 NR::Matrix g_t(g->g_transform);
461 feed_curve_to_cairo (ct, bpath, g_t * group->ctm, NR::Point(area->x0, area->y0));
462 cairo_fill(ct);
463 }
465 cairo_surface_t *cst = cairo_get_target(ct);
466 cairo_destroy (ct);
467 cairo_surface_finish (cst);
468 cairo_surface_destroy (cst);
470 pb->empty = FALSE;
471 return ret;
472 }
477 /* Fill */
478 if (style->fill.type != SP_PAINT_TYPE_NONE || item->arena->rendermode == RENDERMODE_OUTLINE) {
479 NRPixBlock m;
480 nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
482 // if memory allocation failed, abort
483 if (m.size != NR_PIXBLOCK_SIZE_TINY && m.data.px == NULL) {
484 nr_pixblock_release (&m);
485 return (item->state);
486 }
488 m.visible_area = pb->visible_area;
490 /* Render children fill mask */
491 for (child = group->children; child != NULL; child = child->next) {
492 ret = nr_arena_glyphs_fill_mask(NR_ARENA_GLYPHS(child), area, &m);
493 if (!(ret & NR_ARENA_ITEM_STATE_RENDER)) {
494 nr_pixblock_release(&m);
495 return ret;
496 }
497 }
499 /* Composite into buffer */
500 if (style->fill.type == SP_PAINT_TYPE_COLOR || item->arena->rendermode == RENDERMODE_OUTLINE) {
501 guint32 rgba;
502 if (item->arena->rendermode == RENDERMODE_OUTLINE) {
503 // In outline mode, render fill only, using outlinecolor
504 rgba = item->arena->outlinecolor;
505 } else if ( item->render_opacity ) {
506 rgba = sp_color_get_rgba32_falpha(&style->fill.value.color,
507 SP_SCALE24_TO_FLOAT(style->fill_opacity.value) *
508 SP_SCALE24_TO_FLOAT(style->opacity.value));
509 } else {
510 rgba = sp_color_get_rgba32_falpha(&style->fill.value.color, SP_SCALE24_TO_FLOAT(style->fill_opacity.value));
511 }
512 nr_blit_pixblock_mask_rgba32(pb, &m, rgba);
513 pb->empty = FALSE;
514 } else if (style->fill.type == SP_PAINT_TYPE_PAINTSERVER) {
515 if (ggroup->fill_painter) {
516 nr_arena_render_paintserver_fill(pb, area, ggroup->fill_painter, SP_SCALE24_TO_FLOAT(style->fill_opacity.value), &m);
517 }
518 }
520 nr_pixblock_release(&m);
521 }
523 /* Stroke */
524 if (style->stroke.type != SP_PAINT_TYPE_NONE && !(item->arena->rendermode == RENDERMODE_OUTLINE)) {
525 NRPixBlock m;
526 guint32 rgba;
527 nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
529 // if memory allocation failed, abort
530 if (m.size != NR_PIXBLOCK_SIZE_TINY && m.data.px == NULL) {
531 nr_pixblock_release (&m);
532 return (item->state);
533 }
535 m.visible_area = pb->visible_area;
536 /* Render children stroke mask */
537 for (child = group->children; child != NULL; child = child->next) {
538 ret = nr_arena_glyphs_stroke_mask(NR_ARENA_GLYPHS(child), area, &m);
539 if (!(ret & NR_ARENA_ITEM_STATE_RENDER)) {
540 nr_pixblock_release(&m);
541 return ret;
542 }
543 }
544 /* Composite into buffer */
545 switch (style->stroke.type) {
546 case SP_PAINT_TYPE_COLOR:
547 if ( item->render_opacity ) {
548 rgba = sp_color_get_rgba32_falpha(&style->stroke.value.color,
549 SP_SCALE24_TO_FLOAT(style->stroke_opacity.value) *
550 SP_SCALE24_TO_FLOAT(style->opacity.value));
551 } else {
552 rgba = sp_color_get_rgba32_falpha(&style->stroke.value.color,
553 SP_SCALE24_TO_FLOAT(style->stroke_opacity.value));
554 }
555 nr_blit_pixblock_mask_rgba32(pb, &m, rgba);
556 pb->empty = FALSE;
557 break;
558 case SP_PAINT_TYPE_PAINTSERVER:
559 if (ggroup->stroke_painter) {
560 nr_arena_render_paintserver_fill(pb, area, ggroup->stroke_painter, SP_SCALE24_TO_FLOAT(style->stroke_opacity.value), &m);
561 }
562 break;
563 default:
564 break;
565 }
566 nr_pixblock_release(&m);
567 }
569 return ret;
570 }
572 static unsigned int
573 nr_arena_glyphs_group_clip(NRArenaItem *item, NRRectL *area, NRPixBlock *pb)
574 {
575 NRArenaGroup *group = NR_ARENA_GROUP(item);
577 guint ret = item->state;
579 /* Render children fill mask */
580 for (NRArenaItem *child = group->children; child != NULL; child = child->next) {
581 ret = nr_arena_glyphs_fill_mask(NR_ARENA_GLYPHS(child), area, pb);
582 if (!(ret & NR_ARENA_ITEM_STATE_RENDER)) return ret;
583 }
585 return ret;
586 }
588 static NRArenaItem *
589 nr_arena_glyphs_group_pick(NRArenaItem *item, NR::Point p, gdouble delta, unsigned int sticky)
590 {
591 NRArenaItem *picked = NULL;
593 if (((NRArenaItemClass *) group_parent_class)->pick)
594 picked = ((NRArenaItemClass *) group_parent_class)->pick(item, p, delta, sticky);
596 if (picked) picked = item;
598 return picked;
599 }
601 void
602 nr_arena_glyphs_group_clear(NRArenaGlyphsGroup *sg)
603 {
604 NRArenaGroup *group = NR_ARENA_GROUP(sg);
606 nr_arena_item_request_render(NR_ARENA_ITEM(group));
608 while (group->children) {
609 nr_arena_item_remove_child(NR_ARENA_ITEM(group), group->children);
610 }
611 }
613 void
614 nr_arena_glyphs_group_add_component(NRArenaGlyphsGroup *sg, font_instance *font, int glyph, NRMatrix const *transform)
615 {
616 NRArenaGroup *group;
617 NRBPath bpath;
619 group = NR_ARENA_GROUP(sg);
621 bpath.path = ( font
622 ? (NArtBpath *) font->ArtBPath(glyph)
623 : NULL );
624 if ( bpath.path ) {
626 nr_arena_item_request_render(NR_ARENA_ITEM(group));
628 NRArenaItem *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 }
634 }
636 void
637 nr_arena_glyphs_group_set_style(NRArenaGlyphsGroup *sg, SPStyle *style)
638 {
639 nr_return_if_fail(sg != NULL);
640 nr_return_if_fail(NR_IS_ARENA_GLYPHS_GROUP(sg));
642 NRArenaGroup *group = NR_ARENA_GROUP(sg);
644 if (style) sp_style_ref(style);
645 if (sg->style) sp_style_unref(sg->style);
646 sg->style = style;
648 for (NRArenaItem *child = group->children; child != NULL; child = child->next) {
649 nr_return_if_fail(NR_IS_ARENA_GLYPHS(child));
650 nr_arena_glyphs_set_style(NR_ARENA_GLYPHS(child), sg->style);
651 }
653 nr_arena_item_request_update(NR_ARENA_ITEM(sg), NR_ARENA_ITEM_STATE_ALL, FALSE);
654 }
656 void
657 nr_arena_glyphs_group_set_paintbox(NRArenaGlyphsGroup *gg, NRRect const *pbox)
658 {
659 nr_return_if_fail(gg != NULL);
660 nr_return_if_fail(NR_IS_ARENA_GLYPHS_GROUP(gg));
661 nr_return_if_fail(pbox != NULL);
663 if ((pbox->x0 < pbox->x1) && (pbox->y0 < pbox->y1)) {
664 gg->paintbox.x0 = pbox->x0;
665 gg->paintbox.y0 = pbox->y0;
666 gg->paintbox.x1 = pbox->x1;
667 gg->paintbox.y1 = pbox->y1;
668 } else {
669 /* fixme: We kill warning, although not sure what to do here (Lauris) */
670 gg->paintbox.x0 = gg->paintbox.y0 = 0.0F;
671 gg->paintbox.x1 = gg->paintbox.y1 = 256.0F;
672 }
674 nr_arena_item_request_update(NR_ARENA_ITEM(gg), NR_ARENA_ITEM_STATE_ALL, FALSE);
675 }
678 /*
679 Local Variables:
680 mode:c++
681 c-file-style:"stroustrup"
682 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
683 indent-tabs-mode:nil
684 fill-column:99
685 End:
686 */
687 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :