summaryrefslogtreecommitdiffstats
path: root/src/object/sp-rect.cpp
blob: fda6ee402f3b58aba0dae86f36bfad141ceae2fd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * SVG <rect> implementation
 *
 * Authors:
 *   Lauris Kaplinski <lauris@kaplinski.com>
 *   bulia byak <buliabyak@users.sf.net>
 *
 * Copyright (C) 1999-2002 Lauris Kaplinski
 * Copyright (C) 2000-2001 Ximian, Inc.
 *
 * Released under GNU GPL v2+, read the file 'COPYING' for more information.
 */

#include "display/curve.h"

#include "inkscape.h"
#include "document.h"
#include "attributes.h"
#include "style.h"
#include "sp-rect.h"
#include "sp-guide.h"
#include "preferences.h"
#include "svg/svg.h"
#include <glibmm/i18n.h>

#define noRECT_VERBOSE

//#define OBJECT_TRACE

SPRect::SPRect() : SPShape() {
}

SPRect::~SPRect() = default;

void SPRect::build(SPDocument* doc, Inkscape::XML::Node* repr) {
#ifdef OBJECT_TRACE
    objectTrace( "SPRect::build" );
#endif

    SPShape::build(doc, repr);

    this->readAttr("x");
    this->readAttr("y");
    this->readAttr("width");
    this->readAttr("height");
    this->readAttr("rx");
    this->readAttr("ry");

#ifdef OBJECT_TRACE
    objectTrace( "SPRect::build", false );
#endif
}

void SPRect::set(SPAttributeEnum key, gchar const *value) {

#ifdef OBJECT_TRACE
    std::stringstream temp;
    temp << "SPRect::set: " << key  << " " << (value?value:"null");
    objectTrace( temp.str() );
#endif

    /* fixme: We need real error processing some time */

    // We must update the SVGLengths immediately or nodes may be misplaced after they are moved.
    double const w = viewport.width();
    double const h = viewport.height();
    double const em = style->font_size.computed;
    double const ex = em * 0.5;

    switch (key) {
        case SP_ATTR_X:
            this->x.readOrUnset(value);
            this->x.update( em, ex, w );
            this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
            break;

        case SP_ATTR_Y:
            this->y.readOrUnset(value);
            this->y.update( em, ex, h );
            this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
            break;

        case SP_ATTR_WIDTH:
            if (!this->width.read(value) || this->width.value < 0.0) {
            	this->width.unset();
            }
            this->width.update( em, ex, w );
            this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
            break;

        case SP_ATTR_HEIGHT:
            if (!this->height.read(value) || this->height.value < 0.0) {
            	this->height.unset();
            }
            this->height.update( em, ex, h );
            this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
            break;

        case SP_ATTR_RX:
            if (!this->rx.read(value) || this->rx.value <= 0.0) {
            	this->rx.unset();
            }
            this->rx.update( em, ex, w );
            this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
            break;

        case SP_ATTR_RY:
            if (!this->ry.read(value) || this->ry.value <= 0.0) {
            	this->ry.unset();
            }
            this->ry.update( em, ex, h );
            this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
            break;

        default:
            SPShape::set(key, value);
            break;
    }
#ifdef OBJECT_TRACE
    objectTrace( "SPRect::set", false );
#endif
}

void SPRect::update(SPCtx* ctx, unsigned int flags) {

#ifdef OBJECT_TRACE
    objectTrace( "SPRect::update", true, flags );
#endif

    if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) {
        SPItemCtx const *ictx = reinterpret_cast<SPItemCtx const *>(ctx);

        double const w = ictx->viewport.width();
        double const h = ictx->viewport.height();
        double const em = style->font_size.computed;
        double const ex = 0.5 * em;  // fixme: get x height from pango or libnrtype.

        this->x.update(em, ex, w);
        this->y.update(em, ex, h);
        this->width.update(em, ex, w);
        this->height.update(em, ex, h);
        this->rx.update(em, ex, w);
        this->ry.update(em, ex, h);
        this->set_shape();

        flags &= ~SP_OBJECT_USER_MODIFIED_FLAG_B; // since we change the description, it's not a "just translation" anymore
    }

    SPShape::update(ctx, flags);
#ifdef OBJECT_TRACE
    objectTrace( "SPRect::update", false, flags );
#endif
}

Inkscape::XML::Node * SPRect::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) {

#ifdef OBJECT_TRACE
    objectTrace( "SPRect::write", true, flags );
#endif

    if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
        repr = xml_doc->createElement("svg:rect");
    }
    if (this->hasPathEffectOnClipOrMaskRecursive(this) && repr && strcmp(repr->name(), "svg:rect") == 0) {
        repr->setCodeUnsafe(g_quark_from_string("svg:path"));
        repr->setAttribute("sodipodi:type", "rect");
    }
    sp_repr_set_svg_length(repr, "width",  this->width);
    sp_repr_set_svg_length(repr, "height", this->height);

    if (this->rx._set) {
    	sp_repr_set_svg_length(repr, "rx", this->rx);
    }

    if (this->ry._set) {
    	sp_repr_set_svg_length(repr, "ry", this->ry);
    }

    sp_repr_set_svg_length(repr, "x", this->x);
    sp_repr_set_svg_length(repr, "y", this->y);
    // write d=
    if (strcmp(repr->name(), "svg:rect") != 0) {
        set_rect_path_attribute(repr); // include set_shape()
    } else {
        this->set_shape(); // evaluate SPCurve
    }
    SPShape::write(xml_doc, repr, flags);

#ifdef OBJECT_TRACE
    objectTrace( "SPRect::write", false, flags );
#endif

    return repr;
}

const char* SPRect::displayName() const {
    return _("Rectangle");
}

#define C1 0.554

void SPRect::set_shape() {
    if (hasBrokenPathEffect()) {
        g_warning("The rect shape has unknown LPE on it!");

        if (this->getRepr()->attribute("d")) {
            // unconditionally read the curve from d, if any, to preserve appearance
            Geom::PathVector pv = sp_svg_read_pathv(this->getRepr()->attribute("d"));
            SPCurve *cold = new SPCurve(pv);
            this->setCurveInsync(cold);
            this->setCurveBeforeLPE( cold );
            cold->unref();
        }

        return;
    }
    if ((this->height.computed < 1e-18) || (this->width.computed < 1e-18)) {
    	this->setCurveInsync(nullptr);
    	this->setCurveBeforeLPE(nullptr);
        return;
    }

    SPCurve *c = new SPCurve();

    double const x = this->x.computed;
    double const y = this->y.computed;
    double const w = this->width.computed;
    double const h = this->height.computed;
    double const w2 = w / 2;
    double const h2 = h / 2;
    double const rx = std::min(( this->rx._set
                                 ? this->rx.computed
                                 : ( this->ry._set
                                     ? this->ry.computed
                                     : 0.0 ) ),
                               .5 * this->width.computed);
    double const ry = std::min(( this->ry._set
                                 ? this->ry.computed
                                 : ( this->rx._set
                                     ? this->rx.computed
                                     : 0.0 ) ),
                               .5 * this->height.computed);
    /* TODO: Handle negative rx or ry as per
     * http://www.w3.org/TR/SVG11/shapes.html#RectElementRXAttribute once Inkscape has proper error
     * handling (see http://www.w3.org/TR/SVG11/implnote.html#ErrorProcessing).
     */

    /* We don't use proper circular/elliptical arcs, but bezier curves can approximate a 90-degree
     * arc fairly well.
     */
    if ((rx > 1e-18) && (ry > 1e-18)) {
        c->moveto(x + rx, y);

        if (rx < w2) {
        	c->lineto(x + w - rx, y);
        }

        c->curveto(x + w - rx * (1 - C1), y, x + w, y + ry * (1 - C1), x + w, y + ry);

        if (ry < h2) {
        	c->lineto(x + w, y + h - ry);
        }

        c->curveto(x + w, y + h - ry * (1 - C1), x + w - rx * (1 - C1), y + h, x + w - rx, y + h);

        if (rx < w2) {
        	c->lineto(x + rx, y + h);
        }

        c->curveto(x + rx * (1 - C1), y + h, x, y + h - ry * (1 - C1), x, y + h - ry);

        if (ry < h2) {
        	c->lineto(x, y + ry);
        }

        c->curveto(x, y + ry * (1 - C1), x + rx * (1 - C1), y, x + rx, y);
    } else {
        c->moveto(x + 0.0, y + 0.0);
        c->lineto(x + w, y + 0.0);
        c->lineto(x + w, y + h);
        c->lineto(x + 0.0, y + h);
    }

    c->closepath();


    /* Reset the shape's curve to the "original_curve"
    * This is very important for LPEs to work properly! (the bbox might be recalculated depending on the curve in shape)*/
    SPCurve * before = this->getCurveBeforeLPE();
    bool haslpe = this->hasPathEffectOnClipOrMaskRecursive(this);
    if (before || haslpe) {
        if (c && before && before->get_pathvector() != c->get_pathvector()){
            this->setCurveBeforeLPE(c);
            sp_lpe_item_update_patheffect(this, true, false);
        } else if(haslpe) {
            this->setCurveBeforeLPE(c);
        } else {
            //This happends on undo, fix bug:#1791784
            this->setCurveInsync(c);
        }
    } else {
        this->setCurveInsync(c);
    }
    if (before) {
        before->unref();
    }
    if (this->hasPathEffectOnClipOrMaskRecursive(this)) {
        Inkscape::XML::Node *rectrepr = this->getRepr();
        if (strcmp(rectrepr->name(), "svg:rect") == 0) {
            sp_lpe_item_update_patheffect(this, true, false);
            this->write(rectrepr->document(), rectrepr, SP_OBJECT_MODIFIED_FLAG);
        }
    }
    c->unref();
}

bool SPRect::set_rect_path_attribute(Inkscape::XML::Node *repr)
{
    // Make sure our pathvector is up to date.
    this->set_shape();

    if (_curve) {
        gchar *d = sp_svg_write_path(_curve->get_pathvector());

        repr->setAttribute("d", d);

        g_free(d);
    } else {
        repr->removeAttribute("d");
    }

    return true;
}

void SPRect::modified(guint flags)
{
    if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) {
        this->set_shape();
    }

    SPShape::modified(flags);
}

/* fixme: Think (Lauris) */

void SPRect::setPosition(gdouble x, gdouble y, gdouble width, gdouble height) {
    this->x = x;
    this->y = y;
    this->width = width;
    this->height = height;

    this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}

void SPRect::setRx(bool set, gdouble value) {
    this->rx._set = set;

    if (set) {
    	this->rx = value;
    }

    this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}

void SPRect::setRy(bool set, gdouble value) {
    this->ry._set = set;

    if (set) {
    	this->ry = value;
    }

    this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}

void SPRect::update_patheffect(bool write) {
    SPShape::update_patheffect(write);
}

Geom::Affine SPRect::set_transform(Geom::Affine const& xform) {
    if (pathEffectsEnabled() && !optimizeTransforms()) {
        return xform;
    }
    notifyTransform(xform);
    /* Calculate rect start in parent coords. */
    Geom::Point pos(Geom::Point(this->x.computed, this->y.computed) * xform);

    /* This function takes care of translation and scaling, we return whatever parts we can't
       handle. */
    Geom::Affine ret(Geom::Affine(xform).withoutTranslation());
    gdouble const sw = hypot(ret[0], ret[1]);
    gdouble const sh = hypot(ret[2], ret[3]);

    if (sw > 1e-9) {
        ret[0] /= sw;
        ret[1] /= sw;
    } else {
        ret[0] = 1.0;
        ret[1] = 0.0;
    }

    if (sh > 1e-9) {
        ret[2] /= sh;
        ret[3] /= sh;
    } else {
        ret[2] = 0.0;
        ret[3] = 1.0;
    }

    /* Preserve units */
    this->width.scale( sw );
    this->height.scale( sh );

    if (this->rx._set) {
    	this->rx.scale( sw );
    }

    if (this->ry._set) {
    	this->ry.scale( sh );
    }

    /* Find start in item coords */
    pos = pos * ret.inverse();
    this->x = pos[Geom::X];
    this->y = pos[Geom::Y];

    this->set_shape();

    // Adjust stroke width
    this->adjust_stroke(sqrt(fabs(sw * sh)));

    // Adjust pattern fill
    this->adjust_pattern(xform * ret.inverse());

    // Adjust gradient fill
    this->adjust_gradient(xform * ret.inverse());

    return ret;
}


/**
Returns the ratio in which the vector from p0 to p1 is stretched by transform
 */
gdouble SPRect::vectorStretch(Geom::Point p0, Geom::Point p1, Geom::Affine xform) {
    if (p0 == p1) {
        return 0;
    }

    return (Geom::distance(p0 * xform, p1 * xform) / Geom::distance(p0, p1));
}

void SPRect::setVisibleRx(gdouble rx) {
    if (rx == 0) {
        this->rx.unset();
    } else {
    	this->rx = rx / SPRect::vectorStretch(
            Geom::Point(this->x.computed + 1, this->y.computed),
            Geom::Point(this->x.computed, this->y.computed),
            this->i2doc_affine());
    }

    this->updateRepr();
}

void SPRect::setVisibleRy(gdouble ry) {
    if (ry == 0) {
    	this->ry.unset();
    } else {
    	this->ry = ry / SPRect::vectorStretch(
            Geom::Point(this->x.computed, this->y.computed + 1),
            Geom::Point(this->x.computed, this->y.computed),
            this->i2doc_affine());
    }

    this->updateRepr();
}

gdouble SPRect::getVisibleRx() const {
    if (!this->rx._set) {
        return 0;
    }

    return this->rx.computed * SPRect::vectorStretch(
        Geom::Point(this->x.computed + 1, this->y.computed),
        Geom::Point(this->x.computed, this->y.computed),
        this->i2doc_affine());
}

gdouble SPRect::getVisibleRy() const {
    if (!this->ry._set) {
        return 0;
    }

    return this->ry.computed * SPRect::vectorStretch(
        Geom::Point(this->x.computed, this->y.computed + 1),
        Geom::Point(this->x.computed, this->y.computed),
        this->i2doc_affine());
}

Geom::Rect SPRect::getRect() const {
    Geom::Point p0 = Geom::Point(this->x.computed, this->y.computed);
    Geom::Point p2 = Geom::Point(this->x.computed + this->width.computed, this->y.computed + this->height.computed);

    return Geom::Rect(p0, p2);
}

void SPRect::compensateRxRy(Geom::Affine xform) {
    if (this->rx.computed == 0 && this->ry.computed == 0) {
        return; // nothing to compensate
    }

    // test unit vectors to find out compensation:
    Geom::Point c(this->x.computed, this->y.computed);
    Geom::Point cx = c + Geom::Point(1, 0);
    Geom::Point cy = c + Geom::Point(0, 1);

    // apply previous transform if any
    c *= this->transform;
    cx *= this->transform;
    cy *= this->transform;

    // find out stretches that we need to compensate
    gdouble eX = SPRect::vectorStretch(cx, c, xform);
    gdouble eY = SPRect::vectorStretch(cy, c, xform);

    // If only one of the radii is set, set both radii so they have the same visible length
    // This is needed because if we just set them the same length in SVG, they might end up unequal because of transform
    if ((this->rx._set && !this->ry._set) || (this->ry._set && !this->rx._set)) {
        gdouble r = MAX(this->rx.computed, this->ry.computed);
        this->rx = r / eX;
        this->ry = r / eY;
    } else {
    	this->rx = this->rx.computed / eX;
    	this->ry = this->ry.computed / eY;
    }

    // Note that a radius may end up larger than half-side if the rect is scaled down;
    // that's ok because this preserves the intended radii in case the rect is enlarged again,
    // and set_shape will take care of trimming too large radii when generating d=
}

void SPRect::setVisibleWidth(gdouble width) {
    this->width = width / SPRect::vectorStretch(
        Geom::Point(this->x.computed + 1, this->y.computed),
        Geom::Point(this->x.computed, this->y.computed),
        this->i2doc_affine());

    this->updateRepr();
}

void SPRect::setVisibleHeight(gdouble height) {
    this->height = height / SPRect::vectorStretch(
        Geom::Point(this->x.computed, this->y.computed + 1),
        Geom::Point(this->x.computed, this->y.computed),
        this->i2doc_affine());

	this->updateRepr();
}

gdouble SPRect::getVisibleWidth() const {
    if (!this->width._set) {
        return 0;
    }

    return this->width.computed * SPRect::vectorStretch(
        Geom::Point(this->x.computed + 1, this->y.computed),
        Geom::Point(this->x.computed, this->y.computed),
        this->i2doc_affine());
}

gdouble SPRect::getVisibleHeight() const {
    if (!this->height._set) {
        return 0;
    }

    return this->height.computed * SPRect::vectorStretch(
        Geom::Point(this->x.computed, this->y.computed + 1),
        Geom::Point(this->x.computed, this->y.computed),
        this->i2doc_affine());
}

void SPRect::snappoints(std::vector<Inkscape::SnapCandidatePoint> &p, Inkscape::SnapPreferences const *snapprefs) const {
    /* This method overrides sp_shape_snappoints, which is the default for any shape. The default method
    returns all eight points along the path of a rounded rectangle, but not the real corners. Snapping
    the startpoint and endpoint of each rounded corner is not very useful and really confusing. Instead
    we could snap either the real corners, or not snap at all. Bulia Byak opted to snap the real corners,
    but it should be noted that this might be confusing in some cases with relatively large radii. With
    small radii though the user will easily understand which point is snapping. */

    Geom::Affine const i2dt (this->i2dt_affine ());

    Geom::Point p0 = Geom::Point(this->x.computed, this->y.computed) * i2dt;
    Geom::Point p1 = Geom::Point(this->x.computed, this->y.computed + this->height.computed) * i2dt;
    Geom::Point p2 = Geom::Point(this->x.computed + this->width.computed, this->y.computed + this->height.computed) * i2dt;
    Geom::Point p3 = Geom::Point(this->x.computed + this->width.computed, this->y.computed) * i2dt;

    if (snapprefs->isTargetSnappable(Inkscape::SNAPTARGET_RECT_CORNER)) {
        p.emplace_back(p0, Inkscape::SNAPSOURCE_RECT_CORNER, Inkscape::SNAPTARGET_RECT_CORNER);
        p.emplace_back(p1, Inkscape::SNAPSOURCE_RECT_CORNER, Inkscape::SNAPTARGET_RECT_CORNER);
        p.emplace_back(p2, Inkscape::SNAPSOURCE_RECT_CORNER, Inkscape::SNAPTARGET_RECT_CORNER);
        p.emplace_back(p3, Inkscape::SNAPSOURCE_RECT_CORNER, Inkscape::SNAPTARGET_RECT_CORNER);
    }

    if (snapprefs->isTargetSnappable(Inkscape::SNAPTARGET_LINE_MIDPOINT)) {
        p.emplace_back((p0 + p1)/2, Inkscape::SNAPSOURCE_LINE_MIDPOINT, Inkscape::SNAPTARGET_LINE_MIDPOINT);
        p.emplace_back((p1 + p2)/2, Inkscape::SNAPSOURCE_LINE_MIDPOINT, Inkscape::SNAPTARGET_LINE_MIDPOINT);
        p.emplace_back((p2 + p3)/2, Inkscape::SNAPSOURCE_LINE_MIDPOINT, Inkscape::SNAPTARGET_LINE_MIDPOINT);
        p.emplace_back((p3 + p0)/2, Inkscape::SNAPSOURCE_LINE_MIDPOINT, Inkscape::SNAPTARGET_LINE_MIDPOINT);
    }

    if (snapprefs->isTargetSnappable(Inkscape::SNAPTARGET_OBJECT_MIDPOINT)) {
        p.emplace_back((p0 + p2)/2, Inkscape::SNAPSOURCE_OBJECT_MIDPOINT, Inkscape::SNAPTARGET_OBJECT_MIDPOINT);
    }
}

void SPRect::convert_to_guides() const {
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();

    if (!prefs->getBool("/tools/shapes/rect/convertguides", true)) {
    	// Use bounding box instead of edges
    	SPShape::convert_to_guides();
        return;
    }

    std::list<std::pair<Geom::Point, Geom::Point> > pts;

    Geom::Affine const i2dt(this->i2dt_affine());

    Geom::Point A1(Geom::Point(this->x.computed, this->y.computed) * i2dt);
    Geom::Point A2(Geom::Point(this->x.computed, this->y.computed + this->height.computed) * i2dt);
    Geom::Point A3(Geom::Point(this->x.computed + this->width.computed, this->y.computed + this->height.computed) * i2dt);
    Geom::Point A4(Geom::Point(this->x.computed + this->width.computed, this->y.computed) * i2dt);

    pts.emplace_back(A1, A2);
    pts.emplace_back(A2, A3);
    pts.emplace_back(A3, A4);
    pts.emplace_back(A4, A1);

    sp_guide_pt_pairs_to_guides(this->document, pts);
}

/*
  Local Variables:
  mode:c++
  c-file-style:"stroustrup"
  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
  indent-tabs-mode:nil
  fill-column:99
  End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :