1/*
2 * Copyright 2006-2007 Aaron Seigo <aseigo@kde.org>
3 * Copyright 2008-2010 Marco Martin <notmart@gmail.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Library General Public License as
7 * published by the Free Software Foundation; either version 2, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details
14 *
15 * You should have received a copy of the GNU Library General Public
16 * License along with this program; if not, write to the
17 * Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 */
20
21#include "svg.h"
22#include "private/svg_p.h"
23
24#include <cmath>
25
26#include <QDir>
27#include <QDomDocument>
28#include <QMatrix>
29#include <QPainter>
30#include <QStringBuilder>
31
32#include <kcolorscheme.h>
33#include <kconfiggroup.h>
34#include <kdebug.h>
35#include <kfilterdev.h>
36#include <kiconeffect.h>
37#include <kglobalsettings.h>
38#include <ksharedptr.h>
39
40#include "applet.h"
41#include "package.h"
42#include "theme.h"
43
44namespace Plasma
45{
46
47SharedSvgRenderer::SharedSvgRenderer(QObject *parent)
48 : QSvgRenderer(parent)
49{
50}
51
52SharedSvgRenderer::SharedSvgRenderer(
53 const QString &filename,
54 const QString &styleSheet,
55 QHash<QString, QRectF> &interestingElements,
56 QObject *parent)
57 : QSvgRenderer(parent)
58{
59 QIODevice *file = KFilterDev::deviceForFile(filename, "application/x-gzip");
60 if (!file->open(QIODevice::ReadOnly)) {
61 delete file;
62 return;
63 }
64 load(file->readAll(), styleSheet, interestingElements);
65 delete file;
66}
67
68SharedSvgRenderer::SharedSvgRenderer(
69 const QByteArray &contents,
70 const QString &styleSheet,
71 QHash<QString, QRectF> &interestingElements,
72 QObject *parent)
73 : QSvgRenderer(parent)
74{
75 load(contents, styleSheet, interestingElements);
76}
77
78bool SharedSvgRenderer::load(
79 const QByteArray &contents,
80 const QString &styleSheet,
81 QHash<QString, QRectF> &interestingElements)
82{
83 // Apply the style sheet.
84 if (!styleSheet.isEmpty() && contents.contains("current-color-scheme")) {
85 QDomDocument svg;
86 if (!svg.setContent(contents)) {
87 return false;
88 }
89
90 QDomNode defs = svg.elementsByTagName("defs").item(0);
91
92 for (QDomElement style = defs.firstChildElement("style"); !style.isNull();
93 style = style.nextSiblingElement("style")) {
94 if (style.attribute("id") == "current-color-scheme") {
95 QDomElement colorScheme = svg.createElement("style");
96 colorScheme.setAttribute("type", "text/css");
97 colorScheme.setAttribute("id", "current-color-scheme");
98 defs.replaceChild(colorScheme, style);
99 colorScheme.appendChild(svg.createCDATASection(styleSheet));
100
101 interestingElements.insert("current-color-scheme", QRect(0,0,1,1));
102
103 break;
104 }
105 }
106 if (!QSvgRenderer::load(svg.toByteArray(-1))) {
107 return false;
108 }
109 } else if (!QSvgRenderer::load(contents)) {
110 return false;
111 }
112
113 // Search the SVG to find and store all ids that contain size hints.
114 const QString contentsAsString(QString::fromLatin1(contents));
115 QRegExp idExpr("id\\s*=\\s*(['\"])(\\d+-\\d+-.*)\\1");
116 idExpr.setMinimal(true);
117
118 int pos = 0;
119 while ((pos = idExpr.indexIn(contentsAsString, pos)) != -1) {
120 QString elementId = idExpr.cap(2);
121
122 QRectF elementRect = boundsOnElement(elementId);
123 if (elementRect.isValid()) {
124 interestingElements.insert(elementId, elementRect);
125 }
126
127 pos += idExpr.matchedLength();
128 }
129
130 return true;
131}
132
133#define QLSEP QLatin1Char('_')
134#define CACHE_ID_WITH_SIZE(size, id) QString::number(int(size.width())) % QLSEP % QString::number(int(size.height())) % QLSEP % id
135#define CACHE_ID_NATURAL_SIZE(id) QLatin1Literal("Natural") % QLSEP % id
136
137SvgPrivate::SvgPrivate(Svg *svg)
138 : q(svg),
139 renderer(0),
140 styleCrc(0),
141 lastModified(0),
142 multipleImages(false),
143 themed(false),
144 applyColors(false),
145 usesColors(false),
146 cacheRendering(true),
147 themeFailed(false)
148{
149}
150
151SvgPrivate::~SvgPrivate()
152{
153 eraseRenderer();
154}
155
156//This function is meant for the rects cache
157QString SvgPrivate::cacheId(const QString &elementId)
158{
159 if (size.isValid() && size != naturalSize) {
160 return CACHE_ID_WITH_SIZE(size, elementId);
161 } else {
162 return CACHE_ID_NATURAL_SIZE(elementId);
163 }
164}
165
166//This function is meant for the pixmap cache
167QString SvgPrivate::cachePath(const QString &path, const QSize &size)
168{
169 return CACHE_ID_WITH_SIZE(size, path);
170}
171
172bool SvgPrivate::setImagePath(const QString &imagePath)
173{
174 const bool isThemed = !QDir::isAbsolutePath(imagePath);
175
176 // lets check to see if we're already set to this file
177 if (isThemed == themed &&
178 ((themed && themePath == imagePath) ||
179 (!themed && path == imagePath))) {
180 return false;
181 }
182
183 eraseRenderer();
184
185 // if we don't have any path right now and are going to set one,
186 // then lets not schedule a repaint because we are just initializing!
187 bool updateNeeded = true; //!path.isEmpty() || !themePath.isEmpty();
188
189 QObject::disconnect(actualTheme(), SIGNAL(themeChanged()), q, SLOT(themeChanged()));
190 if (isThemed && !themed && s_systemColorsCache) {
191 // catch the case where we weren't themed, but now we are, and the colors cache was set up
192 // ensure we are not connected to that theme previously
193 QObject::disconnect(s_systemColorsCache.data(), 0, q, 0);
194 }
195
196 themed = isThemed;
197 path.clear();
198 themePath.clear();
199 localRectCache.clear();
200 elementsWithSizeHints.clear();
201
202 if (themed) {
203 themePath = imagePath;
204 themeFailed = false;
205 QObject::connect(actualTheme(), SIGNAL(themeChanged()), q, SLOT(themeChanged()));
206 } else if (QFile::exists(imagePath)) {
207 QObject::connect(cacheAndColorsTheme(), SIGNAL(themeChanged()), q, SLOT(themeChanged()), Qt::UniqueConnection);
208 path = imagePath;
209 } else {
210 kDebug() << "file '" << path << "' does not exist!";
211 }
212
213 // check if svg wants colorscheme applied
214 checkColorHints();
215
216 // also images with absolute path needs to have a natural size initialized,
217 // even if looks a bit weird using Theme to store non-themed stuff
218 if (themed || QFile::exists(imagePath)) {
219 QRectF rect;
220 if (cacheAndColorsTheme()->findInRectsCache(path, "_Natural", rect)) {
221 naturalSize = rect.size();
222 } else {
223 createRenderer();
224 naturalSize = renderer->defaultSize();
225 //kDebug() << "natural size for" << path << "from renderer is" << naturalSize;
226 cacheAndColorsTheme()->insertIntoRectsCache(path, "_Natural", QRectF(QPointF(0,0), naturalSize));
227 //kDebug() << "natural size for" << path << "from cache is" << naturalSize;
228 }
229 }
230
231 if (!themed) {
232 QFile f(imagePath);
233 QFileInfo info(f);
234 lastModified = info.lastModified().toTime_t();
235 }
236
237 return updateNeeded;
238}
239
240Theme *SvgPrivate::actualTheme()
241{
242 if (!theme) {
243 theme = Plasma::Theme::defaultTheme();
244 }
245
246 return theme.data();
247}
248
249Theme *SvgPrivate::cacheAndColorsTheme()
250{
251 if (themed) {
252 return actualTheme();
253 } else {
254 // use a separate cache source for unthemed svg's
255 if (!s_systemColorsCache) {
256 //FIXME: reference count this, so that it is deleted when no longer in use
257 s_systemColorsCache = new Plasma::Theme("internal-system-colors");
258 }
259
260 return s_systemColorsCache.data();
261 }
262}
263
264QPixmap SvgPrivate::findInCache(const QString &elementId, const QSizeF &s)
265{
266 QSize size;
267 QString actualElementId;
268
269 if (elementsWithSizeHints.isEmpty()) {
270 // Fetch all size hinted element ids from the theme's rect cache
271 // and store them locally.
272 QRegExp sizeHintedKeyExpr(CACHE_ID_NATURAL_SIZE("(\\d+)-(\\d+)-(.+)"));
273
274 foreach (const QString &key, cacheAndColorsTheme()->listCachedRectKeys(path)) {
275 if (sizeHintedKeyExpr.exactMatch(key)) {
276 QString baseElementId = sizeHintedKeyExpr.cap(3);
277 QSize sizeHint(sizeHintedKeyExpr.cap(1).toInt(),
278 sizeHintedKeyExpr.cap(2).toInt());
279
280 if (sizeHint.isValid()) {
281 elementsWithSizeHints.insertMulti(baseElementId, sizeHint);
282 }
283 }
284 }
285
286 if (elementsWithSizeHints.isEmpty()) {
287 // Make sure we won't query the theme unnecessarily.
288 elementsWithSizeHints.insert(QString(), QSize());
289 }
290 }
291
292 // Look at the size hinted elements and try to find the smallest one with an
293 // identical aspect ratio.
294 if (s.isValid() && !elementId.isEmpty()) {
295 QList<QSize> elementSizeHints = elementsWithSizeHints.values(elementId);
296
297 if (!elementSizeHints.isEmpty()) {
298 QSize bestFit(-1, -1);
299
300 Q_FOREACH(const QSize &hint, elementSizeHints) {
301
302 if (hint.width() >= s.width() && hint.height() >= s.height() &&
303 (!bestFit.isValid() ||
304 (bestFit.width() * bestFit.height()) > (hint.width() * hint.height()))) {
305 bestFit = hint;
306 }
307 }
308
309 if (bestFit.isValid()) {
310 actualElementId = QString::number(bestFit.width()) % "-" %
311 QString::number(bestFit.height()) % "-" % elementId;
312 }
313 }
314 }
315
316 if (elementId.isEmpty() || !q->hasElement(actualElementId)) {
317 actualElementId = elementId;
318 }
319
320 if (elementId.isEmpty() || (multipleImages && s.isValid())) {
321 size = s.toSize();
322 } else {
323 size = elementRect(actualElementId).size().toSize();
324 }
325
326 if (size.isEmpty()) {
327 return QPixmap();
328 }
329
330 QString id = cachePath(path, size);
331
332 if (!actualElementId.isEmpty()) {
333 id.append(actualElementId);
334 }
335
336 //kDebug() << "id is " << id;
337
338 QPixmap p;
339 if (cacheRendering && cacheAndColorsTheme()->findInCache(id, p, lastModified)) {
340 //kDebug() << "found cached version of " << id << p.size();
341 return p;
342 }
343
344 //kDebug() << "didn't find cached version of " << id << ", so re-rendering";
345
346 //kDebug() << "size for " << actualElementId << " is " << s;
347 // we have to re-render this puppy
348
349 createRenderer();
350
351 QRectF finalRect = makeUniform(renderer->boundsOnElement(actualElementId), QRect(QPoint(0,0), size));
352
353 //don't alter the pixmap size or it won't match up properly to, e.g., FrameSvg elements
354 //makeUniform should never change the size so much that it gains or loses a whole pixel
355 p = QPixmap(size);
356
357 p.fill(Qt::transparent);
358 QPainter renderPainter(&p);
359
360 if (actualElementId.isEmpty()) {
361 renderer->render(&renderPainter, finalRect);
362 } else {
363 renderer->render(&renderPainter, actualElementId, finalRect);
364 }
365
366 renderPainter.end();
367
368 // Apply current color scheme if the svg asks for it
369 if (applyColors) {
370 QImage itmp = p.toImage();
371 KIconEffect::colorize(itmp, cacheAndColorsTheme()->color(Theme::BackgroundColor), 1.0);
372 p = p.fromImage(itmp);
373 }
374
375 if (cacheRendering) {
376 cacheAndColorsTheme()->insertIntoCache(id, p, QString::number((qint64)q, 16) % QLSEP % actualElementId);
377 }
378
379 return p;
380}
381
382void SvgPrivate::createRenderer()
383{
384 if (renderer) {
385 return;
386 }
387
388 //kDebug() << kBacktrace();
389 if (themed && path.isEmpty() && !themeFailed) {
390 Applet *applet = qobject_cast<Applet*>(q->parent());
391 if (applet && applet->package()) {
392 path = applet->package()->filePath("images", themePath + ".svg");
393
394 if (path.isEmpty()) {
395 path = applet->package()->filePath("images", themePath + ".svgz");
396 }
397 }
398
399 if (path.isEmpty()) {
400 path = actualTheme()->imagePath(themePath);
401 themeFailed = path.isEmpty();
402 if (themeFailed) {
403 kWarning() << "No image path found for" << themePath;
404 }
405 }
406 }
407
408 //kDebug() << "********************************";
409 //kDebug() << "FAIL! **************************";
410 //kDebug() << path << "**";
411
412 QString styleSheet = cacheAndColorsTheme()->styleSheet("SVG");
413 styleCrc = qChecksum(styleSheet.toUtf8(), styleSheet.size());
414
415 QHash<QString, SharedSvgRenderer::Ptr>::const_iterator it = s_renderers.constFind(styleCrc + path);
416
417 if (it != s_renderers.constEnd()) {
418 //kDebug() << "gots us an existing one!";
419 renderer = it.value();
420 } else {
421 if (path.isEmpty()) {
422 renderer = new SharedSvgRenderer();
423 } else {
424 QHash<QString, QRectF> interestingElements;
425 renderer = new SharedSvgRenderer(path, styleSheet, interestingElements);
426
427 // Add interesting elements to the theme's rect cache.
428 QHashIterator<QString, QRectF> i(interestingElements);
429
430 while (i.hasNext()) {
431 i.next();
432 const QString &elementId = i.key();
433 const QRectF &elementRect = i.value();
434
435 const QString cacheId = CACHE_ID_NATURAL_SIZE(elementId);
436 localRectCache.insert(cacheId, elementRect);
437 cacheAndColorsTheme()->insertIntoRectsCache(path, cacheId, elementRect);
438 }
439 }
440
441 s_renderers[styleCrc + path] = renderer;
442 }
443
444 if (size == QSizeF()) {
445 size = renderer->defaultSize();
446 }
447}
448
449void SvgPrivate::eraseRenderer()
450{
451 if (renderer && renderer.count() == 2) {
452 // this and the cache reference it
453 s_renderers.erase(s_renderers.find(styleCrc + path));
454
455 if (theme) {
456 theme.data()->releaseRectsCache(path);
457 }
458 }
459
460 renderer = 0;
461 styleCrc = 0;
462 localRectCache.clear();
463 elementsWithSizeHints.clear();
464}
465
466QRectF SvgPrivate::elementRect(const QString &elementId)
467{
468 if (themed && path.isEmpty()) {
469 if (themeFailed) {
470 return QRectF();
471 }
472
473 path = actualTheme()->imagePath(themePath);
474 themeFailed = path.isEmpty();
475
476 if (themeFailed) {
477 return QRectF();
478 }
479 }
480
481 QString id = cacheId(elementId);
482
483 if (localRectCache.contains(id)) {
484 return localRectCache.value(id);
485 }
486
487 QRectF rect;
488 if (cacheAndColorsTheme()->findInRectsCache(path, id, rect)) {
489 localRectCache.insert(id, rect);
490 } else {
491 rect = findAndCacheElementRect(elementId);
492 }
493
494 return rect;
495}
496
497QRectF SvgPrivate::findAndCacheElementRect(const QString &elementId)
498{
499 createRenderer();
500
501 // createRenderer() can insert some interesting rects in the cache, so check it
502 const QString id = cacheId(elementId);
503 if (localRectCache.contains(id)) {
504 return localRectCache.value(id);
505 }
506
507 QRectF elementRect = renderer->elementExists(elementId) ?
508 renderer->matrixForElement(elementId).map(renderer->boundsOnElement(elementId)).boundingRect() :
509 QRectF();
510 naturalSize = renderer->defaultSize();
511 qreal dx = size.width() / naturalSize.width();
512 qreal dy = size.height() / naturalSize.height();
513
514 elementRect = QRectF(elementRect.x() * dx, elementRect.y() * dy,
515 elementRect.width() * dx, elementRect.height() * dy);
516
517 cacheAndColorsTheme()->insertIntoRectsCache(path, id, elementRect);
518 return elementRect;
519}
520
521QMatrix SvgPrivate::matrixForElement(const QString &elementId)
522{
523 createRenderer();
524 return renderer->matrixForElement(elementId);
525}
526
527void SvgPrivate::checkColorHints()
528{
529 if (elementRect("hint-apply-color-scheme").isValid()) {
530 applyColors = true;
531 usesColors = true;
532 } else if (elementRect("current-color-scheme").isValid()) {
533 applyColors = false;
534 usesColors = true;
535 } else {
536 applyColors = false;
537 usesColors = false;
538 }
539
540 // check to see if we are using colors, but the theme isn't being used or isn't providing
541 // a colorscheme
542 if (usesColors && (!themed || !actualTheme()->colorScheme())) {
543 QObject::connect(KGlobalSettings::self(), SIGNAL(kdisplayPaletteChanged()),
544 q, SLOT(colorsChanged()), Qt::UniqueConnection);
545 } else {
546 QObject::disconnect(KGlobalSettings::self(), SIGNAL(kdisplayPaletteChanged()),
547 q, SLOT(colorsChanged()));
548 }
549}
550
551//Following two are utility functions to snap rendered elements to the pixel grid
552//to and from are always 0 <= val <= 1
553qreal SvgPrivate::closestDistance(qreal to, qreal from)
554{
555 qreal a = to - from;
556 if (qFuzzyCompare(to, from))
557 return 0;
558 else if ( to > from ) {
559 qreal b = to - from - 1;
560 return (qAbs(a) > qAbs(b)) ? b : a;
561 } else {
562 qreal b = 1 + to - from;
563 return (qAbs(a) > qAbs(b)) ? b : a;
564 }
565}
566
567QRectF SvgPrivate::makeUniform(const QRectF &orig, const QRectF &dst)
568{
569 if (qFuzzyIsNull(orig.x()) || qFuzzyIsNull(orig.y())) {
570 return dst;
571 }
572
573 QRectF res(dst);
574 qreal div_w = dst.width() / orig.width();
575 qreal div_h = dst.height() / orig.height();
576
577 qreal div_x = dst.x() / orig.x();
578 qreal div_y = dst.y() / orig.y();
579
580 //horizontal snap
581 if (!qFuzzyIsNull(div_x) && !qFuzzyCompare(div_w, div_x)) {
582 qreal rem_orig = orig.x() - (floor(orig.x()));
583 qreal rem_dst = dst.x() - (floor(dst.x()));
584 qreal offset = closestDistance(rem_dst, rem_orig);
585 res.translate(offset + offset*div_w, 0);
586 res.setWidth(res.width() + offset);
587 }
588 //vertical snap
589 if (!qFuzzyIsNull(div_y) && !qFuzzyCompare(div_h, div_y)) {
590 qreal rem_orig = orig.y() - (floor(orig.y()));
591 qreal rem_dst = dst.y() - (floor(dst.y()));
592 qreal offset = closestDistance(rem_dst, rem_orig);
593 res.translate(0, offset + offset*div_h);
594 res.setHeight(res.height() + offset);
595 }
596
597 //kDebug()<<"Aligning Rects, origin:"<<orig<<"destination:"<<dst<<"result:"<<res;
598 return res;
599}
600
601void SvgPrivate::themeChanged()
602{
603 if (q->imagePath().isEmpty()) {
604 return;
605 }
606
607 if (themed) {
608 // check if new theme svg wants colorscheme applied
609 checkColorHints();
610 }
611
612 QString currentPath = themed ? themePath : path;
613 themePath.clear();
614 eraseRenderer();
615 setImagePath(currentPath);
616
617 //kDebug() << themePath << ">>>>>>>>>>>>>>>>>> theme changed";
618 emit q->repaintNeeded();
619}
620
621void SvgPrivate::colorsChanged()
622{
623 if (!usesColors) {
624 return;
625 }
626
627 eraseRenderer();
628 //kDebug() << "repaint needed from colorsChanged";
629 emit q->repaintNeeded();
630}
631
632QHash<QString, SharedSvgRenderer::Ptr> SvgPrivate::s_renderers;
633QWeakPointer<Theme> SvgPrivate::s_systemColorsCache;
634
635Svg::Svg(QObject *parent)
636 : QObject(parent),
637 d(new SvgPrivate(this))
638{
639}
640
641Svg::~Svg()
642{
643 delete d;
644}
645
646QPixmap Svg::pixmap(const QString &elementID)
647{
648 if (elementID.isNull() || d->multipleImages) {
649 return d->findInCache(elementID, size());
650 } else {
651 return d->findInCache(elementID);
652 }
653}
654
655void Svg::paint(QPainter *painter, const QPointF &point, const QString &elementID)
656{
657 QPixmap pix((elementID.isNull() || d->multipleImages) ? d->findInCache(elementID, size()) :
658 d->findInCache(elementID));
659
660 if (pix.isNull()) {
661 return;
662 }
663
664 painter->drawPixmap(QRectF(point, pix.size()), pix, QRectF(QPointF(0, 0), pix.size()));
665}
666
667void Svg::paint(QPainter *painter, int x, int y, const QString &elementID)
668{
669 paint(painter, QPointF(x, y), elementID);
670}
671
672void Svg::paint(QPainter *painter, const QRectF &rect, const QString &elementID)
673{
674 QPixmap pix(d->findInCache(elementID, rect.size()));
675 painter->drawPixmap(QRectF(rect.topLeft(), pix.size()), pix, QRectF(QPointF(0, 0), pix.size()));
676}
677
678void Svg::paint(QPainter *painter, int x, int y, int width, int height, const QString &elementID)
679{
680 QPixmap pix(d->findInCache(elementID, QSizeF(width, height)));
681 painter->drawPixmap(x, y, pix, 0, 0, pix.size().width(), pix.size().height());
682}
683
684QSize Svg::size() const
685{
686 if (d->size.isEmpty()) {
687 d->size = d->naturalSize;
688 }
689
690 return d->size.toSize();
691}
692
693void Svg::resize(qreal width, qreal height)
694{
695 resize(QSize(width, height));
696}
697
698void Svg::resize(const QSizeF &size)
699{
700 if (qFuzzyCompare(size.width(), d->size.width()) &&
701 qFuzzyCompare(size.height(), d->size.height())) {
702 return;
703 }
704
705 d->size = size;
706 d->localRectCache.clear();
707 emit sizeChanged();
708}
709
710void Svg::resize()
711{
712 if (qFuzzyCompare(d->naturalSize.width(), d->size.width()) &&
713 qFuzzyCompare(d->naturalSize.height(), d->size.height())) {
714 return;
715 }
716
717 d->size = d->naturalSize;
718 d->localRectCache.clear();
719 emit sizeChanged();
720}
721
722QSize Svg::elementSize(const QString &elementId) const
723{
724 return d->elementRect(elementId).size().toSize();
725}
726
727QRectF Svg::elementRect(const QString &elementId) const
728{
729 return d->elementRect(elementId);
730}
731
732bool Svg::hasElement(const QString &elementId) const
733{
734 if (d->path.isNull() && d->themePath.isNull()) {
735 return false;
736 }
737
738 return d->elementRect(elementId).isValid();
739}
740
741QString Svg::elementAtPoint(const QPoint &point) const
742{
743 Q_UNUSED(point)
744
745 return QString();
746/*
747FIXME: implement when Qt can support us!
748 d->createRenderer();
749 QSizeF naturalSize = d->renderer->defaultSize();
750 qreal dx = d->size.width() / naturalSize.width();
751 qreal dy = d->size.height() / naturalSize.height();
752 //kDebug() << point << "is really"
753 // << QPoint(point.x() *dx, naturalSize.height() - point.y() * dy);
754
755 return QString(); // d->renderer->elementAtPoint(QPoint(point.x() *dx, naturalSize.height() - point.y() * dy));
756 */
757}
758
759bool Svg::isValid() const
760{
761 if (d->path.isNull() && d->themePath.isNull()) {
762 return false;
763 }
764
765 d->createRenderer();
766 return d->renderer->isValid();
767}
768
769void Svg::setContainsMultipleImages(bool multiple)
770{
771 d->multipleImages = multiple;
772}
773
774bool Svg::containsMultipleImages() const
775{
776 return d->multipleImages;
777}
778
779void Svg::setImagePath(const QString &svgFilePath)
780{
781 //BIC FIXME: setImagePath should be virtual, or call an internal virtual protected method
782 if (FrameSvg *frame = qobject_cast<FrameSvg *>(this)) {
783 frame->setImagePath(svgFilePath);
784 return;
785 }
786
787 d->setImagePath(svgFilePath);
788 //kDebug() << "repaintNeeded";
789 emit repaintNeeded();
790}
791
792QString Svg::imagePath() const
793{
794 return d->themed ? d->themePath : d->path;
795}
796
797void Svg::setUsingRenderingCache(bool useCache)
798{
799 d->cacheRendering = useCache;
800}
801
802bool Svg::isUsingRenderingCache() const
803{
804 return d->cacheRendering;
805}
806
807void Svg::setTheme(Plasma::Theme *theme)
808{
809 if (!theme || theme == d->theme.data()) {
810 return;
811 }
812
813 if (d->theme) {
814 disconnect(d->theme.data(), 0, this, 0);
815 }
816
817 d->theme = theme;
818 connect(theme, SIGNAL(themeChanged()), this, SLOT(themeChanged()));
819 d->themeChanged();
820}
821
822Theme *Svg::theme() const
823{
824 return d->theme ? d->theme.data() : Theme::defaultTheme();
825}
826
827} // Plasma namespace
828
829#include "svg.moc"
830
831