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/*
* Copyright 2006-2007 Aaron Seigo <aseigo@kde.org>
* Copyright 2008-2010 Marco Martin <notmart@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "svg.h"
#include "private/svg_p.h"
#include "private/theme_p.h"
#include <cmath>
#include <QCoreApplication>
#include <QDir>
#include <QMatrix>
#include <QPainter>
#include <QStringBuilder>
#include <QXmlStreamReader>
#include <QXmlStreamWriter>
#include <QBuffer>
#include <QRegularExpression>
#include <kcolorscheme.h>
#include <kconfiggroup.h>
#include <QDebug>
#include <kfilterdev.h>
#include <kiconeffect.h>
#include <KIconLoader>
#include <KIconTheme>
#include "applet.h"
#include "package.h"
#include "theme.h"
#include "debug_p.h"
namespace Plasma
{
SharedSvgRenderer::SharedSvgRenderer(QObject *parent)
: QSvgRenderer(parent)
{
}
SharedSvgRenderer::SharedSvgRenderer(
const QString &filename,
const QString &styleSheet,
QHash<QString, QRectF> &interestingElements,
QObject *parent)
: QSvgRenderer(parent)
{
KCompressionDevice file(filename, KCompressionDevice::GZip);
if (!file.open(QIODevice::ReadOnly)) {
return;
}
load(file.readAll(), styleSheet, interestingElements);
}
SharedSvgRenderer::SharedSvgRenderer(
const QByteArray &contents,
const QString &styleSheet,
QHash<QString, QRectF> &interestingElements,
QObject *parent)
: QSvgRenderer(parent)
{
load(contents, styleSheet, interestingElements);
}
bool SharedSvgRenderer::load(
const QByteArray &contents,
const QString &styleSheet,
QHash<QString, QRectF> &interestingElements)
{
// Apply the style sheet.
if (!styleSheet.isEmpty() && contents.contains("current-color-scheme")) {
QByteArray processedContents;
processedContents.reserve(contents.size());
QXmlStreamReader reader(contents);
QBuffer buffer(&processedContents);
buffer.open(QIODevice::WriteOnly);
QXmlStreamWriter writer(&buffer);
while (!reader.atEnd()) {
if (reader.readNext() == QXmlStreamReader::StartElement &&
reader.qualifiedName() == QLatin1String("style") &&
reader.attributes().value(QLatin1String("id")) == QLatin1String("current-color-scheme")) {
writer.writeStartElement(QLatin1String("style"));
writer.writeAttributes(reader.attributes());
writer.writeCharacters(styleSheet);
writer.writeEndElement();
while (reader.tokenType() != QXmlStreamReader::EndElement) {
reader.readNext();
}
} else if (reader.tokenType() != QXmlStreamReader::Invalid) {
writer.writeCurrentToken(reader);
}
}
buffer.close();
if (!QSvgRenderer::load(processedContents)) {
return false;
}
} else if (!QSvgRenderer::load(contents)) {
return false;
}
// Search the SVG to find and store all ids that contain size hints.
const QString contentsAsString(QString::fromLatin1(contents));
static const QRegularExpression idExpr(QLatin1String("id\\s*?=\\s*?(['\"])(\\d+?-\\d+?-.*?)\\1"));
Q_ASSERT(idExpr.isValid());
auto matchIt = idExpr.globalMatch(contentsAsString);
while (matchIt.hasNext()) {
auto match = matchIt.next();
QString elementId = match.captured(2);
QRectF elementRect = boundsOnElement(elementId);
if (elementRect.isValid()) {
interestingElements.insert(elementId, elementRect);
}
}
return true;
}
#define QLSEP QLatin1Char('_')
#define CACHE_ID_WITH_SIZE(size, id, status, devicePixelRatio) QString::number(int(size.width())) % QLSEP % QString::number(int(size.height())) % QLSEP % id % QLSEP % QString::number(status) % QLSEP % QString::number(int(devicePixelRatio))
#define CACHE_ID_NATURAL_SIZE(id, status, devicePixelRatio) QLatin1String("Natural") % QLSEP % id % QLSEP % QString::number(status) % QLSEP % QString::number(int(devicePixelRatio))
SvgPrivate::SvgPrivate(Svg *svg)
: q(svg),
renderer(nullptr),
styleCrc(0),
colorGroup(Plasma::Theme::NormalColorGroup),
lastModified(0),
devicePixelRatio(1.0),
scaleFactor(s_lastScaleFactor),
status(Svg::Status::Normal),
multipleImages(false),
themed(false),
useSystemColors(false),
fromCurrentTheme(false),
applyColors(false),
usesColors(false),
cacheRendering(true),
themeFailed(false)
{
}
SvgPrivate::~SvgPrivate()
{
eraseRenderer();
}
//This function is meant for the rects cache
QString SvgPrivate::cacheId(const QString &elementId) const
{
if (size.isValid() && size != naturalSize) {
return CACHE_ID_WITH_SIZE(size, elementId, status, devicePixelRatio);
} else {
return CACHE_ID_NATURAL_SIZE(elementId, status, devicePixelRatio);
}
}
//This function is meant for the pixmap cache
QString SvgPrivate::cachePath(const QString &path, const QSize &size) const
{
return CACHE_ID_WITH_SIZE(size, path, status, devicePixelRatio) % QLSEP % QString::number(colorGroup);
}
bool SvgPrivate::setImagePath(const QString &imagePath)
{
QString actualPath = imagePath;
if (imagePath.startsWith(QLatin1String("file://"))) {
//length of file://
actualPath.remove(0, 7);
}
bool isThemed = !actualPath.isEmpty() && !QDir::isAbsolutePath(actualPath);
bool inIconTheme = false;
//an absolute path.. let's try if this actually an *icon* theme
if (!isThemed && !actualPath.isEmpty()) {
const auto *iconTheme = KIconLoader::global()->theme();
isThemed = inIconTheme = iconTheme && actualPath.startsWith(iconTheme->dir());
}
// lets check to see if we're already set to this file
if (isThemed == themed &&
((themed && themePath == actualPath) ||
(!themed && path == actualPath))) {
return false;
}
eraseRenderer();
// if we don't have any path right now and are going to set one,
// then lets not schedule a repaint because we are just initializing!
bool updateNeeded = true; //!path.isEmpty() || !themePath.isEmpty();
QObject::disconnect(actualTheme(), SIGNAL(themeChanged()), q, SLOT(themeChanged()));
if (isThemed && !themed && s_systemColorsCache) {
// catch the case where we weren't themed, but now we are, and the colors cache was set up
// ensure we are not connected to that theme previously
QObject::disconnect(s_systemColorsCache.data(), nullptr, q, nullptr);
}
themed = isThemed;
path.clear();
themePath.clear();
localRectCache.clear();
elementsWithSizeHints.clear();
bool oldFromCurrentTheme = fromCurrentTheme;
fromCurrentTheme = !inIconTheme && isThemed && actualTheme()->currentThemeHasImage(imagePath);
if (fromCurrentTheme != oldFromCurrentTheme) {
emit q->fromCurrentThemeChanged(fromCurrentTheme);
}
if (inIconTheme) {
themePath = actualPath;
path = actualPath;
QObject::connect(actualTheme(), SIGNAL(themeChanged()), q, SLOT(themeChanged()));
} else if (themed) {
themePath = actualPath;
path = actualTheme()->imagePath(themePath);
themeFailed = path.isEmpty();
QObject::connect(actualTheme(), SIGNAL(themeChanged()), q, SLOT(themeChanged()));
} else if (QFileInfo::exists(actualPath)) {
QObject::connect(cacheAndColorsTheme(), SIGNAL(themeChanged()), q, SLOT(themeChanged()), Qt::UniqueConnection);
path = actualPath;
} else {
#ifndef NDEBUG
// qCDebug(LOG_PLASMA) << "file '" << path << "' does not exist!";
#endif
}
// check if svg wants colorscheme applied
checkColorHints();
// also images with absolute path needs to have a natural size initialized,
// even if looks a bit weird using Theme to store non-themed stuff
if ((themed && !path.isEmpty() && QFileInfo::exists(path)) || QFileInfo::exists(actualPath)) {
QRectF rect;
if (cacheAndColorsTheme()->findInRectsCache(path, QStringLiteral("_Natural_%1").arg(scaleFactor), rect)) {
naturalSize = rect.size();
} else {
createRenderer();
naturalSize = renderer->defaultSize() * scaleFactor;
//qCDebug(LOG_PLASMA) << "natural size for" << path << "from renderer is" << naturalSize;
cacheAndColorsTheme()->insertIntoRectsCache(path, QStringLiteral("_Natural_%1").arg(scaleFactor), QRectF(QPointF(0, 0), naturalSize));
//qCDebug(LOG_PLASMA) << "natural size for" << path << "from cache is" << naturalSize;
}
}
if (!themed) {
QFile f(actualPath);
QFileInfo info(f);
lastModified = info.lastModified().toSecsSinceEpoch();
}
q->resize();
emit q->imagePathChanged();
return updateNeeded;
}
Theme *SvgPrivate::actualTheme()
{
if (!theme) {
theme = new Plasma::Theme(q);
}
return theme.data();
}
Theme *SvgPrivate::cacheAndColorsTheme()
{
if (themed || !useSystemColors) {
return actualTheme();
} else {
// use a separate cache source for unthemed svg's
if (!s_systemColorsCache) {
//FIXME: reference count this, so that it is deleted when no longer in use
s_systemColorsCache = new Plasma::Theme(QStringLiteral("internal-system-colors"));
}
return s_systemColorsCache.data();
}
}
QPixmap SvgPrivate::findInCache(const QString &elementId, qreal ratio, const QSizeF &s)
{
QSize size;
QString actualElementId;
if (elementsWithSizeHints.isEmpty()) {
// Fetch all size hinted element ids from the theme's rect cache
// and store them locally.
const QRegularExpression sizeHintedKeyExpr(QLatin1String("^") + CACHE_ID_NATURAL_SIZE(QStringLiteral("(\\d+)-(\\d+)-(.+)"), status, ratio) + QLatin1String("$"));
foreach (const QString &key, cacheAndColorsTheme()->listCachedRectKeys(path)) {
const auto match = sizeHintedKeyExpr.match(key);
if (match.hasMatch()) {
QString baseElementId = match.captured(3);
QSize sizeHint(match.capturedRef(1).toInt(),
match.capturedRef(2).toInt());
if (sizeHint.isValid()) {
elementsWithSizeHints.insertMulti(baseElementId, sizeHint);
}
}
}
if (elementsWithSizeHints.isEmpty()) {
// Make sure we won't query the theme unnecessarily.
elementsWithSizeHints.insert(QString(), QSize());
}
}
// Look at the size hinted elements and try to find the smallest one with an
// identical aspect ratio.
if (s.isValid() && !elementId.isEmpty()) {
const QList<QSize> elementSizeHints = elementsWithSizeHints.values(elementId);
if (!elementSizeHints.isEmpty()) {
QSize bestFit(-1, -1);
for (const QSize &hint : elementSizeHints) {
if (hint.width() >= s.width() * ratio && hint.height() >= s.height() * ratio &&
(!bestFit.isValid() ||
(bestFit.width() * bestFit.height()) > (hint.width() * hint.height()))) {
bestFit = hint;
}
}
if (bestFit.isValid()) {
actualElementId = QString::number(bestFit.width()) % QLatin1Char('-') %
QString::number(bestFit.height()) % QLatin1Char('-') % elementId;
}
}
}
if (elementId.isEmpty() || !q->hasElement(actualElementId)) {
actualElementId = elementId;
}
if (elementId.isEmpty() || (multipleImages && s.isValid())) {
size = s.toSize() * ratio;
} else {
size = elementRect(actualElementId).size().toSize() * ratio;
}
if (size.isEmpty()) {
return QPixmap();
}
const QString id = cachePath(path, size) + actualElementId;
//qCDebug(LOG_PLASMA) << "id is " << id;
QPixmap p;
if (cacheRendering && cacheAndColorsTheme()->findInCache(id, p, lastModified)) {
p.setDevicePixelRatio(ratio);
//qCDebug(LOG_PLASMA) << "found cached version of " << id << p.size();
return p;
}
//qCDebug(LOG_PLASMA) << "didn't find cached version of " << id << ", so re-rendering";
//qCDebug(LOG_PLASMA) << "size for " << actualElementId << " is " << s;
// we have to re-render this puppy
createRenderer();
QRectF finalRect = makeUniform(renderer->boundsOnElement(actualElementId), QRect(QPoint(0, 0), size));
//don't alter the pixmap size or it won't match up properly to, e.g., FrameSvg elements
//makeUniform should never change the size so much that it gains or loses a whole pixel
p = QPixmap(size);
p.fill(Qt::transparent);
QPainter renderPainter(&p);
if (actualElementId.isEmpty()) {
renderer->render(&renderPainter, finalRect);
} else {
renderer->render(&renderPainter, actualElementId, finalRect);
}
renderPainter.end();
p.setDevicePixelRatio(ratio);
// Apply current color scheme if the svg asks for it
if (applyColors) {
QImage itmp = p.toImage();
KIconEffect::colorize(itmp, cacheAndColorsTheme()->color(Theme::BackgroundColor), 1.0);
p = p.fromImage(itmp);
}
if (cacheRendering) {
cacheAndColorsTheme()->insertIntoCache(id, p, QString::number((qint64)q, 16) % QLSEP % actualElementId);
}
return p;
}
void SvgPrivate::createRenderer()
{
if (renderer) {
return;
}
//qCDebug(LOG_PLASMA) << kBacktrace();
if (themed && path.isEmpty() && !themeFailed) {
Applet *applet = qobject_cast<Applet *>(q->parent());
//FIXME: this maybe could be more efficient if we knew if the package was empty, e.g. for
//C++; however, I'm not sure this has any real world runtime impact. something to measure
//for.
if (applet && applet->kPackage().isValid()) {
const KPackage::Package package = applet->kPackage();
path = package.filePath("images", themePath + QLatin1String(".svg"));
if (path.isEmpty()) {
path = package.filePath("images", themePath + QLatin1String(".svgz"));
}
}
if (path.isEmpty()) {
path = actualTheme()->imagePath(themePath);
themeFailed = path.isEmpty();
if (themeFailed) {
qCWarning(LOG_PLASMA) << "No image path found for" << themePath;
}
}
}
//qCDebug(LOG_PLASMA) << "********************************";
//qCDebug(LOG_PLASMA) << "FAIL! **************************";
//qCDebug(LOG_PLASMA) << path << "**";
QString styleSheet = cacheAndColorsTheme()->d->svgStyleSheet(colorGroup, status);
styleCrc = qChecksum(styleSheet.toUtf8().constData(), styleSheet.size());
QHash<QString, SharedSvgRenderer::Ptr>::const_iterator it = s_renderers.constFind(styleCrc + path);
if (it != s_renderers.constEnd()) {
//qCDebug(LOG_PLASMA) << "gots us an existing one!";
renderer = it.value();
} else {
if (path.isEmpty()) {
renderer = new SharedSvgRenderer();
} else {
QHash<QString, QRectF> interestingElements;
renderer = new SharedSvgRenderer(path, styleSheet, interestingElements);
// Add interesting elements to the theme's rect cache.
QHashIterator<QString, QRectF> i(interestingElements);
while (i.hasNext()) {
i.next();
const QString &elementId = i.key();
const QRectF &elementRect = i.value();
const QString cacheId = CACHE_ID_NATURAL_SIZE(elementId, status, devicePixelRatio);
localRectCache.insert(cacheId, elementRect);
cacheAndColorsTheme()->insertIntoRectsCache(path, cacheId, elementRect);
}
}
s_renderers[styleCrc + path] = renderer;
}
if (size == QSizeF()) {
size = renderer->defaultSize();
}
}
void SvgPrivate::eraseRenderer()
{
if (renderer && renderer->ref.load() == 2) {
// this and the cache reference it
s_renderers.erase(s_renderers.find(styleCrc + path));
if (theme) {
theme.data()->releaseRectsCache(path);
}
}
renderer = nullptr;
styleCrc = 0;
localRectCache.clear();
elementsWithSizeHints.clear();
}
QRectF SvgPrivate::elementRect(const QString &elementId)
{
if (themed && path.isEmpty()) {
if (themeFailed) {
return QRectF();
}
path = actualTheme()->imagePath(themePath);
themeFailed = path.isEmpty();
if (themeFailed) {
return QRectF();
}
}
if (path.isEmpty()) {
return QRectF();
}
const QString id = cacheId(elementId);
const auto it = localRectCache.constFind(id);
if (it != localRectCache.constEnd()) {
return *it;
}
QRectF rect;
bool found = cacheAndColorsTheme()->findInRectsCache(path, id, rect);
//This is a corner case where we are *sure* the element is not valid
if (found && rect == QRectF()) {
return rect;
} else if (found) {
localRectCache.insert(id, rect);
} else {
rect = findAndCacheElementRect(elementId, id);
}
return rect;
}
QRectF SvgPrivate::findAndCacheElementRect(const QString &elementId, const QString &id)
{
//we need to check the id before createRenderer(), otherwise it may generate a different id compared to the previous cacheId)( call
createRenderer();
const auto it = localRectCache.constFind(id);
if (it != localRectCache.constEnd()) {
return *it;
}
//This code will usually never be run because createRenderer already caches all the boundingRect in the elements in the svg
QRectF elementRect = renderer->elementExists(elementId) ?
renderer->matrixForElement(elementId).map(renderer->boundsOnElement(elementId)).boundingRect() :
QRectF();
naturalSize = renderer->defaultSize() * scaleFactor;
qreal dx = size.width() / renderer->defaultSize().width();
qreal dy = size.height() / renderer->defaultSize().height();
elementRect = QRectF(elementRect.x() * dx, elementRect.y() * dy,
elementRect.width() * dx, elementRect.height() * dy);
cacheAndColorsTheme()->insertIntoRectsCache(path, id, elementRect);
localRectCache.insert(id, elementRect);
return elementRect;
}
QMatrix SvgPrivate::matrixForElement(const QString &elementId)
{
createRenderer();
return renderer->matrixForElement(elementId);
}
void SvgPrivate::checkColorHints()
{
if (elementRect(QStringLiteral("hint-apply-color-scheme")).isValid()) {
applyColors = true;
usesColors = true;
} else if (elementRect(QStringLiteral("current-color-scheme")).isValid()) {
applyColors = false;
usesColors = true;
} else {
applyColors = false;
usesColors = false;
}
// check to see if we are using colors, but the theme isn't being used or isn't providing
// a colorscheme
if (qGuiApp) {
if (usesColors && (!themed || !actualTheme()->colorScheme())) {
QObject::connect(actualTheme()->d, SIGNAL(applicationPaletteChange()), q, SLOT(colorsChanged()));
} else {
QObject::disconnect(actualTheme()->d, SIGNAL(applicationPaletteChange()), q, SLOT(colorsChanged()));
}
}
}
bool Svg::eventFilter(QObject *watched, QEvent *event)
{
return QObject::eventFilter(watched, event);
}
//Following two are utility functions to snap rendered elements to the pixel grid
//to and from are always 0 <= val <= 1
qreal SvgPrivate::closestDistance(qreal to, qreal from)
{
qreal a = to - from;
if (qFuzzyCompare(to, from)) {
return 0;
} else if (to > from) {
qreal b = to - from - 1;
return (qAbs(a) > qAbs(b)) ? b : a;
} else {
qreal b = 1 + to - from;
return (qAbs(a) > qAbs(b)) ? b : a;
}
}
QRectF SvgPrivate::makeUniform(const QRectF &orig, const QRectF &dst)
{
if (qFuzzyIsNull(orig.x()) || qFuzzyIsNull(orig.y())) {
return dst;
}
QRectF res(dst);
qreal div_w = dst.width() / orig.width();
qreal div_h = dst.height() / orig.height();
qreal div_x = dst.x() / orig.x();
qreal div_y = dst.y() / orig.y();
//horizontal snap
if (!qFuzzyIsNull(div_x) && !qFuzzyCompare(div_w, div_x)) {
qreal rem_orig = orig.x() - (floor(orig.x()));
qreal rem_dst = dst.x() - (floor(dst.x()));
qreal offset = closestDistance(rem_dst, rem_orig);
res.translate(offset + offset * div_w, 0);
res.setWidth(res.width() + offset);
}
//vertical snap
if (!qFuzzyIsNull(div_y) && !qFuzzyCompare(div_h, div_y)) {
qreal rem_orig = orig.y() - (floor(orig.y()));
qreal rem_dst = dst.y() - (floor(dst.y()));
qreal offset = closestDistance(rem_dst, rem_orig);
res.translate(0, offset + offset * div_h);
res.setHeight(res.height() + offset);
}
//qCDebug(LOG_PLASMA)<<"Aligning Rects, origin:"<<orig<<"destination:"<<dst<<"result:"<<res;
return res;
}
void SvgPrivate::themeChanged()
{
if (q->imagePath().isEmpty()) {
return;
}
if (themed) {
// check if new theme svg wants colorscheme applied
checkColorHints();
}
QString currentPath = themed ? themePath : path;
themePath.clear();
eraseRenderer();
setImagePath(currentPath);
q->resize();
//qCDebug(LOG_PLASMA) << themePath << ">>>>>>>>>>>>>>>>>> theme changed";
emit q->repaintNeeded();
}
void SvgPrivate::colorsChanged()
{
if (!usesColors) {
return;
}
eraseRenderer();
qCDebug(LOG_PLASMA) << "repaint needed from colorsChanged";
emit q->repaintNeeded();
}
QHash<QString, SharedSvgRenderer::Ptr> SvgPrivate::s_renderers;
QPointer<Theme> SvgPrivate::s_systemColorsCache;
qreal SvgPrivate::s_lastScaleFactor = 1.0;
Svg::Svg(QObject *parent)
: QObject(parent),
d(new SvgPrivate(this))
{
}
Svg::~Svg()
{
delete d;
}
void Svg::setDevicePixelRatio(qreal ratio)
{
//be completely integer for now
//devicepixelratio is always set integer in the svg, so needs at least 192dpi to double up.
//(it needs to be integer to have lines contained inside a svg piece to keep being pixel aligned)
if (floor(d->devicePixelRatio) == floor(ratio)) {
return;
}
if (FrameSvg *f = qobject_cast<FrameSvg *>(this)) {
f->clearCache();
}
d->devicePixelRatio = floor(ratio);
emit repaintNeeded();
}
qreal Svg::devicePixelRatio()
{
return d->devicePixelRatio;
}
void Svg::setScaleFactor(qreal ratio)
{
//be completely integer for now
//devicepixelratio is always set integer in the svg, so needs at least 192dpi to double up.
//(it needs to be integer to have lines contained inside a svg piece to keep being pixel aligned)
if (floor(d->scaleFactor) == floor(ratio)) {
return;
}
d->scaleFactor = floor(ratio);
d->s_lastScaleFactor = d->scaleFactor;
//not resize() because we want to do it unconditionally
QRectF rect;
if (d->cacheAndColorsTheme()->findInRectsCache(d->path, QStringLiteral("_Natural_%1").arg(d->scaleFactor), rect)) {
d->naturalSize = rect.size();
} else {
d->createRenderer();
d->naturalSize = d->renderer->defaultSize() * d->scaleFactor;
}
d->size = d->naturalSize;
emit repaintNeeded();
emit sizeChanged();
}
qreal Svg::scaleFactor() const
{
return d->scaleFactor;
}
void Svg::setColorGroup(Plasma::Theme::ColorGroup group)
{
if (d->colorGroup == group) {
return;
}
d->colorGroup = group;
d->renderer = nullptr;
emit colorGroupChanged();
emit repaintNeeded();
}
Plasma::Theme::ColorGroup Svg::colorGroup() const
{
return d->colorGroup;
}
QPixmap Svg::pixmap(const QString &elementID)
{
if (elementID.isNull() || d->multipleImages) {
return d->findInCache(elementID, d->devicePixelRatio, size());
} else {
return d->findInCache(elementID, d->devicePixelRatio);
}
}
QImage Svg::image(const QSize &size, const QString &elementID)
{
QPixmap pix(d->findInCache(elementID, d->devicePixelRatio, size));
return pix.toImage();
}
void Svg::paint(QPainter *painter, const QPointF &point, const QString &elementID)
{
Q_ASSERT(painter->device());
const int ratio = painter->device()->devicePixelRatio();
QPixmap pix((elementID.isNull() || d->multipleImages) ? d->findInCache(elementID, ratio, size()) :
d->findInCache(elementID, ratio));
if (pix.isNull()) {
return;
}
painter->drawPixmap(QRectF(point, size()), pix, QRectF(QPointF(0, 0), pix.size()));
}
void Svg::paint(QPainter *painter, int x, int y, const QString &elementID)
{
paint(painter, QPointF(x, y), elementID);
}
void Svg::paint(QPainter *painter, const QRectF &rect, const QString &elementID)
{
Q_ASSERT(painter->device());
const int ratio = painter->device()->devicePixelRatio();
QPixmap pix(d->findInCache(elementID, ratio, rect.size()));
painter->drawPixmap(QRectF(rect.topLeft(), rect.size()), pix, QRectF(QPointF(0, 0), pix.size()));
}
void Svg::paint(QPainter *painter, int x, int y, int width, int height, const QString &elementID)
{
Q_ASSERT(painter->device());
const int ratio = painter->device()->devicePixelRatio();
QPixmap pix(d->findInCache(elementID, ratio, QSizeF(width, height)));
painter->drawPixmap(x, y, pix, 0, 0, pix.size().width(), pix.size().height());
}
QSize Svg::size() const
{
if (d->size.isEmpty()) {
d->size = d->naturalSize;
}
return d->size.toSize();
}
void Svg::resize(qreal width, qreal height)
{
resize(QSize(width, height));
}
void Svg::resize(const QSizeF &size)
{
if (qFuzzyCompare(size.width(), d->size.width()) &&
qFuzzyCompare(size.height(), d->size.height())) {
return;
}
d->size = size;
d->localRectCache.clear();
emit sizeChanged();
}
void Svg::resize()
{
if (qFuzzyCompare(d->naturalSize.width(), d->size.width()) &&
qFuzzyCompare(d->naturalSize.height(), d->size.height())) {
return;
}
d->size = d->naturalSize;
d->localRectCache.clear();
emit sizeChanged();
}
QSize Svg::elementSize(const QString &elementId) const
{
return d->elementRect(elementId).size().toSize();
}
QRectF Svg::elementRect(const QString &elementId) const
{
return d->elementRect(elementId);
}
bool Svg::hasElement(const QString &elementId) const
{
if (d->path.isNull() && d->themePath.isNull()) {
return false;
}
return d->elementRect(elementId).isValid();
}
bool Svg::isValid() const
{
if (d->path.isNull() && d->themePath.isNull()) {
return false;
}
//try very hard to avoid creation of a parser
QRectF rect;
if (d->cacheAndColorsTheme()->findInRectsCache(d->path, QStringLiteral("_Natural_%1").arg(d->scaleFactor), rect)) {
return true;
}
if (d->path.isEmpty() || !QFileInfo::exists(d->path)) {
return false;
}
d->createRenderer();
return d->renderer->isValid();
}
void Svg::setContainsMultipleImages(bool multiple)
{
d->multipleImages = multiple;
}
bool Svg::containsMultipleImages() const
{
return d->multipleImages;
}
void Svg::setImagePath(const QString &svgFilePath)
{
if (d->setImagePath(svgFilePath)) {
//qCDebug(LOG_PLASMA) << "repaintNeeded";
emit repaintNeeded();
}
}
QString Svg::imagePath() const
{
return d->themed ? d->themePath : d->path;
}
void Svg::setUsingRenderingCache(bool useCache)
{
d->cacheRendering = useCache;
}
bool Svg::isUsingRenderingCache() const
{
return d->cacheRendering;
}
bool Svg::fromCurrentTheme() const
{
return d->fromCurrentTheme;
}
void Svg::setUseSystemColors(bool system)
{
if (d->useSystemColors == system) {
return;
}
d->useSystemColors = system;
emit repaintNeeded();
}
bool Svg::useSystemColors() const
{
return d->useSystemColors;
}
void Svg::setTheme(Plasma::Theme *theme)
{
if (!theme || theme == d->theme.data()) {
return;
}
if (d->theme) {
disconnect(d->theme.data(), nullptr, this, nullptr);
}
d->theme = theme;
connect(theme, SIGNAL(themeChanged()), this, SLOT(themeChanged()));
d->themeChanged();
}
Theme *Svg::theme() const
{
return d->actualTheme();
}
void Svg::setStatus(Plasma::Svg::Status status)
{
if (status == d->status) {
return;
}
d->status = status;
d->eraseRenderer();
emit statusChanged(status);
emit repaintNeeded();
}
Svg::Status Svg::status() const
{
return d->status;
}
} // Plasma namespace
#include "private/moc_svg_p.cpp"
#include "moc_svg.cpp"
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