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plasma-framework/plasma/framesvg.cpp
Marco Martin 7d636803e6 subtree merge of kdelibs/plasma into plasma
2013-01-30 13:43:33 +01:00

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/*
* Copyright 2008-2010 by 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 "framesvg.h"
#include "private/framesvg_p.h"
#include <QAtomicInt>
#include <QBitmap>
#include <QCryptographicHash>
#include <QPainter>
#include <QRegion>
#include <QSize>
#include <QStringBuilder>
#include <QTimer>
#include <kdebug.h>
#include <theme.h>
#include <private/svg_p.h>
namespace Plasma
{
QHash<QString, FrameData *> FrameSvgPrivate::s_sharedFrames;
// Any attempt to generate a frame whose width or height is larger than this
// will be rejected
static const int MAX_FRAME_SIZE = 100000;
FrameSvg::FrameSvg(QObject *parent)
: Svg(parent),
d(new FrameSvgPrivate(this))
{
connect(this, SIGNAL(repaintNeeded()), this, SLOT(updateNeeded()));
d->frames.insert(QString(), new FrameData(this));
}
FrameSvg::~FrameSvg()
{
delete d;
}
void FrameSvg::setImagePath(const QString &path)
{
if (path == imagePath()) {
return;
}
bool updateNeeded = true;
clearCache();
FrameData *fd = d->frames[d->prefix];
if (fd->refcount() == 1) {
// we're the only user of it, let's remove it from the shared keys
// we don't want to deref it, however, as we'll still be using it
const QString oldKey = d->cacheId(fd, d->prefix);
FrameSvgPrivate::s_sharedFrames.remove(oldKey);
} else {
// others are using this frame, so deref it for ourselves
fd->deref(this);
fd = 0;
}
Svg::d->setImagePath(path);
if (!fd) {
// we need to replace our frame, start by looking in the frame cache
FrameData *oldFd = d->frames[d->prefix];
const QString key = d->cacheId(oldFd, d->prefix);
fd = FrameSvgPrivate::s_sharedFrames.value(key);
if (fd) {
// we found one, so ref it and use it; we also don't need to (or want to!)
// trigger a full update of the frame since it is already the one we want
// and likely already rendered just fine
fd->ref(this);
updateNeeded = false;
} else {
// nothing exists for us in the cache, so create a new FrameData based
// on the old one
fd = new FrameData(*oldFd, this);
}
d->frames.insert(d->prefix, fd);
}
setContainsMultipleImages(true);
if (updateNeeded) {
// ensure our frame is in the cache
const QString key = d->cacheId(fd, d->prefix);
FrameSvgPrivate::s_sharedFrames.insert(key, fd);
// this will emit repaintNeeded() as well when it is done
d->updateAndSignalSizes();
} else {
emit repaintNeeded();
}
}
void FrameSvg::setEnabledBorders(const EnabledBorders borders)
{
if (borders == d->frames[d->prefix]->enabledBorders) {
return;
}
FrameData *fd = d->frames[d->prefix];
const QString oldKey = d->cacheId(fd, d->prefix);
const EnabledBorders oldBorders = fd->enabledBorders;
fd->enabledBorders = borders;
const QString newKey = d->cacheId(fd, d->prefix);
fd->enabledBorders = oldBorders;
//kDebug() << "looking for" << newKey;
FrameData *newFd = FrameSvgPrivate::s_sharedFrames.value(newKey);
if (newFd) {
//kDebug() << "FOUND IT!" << newFd->refcount;
// we've found a math, so insert that new one and ref it ..
newFd->ref(this);
d->frames.insert(d->prefix, newFd);
//.. then deref the old one and if it's no longer used, get rid of it
if (fd->deref(this)) {
//const QString oldKey = d->cacheId(fd, d->prefix);
//kDebug() << "1. Removing it" << oldKey << fd->refcount;
FrameSvgPrivate::s_sharedFrames.remove(oldKey);
delete fd;
}
return;
}
if (fd->refcount() == 1) {
// we're the only user of it, let's remove it from the shared keys
// we don't want to deref it, however, as we'll still be using it
FrameSvgPrivate::s_sharedFrames.remove(oldKey);
} else {
// others are using it, but we wish to change its size. so deref it,
// then create a copy of it (we're automatically ref'd via the ctor),
// then insert it into our frames.
fd->deref(this);
fd = new FrameData(*fd, this);
d->frames.insert(d->prefix, fd);
}
fd->enabledBorders = borders;
d->updateAndSignalSizes();
}
FrameSvg::EnabledBorders FrameSvg::enabledBorders() const
{
if (d->frames.isEmpty()) {
return NoBorder;
}
QHash<QString, FrameData*>::const_iterator it = d->frames.constFind(d->prefix);
if (it != d->frames.constEnd()) {
return it.value()->enabledBorders;
} else {
return NoBorder;
}
}
void FrameSvg::setElementPrefix(Plasma::Location location)
{
switch (location) {
case TopEdge:
setElementPrefix("north");
break;
case BottomEdge:
setElementPrefix("south");
break;
case LeftEdge:
setElementPrefix("west");
break;
case RightEdge:
setElementPrefix("east");
break;
default:
setElementPrefix(QString());
break;
}
d->location = location;
}
void FrameSvg::setElementPrefix(const QString &prefix)
{
const QString oldPrefix(d->prefix);
if (!hasElement(prefix % "-center")) {
d->prefix.clear();
} else {
d->prefix = prefix;
if (!d->prefix.isEmpty()) {
d->prefix += '-';
}
}
FrameData *oldFrameData = d->frames.value(oldPrefix);
if (oldPrefix == d->prefix && oldFrameData) {
return;
}
if (!d->frames.contains(d->prefix)) {
if (oldFrameData) {
FrameData *newFd = 0;
if (!oldFrameData->frameSize.isEmpty()) {
const QString key = d->cacheId(oldFrameData, d->prefix);
newFd = FrameSvgPrivate::s_sharedFrames.value(key);
}
// we need to put this in the cache if we didn't find it in the shared frames
// and we have a size; if we don't have a size, we'll catch it later
const bool cache = !newFd && !oldFrameData->frameSize.isEmpty();
if (newFd) {
newFd->ref(this);
} else {
newFd = new FrameData(*oldFrameData, this);
}
d->frames.insert(d->prefix, newFd);
if (cache) {
// we have to cache after inserting the frame since the cacheId requires the
// frame to be in the frames collection already
const QString key = d->cacheId(oldFrameData, d->prefix);
//kDebug() << this << " 1. inserting as" << key;
FrameSvgPrivate::s_sharedFrames.insert(key, newFd);
}
} else {
// couldn't find anything useful, so we just create something here
// we don't have a size for it yet, so don't bother trying to share it just yet
FrameData *newFd = new FrameData(this);
d->frames.insert(d->prefix, newFd);
}
d->updateSizes();
}
if (!d->cacheAll) {
d->frames.remove(oldPrefix);
if (oldFrameData) {
if (oldFrameData->deref(this)) {
const QString oldKey = d->cacheId(oldFrameData, oldPrefix);
FrameSvgPrivate::s_sharedFrames.remove(oldKey);
delete oldFrameData;
}
}
}
d->location = Floating;
}
bool FrameSvg::hasElementPrefix(const QString & prefix) const
{
//for now it simply checks if a center element exists,
//because it could make sense for certain themes to not have all the elements
if (prefix.isEmpty()) {
return hasElement("center");
} else {
return hasElement(prefix % "-center");
}
}
bool FrameSvg::hasElementPrefix(Plasma::Location location) const
{
switch (location) {
case TopEdge:
return hasElementPrefix("north");
break;
case BottomEdge:
return hasElementPrefix("south");
break;
case LeftEdge:
return hasElementPrefix("west");
break;
case RightEdge:
return hasElementPrefix("east");
break;
default:
return hasElementPrefix(QString());
break;
}
}
QString FrameSvg::prefix()
{
if (d->prefix.isEmpty()) {
return d->prefix;
}
return d->prefix.left(d->prefix.size() - 1);
}
void FrameSvg::resizeFrame(const QSizeF &size)
{
if (imagePath().isEmpty()) {
return;
}
if (size.isEmpty()) {
#ifndef NDEBUG
kDebug() << "Invalid size" << size;
#endif
return;
}
FrameData *fd = d->frames[d->prefix];
if (size == fd->frameSize) {
return;
}
const QString oldKey = d->cacheId(fd, d->prefix);
const QSize currentSize = fd->frameSize;
fd->frameSize = size.toSize();
const QString newKey = d->cacheId(fd, d->prefix);
fd->frameSize = currentSize;
//kDebug() << "looking for" << newKey;
FrameData *newFd = FrameSvgPrivate::s_sharedFrames.value(newKey);
if (newFd) {
//kDebug() << "FOUND IT!" << newFd->refcount;
// we've found a math, so insert that new one and ref it ..
newFd->ref(this);
d->frames.insert(d->prefix, newFd);
//.. then deref the old one and if it's no longer used, get rid of it
if (fd->deref(this)) {
//const QString oldKey = d->cacheId(fd, d->prefix);
//kDebug() << "1. Removing it" << oldKey << fd->refcount;
FrameSvgPrivate::s_sharedFrames.remove(oldKey);
delete fd;
}
return;
}
if (fd->refcount() == 1) {
// we're the only user of it, let's remove it from the shared keys
// we don't want to deref it, however, as we'll still be using it
FrameSvgPrivate::s_sharedFrames.remove(oldKey);
} else {
// others are using it, but we wish to change its size. so deref it,
// then create a copy of it (we're automatically ref'd via the ctor),
// then insert it into our frames.
fd->deref(this);
fd = new FrameData(*fd, this);
d->frames.insert(d->prefix, fd);
}
d->updateSizes();
fd->frameSize = size.toSize();
// we know it isn't in s_sharedFrames due to the check above, so insert it now
FrameSvgPrivate::s_sharedFrames.insert(newKey, fd);
}
QSizeF FrameSvg::frameSize() const
{
QHash<QString, FrameData*>::const_iterator it = d->frames.constFind(d->prefix);
if (it == d->frames.constEnd()) {
return QSize(-1, -1);
} else {
return d->frameSize(it.value());
}
}
qreal FrameSvg::marginSize(const Plasma::MarginEdge edge) const
{
if (d->frames[d->prefix]->noBorderPadding) {
return .0;
}
switch (edge) {
case Plasma::TopMargin:
return d->frames[d->prefix]->topMargin;
break;
case Plasma::LeftMargin:
return d->frames[d->prefix]->leftMargin;
break;
case Plasma::RightMargin:
return d->frames[d->prefix]->rightMargin;
break;
//Plasma::BottomMargin
default:
return d->frames[d->prefix]->bottomMargin;
break;
}
}
void FrameSvg::getMargins(qreal &left, qreal &top, qreal &right, qreal &bottom) const
{
FrameData *frame = d->frames[d->prefix];
if (frame->noBorderPadding) {
left = top = right = bottom = 0;
return;
}
top = frame->topMargin;
left = frame->leftMargin;
right = frame->rightMargin;
bottom = frame->bottomMargin;
}
QRectF FrameSvg::contentsRect() const
{
QSizeF size(frameSize());
if (size.isValid()) {
QRectF rect(QPointF(0, 0), size);
FrameData *frame = d->frames[d->prefix];
return rect.adjusted(frame->leftMargin, frame->topMargin,
-frame->rightMargin, -frame->bottomMargin);
} else {
return QRectF();
}
}
QPixmap FrameSvg::alphaMask() const
{
//FIXME: the distinction between overlay and
return d->alphaMask();
}
QRegion FrameSvg::mask() const
{
FrameData *frame = d->frames[d->prefix];
QString id = d->cacheId(frame, QString());
if (!frame->cachedMasks.contains(id)) {
//TODO: Implement a better way to cap the number of cached masks
if (frame->cachedMasks.count() > frame->MAX_CACHED_MASKS) {
frame->cachedMasks.clear();
}
frame->cachedMasks.insert(id, QRegion(QBitmap(d->alphaMask().alphaChannel().createMaskFromColor(Qt::black))));
}
return frame->cachedMasks[id];
}
void FrameSvg::setCacheAllRenderedFrames(bool cache)
{
if (d->cacheAll && !cache) {
clearCache();
}
d->cacheAll = cache;
}
bool FrameSvg::cacheAllRenderedFrames() const
{
return d->cacheAll;
}
void FrameSvg::clearCache()
{
FrameData *frame = d->frames[d->prefix];
// delete all the frames that aren't this one
QMutableHashIterator<QString, FrameData*> it(d->frames);
while (it.hasNext()) {
FrameData *p = it.next().value();
if (frame != p) {
//TODO: should we clear from the Theme pixmap cache as well?
if (p->deref(this)) {
const QString key = d->cacheId(p, it.key());
FrameSvgPrivate::s_sharedFrames.remove(key);
p->cachedBackground = QPixmap();
}
it.remove();
}
}
}
QPixmap FrameSvg::framePixmap()
{
FrameData *frame = d->frames[d->prefix];
if (frame->cachedBackground.isNull()) {
d->generateBackground(frame);
if (frame->cachedBackground.isNull()) {
return QPixmap();
}
}
return frame->cachedBackground;
}
void FrameSvg::paintFrame(QPainter *painter, const QRectF &target, const QRectF &source)
{
FrameData *frame = d->frames[d->prefix];
if (frame->cachedBackground.isNull()) {
d->generateBackground(frame);
if (frame->cachedBackground.isNull()) {
return;
}
}
painter->drawPixmap(target, frame->cachedBackground, source.isValid() ? source : target);
}
void FrameSvg::paintFrame(QPainter *painter, const QPointF &pos)
{
FrameData *frame = d->frames[d->prefix];
if (frame->cachedBackground.isNull()) {
d->generateBackground(frame);
if (frame->cachedBackground.isNull()) {
return;
}
}
painter->drawPixmap(pos, frame->cachedBackground);
}
//#define DEBUG_FRAMESVG_CACHE
FrameSvgPrivate::~FrameSvgPrivate()
{
#ifdef DEBUG_FRAMESVG_CACHE
#ifndef NDEBUG
kDebug() << "*************" << q << q->imagePath() << "****************";
#endif
#endif
QHashIterator<QString, FrameData *> it(frames);
while (it.hasNext()) {
it.next();
if (it.value()) {
// we remove all references from this widget to the frame, and delete it if we're the
// last user
if (it.value()->removeRefs(q)) {
const QString key = cacheId(it.value(), it.key());
#ifdef DEBUG_FRAMESVG_CACHE
#ifndef NDEBUG
kDebug() << "2. Removing it" << key << it.value() << it.value()->refcount() << s_sharedFrames.contains(key);
#endif
#endif
s_sharedFrames.remove(key);
delete it.value();
}
#ifdef DEBUG_FRAMESVG_CACHE
else {
#ifndef NDEBUG
kDebug() << "still shared:" << cacheId(it.value(), it.key()) << it.value() << it.value()->refcount() << it.value()->isUsed();
#endif
}
} else {
#ifndef NDEBUG
kDebug() << "lost our value for" << it.key();
#endif
#endif
}
}
#ifdef DEBUG_FRAMESVG_CACHE
QHashIterator<QString, FrameData *> it2(s_sharedFrames);
int shares = 0;
while (it2.hasNext()) {
it2.next();
const int rc = it2.value()->refcount();
if (rc == 0) {
#ifndef NDEBUG
kDebug() << " LOST!" << it2.key() << rc << it2.value();// << it2.value()->references;
#endif
} else {
#ifndef NDEBUG
kDebug() << " " << it2.key() << rc << it2.value();
#endif
foreach (FrameSvg *data, it2.value()->references.keys()) {
#ifndef NDEBUG
kDebug( )<< " " << (void*)data << it2.value()->references[data];
#endif
}
shares += rc - 1;
}
}
#ifndef NDEBUG
kDebug() << "#####################################" << s_sharedFrames.count() << ", pixmaps saved:" << shares;
#endif
#endif
frames.clear();
}
QPixmap FrameSvgPrivate::alphaMask()
{
FrameData *frame = frames[prefix];
QString maskPrefix;
if (q->hasElement("mask-" % prefix % "center")) {
maskPrefix = "mask-";
}
if (maskPrefix.isNull()) {
if (frame->cachedBackground.isNull()) {
generateBackground(frame);
if (frame->cachedBackground.isNull()) {
return QPixmap();
}
}
return frame->cachedBackground;
} else {
QString oldPrefix = prefix;
// We are setting the prefix only temporary to generate
// the needed mask image
prefix = maskPrefix % oldPrefix;
if (!frames.contains(prefix)) {
const QString key = cacheId(frame, prefix);
// see if we can find a suitable candidate in the shared frames
// if successful, ref and insert, otherwise create a new one
// and insert that into both the shared frames and our frames.
FrameData *maskFrame = s_sharedFrames.value(key);
if (maskFrame) {
maskFrame->ref(q);
} else {
maskFrame = new FrameData(*frame, q);
s_sharedFrames.insert(key, maskFrame);
}
frames.insert(prefix, maskFrame);
updateSizes();
}
FrameData *maskFrame = frames[prefix];
if (maskFrame->cachedBackground.isNull() || maskFrame->frameSize != frameSize(frame)) {
const QString oldKey = cacheId(maskFrame, prefix);
maskFrame->frameSize = frameSize(frame).toSize();
const QString newKey = cacheId(maskFrame, prefix);
if (s_sharedFrames.contains(oldKey)) {
s_sharedFrames.remove(oldKey);
s_sharedFrames.insert(newKey, maskFrame);
}
maskFrame->cachedBackground = QPixmap();
generateBackground(maskFrame);
if (maskFrame->cachedBackground.isNull()) {
return QPixmap();
}
}
prefix = oldPrefix;
return maskFrame->cachedBackground;
}
}
void FrameSvgPrivate::generateBackground(FrameData *frame)
{
if (!frame->cachedBackground.isNull() || !q->hasElementPrefix(q->prefix())) {
return;
}
const QString id = cacheId(frame, prefix);
Theme *theme = Theme::defaultTheme();
bool frameCached = !frame->cachedBackground.isNull();
bool overlayCached = false;
const bool overlayAvailable = !prefix.startsWith(QLatin1String("mask-")) && q->hasElement(prefix % "overlay");
QPixmap overlay;
if (q->isUsingRenderingCache()) {
frameCached = theme->findInCache(id, frame->cachedBackground) && !frame->cachedBackground.isNull();
if (overlayAvailable) {
overlayCached = theme->findInCache("overlay_" % id, overlay) && !overlay.isNull();
}
}
if (!frameCached) {
generateFrameBackground(frame);
}
//Overlays
QSize overlaySize;
QPoint actualOverlayPos = QPoint(0, 0);
if (overlayAvailable && !overlayCached) {
overlaySize = q->elementSize(prefix % "overlay");
if (q->hasElement(prefix % "hint-overlay-pos-right")) {
actualOverlayPos.setX(frame->frameSize.width() - overlaySize.width());
} else if (q->hasElement(prefix % "hint-overlay-pos-bottom")) {
actualOverlayPos.setY(frame->frameSize.height() - overlaySize.height());
//Stretched or Tiled?
} else if (q->hasElement(prefix % "hint-overlay-stretch")) {
overlaySize = frameSize(frame).toSize();
} else {
if (q->hasElement(prefix % "hint-overlay-tile-horizontal")) {
overlaySize.setWidth(frameSize(frame).width());
}
if (q->hasElement(prefix % "hint-overlay-tile-vertical")) {
overlaySize.setHeight(frameSize(frame).height());
}
}
overlay = alphaMask();
QPainter overlayPainter(&overlay);
overlayPainter.setCompositionMode(QPainter::CompositionMode_SourceIn);
//Tiling?
if (q->hasElement(prefix % "hint-overlay-tile-horizontal") ||
q->hasElement(prefix % "hint-overlay-tile-vertical")) {
QSize s = q->size();
q->resize(q->elementSize(prefix % "overlay"));
overlayPainter.drawTiledPixmap(QRect(QPoint(0,0), overlaySize), q->pixmap(prefix % "overlay"));
q->resize(s);
} else {
q->paint(&overlayPainter, QRect(actualOverlayPos, overlaySize), prefix % "overlay");
}
overlayPainter.end();
}
if (!frameCached) {
cacheFrame(prefix, frame->cachedBackground, overlayCached ? overlay : QPixmap());
}
if (!overlay.isNull()) {
QPainter p(&frame->cachedBackground);
p.setCompositionMode(QPainter::CompositionMode_SourceOver);
p.drawPixmap(actualOverlayPos, overlay, QRect(actualOverlayPos, overlaySize));
}
}
void FrameSvgPrivate::generateFrameBackground(FrameData *frame)
{
//kDebug() << "generating background";
const QSizeF size = frameSize(frame);
const int topWidth = q->elementSize(prefix % "top").width();
const int leftHeight = q->elementSize(prefix % "left").height();
const int topOffset = 0;
const int leftOffset = 0;
if (!size.isValid()) {
#ifndef NDEBUG
kDebug() << "Invalid frame size" << size;
#endif
return;
}
if (size.width() >= MAX_FRAME_SIZE || size.height() >= MAX_FRAME_SIZE) {
kWarning() << "Not generating frame background for a size whose width or height is more than" << MAX_FRAME_SIZE << size;
return;
}
const int contentWidth = size.width() - frame->leftWidth - frame->rightWidth;
const int contentHeight = size.height() - frame->topHeight - frame->bottomHeight;
int contentTop = 0;
int contentLeft = 0;
int rightOffset = contentWidth;
int bottomOffset = contentHeight;
frame->cachedBackground = QPixmap(frame->leftWidth + contentWidth + frame->rightWidth,
frame->topHeight + contentHeight + frame->bottomHeight);
frame->cachedBackground.fill(Qt::transparent);
QPainter p(&frame->cachedBackground);
p.setCompositionMode(QPainter::CompositionMode_Source);
p.setRenderHint(QPainter::SmoothPixmapTransform);
//CENTER
if (frame->tileCenter) {
if (contentHeight > 0 && contentWidth > 0) {
const int centerTileHeight = q->elementSize(prefix % "center").height();
const int centerTileWidth = q->elementSize(prefix % "center").width();
QPixmap center(centerTileWidth, centerTileHeight);
center.fill(Qt::transparent);
{
QPainter centerPainter(&center);
centerPainter.setCompositionMode(QPainter::CompositionMode_Source);
q->paint(&centerPainter, QRect(QPoint(0, 0), q->elementSize(prefix % "center")), prefix % "center");
}
if (frame->composeOverBorder) {
p.drawTiledPixmap(QRect(QPoint(0, 0), size.toSize()), center);
} else {
p.drawTiledPixmap(QRect(frame->leftWidth, frame->topHeight,
contentWidth, contentHeight), center);
}
}
} else {
if (contentHeight > 0 && contentWidth > 0) {
if (frame->composeOverBorder) {
q->paint(&p, QRect(QPoint(0, 0), size.toSize()),
prefix % "center");
} else {
q->paint(&p, QRect(frame->leftWidth, frame->topHeight,
contentWidth, contentHeight),
prefix % "center");
}
}
}
if (frame->composeOverBorder) {
p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
p.drawPixmap(QRect(QPoint(0, 0), size.toSize()), alphaMask());
p.setCompositionMode(QPainter::CompositionMode_SourceOver);
}
if (frame->enabledBorders & FrameSvg::LeftBorder && q->hasElement(prefix % "left")) {
rightOffset += frame->leftWidth;
}
// Corners
if (frame->enabledBorders & FrameSvg::TopBorder && q->hasElement(prefix % "top")) {
contentTop = frame->topHeight;
bottomOffset += frame->topHeight;
if (q->hasElement(prefix % "topleft") && frame->enabledBorders & FrameSvg::LeftBorder) {
q->paint(&p, QRect(leftOffset, topOffset, frame->leftWidth, frame->topHeight), prefix % "topleft");
contentLeft = frame->leftWidth;
}
if (q->hasElement(prefix % "topright") && frame->enabledBorders & FrameSvg::RightBorder) {
q->paint(&p, QRect(rightOffset, topOffset, frame->rightWidth, frame->topHeight), prefix % "topright");
}
}
if (frame->enabledBorders & FrameSvg::BottomBorder && q->hasElement(prefix % "bottom")) {
if (q->hasElement(prefix % "bottomleft") && frame->enabledBorders & FrameSvg::LeftBorder) {
q->paint(&p, QRect(leftOffset, bottomOffset, frame->leftWidth, frame->bottomHeight), prefix % "bottomleft");
contentLeft = frame->leftWidth;
}
if (frame->enabledBorders & FrameSvg::RightBorder && q->hasElement(prefix % "bottomright")) {
q->paint(&p, QRect(rightOffset, bottomOffset, frame->rightWidth, frame->bottomHeight), prefix % "bottomright");
}
}
// Sides
if (frame->stretchBorders) {
if (frame->enabledBorders & FrameSvg::LeftBorder || frame->enabledBorders & FrameSvg::RightBorder) {
if (q->hasElement(prefix % "left") &&
frame->enabledBorders & FrameSvg::LeftBorder &&
contentHeight > 0) {
q->paint(&p, QRect(leftOffset, contentTop, frame->leftWidth, contentHeight), prefix % "left");
}
if (q->hasElement(prefix % "right") &&
frame->enabledBorders & FrameSvg::RightBorder &&
contentHeight > 0) {
q->paint(&p, QRect(rightOffset, contentTop, frame->rightWidth, contentHeight), prefix % "right");
}
}
if (frame->enabledBorders & FrameSvg::TopBorder || frame->enabledBorders & FrameSvg::BottomBorder) {
if (frame->enabledBorders & FrameSvg::TopBorder && q->hasElement(prefix % "top") &&
contentWidth > 0) {
q->paint(&p, QRect(contentLeft, topOffset, contentWidth, frame->topHeight), prefix % "top");
}
if (frame->enabledBorders & FrameSvg::BottomBorder && q->hasElement(prefix % "bottom") &&
contentWidth > 0) {
q->paint(&p, QRect(contentLeft, bottomOffset, contentWidth, frame->bottomHeight), prefix % "bottom");
}
}
} else {
if (frame->enabledBorders & FrameSvg::LeftBorder && q->hasElement(prefix % "left")
&& leftHeight > 0 && frame->leftWidth > 0) {
QPixmap left(frame->leftWidth, leftHeight);
left.fill(Qt::transparent);
QPainter sidePainter(&left);
sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
q->paint(&sidePainter, QRect(QPoint(0, 0), left.size()), prefix % "left");
p.drawTiledPixmap(QRect(leftOffset, contentTop, frame->leftWidth, contentHeight), left);
}
if (frame->enabledBorders & FrameSvg::RightBorder && q->hasElement(prefix % "right") &&
leftHeight > 0 && frame->rightWidth > 0) {
QPixmap right(frame->rightWidth, leftHeight);
right.fill(Qt::transparent);
QPainter sidePainter(&right);
sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
q->paint(&sidePainter, QRect(QPoint(0, 0), right.size()), prefix % "right");
p.drawTiledPixmap(QRect(rightOffset, contentTop, frame->rightWidth, contentHeight), right);
}
if (frame->enabledBorders & FrameSvg::TopBorder && q->hasElement(prefix % "top")
&& topWidth > 0 && frame->topHeight > 0) {
QPixmap top(topWidth, frame->topHeight);
top.fill(Qt::transparent);
QPainter sidePainter(&top);
sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
q->paint(&sidePainter, QRect(QPoint(0, 0), top.size()), prefix % "top");
p.drawTiledPixmap(QRect(contentLeft, topOffset, contentWidth, frame->topHeight), top);
}
if (frame->enabledBorders & FrameSvg::BottomBorder && q->hasElement(prefix % "bottom")
&& topWidth > 0 && frame->bottomHeight > 0) {
QPixmap bottom(topWidth, frame->bottomHeight);
bottom.fill(Qt::transparent);
QPainter sidePainter(&bottom);
sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
q->paint(&sidePainter, QRect(QPoint(0, 0), bottom.size()), prefix % "bottom");
p.drawTiledPixmap(QRect(contentLeft, bottomOffset, contentWidth, frame->bottomHeight), bottom);
}
}
}
QString FrameSvgPrivate::cacheId(FrameData *frame, const QString &prefixToSave) const
{
const QSize size = frameSize(frame).toSize();
const QLatin1Char s('_');
return QString::number(frame->enabledBorders) % s % QString::number(size.width()) % s % QString::number(size.height()) % s % prefixToSave % s % q->imagePath();
}
void FrameSvgPrivate::cacheFrame(const QString &prefixToSave, const QPixmap &background, const QPixmap &overlay)
{
if (!q->isUsingRenderingCache()) {
return;
}
//insert background
FrameData *frame = frames.value(prefixToSave);
if (!frame) {
return;
}
const QString id = cacheId(frame, prefixToSave);
//kDebug()<<"Saving to cache frame"<<id;
Theme::defaultTheme()->insertIntoCache(id, background, QString::number((qint64)q, 16) % prefixToSave);
if (!overlay.isNull()) {
//insert overlay
Theme::defaultTheme()->insertIntoCache("overlay_" % id, overlay, QString::number((qint64)q, 16) % prefixToSave % "overlay");
}
}
void FrameSvgPrivate::updateSizes() const
{
//kDebug() << "!!!!!!!!!!!!!!!!!!!!!! updating sizes" << prefix;
FrameData *frame = frames[prefix];
Q_ASSERT(frame);
QSize s = q->size();
q->resize();
frame->cachedBackground = QPixmap();
if (frame->enabledBorders & FrameSvg::TopBorder) {
frame->topHeight = q->elementSize(prefix % "top").height();
if (q->hasElement(prefix % "hint-top-margin")) {
frame->topMargin = q->elementSize(prefix % "hint-top-margin").height();
} else {
frame->topMargin = frame->topHeight;
}
} else {
frame->topMargin = frame->topHeight = 0;
}
if (frame->enabledBorders & FrameSvg::LeftBorder) {
frame->leftWidth = q->elementSize(prefix % "left").width();
if (q->hasElement(prefix % "hint-left-margin")) {
frame->leftMargin = q->elementSize(prefix % "hint-left-margin").width();
} else {
frame->leftMargin = frame->leftWidth;
}
} else {
frame->leftMargin = frame->leftWidth = 0;
}
if (frame->enabledBorders & FrameSvg::RightBorder) {
frame->rightWidth = q->elementSize(prefix % "right").width();
if (q->hasElement(prefix % "hint-right-margin")) {
frame->rightMargin = q->elementSize(prefix % "hint-right-margin").width();
} else {
frame->rightMargin = frame->rightWidth;
}
} else {
frame->rightMargin = frame->rightWidth = 0;
}
if (frame->enabledBorders & FrameSvg::BottomBorder) {
frame->bottomHeight = q->elementSize(prefix % "bottom").height();
if (q->hasElement(prefix % "hint-bottom-margin")) {
frame->bottomMargin = q->elementSize(prefix % "hint-bottom-margin").height();
} else {
frame->bottomMargin = frame->bottomHeight;
}
} else {
frame->bottomMargin = frame->bottomHeight = 0;
}
frame->composeOverBorder = (q->hasElement(prefix % "hint-compose-over-border") &&
q->hasElement("mask-" % prefix % "center"));
//since it's rectangular, topWidth and bottomWidth must be the same
//the ones that don't have a prefix is for retrocompatibility
frame->tileCenter = (q->hasElement("hint-tile-center") || q->hasElement(prefix % "hint-tile-center"));
frame->noBorderPadding = (q->hasElement("hint-no-border-padding") || q->hasElement(prefix % "hint-no-border-padding"));
frame->stretchBorders = (q->hasElement("hint-stretch-borders") || q->hasElement(prefix % "hint-stretch-borders"));
q->resize(s);
}
void FrameSvgPrivate::updateNeeded()
{
q->clearCache();
updateSizes();
}
void FrameSvgPrivate::updateAndSignalSizes()
{
updateSizes();
emit q->repaintNeeded();
}
QSizeF FrameSvgPrivate::frameSize(FrameData *frame) const
{
if (!frame->frameSize.isValid()) {
updateSizes();
frame->frameSize = q->size();
}
return frame->frameSize;
}
void FrameData::ref(FrameSvg *svg)
{
references[svg] = references[svg] + 1;
//kDebug() << this << svg << references[svg];
}
bool FrameData::deref(FrameSvg *svg)
{
references[svg] = references[svg] - 1;
//kDebug() << this << svg << references[svg];
if (references[svg] < 1) {
references.remove(svg);
}
return references.isEmpty();
}
bool FrameData::removeRefs(FrameSvg *svg)
{
references.remove(svg);
return references.isEmpty();
}
bool FrameData::isUsed() const
{
return !references.isEmpty();
}
int FrameData::refcount() const
{
return references.count();
}
} // Plasma namespace
#include "moc_framesvg.cpp"
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