diff options
Diffstat (limited to 'src')
31 files changed, 487 insertions, 115 deletions
diff --git a/src/3rdparty/phonon/ds9/videowidget.cpp b/src/3rdparty/phonon/ds9/videowidget.cpp index 091be16..95423c6 100644 --- a/src/3rdparty/phonon/ds9/videowidget.cpp +++ b/src/3rdparty/phonon/ds9/videowidget.cpp @@ -218,6 +218,9 @@ namespace Phonon if (toNative && m_noNativeRendererSupported) return current; //no switch here + if (!mediaObject()) + return current; + //firt we delete the renderer //initialization of the widgets for(int i = 0; i < FILTER_COUNT; ++i) { diff --git a/src/corelib/kernel/qabstractitemmodel.cpp b/src/corelib/kernel/qabstractitemmodel.cpp index dbf422e..36e4af9 100644 --- a/src/corelib/kernel/qabstractitemmodel.cpp +++ b/src/corelib/kernel/qabstractitemmodel.cpp @@ -1006,6 +1006,9 @@ void QAbstractItemModelPrivate::columnsRemoved(const QModelIndex &parent, Returns the child of the model index that is stored in the given \a row and \a column. + \note This function does not work for an invalid model index which is often + used as the root index. + \sa parent(), sibling() */ diff --git a/src/gui/dialogs/qfiledialog.cpp b/src/gui/dialogs/qfiledialog.cpp index 21650bb..089e04a 100644 --- a/src/gui/dialogs/qfiledialog.cpp +++ b/src/gui/dialogs/qfiledialog.cpp @@ -229,11 +229,10 @@ Q_GUI_EXPORT _qt_filedialog_save_filename_hook qt_filedialog_save_filename_hook \value ReadOnly Indicates that the model is readonly. \value HideNameFilterDetails Indicates if the is hidden or not. - This value is obsolete and does nothing since Qt 4.5: \value DontUseSheet In previous versions of Qt, the static functions would create a sheet by default if the static function - was given a parent. This is no longer supported in Qt 4.5, The + was given a parent. This is no longer supported and does nothing in Qt 4.5, The static functions will always be an application modal dialog. If you want to use sheets, use QFileDialog::open() instead. diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp index ed36f87..b4e19d1 100644 --- a/src/gui/graphicsview/qgraphicsitem.cpp +++ b/src/gui/graphicsview/qgraphicsitem.cpp @@ -2569,6 +2569,7 @@ void QGraphicsItem::setOpacity(qreal opacity) if (newOpacity == d_ptr->opacity) return; + bool wasFullyTransparent = d_ptr->isOpacityNull(); d_ptr->opacity = newOpacity; // Notify change. @@ -2584,7 +2585,9 @@ void QGraphicsItem::setOpacity(qreal opacity) d_ptr->scene->d_func()->markDirty(this, QRectF(), /*invalidateChildren=*/true, /*force=*/false, - /*ignoreOpacity=*/true); + /*ignoreOpacity=*/d_ptr->isOpacityNull()); + if (wasFullyTransparent) + d_ptr->paintedViewBoundingRectsNeedRepaint = 1; } if (d_ptr->isObject) diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h index 5ad6cd5..b3ca3b5 100644 --- a/src/gui/graphicsview/qgraphicsitem_p.h +++ b/src/gui/graphicsview/qgraphicsitem_p.h @@ -358,14 +358,20 @@ public: return o; } + inline bool isOpacityNull() const + { return (opacity < qreal(0.001)); } + + static inline bool isOpacityNull(qreal opacity) + { return (opacity < qreal(0.001)); } + inline bool isFullyTransparent() const { - if (opacity < 0.001) + if (isOpacityNull()) return true; if (!parent) return false; - return calcEffectiveOpacity() < 0.001; + return isOpacityNull(calcEffectiveOpacity()); } inline qreal effectiveOpacity() const { diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp index 54d47fa..66707fc 100644 --- a/src/gui/graphicsview/qgraphicsscene.cpp +++ b/src/gui/graphicsview/qgraphicsscene.cpp @@ -251,6 +251,7 @@ #endif #include <private/qgraphicseffect_p.h> #include <private/qgesturemanager_p.h> +#include <private/qpathclipper_p.h> // #define GESTURE_DEBUG #ifndef GESTURE_DEBUG @@ -372,7 +373,10 @@ void QGraphicsScenePrivate::_q_emitUpdated() } } } else { - updateAll = false; + if (views.isEmpty()) { + updateAll = false; + return; + } for (int i = 0; i < views.size(); ++i) views.at(i)->d_func()->processPendingUpdates(); // It's important that we update all views before we dispatch, hence two for-loops. @@ -4603,6 +4607,7 @@ void QGraphicsScenePrivate::drawItems(QPainter *painter, const QTransform *const if (!unpolishedItems.isEmpty()) _q_polishItems(); + updateAll = false; QRectF exposedSceneRect; if (exposedRegion && indexMethod != QGraphicsScene::NoIndex) { exposedSceneRect = exposedRegion->boundingRect().adjusted(-1, -1, 1, 1); @@ -4630,7 +4635,7 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter * return; // Item has neither contents nor children!(?) const qreal opacity = item->d_ptr->combineOpacityFromParent(parentOpacity); - const bool itemIsFullyTransparent = (opacity < 0.0001); + const bool itemIsFullyTransparent = QGraphicsItemPrivate::isOpacityNull(opacity); if (itemIsFullyTransparent && (!itemHasChildren || item->d_ptr->childrenCombineOpacity())) return; @@ -4750,7 +4755,7 @@ void QGraphicsScenePrivate::draw(QGraphicsItem *item, QPainter *painter, const Q qreal opacity, const QTransform *effectTransform, bool wasDirtyParentSceneTransform, bool drawItem) { - const bool itemIsFullyTransparent = (opacity < 0.0001); + const bool itemIsFullyTransparent = QGraphicsItemPrivate::isOpacityNull(opacity); const bool itemClipsChildrenToShape = (item->d_ptr->flags & QGraphicsItem::ItemClipsChildrenToShape); const bool itemHasChildren = !item->d_ptr->children.isEmpty(); @@ -4765,7 +4770,12 @@ void QGraphicsScenePrivate::draw(QGraphicsItem *item, QPainter *painter, const Q painter->setWorldTransform(*transformPtr * *effectTransform); else painter->setWorldTransform(*transformPtr); - painter->setClipPath(item->shape(), Qt::IntersectClip); + QRectF clipRect; + const QPainterPath clipPath(item->shape()); + if (QPathClipper::pathToRect(clipPath, &clipRect)) + painter->setClipRect(clipRect, Qt::IntersectClip); + else + painter->setClipPath(clipPath, Qt::IntersectClip); } // Draw children behind @@ -4801,8 +4811,14 @@ void QGraphicsScenePrivate::draw(QGraphicsItem *item, QPainter *painter, const Q painter->setWorldTransform(*transformPtr); } - if (itemClipsToShape) - painter->setClipPath(item->shape(), Qt::IntersectClip); + if (itemClipsToShape) { + QRectF clipRect; + const QPainterPath clipPath(item->shape()); + if (QPathClipper::pathToRect(clipPath, &clipRect)) + painter->setClipRect(clipRect, Qt::IntersectClip); + else + painter->setClipPath(clipPath, Qt::IntersectClip); + } painter->setOpacity(opacity); if (!item->d_ptr->cacheMode && !item->d_ptr->isWidget) @@ -4980,7 +4996,8 @@ void QGraphicsScenePrivate::processDirtyItemsRecursive(QGraphicsItem *item, bool } const qreal opacity = item->d_ptr->combineOpacityFromParent(parentOpacity); - const bool itemIsFullyTransparent = !item->d_ptr->ignoreOpacity && opacity < 0.0001; + const bool itemIsFullyTransparent = !item->d_ptr->ignoreOpacity + && QGraphicsItemPrivate::isOpacityNull(opacity); if (itemIsFullyTransparent && (!itemHasChildren || item->d_ptr->childrenCombineOpacity())) { resetDirtyItem(item, /*recursive=*/itemHasChildren); return; @@ -5153,6 +5170,7 @@ void QGraphicsScene::drawItems(QPainter *painter, if (!d->unpolishedItems.isEmpty()) d->_q_polishItems(); + d->updateAll = false; QTransform viewTransform = painter->worldTransform(); Q_UNUSED(options); diff --git a/src/gui/graphicsview/qgraphicssceneindex.cpp b/src/gui/graphicsview/qgraphicssceneindex.cpp index 043c4eb..707c71f 100644 --- a/src/gui/graphicsview/qgraphicssceneindex.cpp +++ b/src/gui/graphicsview/qgraphicssceneindex.cpp @@ -279,7 +279,7 @@ void QGraphicsSceneIndexPrivate::recursive_items_helper(QGraphicsItem *item, QRe return; const qreal opacity = item->d_ptr->combineOpacityFromParent(parentOpacity); - const bool itemIsFullyTransparent = (opacity < 0.0001); + const bool itemIsFullyTransparent = QGraphicsItemPrivate::isOpacityNull(opacity); const bool itemHasChildren = !item->d_ptr->children.isEmpty(); if (itemIsFullyTransparent && (!itemHasChildren || item->d_ptr->childrenCombineOpacity())) return; @@ -554,7 +554,7 @@ QList<QGraphicsItem *> QGraphicsSceneIndex::estimateTopLevelItems(const QRectF & /*! \fn QList<QGraphicsItem *> QGraphicsSceneIndex::items(Qt::SortOrder order = Qt::DescendingOrder) const - + This pure virtual function all items in the index and sort them using \a order. */ diff --git a/src/gui/image/qimagepixmapcleanuphooks.cpp b/src/gui/image/qimagepixmapcleanuphooks.cpp index 61d538f..ace4bb6 100644 --- a/src/gui/image/qimagepixmapcleanuphooks.cpp +++ b/src/gui/image/qimagepixmapcleanuphooks.cpp @@ -62,12 +62,12 @@ QImagePixmapCleanupHooks *QImagePixmapCleanupHooks::instance() return qt_image_and_pixmap_cleanup_hooks(); } -void QImagePixmapCleanupHooks::addPixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook) +void QImagePixmapCleanupHooks::addPixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd hook) { pixmapModificationHooks.append(hook); } -void QImagePixmapCleanupHooks::addPixmapDestructionHook(_qt_pixmap_cleanup_hook_pm hook) +void QImagePixmapCleanupHooks::addPixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd hook) { pixmapDestructionHooks.append(hook); } @@ -78,12 +78,12 @@ void QImagePixmapCleanupHooks::addImageHook(_qt_image_cleanup_hook_64 hook) imageHooks.append(hook); } -void QImagePixmapCleanupHooks::removePixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook) +void QImagePixmapCleanupHooks::removePixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd hook) { pixmapModificationHooks.removeAll(hook); } -void QImagePixmapCleanupHooks::removePixmapDestructionHook(_qt_pixmap_cleanup_hook_pm hook) +void QImagePixmapCleanupHooks::removePixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd hook) { pixmapDestructionHooks.removeAll(hook); } @@ -93,24 +93,24 @@ void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 hook) imageHooks.removeAll(hook); } -void QImagePixmapCleanupHooks::executePixmapModificationHooks(QPixmap* pm) +void QImagePixmapCleanupHooks::executePixmapDataModificationHooks(QPixmapData* pmd) { QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks(); for (int i = 0; i < h->pixmapModificationHooks.count(); ++i) - h->pixmapModificationHooks[i](pm); + h->pixmapModificationHooks[i](pmd); if (qt_pixmap_cleanup_hook_64) - qt_pixmap_cleanup_hook_64(pm->cacheKey()); + qt_pixmap_cleanup_hook_64(pmd->cacheKey()); } -void QImagePixmapCleanupHooks::executePixmapDestructionHooks(QPixmap* pm) +void QImagePixmapCleanupHooks::executePixmapDataDestructionHooks(QPixmapData* pmd) { QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks(); for (int i = 0; i < h->pixmapDestructionHooks.count(); ++i) - h->pixmapDestructionHooks[i](pm); + h->pixmapDestructionHooks[i](pmd); if (qt_pixmap_cleanup_hook_64) - qt_pixmap_cleanup_hook_64(pm->cacheKey()); + qt_pixmap_cleanup_hook_64(pmd->cacheKey()); } void QImagePixmapCleanupHooks::executeImageHooks(qint64 key) diff --git a/src/gui/image/qimagepixmapcleanuphooks_p.h b/src/gui/image/qimagepixmapcleanuphooks_p.h index 7176044..88dd3a6 100644 --- a/src/gui/image/qimagepixmapcleanuphooks_p.h +++ b/src/gui/image/qimagepixmapcleanuphooks_p.h @@ -58,7 +58,8 @@ QT_BEGIN_NAMESPACE typedef void (*_qt_image_cleanup_hook_64)(qint64); -typedef void (*_qt_pixmap_cleanup_hook_pm)(QPixmap*); +typedef void (*_qt_pixmap_cleanup_hook_pmd)(QPixmapData*); + class QImagePixmapCleanupHooks; @@ -71,27 +72,27 @@ public: static void enableCleanupHooks(const QPixmap &pixmap); static void enableCleanupHooks(QPixmapData *pixmapData); - // Gets called when a pixmap is about to be modified: - void addPixmapModificationHook(_qt_pixmap_cleanup_hook_pm); + // Gets called when a pixmap data is about to be modified: + void addPixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd); - // Gets called when a pixmap is about to be destroyed: - void addPixmapDestructionHook(_qt_pixmap_cleanup_hook_pm); + // Gets called when a pixmap data is about to be destroyed: + void addPixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd); // Gets called when an image is about to be modified or destroyed: void addImageHook(_qt_image_cleanup_hook_64); - void removePixmapModificationHook(_qt_pixmap_cleanup_hook_pm); - void removePixmapDestructionHook(_qt_pixmap_cleanup_hook_pm); + void removePixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd); + void removePixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd); void removeImageHook(_qt_image_cleanup_hook_64); - static void executePixmapModificationHooks(QPixmap*); - static void executePixmapDestructionHooks(QPixmap*); + static void executePixmapDataModificationHooks(QPixmapData*); + static void executePixmapDataDestructionHooks(QPixmapData*); static void executeImageHooks(qint64 key); private: QList<_qt_image_cleanup_hook_64> imageHooks; - QList<_qt_pixmap_cleanup_hook_pm> pixmapModificationHooks; - QList<_qt_pixmap_cleanup_hook_pm> pixmapDestructionHooks; + QList<_qt_pixmap_cleanup_hook_pmd> pixmapModificationHooks; + QList<_qt_pixmap_cleanup_hook_pmd> pixmapDestructionHooks; }; QT_END_NAMESPACE diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp index f823fdc..d1e5c40 100644 --- a/src/gui/image/qpixmap.cpp +++ b/src/gui/image/qpixmap.cpp @@ -320,8 +320,6 @@ QPixmap::QPixmap(const char * const xpm[]) QPixmap::~QPixmap() { Q_ASSERT(!data || data->ref >= 1); // Catch if ref-counting changes again - if (data && data->is_cached && data->ref == 1) // ref will be decrememnted after destructor returns - QImagePixmapCleanupHooks::executePixmapDestructionHooks(this); } /*! @@ -1025,12 +1023,8 @@ qint64 QPixmap::cacheKey() const if (isNull()) return 0; - int classKey = data->classId(); - if (classKey >= 1024) - classKey = -(classKey >> 10); - return ((((qint64) classKey) << 56) - | (((qint64) data->serialNumber()) << 32) - | ((qint64) (data->detach_no))); + Q_ASSERT(data); + return data->cacheKey(); } static void sendResizeEvents(QWidget *target) @@ -1943,7 +1937,7 @@ void QPixmap::detach() } if (data->is_cached && data->ref == 1) - QImagePixmapCleanupHooks::executePixmapModificationHooks(this); + QImagePixmapCleanupHooks::executePixmapDataModificationHooks(data.data()); #if defined(Q_WS_MAC) QMacPixmapData *macData = id == QPixmapData::MacClass ? static_cast<QMacPixmapData*>(data.data()) : 0; diff --git a/src/gui/image/qpixmap_x11.cpp b/src/gui/image/qpixmap_x11.cpp index 0e66e09..e1e8a0d 100644 --- a/src/gui/image/qpixmap_x11.cpp +++ b/src/gui/image/qpixmap_x11.cpp @@ -68,6 +68,7 @@ #include "qx11info_x11.h" #include <private/qdrawhelper_p.h> #include <private/qimage_p.h> +#include <private/qimagepixmapcleanuphooks_p.h> #include <stdlib.h> @@ -1228,6 +1229,12 @@ void QX11PixmapData::fill(const QColor &fillColor) QX11PixmapData::~QX11PixmapData() { + // Cleanup hooks have to be called before the handles are freed + if (is_cached) { + QImagePixmapCleanupHooks::executePixmapDataDestructionHooks(this); + is_cached = false; + } + release(); } @@ -1236,8 +1243,13 @@ void QX11PixmapData::release() delete pengine; pengine = 0; - if (!X11) + if (!X11) { +#ifndef QT_NO_DEBUG + qWarning("~QX11PixmapData(): QPixmap objects must be destroyed before the QApplication" + " object, otherwise the native pixmap object will be leaked."); +#endif return; + } if (x11_mask) { #ifndef QT_NO_XRENDER diff --git a/src/gui/image/qpixmapdata.cpp b/src/gui/image/qpixmapdata.cpp index 65032da..ea4fe6b 100644 --- a/src/gui/image/qpixmapdata.cpp +++ b/src/gui/image/qpixmapdata.cpp @@ -45,6 +45,7 @@ #include <QtGui/qimagereader.h> #include <private/qgraphicssystem_p.h> #include <private/qapplication_p.h> +#include <private/qimagepixmapcleanuphooks_p.h> QT_BEGIN_NAMESPACE @@ -80,6 +81,16 @@ QPixmapData::QPixmapData(PixelType pixelType, int objectId) QPixmapData::~QPixmapData() { + // Sometimes the pixmap cleanup hooks will be called from derrived classes, which will + // then set is_cached to false. For example, on X11 QtOpenGL needs to delete the GLXPixmap + // or EGL Pixmap Surface for a given pixmap _before_ the native X11 pixmap is deleted, + // otherwise some drivers will leak the GL surface. In this case, QX11PixmapData will + // call the cleanup hooks itself before deleting the native pixmap and set is_cached to + // false. + if (is_cached) { + QImagePixmapCleanupHooks::executePixmapDataDestructionHooks(this); + is_cached = false; + } } QPixmapData *QPixmapData::createCompatiblePixmapData() const diff --git a/src/gui/image/qpixmapdata_p.h b/src/gui/image/qpixmapdata_p.h index 1125515..827fa18 100644 --- a/src/gui/image/qpixmapdata_p.h +++ b/src/gui/image/qpixmapdata_p.h @@ -117,6 +117,14 @@ public: inline int colorCount() const { return metric(QPaintDevice::PdmNumColors); } inline int depth() const { return d; } inline bool isNull() const { return is_null; } + inline qint64 cacheKey() const { + int classKey = id; + if (classKey >= 1024) + classKey = -(classKey >> 10); + return ((((qint64) classKey) << 56) + | (((qint64) ser_no) << 32) + | ((qint64) detach_no)); + } #if defined(Q_OS_SYMBIAN) virtual void* toNativeType(NativeType type); diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp index ffad38b..4054d2a 100644 --- a/src/gui/kernel/qwidget.cpp +++ b/src/gui/kernel/qwidget.cpp @@ -6414,6 +6414,8 @@ void QWidget::setTabOrder(QWidget* first, QWidget *second) first = fp; } + if (fp == second) + return; if (QWidget *sp = second->focusProxy()) second = sp; diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp index cde6a2d..bf12c6b 100644 --- a/src/gui/painting/qpainter.cpp +++ b/src/gui/painting/qpainter.cpp @@ -7509,7 +7509,7 @@ QPaintDevice *QPainter::redirected(const QPaintDevice *device, QPoint *offset) return widgetPrivate->redirected(offset); } - if (*globalRedirectionAtomic() == 0) + if (!globalRedirectionAtomic() || *globalRedirectionAtomic() == 0) return 0; QMutexLocker locker(globalRedirectionsMutex()); @@ -7529,7 +7529,7 @@ QPaintDevice *QPainter::redirected(const QPaintDevice *device, QPoint *offset) void qt_painter_removePaintDevice(QPaintDevice *dev) { - if (*globalRedirectionAtomic() == 0) + if (!globalRedirectionAtomic() || *globalRedirectionAtomic() == 0) return; QMutex *mutex = 0; diff --git a/src/gui/painting/qpathclipper.cpp b/src/gui/painting/qpathclipper.cpp index 7997e77..bc81514 100644 --- a/src/gui/painting/qpathclipper.cpp +++ b/src/gui/painting/qpathclipper.cpp @@ -90,8 +90,6 @@ static QPointF normalize(const QPointF &p) return p / qSqrt(p.x() * p.x() + p.y() * p.y()); } -static bool pathToRect(const QPainterPath &path, QRectF *rect = 0); - struct QIntersection { qreal alphaA; @@ -1660,7 +1658,7 @@ static bool fuzzyCompare(qreal a, qreal b) return qFuzzyCompare(a, b); } -static bool pathToRect(const QPainterPath &path, QRectF *rect) +bool QPathClipper::pathToRect(const QPainterPath &path, QRectF *rect) { if (path.elementCount() != 5) return false; @@ -1693,7 +1691,7 @@ static bool pathToRect(const QPainterPath &path, QRectF *rect) return false; if (rect) - *rect = QRectF(QPointF(x1, y1), QPointF(x2, y2)); + rect->setCoords(x1, y1, x2, y2); return true; } diff --git a/src/gui/painting/qpathclipper_p.h b/src/gui/painting/qpathclipper_p.h index 0d2c049..b900862 100644 --- a/src/gui/painting/qpathclipper_p.h +++ b/src/gui/painting/qpathclipper_p.h @@ -86,6 +86,8 @@ public: bool intersect(); bool contains(); + static bool pathToRect(const QPainterPath &path, QRectF *rect = 0); + private: Q_DISABLE_COPY(QPathClipper) diff --git a/src/gui/styles/qstylesheetstyle.cpp b/src/gui/styles/qstylesheetstyle.cpp index 498313b..b36294a 100644 --- a/src/gui/styles/qstylesheetstyle.cpp +++ b/src/gui/styles/qstylesheetstyle.cpp @@ -1125,6 +1125,7 @@ void QRenderRule::fixupBorder(int nativeWidth) void QRenderRule::drawBorderImage(QPainter *p, const QRect& rect) { + setClip(p, rect); static const Qt::TileRule tileMode2TileRule[] = { Qt::StretchTile, Qt::RoundTile, Qt::StretchTile, Qt::RepeatTile, Qt::StretchTile }; @@ -1142,6 +1143,7 @@ void QRenderRule::drawBorderImage(QPainter *p, const QRect& rect) QRect(QPoint(), borderImageData->pixmap.size()), sourceMargins, QTileRules(tileMode2TileRule[borderImageData->horizStretch], tileMode2TileRule[borderImageData->vertStretch])); p->setRenderHint(QPainter::SmoothPixmapTransform, wasSmoothPixmapTransform); + unsetClip(p); } QRect QRenderRule::originRect(const QRect &rect, Origin origin) const diff --git a/src/gui/widgets/qabstractscrollarea.cpp b/src/gui/widgets/qabstractscrollarea.cpp index 87f6c83..1d496d5 100644 --- a/src/gui/widgets/qabstractscrollarea.cpp +++ b/src/gui/widgets/qabstractscrollarea.cpp @@ -1134,13 +1134,10 @@ void QAbstractScrollArea::mouseMoveEvent(QMouseEvent *e) void QAbstractScrollArea::wheelEvent(QWheelEvent *e) { Q_D(QAbstractScrollArea); - QScrollBar *const bars[2] = { d->hbar, d->vbar }; - int idx = (e->orientation() == Qt::Vertical) ? 1 : 0; - int other = (idx + 1) % 2; - if (!bars[idx]->isVisible() && bars[other]->isVisible()) - idx = other; // If the scrollbar of the event orientation is hidden, fallback to the other. - - QApplication::sendEvent(bars[idx], e); + if (static_cast<QWheelEvent*>(e)->orientation() == Qt::Horizontal) + QApplication::sendEvent(d->hbar, e); + else + QApplication::sendEvent(d->vbar, e); } #endif diff --git a/src/gui/widgets/qabstractslider.cpp b/src/gui/widgets/qabstractslider.cpp index 2874647..defebb9 100644 --- a/src/gui/widgets/qabstractslider.cpp +++ b/src/gui/widgets/qabstractslider.cpp @@ -214,8 +214,8 @@ QT_BEGIN_NAMESPACE */ QAbstractSliderPrivate::QAbstractSliderPrivate() - : minimum(0), maximum(99), singleStep(1), pageStep(10), - value(0), position(0), pressValue(-1), offset_accumulated(0), tracking(true), + : minimum(0), maximum(99), pageStep(10), value(0), position(0), pressValue(-1), + singleStep(1), offset_accumulated(0), tracking(true), blocktracking(false), pressed(false), invertedAppearance(false), invertedControls(false), orientation(Qt::Horizontal), repeatAction(QAbstractSlider::SliderNoAction) diff --git a/src/gui/widgets/qmainwindowlayout.cpp b/src/gui/widgets/qmainwindowlayout.cpp index d1e7285..fc75c92 100644 --- a/src/gui/widgets/qmainwindowlayout.cpp +++ b/src/gui/widgets/qmainwindowlayout.cpp @@ -1627,6 +1627,13 @@ void QMainWindowLayout::animationFinished(QWidget *widget) tb->d_func()->plug(currentGapRect); #endif + savedState.clear(); + currentGapPos.clear(); + pluggingWidget = 0; + //applying the state will make sure that the currentGap is updated correctly + //and all the geometries (especially the one from the central widget) is correct + layoutState.apply(false); + #ifndef QT_NO_DOCKWIDGET #ifndef QT_NO_TABBAR if (qobject_cast<QDockWidget*>(widget) != 0) { @@ -1637,13 +1644,6 @@ void QMainWindowLayout::animationFinished(QWidget *widget) } #endif #endif - - savedState.clear(); - currentGapPos.clear(); - pluggingWidget = 0; - //applying the state will make sure that the currentGap is updated correctly - //and all the geometries (especially the one from the central widget) is correct - layoutState.apply(false); } if (!widgetAnimator.animating()) { diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp index b282676..07f3159 100644 --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp @@ -558,6 +558,12 @@ void QGL2PaintEngineExPrivate::resetGLState() glStencilMask(0xff); glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP); glStencilFunc(GL_ALWAYS, 0, 0xff); + glDisableVertexAttribArray(QT_TEXTURE_COORDS_ATTR); + glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR); + glDisableVertexAttribArray(QT_OPACITY_ATTR); +#ifndef QT_OPENGL_ES_2 + glColor4f(1.0f, 1.0f, 1.0f, 1.0f); // color may have been changed by glVertexAttrib() +#endif } void QGL2PaintEngineEx::endNativePainting() diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp index 2a60708..fce9fdb 100644 --- a/src/opengl/qgl.cpp +++ b/src/opengl/qgl.cpp @@ -1590,10 +1590,8 @@ QGLTextureCache::QGLTextureCache() Q_ASSERT(qt_gl_texture_cache == 0); qt_gl_texture_cache = this; - QImagePixmapCleanupHooks::instance()->addPixmapModificationHook(cleanupTextures); -#ifdef Q_WS_X11 - QImagePixmapCleanupHooks::instance()->addPixmapDestructionHook(cleanupPixmapSurfaces); -#endif + QImagePixmapCleanupHooks::instance()->addPixmapDataModificationHook(cleanupTextures); + QImagePixmapCleanupHooks::instance()->addPixmapDataDestructionHook(cleanupBeforePixmapDestruction); QImagePixmapCleanupHooks::instance()->addImageHook(imageCleanupHook); } @@ -1601,10 +1599,8 @@ QGLTextureCache::~QGLTextureCache() { qt_gl_texture_cache = 0; - QImagePixmapCleanupHooks::instance()->removePixmapModificationHook(cleanupTextures); -#ifdef Q_WS_X11 - QImagePixmapCleanupHooks::instance()->removePixmapDestructionHook(cleanupPixmapSurfaces); -#endif + QImagePixmapCleanupHooks::instance()->removePixmapDataModificationHook(cleanupTextures); + QImagePixmapCleanupHooks::instance()->removePixmapDataDestructionHook(cleanupBeforePixmapDestruction); QImagePixmapCleanupHooks::instance()->removeImageHook(imageCleanupHook); } @@ -1672,30 +1668,29 @@ void QGLTextureCache::imageCleanupHook(qint64 cacheKey) } -void QGLTextureCache::cleanupTextures(QPixmap* pixmap) +void QGLTextureCache::cleanupTextures(QPixmapData* pmd) { // ### remove when the GL texture cache becomes thread-safe if (qApp->thread() == QThread::currentThread()) { - const qint64 cacheKey = pixmap->cacheKey(); + const qint64 cacheKey = pmd->cacheKey(); QGLTexture *texture = instance()->getTexture(cacheKey); if (texture && texture->options & QGLContext::MemoryManagedBindOption) instance()->remove(cacheKey); } } -#if defined(Q_WS_X11) -void QGLTextureCache::cleanupPixmapSurfaces(QPixmap* pixmap) +void QGLTextureCache::cleanupBeforePixmapDestruction(QPixmapData* pmd) { // Remove any bound textures first: - cleanupTextures(pixmap); + cleanupTextures(pmd); - QPixmapData *pd = pixmap->data_ptr().data(); - if (pd->classId() == QPixmapData::X11Class) { - Q_ASSERT(pd->ref == 1); // Make sure reference counting isn't broken - QGLContextPrivate::destroyGlSurfaceForPixmap(pd); +#if defined(Q_WS_X11) + if (pmd->classId() == QPixmapData::X11Class) { + Q_ASSERT(pmd->ref == 0); // Make sure reference counting isn't broken + QGLContextPrivate::destroyGlSurfaceForPixmap(pmd); } -} #endif +} void QGLTextureCache::deleteIfEmpty() { diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h index 0104f07..713b067 100644 --- a/src/opengl/qgl_p.h +++ b/src/opengl/qgl_p.h @@ -522,7 +522,7 @@ public: QSize bindCompressedTexturePVR(const char *buf, int len); }; -class QGLTextureCache { +class Q_AUTOTEST_EXPORT QGLTextureCache { public: QGLTextureCache(); ~QGLTextureCache(); @@ -539,11 +539,8 @@ public: static QGLTextureCache *instance(); static void deleteIfEmpty(); static void imageCleanupHook(qint64 cacheKey); - static void cleanupTextures(QPixmap* pixmap); -#ifdef Q_WS_X11 - // X11 needs to catch pixmap data destruction to delete EGL/GLX pixmap surfaces - static void cleanupPixmapSurfaces(QPixmap* pixmap); -#endif + static void cleanupTextures(QPixmapData* pixmap); + static void cleanupBeforePixmapDestruction(QPixmapData* pixmap); private: QCache<qint64, QGLTexture> m_cache; diff --git a/src/opengl/qglpixmapfilter.cpp b/src/opengl/qglpixmapfilter.cpp index 11011ee..37bb7c0 100644 --- a/src/opengl/qglpixmapfilter.cpp +++ b/src/opengl/qglpixmapfilter.cpp @@ -319,14 +319,14 @@ public: ~QGLBlurTextureCache(); QGLBlurTextureInfo *takeBlurTextureInfo(const QPixmap &pixmap); - bool hasBlurTextureInfo(const QPixmap &pixmap) const; + bool hasBlurTextureInfo(quint64 cacheKey) const; void insertBlurTextureInfo(const QPixmap &pixmap, QGLBlurTextureInfo *info); - void clearBlurTextureInfo(const QPixmap &pixmap); + void clearBlurTextureInfo(quint64 cacheKey); void timerEvent(QTimerEvent *event); private: - static void pixmapDestroyed(QPixmap *pixmap); + static void pixmapDestroyed(QPixmapData *pixmap); QCache<quint64, QGLBlurTextureInfo > cache; @@ -379,21 +379,21 @@ QGLBlurTextureInfo *QGLBlurTextureCache::takeBlurTextureInfo(const QPixmap &pixm return cache.take(pixmap.cacheKey()); } -void QGLBlurTextureCache::clearBlurTextureInfo(const QPixmap &pixmap) +void QGLBlurTextureCache::clearBlurTextureInfo(quint64 cacheKey) { - cache.remove(pixmap.cacheKey()); + cache.remove(cacheKey); } -bool QGLBlurTextureCache::hasBlurTextureInfo(const QPixmap &pixmap) const +bool QGLBlurTextureCache::hasBlurTextureInfo(quint64 cacheKey) const { - return cache.contains(pixmap.cacheKey()); + return cache.contains(cacheKey); } void QGLBlurTextureCache::insertBlurTextureInfo(const QPixmap &pixmap, QGLBlurTextureInfo *info) { static bool hookAdded = false; if (!hookAdded) { - QImagePixmapCleanupHooks::instance()->addPixmapDestructionHook(pixmapDestroyed); + QImagePixmapCleanupHooks::instance()->addPixmapDataDestructionHook(pixmapDestroyed); hookAdded = true; } @@ -406,11 +406,11 @@ void QGLBlurTextureCache::insertBlurTextureInfo(const QPixmap &pixmap, QGLBlurTe timerId = startTimer(8000); } -void QGLBlurTextureCache::pixmapDestroyed(QPixmap *pixmap) +void QGLBlurTextureCache::pixmapDestroyed(QPixmapData *pmd) { foreach (QGLBlurTextureCache *cache, blurTextureCaches) { - if (cache->hasBlurTextureInfo(*pixmap)) - cache->clearBlurTextureInfo(*pixmap); + if (cache->hasBlurTextureInfo(pmd->cacheKey())) + cache->clearBlurTextureInfo(pmd->cacheKey()); } } diff --git a/src/openvg/qpaintengine_vg.cpp b/src/openvg/qpaintengine_vg.cpp index cc9ba77..6813d2f 100644 --- a/src/openvg/qpaintengine_vg.cpp +++ b/src/openvg/qpaintengine_vg.cpp @@ -188,6 +188,7 @@ public: bool maskValid; // True if vgMask() contains valid data. bool maskIsSet; // True if mask would be fully set if it was valid. + bool scissorMask; // True if scissor is used in place of the mask. bool rawVG; // True if processing a raw VG escape. QRect maskRect; // Rectangle version of mask if it is simple. @@ -355,6 +356,7 @@ void QVGPaintEnginePrivate::init() maskValid = false; maskIsSet = false; + scissorMask = false; rawVG = false; scissorActive = false; @@ -1542,7 +1544,28 @@ void QVGPaintEngine::stroke(const QVectorPath &path, const QPen &pen) static inline bool clipTransformIsSimple(const QTransform& transform) { QTransform::TransformationType type = transform.type(); - return (type == QTransform::TxNone || type == QTransform::TxTranslate); + if (type == QTransform::TxNone || type == QTransform::TxTranslate) + return true; + if (type == QTransform::TxRotate) { + // Check for 0, 90, 180, and 270 degree rotations. + // (0 might happen after 4 rotations of 90 degrees). + qreal m11 = transform.m11(); + qreal m12 = transform.m12(); + qreal m21 = transform.m21(); + qreal m22 = transform.m22(); + if (m11 == 0.0f && m22 == 0.0f) { + if (m12 == 1.0f && m21 == -1.0f) + return true; // 90 degrees. + else if (m12 == -1.0f && m21 == 1.0f) + return true; // 270 degrees. + } else if (m12 == 0.0f && m21 == 0.0f) { + if (m11 == -1.0f && m22 == -1.0f) + return true; // 180 degrees. + else if (m11 == 1.0f && m22 == 1.0f) + return true; // 0 degrees. + } + } + return false; } #if defined(QVG_SCISSOR_CLIP) @@ -1664,12 +1687,12 @@ void QVGPaintEngine::clip(const QVectorPath &path, Qt::ClipOperation op) if (op == Qt::NoClip) { d->maskValid = false; d->maskIsSet = true; + d->scissorMask = false; d->maskRect = QRect(); vgSeti(VG_MASKING, VG_FALSE); return; } -#if defined(QVG_NO_RENDER_TO_MASK) // We don't have vgRenderToMask(), so handle simple QRectF's only. if (path.shape() == QVectorPath::RectangleHint && path.elementCount() == 4 && clipTransformIsSimple(d->transform)) { @@ -1679,8 +1702,10 @@ void QVGPaintEngine::clip(const QVectorPath &path, Qt::ClipOperation op) QRectF rect(points[0], points[1], points[2] - points[0], points[5] - points[1]); clip(rect.toRect(), op); + return; } -#else + +#if !defined(QVG_NO_RENDER_TO_MASK) QPaintDevice *pdev = paintDevice(); int width = pdev->width(); int height = pdev->height(); @@ -1711,6 +1736,7 @@ void QVGPaintEngine::clip(const QVectorPath &path, Qt::ClipOperation op) vgSeti(VG_MASKING, VG_TRUE); d->maskValid = true; d->maskIsSet = false; + d->scissorMask = false; #endif } @@ -1731,6 +1757,7 @@ void QVGPaintEngine::clip(const QRect &rect, Qt::ClipOperation op) { d->maskValid = false; d->maskIsSet = true; + d->scissorMask = false; d->maskRect = QRect(); vgSeti(VG_MASKING, VG_FALSE); } @@ -1746,6 +1773,7 @@ void QVGPaintEngine::clip(const QRect &rect, Qt::ClipOperation op) vgSeti(VG_MASKING, VG_FALSE); d->maskValid = false; d->maskIsSet = true; + d->scissorMask = false; d->maskRect = QRect(); } else { // Special case: if the intersection of the system @@ -1763,6 +1791,7 @@ void QVGPaintEngine::clip(const QRect &rect, Qt::ClipOperation op) if (clip.rectCount() != 1) { d->maskValid = false; d->maskIsSet = false; + d->scissorMask = false; d->maskRect = QRect(); d->modifyMask(this, VG_FILL_MASK, r); break; @@ -1771,6 +1800,7 @@ void QVGPaintEngine::clip(const QRect &rect, Qt::ClipOperation op) } d->maskValid = false; d->maskIsSet = false; + d->scissorMask = true; d->maskRect = clipRect; vgSeti(VG_MASKING, VG_FALSE); updateScissor(); @@ -1781,13 +1811,30 @@ void QVGPaintEngine::clip(const QRect &rect, Qt::ClipOperation op) case Qt::IntersectClip: { QRect r = d->transform.mapRect(rect); - if (d->maskIsSet && isDefaultClipRect(r)) { + if (!d->maskValid) { + // Mask has not been used yet, so intersect with + // the previous scissor-based region in maskRect. + if (d->scissorMask) + r = r.intersect(d->maskRect); + if (isDefaultClipRect(r)) { + // The clip is the full window, so turn off clipping. + d->maskIsSet = true; + d->maskRect = QRect(); + } else { + // Activate the scissor on a smaller maskRect. + d->maskIsSet = false; + d->maskRect = r; + } + d->scissorMask = true; + updateScissor(); + } else if (d->maskIsSet && isDefaultClipRect(r)) { // Intersecting a full-window clip with a full-window // region is the same as turning off clipping. if (d->maskValid) vgSeti(VG_MASKING, VG_FALSE); d->maskValid = false; d->maskIsSet = true; + d->scissorMask = false; d->maskRect = QRect(); } else { d->modifyMask(this, VG_INTERSECT_MASK, r); @@ -1829,6 +1876,7 @@ void QVGPaintEngine::clip(const QRegion ®ion, Qt::ClipOperation op) { d->maskValid = false; d->maskIsSet = true; + d->scissorMask = false; d->maskRect = QRect(); vgSeti(VG_MASKING, VG_FALSE); } @@ -1844,6 +1892,7 @@ void QVGPaintEngine::clip(const QRegion ®ion, Qt::ClipOperation op) vgSeti(VG_MASKING, VG_FALSE); d->maskValid = false; d->maskIsSet = true; + d->scissorMask = false; d->maskRect = QRect(); } else { // Special case: if the intersection of the system @@ -1857,12 +1906,14 @@ void QVGPaintEngine::clip(const QRegion ®ion, Qt::ClipOperation op) if (clip.rectCount() == 1) { d->maskValid = false; d->maskIsSet = false; + d->scissorMask = true; d->maskRect = clip.boundingRect(); vgSeti(VG_MASKING, VG_FALSE); updateScissor(); } else { d->maskValid = false; d->maskIsSet = false; + d->scissorMask = false; d->maskRect = QRect(); d->modifyMask(this, VG_FILL_MASK, r); } @@ -1887,6 +1938,7 @@ void QVGPaintEngine::clip(const QRegion ®ion, Qt::ClipOperation op) vgSeti(VG_MASKING, VG_FALSE); d->maskValid = false; d->maskIsSet = true; + d->scissorMask = false; d->maskRect = QRect(); } else { d->modifyMask(this, VG_INTERSECT_MASK, r); @@ -1965,6 +2017,7 @@ void QVGPaintEngine::clip(const QPainterPath &path, Qt::ClipOperation op) if (op == Qt::NoClip) { d->maskValid = false; d->maskIsSet = true; + d->scissorMask = false; d->maskRect = QRect(); vgSeti(VG_MASKING, VG_FALSE); return; @@ -2000,6 +2053,7 @@ void QVGPaintEngine::clip(const QPainterPath &path, Qt::ClipOperation op) vgSeti(VG_MASKING, VG_TRUE); d->maskValid = true; d->maskIsSet = false; + d->scissorMask = false; #else QPaintEngineEx::clip(path, op); #endif @@ -2043,6 +2097,7 @@ void QVGPaintEnginePrivate::modifyMask vgSeti(VG_MASKING, VG_TRUE); maskValid = true; maskIsSet = false; + scissorMask = false; } void QVGPaintEnginePrivate::modifyMask @@ -2064,6 +2119,7 @@ void QVGPaintEnginePrivate::modifyMask vgSeti(VG_MASKING, VG_TRUE); maskValid = true; maskIsSet = false; + scissorMask = false; } #endif // !QVG_SCISSOR_CLIP @@ -2096,7 +2152,7 @@ void QVGPaintEngine::updateScissor() { #if !defined(QVG_SCISSOR_CLIP) // Combine the system clip with the simple mask rectangle. - if (!d->maskRect.isNull()) { + if (d->scissorMask) { if (region.isEmpty()) region = d->maskRect; else @@ -2187,6 +2243,7 @@ void QVGPaintEngine::clipEnabledChanged() // Replay the entire clip stack to put the mask into the right state. d->maskValid = false; d->maskIsSet = true; + d->scissorMask = false; d->maskRect = QRect(); s->clipRegion = defaultClipRegion(); d->replayClipOperations(); @@ -2196,6 +2253,7 @@ void QVGPaintEngine::clipEnabledChanged() vgSeti(VG_MASKING, VG_FALSE); d->maskValid = false; d->maskIsSet = false; + d->scissorMask = false; d->maskRect = QRect(); } #endif @@ -2314,12 +2372,7 @@ bool QVGPaintEngine::clearRect(const QRectF &rect, const QColor &color) Q_D(QVGPaintEngine); QVGPainterState *s = state(); if (!s->clipEnabled || s->clipOperation == Qt::NoClip) { - // The transform will either be identity or a simple translation, - // so do a simpler version of "r = d->transform.map(rect).toRect()". - QRect r = QRect(qRound(rect.x() + d->transform.dx()), - qRound(rect.y() + d->transform.dy()), - qRound(rect.width()), - qRound(rect.height())); + QRect r = d->transform.mapRect(rect).toRect(); int height = paintDevice()->height(); if (d->clearColor != color || d->clearOpacity != s->opacity) { VGfloat values[4]; @@ -3398,6 +3451,7 @@ void QVGPaintEngine::restoreState(QPaintEngine::DirtyFlags dirty) QPaintEngine::DirtyClipEnabled)) != 0) { d->maskValid = false; d->maskIsSet = false; + d->scissorMask = false; d->maskRect = QRect(); clipEnabledChanged(); } diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp index 6b251c7..cd4d5c2 100644 --- a/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp +++ b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp @@ -921,7 +921,7 @@ void QDirectFBScreenPrivate::setFlipFlags(const QStringList &args) qPrintable(flip)); } } else { - flipFlags = DSFLIP_BLIT; + flipFlags = DSFLIP_BLIT|DSFLIP_ONSYNC; } } diff --git a/src/plugins/imageformats/gif/qgifhandler.cpp b/src/plugins/imageformats/gif/qgifhandler.cpp index 6f049be..6cd7841 100644 --- a/src/plugins/imageformats/gif/qgifhandler.cpp +++ b/src/plugins/imageformats/gif/qgifhandler.cpp @@ -72,6 +72,7 @@ public: int decode(QImage *image, const uchar* buffer, int length, int *nextFrameDelay, int *loopCount, QSize *nextSize); + static int imageCount(QIODevice *device); bool newFrame; bool partialNewFrame; @@ -645,6 +646,234 @@ int QGIFFormat::decode(QImage *image, const uchar *buffer, int length, return initial-length; } +/*! + Returns the number of images that can be read from \a device. +*/ + +int QGIFFormat::imageCount(QIODevice *device) +{ + if (!device) + return 0; + + qint64 oldPos = device->pos(); + if (!device->seek(0)) + return 0; + + int colorCount = 0; + int localColorCount = 0; + int globalColorCount = 0; + int colorReadCount = 0; + bool localColormap = false; + bool globalColormap = false; + int count = 0; + int blockSize = 0; + bool done = false; + uchar hold[16]; + int imageCount = 0; + State state = Header; + + const int readBufferSize = 40960; // 40k read buffer + QByteArray readBuffer(device->read(readBufferSize)); + + if (readBuffer.isEmpty()) + return 0; + + // this is a specialized version of the state machine from decode(), + // which doesn't do any image decoding or mallocing, and has an + // optimized way of skipping SkipBlocks, ImageDataBlocks and + // Global/LocalColorMaps. + + while (!readBuffer.isEmpty()) { + int length = readBuffer.size(); + const uchar *buffer = (const uchar *) readBuffer.constData(); + while (!done && length) { + length--; + uchar ch = *buffer++; + switch (state) { + case Header: + hold[count++] = ch; + if (count == 6) { + state = LogicalScreenDescriptor; + count = 0; + } + break; + case LogicalScreenDescriptor: + hold[count++] = ch; + if (count == 7) { + globalColormap = !!(hold[4] & 0x80); + globalColorCount = 2 << (hold[4] & 0x7); + count = 0; + colorCount = globalColorCount; + if (globalColormap) { + int colorTableSize = 3 * globalColorCount; + if (length >= colorTableSize) { + // skip the global color table in one go + length -= colorTableSize; + buffer += colorTableSize; + state = Introducer; + } else { + colorReadCount = 0; + state = GlobalColorMap; + } + } else { + state=Introducer; + } + } + break; + case GlobalColorMap: + case LocalColorMap: + hold[count++] = ch; + if (count == 3) { + if (++colorReadCount >= colorCount) { + if (state == LocalColorMap) + state = TableImageLZWSize; + else + state = Introducer; + } + count = 0; + } + break; + case Introducer: + hold[count++] = ch; + switch (ch) { + case 0x2c: + state = ImageDescriptor; + break; + case 0x21: + state = ExtensionLabel; + break; + case 0x3b: + state = Done; + break; + default: + done = true; + state = Error; + } + break; + case ImageDescriptor: + hold[count++] = ch; + if (count == 10) { + localColormap = !!(hold[9] & 0x80); + localColorCount = localColormap ? (2 << (hold[9] & 0x7)) : 0; + if (localColorCount) + colorCount = localColorCount; + else + colorCount = globalColorCount; + imageCount++; + + count = 0; + if (localColormap) { + int colorTableSize = 3 * localColorCount; + if (length >= colorTableSize) { + // skip the local color table in one go + length -= colorTableSize; + buffer += colorTableSize; + state = TableImageLZWSize; + } else { + colorReadCount = 0; + state = LocalColorMap; + } + } else { + state = TableImageLZWSize; + } + } + break; + case TableImageLZWSize: + if (ch > max_lzw_bits) + state = Error; + else + state = ImageDataBlockSize; + count = 0; + break; + case ImageDataBlockSize: + blockSize = ch; + if (blockSize) { + if (length >= blockSize) { + // we can skip the block in one go + length -= blockSize; + buffer += blockSize; + count = 0; + } else { + state = ImageDataBlock; + } + } else { + state = Introducer; + } + break; + case ImageDataBlock: + ++count; + if (count == blockSize) { + count = 0; + state = ImageDataBlockSize; + } + break; + case ExtensionLabel: + switch (ch) { + case 0xf9: + state = GraphicControlExtension; + break; + case 0xff: + state = ApplicationExtension; + break; + default: + state = SkipBlockSize; + } + count = 0; + break; + case ApplicationExtension: + if (count < 11) + hold[count] = ch; + ++count; + if (count == hold[0] + 1) { + state = SkipBlockSize; + count = 0; + } + break; + case GraphicControlExtension: + if (count < 5) + hold[count] = ch; + ++count; + if (count == hold[0] + 1) { + count = 0; + state = SkipBlockSize; + } + break; + case NetscapeExtensionBlockSize: // fallthrough + case SkipBlockSize: + blockSize = ch; + count = 0; + if (blockSize) { + if (length >= blockSize) { + // we can skip the block in one go + length -= blockSize; + buffer += blockSize; + } else { + state = SkipBlock; + } + } else { + state = Introducer; + } + break; + case NetscapeExtensionBlock: // fallthrough + case SkipBlock: + ++count; + if (count == blockSize) + state = SkipBlockSize; + break; + case Done: + done = true; + break; + case Error: + device->seek(oldPos); + return 0; + } + } + readBuffer = device->read(readBufferSize); + } + device->seek(oldPos); + return imageCount; +} + void QGIFFormat::fillRect(QImage *image, int col, int row, int w, int h, QRgb color) { if (w>0) { @@ -766,6 +995,7 @@ QGifHandler::QGifHandler() loopCnt = 0; frameNumber = -1; nextSize = QSize(); + imageCnt = -1; } QGifHandler::~QGifHandler() @@ -883,7 +1113,10 @@ int QGifHandler::nextImageDelay() const int QGifHandler::imageCount() const { - return 0; // Don't know + if (imageCnt != -1) + return imageCnt; + imageCnt = QGIFFormat::imageCount(device()); + return imageCnt; } int QGifHandler::loopCount() const diff --git a/src/plugins/imageformats/gif/qgifhandler.h b/src/plugins/imageformats/gif/qgifhandler.h index a6e520f..830cd38 100644 --- a/src/plugins/imageformats/gif/qgifhandler.h +++ b/src/plugins/imageformats/gif/qgifhandler.h @@ -88,6 +88,7 @@ private: mutable int loopCnt; int frameNumber; mutable QSize nextSize; + mutable int imageCnt; }; QT_END_NAMESPACE diff --git a/src/plugins/imageformats/ico/qicohandler.cpp b/src/plugins/imageformats/ico/qicohandler.cpp index b2351fa..4edb87a 100644 --- a/src/plugins/imageformats/ico/qicohandler.cpp +++ b/src/plugins/imageformats/ico/qicohandler.cpp @@ -53,6 +53,7 @@ #include <QtGui/QImage> #include <QtCore/QFile> #include <QtCore/QBuffer> +#include <qvariant.h> // These next two structs represent how the icon information is stored // in an ICO file. typedef struct @@ -772,6 +773,29 @@ QtIcoHandler::~QtIcoHandler() delete m_pICOReader; } +QVariant QtIcoHandler::option(ImageOption option) const +{ + if (option == Size) { + QIODevice *device = QImageIOHandler::device(); + qint64 oldPos = device->pos(); + ICONDIRENTRY iconEntry; + if (device->seek(oldPos + ICONDIR_SIZE + (m_currentIconIndex * ICONDIRENTRY_SIZE))) { + if (readIconDirEntry(device, &iconEntry)) { + device->seek(oldPos); + return QSize(iconEntry.bWidth, iconEntry.bHeight); + } + } + if (!device->isSequential()) + device->seek(oldPos); + } + return QVariant(); +} + +bool QtIcoHandler::supportsOption(ImageOption option) const +{ + return option == Size; +} + /*! * Verifies if some values (magic bytes) are set as expected in the header of the file. * If the magic bytes were found, it is assumed that the QtIcoHandler can read the file. diff --git a/src/plugins/imageformats/ico/qicohandler.h b/src/plugins/imageformats/ico/qicohandler.h index b9ef27e..394a5eb 100644 --- a/src/plugins/imageformats/ico/qicohandler.h +++ b/src/plugins/imageformats/ico/qicohandler.h @@ -62,6 +62,9 @@ public: static bool canRead(QIODevice *device); + bool supportsOption(ImageOption option) const; + QVariant option(ImageOption option) const; + private: int m_currentIconIndex; ICOReader *m_pICOReader; |