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Diffstat (limited to 'src/declarative/scenegraph/coreapi/node.h')
| -rw-r--r-- | src/declarative/scenegraph/coreapi/node.h | 371 |
1 files changed, 0 insertions, 371 deletions
diff --git a/src/declarative/scenegraph/coreapi/node.h b/src/declarative/scenegraph/coreapi/node.h deleted file mode 100644 index e01afca088..0000000000 --- a/src/declarative/scenegraph/coreapi/node.h +++ /dev/null @@ -1,371 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef NODE_H -#define NODE_H - -#include "qsggeometry.h" -#include <QtGui/QMatrix4x4> - -#include <float.h> - -QT_BEGIN_HEADER - -QT_BEGIN_NAMESPACE - -QT_MODULE(Declarative) - -#define QML_RUNTIME_TESTING - -class Renderer; - -class Node; -class RootNode; -class GeometryNode; -class TransformNode; -class ClipNode; - -class Q_DECLARATIVE_EXPORT Node -{ -public: - enum NodeType { - BasicNodeType, - RootNodeType, - GeometryNodeType, - TransformNodeType, - ClipNodeType, - OpacityNodeType, - UserNodeType = 1024 - }; - - enum DirtyFlag { - DirtyMatrix = 0x0001, - DirtyClipList = 0x0002, - DirtyNodeAdded = 0x0004, - DirtyNodeRemoved = 0x0008, - DirtyGeometry = 0x0010, - DirtyRenderOrder = 0x0020, - DirtyMaterial = 0x0100, - DirtyOpacity = 0x0200, - DirtyAll = 0xffff, - - DirtyPropagationMask = DirtyMatrix - | DirtyClipList - | DirtyNodeAdded - | DirtyOpacity, - - }; - Q_DECLARE_FLAGS(DirtyFlags, DirtyFlag) - - enum Flag { - OwnedByParent = 0x0001, - UsePreprocess = 0x0002, - ChildrenDoNotOverloap = 0x0004, - - // BasicGeometryNode - OwnsGeometry = 0x00010000 - }; - Q_DECLARE_FLAGS(Flags, Flag) - - enum NodeSubType { - DefaultNodeSubType, - - TextNodeSubType, - GlyphNodeSubType, - SolidRectNodeSubType, - PixmapNodeSubType, - QuadNodeSubType, - EffectSubTreeNodeSubType, - TextureNodeInterfaceSubType, - }; - - Node(); - virtual ~Node(); - - Node *parent() const { return m_parent; } - - void removeChildNode(Node *node); - void prependChildNode(Node *node); - void appendChildNode(Node *node); - void insertChildNodeBefore(Node *node, Node *before); - void insertChildNodeAfter(Node *node, Node *after); - - int childCount() const { return m_children.size(); } - Node *childAtIndex(int i) const { return m_children.at(i); } - - virtual NodeType type() const { return BasicNodeType; } - - virtual NodeSubType subType() const { return DefaultNodeSubType; } - - void clearDirty() { m_flags = 0; } - void markDirty(DirtyFlags flags); - DirtyFlags dirtyFlags() const { return m_flags; } - - virtual bool isSubtreeBlocked() const { return false; } - - Flags flags() const { return m_nodeFlags; } - void setFlag(Flag, bool = true); - - virtual void preprocess() { } - -#ifdef QML_RUNTIME_TESTING - QString description; -#endif - -protected: - // When a node is destroyed, it will detach from the scene graph and the renderer will be - // notified about the change. If the node is detached in the base node's destructor, the - // renderer can't check what type the node originally was because the node's type() method is - // virtual and will return the base node type. The renderer might therefore react incorrectly - // to the change. There are a few of ways I can think of to solve the problem: - // - The renderer must take into account that the notify method might be called from a node's - // destructor. - // - The node can have a type property that is set in the constructor. - // - All the node destructors must call a common destroy method. - // I choose the third option since that will allow the renderer to treat the nodes as their - // proper types. - - void destroy(); - -private: - Node *m_parent; - QList<Node *> m_children; - - Flags m_nodeFlags; - DirtyFlags m_flags; -}; - -Q_DECLARE_OPERATORS_FOR_FLAGS(Node::DirtyFlags); -Q_DECLARE_OPERATORS_FOR_FLAGS(Node::Flags); - -class Q_DECLARATIVE_EXPORT BasicGeometryNode : public Node -{ -public: -// enum UsagePattern { -// Static, -// Dynamic, -// Stream -// }; -// void setUsagePattern(UsagePattern pattern); -// UsagePattern usagePattern() const { return m_pattern; } - - BasicGeometryNode(); - ~BasicGeometryNode(); - - void setGeometry(QSGGeometry *geometry); - const QSGGeometry *geometry() const { return m_geometry; } - QSGGeometry *geometry() { return m_geometry; } - - const QMatrix4x4 *matrix() const { return m_matrix; } - const ClipNode *clipList() const { return m_clip_list; } - -private: - friend class NodeUpdater; - QSGGeometry *m_geometry; - - int m_reserved_start_index; - int m_reserved_end_index; - - const QMatrix4x4 *m_matrix; - const ClipNode *m_clip_list; - -// UsagePattern m_pattern; -}; - -class AbstractMaterial; - -class Q_DECLARATIVE_EXPORT GeometryNode : public BasicGeometryNode -{ -public: - GeometryNode(); - ~GeometryNode(); - - void setMaterial(AbstractMaterial *material); - AbstractMaterial *material() const { return m_material; } - - void setOpaqueMaterial(AbstractMaterial *material); - AbstractMaterial *opaqueMaterial() const { return m_opaque_material; } - - AbstractMaterial *activeMaterial() const; - - virtual NodeType type() const { return GeometryNodeType; } - - void setRenderOrder(int order); - int renderOrder() const { return m_render_order; } - - void setInheritedOpacity(qreal opacity); - qreal inheritedOpacity() const { return m_opacity; } - -private: - friend class NodeUpdater; - - int m_render_order; - AbstractMaterial *m_material; - AbstractMaterial *m_opaque_material; - - qreal m_opacity; -}; - -class Q_DECLARATIVE_EXPORT ClipNode : public BasicGeometryNode -{ -public: - ClipNode(); - ~ClipNode(); - - virtual NodeType type() const { return ClipNodeType; } - - void setIsRectangular(bool rectHint); - bool isRectangular() const { return m_is_rectangular; } - - void setClipRect(const QRectF &); - QRectF clipRect() const { return m_clip_rect; } - -private: - uint m_is_rectangular : 1; - uint m_reserved : 31; - - QRectF m_clip_rect; -}; - - -class Q_DECLARATIVE_EXPORT TransformNode : public Node -{ -public: - TransformNode(); - ~TransformNode(); - - virtual NodeType type() const { return TransformNodeType; } - - void setMatrix(const QMatrix4x4 &matrix); - const QMatrix4x4 &matrix() const { return m_matrix; } - - void setCombinedMatrix(const QMatrix4x4 &matrix); - const QMatrix4x4 &combinedMatrix() const { return m_combined_matrix; } - -private: - QMatrix4x4 m_matrix; - QMatrix4x4 m_combined_matrix; -}; - - -class Q_DECLARATIVE_EXPORT RootNode : public Node -{ -public: - ~RootNode(); - NodeType type() const { return RootNodeType; } - -private: - void notifyNodeChange(Node *node, DirtyFlags flags); - - friend class Renderer; - friend class Node; - friend class GeometryNode; - - QList<Renderer *> m_renderers; -}; - - -class Q_DECLARATIVE_EXPORT OpacityNode : public Node -{ -public: - OpacityNode(); - ~OpacityNode(); - - void setOpacity(qreal opacity); - qreal opacity() const { return m_opacity; } - - void setCombinedOpacity(qreal opacity); - qreal combinedOpacity() const { return m_combined_opacity; } - - virtual Node::NodeType type() const { return OpacityNodeType; } - - bool isSubtreeBlocked() const; - - -private: - qreal m_opacity; - qreal m_combined_opacity; -}; - -class Q_DECLARATIVE_EXPORT NodeVisitor { -public: - virtual ~NodeVisitor(); - -protected: - virtual void enterTransformNode(TransformNode *) {} - virtual void leaveTransformNode(TransformNode *) {} - virtual void enterClipNode(ClipNode *) {} - virtual void leaveClipNode(ClipNode *) {} - virtual void enterGeometryNode(GeometryNode *) {} - virtual void leaveGeometryNode(GeometryNode *) {} - virtual void enterOpacityNode(OpacityNode *) {} - virtual void leaveOpacityNode(OpacityNode *) {} - virtual void visitNode(Node *n); - virtual void visitChildren(Node *n); -}; - -#ifndef QT_NO_DEBUG_STREAM -Q_DECLARATIVE_EXPORT QDebug operator<<(QDebug, const Node *n); -Q_DECLARATIVE_EXPORT QDebug operator<<(QDebug, const GeometryNode *n); -Q_DECLARATIVE_EXPORT QDebug operator<<(QDebug, const TransformNode *n); -Q_DECLARATIVE_EXPORT QDebug operator<<(QDebug, const OpacityNode *n); -Q_DECLARATIVE_EXPORT QDebug operator<<(QDebug, const RootNode *n); - -class NodeDumper : public NodeVisitor { - -public: - static void dump(Node *n); - - NodeDumper() : m_indent(0) {} - void visitNode(Node *n); - void visitChildren(Node *n); - -private: - int m_indent; -}; - -#endif - -QT_END_NAMESPACE - -QT_END_HEADER - -#endif // NODE_H |