f591e3a0f2
* handle out of memory situations * don't try to copy (and assign op!) in SetData if opCount/ptCount is 0 -> FontDemo doesn't crash anymore eventually when cycling fonts in outline mode git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22000 a95241bf-73f2-0310-859d-f6bbb57e9c96
97 lines
2.3 KiB
C++
97 lines
2.3 KiB
C++
/*
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* Copyright 2006, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _SHAPE_H
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#define _SHAPE_H
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#include <BeBuild.h>
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#include <Archivable.h>
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namespace BPrivate {
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class ServerLink;
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class PicturePlayer;
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};
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/*----------------------------------------------------------------*/
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/*----- BShapeIterator class -------------------------------------*/
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class BShapeIterator {
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public:
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BShapeIterator();
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virtual ~BShapeIterator();
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virtual status_t IterateMoveTo(BPoint *point);
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virtual status_t IterateLineTo(int32 lineCount, BPoint *linePts);
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virtual status_t IterateBezierTo(int32 bezierCount, BPoint *bezierPts);
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virtual status_t IterateClose();
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status_t Iterate(BShape *shape);
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private:
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virtual void _ReservedShapeIterator1();
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virtual void _ReservedShapeIterator2();
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virtual void _ReservedShapeIterator3();
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virtual void _ReservedShapeIterator4();
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uint32 reserved[4];
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};
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/*----------------------------------------------------------------*/
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/*----- BShape class ---------------------------------------------*/
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class BShape : public BArchivable {
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public:
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BShape();
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BShape(const BShape ©From);
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BShape(BMessage *data);
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virtual ~BShape();
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virtual status_t Archive(BMessage *into, bool deep = true) const;
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static BArchivable *Instantiate(BMessage *data);
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void Clear();
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BRect Bounds() const;
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status_t AddShape(const BShape *other);
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status_t MoveTo(BPoint point);
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status_t LineTo(BPoint linePoint);
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status_t BezierTo(BPoint controlPoints[3]);
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status_t Close();
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/*----- Private or reserved ---------------*/
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virtual status_t Perform(perform_code d, void *arg);
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private:
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virtual void _ReservedShape1();
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virtual void _ReservedShape2();
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virtual void _ReservedShape3();
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virtual void _ReservedShape4();
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friend class BShapeIterator;
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friend class BView;
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friend class BFont;
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friend class BPrivate::PicturePlayer;
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friend class BPrivate::ServerLink;
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void GetData(int32 *opCount, int32 *ptCount, uint32 **opList, BPoint **ptList);
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void SetData(int32 opCount, int32 ptCount, const uint32 *opList, const BPoint *ptList);
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void InitData();
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bool AllocatePts(int32 count);
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bool AllocateOps(int32 count);
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uint32 fState;
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uint32 fBuildingOp;
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void * fPrivateData;
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uint32 reserved[4];
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};
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#endif
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