76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
/*
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* Copyright 2002-2006, 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 _SCREENSAVER_H
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#define _SCREENSAVER_H
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#include <BeBuild.h>
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#include <DirectWindow.h>
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#include <image.h>
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#include <Message.h>
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class BView;
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class BScreenSaver {
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public:
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BScreenSaver(BMessage* archive, image_id thisImage);
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virtual ~BScreenSaver();
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virtual status_t InitCheck();
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virtual status_t StartSaver(BView* view, bool preview);
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virtual void StopSaver();
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virtual void Draw(BView* view, int32 frame);
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// direct screen access
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virtual void DirectConnected(direct_buffer_info* info);
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virtual void DirectDraw(int32 frame);
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// configuration dialog methods
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virtual void StartConfig(BView* configView);
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virtual void StopConfig();
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// Module should fill this in with metadata
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// example: randomizable = true
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virtual void SupplyInfo(BMessage* info) const;
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// Send all the metadata info to the module
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virtual void ModulesChanged(const BMessage* info);
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// BArchivable like parameter saver method
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virtual status_t SaveState(BMessage* into) const;
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// These methods can be used to control drawing frequency.
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void SetTickSize(bigtime_t tickSize);
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bigtime_t TickSize() const;
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// These methods can be used to control animation loop cycles
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void SetLoop(int32 onCount, int32 offCount);
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int32 LoopOnCount() const;
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int32 LoopOffCount() const;
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private:
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virtual void _ReservedScreenSaver1();
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virtual void _ReservedScreenSaver2();
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virtual void _ReservedScreenSaver3();
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virtual void _ReservedScreenSaver4();
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virtual void _ReservedScreenSaver5();
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virtual void _ReservedScreenSaver6();
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virtual void _ReservedScreenSaver7();
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virtual void _ReservedScreenSaver8();
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bigtime_t fTickSize;
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int32 fLoopOnCount;
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int32 fLoopOffCount;
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uint32 _reserved[6];
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};
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extern "C" _EXPORT BScreenSaver *instantiate_screen_saver(BMessage *msg, image_id id);
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#endif // _SCREENSAVER_H
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