113 lines
3.2 KiB
C++
113 lines
3.2 KiB
C++
//------------------------------------------------------------------------------
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// Copyright (c) 2001-2005, Haiku, Inc.
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//
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// Distributed under the terms of the MIT license.
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//
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// File Name: Bitmap.h
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// Author: Ingo Weinhold (bonefish@users.sf.net)
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// Description: BBitmap objects represent off-screen windows that
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// contain bitmap data.
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//------------------------------------------------------------------------------
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#ifndef _BITMAP_H
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#define _BITMAP_H
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#include <Archivable.h>
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#include <InterfaceDefs.h>
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#include <Rect.h>
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enum {
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B_BITMAP_CLEAR_TO_WHITE = 0x00000001,
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B_BITMAP_ACCEPTS_VIEWS = 0x00000002,
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B_BITMAP_IS_AREA = 0x00000004,
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B_BITMAP_IS_LOCKED = 0x00000008 | B_BITMAP_IS_AREA,
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B_BITMAP_IS_CONTIGUOUS = 0x00000010 | B_BITMAP_IS_LOCKED,
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B_BITMAP_IS_OFFSCREEN = 0x00000020,
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B_BITMAP_WILL_OVERLAY = 0x00000040 | B_BITMAP_IS_OFFSCREEN,
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B_BITMAP_RESERVE_OVERLAY_CHANNEL = 0x00000080,
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B_BITMAP_NO_SERVER_LINK = 0x00000100
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};
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#define B_ANY_BYTES_PER_ROW -1
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//----------------------------------------------------------------//
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//----- BBitmap class --------------------------------------------//
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class BBitmap : public BArchivable {
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public:
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BBitmap(BRect bounds, uint32 flags, color_space colorSpace,
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int32 bytesPerRow = B_ANY_BYTES_PER_ROW,
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screen_id screenID = B_MAIN_SCREEN_ID);
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BBitmap(BRect bounds, color_space colorSpace, bool acceptsViews = false,
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bool needsContiguous = false);
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BBitmap(const BBitmap *source, bool acceptsViews = false,
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bool needsContiguous = false);
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virtual ~BBitmap();
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// Archiving
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BBitmap(BMessage *data);
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static BArchivable *Instantiate(BMessage *data);
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virtual status_t Archive(BMessage *data, bool deep = true) const;
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status_t InitCheck() const;
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bool IsValid() const;
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status_t LockBits(uint32 *state = NULL);
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void UnlockBits();
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area_id Area() const;
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void *Bits() const;
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int32 BitsLength() const;
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int32 BytesPerRow() const;
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color_space ColorSpace() const;
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BRect Bounds() const;
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void SetBits(const void *data, int32 length, int32 offset,
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color_space colorSpace);
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// not part of the R5 API
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status_t ImportBits(const void *data, int32 length, int32 bpr,
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int32 offset, color_space colorSpace);
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status_t ImportBits(const BBitmap *bitmap);
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status_t GetOverlayRestrictions(overlay_restrictions *restrictions) const;
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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 _ReservedBitmap1();
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virtual void _ReservedBitmap2();
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virtual void _ReservedBitmap3();
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BBitmap(const BBitmap &);
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BBitmap &operator=(const BBitmap &);
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char *get_shared_pointer() const;
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int32 get_server_token() const;
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void InitObject(BRect bounds, color_space colorSpace, uint32 flags,
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int32 bytesPerRow, screen_id screenID);
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void CleanUp();
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void AssertPtr();
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void *fBasePtr;
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int32 fSize;
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color_space fColorSpace;
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BRect fBounds;
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int32 fBytesPerRow;
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int32 fServerToken;
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int32 fToken;
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uint8 unused;
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area_id fArea;
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area_id fOrigArea;
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uint32 fFlags;
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status_t fInitError;
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};
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/*-------------------------------------------------------------*/
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/*-------------------------------------------------------------*/
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#endif // _BITMAP_H
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