haiku/headers/os/interface/Bitmap.h
Axel Dörfler fdd0f4ce10 * Made copy constructor and assign public and implemented them.
* Added BBitmap(const BBitmap&, uint32 flags) constructor as found in Dano/Zeta.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19270 a95241bf-73f2-0310-859d-f6bbb57e9c96
2006-11-13 18:56:44 +00:00

129 lines
3.5 KiB
C++

/*
* Copyright 2001-2006, Haiku.
* Distributed under the terms of the MIT License.
*
* Authors:
* Ingo Weinhold (bonefish@users.sf.net)
*/
#ifndef _BITMAP_H
#define _BITMAP_H
#include <Archivable.h>
#include <InterfaceDefs.h>
#include <Rect.h>
class BPrivateScreen;
class BWindow;
enum {
B_BITMAP_CLEAR_TO_WHITE = 0x00000001,
B_BITMAP_ACCEPTS_VIEWS = 0x00000002,
B_BITMAP_IS_AREA = 0x00000004,
B_BITMAP_IS_LOCKED = 0x00000008 | B_BITMAP_IS_AREA,
B_BITMAP_IS_CONTIGUOUS = 0x00000010 | B_BITMAP_IS_LOCKED,
B_BITMAP_IS_OFFSCREEN = 0x00000020,
B_BITMAP_WILL_OVERLAY = 0x00000040 | B_BITMAP_IS_OFFSCREEN,
B_BITMAP_RESERVE_OVERLAY_CHANNEL = 0x00000080,
B_BITMAP_NO_SERVER_LINK = 0x00000100
};
#define B_ANY_BYTES_PER_ROW -1
class BBitmap : public BArchivable {
public:
BBitmap(BRect bounds, uint32 flags, color_space colorSpace,
int32 bytesPerRow = B_ANY_BYTES_PER_ROW,
screen_id screenID = B_MAIN_SCREEN_ID);
BBitmap(BRect bounds, color_space colorSpace, bool acceptsViews = false,
bool needsContiguous = false);
BBitmap(const BBitmap& source, uint32 flags);
BBitmap(const BBitmap& source);
BBitmap(const BBitmap *source, bool acceptsViews = false,
bool needsContiguous = false);
virtual ~BBitmap();
// Archiving
BBitmap(BMessage *data);
static BArchivable *Instantiate(BMessage *data);
virtual status_t Archive(BMessage *data, bool deep = true) const;
status_t InitCheck() const;
bool IsValid() const;
status_t LockBits(uint32 *state = NULL);
void UnlockBits();
area_id Area() const;
void *Bits() const;
int32 BitsLength() const;
int32 BytesPerRow() const;
color_space ColorSpace() const;
BRect Bounds() const;
uint32 Flags() const;
void SetBits(const void *data, int32 length, int32 offset,
color_space colorSpace);
// not part of the R5 API
status_t ImportBits(const void *data, int32 length, int32 bpr,
int32 offset, color_space colorSpace);
status_t ImportBits(const void *data, int32 length, int32 bpr,
color_space colorSpace, BPoint from, BPoint to,
int32 width, int32 height);
status_t ImportBits(const BBitmap *bitmap);
status_t ImportBits(const BBitmap *bitmap, BPoint from, BPoint to,
int32 width, int32 height);
status_t GetOverlayRestrictions(overlay_restrictions *restrictions) const;
// to mimic a BWindow
virtual void AddChild(BView *view);
virtual bool RemoveChild(BView *view);
int32 CountChildren() const;
BView *ChildAt(int32 index) const;
BView *FindView(const char *viewName) const;
BView *FindView(BPoint point) const;
bool Lock();
void Unlock();
bool IsLocked() const;
BBitmap& operator=(const BBitmap& source);
//----- Private or reserved -----------------------------------------//
virtual status_t Perform(perform_code d, void *arg);
private:
friend class BView;
friend class BApplication;
friend class BPrivateScreen;
virtual void _ReservedBitmap1();
virtual void _ReservedBitmap2();
virtual void _ReservedBitmap3();
int32 _ServerToken() const;
void _InitObject(BRect bounds, color_space colorSpace, uint32 flags,
int32 bytesPerRow, screen_id screenID);
void _CleanUp();
void _AssertPointer();
uint8 *fBasePointer;
int32 fSize;
color_space fColorSpace;
BRect fBounds;
int32 fBytesPerRow;
BWindow *fWindow;
int32 fServerToken;
int32 fAreaOffset;
uint8 unused;
area_id fArea;
area_id fServerArea;
uint32 fFlags;
status_t fInitError;
};
#endif // _BITMAP_H