haiku/headers/build/os/interface/Screen.h

102 lines
3.4 KiB
C
Raw Normal View History

/*******************************************************************************
/
/ File: Screen.h
/
/ Description: BScreen provides information about a screen's current
/ display settings. It also lets you set the Desktop color.
/
/ Copyright 1993-98, Be Incorporated, All Rights Reserved
/
*******************************************************************************/
#ifndef _SCREEN_H
#define _SCREEN_H
#include <BeBuild.h>
#include <Accelerant.h>
#include <GraphicsDefs.h>
#include <Rect.h>
#include <OS.h>
/*----------------------------------------------------------------*/
/*----- BScreen structures and declarations ----------------------*/
class BWindow;
class BPrivateScreen;
/*----------------------------------------------------------------*/
/*----- BScreen class --------------------------------------------*/
class BScreen {
public:
BScreen( screen_id id=B_MAIN_SCREEN_ID );
BScreen( BWindow *win );
~BScreen();
bool IsValid();
status_t SetToNext();
color_space ColorSpace();
BRect Frame();
screen_id ID();
status_t WaitForRetrace();
status_t WaitForRetrace(bigtime_t timeout);
uint8 IndexForColor( rgb_color rgb );
uint8 IndexForColor( uint8 r, uint8 g, uint8 b, uint8 a=255 );
rgb_color ColorForIndex( const uint8 index );
uint8 InvertIndex( uint8 index );
const color_map* ColorMap();
status_t GetBitmap( BBitmap **screen_shot,
bool draw_cursor = true,
BRect *bound = NULL);
status_t ReadBitmap( BBitmap *buffer,
bool draw_cursor = true,
BRect *bound = NULL);
rgb_color DesktopColor();
rgb_color DesktopColor(uint32 index);
void SetDesktopColor( rgb_color rgb, bool stick=true );
void SetDesktopColor( rgb_color rgb, uint32 index, bool stick=true );
status_t ProposeMode(display_mode *target, const display_mode *low, const display_mode *high);
status_t GetModeList(display_mode **mode_list, uint32 *count);
status_t GetMode(display_mode *mode);
status_t GetMode(uint32 workspace, display_mode *mode);
status_t SetMode(display_mode *mode, bool makeDefault = false);
status_t SetMode(uint32 workspace, display_mode *mode, bool makeDefault = false);
status_t GetDeviceInfo(accelerant_device_info *adi);
status_t GetPixelClockLimits(display_mode *mode, uint32 *low, uint32 *high);
status_t GetTimingConstraints(display_timing_constraints *dtc);
status_t SetDPMS(uint32 dpms_state);
uint32 DPMSState(void);
uint32 DPMSCapabilites(void);
BPrivateScreen* private_screen();
/*----- Private or reserved -----------------------------------------*/
private:
status_t ProposeDisplayMode(display_mode *target, const display_mode *low, const display_mode *high);
BScreen &operator=(const BScreen &screen);
BScreen(const BScreen &screen);
void* BaseAddress();
uint32 BytesPerRow();
BPrivateScreen *screen;
};
/*----------------------------------------------------------------*/
/*----- inline definitions ---------------------------------------*/
inline uint8 BScreen::IndexForColor( rgb_color rgb )
{ return IndexForColor(rgb.red,rgb.green,rgb.blue,rgb.alpha); }
/*-------------------------------------------------------------*/
/*-------------------------------------------------------------*/
#endif /* _SCREEN_H */