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