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{
This file is part of the PTCPas framebuffer library
Copyright (C) 2001-2012 Nikolay Nikolov (nickysn@users.sourceforge.net)
Original C++ version by Christian Nentwich (c.nentwich@cs.ucl.ac.uk)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version
with the following modification:
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent modules,and
to copy and distribute the resulting executable under terms of your choice,
provided that you also meet, for each linked independent module, the terms
and conditions of the license of that module. An independent module is a
module which is not derived from or based on this library. If you modify
this library, you may extend this exception to your version of the library,
but you are not obligated to do so. If you do not wish to do so, delete this
exception statement from your version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
}
{$IFDEF ENABLE_X11_EXTENSION_XF86DGA1}
type
TX11DGA1Display = class(TX11Display)
private
FOpen: Boolean;
FModeInfo: PPXF86VidModeModeInfo;
FModeInfoNum: Integer;
FPreviousMode: Integer;
FDGAAddr: PByte;
FDGALineWidth: Integer;
FDGABankSize: Integer;
FDGAMemSize: Integer;
FDGAWidth, FDGAHeight: Integer;
{ Coordinates of upper left frame corner }
FDestX, FDestY: Integer;
FInDirect, FInMode: Boolean;
procedure HandleEvents;
protected
function NextEvent(out AEvent: IPTCEvent; AWait: Boolean; const AEventMask: TPTCEventMask): Boolean; override;
function PeekEvent(AWait: Boolean; const AEventMask: TPTCEventMask): IPTCEvent; override;
public
constructor Create(ADisplay: PDisplay; AScreen: Integer; const AFlags: TX11Flags); override;
destructor Destroy; override;
procedure Open(ATitle: string; AWidth, AHeight: Integer; AFormat: IPTCFormat; const AOpenGLAttributes: IPTCOpenGLAttributes); override;
procedure Open(AWindow: TWindow; AFormat: IPTCFormat); override;
procedure Open(AWindow: TWindow; AFormat: IPTCFormat; AX, AY, AWidth, AHeight: Integer); override;
procedure Close; override;
procedure GetModes(var AModes: TPTCModeList); override;
procedure Update; override;
procedure Update(AArea: IPTCArea); override;
function Lock: Pointer; override;
procedure Unlock; override;
procedure Palette(APalette: IPTCPalette); override;
function GetPitch: Integer; override;
function GetX11Window: TWindow; override;
function IsFullScreen: Boolean; override;
function IsOpen: Boolean; override;
procedure SetCursor(AVisible: Boolean); override;
procedure SetMouseGrab(AGrabMouse: Boolean); override;
end;
{$ENDIF ENABLE_X11_EXTENSION_XF86DGA1}
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