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{
fpGUI - Free Pascal GUI Library
GFX_xxx - Template for new targets
Copyright (C) 2000 - 2006 See the file AUTHORS.txt, included in this
distribution, for details of the copyright.
See the file COPYING.modifiedLGPL, included in this distribution,
for details about redistributing fpGUI.
This program 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.
}
unit GFX_xxx;
{$ifdef fpc}
{$mode delphi}{$H+}
{$endif}
interface
uses
SysUtils, Classes,
GfxBase;
type
ExxxError = class(EGfxError);
{ TxxxFont }
TxxxFont = class(TFCustomFont)
public
class function GetDefaultFontName(const AFontClass: TGfxFontClass): String; override;
constructor Create(const Descriptor: String);
destructor Destroy; override;
end;
{ TxxxCanvas }
TxxxCanvas = class(TFCustomCanvas)
protected
function DoExcludeClipRect(const ARect: TRect): Boolean; override;
function DoIntersectClipRect(const ARect: TRect): Boolean; override;
function DoUnionClipRect(const ARect: TRect): Boolean; override;
function DoGetClipRect: TRect; override;
procedure DoDrawArc(const ARect: TRect; StartAngle, EndAngle: Single); override;
procedure DoDrawCircle(const ARect: TRect); override;
procedure DoDrawLine(const AFrom, ATo: TPoint); override;
procedure DoDrawPoint(const APoint: TPoint); override;
procedure DoFillRect(const ARect: TRect); override;
procedure DoTextOut(const APosition: TPoint; const AText: String); override;
procedure DoCopyRect(ASource: TFCustomCanvas; const ASourceRect: TRect; const ADestPos: TPoint); override;
procedure DoMaskedCopyRect(ASource, AMask: TFCustomCanvas; const ASourceRect: TRect; const AMaskPos, ADestPos: TPoint); override;
procedure DoDrawImageRect(AImage: TFCustomBitmap; ASourceRect: TRect; const ADestPos: TPoint); override;
public
constructor Create(AHandle: HDC);
destructor Destroy; override;
function MapColor(const AColor: TGfxColor): TGfxPixel; override;
function FontCellHeight: Integer; override;
function TextExtent(const AText: String): TSize; override;
procedure SaveState; override;
procedure RestoreState; override;
procedure EmptyClipRect; override;
procedure SetColor_(AColor: TGfxPixel); override;
procedure SetFont(AFont: TFCustomFont); override;
procedure SetLineStyle(ALineStyle: TGfxLineStyle); override;
property Handle: HDC read FHandle;
end;
TxxxWindowCanvas = class(TxxxCanvas)
private
FWnd: HWND;
public
constructor Create(AWnd: HWND);
destructor Destroy; override;
end;
TxxxBitmapCanvas = class(TxxxCanvas)
public
constructor Create(ABitmap: HBITMAP; AWidth, AHeight: Integer);
destructor Destroy; override;
end;
{ TxxxBitmap }
TxxxBitmap = class(TFCustomBitmap)
private
IsLocked: Boolean;
public
constructor Create(AWidth, AHeight: Integer; APixelFormat: TGfxPixelFormat); override;
destructor Destroy; override;
procedure Lock(var AData: Pointer; var AStride: LongWord); override;
procedure Unlock; override;
end;
{ TxxxScreen }
TxxxScreen = class(TFCustomScreen)
public
constructor Create; override;
end;
{ TxxxApplication }
TxxxApplication = class(TFCustomApplication)
private
DoBreakRun: Boolean;
public
{ default methods }
constructor Create; override;
destructor Destroy; override;
procedure AddWindow(AWindow: TFCustomWindow); override;
procedure Initialize(ADisplayName: String = ''); override;
procedure Run; override;
procedure Quit; override;
end;
{ TxxxWindow }
TxxxWindow = class(TFCustomWindow)
protected
function GetTitle: String; override;
procedure SetTitle(const ATitle: String); override;
procedure DoSetCursor; override;
public
constructor Create(AParent: TFCustomWindow; AWindowOptions: TGfxWindowOptions); override;
destructor Destroy; override;
procedure DefaultHandler(var Message); override;
procedure SetPosition(const APosition: TPoint); override;
procedure SetSize(const ASize: TSize); override;
procedure SetMinMaxSize(const AMinSize, AMaxSize: TSize); override;
procedure SetClientSize(const ASize: TSize); override;
procedure SetMinMaxClientSize(const AMinSize, AMaxSize: TSize); override;
procedure Show; override;
procedure Invalidate(const ARect: TRect); override;
procedure PaintInvalidRegion; override;
procedure CaptureMouse; override;
procedure ReleaseMouse; override;
end;
implementation
uses fpgfx;
end.
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