Как прочитать список возможностей принтера?

uses
 Printers;
//------------------------------------------------------------------------------
// Printer Device Debugging Code to TMemo Componenet
// (c) - 1999 / by A. Weidauer
// alex.weiauer@huckfinn.de
//------------------------------------------------------------------------------
procedure GetDeviceSettings(DevCtrl: TMemo);
var
 Sep: string;
 //-----------------------------------------------
 procedure MakeInt(S: string; key: Integer);
 begin
 S := UpperCase(S);
 DevCtrl.Lines.Add(UpperCase(Format(' %36S = %d ',
 [s, GetDeviceCaps(Printer.Handle, Key)])));
 end;
 //-----------------------------------------------
 function StringToBits(S: string): string;
 var
 H: string;
 i: Integer;
 //-----------------------------------------------
 function SubStr(C: Char): string;
 begin
 if c = '0' then SubStr := '0000';
 if c = '1' then SubStr := '0001';
 if c = '2' then SubStr := '0010';
 if c = '3' then SubStr := '0011';
 if c = '4' then SubStr := '0100';
 if c = '5' then SubStr := '0101';
 if c = '6' then SubStr := '0110';
 if c = '7' then SubStr := '0111';
 if c = '8' then SubStr := '1000';
 if c = '9' then SubStr := '1001';
 if c = 'A' then SubStr := '1010';
 if c = 'B' then SubStr := '1011';
 if c = 'C' then SubStr := '1100';
 if c = 'D' then SubStr := '1101';
 if c = 'E' then SubStr := '1110';
 if c = 'F' then SubStr := '1111';
 end;
 //-----------------------------------------------
 begin
 StringToBits := ;
 S := UpperCase(s);
 H := ;
 if Length(S) = 0 then Exit;
 if Length(S) = 1 then S := '0000' + S;
 if Length(S) = 2 then S := '000' + S;
 if Length(S) = 3 then S := '00' + S;
 if Length(S) = 4 then S := '0' + S;
 for i := 1 to Length(s) do
 H := H + ' ' + SubStr(S[i]);
 StringToBits := H;
 end;
 //-----------------------------------------------
 procedure MakeHex(S: string; key: Cardinal);
 var
 h: string;
 begin
 S := UpperCase(S);
 h := Format('%X', [GetDeviceCaps(Printer.Handle, Key)]);
 if Length(H) = 0 then Exit;
 if Length(H) = 1 then H := '0000' + H;
 if Length(H) = 2 then H := '000' + H;
 if Length(H) = 3 then H := '00' + H;
 if Length(H) = 4 then H := '0' + H;
 DevCtrl.Lines.Add();
 DevCtrl.Lines.Add(SEP);
 DevCtrl.Lines.Add();
 DevCtrl.Lines.Add(Format('%37S = Flags(%S) Key(%S)',
 [s, h, StringToBits(H)]
 ));
 // (( GetDeviceCaps(Printer.Handle,Key),
 end;
 //----------------------------------------------------
 procedure MakeFlag(S: string; key, subKey: Cardinal);
 var
 i: Cardinal;
 begin
 S := UpperCase(S);
 i := GetDeviceCaps(Printer.Handle, Key);
 if i and SubKey <> 0 then
 DevCtrl.Lines.Add(Format(' %34S = Flag(%4S) Key(%6D,%S)',
 [s, 'ON ', SubKey, StringToBits(Format('%x', [SubKey]))]))
 else
 DevCtrl.Lines.Add(Format(' %34S = Flag(%4S) Key(%6D,%S)',
 [s, 'OFF', SubKey, StringToBits(Format('%x', [SubKey]))]))
 end;
 //----------------------------------------------------
 function TechnoToStr(i: Integer): string;
 begin
 TechnoToStr := '#ERROR# is Unknwon';
 case i of
 DT_PLOTTER: TechnoToStr := 'Vector Plotter';
 DT_RASDISPLAY: TechnoToStr := 'Raster Display';
 DT_RASPRINTER: TechnoToStr := 'Raster Printer';
 DT_RASCAMERA: TechnoToStr := 'Raster Camera';
 DT_CHARSTREAM: TechnoToStr := 'Character Stream';
 DT_METAFILE: TechnoToStr := 'Metafile';
 DT_DISPFILE: TechnoToStr := 'Display file';
 end;
 end;
 //--Main Procedure
 //----------------------------------------------------------
begin
 DevCtrl.SetFocus;
 DevCtrl.Visible := False;
 if Printer.PrinterIndex < 0 then Exit;
 // Device Organisation
 try
 if not (GetMapMode(Printer.Handle) = MM_TEXT) then
 SetMapMode(Printer.Handle, MM_Text);
 DevCtrl.Clear;
 Sep := '______________________________________________________________________________________________';
 DevCtrl.Lines.Add(sep);
 DevCtrl.Lines.Add();
 DevCtrl.Lines.Add(' PRINTER : ' + Printer.Printers[Printer.PrinterIndex]);
 DevCtrl.Lines.Add(sep);
 DevCtrl.Lines.Add();
 DevCtrl.Lines.Add(sep);
 DevCtrl.Lines.Add();
 DevCtrl.Lines.Add(Format('%36S = %D', ['NUMBER Of COPIES', Printer.Copies]));
 if Printer.Orientation = poLandscape then
 DevCtrl.Lines.Add(Format('%36S = LANDSCAPE', ['ORIENTATION']));
 if Printer.Orientation = poPortrait then
 DevCtrl.Lines.Add(Format('%36S = PORTRAIT', ['ORIENTATION']));
 DevCtrl.Lines.Add(sep);
 DevCtrl.Lines.Add();
 MakeInt('DRIVERVERSION', DRIVERVERSION);
 DevCtrl.Lines.Add(Format(' %36S = %S', ['TECHNOLOGY',
 UpperCase(TechnoToStr(GetDeviceCaps(Printer.Handle, Technology)))]));
 DevCtrl.Lines.Add(sep);
 DevCtrl.Lines.Add();
 MakeInt('WIDTH [mm]', HORZSIZE);
 MakeInt('HEIGHT [mm]', VERTSIZE);
 MakeInt('WIDTH [pix]', HORZRES);
 MakeInt('HEIGHT [pix]', VERTRES);
 DevCtrl.Lines.Add(sep);
 DevCtrl.Lines.Add();
 MakeInt('Physical Width [pix]', PHYSICALWIDTH);
 MakeInt('Physical Height[pix]', PHYSICALHEIGHT);
 MakeInt('Physical Offset X [pix]', PHYSICALOFFSETX);
 MakeInt('Physical Offset Y [pix]', PHYSICALOFFSETY);
 MakeInt('SCALING FACTOR X', SCALINGFACTORX);
 MakeInt('SCALING FACTOR Y', SCALINGFACTORY);
 DevCtrl.Lines.Add(sep);
 DevCtrl.Lines.Add();
 MakeInt('horizontal [DPI]', LOGPIXELSX);
 MakeInt('vertial [DPI]', LOGPIXELSY);
 MakeInt('BITS PER PIXEL', BITSPIXEL);
 MakeInt('COLOR PLANES', PLANES);
 DevCtrl.Lines.Add(sep);
 DevCtrl.Lines.Add();
 MakeInt('NUMBER OF BRUSHES', NUMBRUSHES);
 MakeInt('NUMBER OF PENS', NUMPENS);
 MakeInt('NUMBER OF FONTS', NUMFONTS);
 MakeInt('NUMBER OF COLORS', NUMCOLORS);
 DevCtrl.Lines.Add(sep);
 DevCtrl.Lines.Add();
 MakeInt('ASPECT Ratio X [DPI]', ASPECTX);
 MakeInt('ASPECT Ratio Y [DPI]', ASPECTY);
 MakeInt('ASPECT Ratio XY [DPI]', ASPECTXY);
 DevCtrl.Lines.Add(sep);
 DevCtrl.Lines.Add();
 MakeInt('SIZE OF PALETTE', SIZEPALETTE);
 MakeInt('RESERVED TO SYSTEM PALETTE **', NUMRESERVED);
 MakeInt('ACTUAL RASTER RESOLUTION **', COLORRES);
 DevCtrl.Lines.Add();
 DevCtrl.Lines.Add(' **...only true if KEY RASTERCAPS(RC_PALETTE)= ON');
 MakeFlag('... KEY RASTERCAPS (RC_PALETTE)', RasterCaps, RC_PALETTE);
 DevCtrl.Lines.Add();
 MakeHex('Clipping Capablities ', ClipCaps);
 DevCtrl.Lines.Add(sep);
 DevCtrl.Lines.Add();
 MakeFlag('No Support ', ClipCaps, CP_NONE);
 MakeFlag('Support Rectangles', ClipCaps, CP_RECTANGLE);
 MakeFlag('Support PolyRegion 32 Bit', ClipCaps, CP_REGION);
 MakeHex('Raster Printing Flags ', RasterCaps);
 DevCtrl.Lines.Add(sep);
 DevCtrl.Lines.Add();
 MakeFlag('Support Bitmap Transfer', RasterCaps, RC_BITBLT);
 MakeFlag('Support Banding', RasterCaps, RC_BANDING);
 MakeFlag('Support Scaling', RasterCaps, RC_SCALING);
 MakeFlag('Support Bitmaps > 64 kByte', RasterCaps, RC_BITMAP64);
 MakeFlag('Support features of Win 2.0', RasterCaps, RC_GDI20_OUTPUT);
 MakeFlag('Support Set~/GetDIBITS()', RasterCaps, RC_DI_BITMAP);
 MakeFlag('Support Palette Devices', RasterCaps, RC_PALETTE);
 MakeFlag('Support SetDIBitsToDevice()', RasterCaps, RC_DIBTODEV);
 MakeFlag('Support Floodfill', RasterCaps, RC_FLOODFILL);
 MakeFlag('Support StretchBlt()', RasterCaps, RC_STRETCHBLT);
 MakeFlag('Support StretchBID()', RasterCaps, RC_STRETCHDIB);
 MakeFlag('Support DIBS', RasterCaps, RC_DEVBITS);
 MakeHex('Curve Printion Flages', CurveCaps);
 DevCtrl.Lines.Add(sep);
 DevCtrl.Lines.Add();
 MakeFlag('No Curve support', CurveCaps, CC_NONE);
 MakeFlag('Support Circles', CurveCaps, CC_Circles);
 MakeFlag('Support Pie', CurveCaps, CC_PIE);
 MakeFlag('Support Arces', CurveCaps, CC_CHORD);
 MakeFlag('Support Ellipses', CurveCaps, CC_ELLIPSEs);
 MakeFlag('Support WIDE FRAMES', CurveCaps, CC_WIDE);
 MakeFlag('Support STYLED FRAMES', CurveCaps, CC_STYLED);
 MakeFlag('Support WIDE&STYLED FRAMES', CurveCaps, CC_WIDESTYLED);
 MakeFlag('Support INTERIORS', CurveCaps, CC_INTERIORS);
 MakeFlag('Support ROUNDRECT', CurveCaps, CC_ROUNDRECT);
 MakeHex('Line & Polygon Printing Flags', LineCaps);
 DevCtrl.Lines.Add(sep);
 DevCtrl.Lines.Add();
 MakeFlag('No Line Support', LineCaps, LC_NONE);
 MakeFlag('Support Polylines', LineCaps, LC_PolyLine);
 MakeFlag('Support Marker', LineCaps, LC_Marker);
 MakeFlag('Support PolyMarker', LineCaps, LC_PolyMarker);
 MakeFlag('Support Wide Lines', LineCaps, LC_WIDE);
 MakeFlag('Support STYLED Lines', LineCaps, LC_STYLED);
 MakeFlag('Support WIDE&STYLED Lines', LineCaps, LC_WIDESTYLED);
 MakeFlag('Support Lines Interiors', LineCaps, LC_INTERIORS);
 MakeHex('Polygon (Areal) Printing Flags', POLYGONALCAPS);
 DevCtrl.Lines.Add(sep);
 DevCtrl.Lines.Add();
 MakeFlag('No Polygon Support', PolygonalCaps, PC_NONE);
 MakeFlag('Filling Alternate Polygons', PolygonalCaps, PC_POLYGON);
 MakeFlag('Drawing Rectangles', PolygonalCaps, PC_RECTANGLE);
 MakeFlag('Filling Winding Polygons', PolygonalCaps, PC_WINDPOLYGON);
 MakeFlag('Drawing Trapezoid (??Flag)', PolygonalCaps, PC_Trapezoid);
 MakeFlag('Drawing a ScanLine', PolygonalCaps, PC_SCANLINE);
 MakeFlag('Drawing Wide Border', PolygonalCaps, PC_WIDE);
 MakeFlag('Drawing Styled Border', PolygonalCaps, PC_STYLED);
 MakeFlag('Drawing WIDE&STYLED Border', PolygonalCaps, PC_WIDESTYLED);
 MakeFlag('Drawing Interiors', PolygonalCaps, PC_INTERIORS);
 MakeHex('Text Printing Flags', TEXTCAPS);
 DevCtrl.Lines.Add(sep);
 DevCtrl.Lines.Add();
 MakeFlag('Support Character Output Precision', TextCaps, TC_OP_CHARACTER);
 MakeFlag('Support Stroke Output Precision', TextCaps, TC_OP_STROKE);
 MakeFlag('Support Stroke Clip Precision', TextCaps, TC_CP_STROKE);
 MakeFlag('Support 90° Character Rotation', TextCaps, TC_CR_90);
 MakeFlag('Support any Character Rotaion', TextCaps, TC_CR_ANY);
 MakeFlag('Support Character Scaling in X&Y', TextCaps, TC_SF_X_YINDEP);
 MakeFlag('Support Character Scaling REAL', TextCaps, TC_SA_DOUBLE);
 MakeFlag('Support Character Scaling RATIONAL', TextCaps, TC_SA_INTEGER);
 MakeFlag('Support Character Scaling EXACT', TextCaps, TC_SA_CONTIN);
 MakeFlag('Support Character Weight REAL', TextCaps, TC_EA_DOUBLE);
 MakeFlag('Support Character Italic', TextCaps, TC_IA_ABLE);
 MakeFlag('Support Character Underline', TextCaps, TC_UA_ABLE);
 MakeFlag('Support Character Strikeout', TextCaps, TC_SO_ABLE);
 MakeFlag('Support Character as RASTER FONT', TextCaps, TC_RA_ABLE);
 MakeFlag('Support Character as VECTOR FONT', TextCaps, TC_VA_ABLE);
 MakeFlag('Reserved Flag ???', TextCaps, TC_Reserved);
 MakeFlag('DEVICE NOT USE a SCROLLBIT BLOCK ?', TextCaps, TC_SCROLLBLT);
 DevCtrl.Lines.Insert(0, '..THE RESULTS ARE:');
 except
 // MessageDlg('The Current Printer is not valid ! ',
 // mtError,[mbok],0);
 Printer.PrinterIndex := -1;
 DevCtrl.Lines.Add(' ! The Printer is not valid !');
 end;
 DevCtrl.Visible := True;
 DevCtrl.SetFocus;
end;
Source: Взято с сайта http://www.swissdelphicenter.ch/en/tipsindex.php
ID: 03214
Category:Принтер