unit1.cpp

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//---------------------------------------------------------------------------
#include <vcl.h>
#include <math.h>
#include <stdlib.h>
#include <printers.hpp>
#pragma hdrstop

#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button1Click(TObject *Sender)
{
  int offx,offy,dpix,dpiy;
  double left,top,right,bottom,aa;
  int xx1,xx2,yy1,yy2;
  dpix=GetDeviceCaps(Printer()->Handle,LOGPIXELSX);
  dpiy=GetDeviceCaps(Printer()->Handle,LOGPIXELSY);

  offx=GetDeviceCaps(Printer()->Handle,PHYSICALOFFSETX);
  offy=GetDeviceCaps(Printer()->Handle,PHYSICALOFFSETY);

  left=2.5;top=3.2;
  right=15;bottom=8.7;

  aa=left/2.54;
  aa=aa*dpix;
  xx1=floor(aa)-offx;

  aa=right/2.54;
  aa=aa*dpix;
  xx2=floor(aa)-offx;

  aa=top/2.54;
  aa=aa*dpiy;
  yy1=floor(aa)-offy;

  aa=bottom/2.54;
  aa=aa*dpiy;
  yy2=floor(aa)-offy;

  Printer()->BeginDoc();
  Printer()->Canvas->Rectangle(xx1,yy1,xx2,yy2);
  Printer()->EndDoc();
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button2Click(TObject *Sender)
{
  int nn;
  char dvc[255],drv[255],port[255];
  THandle h;
  TDeviceMode *DevMode;

  Printer()->GetPrinter(dvc,drv,port,h);
  if(h==0)return;
  DevMode=(TDeviceMode *)GlobalLock((void*)h);

  nn=atoi(Edit1->Text.c_str());
  if(nn>100)nn=100;
  if(nn<10)nn=10;
  DevMode->dmFields=DevMode->dmFields|DM_SCALE;
  DevMode->dmScale=(short)nn;
  GlobalUnlock((void*)h);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button3Click(TObject *Sender)
{
  char dvc[255],drv[255],port[255];
  THandle h;
  TDeviceMode *DevMode;

  Printer()->GetPrinter(dvc,drv,port,h);
  if(h==0)return;
  DevMode=(TDeviceMode *)GlobalLock((void*)h);

  DevMode->dmFields=DevMode->dmFields|DM_COLOR;
  DevMode->dmColor=DMCOLOR_MONOCHROME;
//  DevMode->dmColor=DMCOLOR_COLOR;
  GlobalUnlock((void*)h);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button4Click(TObject *Sender)
{
  char dvc[255],drv[255],port[255];
  THandle h;
  TDeviceMode *DevMode;

  Printer()->GetPrinter(dvc,drv,port,h);
  if(h==0)return;
  DevMode=(TDeviceMode *)GlobalLock((void*)h);

  DevMode->dmFields=DevMode->dmFields|DM_PRINTQUALITY;
  DevMode->dmPrintQuality=DMRES_HIGH;
//DMRES_HIGH
//DMRES_MEDIUM
//DMRES_LOW
//DMRES_DRAFT
  GlobalUnlock((void*)h);
}
//---------------------------------------------------------------------------