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OS/2 Shareware BBS: 8 Other
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S12219.ZIP
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VF14.C
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C/C++ Source or Header
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1988-11-29
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2KB
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72 lines
/*--------------------------------------
VF14.C -- Clipped wavy spline curves
--------------------------------------*/
#define INCL_GPI
#include <os2.h>
#include <stdlib.h>
#include "vectfont.h"
VOID Display_Wavy (HPS hps, LONG cxClient, LONG cyClient)
{
static CHAR szText[] = "Hello!" ;
static LONG cbText = sizeof szText - 1 ;
static LONG lColors[] = { CLR_BLUE, CLR_GREEN, CLR_CYAN, CLR_RED,
CLR_PINK, CLR_YELLOW, CLR_WHITE } ;
INT i ;
POINTL ptl, aptl[8] ;
CreateVectorFont (hps, LCID_MYFONT, "Tms Rmn Italic") ;
GpiSetCharSet (hps, LCID_MYFONT) ;
ScaleFontToBox (hps, cbText, szText, cxClient, cyClient) ;
QueryStartPointInTextBox (hps, cbText, szText, &ptl) ;
ColorClient (hps, cxClient, cyClient, CLR_BLACK) ;
GpiBeginPath (hps, ID_PATH) ;
GpiCharStringAt (hps, &ptl, cbText, szText) ; // Text string
GpiEndPath (hps) ;
GpiSetClipPath (hps, ID_PATH, SCP_AND | SCP_ALTERNATE) ;
for (i = 0 ; i < 14 ; i++)
{
aptl[0].x = 0 ;
aptl[0].y = i * cyClient / 14 ;
aptl[1].x = cxClient / 3 ;
aptl[1].y = min (cyClient, 2 * i * cyClient / 14) ;
aptl[2].x = 2 * cxClient / 3 ;
aptl[2].y = max (0L, (2 * i - 14) * cyClient / 14) ;
aptl[3].x = cxClient ;
aptl[3].y = i * cyClient / 14 ;
aptl[4].x = cxClient ;
aptl[4].y = (i + 1) * cyClient / 14 ;
aptl[5].x = 2 * cxClient / 3 ;
aptl[5].y = max (0L, (2 * (i + 1) - 14) * cyClient / 14) ;
aptl[6].x = cxClient / 3 ;
aptl[6].y = min (cyClient, 2 * (i + 1) * cyClient / 14) ;
aptl[7].x = 0 ;
aptl[7].y = (i + 1) * cyClient / 14 ;
GpiSetColor (hps, lColors[i % 7]) ;
GpiBeginArea (hps, BA_BOUNDARY | BA_ALTERNATE) ;
GpiMove (hps, aptl) ; // Splines
GpiPolySpline (hps, 3L, aptl + 1) ;
GpiLine (hps, aptl + 4) ;
GpiPolySpline (hps, 3L, aptl + 5) ;
GpiLine (hps, aptl) ;
GpiEndArea (hps) ;
}
GpiSetCharSet (hps, LCID_DEFAULT) ; // Clean up
GpiDeleteSetId (hps, LCID_MYFONT) ;
}