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xwin.c

/*
 * @(#)xwin.c
 *
 * Copyright 2005  David A. Bagley, bagleyd@tux.org
 *
 * All rights reserved.
 *
 * Permission to use, copy, modify, and distribute this software and
 * its documentation for any purpose and without fee is hereby granted,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear in
 * supporting documentation, and that the name of the author not be
 * used in advertising or publicity pertaining to distribution of the
 * software without specific, written prior permission.
 *
 * 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.
 */

/* Methods file for xwin */

#include "xwin.h"

#ifdef WINVER
void
FILLPOLYGON(HDC hDC, HPEN *hPen, HPEN *hOldPen,
            HBRUSH *hBrush, HBRUSH *hOldBrush,
            GC color, GC lineColor, const POINT *poly, int n,
            Boolean origin)
{
      /* CoordModePrevious -> CoordModeOrigin */
      POINT *temp = NULL;
      int pt;

      if (!origin) {
            if (!(temp = (POINT *) malloc(sizeof (POINT) * n))) {
                  DISPLAY_ERROR("Not enough memory (POLYGON), exiting.");
            }
            temp[0] = poly[0];
            for (pt = 1; pt < n; pt++) {
                  temp[pt].x = temp[pt - 1].x + poly[pt].x,
                  temp[pt].y = temp[pt - 1].y + poly[pt].y;
            }
      }
      *hPen = CreatePen(PS_SOLID, 1, lineColor);
      *hOldPen = (HPEN) SelectObject(hDC, *hPen);
      *hBrush = CreateSolidBrush(color);
      *hOldBrush = (HBRUSH) SelectObject(hDC, *hBrush);
      (void) Polygon(hDC, (origin) ? poly : temp, n);
      (void) SelectObject(hDC, *hOldBrush);
      (void) DeleteObject(*hBrush);
      (void) SelectObject(hDC, *hOldPen);
      (void) DeleteObject(*hPen);
      if (!origin) {
            free(temp);
      }
}

void
DRAWPOLYLINE(HDC hDC, HPEN *hPen, HPEN *hOldPen,
            GC color, const POINT *poly, int n,
            Boolean origin)
{
      /* CoordModePrevious -> CoordModeOrigin */
      POINT *temp = NULL;
      int pt;

      if (!origin) {
            if (!(temp = (POINT *) malloc(sizeof (POINT) * n))) {
                  DISPLAY_ERROR("Not enough memory (POLYLINE), exiting.");
            }
            temp[0] = poly[0];
            for (pt = 1; pt < n; pt++) {
                  temp[pt].x = temp[pt - 1].x + poly[pt].x,
                  temp[pt].y = temp[pt - 1].y + poly[pt].y;
            }
      }
      *hPen = CreatePen(PS_SOLID, 1, color);
      *hOldPen = (HPEN) SelectObject(hDC, *hPen);
      (void) Polyline(hDC, (origin) ? poly : temp, n);
      (void) SelectObject(hDC, *hOldPen);
      (void) DeleteObject(*hPen);
      if (!origin) {
            free(temp);
      }
}
#endif

void
intCat(char **string, const char *var1, const int var2)
{
      if (!(*string = (char *) malloc(strlen(var1) + 21))) {
            DISPLAY_ERROR("Not enough memory (intCat), exiting.");
      }
      (void) sprintf(*string, "%s%d", var1, var2);
}

void
stringCat(char **string, const char *var1, const char *var2)
{
      if (!(*string = (char *) malloc(strlen(var1) + strlen(var2) + 1))) {
            DISPLAY_ERROR("Not enough memory (stringCat), exiting.");
      }
      (void) sprintf(*string, "%s%s", var1, var2);
}

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