+++ /dev/null
-/* Libart_LGPL - library of basic graphic primitives
- * Copyright (C) 1998 Raph Levien
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include "art_misc.h"
-#include "art_uta.h"
-#include "art_vpath.h"
-#include "art_uta_vpath.h"
-#include "art_rect.h"
-#include "art_rect_uta.h"
-#include "art_uta_rect.h"
-
-#define TEST_UTA
-#define noTEST_UTA_SPEED
-
-#define XOFF 50
-#define YOFF 700
-
-static void
-print_uta_ps (ArtUta *uta)
-{
- int x, y;
- int x0, y0, x1, y1;
- int width = uta->width;
- ArtUtaBbox ub;
-
- for (y = 0; y < uta->height; y++)
- for (x = 0; x < width; x++)
- {
- ub = uta->utiles[y * width + x];
- if (ub != 0)
- {
- x0 = (uta->x0 + x) * ART_UTILE_SIZE + ART_UTA_BBOX_X0(ub);
- x1 = (uta->x0 + x) * ART_UTILE_SIZE + ART_UTA_BBOX_X1(ub);
- y0 = (uta->y0 + y) * ART_UTILE_SIZE + ART_UTA_BBOX_Y0(ub);
- y1 = (uta->y0 + y) * ART_UTILE_SIZE + ART_UTA_BBOX_Y1(ub);
- printf ("%% tile %d, %d: %d %d %d %d\n",
- x, y,
- ART_UTA_BBOX_X0(ub),
- ART_UTA_BBOX_Y0(ub),
- ART_UTA_BBOX_X1(ub),
- ART_UTA_BBOX_Y1(ub));
- printf ("%d %d moveto %d %d lineto %d %d lineto %d %d lineto closepath fill\n",
- XOFF + x0, YOFF - y0, XOFF + x1, YOFF - y0,
- XOFF + x1, YOFF - y1, XOFF + x0, YOFF - y1);
- }
- }
-}
-
-static void
-print_rbuf_ps (int *rbuf, int width, int height)
-{
- int x, y;
-
- for (y = 0; y < height; y++)
- for (x = 0; x < width; x++)
- if (1 && rbuf[y * width + x] != 0)
- printf ("%d %d moveto (%d) show\n", x * ART_UTILE_SIZE, y * ART_UTILE_SIZE,
- rbuf[y * width + x]);
-}
-
-#if 0
-void
-randline (ArtUta *uta, int *rbuf, int rbuf_rowstride)
-{
- double x0, y0, x1, y1;
-
- x0 = rand () * (500.0 / RAND_MAX);
- y0 = rand () * (500.0 / RAND_MAX);
- x1 = rand () * (500.0 / RAND_MAX);
- y1 = rand () * (500.0 / RAND_MAX);
-
- printf ("%g %g moveto %g %g lineto stroke\n", x0, y0, x1, y1);
- art_uta_add_line (uta, x0, y0, x1, y1, rbuf, rbuf_rowstride);
-}
-#endif
-
-static void
-print_ps_vpath (ArtVpath *vpath)
-{
- int i;
-
- for (i = 0; vpath[i].code != ART_END; i++)
- {
- switch (vpath[i].code)
- {
- case ART_MOVETO:
- printf ("%g %g moveto\n", XOFF + vpath[i].x, YOFF - vpath[i].y);
- break;
- case ART_LINETO:
- printf ("%g %g lineto\n", XOFF + vpath[i].x, YOFF - vpath[i].y);
- break;
- default:
- break;
- }
- }
- printf ("stroke\n");
-}
-
-static ArtVpath *
-randstar (int n)
-{
- ArtVpath *vec;
- int i;
- double r, th;
-
- vec = art_new (ArtVpath, n + 2);
- for (i = 0; i < n; i++)
- {
- vec[i].code = i ? ART_LINETO : ART_MOVETO;
- r = rand () * (250.0 / RAND_MAX);
- th = i * 2 * M_PI / n;
- vec[i].x = 250 + r * cos (th);
- vec[i].y = 250 - r * sin (th);
- }
- vec[i].code = ART_LINETO;
- vec[i].x = vec[0].x;
- vec[i].y = vec[0].y;
- i++;
- vec[i].code = ART_END;
- vec[i].x = 0;
- vec[i].y = 0;
- return vec;
-}
-
-int
-main (int argc, char **argv)
-{
- ArtUta *uta;
- int i;
- int *rbuf;
- ArtVpath *vec;
- ArtIRect *rects;
- int n_rects;
-
- if (argc == 2)
- srand (atoi (argv[1]));
-
-#ifdef TEST_UTA
- printf ("%%!PS-Adobe\n");
- printf ("/Helvetica findfont 12 scalefont setfont\n");
- printf ("0.5 setlinewidth\n");
-
- printf ("0.5 setgray\n");
- for (i = 0; i < 500; i += ART_UTILE_SIZE)
- {
- printf ("%d %d moveto %d %d lineto stroke\n",
- XOFF, YOFF - i, XOFF + 500, YOFF - i);
- printf ("%d %d moveto %d %d lineto stroke\n",
- XOFF + i, YOFF, XOFF + i, YOFF - 500);
- }
-
- printf ("/a {\n");
-
-#if 1
- vec = randstar (50);
- print_ps_vpath (vec);
- uta = art_uta_from_vpath (vec);
-#ifdef TEST_UTA_RECT
- {
- ArtIRect bbox = {5, 5, 450, 450};
- uta = art_uta_from_irect (&bbox);
- }
-#endif
- rbuf = 0;
-#else
- uta = art_uta_new_coords (0, 0, 500, 500);
-
- rbuf = malloc (sizeof(int) * (500 >> ART_UTILE_SHIFT) * (500 >> ART_UTILE_SHIFT));
- for (i = 0; i < 10; i++)
- randline (uta, rbuf, 500 >> ART_UTILE_SHIFT);
-#endif
-
- printf ("} def 1 0.5 0.5 setrgbcolor\n");
-
- print_uta_ps (uta);
-
- printf ("0 0 0.5 setrgbcolor\n");
-
- if (rbuf)
- print_rbuf_ps (rbuf, 500 >> ART_UTILE_SHIFT, 500 >> ART_UTILE_SHIFT);
-
- printf ("0 setgray a\n");
-
- rects = art_rect_list_from_uta (uta, 256, 64, &n_rects);
-
- printf ("%% %d rectangles:\n0 0 1 setrgbcolor\n", n_rects);
-
- for (i = 0; i < n_rects; i++)
- printf ("%d %d moveto %d %d lineto %d %d lineto %d %d lineto closepath stroke\n",
- XOFF + rects[i].x0, YOFF - rects[i].y0,
- XOFF + rects[i].x1, YOFF - rects[i].y0,
- XOFF + rects[i].x1, YOFF - rects[i].y1,
- XOFF + rects[i].x0, YOFF - rects[i].y1);
-
- printf ("showpage\n");
-#endif
-
-#ifdef TEST_UTA_SPEED
- for (i = 0; i < 1000; i++)
- {
- vec = randstar (50);
- uta = art_uta_from_vpath (vec);
- art_free (vec);
- art_uta_free (uta);
- }
-#endif
-
- return 0;
-}
projects / rrdtool.git / blobdiff