* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#define WIDTH 800
-#define HEIGHT 600
-#define FPS (25)
-#define FRAME_INTERVAL (1000/FPS)
-
#include <glib.h>
#include <stdio.h>
#include <stdlib.h>
-#include <SDL.h>
-#include <SDL_image.h>
+
+#include "point.h"
#define SWAP(x, y) do { \
x ^= y; y ^= x; x ^= y; \
} while (0)
-#define IS_CENTER(cx, cy, x, y) \
- ((x + WIDTH/2 == cx) && (y + HEIGHT/2 == cy))
-
-GArray *points;
-GPtrArray *names;
-
void
-InsertLine (GArray *points, SDL_Rect *src, SDL_Rect *dst)
+InsertLine (GArray *points, Point *src, Point *dst)
{
- SDL_Rect rect;
+ Point rect;
int inc, err, thre, swap;
int x1, y1, x2, y2;
int x, y;
- rect.w = WIDTH;
- rect.h = HEIGHT;
+ rect.name = src->name;
err = 0;
swap = 0;
x1 = src->x;
}
}
-void
+GArray *
ReadPoints (char *filename)
{
+ GArray *points;
FILE *file;
char *buffer;
char *next;
size_t len;
ssize_t r;
int i = 0;
- SDL_Rect last;
- SDL_Rect rect;
+ Point last;
+ Point rect;
file = fopen (filename, "r");
points = g_array_new (FALSE, TRUE, sizeof (SDL_Rect));
names = g_ptr_array_new ();
buffer = NULL;
len = 0;
- rect.x = rect.y = rect.w = rect.h = 0;
+ rect.x = rect.y = 0;
+ rect.name = NULL;
last = rect;
while (!feof (file))
{
if (i > 0)
InsertLine (points, &last, &rect);
while (isspace (*next)) next++;
- g_ptr_array_add (names, strdup (next));
+ rect.name = g_strdup (next);
last = rect;
i++;
}
fclose (file);
-}
-
-void
-ShowPoint (SDL_Surface *screen, SDL_Surface *image, SDL_Rect center, double scale)
-{
- center.x = (center.x * scale) - WIDTH/2;
- center.y = (center.y * scale) - HEIGHT/2;
- center.w = WIDTH;
- center.h = HEIGHT;
- SDL_BlitSurface (image, ¢er, screen, NULL);
- SDL_UpdateRect (screen, 0, 0, 0, 0);
-}
-
-#define SCALE 2.0
-
-int
-main (int argc, char **argv)
-{
- SDL_Surface *screen;
- SDL_Surface *image;
- SDL_Surface *scaled_image;
- SDL_Rect rect;
- SDL_Event event;
- Uint32 last, now, deslast, start;
- int i, des, desl;
- ReadPoints ("pro-gnu");
- SDL_Init (SDL_INIT_VIDEO | SDL_INIT_TIMER);
- screen = SDL_SetVideoMode (800, 600, 32, SDL_HWSURFACE | SDL_DOUBLEBUF);
- image = IMG_Load ("/home/cascardo/fotos/debconf.jpg");
- scaled_image = CairoScale (image, SCALE);
- start = deslast = last = SDL_GetTicks ();
- desl = des = i = 0;
- while (1)
- {
- if (SDL_PollEvent (&event))
- {
- if (event.type == SDL_KEYDOWN)
- break;
- }
- now = SDL_GetTicks ();
- /* skip */
- while (now > last + FRAME_INTERVAL)
- {
- last += FRAME_INTERVAL;
- i++;
- }
- last = now;
- if (now > deslast + 1000)
- {
- printf ("%f %f %d\n", (double) des / (double) (now - start) * 1000, (double) (des - desl) / (double) (now - deslast) * 1000, i - des);
- desl = des;
- deslast = now;
- }
- if (i > points->len)
- {
- des -= i;
- i = 0;
- }
- rect = g_array_index (points, SDL_Rect, i);
- ShowPoint (screen, scaled_image, rect, SCALE);
- SDL_Delay (FRAME_INTERVAL - (now - last));
- i++;
- des++;
- }
- SDL_FreeSurface (image);
- SDL_Quit ();
- g_array_free (points, TRUE);
- for (i = 0; i < names->len; i++)
- free (g_ptr_array_index (names, i));
- g_ptr_array_free (names, TRUE);
- return 0;
+ return points;
}
--- /dev/null
+/*
+ * Copyright (C) 2008 Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+
+#ifndef POINTS_H
+#define POINTS_H
+
+typedef struct
+{
+ int x, y;
+ char *name;
+} Point;
+
+#endif