| 0,0 → 1,147 |
|---|
| /* |
| * Project: S.Ha.R.K. |
| * |
| * Coordinators: |
| * Giorgio Buttazzo <giorgio@sssup.it> |
| * Paolo Gai <pj@gandalf.sssup.it> |
| * |
| * Authors : |
| * Mauro Marinoni <mauro.marinoni@unipv.it> |
| * (see the web pages for full authors list) |
| * |
| * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
| * |
| * http://www.sssup.it |
| * http://retis.sssup.it |
| * http://shark.sssup.it |
| */ |
| |
| /* |
| * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include "kernel/kern.h" |
| #include "string.h" |
| #include "drivers/shark_fb26.h" |
| #include "snapshot.h" |
| |
| struct SNAP_SLOT{ |
| char used; |
| int x; |
| int y; |
| int** buff; |
| } sslot[16]; |
| |
| int** snapshot_getslot(int nbuff, int sx, int sy) |
| { |
| int i; |
| int** tmp; |
| |
| if ((sx<=0) || (sy<=0) || (nbuff<=0) || (nbuff>15)){ |
| return NULL; |
| } |
| if (sslot[nbuff].used) |
| return NULL; |
| |
| /* Allocate pointers to rows. */ |
| tmp = (int **) kern_alloc((unsigned) (sy)*sizeof(int*)); |
| if (!tmp) |
| return NULL; |
| |
| /* Allocate rows and set pointers to them. */ |
| for (i = 0; i < sy; i++){ |
| tmp[i] = (int *) kern_alloc((unsigned) (sx)*sizeof(int)); |
| if (!tmp[i]) |
| return NULL; |
| } |
| |
| sslot[nbuff].used = 1; |
| sslot[nbuff].x = sx; |
| sslot[nbuff].y = sy; |
| sslot[nbuff].buff = tmp; |
| return tmp; |
| } |
| |
| void snapshot_freeslot(int nbuff) |
| { |
| int i; |
| |
| if (sslot[nbuff].used){ |
| for (i = 0; i < sslot[nbuff].y; i++) |
| kern_free(sslot[nbuff].buff[i], (unsigned) (sslot[nbuff].x)*sizeof(int)); |
| kern_free(sslot[nbuff].buff, (unsigned) (sslot[nbuff].y)*sizeof(int*)); |
| sslot[nbuff].used = 0; |
| } |
| } |
| |
| void snapshot_grab(int nbuff) |
| { |
| int i, j; |
| |
| for (i = 0; i < sslot[nbuff].x; i++) |
| for (j = 0; j < sslot[nbuff].x; j++) |
| sslot[nbuff].buff[i][j] = grx_getpixel(i,j); |
| } |
| |
| int snapshot_save_pgm(int nbuff, char *fname) |
| { |
| char out_st[40]; |
| register int i, j; |
| DOS_FILE *outf; |
| |
| if ((outf = DOS_fopen(fname, "w")) == NULL) { |
| return -1; |
| } else { |
| sprintf(out_st, "P5\n%d %d\n%d\n", sslot[nbuff].x, sslot[nbuff].y, 255); |
| DOS_fwrite(out_st, strlen(out_st), 1, outf); |
| cprintf(out_st); |
| |
| for (j = 0; j < sslot[nbuff].y; j++) { |
| for (i = 0; i < sslot[nbuff].x; i++) { |
| DOS_fwrite(&(sslot[nbuff].buff[i][j]), 1, 1, outf); |
| } |
| } |
| DOS_fclose(outf); |
| } |
| return 0; |
| } |
| |
| int snapshot_save_ppm(int nbuff, char *fname) |
| { |
| char out_st[40]; |
| register int i, j; |
| int col_r, col_g, col_b; |
| DOS_FILE *outf; |
| |
| if ((outf = DOS_fopen(fname, "w")) == NULL) { |
| return -1; |
| } else { |
| sprintf(out_st, "P3\n%d %d\n%d\n", sslot[nbuff].x, sslot[nbuff].y, 255); |
| DOS_fwrite(out_st, strlen(out_st), 1, outf); |
| cprintf(out_st); |
| |
| for (j = 0; j < sslot[nbuff].y; j++) { |
| for (i = 0; i < sslot[nbuff].x; i++) { |
| col_r = ((sslot[nbuff].buff[i][j] & 0xF800) >> 11) * 4; |
| col_g = ((sslot[nbuff].buff[i][j] & 0x07E0) >> 5) * 2; |
| col_b = (sslot[nbuff].buff[i][j] & 0x001F) * 4; |
| sprintf(out_st, "%d %d %d ", col_r, col_g, col_b); |
| DOS_fwrite(out_st, strlen(out_st), 1, outf); |
| } |
| } |
| DOS_fclose(outf); |
| } |
| return 0; |
| } |