Rev 694 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 692 | mauro | 1 | /* |
| 2 | * Project: S.Ha.R.K. |
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| 3 | * |
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| 4 | * Coordinators: |
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| 5 | * Giorgio Buttazzo <giorgio@sssup.it> |
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| 6 | * Paolo Gai <pj@gandalf.sssup.it> |
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| 7 | * |
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| 8 | * Authors : |
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| 9 | * Mauro Marinoni <mauro.marinoni@unipv.it> |
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| 10 | * (see the web pages for full authors list) |
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| 11 | * |
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| 12 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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| 13 | * |
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| 14 | * http://www.sssup.it |
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| 15 | * http://retis.sssup.it |
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| 16 | * http://shark.sssup.it |
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| 17 | */ |
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| 18 | |||
| 19 | /* |
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| 20 | * This program is free software; you can redistribute it and/or modify |
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| 21 | * it under the terms of the GNU General Public License as published by |
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| 22 | * the Free Software Foundation; either version 2 of the License, or |
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| 23 | * (at your option) any later version. |
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| 24 | * |
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| 25 | * This program is distributed in the hope that it will be useful, |
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| 26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 28 | * GNU General Public License for more details. |
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| 29 | * |
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| 30 | * You should have received a copy of the GNU General Public License |
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| 31 | * along with this program; if not, write to the Free Software |
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| 32 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 33 | */ |
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| 34 | |||
| 35 | #include "kernel/kern.h" |
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| 36 | #include "string.h" |
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| 37 | #include "drivers/shark_fb26.h" |
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| 38 | #include "snapshot.h" |
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| 39 | |||
| 40 | struct SNAP_SLOT{ |
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| 41 | char used; |
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| 693 | giacomo | 42 | int wx; |
| 43 | int wy; |
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| 44 | int bytesperpixel; |
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| 45 | void *buff; |
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| 46 | } sslot[16] = {{0, 0, 0, 0, NULL}, |
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| 47 | {0, 0, 0, 0, NULL}, |
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| 48 | {0, 0, 0, 0, NULL}, |
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| 49 | {0, 0, 0, 0, NULL}, |
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| 50 | {0, 0, 0, 0, NULL}, |
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| 51 | {0, 0, 0, 0, NULL}, |
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| 52 | {0, 0, 0, 0, NULL}, |
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| 53 | {0, 0, 0, 0, NULL}, |
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| 54 | {0, 0, 0, 0, NULL}, |
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| 55 | {0, 0, 0, 0, NULL}, |
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| 56 | {0, 0, 0, 0, NULL}, |
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| 57 | {0, 0, 0, 0, NULL}, |
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| 58 | {0, 0, 0, 0, NULL}, |
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| 59 | {0, 0, 0, 0, NULL}, |
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| 60 | {0, 0, 0, 0, NULL}, |
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| 61 | {0, 0, 0, 0, NULL}}; |
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| 692 | mauro | 62 | |
| 693 | giacomo | 63 | void *snapshot_getslot(int nbuff, int wx, int wy, int bytesperpixel) |
| 692 | mauro | 64 | { |
| 693 | giacomo | 65 | void* tmp; |
| 692 | mauro | 66 | |
| 694 | giacomo | 67 | if ((wx<=0) || (wy<=0) || (nbuff<0) || (nbuff>15)){ |
| 692 | mauro | 68 | return NULL; |
| 69 | } |
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| 70 | |||
| 693 | giacomo | 71 | if (sslot[nbuff].used) |
| 692 | mauro | 72 | return NULL; |
| 73 | |||
| 693 | giacomo | 74 | /* Allocate memory. */ |
| 75 | tmp = (void *)kern_alloc(wx * wy * bytesperpixel); |
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| 76 | if (!tmp) return NULL; |
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| 692 | mauro | 77 | |
| 78 | sslot[nbuff].used = 1; |
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| 693 | giacomo | 79 | sslot[nbuff].wx = wx; |
| 80 | sslot[nbuff].wy = wy; |
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| 81 | sslot[nbuff].bytesperpixel = bytesperpixel; |
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| 692 | mauro | 82 | sslot[nbuff].buff = tmp; |
| 83 | return tmp; |
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| 84 | } |
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| 85 | |||
| 86 | void snapshot_freeslot(int nbuff) |
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| 87 | { |
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| 693 | giacomo | 88 | if (sslot[nbuff].used == 0) return; |
| 89 | kern_free(sslot[nbuff].buff, sslot[nbuff].wx * sslot[nbuff].wy * sslot[nbuff].bytesperpixel); |
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| 90 | sslot[nbuff].used = 0; |
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| 692 | mauro | 91 | } |
| 92 | |||
| 93 | void snapshot_grab(int nbuff) |
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| 94 | { |
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| 694 | giacomo | 95 | extern void *video_memory; |
| 692 | mauro | 96 | |
| 694 | giacomo | 97 | memcpy(sslot[nbuff].buff,video_memory,sslot[nbuff].wx * sslot[nbuff].wy * sslot[nbuff].bytesperpixel); |
| 693 | giacomo | 98 | |
| 692 | mauro | 99 | } |
| 100 | |||
| 101 | int snapshot_save_pgm(int nbuff, char *fname) |
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| 102 | { |
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| 103 | char out_st[40]; |
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| 693 | giacomo | 104 | register int i; |
| 709 | giacomo | 105 | unsigned char tmp[3]; |
| 692 | mauro | 106 | DOS_FILE *outf; |
| 107 | |||
| 108 | if ((outf = DOS_fopen(fname, "w")) == NULL) { |
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| 109 | return -1; |
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| 110 | } else { |
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| 693 | giacomo | 111 | sprintf(out_st, "P5\n%d %d\n%d\n", sslot[nbuff].wx, sslot[nbuff].wy, 255); |
| 692 | mauro | 112 | DOS_fwrite(out_st, strlen(out_st), 1, outf); |
| 113 | cprintf(out_st); |
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| 114 | |||
| 693 | giacomo | 115 | for (i = 0; i < sslot[nbuff].wy * sslot[nbuff].wx; i++) { |
| 709 | giacomo | 116 | tmp[0] = *(unsigned char *)(sslot[nbuff].buff + i); |
| 117 | tmp[1] = ' '; |
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| 118 | tmp[2] = 0; |
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| 693 | giacomo | 119 | DOS_fwrite(&tmp, 1, 1, outf); |
| 692 | mauro | 120 | } |
| 121 | DOS_fclose(outf); |
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| 122 | } |
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| 123 | return 0; |
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| 124 | } |
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| 125 | |||
| 126 | int snapshot_save_ppm(int nbuff, char *fname) |
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| 127 | { |
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| 128 | char out_st[40]; |
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| 693 | giacomo | 129 | register int i; |
| 692 | mauro | 130 | int col_r, col_g, col_b; |
| 131 | DOS_FILE *outf; |
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| 132 | |||
| 133 | if ((outf = DOS_fopen(fname, "w")) == NULL) { |
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| 134 | return -1; |
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| 135 | } else { |
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| 693 | giacomo | 136 | sprintf(out_st, "P3\n%d %d\n%d\n", sslot[nbuff].wx, sslot[nbuff].wy, 255); |
| 692 | mauro | 137 | DOS_fwrite(out_st, strlen(out_st), 1, outf); |
| 138 | cprintf(out_st); |
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| 139 | |||
| 693 | giacomo | 140 | for (i = 0; i < sslot[nbuff].wx * sslot[nbuff].wy; i++) { |
| 694 | giacomo | 141 | col_r = ((*(int *)(sslot[nbuff].buff + i*2) & 0xF800) >> 11) << 3; |
| 142 | col_g = ((*(int *)(sslot[nbuff].buff + i*2) & 0x07E0) >> 5) << 2; |
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| 143 | col_b = (*(int *)(sslot[nbuff].buff + i*2) & 0x001F) << 3; |
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| 693 | giacomo | 144 | sprintf(out_st, "%d %d %d ", col_r, col_g, col_b); |
| 145 | DOS_fwrite(out_st, strlen(out_st), 1, outf); |
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| 692 | mauro | 146 | } |
| 147 | DOS_fclose(outf); |
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| 148 | } |
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| 149 | return 0; |
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| 150 | } |