source: libcaca/trunk/caca/driver_conio.c @ 824

Last change on this file since 824 was 819, checked in by Sam Hocevar, 15 years ago
  • More function mass-renaming: caca_attach -> caca_create_display, etc.
  • Property svn:keywords set to Id
File size: 3.8 KB
RevLine 
[35]1/*
[672]2 *  libcaca       Colour ASCII-Art library
[527]3 *  Copyright (c) 2002-2006 Sam Hocevar <sam@zoy.org>
[268]4 *                All Rights Reserved
[35]5 *
[769]6 *  $Id: driver_conio.c 819 2006-04-19 10:10:58Z sam $
7 *
[268]8 *  This library is free software; you can redistribute it and/or
[522]9 *  modify it under the terms of the Do What The Fuck You Want To
10 *  Public License, Version 2, as published by Sam Hocevar. See
11 *  http://sam.zoy.org/wtfpl/COPYING for more details.
[35]12 */
[17]13
[769]14/*
[540]15 *  This file contains the libcaca DOS/conio.h input and output driver
[205]16 */
17
[63]18#include "config.h"
19
[539]20#if defined(USE_CONIO)
21
22#include <dos.h>
23#include <conio.h>
24#if defined(SCREENUPDATE_IN_PC_H)
25#   include <pc.h>
26#endif
27
[550]28#include <stdlib.h>
29
[185]30#include "caca.h"
31#include "caca_internals.h"
[524]32#include "cucul.h"
33#include "cucul_internals.h"
[17]34
[550]35struct driver_private
36{
37    struct text_info ti;
38    char *screen;
39};
40
[811]41static int conio_init_graphics(caca_display_t *dp)
[227]42{
[811]43    dp->drv.p = malloc(sizeof(struct driver_private));
[550]44
[539]45    _wscroll = 0;
46    _setcursortype(_NOCURSOR);
47    clrscr();
[348]48
[811]49    gettextinfo(&dp->drv.p->ti);
50    dp->drv.p->screen = malloc(2 * dp->drv.p->ti.screenwidth
51                                 * dp->drv.p->ti.screenheight * sizeof(char));
52    if(dp->drv.p->screen == NULL)
[539]53        return -1;
[227]54#   if defined(SCREENUPDATE_IN_PC_H)
[811]55    ScreenRetrieve(dp->drv.p->screen);
[227]56#   else
[539]57    /* FIXME */
[227]58#   endif
[813]59    _cucul_set_canvas_size(dp->cv, dp->drv.p->ti.screenwidth,
60                                   dp->drv.p->ti.screenheight);
[227]61    return 0;
62}
63
[811]64static int conio_end_graphics(caca_display_t *dp)
[251]65{
[539]66    _wscroll = 1;
67    textcolor((enum COLORS)WHITE);
68    textbackground((enum COLORS)BLACK);
[811]69    gotoxy(dp->cv->width, dp->cv->height);
[539]70    cputs("\r\n");
71    _setcursortype(_NORMALCURSOR);
[300]72
[811]73    free(dp->drv.p->screen);
74    free(dp->drv.p);
[539]75
[251]76    return 0;
77}
78
[819]79static int conio_set_display_title(caca_display_t *dp, char const *title)
[343]80{
81    return 0;
82}
83
[819]84static unsigned int conio_get_display_width(caca_display_t *dp)
[352]85{
86    /* Fallback to a 6x10 font */
[811]87    return dp->cv->width * 6;
[352]88}
89
[819]90static unsigned int conio_get_display_height(caca_display_t *dp)
[352]91{
92    /* Fallback to a 6x10 font */
[811]93    return dp->cv->height * 10;
[352]94}
95
[811]96static void conio_display(caca_display_t *dp)
[227]97{
[811]98    char *screen = dp->drv.p->screen;
99    uint32_t *attr = dp->cv->attr;
100    uint32_t *chars = dp->cv->chars;
[567]101    int n;
102
[811]103    for(n = dp->cv->height * dp->cv->width; n--; )
[265]104    {
[643]105        *screen++ = _cucul_utf32_to_cp437(*chars++);
[728]106        *screen++ = _cucul_argb32_to_ansi8(*attr++);
[265]107    }
[227]108#   if defined(SCREENUPDATE_IN_PC_H)
[811]109    ScreenUpdate(dp->drv.p->screen);
[227]110#   else
[539]111    /* FIXME */
[227]112#   endif
[539]113}
[261]114
[811]115static void conio_handle_resize(caca_display_t *dp)
[539]116{
[553]117    /* We know nothing about our window */
[811]118    dp->resize.w = dp->cv->width;
119    dp->resize.h = dp->cv->height;
[227]120}
121
[811]122static int conio_get_event(caca_display_t *dp, caca_event_t *ev)
[548]123{
[681]124    unsigned char ch;
[777]125    caca_event_t release;
[548]126
127    if(!_conio_kbhit())
[681]128    {
129        ev->type = CACA_EVENT_NONE;
130        return 0;
131    }
[548]132
[681]133    ch = getch();
134
135    ev->type = CACA_EVENT_KEY_PRESS;
[810]136    ev->data.key.ch = ch;
[681]137    ev->data.key.ucs4 = (uint32_t)ch;
138    ev->data.key.utf8[0] = ch;
139    ev->data.key.utf8[1] = '\0';
140
141    release = *ev;
142    release.type = CACA_EVENT_KEY_RELEASE;
[811]143    _push_event(dp, &release);
[681]144
145    return 1;
[548]146}
147
[347]148/*
[539]149 * Driver initialisation
[347]150 */
[524]151
[811]152int conio_install(caca_display_t *dp)
[347]153{
[811]154    dp->drv.driver = CACA_DRIVER_CONIO;
[347]155
[811]156    dp->drv.init_graphics = conio_init_graphics;
157    dp->drv.end_graphics = conio_end_graphics;
[819]158    dp->drv.set_display_title = conio_set_display_title;
159    dp->drv.get_display_width = conio_get_display_width;
160    dp->drv.get_display_height = conio_get_display_height;
[811]161    dp->drv.display = conio_display;
162    dp->drv.handle_resize = conio_handle_resize;
163    dp->drv.get_event = conio_get_event;
164    dp->drv.set_mouse = NULL;
[684]165
166    return 0;
[347]167}
168
[539]169#endif /* USE_CONIO */
[281]170
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