Exemplo n.º 1
0
int main(int argc, char *argv[])
{
    caca_canvas_t *cv, *pig;
    void *buffer;
    size_t len;
    int i, j;

    pig = caca_create_canvas(0, 0);
    caca_import_canvas_from_memory(pig, STRING, strlen(STRING), "text");

    cv = caca_create_canvas(caca_get_canvas_width(pig) * 2,
                             caca_get_canvas_height(pig) * 2);

    if(cv == NULL || pig == NULL)
    {
        printf("Can't created canvas\n");
        return -1;
    }

    caca_blit(cv, 0, 0, pig, NULL);
    caca_flip(pig);
    caca_blit(cv, caca_get_canvas_width(pig), 0, pig, NULL);
    caca_flip(pig);
    caca_flop(pig);
    caca_blit(cv, 0, caca_get_canvas_height(pig), pig, NULL);
    caca_flop(pig);
    caca_rotate_180(pig);
    caca_blit(cv, caca_get_canvas_width(pig),
                   caca_get_canvas_height(pig), pig, NULL);

    for(j = 0; j < caca_get_canvas_height(cv); j++)
    {
        for(i = 0; i < caca_get_canvas_width(cv); i += 2)
        {
            unsigned long int a;
            caca_set_color_ansi(cv, CACA_LIGHTBLUE + (i + j) % 6,
                                 CACA_DEFAULT);
            a = caca_get_attr(cv, -1, -1);
            caca_put_attr(cv, i, j, a);
            caca_put_attr(cv, i + 1, j, a);
        }
    }

    buffer = caca_export_canvas_to_memory(cv, "utf8", &len);
    fwrite(buffer, len, 1, stdout);
    free(buffer);

    caca_rotate_left(cv);
    buffer = caca_export_canvas_to_memory(cv, "utf8", &len);
    fwrite(buffer, len, 1, stdout);
    free(buffer);

    caca_free_canvas(pig);
    caca_free_canvas(cv);

    return 0;
}
Exemplo n.º 2
0
int init() {
    initMillis () ;
    initKeyboard();

    pthread_t k_t;
    pthread_create(&k_t, NULL, &keyboard_thread, NULL);

    printf("init ");
    sprintf(pt.density, " .',-+:;=o&%%/$*W@#");

    pt.C_stroke_r = 255;
    pt.C_stroke_g = 255;
    pt.C_stroke_b = 255;

    pt.C_color = 0;
    pt.C_pixel = '.';
    pt.running = 1;
    pt.PT_paused = 0;
    pt.PT_keyblocked = 0;

 

    pt.PT_bitmap_width  = 120;
    pt.PT_bitmap_height = 80;

    ellipseMode(CENTER);
    pt.cv = caca_create_canvas(0, 0);
    if (!pt.cv) {
        fprintf(stderr, "unable to initialise libcaca\n");
        return 1;
    }

    pt.dp = caca_create_display_with_driver(pt.cv, "ncurses"); // x11, raw..
    if (pt.dp == NULL ) {
        printf("Failed to create display\n");
        return 1;
    }
    if (!pt.PT_USE_DITHERING) {
        width = caca_get_canvas_width(pt.cv) / X_SCALE;
        height = caca_get_canvas_height(pt.cv);
    } else {
        width = pt.PT_bitmap_width;
        height = pt.PT_bitmap_height;

    }
   // caca_set_display_time(pt.dp,40000);
    useDithering();
    stroke(255);
    setDitherResolution(caca_get_canvas_width(pt.cv), caca_get_canvas_height(pt.cv));
    background(0);
    printf("done ");

    return 0;
}
Exemplo n.º 3
0
static void filter_metal(context_t *cx)
{
    static unsigned char const palette[] =
    {
        CACA_LIGHTBLUE, CACA_BLUE, CACA_LIGHTGRAY, CACA_DARKGRAY,
    };

    unsigned int x, y, w, h;

    w = caca_get_canvas_width(cx->torender);
    h = caca_get_canvas_height(cx->torender);

    for(y = 0; y < h; y++)
        for(x = 0; x < w; x++)
    {
        unsigned long int ch = caca_get_char(cx->torender, x, y);
        int i;

        if(ch == (unsigned char)' ')
            continue;

        i = ((cx->lines + y + x / 8) / 2) % 4;
        caca_set_color_ansi(cx->torender, palette[i], CACA_TRANSPARENT);
        caca_put_char(cx->torender, x, y, ch);
    }
}
Exemplo n.º 4
0
static void filter_america(context_t *cx)
{
    unsigned int x, y, w, h, flag_w, flag_h;
    unsigned char color;

    w = caca_get_canvas_width(cx->torender);
    h = caca_get_canvas_height(cx->torender);
    flag_w = w * 3 / 7;
    flag_h = h * 1 / 3;
    /* flag_w = w; flag_h = h; */

    for(y = 0; y < h; y++)
        for(x = 0; x < w; x++)
    {
        unsigned long int ch = caca_get_char(cx->torender, x, y);

        if(ch == (unsigned char)' ')
            continue;

        if((x < flag_w) && (y < flag_h))
            // @todo this really needs to be better.
            color = ((x + y) % 2 && y % 2) ? CACA_WHITE : CACA_BLUE;
        else
            color = (y % 2) ? CACA_WHITE : CACA_RED;

        caca_set_color_ansi(cx->torender, color, CACA_TRANSPARENT);
        caca_put_char(cx->torender, x, y, ch);
    }
}
Exemplo n.º 5
0
static void filter_rainbow(context_t *cx)
{
    static unsigned char const rainbow[] =
    {
        CACA_LIGHTMAGENTA, CACA_LIGHTRED, CACA_YELLOW,
        CACA_LIGHTGREEN, CACA_LIGHTCYAN, CACA_LIGHTBLUE,
    };
    unsigned int x, y, w, h;

    w = caca_get_canvas_width(cx->torender);
    h = caca_get_canvas_height(cx->torender);

    for(y = 0; y < h; y++)
        for(x = 0; x < w; x++)
    {
        unsigned long int ch = caca_get_char(cx->torender, x, y);
        if(ch != (unsigned char)' ')
        {
            caca_set_color_ansi(cx->torender,
                                 rainbow[(x / 2 + y + cx->lines) % 6],
                                 CACA_TRANSPARENT);
            caca_put_char(cx->torender, x, y, ch);
        }
    }
}
Exemplo n.º 6
0
static void filter_crop(context_t *cx)
{
    unsigned int x, y, w, h;
    unsigned int xmin, xmax, ymin, ymax;

    xmin = w = caca_get_canvas_width(cx->torender);
    xmax = 0;
    ymin = h = caca_get_canvas_height(cx->torender);
    ymax = 0;

    for(y = 0; y < h; y++)
        for(x = 0; x < w; x++)
    {
        unsigned long int ch = caca_get_char(cx->torender, x, y);
        if(ch != (unsigned char)' ')
        {
            if(x < xmin)
                xmin = x;
            if(x > xmax)
                xmax = x;
            if(y < ymin)
                ymin = y;
            if(y > ymax)
                ymax = y;
        }
    }

    if(xmax < xmin || ymax < ymin)
        return;

    caca_set_canvas_boundaries(cx->torender, xmin, ymin,
                                xmax - xmin + 1, ymax - ymin + 1);
}
Exemplo n.º 7
0
static int win32_get_display_height(caca_display_t const *dp)
{
    /* FIXME */

    /* Fallback to a 6x10 font */
    return caca_get_canvas_height(dp->cv) * 10;
}
Exemplo n.º 8
0
static void conio_display(caca_display_t *dp)
{
    char *screen = dp->drv.p->screen;
    uint32_t const *chars = caca_get_canvas_chars(dp->cv);
    uint32_t const *attrs = caca_get_canvas_attrs(dp->cv);
    int width = caca_get_canvas_width(dp->cv);
    int height = caca_get_canvas_height(dp->cv);
    int n;

    for(n = height * width; n--; )
    {
        char ch = caca_utf32_to_cp437(*chars++);
        if(n && *chars == CACA_MAGIC_FULLWIDTH)
        {
            *screen++ = '[';
            *screen++ = caca_attr_to_ansi(*attrs++);
            ch = ']';
            chars++;
            n--;
        }
        *screen++ = ch;
        *screen++ = caca_attr_to_ansi(*attrs++);
    }
#   if defined(SCREENUPDATE_IN_PC_H)
    ScreenUpdate(dp->drv.p->screen);
#   else
    /* FIXME */
#   endif
}
Exemplo n.º 9
0
/** \brief flush the figlet context */
int caca_flush_figlet(caca_canvas_t *cv)
{
    caca_charfont_t *ff = cv->ff;
    int x, y;

    if (!ff)
        return -1;

    //ff->torender = cv;
    //caca_set_canvas_size(ff->torender, ff->w, ff->h);
    caca_set_canvas_size(cv, ff->w, ff->h);

    /* FIXME: do this somewhere else, or record hardblank positions */
    for(y = 0; y < ff->h; y++)
        for(x = 0; x < ff->w; x++)
            if(caca_get_char(cv, x, y) == 0xa0)
            {
                uint32_t attr = caca_get_attr(cv, x, y);
                caca_put_char(cv, x, y, ' ');
                caca_put_attr(cv, x, y, attr);
            }

    ff->x = ff->y = 0;
    ff->w = ff->h = 0;

    //cv = caca_create_canvas(1, 1); /* XXX */

    /* from render.c */
    ff->lines += caca_get_canvas_height(cv);

    return 0;
}
Exemplo n.º 10
0
static void
_increment_frame (lw6sys_context_t * sys_context, _mod_caca_context_t * caca_context, caca_font_t * fo, caca_dither_t * di, uint8_t * buff)
{
  int wc, hc;
  static caca_font_t *f = NULL;
  static caca_dither_t *d = NULL;
  static uint8_t *buf = NULL;

  if (fo != NULL)
    f = fo;
  if (di != NULL)
    d = di;
  if (buff != NULL)
    buf = buff;
  hc = caca_get_canvas_height (caca_context->canvas);
  wc = caca_get_canvas_width (caca_context->canvas);
  _plasma (sys_context, UPDATE, caca_context->canvas);
  _plasma (sys_context, RENDER, caca_context->canvas);

  caca_set_color_ansi (caca_context->canvas, CACA_WHITE, CACA_BLACK);
  caca_dither_bitmap (caca_context->canvas, (wc - (10 * caca_get_font_width (f))) / 2, (hc - caca_get_font_height (f)) / 2, wc, hc, d, buf);
  caca_put_str (caca_context->canvas, wc - 8, 0, "mod-caca");
  caca_put_str (caca_context->canvas, 0, 0, "PFA Epitech 2012-2013");
  caca_put_str (caca_context->canvas, (wc - 41) / 2, hc - 1, "by france_a, clavel_r, lemonn_k, vougie_c");
  caca_refresh_display (caca_context->display);
  frame++;
}
Exemplo n.º 11
0
static int resize(void)
{
    screen_w = caca_get_canvas_width(canvas);
    screen_h = caca_get_canvas_height(canvas);

    caca_free_dither(dither);
    talloc_free(dither_buffer);

    dither = caca_create_dither(bpp, image_width, image_height,
                                depth * image_width,
                                rmask, gmask, bmask, amask);
    if (dither == NULL) {
        mp_msg(MSGT_VO, MSGL_FATAL, "vo_caca: caca_create_dither failed!\n");
        return ENOSYS;
    }
    dither_buffer =
        talloc_array(NULL, uint8_t, depth * image_width * image_height);

    /* Default libcaca features */
    caca_set_dither_antialias(dither, dither_antialias);
    caca_set_dither_charset(dither, dither_charset);
    caca_set_dither_color(dither, dither_color);
    caca_set_dither_algorithm(dither, dither_algo);

    return 0;
}
Exemplo n.º 12
0
static int caca_install_driver(caca_display_t *dp, char const *driver)
{
#if defined(USE_PLUGINS)
    dp->plugin = NULL;
#endif

    if(caca_select_driver(dp, driver))
    {
#if defined(USE_PLUGINS)
        if(dp->plugin)
            dlclose(dp->plugin);
#endif
        return -1;
    }

    if(dp->drv.init_graphics(dp))
    {
#if defined(USE_PLUGINS)
        if(dp->plugin)
            dlclose(dp->plugin);
#endif
        return -1;
    }

    /* Graphics stuff */
    dp->delay = 0;
    dp->rendertime = 0;

    /* Events stuff */
#if defined(USE_SLANG) || defined(USE_NCURSES)
    dp->events.key_timer.last_sec = 0;
    dp->events.key_timer.last_usec = 0;
    dp->events.last_key_ticks = 0;
    dp->events.autorepeat_ticks = 0;
    dp->events.last_key_event.type = CACA_EVENT_NONE;
#endif
#if defined(USE_SLANG) || defined(USE_NCURSES) || defined(USE_CONIO) || defined(USE_GL)
    dp->events.queue = 0;
#endif

    dp->timer.last_sec = 0;
    dp->timer.last_usec = 0;
#if defined PROF
    _caca_init_stat(&dp->display_stat, "dp[%p] disp_sys time", dp);
    _caca_init_stat(&dp->wait_stat, "dp[%p] disp_wait time", dp);
    _caca_init_stat(&dp->ev_sys_stat, "dp[%p] ev_sys time", dp);
    _caca_init_stat(&dp->ev_wait_stat, "dp[%p] ev_wait time", dp);
#endif
    dp->lastticks = 0;

    /* Mouse position */
    dp->mouse.x = caca_get_canvas_width(dp->cv) / 2;
    dp->mouse.y = caca_get_canvas_height(dp->cv) / 2;

    /* Resize events */
    dp->resize.resized = 0;
    dp->resize.allow = 0;

    return 0;
}
Exemplo n.º 13
0
static void caca_render_msg(video_frame_info_t *video_info,
      void *data, const char *msg,
      const void *userdata)
{
   float x, y, scale;
   unsigned width, height;
   unsigned newX, newY;
   unsigned align;
   caca_raster_t              *font = (caca_raster_t*)data;
   const struct font_params *params = (const struct font_params*)userdata;

   if (!font || string_is_empty(msg))
      return;

   if (params)
   {
      x = params->x;
      y = params->y;
      scale = params->scale;
      align = params->text_align;
   }
   else
   {
      x = video_info->font_msg_pos_x;
      y = video_info->font_msg_pos_y;
      scale = 1.0f;
      align = TEXT_ALIGN_LEFT;
   }

   if (!font->caca || !font->caca->caca_cv || !font->caca->caca_display ||
       !*font->caca->caca_cv || !*font->caca->caca_display)
      return;

   width    = caca_get_canvas_width(*font->caca->caca_cv);
   height   = caca_get_canvas_height(*font->caca->caca_cv);
   newY     = height - (y * height * scale);

   switch (align)
   {
      case TEXT_ALIGN_RIGHT:
         newX = (x * width * scale) - strlen(msg);
         break;
      case TEXT_ALIGN_CENTER:
         newX = (x * width * scale) - (strlen(msg) / 2);
         break;
      case TEXT_ALIGN_LEFT:
      default:
         newX = x * width * scale;
         break;
   }

   caca_put_str(*font->caca->caca_cv, newX, newY, msg);

   caca_refresh_display(*font->caca->caca_display);
}
Exemplo n.º 14
0
static void filter_border(context_t *cx)
{
    int w, h;

    w = caca_get_canvas_width(cx->torender);
    h = caca_get_canvas_height(cx->torender);

    caca_set_canvas_boundaries(cx->torender, -1, -1, w + 2, h + 2);

    caca_draw_cp437_box(cx->torender, 0, 0, w + 2, h + 2);
}
Exemplo n.º 15
0
int main(int argc, char *argv[])
{
    caca_canvas_t *cv, *sprite;
    caca_display_t *dp;

    cv = caca_create_canvas(80, 24);
    if(cv == NULL)
    {
        printf("Failed to create canvas\n");
        return 1;
    }

    dp = caca_create_display(cv);
    if(dp == NULL)
    {
        printf("Failed to create display\n");
        return 1;
    }

    sprite = caca_create_canvas(0, 0);
    caca_set_color_ansi(sprite, CACA_LIGHTRED, CACA_BLACK);
    caca_import_canvas_from_memory(sprite, pig, strlen(pig), "text");
    caca_set_canvas_handle(sprite, caca_get_canvas_width(sprite) / 2,
                           caca_get_canvas_height(sprite) / 2);

    caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
    caca_put_str(cv, 0, 0, "Centered sprite");

    caca_blit(cv, caca_get_canvas_width(cv) / 2,
              caca_get_canvas_height(cv) / 2, sprite, NULL);

    caca_refresh_display(dp);

    caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);

    caca_free_display(dp);
    caca_free_canvas(sprite);
    caca_free_canvas(cv);

    return 0;
}
Exemplo n.º 16
0
void processing_terminal() {

    setup();
    while (pt.running) {

        //width = caca_get_canvas_width(pt.cv);
        // height = caca_get_canvas_height(pt.cv);

        if (!pt.PT_USE_DITHERING) {
            width = caca_get_canvas_width(pt.cv) / X_SCALE;
            height = caca_get_canvas_height(pt.cv);
        } else {
            width = pt.PT_bitmap_width;
            height = pt.PT_bitmap_height;

        }
        pt.DITHERED_DRAW = 0;
        pt.textrenderjoblist_items = 0;
        if (!pt.PT_paused) {
            draw();
        }

        if (pt.PT_USE_DITHERING &&  pt.DITHERED_DRAW) {
            caca_dither_bitmap(caca_get_canvas(pt.dp), 0, 0, caca_get_canvas_width(pt.cv),
                               caca_get_canvas_height(pt.cv), pt.PT_dither, pt.PT_buffer);
        }
        render_text_items();

        int duration = caca_get_display_time(pt.dp);
        if (duration > 0) {
            frameRate = (frameRate * 0.9) + ((1000000 / duration) * 0.1); //(1000 / duration);
        }
        caca_printf(pt.cv, 0, caca_get_canvas_height(pt.cv) - 1, "%d/%d  key=%c (%d) fps=%f (%d)", width, height, key, key, frameRate,duration);
        caca_refresh_display(pt.dp);

    }
    if (pt.PT_USE_DITHERING)  caca_free_dither(pt.PT_dither);
    caca_free_display(pt.dp);
    caca_free_canvas(pt.cv);
    closeKeyboard();
}
Exemplo n.º 17
0
static void win32_display(caca_display_t *dp)
{
    COORD size, pos;
    SMALL_RECT rect;
    CHAR_INFO *buffer = dp->drv.p->buffer;
    uint32_t const *cvchars = caca_get_canvas_chars(dp->cv);
    uint32_t const *cvattrs = caca_get_canvas_attrs(dp->cv);
    int width = caca_get_canvas_width(dp->cv);
    int height = caca_get_canvas_height(dp->cv);
    int n;

    /* Render everything to our screen buffer */
    for(n = height * width; n--; )
    {
        uint32_t ch = *cvchars++;
        uint16_t bgfg = caca_attr_to_ansi(*cvattrs);
        uint8_t fg = bgfg & 0xf;
        uint8_t bg = bgfg >> 4;

#if 0
        if(ch > 0x00000020 && ch < 0x00000080)
            dp->drv.p->buffer[i].Char.AsciiChar = (uint8_t)ch;
        else
            dp->drv.p->buffer[i].Char.AsciiChar = ' ';
#else
        if(n && *cvchars == CACA_MAGIC_FULLWIDTH)
            ;
        else if(ch > 0x00000020 && ch < 0x00010000)
            buffer->Char.UnicodeChar = (uint16_t)ch;
        else
            buffer->Char.UnicodeChar = (uint16_t)' ';
#endif

        buffer->Attributes = win32_fg_palette[fg < 0x10 ? fg : CACA_LIGHTGRAY]
                              | win32_bg_palette[bg < 0x10 ? bg : CACA_BLACK];
        cvattrs++;
        buffer++;
    }

    /* Blit the screen buffer */
    size.X = width;
    size.Y = height;
    pos.X = pos.Y = 0;
    rect.Left = rect.Top = 0;
    rect.Right = width - 1;
    rect.Bottom = height - 1;
#if 0
    WriteConsoleOutput(dp->drv.p->screen, dp->drv.p->buffer, size, pos, &rect);
#else
    /* FIXME: would this benefit from dirty rectangles? */
    WriteConsoleOutputW(dp->drv.p->screen, dp->drv.p->buffer, size, pos, &rect);
#endif
}
Exemplo n.º 18
0
static void slang_handle_resize(caca_display_t *dp)
{
    SLtt_get_screen_size();
    dp->resize.w = SLtt_Screen_Cols;
    dp->resize.h = SLtt_Screen_Rows;

    SLsig_block_signals();
    if(dp->resize.w != caca_get_canvas_width(dp->cv)
        || dp->resize.h != caca_get_canvas_height(dp->cv))
        SLsmg_reinit_smg();
    SLsig_unblock_signals();
}
Exemplo n.º 19
0
struct geo_facts
geo_facts_of(struct vnc *vnc, caca_display_t * disp, caca_canvas_t * view)
{
	struct geo_facts ret;
	ret.px_width = caca_get_display_width(disp);
	ret.px_height = caca_get_display_height(disp);
	ret.ch_width = caca_get_canvas_width(view);
	ret.ch_height = caca_get_canvas_height(view);
	ret.vnc_width = vnc->conn->width;
	ret.vnc_height = vnc->conn->height;
	return ret;
}
Exemplo n.º 20
0
int main(void)
{
    //                   R G B A
    uint32_t pattern = 0xFFFF00FF;

#ifdef __APPLE__
    memset_pattern4(gfx, &pattern, sizeof(gfx));
#else
    wmemset(gfx, pattern, (64*32) * sizeof(char));
#endif

    gfx[0] =    0xFF0000FF; // R
    gfx[1] =    0x00FF00FF; // G
    gfx[2] =    0x0000FFFF; // B
    gfx[63] =   0xFF0000FF; // R
    gfx[64*31] =0x00FF00FF; // G
    int x = 64, y = 32;
    gfx[(y-1)*64+(x-1)] = 0x0000FFFF; // B

    caca_canvas_t *cv; caca_display_t *dp; caca_event_t ev;
    dp = caca_create_display(NULL);
    if(!dp)
        return 1;
    /*
    printf("Current driver: %s\n", caca_get_display_driver(dp));
    char **drivers = caca_get_display_driver_list();
    caca_free_display(dp);
    while(*drivers != NULL) {
        printf("%s\n", *drivers);
        drivers++;
    }
    exit(0);*/
    cv = caca_get_canvas(dp);
    caca_dither_t *dither = caca_create_dither(32, 64, 32, 4*64,
        0xFF000000,
        0x00FF0000,
        0x0000FF00,
        0x000000FF);
    int cw = caca_get_canvas_width(cv);
    int ch = caca_get_canvas_height(cv);
    caca_set_display_title(dp, "Hello!");
    //caca_set_color_ansi(cv, CACA_BLUE, CACA_WHITE);
    //caca_put_str(cv, 0, 0, "This is a message");
    caca_dither_bitmap(cv, 0,0,cw,ch, dither, gfx);
    caca_refresh_display(dp);

    caca_free_dither(dither);
    //caca_get_event(dp, CACA_EVENT_KEY_PRESS, &ev, -1);
    caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
    caca_free_display(dp);
    return 0;
}
Exemplo n.º 21
0
void _caca_handle_resize(caca_display_t *dp)
{
    dp->drv.handle_resize(dp);

    /* Tell libcaca we changed size */
    if(dp->resize.w != caca_get_canvas_width(dp->cv)
            || dp->resize.h != caca_get_canvas_height(dp->cv))
    {
        dp->resize.allow = 1;
        caca_set_canvas_size(dp->cv, dp->resize.w, dp->resize.h);
        dp->resize.allow = 0;
    }
}
Exemplo n.º 22
0
static int conio_end_graphics(caca_display_t *dp)
{
    _wscroll = 1;
    textcolor((enum COLORS)WHITE);
    textbackground((enum COLORS)BLACK);
    gotoxy(caca_get_canvas_width(dp->cv), caca_get_canvas_height(dp->cv));
    cputs("\r\n");
    _setcursortype(_NORMALCURSOR);

    free(dp->drv.p->screen);
    free(dp->drv.p);

    return 0;
}
Exemplo n.º 23
0
Arquivo: svv.c Projeto: engie/robo_gui
void gui_console_init(int argc, char *argv[], int w, int h, int bpp)
{
        c_ui.dp = caca_create_display(NULL);
        c_ui.cv = caca_get_canvas(c_ui.dp);
        c_ui.ww = caca_get_canvas_width(c_ui.cv);
        c_ui.wh = caca_get_canvas_height(c_ui.cv);

	    caca_set_display_title(c_ui.dp, PACKAGE_NAME);
        c_ui.im = caca_create_dither(
                    bpp,
                    w, h,
                    3 * w /*stride*/,
                    0xff0000, 0x00ff00, 0x0000ff, 0);
}
Exemplo n.º 24
0
void
_mod_caca_plasma_anim (lw6sys_context_t * sys_context, _mod_caca_context_t * caca_context)
{
  if (frame != 0)
    {
      _increment_frame (sys_context, caca_context, NULL, NULL, NULL);
      return;
    }
  int wc, hc;
  caca_canvas_t *cv = NULL;
  caca_font_t *f = NULL;
  caca_dither_t *d = NULL;
  uint8_t *buf = NULL;
  char const *const *fonts;

  cv = caca_create_canvas (10, 1);
  if (cv == NULL)
    {
      lw6sys_log (sys_context, LW6SYS_LOG_ERROR, _x_ ("Can't create tmp canvas"));
      return;
    }
  hc = caca_get_canvas_height (caca_context->canvas);
  wc = caca_get_canvas_width (caca_context->canvas);
  _plasma (sys_context, PREPARE, caca_context->canvas);
  _plasma (sys_context, INIT, caca_context->canvas);

  caca_set_color_ansi (cv, CACA_BLACK, CACA_TRANSPARENT);
  caca_put_str (cv, 0, 0, "LiquidWar6");
  fonts = caca_get_font_list ();
  if (fonts[0] == NULL || fonts[1] == NULL)
    {
      lw6sys_log (sys_context, LW6SYS_LOG_ERROR, _x_ ("libcaca was compiled without any fonts"));
      return;
    }
  f = caca_load_font (fonts[1], 0);
  if (f == NULL)
    {
      lw6sys_log (sys_context, LW6SYS_LOG_ERROR, _x_ ("could not load font : '%s'"), fonts[0]);
      return;
    }
  buf = malloc (4 * wc * hc);
  if (buf == NULL)
    return;
  caca_render_canvas (cv, f, buf, wc, hc, 4 * wc);
  d = caca_create_dither (32, wc, hc, 4 * wc, 0xff00, 0xff0000, 0xff000000, 0xff);
  _increment_frame (sys_context, caca_context, f, d, buf);
  _mod_caca_splash_free (sys_context, caca_context, f, d, buf, 1);
  caca_free_canvas (cv);
}
Exemplo n.º 25
0
static void caca_gfx_create()
{
   caca_display = caca_create_display(NULL);
   caca_cv = caca_get_canvas(caca_display);

   if(!caca_video_width || !caca_video_height)
   {
      caca_video_width = caca_get_canvas_width(caca_cv);
      caca_video_height = caca_get_canvas_height(caca_cv);
   }

   if (caca_rgb32)
      caca_dither = caca_create_dither(32, caca_video_width, caca_video_height, caca_video_pitch,
                            0x00ff0000, 0xff00, 0xff, 0x0);
   else
      caca_dither = caca_create_dither(16, caca_video_width, caca_video_height, caca_video_pitch,
                            0xf800, 0x7e0, 0x1f, 0x0);

   video_driver_set_size(&caca_video_width, &caca_video_height);
}
Exemplo n.º 26
0
static void ncurses_handle_resize(caca_display_t *dp)
{
    struct winsize size;

#if defined HAVE_SYS_IOCTL_H
    if(ioctl(fileno(stdout), TIOCGWINSZ, &size) == 0)
    {
        dp->resize.w = size.ws_col;
        dp->resize.h = size.ws_row;
#if defined HAVE_RESIZE_TERM
        resize_term(dp->resize.h, dp->resize.w);
#else
        resizeterm(dp->resize.h, dp->resize.w);
#endif
        wrefresh(curscr);
        return;
    }
#endif

    /* Fallback */
    dp->resize.w = caca_get_canvas_width(dp->cv);
    dp->resize.h = caca_get_canvas_height(dp->cv);
}
Exemplo n.º 27
0
int main(int argc, char *argv[])
{
    caca_display_t *dp;
    caca_canvas_t *cv;

    caca_dither_t *dither;
    int x, y;

    dp = caca_create_display(NULL);
    if(dp == NULL)
    {
        printf("Can't create display\n");
        return -1;
    }

    cv = caca_get_canvas(dp);

    for(y = 0; y < 256; y++)
        for(x = 0; x < 256; x++)
    {
        buffer[y * 256 + x] = ((y * x / 256) << 16) | ((y * x / 256) << 8) | (x<< 0);
    }

    dither = caca_create_dither(32, 256, 256, 4 * 256,
                                 0x00ff0000, 0x0000ff00, 0x000000ff, 0x0);
    caca_dither_bitmap(caca_get_canvas(dp), 0, 0, caca_get_canvas_width(cv),
                        caca_get_canvas_height(cv), dither, buffer);
    caca_free_dither(dither);

    caca_refresh_display(dp);

    caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);

    caca_free_display(dp);

    return 0;
}
Exemplo n.º 28
0
static void conio_handle_resize(caca_display_t *dp)
{
    /* We know nothing about our window */
    dp->resize.w = caca_get_canvas_width(dp->cv);
    dp->resize.h = caca_get_canvas_height(dp->cv);
}
Exemplo n.º 29
0
int main(int argc, char *argv[]) {

	caca_canvas_t *cv;
	caca_canvas_t *figcv;
	caca_display_t *dp;
	uint32_t w, h, fw, fh;

	char *format = "%R:%S"; 
	char *font   = "/usr/share/figlet/mono12.tlf";


	for(;;)
	{
		int option_index = 0;
		static struct caca_option long_options[] =
		{
			{ "font",        1, NULL, 'f' },
			{ "dateformat",  1, NULL, 'd' },
			{ "help",        0, NULL, 'h' },
			{ "version",     0, NULL, 'v' },
		};
		int c = caca_getopt(argc, argv, "f:d:hv",
				long_options, &option_index);
		if(c == -1)
			break;

		switch(c)
		{
			case 'h': /* --help       */
				usage(argc, argv);
				return 0;
				break;
			case 'v': /* --version    */
				version();
				return 0;
				break;
			case 'f': /* --font       */
				font = caca_optarg;
				break;
			case 'd': /* --dateformat */
				format = caca_optarg;
				break;
			default:
				return 1;
				break;
		}
	}



	cv = caca_create_canvas(0, 0);
	figcv = caca_create_canvas(0, 0);
	if(!cv || !figcv)
	{  
		fprintf(stderr, "%s: unable to initialise libcaca\n", argv[0]);
		return 1;
	}

	if(caca_canvas_set_figfont(figcv, font))
	{  
		fprintf(stderr, "Could not open font\n");
		return -1;
	}


	dp = caca_create_display(cv);
	if(!dp) {
		printf("Can't open window. CACA_DRIVER problem ?\n");
		return -1;
	}

	caca_set_color_ansi(figcv, CACA_DEFAULT, CACA_DEFAULT);
	caca_clear_canvas(cv);
	for(;;) {
		caca_event_t ev;

		while(caca_get_event(dp, CACA_EVENT_KEY_PRESS
					| CACA_EVENT_QUIT, &ev, 1))
		{  
			if(caca_get_event_type(&ev))
				goto end;
		}
		char *d = get_date(format);
		uint32_t o = 0;

		// figfont API is not complete, and does not allow us to put a string
		// at another position than 0,0
		// So, we have to create a canvas which will hold the figfont string,
		// then blit this canvas to the main one at the desired position.
		caca_clear_canvas(cv);
		caca_clear_canvas(figcv);
		while(d[o])
		{  
			caca_put_figchar(figcv, d[o++]);
		}
		caca_flush_figlet (figcv);
		free(d);

		w = caca_get_canvas_width (cv);
		h = caca_get_canvas_height(cv);
        fw = caca_get_canvas_width (figcv);
		fh = caca_get_canvas_height(figcv);	

		uint32_t x = (w/2) - (fw/2);
		uint32_t y = (h/2) - (fh/2);

		caca_blit(cv, x, y, figcv, NULL);
		caca_refresh_display(dp);
		usleep(250000);
	}
end:

	caca_free_canvas(figcv);
	caca_free_canvas(cv);
	caca_free_display(dp);

	return 0;
}
Exemplo n.º 30
0
int main(int argc, char **argv)
{
    caca_event_t *events;
    int i, h, quit;

    cv = caca_create_canvas(80, 24);
    if(cv == NULL)
    {
        printf("Failed to create canvas\n");
        return 1;
    }

    dp = caca_create_display(cv);
    if(dp == NULL)
    {
        printf("Failed to create display\n");
        return 1;
    }

    h = caca_get_canvas_height(cv) - 1;

    caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
    caca_draw_line(cv, 0, 0, caca_get_canvas_width(cv) - 1, 0, ' ');

    caca_draw_line(cv, 0, h, caca_get_canvas_width(cv) - 1, h, ' ');
    caca_put_str(cv, 0, h, "type \"quit\" to exit");

    caca_refresh_display(dp);

    events = malloc(h * sizeof(caca_event_t));
    memset(events, 0, h * sizeof(caca_event_t));

    for(quit = 0; quit < 4; )
    {
        caca_event_t ev;
        static char const * quit_string[] = { "", "q", "qu", "qui", "quit" };
        int ret = caca_get_event(dp, CACA_EVENT_ANY, &ev, -1);

        if(!ret)
            continue;

        do
        {
            /* "quit" quits */
            if(caca_get_event_type(&ev) & CACA_EVENT_KEY_PRESS)
            {
                int key = caca_get_event_key_ch(&ev);
                if((key == 'q' && quit == 0) || (key == 'u' && quit == 1)
                    || (key == 'i' && quit == 2) || (key == 't' && quit == 3))
                    quit++;
                else if(key == 'q')
                    quit = 1;
                else
                    quit = 0;
            }

            memmove(events + 1, events, (h - 1) * sizeof(caca_event_t));
            events[0] = ev;

            ret = caca_get_event(dp, CACA_EVENT_ANY, &ev, 0);
        }
        while(ret);

        caca_set_color_ansi(cv, CACA_LIGHTGRAY, CACA_BLACK);
        caca_clear_canvas(cv);

        /* Print current event */
        caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
        caca_draw_line(cv, 0, 0, caca_get_canvas_width(cv) - 1, 0, ' ');
        print_event(0, 0, events);

        caca_draw_line(cv, 0, h, caca_get_canvas_width(cv) - 1, h, ' ');
        caca_printf(cv, 0, h, "type \"quit\" to exit: %s", quit_string[quit]);

        /* Print previous events */
        caca_set_color_ansi(cv, CACA_WHITE, CACA_BLACK);
        for(i = 1; i < h && caca_get_event_type(&events[i]); i++)
            print_event(0, i, events + i);

        caca_refresh_display(dp);
    }

    /* Clean up */
    free(events);
    caca_free_display(dp);
    caca_free_canvas(cv);

    return 0;
}