/* Transitions */
void transition(caca_canvas_t *mask, int tmode, int completed)
{
static float const star[] =
{
0.000000, -1.000000,
0.308000, -0.349000,
0.992000, -0.244000,
0.500000, 0.266000,
0.632000, 0.998000,
0.008000, 0.659000,
-0.601000, 0.995000,
-0.496000, 0.275000,
-0.997000, -0.244000,
-0.313000, -0.349000
};
static float star_rot[sizeof(star)/sizeof(*star)];
static float const square[] =
{
-1, -1,
1, -1,
1, 1,
-1, 1
};
static float square_rot[sizeof(square)/sizeof(*square)];
float mulx = 0.0075f * completed * caca_get_canvas_width(mask);
float muly = 0.0075f * completed * caca_get_canvas_height(mask);
int w2 = caca_get_canvas_width(mask) / 2;
int h2 = caca_get_canvas_height(mask) / 2;
float angle = (0.0075f * completed * 360) * 3.14 / 180, x, y;
unsigned int i;
int w = caca_get_canvas_width(mask);
int h = caca_get_canvas_height(mask);
switch(tmode)
{
case TRANSITION_SQUARE:
/* Compute rotated coordinates */
for(i = 0; i < (sizeof(square) / sizeof(*square)) / 2; i++)
{
x = square[i * 2];
y = square[i * 2 + 1];
square_rot[i * 2] = x * cos(angle) - y * sin(angle);
square_rot[i * 2 + 1] = y * cos(angle) + x * sin(angle);
}
mulx *= 1.8;
muly *= 1.8;
caca_fill_triangle(mask,
square_rot[0*2] * mulx + w2, square_rot[0*2+1] * muly + h2, \
square_rot[1*2] * mulx + w2, square_rot[1*2+1] * muly + h2, \
square_rot[2*2] * mulx + w2, square_rot[2*2+1] * muly + h2, '#');
caca_fill_triangle(mask,
square_rot[0*2] * mulx + w2, square_rot[0*2+1] * muly + h2, \
square_rot[2*2] * mulx + w2, square_rot[2*2+1] * muly + h2, \
square_rot[3*2] * mulx + w2, square_rot[3*2+1] * muly + h2, '#');
break;
case TRANSITION_STAR:
/* Compute rotated coordinates */
for(i = 0; i < (sizeof(star) / sizeof(*star)) / 2; i++)
{
x = star[i * 2];
y = star[i * 2 + 1];
star_rot[i * 2] = x * cos(angle) - y * sin(angle);
star_rot[i * 2 + 1] = y * cos(angle) + x * sin(angle);
}
mulx *= 1.8;
muly *= 1.8;
#define DO_TRI(a, b, c) \
caca_fill_triangle(mask, \
star_rot[(a)*2] * mulx + w2, star_rot[(a)*2+1] * muly + h2, \
star_rot[(b)*2] * mulx + w2, star_rot[(b)*2+1] * muly + h2, \
star_rot[(c)*2] * mulx + w2, star_rot[(c)*2+1] * muly + h2, '#')
DO_TRI(0, 1, 9);
DO_TRI(1, 2, 3);
DO_TRI(3, 4, 5);
DO_TRI(5, 6, 7);
DO_TRI(7, 8, 9);
DO_TRI(9, 1, 5);
DO_TRI(9, 5, 7);
DO_TRI(1, 3, 5);
break;
case TRANSITION_CIRCLE:
caca_fill_ellipse(mask, w2, h2, mulx, muly, '#');
break;
case TRANSITION_VLINES:
for(i = 0; i < 8; i++)
{
int z = ((i & 1) ? w : (-w)/2) * (100 - completed) / 100;
caca_fill_box(mask, i * w / 8, z , (w / 8) + 1, z + h, '#');
}
break;
case TRANSITION_HLINES:
for(i = 0; i < 6; i++)
{
int z = ((i & 1) ? w : (-w)/2) * (100 - completed) / 100;
caca_fill_box(mask, z, i * h / 6, z + w, (h / 6) + 1, '#');
}
break;
}
}
int main(int argc, char *argv[])
{
caca_canvas_t *cv;
caca_dither_t *dither;
void *buffer;
char *file, *format;
char const * const * exports, * const * p;
size_t len;
int x, y;
exports = caca_get_export_list();
if(argc < 2 || argc > 3)
{
fprintf(stderr, "%s: wrong argument count\n", argv[0]);
fprintf(stderr, "usage: %s [file] <format>\n", argv[0]);
fprintf(stderr, "where <format> is one of:\n");
for(p = exports; *p; p += 2)
fprintf(stderr, " \"%s\" (%s)\n", *p, *(p + 1));
exit(-1);
}
if(argc == 2)
{
file = NULL;
format = argv[1];
}
else
{
file = argv[1];
format = argv[2];
}
for(p = exports; *p; p += 2)
if(!strcasecmp(format, *p))
break;
if(!*p)
{
fprintf(stderr, "%s: unknown format `%s'\n", argv[0], format);
fprintf(stderr, "please use one of:\n");
for(p = exports; *p; p += 2)
fprintf(stderr, " \"%s\" (%s)\n", *p, *(p + 1));
exit(-1);
}
if(file)
{
cv = caca_create_canvas(0, 0);
if(caca_import_canvas_from_file(cv, file, "") < 0)
{
fprintf(stderr, "%s: `%s' has unknown format\n", argv[0], file);
exit(-1);
}
}
else
{
cv = caca_create_canvas(WIDTH, HEIGHT);
for(y = 0; y < 256; y++)
{
for(x = 0; x < 256; x++)
{
uint32_t r = x;
uint32_t g = (255 - y + x) / 2;
uint32_t b = y * (255 - x) / 256;
pixels[y * 256 + x] = (r << 16) | (g << 8) | (b << 0);
}
}
dither = caca_create_dither(32, 256, 256, 4 * 256,
0x00ff0000, 0x0000ff00, 0x000000ff, 0x0);
if(!strcmp(format, "ansi") || !strcmp(format, "utf8"))
caca_set_dither_charset(dither, "shades");
caca_dither_bitmap(cv, 0, 0, caca_get_canvas_width(cv),
caca_get_canvas_height(cv), dither, pixels);
caca_free_dither(dither);
caca_set_color_ansi(cv, CACA_WHITE, CACA_BLACK);
caca_draw_thin_box(cv, 0, 0, WIDTH - 1, HEIGHT - 1);
caca_set_color_ansi(cv, CACA_BLACK, CACA_WHITE);
caca_fill_ellipse(cv, WIDTH / 2, HEIGHT / 2,
WIDTH / 4, HEIGHT / 4, ' ');
caca_set_color_ansi(cv, CACA_LIGHTGRAY, CACA_BLACK);
caca_put_str(cv, WIDTH / 2 - 12, HEIGHT / 2 - 6,
" lightgray on black ");
caca_set_color_ansi(cv, CACA_DEFAULT, CACA_TRANSPARENT);
caca_put_str(cv, WIDTH / 2 - 12, HEIGHT / 2 - 5,
" default on transparent ");
caca_set_color_ansi(cv, CACA_BLACK, CACA_WHITE);
caca_put_str(cv, WIDTH / 2 - 12, HEIGHT / 2 - 4,
" black on white ");
caca_set_color_ansi(cv, CACA_BLACK, CACA_WHITE);
caca_put_str(cv, WIDTH / 2 - 8, HEIGHT / 2 - 3, "[<><><><> <>--<>]");
caca_put_str(cv, WIDTH / 2 - 8, HEIGHT / 2 - 2, "[ドラゴン ボーレ]");
caca_put_str(cv, WIDTH / 2 - 7, HEIGHT / 2 + 2, "äβç ░▒▓█▓▒░ ΔЗҒ");
caca_put_str(cv, WIDTH / 2 - 5, HEIGHT / 2 + 4, "(\") \\o/ <&>");
caca_set_attr(cv, CACA_BOLD);
caca_put_str(cv, WIDTH / 2 - 16, HEIGHT / 2 + 3, "Bold");
caca_set_attr(cv, CACA_BLINK);
caca_put_str(cv, WIDTH / 2 - 9, HEIGHT / 2 + 3, "Blink");
caca_set_attr(cv, CACA_ITALICS);
caca_put_str(cv, WIDTH / 2 - 1, HEIGHT / 2 + 3, "Italics");
caca_set_attr(cv, CACA_UNDERLINE);
caca_put_str(cv, WIDTH / 2 + 8, HEIGHT / 2 + 3, "Underline");
caca_set_attr(cv, 0);
caca_set_color_ansi(cv, CACA_WHITE, CACA_LIGHTBLUE);
caca_put_str(cv, WIDTH / 2 - 7, HEIGHT / 2, " LIBCACA ");
for(x = 0; x < 16; x++)
{
caca_set_color_argb(cv, 0xff00 | x, 0xf00f | (x << 4));
caca_put_char(cv, WIDTH / 2 - 7 + x, HEIGHT / 2 + 6, '#');
}
}
buffer = caca_export_canvas_to_memory(cv, format, &len);
fwrite(buffer, len, 1, stdout);
free(buffer);
caca_free_canvas(cv);
return 0;
}
JNIEXPORT void JNICALL
Java_org_zoy_caca_Canvas_canvasFillEllipse(JNIEnv *env, jclass cls, jlong ptr, jint x,
jint y, jint a, jint b, jint ch)
{
caca_fill_ellipse((caca_canvas_t *)ptr, x, y, a, b, ch);
}
