int main(void)
{
caca_canvas_t *cv;
caca_display_t *dp;
caca_event_t ev;
// Create canvas and display
cv = caca_create_canvas(100,80);
if(!cv) return 1;
dp = caca_create_display_with_driver(cv, "ncurses");
if(!dp) return 1;
caca_set_display_title(dp, "WPC 66");
caca_set_color_ansi(cv, CACA_WHITE, CACA_BLACK);
// Tree stump
caca_fill_box (cv, 47, 50, 6, 4, '|');
// Tree body
caca_draw_thin_triangle (cv,50,10,10,50,90,50);
// Pot
caca_fill_triangle(cv, 35, 53, 40, 60, 40, 53, '@');
caca_fill_box(cv, 40, 53, 19, 8, '@');
caca_fill_triangle(cv, 59, 60, 64, 53, 59, 53, '@');
// Balls
int balls[] = {50, 25, 35, 35, 25, 43, 58, 32, 68, 41, 50, 46};
for (int i = 0; i <= 10; i += 2)
caca_draw_thin_ellipse(cv, balls[i], balls[i+1], 2, 2);
// Sparkly stuff
int sparks[] = {54, 20, 42, 30, 40, 45, 46, 38, 60, 43, 75, 48};
for (int i = 0; i <= 10; i += 2)
{
caca_put_char(cv, sparks[i], sparks[i+1], '*');
caca_put_char(cv, sparks[i]-1, sparks[i+1], '<');
caca_put_char(cv, sparks[i]+1, sparks[i+1], '>');
caca_put_char(cv, sparks[i], sparks[i+1]-1, '^');
caca_put_char(cv, sparks[i], sparks[i+1]+1, 'v');
}
// Guirlandes
caca_draw_thin_line(cv, 32, 44, 70, 35);
caca_draw_thin_line(cv, 17, 49, 30, 46);
caca_draw_thin_line(cv, 60, 47, 80, 43);
caca_draw_thin_line(cv, 43, 35, 52, 33);
caca_draw_thin_line(cv, 55, 28, 60, 27);
caca_draw_thin_line(cv, 40, 25, 45, 24);
// Star outline
caca_fill_triangle(cv, 50, 16, 40, 10, 60, 10, ' ');
int star_x[] = {50, 45, 40, 45, 40, 45, 50, 55, 60, 55, 60, 55, 50};
int star_y[] = { 4, 7, 7, 10, 13, 13, 16, 13, 13, 10, 7, 7, 4};
caca_draw_thin_polyline(cv, star_x, star_y, 12);
// Inside of star
int star[] = {50,8,50,9,50,10,50,11,50,12,49,9,48,9,51,9,52,9,49,10,51,10,49,11,48,11,51,11,52,11};
for (int i = 0; i <= 29; i += 2)
caca_put_char(cv, star[i], star[i+1], '*');
// Display and wait for key press
caca_refresh_display(dp);
caca_get_event(dp, CACA_EVENT_KEY_PRESS, &ev, -1);
caca_free_display(dp);
return 0;
}
int main(int argc, char *argv[])
{
textentry entries[TEXT_ENTRIES];
caca_canvas_t *cv;
caca_display_t *dp;
unsigned int i, e = 0, running = 1;
cv = caca_create_canvas(0, 0);
if(cv == NULL)
{
printf("Can't create canvas\n");
return -1;
}
dp = caca_create_display(cv);
if(dp == NULL)
{
printf("Can't create display\n");
return -1;
}
caca_set_cursor(dp, 1);
caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
caca_put_str(cv, 1, 1, "Text entries - press tab to cycle");
for(i = 0; i < TEXT_ENTRIES; i++)
{
entries[i].buffer[0] = 0;
entries[i].size = 0;
entries[i].cursor = 0;
entries[i].changed = 1;
caca_printf(cv, 3, 3 * i + 4, "[entry %i]", i + 1);
}
/* Put Unicode crap in the last text entry */
entries[TEXT_ENTRIES - 1].buffer[0] = 'A';
entries[TEXT_ENTRIES - 1].buffer[1] = 'b';
entries[TEXT_ENTRIES - 1].buffer[2] = caca_utf8_to_utf32("Ç", NULL);
entries[TEXT_ENTRIES - 1].buffer[3] = caca_utf8_to_utf32("đ", NULL);
entries[TEXT_ENTRIES - 1].buffer[4] = caca_utf8_to_utf32("ボ", NULL);
entries[TEXT_ENTRIES - 1].buffer[5] = CACA_MAGIC_FULLWIDTH;
entries[TEXT_ENTRIES - 1].buffer[6] = caca_utf8_to_utf32("♥", NULL);
entries[TEXT_ENTRIES - 1].size = 7;
while(running)
{
caca_event_t ev;
for(i = 0; i < TEXT_ENTRIES; i++)
{
unsigned int j, start, size;
if(!entries[i].changed)
continue;
caca_set_color_ansi(cv, CACA_BLACK, CACA_LIGHTGRAY);
caca_fill_box(cv, 2, 3 * i + 5, BUFFER_SIZE + 1, 1, ' ');
start = 0;
size = entries[i].size;
for(j = 0; j < size; j++)
{
caca_put_char(cv, 2 + j, 3 * i + 5,
entries[i].buffer[start + j]);
}
entries[i].changed = 0;
}
/* Put the cursor on the active textentry */
caca_gotoxy(cv, 2 + entries[e].cursor, 3 * e + 5);
caca_refresh_display(dp);
if(caca_get_event(dp, CACA_EVENT_KEY_PRESS, &ev, -1) == 0)
continue;
switch(caca_get_event_key_ch(&ev))
{
case CACA_KEY_ESCAPE:
running = 0;
break;
case CACA_KEY_TAB:
case CACA_KEY_RETURN:
e = (e + 1) % TEXT_ENTRIES;
break;
case CACA_KEY_HOME:
entries[e].cursor = 0;
break;
case CACA_KEY_END:
entries[e].cursor = entries[e].size;
break;
case CACA_KEY_LEFT:
if(entries[e].cursor)
entries[e].cursor--;
break;
case CACA_KEY_RIGHT:
if(entries[e].cursor < entries[e].size)
entries[e].cursor++;
break;
case CACA_KEY_DELETE:
if(entries[e].cursor < entries[e].size)
{
memmove(entries[e].buffer + entries[e].cursor,
entries[e].buffer + entries[e].cursor + 1,
(entries[e].size - entries[e].cursor + 1) * 4);
entries[e].size--;
entries[e].changed = 1;
}
break;
case CACA_KEY_BACKSPACE:
if(entries[e].cursor)
{
memmove(entries[e].buffer + entries[e].cursor - 1,
entries[e].buffer + entries[e].cursor,
(entries[e].size - entries[e].cursor) * 4);
entries[e].size--;
entries[e].cursor--;
entries[e].changed = 1;
}
break;
default:
if(entries[e].size < BUFFER_SIZE)
{
memmove(entries[e].buffer + entries[e].cursor + 1,
entries[e].buffer + entries[e].cursor,
(entries[e].size - entries[e].cursor) * 4);
entries[e].buffer[entries[e].cursor] =
caca_get_event_key_utf32(&ev);
entries[e].size++;
entries[e].cursor++;
entries[e].changed = 1;
}
break;
}
}
caca_free_display(dp);
caca_free_canvas(cv);
return 0;
}
/* 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;
}
}
JNIEXPORT void JNICALL
Java_org_zoy_caca_Canvas_canvasFillBox(JNIEnv *env, jclass cls, jlong ptr,
jint x, jint y, jint w, jint h, jint ch)
{
caca_fill_box((caca_canvas_t *)ptr, x, y, w, h, ch);
}