WINDOW display_image(IMAGE *image,
const char *title,
INT32 x,
INT32 y,
BOOL8 wait) {
WINDOW im_window;
INT16 i;
GRAPHICS_EVENT event; //output event
// xmin xmax ymin ymax
im_window = create_window (title, SCROLLINGWIN, x, y, 10 * image->get_xsize (), 10 * image->get_ysize (), 0, image->get_xsize (), 0, image->get_ysize (),
TRUE, FALSE, FALSE, TRUE); // down event & key only
clear_view_surface(im_window);
show_sub_image (image,
0, 0,
image->get_xsize (), image->get_ysize (), im_window, 0, 0);
line_color_index(im_window, RED);
for (i = 1; i < image->get_xsize (); i++) {
move2d (im_window, i, 0);
draw2d (im_window, i, image->get_ysize ());
}
for (i = 1; i < image->get_ysize (); i++) {
move2d (im_window, 0, i);
draw2d (im_window, image->get_xsize (), i);
}
overlap_picture_ops(TRUE);
if (wait)
await_event(im_window, TRUE, ANY_EVENT, &event);
return im_window;
}
char window_wait( /*move pen */
void *win) {
WINDOW window = (WINDOW) win;
GRAPHICS_EVENT event;
await_event(window, TRUE, ANY_EVENT, &event);
if (event.type == KEYPRESS_EVENT)
return event.key;
else
return '\0';
}
void display_images(IMAGE &clip_image, IMAGE &scaled_image) {
WINDOW clip_im_window; //window for debug
WINDOW scale_im_window; //window for debug
INT16 i;
GRAPHICS_EVENT event; // c;
// xmin xmax ymin ymax
clip_im_window = create_window ("Clipped Blob", SCROLLINGWIN, editor_word_xpos - 20, editor_word_ypos - 100, 5 * clip_image.get_xsize (), 5 * clip_image.get_ysize (), 0, clip_image.get_xsize (), 0, clip_image.get_ysize (),
TRUE, FALSE, FALSE, TRUE); // down event & key only
clear_view_surface(clip_im_window);
show_sub_image (&clip_image,
0, 0,
clip_image.get_xsize (), clip_image.get_ysize (),
clip_im_window, 0, 0);
line_color_index(clip_im_window, RED);
for (i = 1; i < clip_image.get_xsize (); i++) {
move2d (clip_im_window, i, 0);
draw2d (clip_im_window, i, clip_image.get_xsize ());
}
for (i = 1; i < clip_image.get_ysize (); i++) {
move2d (clip_im_window, 0, i);
draw2d (clip_im_window, clip_image.get_xsize (), i);
}
// xmin xmax ymin ymax
scale_im_window = create_window ("Scaled Blob", SCROLLINGWIN, editor_word_xpos + 300, editor_word_ypos - 100, 5 * scaled_image.get_xsize (), 5 * scaled_image.get_ysize (), 0, scaled_image.get_xsize (), 0, scaled_image.get_ysize (),
TRUE, FALSE, FALSE, TRUE); // down event & key only
clear_view_surface(scale_im_window);
show_sub_image (&scaled_image,
0, 0,
scaled_image.get_xsize (), scaled_image.get_ysize (),
scale_im_window, 0, 0);
line_color_index(scale_im_window, RED);
for (i = 1; i < scaled_image.get_xsize (); i++) {
move2d (scale_im_window, i, 0);
draw2d (scale_im_window, i, scaled_image.get_xsize ());
}
for (i = 1; i < scaled_image.get_ysize (); i++) {
move2d (scale_im_window, 0, i);
draw2d (scale_im_window, scaled_image.get_xsize (), i);
}
overlap_picture_ops(TRUE);
await_event(scale_im_window, TRUE, ANY_EVENT, &event);
destroy_window(clip_im_window);
destroy_window(scale_im_window);
}
DLLSYM WINDOW await_key( /*wait for key */
WINDOW win, /*window to wait on */
BOOL8 wait, /*waiting flag */
char &c /*return character */
) {
GRAPHICS_EVENT event; /*return event */
win = await_event (win, wait, KEYPRESS_EVENT, &event);
if (event.type == DESTROY_EVENT)
return NULL; //was destroyed
if (win != NULL)
c = event.key; /*get keypress */
return win;
}
DLLSYM WINDOW await_click( /*wait for click */
WINDOW win, /*window to wait on */
BOOL8 wait, /*waiting flag */
float &x, /*coords of click */
float &y /*coords of click */
) {
GRAPHICS_EVENT event; /*return event */
win = await_event (win, wait, DOWN_EVENT, &event);
if (event.type == DESTROY_EVENT)
return NULL; //was destroyed
if (win != NULL) {
x = event.x; /*get coords */
y = event.y;
}
return win;
}
DLLSYM WINDOW await_selection( /*wait for selection */
WINDOW win, /*window to wait on */
BOOL8 wait, /*waiting flag */
float &xmin, /*coords of selection */
float &ymin, /*coords of selection */
float &xmax, /*coords of selection */
float &ymax /*coords of selection */
) {
GRAPHICS_EVENT event; /*return event */
win = await_event (win, wait, SELECT_EVENT, &event);
if (event.type == DESTROY_EVENT)
return NULL; //was destroyed
if (win != NULL) {
xmin = event.x; /*get coords */
ymin = event.y;
xmax = event.xmax; /*get coords */
ymax = event.ymax;
}
return win;
}
void display_images(IMAGE *image_w, IMAGE *image_n, IMAGE *match_image) {
WINDOW w_im_window;
WINDOW n_im_window;
WINDOW match_window;
GRAPHICS_EVENT event; //output event
INT16 i;
// xmin xmax ymin ymax
w_im_window = create_window ("Image 1", SCROLLINGWIN, 20, 100, 10 * image_w->get_xsize (), 10 * image_w->get_ysize (), 0, image_w->get_xsize (), 0, image_w->get_ysize (),
TRUE, FALSE, FALSE, TRUE); // down event & key only
clear_view_surface(w_im_window);
show_sub_image (image_w,
0, 0,
image_w->get_xsize (), image_w->get_ysize (),
w_im_window, 0, 0);
line_color_index(w_im_window, RED);
for (i = 1; i < image_w->get_xsize (); i++) {
move2d (w_im_window, i, 0);
draw2d (w_im_window, i, image_w->get_ysize ());
}
for (i = 1; i < image_w->get_ysize (); i++) {
move2d (w_im_window, 0, i);
draw2d (w_im_window, image_w->get_xsize (), i);
}
// xmin xmax ymin ymax
n_im_window = create_window ("Image 2", SCROLLINGWIN, 240, 100, 10 * image_n->get_xsize (), 10 * image_n->get_ysize (), 0, image_n->get_xsize (), 0, image_n->get_ysize (),
TRUE, FALSE, FALSE, TRUE); // down event & key only
clear_view_surface(n_im_window);
show_sub_image (image_n,
0, 0,
image_n->get_xsize (), image_n->get_ysize (),
n_im_window, 0, 0);
line_color_index(n_im_window, RED);
for (i = 1; i < image_n->get_xsize (); i++) {
move2d (n_im_window, i, 0);
draw2d (n_im_window, i, image_n->get_ysize ());
}
for (i = 1; i < image_n->get_ysize (); i++) {
move2d (n_im_window, 0, i);
draw2d (n_im_window, image_n->get_xsize (), i);
}
overlap_picture_ops(TRUE);
// xmin xmax ymin ymax
match_window = create_window ("Match Result", SCROLLINGWIN, 460, 100, 10 * match_image->get_xsize (), 10 * match_image->get_ysize (), 0, match_image->get_xsize (), 0, match_image->get_ysize (),
TRUE, FALSE, FALSE, TRUE); // down event & key only
clear_view_surface(match_window);
show_sub_image (match_image,
0, 0,
match_image->get_xsize (), match_image->get_ysize (),
match_window, 0, 0);
line_color_index(match_window, RED);
for (i = 1; i < match_image->get_xsize (); i++) {
move2d (match_window, i, 0);
draw2d (match_window, i, match_image->get_ysize ());
}
for (i = 1; i < match_image->get_ysize (); i++) {
move2d (match_window, 0, i);
draw2d (match_window, match_image->get_xsize (), i);
}
overlap_picture_ops(TRUE);
await_event(match_window, TRUE, ANY_EVENT, &event);
destroy_window(w_im_window);
destroy_window(n_im_window);
destroy_window(match_window);
}
int main(void) {
buffer_t buf = buf_new(1);
screen_t fake, real;
int rows, cols;
read_dimensions(&rows, &cols);
fake_screen_init(&fake, rows, cols);
real_screen_init(&buf, &real, rows, cols);
prepare_events();
int x = 0,
y = 0;
char text[cols*rows];
bool marks[cols*rows];
memset(text, ' ', sizeof text);
memset(marks, 0, sizeof marks);
await: {
event_t e = await_event();
switch (e.type) {
case E_SIG:
goto quit;
break;
case E_KEY:
switch (e.key) {
case '\b':
if (x > 0) x -= 1;
break;
case '\n': x = 0; y += 1; break;
case '~':
marks[x + y*cols] = !marks[x + y*cols];
x++;
break;
default:
text[x + y*cols] = e.key;
x++;
break;
}
break;
case E_UP: y -= 1; break;
case E_DOWN: y += 1; break;
case E_LEFT: x -= 1; break;
case E_RIGHT: x += 1; break;
default:
break;
}
int cx, cy;
for (cx = 0; cx < cols; cx++) {
for (cy = 0; cy < rows; cy++) {
fake.cells[cx + cy*cols].codes[0] = text[cx + cy*cols];
}
}
int j;
for (j = 0; j < cols*rows; j++) {
if (marks[j]) {
fake.cells[j].style.back.rgb = 0xff0000;
}
}
fake.cursor.x = x;
fake.cursor.y = y;
fake.cursor.visible = true;
screen_flush(&buf, &fake, &real);
write(STDOUT_FILENO, buf.data, buf.used);
buf.used = 0;
fake_screen_reset(&fake, 25, 80);
goto await;
}
quit:
cleanup_events();
real_screen_cleanup(&buf, &real);
write(STDOUT_FILENO, buf.data, buf.used);
screen_free(&fake);
screen_free(&real);
buf_free(&buf);
return 0;
}
