Eric Johnson
Something I observed today: al_draw_text does not draw text where I expected it to. I wanted to draw text snug to the top left corner of the display, but the y axis is not touching the top as I thought it would.
1#include <allegro5/allegro.h>
2#include <allegro5/allegro_font.h>
3#include <allegro5/allegro_ttf.h>
4
5int main(void) {
6
7 al_init();
8
9 al_init_font_addon();
10 al_init_ttf_addon();
11
12 ALLEGRO_DISPLAY *display = al_create_display(768, 448);
13
14 ALLEGRO_FONT *font = al_load_ttf_font("arial_black.ttf", 80, 0);
15
16 al_clear_to_color(al_map_rgb(255, 255, 255));
17
18 al_draw_text(font, al_map_rgb(0, 0, 0), 0, 0, 0, "This is a test!");
19
20 al_flip_display();
21
22 al_rest(5);
23
24 al_destroy_font(font);
25
26 al_destroy_display(display);
27
28 return 0;
29}
See the attached file for a screenshot of what happened and then what I expected to happen (edited in GIMP).
Is this the result of extra space in the font itself? Thanks.
</stupidquestion>
Todd Cope
You should use al_get_text_dimensions() if you need exact text placement. You just subtract the x and y values returned by al_get_text_dimensions() from your target coordinates.
Eric Johnson
Fantastic. Thanks, Todd. 