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| author | Sadeep Madurange <sadeep@asciimx.com> | 2025-10-20 18:33:15 +0800 |
|---|---|---|
| committer | Sadeep Madurange <sadeep@asciimx.com> | 2025-10-20 18:33:15 +0800 |
| commit | 7b6a5111c9ed061bcfe9fc7c93055f952f4a34a0 (patch) | |
| tree | 3de3b69a6f6b53f5f9a055abf6485f40c921d4d9 /main.c | |
| download | allegro4-7b6a5111c9ed061bcfe9fc7c93055f952f4a34a0.tar.gz | |
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 45 |
1 files changed, 45 insertions, 0 deletions
@@ -0,0 +1,45 @@ +#include <allegro.h> + +int main(void) +{ + /* you should always do this at the start of Allegro programs */ + if (allegro_init() != 0) + return 1; + + /* set up the keyboard handler */ + install_keyboard(); + + /* set a graphics mode sized 320x200 */ + if (set_gfx_mode(GFX_AUTODETECT, 320, 200, 0, 0) != 0) { + if (set_gfx_mode(GFX_SAFE, 320, 200, 0, 0) != 0) { + set_gfx_mode(GFX_TEXT, 0, 0, 0, 0); + allegro_message("Unable to set any graphic mode\n%s\n", allegro_error); + return 1; + } + } + + /* set the color palette */ + set_palette(desktop_palette); + + /* clear the screen to white */ + clear_to_color(screen, makecol(255, 255, 255)); + + /* you don't need to do this, but on some platforms (eg. Windows) things + * will be drawn more quickly if you always acquire the screen before + * trying to draw onto it. + */ + acquire_screen(); + + /* write some text to the screen with black letters and transparent background */ + textout_centre_ex(screen, font, "Hello, world!", SCREEN_W/2, SCREEN_H/2, makecol(0,0,0), -1); + + /* you must always release bitmaps before calling any input functions */ + release_screen(); + + /* wait for a key press */ + readkey(); + + return 0; +} + +END_OF_MAIN() |
