cawte lidi mamtu jeden poblem ucim sa C a zrovna grafiku ale mam tu jeden problem ze ked spustim moj program a nakreslim kratku ciaru tak zamrzne ked nekreslim ide ok tu je ZDROJAK:
#include <allegro.h>
int main()
{
BITMAP* obrazocek;
allegro_init();
install_mouse();
install_timer();
install_keyboard();
set_color_depth(16);
if (set_gfx_mode(GFX_AUTODETECT_FULLSCREEN, 640, 480, 0, 0) != 0)
{
set_gfx_mode(GFX_TEXT, 0, 0, 0, 0);
allegro_message("Zlyhala grafika\n%s\n", allegro_error);
return 1;
}
show_mouse(screen);
while( ! keypressed())
{
if (mouse_b & 2)
{
show_mouse(NULL);
putpixel(screen, mouse_x, mouse_y, makecol(255,255,0));
show_mouse(screen);
}
}
readkey();
return 0;
}
END_OF_MAIN();
a SEM JE CHYBA
insert@insert-desktop:~$ cd Plocha
insert@insert-desktop:~/Plocha$ gcc 12.c -o 12 -lalleg-4.2.2
insert@insert-desktop:~/Plocha$ ./12
X Error of failed request: BadValue (integer parameter out of range for operation)
Major opcode of failed request: 134 (XFree86-VidModeExtension)
Minor opcode of failed request: 10 (XF86VidModeSwitchToMode)
Value in failed request: 0x3800003
Serial number of failed request: 2657563
Current serial number in output stream: 2657569
insert@insert-desktop:~/Plocha$
predom dik za rady
C problem s allgero
Pre pridávanie komentárov sa musíte prihlásiť.
#include <allegro.h> int main() { allegro_init(); install_mouse(); install_timer(); install_keyboard(); set_color_depth(16); if (set_gfx_mode(GFX_AUTODETECT_FULLSCREEN, 640, 480, 0, 0) != 0) { set_gfx_mode(GFX_TEXT, 0, 0, 0, 0); allegro_message("Zlyhala grafika\n%s\n", allegro_error); return 1; } show_mouse(screen); while( ! keypressed()) { if (mouse_b & 2) { show_mouse(NULL); putpixel(screen, mouse_x, mouse_y, makecol(255,255,0)); show_mouse(screen); } } readkey(); set_gfx_mode(GFX_TEXT, 0, 0, 0, 0); allegro_exit(); return 0; } END_OF_MAIN();Inak, skus kompilovat prikazom
gcc priklad.c -o priklad `allegro-config --libs`. Ak to stale bude padat, mozno mas len nedobru verziu allegra, kedze program samotny je ok.Napadlo mi este, ze skus pozriet pri init_mouse() a init_timer(), ci sa to dobre inicializovalo (pomocou navratovej hodnoty).
poll_mouse() -- je to na refresh udajov z mysky.-.ň
neviem ci som to spravne napisal..
a tiez poll_keyboard()
skus malo bz to pomoct a tu BIitmapu vyhod ak nepouzivas.. sice kompiler by ta na to mal upozornit ak pouzivas warning
takze to bude asik tym ubuntu....
:) len žartujem
kompiloval si si allegro sam alebo si pouzil distribucne?
gcc priklad.c -o priklad `allegro-config --libs` tak mi to urobi presne to iste psuti sa mi to okno nakreslim kratku ciaru a potom mi to sekne az kym neresetnem PC..... a potom som este skusil ctrl+alt+f4 a ptoom spet ctrl+alt+f7 naskocila mi obrazovka aj bez resetnutia ale z strasne malim rozlisenim
#include <allegro.h> int main() { BITMAP *bmp; allegro_init(); install_mouse(); install_timer(); install_keyboard(); set_color_depth(16); if (set_gfx_mode(GFX_AUTODETECT_WINDOWED, 640, 480, 0, 0) != 0) { set_gfx_mode(GFX_TEXT, 0, 0, 0, 0); allegro_message("Zlyhala grafika\n%s\n", allegro_error); return 1; } bmp=create_bitmap(screen->w,screen->h); clear(bmp); show_mouse(bmp); while( ! keypressed()) { if (mouse_b & 2) { show_mouse(NULL); putpixel(bmp, mouse_x, mouse_y, makecol(255,255,0)); show_mouse(bmp); } blit(bmp,screen,0,0,0,0,bmp->w,bmp->h); } show_mouse(NULL); readkey(); destroy_bitmap(bmp); set_gfx_mode(GFX_TEXT, 0, 0, 0, 0); allegro_exit(); return 0; } END_OF_MAIN();Pozn: Ano, uvedomujem si, ze to ma daleko od idealneho kodu, ale na skusku to postaci.#include <allegro.h> int main() { BITMAP *bmp; /* Zadefinujem si pointer typu BITMAP */ allegro_init(); install_mouse(); install_timer(); install_keyboard(); set_color_depth(16); if (set_gfx_mode(GFX_AUTODETECT_WINDOWED, 640, 480, 0, 0) != 0) { set_gfx_mode(GFX_TEXT, 0, 0, 0, 0); allegro_message("Zlyhala grafika\n%s\n", allegro_error); return 1; } /* Naalokujem v ramke priestor na obrazok velkosti screen->w krat screen->h (v tomto pripade 640x480) a s hlbkou definovanou set_color_depth (v tomto pripade 16bit) */ bmp=create_bitmap(screen->w,screen->h); /* A rovno ho aj vycistim -> bude cely cierny */ clear(bmp); show_mouse(bmp); while( ! keypressed()) { if (mouse_b & 2) { show_mouse(NULL); putpixel(bmp, mouse_x, mouse_y, makecol(255,255,0)); show_mouse(bmp); } /* Skopirujem obsah obrazku z pamate na obrazovku. Tento konkretny prikaz s tymito parametrami vzdy prekresli uplne celu obrazovku. Viac o parametroch prikazu blit sa docitas v manuali http://alleg.sourceforge.net/stabledocs/en/alleg014.html#blit */ blit(bmp,screen,0,0,0,0,bmp->w,bmp->h); } show_mouse(NULL); readkey(); /* Uvolnim pamat, ktoru zaberal obrazok */ destroy_bitmap(bmp); set_gfx_mode(GFX_TEXT, 0, 0, 0, 0); allegro_exit(); return 0; } END_OF_MAIN();