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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 | |
| download | allegro4-master.tar.gz | |
| -rw-r--r-- | .gitignore | 2 | ||||
| -rw-r--r-- | Makefile | 26 | ||||
| -rw-r--r-- | README.txt | 3 | ||||
| -rw-r--r-- | main.c | 45 |
4 files changed, 76 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..17fbe89 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +*.o +*.out diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..cb82c9a --- /dev/null +++ b/Makefile @@ -0,0 +1,26 @@ +CC = cc +TARGET = app + +SRC = main.c +OBJ = $(SRC:.c=.o) + +CFLAGS = -std=c99 +CFLAGS += -Os +CFLAGS += -Wall +CFLAGS += -I /usr/local/include + +LDFLAGS = -L /usr/local/lib +LDFLAGS += -lalleg -lalleg_unsharable + +all: app + +%.o: %.c + $(CC) $(CFLAGS) -c -o $@ $< + +app: $(OBJ) + $(CC) $(LDFLAGS) $(OBJ) -o $(TARGET).out + +.PHONY: clean + +clean: + rm *.o *.out diff --git a/README.txt b/README.txt new file mode 100644 index 0000000..b419f85 --- /dev/null +++ b/README.txt @@ -0,0 +1,3 @@ +README + + @@ -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() |
