diff options
Diffstat (limited to 'frontends/calculator/CEdev/examples/gfx_hello_world/src')
| -rw-r--r-- | frontends/calculator/CEdev/examples/gfx_hello_world/src/main.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/frontends/calculator/CEdev/examples/gfx_hello_world/src/main.c b/frontends/calculator/CEdev/examples/gfx_hello_world/src/main.c new file mode 100644 index 0000000..852120e --- /dev/null +++ b/frontends/calculator/CEdev/examples/gfx_hello_world/src/main.c @@ -0,0 +1,46 @@ +#include <stdbool.h> +#include <stddef.h> +#include <stdint.h> +#include <tice.h> + +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <graphx.h> + +#define FONT_HEIGHT 8 + +/* Function prototypes */ +void print_string_centered(const char *str); + +void main(void) { + const char *msg = "Hello World!"; + + /* Seed the random numbers */ + srand(rtc_Time()); + + /* Initialize the 8bpp graphics */ + gfx_Begin(); + + /* Fill the screen black */ + gfx_FillScreen(gfx_black); + + /* Set the random text color */ + gfx_SetTextFGColor(randInt(1, 255)); + + /* Print the message on the screen */ + print_string_centered(msg); + + /* Wait for a key to be pressed */ + while (!os_GetCSC()); + + /* Close the graphics */ + gfx_End(); +} + +/* Prints a screen centered string */ +void print_string_centered(const char *str) { + gfx_PrintStringXY(str, (LCD_WIDTH - gfx_GetStringWidth(str)) / 2, (LCD_HEIGHT - FONT_HEIGHT) / 2); +} |