GRRLIB/examples/ttf/source/main.c

/*===========================================
        TrueType Font demo
============================================*/
#include <grrlib.h>

#include <stdlib.h>
#include <wiiuse/wpad.h>

// Font
#include "FreeMonoBold_ttf.h"

int main(int argc, char **argv) {
    // Initialise the Graphics & Video subsystem
    GRRLIB_Init();

    // Initialise the Wii Remotes
    WPAD_Init();

    // Load the font from memory
    GRRLIB_ttfFont *myFont = GRRLIB_LoadTTF(FreeMonoBold_ttf, FreeMonoBold_ttf_size);
    // Create an empty texture to store a copy of the screen
    GRRLIB_texImg *CopiedImg = GRRLIB_CreateEmptyTexture(rmode->fbWidth, rmode->efbHeight);

    // Fill a table with characters
    u32 i, n = 0;
    wchar_t charTable[450];
    for(i=33; i<=126; i++) { // 0 to 93
        charTable[n++] = i;
    }
    for(i=161; i<=516; i++) { // 94 to 449
        charTable[n++] = i;
    }

    // Seed the random-number generator with current time so that
    // the numbers will be different every time we run.
    srand(time(NULL));

    wchar_t Letter[2] = L""; // A character + terminal NULL

    // To have a cool effect anti-aliasing is turned on
    GRRLIB_Settings.antialias = true;

    // Black background
    GRRLIB_SetBackgroundColour(0x00, 0x00, 0x00, 0xFF);

    // Loop forever
    while(1) {
        GRRLIB_DrawImg(0, 0, CopiedImg, 0, 1, 1, 0xFFFFFFFF);
        Letter[0] = charTable[rand() % 449];
        GRRLIB_PrintfTTFW(rand() % rmode->fbWidth - 50,
                         rand() % rmode->efbHeight - 50,
                         myFont,
                         Letter,
                         rand() % 180 + 20,
                         rand() % 0xFFFFFF);
        GRRLIB_Screen2Texture(0, 0, CopiedImg, false);

        GRRLIB_Render();  // Render the frame buffer to the TV

        WPAD_ScanPads();  // Scan the Wii Remotes

        if (WPAD_ButtonsDown(0) & WPAD_BUTTON_HOME) {
            break;
        }
        if (WPAD_ButtonsDown(0) & WPAD_BUTTON_A) {
            GRRLIB_Screen2Texture(0, 0, CopiedImg, false);
        }
        if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_1 && WPAD_ButtonsHeld(0) & WPAD_BUTTON_2) {
            WPAD_Rumble(0, true);  // Rumble on
            GRRLIB_ScrShot("sd:/grrlib_ttf.png"); // Needs to be after GRRLIB_Render()
            WPAD_Rumble(0, false); // Rumble off
        }
    }

    GRRLIB_FreeTexture(CopiedImg);
    GRRLIB_FreeTTF(myFont);
    GRRLIB_Exit(); // Be a good boy, clear the memory allocated by GRRLIB

    exit(0);  // Use exit() to exit a program, do not use 'return' from main()
}