mirror of
https://github.com/GRRLIB/GRRLIB.git
synced 2024-12-23 18:59:19 +00:00
129 lines
3.9 KiB
C
129 lines
3.9 KiB
C
/*===========================================
|
|
TrueType Font demo
|
|
============================================*/
|
|
#include <grrlib.h>
|
|
|
|
#include <stdlib.h>
|
|
#include <wiiuse/wpad.h>
|
|
#include <ogc/lwp_watchdog.h> // Needed for gettime and ticks_to_millisecs
|
|
|
|
// Font
|
|
#include "FreeMonoBold_ttf.h"
|
|
|
|
// Prototype
|
|
static u8 CalculateFrameRate();
|
|
static bool ScreenShot();
|
|
|
|
int main(int argc, char **argv) {
|
|
char FPS[255] = "";
|
|
bool ShowFPS = false;
|
|
|
|
// 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) << 8) | 0xFF);
|
|
GRRLIB_Screen2Texture(0, 0, CopiedImg, false);
|
|
|
|
if(ShowFPS) {
|
|
sprintf(FPS, "Current FPS: %d", CalculateFrameRate());
|
|
GRRLIB_PrintfTTF(500+1, 25+1, myFont, FPS, 12, 0x000000FF);
|
|
GRRLIB_PrintfTTF(500, 25, myFont, FPS, 12, 0xFFFFFFFF);
|
|
}
|
|
|
|
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_ButtonsDown(0) & WPAD_BUTTON_B) {
|
|
ShowFPS = !ShowFPS;
|
|
}
|
|
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_1 && WPAD_ButtonsHeld(0) & WPAD_BUTTON_2) {
|
|
WPAD_Rumble(0, true); // Rumble on
|
|
ScreenShot(); // Needs to be after GRRLIB_Render()
|
|
WPAD_Rumble(0, false); // Rumble off
|
|
}
|
|
|
|
GRRLIB_Render(); // Render the frame buffer to the TV
|
|
}
|
|
|
|
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()
|
|
}
|
|
|
|
/**
|
|
* This function calculates the number of frames we render each second.
|
|
* @return The number of frames per second.
|
|
*/
|
|
static u8 CalculateFrameRate() {
|
|
static u8 frameCount = 0;
|
|
static u32 lastTime;
|
|
static u8 FPS = 0;
|
|
u32 currentTime = ticks_to_millisecs(gettime());
|
|
|
|
frameCount++;
|
|
if(currentTime - lastTime > 1000) {
|
|
lastTime = currentTime;
|
|
FPS = frameCount;
|
|
frameCount = 0;
|
|
}
|
|
return FPS;
|
|
}
|
|
|
|
/**
|
|
* Create a PNG screenshot on the root of the SD card with a timestamp.
|
|
* @return bool true=everything worked, false=problems occurred.
|
|
*/
|
|
static bool ScreenShot() {
|
|
char path[255];
|
|
time_t now = time(NULL);
|
|
struct tm *ti = localtime(&now);
|
|
sprintf(path, "sd:/grrlib_ttf_%d%02d%02d%02d%02d%02d.png",
|
|
ti->tm_year + 1900, ti->tm_mon + 1, ti->tm_mday, ti->tm_hour, ti->tm_min, ti->tm_sec);
|
|
return GRRLIB_ScrShot(path);
|
|
}
|