byte *Render_text_SFont(const char *str, int font_number, int *width, int *height)
{
SFont_Font *font;
SDL_Surface * TexteColore;
SDL_Surface * Texte8Bit;
SDL_Surface *Surface_fonte;
byte * new_brush;
// Chargement de la fonte
Surface_fonte=IMG_Load(Font_name(font_number));
if (!Surface_fonte)
{
DEBUG("Font loading failed",0);
return NULL;
}
font=SFont_InitFont(Surface_fonte);
if (!font)
{
DEBUG("Font init failed",1);
return NULL;
}
// Calcul des dimensions
*height=SFont_TextHeight(font);
*width=SFont_TextWidth(font, str);
// Allocation d'une surface SDL
TexteColore=SDL_CreateRGBSurface(SDL_SWSURFACE, *width, *height, 24, 0, 0, 0, 0);
// Rendu du texte
SFont_Write(TexteColore, font, 0, 0, str);
if (!TexteColore)
{
DEBUG("Rendering failed",2);
SFont_FreeFont(font);
return NULL;
}
Texte8Bit=SDL_DisplayFormat(TexteColore);
SDL_FreeSurface(TexteColore);
new_brush=Surface_to_bytefield(Texte8Bit, NULL);
if (!new_brush)
{
DEBUG("Converting failed",3);
SDL_FreeSurface(TexteColore);
SDL_FreeSurface(Texte8Bit);
SFont_FreeFont(font);
return NULL;
}
SDL_FreeSurface(Texte8Bit);
SFont_FreeFont(font);
return new_brush;
}
int main(int argc, char *argv[])
{
SDL_Surface* screen =NULL;
bool done = false;
SDL_Event evt;
int FPS = 0;
int pastFPS = 0;
int past = 0;
int currentTime = 0;
static char buffer[20] = {0};
SDL_Surface *font_bitmap_surface=NULL;
SFont_Font* Font;
/* Initialize SDL */
if (SDL_Init(SDL_INIT_VIDEO) < 0)
{
exit (1);
}
SDL_ShowCursor(SDL_DISABLE); /* There is no mouse */
/* Initialize the screen / window */
/*screen = SDL_SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_DEPTH, SDL_SWSURFACE|SDL_FULLSCREEN); SDL_FULLSCREEN not needed on Dingoo, useful on desktop */
screen = SDL_SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_DEPTH, SDL_SWSURFACE);
if (screen == NULL)
{
SDL_Quit();
exit (2);
}
SDL_WM_SetCaption ("SDL MultiMedia Application", NULL); /* Not needed on Dingoo */
font_bitmap_surface = get_default_data_font();
Font = SFont_InitFont(font_bitmap_surface);
if(!Font) {
fprintf(stderr, "An error occured while setting up font.");
exit(1);
}
while(!done)
{
if( SDL_PollEvent(&evt) )
{
switch (evt.type)
{
case SDL_KEYDOWN:
/* quit on any key press */
done = true;
break;
case SDL_QUIT:
done = true;
break;
}
}
currentTime = SDL_GetTicks();
#define LOCK_FPS_TO_60FPS
#undef LOCK_FPS_TO_60FPS
#ifdef LOCK_FPS_TO_60FPS
/*
** Alternative is to sleep....
** however sleep may not have the expected granularity (e.g. under native)
** Check if 1/60th of a second has elapsed
** 1 (sec) / 60 == 1000 (millisec) / 60 == 16.66666666666666.... ~16
*/
if ( currentTime - past >= 16 )
#endif /* LOCK_FPS_TO_60FPS */
{
past = SDL_GetTicks(); /* this should be done before redrawing screen */
#define ALWAYS_FLIP
#ifdef ALWAYS_FLIP
SFont_Write(screen, Font, 0, 20, "Hello World");
SDL_UpdateRect(screen, 0, 0, 0, 0);
#endif /* ALWAYS_FLIP */
FPS++;
}
/*
** Every 1 second re-calculate FPS display string
*/
if ( currentTime - pastFPS >= 1000 )
{
sprintf( buffer, "%d FPS", FPS );
SDL_FillRect( SDL_GetVideoSurface(), NULL, 0 ); /* rather brute force wipe out area first... */
SFont_Write (screen, Font, 0,0, buffer);
SDL_UpdateRect(screen, 0, 0, 0, 0); /* SDL_UpdateRect() is a way to only mark part of the screen as updated for performance */
#ifndef ALWAYS_FLIP
SDL_Flip( screen );
#endif /* ALWAYS_FLIP */
FPS = 0;
pastFPS = currentTime;
}
}
SFont_FreeFont(Font);
SDL_Quit();
return 0;
}
void FontTool::close() {
SFont_FreeFont(FontTool::sfont);
}
