#ifdef __cplusplus #include <cstdlib> #else #include <stdlib.h> #endif #include <SDL/SDL.h> #include <SDL/SDL_image.h> #include <SDL/SDL_mixer.h> #include <SDL/SDL_rotozoom.h> #include <SDL/SDL_rotozoom.h> // SDL_gfx Rotozoom #include <SDL/SDL_gfxPrimitives.h>// SDL_gfx Primitives #include <SDL/SDL_framerate.h> #include <SDL/SDL_ttf.h> Mix_Chunk *sound; TTF_Font *font = NULL; //The color of the font int main ( int argc, char** argv ) { // initialize SDL video if ( SDL_Init( SDL_INIT_EVERYTHING ) < 0 ) { printf( "Unable to init SDL: %s\n", SDL_GetError() ); return 1; } // make sure SDL cleans up before exit atexit(SDL_Quit); if( TTF_Init() == -1 ) { return false; } // create a new window SDL_Surface* screen = SDL_SetVideoMode(640, 480, 16, SDL_HWSURFACE|SDL_DOUBLEBUF); if ( !screen ) { printf("Unable to set 640x480 video: %s\n", SDL_GetError()); return 1; } if (Mix_OpenAudio(44100, AUDIO_S16SYS, 2, 4096) < 0) exit(0); Mix_AllocateChannels(16); sound=Mix_LoadWAV("ballout.wav"); font = TTF_OpenFont( "arial.ttf", 28 ); SDL_Surface *imgTxt ; // Store image of the text for blit SDL_Rect txtRect ; // Store (x,y) of text for blit SDL_Color fColor ; // Font color (R,G,B) //If there was a problem in loading the background //If there was an error in loading the font if( font == NULL ) { return false; } // load an image Mix_PlayChannel(-1,sound,0); SDL_Color textColor = { 255, 255, 255 }; SDL_Surface* bmp =IMG_Load("cb.png"); if (!bmp) { printf("Unable to load bitmap: %s\n", SDL_GetError()); return 1; } // centre the bitmap on screen SDL_Rect dstrect; dstrect.x = (screen->w - bmp->w) / 2; dstrect.y = (screen->h - bmp->h) / 2; // program main loop bool done = false; while (!done) { // message processing loop SDL_Event event; while (SDL_PollEvent(&event)) { // check for messages switch (event.type) { // exit if the window is closed case SDL_QUIT: done = true; break; // check for keypresses case SDL_KEYDOWN: { // exit if ESCAPE is pressed if (event.key.keysym.sym == SDLK_ESCAPE) done = true; break; } } // end switch } // end of message processing // DRAWING STARTS HERE // clear screen SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0)); // draw bitmap SDL_BlitSurface(bmp, 0, screen, &dstrect); // DRAWING ENDS HERE Uint32 g_Color; g_Color=SDL_MapRGB(screen->format,255,255,255); boxColor(screen, 100, 0, 300, 300,g_Color); // finally, update the screen txtRect.x = 100; txtRect.y = 200; fColor.r = fColor.g = fColor.b = 245; // Set font to white color imgTxt = TTF_RenderText_Solid( font , "SDL_ttf Test : Load & Display Font" , fColor ); SDL_Flip(screen); } // end main loop // free loaded bitmap SDL_FreeSurface(bmp); Mix_FreeChunk(sound); // all is well ;) printf("SDL_gfx: %s\n", rotozoomSurface ? "ok!" : "WTF?"); printf("Exited cleanly\n"); return 0; } [koodicpp]
Tällä koodilla olen testaillut mutta ihmettelen miksei ttf fontit tulostu?
Et ole komentanut ohjelmaa piirtämään pintaa (jossa teksti olisi) mihinkään. Eli ennen kuin kuva flipataan, pitäisi sen saada tietää mihin moinen pinta tulee.
kiitos
Aihe on jo aika vanha, joten et voi enää vastata siihen.