diff options
Diffstat (limited to 'sdl.cpp')
| -rw-r--r-- | sdl.cpp | 27 |
1 files changed, 21 insertions, 6 deletions
@@ -19,7 +19,8 @@ struct State { SDL_Surface *mandelsurf = nullptr; - size_t current_resolution = 4; + static const size_t init_render_resolution = 4; + size_t current_resolution = init_render_resolution; State() { if (SDL_Init(SDL_INIT_VIDEO) < 0) { @@ -47,15 +48,21 @@ struct State { if (SDL_MUSTLOCK(winsurf)) SDL_UnlockSurface(winsurf); } - void update_title() { + string build_title() { stringstream ss; ss << "Mandel " << setprecision(17) << " x=" << par.cx << " y=" << par.cy << " w=" << par.imgw - << " i=" << par.maxit; - SDL_SetWindowTitle(window, ss.str().data()); + << " i=" << par.maxit + << " par1=" << par.par1 + << " par2=" << par.par2; + return ss.str(); + } + + void update_title() { + SDL_SetWindowTitle(window, build_title().data()); } SDL_Event wait_event() const { @@ -120,6 +127,11 @@ struct State { if (par.maxit > 256) { par.maxit -= 128; return action::redraw; } break; + case SDLK_w: par.par1++; return action::redraw; + case SDLK_s: par.par1 = max(1, par.par1) - 1; return action::redraw; + case SDLK_e: par.par2++; return action::redraw; + case SDLK_d: par.par2 = max(1, par.par2) - 1; return action::redraw; + case SDLK_q: return action::quit; } @@ -162,10 +174,10 @@ int main() { switch (action) { case State::action::quit: - return 0; + goto exit_app; case State::action::redraw: - state.current_resolution = 4; + state.current_resolution = State::init_render_resolution; SDL_GetWindowSize(state.window, &state.w, &state.h); cerr << "w=" << state.w << " h=" << state.h << endl; @@ -186,5 +198,8 @@ int main() { break; } } + +exit_app: + cout << state.build_title() << endl; } #endif |