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don't create the printer window until we need it

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This commit is contained in:
Jorj Bauer 2017-02-26 11:07:56 -05:00
parent 39fdffd9c4
commit 349120a419
2 changed files with 12 additions and 14 deletions
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25
sdl/sdl-printer.cpp
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@ -17,19 +17,8 @@ SDLPrinter::SDLPrinter()
memset((void *)_hackyBitmap, 0, sizeof(_hackyBitmap)); memset((void *)_hackyBitmap, 0, sizeof(_hackyBitmap));
window = SDL_CreateWindow(WINDOWNAME, window = NULL;
SDL_WINDOWPOS_UNDEFINED, renderer = NULL;
SDL_WINDOWPOS_UNDEFINED,
WIDTH, HEIGHT,
SDL_WINDOW_SHOWN);
// SDL_RENDERER_SOFTWARE because, at least on my Mac, this has some
// serious issues with hardware accelerated drawing (flashing and
// crashing).
renderer = SDL_CreateRenderer(window, -1, 0);
SDL_SetRenderDrawColor(renderer, 0, 0, 255, 255);
SDL_RenderClear(renderer); // clear it to the selected color
SDL_RenderPresent(renderer); // perform the render
} }
SDLPrinter::~SDLPrinter() SDLPrinter::~SDLPrinter()
@ -41,6 +30,16 @@ void SDLPrinter::update()
if (isDirty) { if (isDirty) {
isDirty = false; // set early in case there's a race isDirty = false; // set early in case there's a race
if (!window) {
window = SDL_CreateWindow(WINDOWNAME,
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
WIDTH, HEIGHT,
SDL_WINDOW_SHOWN);
renderer = SDL_CreateRenderer(window, -1, 0);
}
for (int y=0; y<HEIGHT; y++) { for (int y=0; y<HEIGHT; y++) {
for (int x=0; x<WIDTH; x++) { for (int x=0; x<WIDTH; x++) {
if (_hackyBitmap[y*WIDTH+x]) { if (_hackyBitmap[y*WIDTH+x]) {

1
sdl/sdl-printer.h
View File

@ -35,7 +35,6 @@ class SDLPrinter : public PhysicalPrinter {
SDL_Window *window; SDL_Window *window;
SDL_Renderer *renderer; SDL_Renderer *renderer;
bool _hackyBitmap[WIDTH * HEIGHT]; bool _hackyBitmap[WIDTH * HEIGHT];
}; };
#endif #endif