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@ -141,16 +141,17 @@ void saveScreenshot()
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for (int i = 0; i < height; i++) {
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row_pointers[i] = (png_bytep)png_malloc(png_ptr, width*4);
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}
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constexpr size_t zoom = MONITOR_ZOOM;
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const Uint32 format = SDL_PIXELFORMAT_RGBA8888;
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SDL_Surface *surface = SDL_CreateRGBSurfaceWithFormat(0, width, height, 32, format);
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SDL_Surface *surface = SDL_CreateRGBSurfaceWithFormat(0, width*zoom, height*zoom, 32, format);
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SDL_RenderReadPixels(renderer, NULL, format, surface->pixels, surface->pitch);
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png_bytep pixels = (png_bytep)surface->pixels;
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for (int hi = 0; hi < height; hi++) {
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for (int wi = 0; wi < width; wi++) {
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int c = wi * 4;
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row_pointers.at(hi)[wi*4+0] = pixels[hi*surface->pitch + wi*4 + 3]; // red
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row_pointers.at(hi)[wi*4+1] = pixels[hi*surface->pitch + wi*4 + 2]; // greeen
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row_pointers.at(hi)[wi*4+2] = pixels[hi*surface->pitch + wi*4 + 1]; // blue
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row_pointers.at(hi)[wi*4+0] = pixels[hi*surface->pitch*zoom + wi*4*zoom + 3]; // red
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row_pointers.at(hi)[wi*4+1] = pixels[hi*surface->pitch*zoom + wi*4*zoom + 2]; // greeen
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row_pointers.at(hi)[wi*4+2] = pixels[hi*surface->pitch*zoom + wi*4*zoom + 1]; // blue
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row_pointers.at(hi)[wi*4+3] = 255; // alpha
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}
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}
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@ -223,17 +224,18 @@ public:
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{
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last_frame = std::chrono::system_clock::now();
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auto renderer = monitor.renderer;
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constexpr size_t zoom = MONITOR_ZOOM;
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const Uint32 format = SDL_PIXELFORMAT_RGBA8888;
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SDL_Surface *surface = SDL_CreateRGBSurfaceWithFormat(0, sdl_width, sdl_height, 32, format);
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SDL_Surface *surface = SDL_CreateRGBSurfaceWithFormat(0, sdl_width*zoom, sdl_height*zoom, 32, format);
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SDL_RenderReadPixels(renderer, NULL, format, surface->pixels, surface->pitch);
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uint8_t *pixels = (uint8_t*) surface->pixels;
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std::array<uint8_t, 240*240*4> image;
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for (int hi = 0; hi < sdl_height; hi++) {
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for (int wi = 0; wi < sdl_width; wi++) {
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auto red = pixels[hi*surface->pitch + wi*4 + 3]; // red
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auto green = pixels[hi*surface->pitch + wi*4 + 2]; // green
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auto blue = pixels[hi*surface->pitch + wi*4 + 1]; // blue
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auto red = pixels[hi*surface->pitch*zoom + wi*4*zoom + 3]; // red
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auto green = pixels[hi*surface->pitch*zoom + wi*4*zoom + 2]; // green
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auto blue = pixels[hi*surface->pitch*zoom + wi*4*zoom + 1]; // blue
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image[(hi * sdl_width + wi)*4 + 0] = red;
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image[(hi * sdl_width + wi)*4 + 1] = green;
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image[(hi * sdl_width + wi)*4 + 2] = blue;
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