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| youtube:cpp-intro-031 [2024/02/28 18:26] – 削除 - 外部編集 (不明な日付) 127.0.0.1 | youtube:cpp-intro-031 [2024/02/29 11:52] (現在) – freemikan | ||
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| + | ====== HelloSDL-window ====== | ||
| + | |||
| + | 作成日: 2023-07-21 (金) | ||
| + | |||
| + | [[https:// | ||
| + | |||
| + | {{: | ||
| + | |||
| + | ===== main.cpp ===== | ||
| + | |||
| + | <file cpp> | ||
| + | #include < | ||
| + | #include < | ||
| + | |||
| + | int main(int argc, char **argv) { | ||
| + | int const ScreenWidth = 400; | ||
| + | int const ScreenHeight = 400; | ||
| + | |||
| + | if (SDL_Init(SDL_INIT_VIDEO) < 0) { | ||
| + | std::cerr << " | ||
| + | std:: | ||
| + | } | ||
| + | | ||
| + | SDL_Window *window = SDL_CreateWindow( | ||
| + | " | ||
| + | SDL_WINDOWPOS_CENTERED, | ||
| + | SDL_WINDOWPOS_CENTERED, | ||
| + | ScreenWidth, | ||
| + | ScreenHeight, | ||
| + | 0); | ||
| + | if (window == nullptr) { | ||
| + | std::cerr << " | ||
| + | std:: | ||
| + | } | ||
| + | | ||
| + | SDL_Renderer *renderer = SDL_CreateRenderer(window, | ||
| + | if (renderer == nullptr) { | ||
| + | std::cerr << " | ||
| + | std:: | ||
| + | } | ||
| + | | ||
| + | bool running = true; | ||
| + | while (running) { | ||
| + | SDL_Event event; | ||
| + | while (SDL_PollEvent(& | ||
| + | if (event.type == SDL_QUIT) { | ||
| + | running = false; | ||
| + | } | ||
| + | } | ||
| + | | ||
| + | SDL_SetRenderDrawColor(renderer, | ||
| + | SDL_RenderClear(renderer); | ||
| + | | ||
| + | SDL_SetRenderDrawColor(renderer, | ||
| + | SDL_Rect rect{100, 150, 150, 100}; | ||
| + | SDL_RenderFillRect(renderer, | ||
| + | | ||
| + | SDL_RenderPresent(renderer); | ||
| + | | ||
| + | SDL_Delay(1); | ||
| + | } | ||
| + | | ||
| + | SDL_DestroyRenderer(renderer); | ||
| + | SDL_DestroyWindow(window); | ||
| + | |||
| + | return 0; | ||
| + | } | ||
| + | </ | ||
| + | |||
| + | ===== Makefile ===== | ||
| + | |||
| + | <file makefile> | ||
| + | SRCS = \ | ||
| + | main.cpp | ||
| + | OBJS = ${SRCS: | ||
| + | DEPS = ${SRCS: | ||
| + | EXECUTABLE = HelloSDL-window.exe | ||
| + | CXXFLAGS = -IC: | ||
| + | LDFLAGS = -LC: | ||
| + | LDLIBS = -lmingw32 -lSDL2main -lSDL2 | ||
| + | |||
| + | .PHONY: all | ||
| + | all: ${EXECUTABLE} | ||
| + | |||
| + | ${EXECUTABLE}: | ||
| + | ${CXX} -o $@ $^ ${LDFLAGS} ${LDLIBS} | ||
| + | |||
| + | %.o: %.cpp | ||
| + | ${CXX} -c -o $@ $< -MMD -MP ${CXXFLAGS} | ||
| + | |||
| + | .PHONY: clean | ||
| + | clean: | ||
| + | ${RM} ${EXECUTABLE} ${OBJS} ${DEPS} | ||
| + | |||
| + | -include ${DEPS} | ||
| + | </ | ||
| + | |||
| + | '' | ||
