part of synopsis and 2 lesson

2018-12-04 00:29:47 +03:00
parent 3ac8a6653f
commit e31df382c7
4 changed files with 75 additions and 1 deletions
--- a/testSDL/Lesson2/main.cpp
+++ b/testSDL/Lesson2/main.cpp
@@ -0,0 +1,53 @@
+#include <SDL2/SDL.h>
+#include <iostream>
+using namespace std;
+
+const int screen_width ;
+const int scren_height ;
+SDL_Window* win = NULL;
+SDL_Renderer* renderer = NULL;
+
+SDL_Texture* LoadImage(char* path)
+{
+    SDL_Surface* loadedImage = NULL;
+    SDL_Texture* texture = NULL;
+    loadedImage = SDL_LoadBMP(path);
+    if (loadedImage != 0)
+    {
+        texture = SDL_CreateTextureFromSurface(renderer, loadedImage);
+        SDL_FreeSurface(loadedImage);
+    }
+    else 
+        cout << SDL_GetError << endl;
+    return texture;
+}
+
+int main()
+{
+    if (SDL_Init(SDL_INIT_EVERYTHING) != 0 )
+                                    {
+                                        cout << "SDL_Init error\n";
+                                        return 1;
+                                    }
+    SDL_Window* window = SDL_CreateWindow("Hello World!", 100, 100, 640, 480, SDL_WINDOW_SHOWN);
+                                    if (window == nullptr)
+                                    {
+                                        cout << "Window create error\n";
+                                        return 1;
+                                    }
+    SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED || SDL_RENDERER_PRESENTVSYNC);
+                                    if (renderer == nullptr)
+                                    {
+                                        cout << "Renderer error\n";
+                                        return 1;
+                                    }
+    SDL_RenderClear(renderer);
+    SDL_RenderCopy(renderer, LoadImage("./hello.bmp"), NULL, NULL);
+    SDL_RenderPresent(renderer);
+    SDL_Delay(3000);
+    SDL_DestroyRenderer(renderer);
+    SDL_DestroyTexture(LoadImage("./hello.bmp"));
+    SDL_DestroyWindow(window);
+    SDL_Quit;
+    return 0;
+}