pime/window.cpp at main · Hanuko33/pime · GitHub

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#include "window.h"
#include <SDL2/SDL.h>
#include <time.h>

SDL_Renderer *renderer;
SDL_Window *main_window;
int window_width;
int window_height;

void draw_rectangle(int x,int y,int w,int h, SDL_Color c0, SDL_Color c1, SDL_Color c2, SDL_Color c3)
{
    SDL_Vertex v[4];
    int i[6] = {
        0,
        1,
        2,
        0,
        3,
        2
    };
    v[0].position.x = x;
    v[0].position.y = y;

    v[1].position.x = x+w;
    v[1].position.y = y;

    v[2].position.x = x+w;
    v[2].position.y = y+h;

    v[3].position.x = x;
    v[3].position.y = y+h;

    v[0].color = c0;
    v[1].color = c1;
    v[2].color = c2;
    v[3].color = c3;

    v[0].tex_coord.x=0;
    v[1].tex_coord.x=0;
    v[2].tex_coord.x=0;
    v[3].tex_coord.x=0;

    v[0].tex_coord.y=0;
    v[1].tex_coord.y=0;
    v[2].tex_coord.y=0;
    v[3].tex_coord.y=0;

    SDL_RenderGeometry(renderer, NULL, v, 6, i, 6);
}

unsigned long get_time_usec()
{
    struct timespec t;

    clock_gettime(CLOCK_MONOTONIC_RAW, &t);
    return (t.tv_sec * 1000000 + t.tv_nsec / 1000);
}

int  init_window()
{
	Uint32 flags;
    flags = SDL_WINDOW_RESIZABLE|SDL_WINDOW_HIDDEN;
    //flags = SDL_WINDOW_HIDDEN;
    unsigned long t1 = get_time_usec();
    if (SDL_Init(SDL_INIT_AUDIO | SDL_INIT_VIDEO) < 0) { fprintf(stderr, "\nUnable to initialize SDL:  %s\n", SDL_GetError()); }

    unsigned long t2 = get_time_usec();
    printf("Time it took to initialize SDL2: %ldms\n", (t2 - t1)/1000);

    if (SDL_CreateWindowAndRenderer(0, 0, flags, &main_window, &renderer) < 0) {
        SDL_Log("SDL_CreateWindowAndRenderer() failed: %s\n", SDL_GetError());
        return 1;
	}
    SDL_SetWindowTitle(main_window, "pime");
    SDL_SetWindowPosition(main_window, 100,100);
    SDL_SetWindowSize(main_window, GAME_WINDOW+PANEL_WINDOW, GAME_WINDOW + STATUS_LINE);
    SDL_GetWindowSize(main_window, &window_width, &window_height);
    SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
	SDL_ShowWindow(main_window);

    int imgFlags = IMG_INIT_PNG;
    if (!(IMG_Init(imgFlags) & imgFlags))
    {
        printf("\nUnable to initialize sdl_image:  %s\n", IMG_GetError());
        return 1;
    }

    SDL_Surface* icon = IMG_Load("textures/pime.png");
    if (icon == NULL) {
        printf("\nUnable to load image %s! SDL_image Error: %s\n", "textures/pime.png", IMG_GetError());
        return 1;
    }
    SDL_SetWindowIcon(main_window, icon);
    SDL_FreeSurface(icon);


    TTF_Init();


    unsigned long t3 = get_time_usec();
    printf("Time it took to initialize SDL2 modules (img, window, renderer): %ldms\n ", (t3 - t1)/1000);

    return 0;
}

void clear_window()
{
     SDL_SetRenderDrawColor(renderer, 10, 10, 50, 255);
    SDL_RenderClear(renderer);
}

unsigned int color(int r, int g, int b, int a) {
	return (a << 24) | (b << 16) | (g << 8) | r;
}