ext_sdl.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <signal.h>
   4 #include <SDL.h>
   5 #include <SDL_ttf.h>
   6 #include "bl_lib.h"
   7 #include "version.h"
   8 #include "eiffel.h"
   9
  10 static SDL_Surface *screen;
  11
  12 void ext_fill_rect(int x, int y, int w, int h, int c)
  13 {
  14     SDL_Rect rect;
  15
  16     rect.x = x;
  17     rect.y = y;
  18     rect.w = w;
  19     rect.h = h;
  20     SDL_FillRect(screen, &rect, c);
  21 }
  22
  23 void video_init()
  24 {
  25
  26     //screen = SDL_SetVideoMode(640, 480, 0, SDL_HWSURFACE | SDL_DOUBLEBUF | SDL_FULLSCREEN);
  27     screen = SDL_SetVideoMode(640, 480, 0, SDL_HWSURFACE | SDL_DOUBLEBUF);
  28     //screen = SDL_SetVideoMode(640, 480, 0, SDL_SWSURFACE | SDL_FULLSCREEN);
  29     if (!screen) {
  30         fprintf(stderr, "Can't set video mode: %s\n", SDL_GetError());
  31         exit(1);
  32     }
  33     //SDL_ShowCursor(SDL_DISABLE);
  34 }
  35
  36 void ext_init()
  37 {
  38     int status;
  39
  40     //printf("SDL_Init()...\n");
  41     //status = SDL_Init(SDL_INIT_AUDIO|SDL_INIT_VIDEO|SDL_INIT_TIMER);
  42     status = SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER);
  43     if (status < 0) {
  44         fprintf(stderr, "Can't init SDL: %s\n", SDL_GetError());
  45         exit(1);
  46     }
  47     atexit(SDL_Quit);
  48     //printf("TTF_Init()...\n");
  49     status = TTF_Init();
  50     if (status) {
  51             fprintf(stderr, "init_glue: TTF_Init failed: %s\n", SDL_GetError());
  52             exit(-1);
  53     }
  54     atexit(TTF_Quit);
  55
  56     video_init();
  57
  58     signal(SIGINT, exit);
  59     signal(SIGTERM, exit);
  60
  61     SDL_WM_SetCaption(NETWALK_VERSION, NETWALK_VERSION);
  62
  63     SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
  64 }
  65
  66 void ext_update_screen()
  67 {
  68     SDL_Flip(screen);
  69 }
  70
  71 EIF_OBJ ext_poll_event(EIF_OBJ em)
  72 {
  73     SDL_Event event;
  74
  75     while (SDL_PollEvent(&event)) {
  76         if (event.type == SDL_KEYDOWN) {
  77             return EVENTMAKER_make_keydown(em, event.key.keysym.sym, SDL_GetModState());
  78         } else if (event.type == SDL_MOUSEBUTTONDOWN) {
  79             return EVENTMAKER_make_mbdown(em, event.button.button, SDL_GetModState(), event.button.x, event.button.y);
  80         } else if (event.type == SDL_QUIT) {
  81             return EVENTMAKER_make_quit(em);
  82         }
  83     }
  84     return NULL;
  85 }
  86
  87 int is_kmod(int a, int b)
  88 {
  89     return (a & b) != 0;
  90 }
  91
  92 SDL_Surface *ext_render_text(char *s, TTF_Font *font, SDL_Color *c)
  93 {
  94     SDL_Surface *tmp;
  95     SDL_Surface *res;
  96
  97     tmp = TTF_RenderText_Solid(font, s, *c);
  98     res = SDL_DisplayFormat(tmp);
  99     SDL_FreeSurface(tmp);
 100     return res;
 101 }
 102
 103 void *ext_make_color(int r, int g, int b)
 104 {
 105     SDL_Color *res;
 106
 107     res = (SDL_Color *) bl_malloc(sizeof(SDL_Color));
 108     res->r = r;
 109     res->g = g;
 110     res->b = b;
 111
 112     return res;
 113 }
 114
 115 int ext_convert_color(int r, int g, int b)
 116 {
 117     return SDL_MapRGB(screen->format, r, g, b);
 118 }
 119
 120 void *free_img(void *image)
 121 {
 122     SDL_FreeSurface((SDL_Surface *) image);
 123     return NULL;
 124 }
 125
 126 void blit_img(SDL_Surface *image, int x, int y)
 127 {
 128     SDL_Rect rect;
 129
 130     rect.x = x;
 131     rect.y = y;
 132     SDL_BlitSurface(image, NULL, screen, &rect);
 133 }
 134
 135 SDL_Surface *ext_display_format_alpha(SDL_Surface *img)
 136 {
 137     SDL_Surface *res;
 138
 139     //assert(img);
 140     res = SDL_DisplayFormatAlpha(img);
 141     SDL_FreeSurface(img);
 142     return res;
 143 }
 144
 145 SDL_Surface *ext_display_format(SDL_Surface *img)
 146 {
 147     SDL_Surface *res;
 148
 149     //assert(img);
 150     res = SDL_DisplayFormat(img);
 151     SDL_FreeSurface(img);
 152     return res;
 153 }
 154
 155 TTF_Font *ext_ttf_openfont(char *font, int size)
 156 {
 157     return TTF_OpenFont(font, size);
 158 }
 159
 160 void *free_ttf_font(TTF_Font *font)
 161 {
 162     TTF_CloseFont(font);
 163     return NULL;
 164 }
 165
 166 static int textsizewidth;
 167 static int textsizeheight;
 168 int ext_get_tsw()
 169 {
 170     return textsizewidth;
 171 }
 172 int ext_get_tsh()
 173 {
 174     return textsizeheight;
 175 }
 176
 177 void ext_get_text_size(TTF_Font *font, const char* text)
 178 {
 179     TTF_SizeText(font, text, &textsizewidth, &textsizeheight);
 180 }