src/graphics/wm.c

   1 /************************************************************************
   2 * wm.c
   3 * voxelands - 3d voxel world sandbox game
   4 * Copyright (C) Lisa 'darkrose' Milne 2016 <lisa@ltmnet.com>
   5 *
   6 * This program is free software: you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation, either version 3 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful, but
  12 * WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  14 * See the GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program.  If not, see <http://www.gnu.org/licenses/>
  18 ************************************************************************/
  19
  20 #include "common.h"
  21 #define _WM_EXPOSE_ALL
  22 #include "wm.h"
  23 #include "graphics.h"
  24
  25 #include <string.h>
  26
  27 wm_t wm_data = {
  28         {
  29                 600,
  30                 1024,
  31                 0,
  32                 0
  33         },
  34         0,
  35         30,
  36         30,
  37         NULL,
  38         1000.0,
  39         0
  40 };
  41
  42 /* command width setter */
  43 int wm_width_setter(char* value)
  44 {
  45         int v = strtol(value,NULL,10);
  46         if (v > 0) {
  47                 wm_data.size.width = v;
  48                 wm_resize();
  49         }
  50         return 0;
  51 }
  52
  53 /* command height setter */
  54 int wm_height_setter(char* value)
  55 {
  56         int v = strtol(value,NULL,10);
  57         if (v > 0) {
  58                 wm_data.size.height = v;
  59                 wm_resize();
  60         }
  61         return 0;
  62 }
  63
  64 /* command frame cap setter */
  65 int wm_cap_setter(char* value)
  66 {
  67         int v = strtol(value,NULL,10);
  68         if (v > 0)
  69                 wm_data.frame_cap = v;
  70         return 0;
  71 }
  72
  73 /* command fullscreen setter */
  74 int wm_fullscreen_setter(char* value)
  75 {
  76         int v = !!strtol(value,NULL,10);
  77         wm_toggle_fullscreen(v);
  78         return 0;
  79 }
  80
  81 /* screen capture - take a screenshot, save to file */
  82 void wm_capture(char* file)
  83 {
  84         char* fmt;
  85         image_t *p;
  86
  87         p = image_load_fromscreen(0,0,wm_data.size.width,wm_data.size.height,0);
  88         if (!p) {
  89                 vlprintf(CN_ERROR, "Could not grab screen data");
  90                 return;
  91         }
  92
  93         fmt = config_get("wm.capture_format");
  94         if (!fmt || !strcmp(fmt,"png")) {
  95                 if (!file)
  96                         file = "screenshot.png";
  97                 image_save_png(p,file);
  98         }else if (!strcmp(fmt,"tga")) {
  99                 if (!file)
 100                         file = "screenshot.tga";
 101                 image_save_tga(p,file);
 102         }else if (!strcmp(fmt,"bmp")) {
 103                 if (!file)
 104                         file = "screenshot.bmp";
 105                 image_save_bmp(p,file);
 106         }else{
 107                 vlprintf(CN_WARN, "Unsupported capture format '%s'",fmt);
 108         }
 109
 110         free(p->pixels);
 111         free(p);
 112 }