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         {30,30,30,30},
  37         0,
  38         30,
  39         NULL,
  40         1000.0,
  41         0
  42 };
  43
  44 /* command width setter */
  45 int wm_width_setter(char* value)
  46 {
  47         int v = strtol(value,NULL,10);
  48         if (v > 0) {
  49                 wm_data.size.width = v;
  50                 wm_resize();
  51         }
  52         return 0;
  53 }
  54
  55 /* command height setter */
  56 int wm_height_setter(char* value)
  57 {
  58         int v = strtol(value,NULL,10);
  59         if (v > 0) {
  60                 wm_data.size.height = v;
  61                 wm_resize();
  62         }
  63         return 0;
  64 }
  65
  66 /* command frame cap setter */
  67 int wm_cap_setter(char* value)
  68 {
  69         int v = strtol(value,NULL,10);
  70         if (v > 0)
  71                 wm_data.frame_cap = v;
  72         return 0;
  73 }
  74
  75 /* command fullscreen setter */
  76 int wm_fullscreen_setter(char* value)
  77 {
  78         int v = !!strtol(value,NULL,10);
  79         wm_toggle_fullscreen(v);
  80         return 0;
  81 }
  82
  83 /* screen capture - take a screenshot, save to file */
  84 void wm_capture(char* file)
  85 {
  86         char* fmt;
  87         image_t *p;
  88
  89         p = image_load_fromscreen(0,0,wm_data.size.width,wm_data.size.height,0);
  90         if (!p) {
  91                 vlprintf(CN_ERROR, "Could not grab screen data");
  92                 return;
  93         }
  94
  95         fmt = config_get("wm.capture_format");
  96         if (!fmt || !strcmp(fmt,"png")) {
  97                 if (!file)
  98                         file = "screenshot.png";
  99                 image_save_png(p,file);
 100         }else if (!strcmp(fmt,"tga")) {
 101                 if (!file)
 102                         file = "screenshot.tga";
 103                 image_save_tga(p,file);
 104         }else if (!strcmp(fmt,"bmp")) {
 105                 if (!file)
 106                         file = "screenshot.bmp";
 107                 image_save_bmp(p,file);
 108         }else{
 109                 vlprintf(CN_WARN, "Unsupported capture format '%s'",fmt);
 110         }
 111
 112         free(p->pixels);
 113         free(p);
 114 }