synfig-studio/tags/stable/src/synfigapp/inputdevice.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file inputdevice.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **
  10 **      This package is free software; you can redistribute it and/or
  11 **      modify it under the terms of the GNU General Public License as
  12 **      published by the Free Software Foundation; either version 2 of
  13 **      the License, or (at your option) any later version.
  14 **
  15 **      This package is distributed in the hope that it will be useful,
  16 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18 **      General Public License for more details.
  19 **      \endlegal
  20 */
  21 /* ========================================================================= */
  22
  23 /* === H E A D E R S ======================================================= */
  24
  25 #ifdef USING_PCH
  26 #       include "pch.h"
  27 #else
  28 #ifdef HAVE_CONFIG_H
  29 #       include <config.h>
  30 #endif
  31
  32 #include "inputdevice.h"
  33 #include "settings.h"
  34 #include <cstdio>
  35 #include <ETL/stringf>
  36 #include "main.h"
  37
  38 #include "general.h"
  39
  40 #endif
  41
  42 /* === U S I N G =========================================================== */
  43
  44 using namespace std;
  45 using namespace etl;
  46 using namespace synfig;
  47 using namespace synfigapp;
  48
  49 /* === M A C R O S ========================================================= */
  50
  51 /* === G L O B A L S ======================================================= */
  52
  53 class DeviceSettings : public Settings
  54 {
  55         InputDevice* input_device;
  56 public:
  57         DeviceSettings(InputDevice* input_device):
  58                 input_device(input_device) { }
  59
  60
  61         virtual bool get_value(const synfig::String& key, synfig::String& value)const
  62         {
  63                 if(key=="state")
  64                 {
  65                         value=input_device->get_state();
  66                         return true;
  67                 }
  68                 if(key=="bline_width")
  69                 {
  70                         value=strprintf("%s",input_device->get_bline_width().get_string().c_str());
  71                         return true;
  72                 }
  73                 if(key=="opacity")
  74                 {
  75                         value=strprintf("%f",(float)input_device->get_opacity());
  76                         return true;
  77                 }
  78                 if(key=="blend_method")
  79                 {
  80                         value=strprintf("%i",(int)input_device->get_blend_method());
  81                         return true;
  82                 }
  83                 if(key=="color")
  84                 {
  85                         Color c(input_device->get_foreground_color());
  86                         value=strprintf("%f %f %f %f",(float)c.get_r(),(float)c.get_g(),(float)c.get_b(),(float)c.get_a());
  87
  88                         return true;
  89                 }
  90
  91                 return Settings::get_value(key, value);
  92         }
  93
  94         virtual bool set_value(const synfig::String& key,const synfig::String& value)
  95         {
  96                 if(key=="state")
  97                 {
  98                         input_device->set_state(value);
  99                         return true;
 100                 }
 101                 if(key=="bline_width")
 102                 {
 103                         input_device->set_bline_width(synfig::Distance(value));
 104                         return true;
 105                 }
 106                 if(key=="opacity")
 107                 {
 108                         input_device->set_opacity(atof(value.c_str()));
 109                         return true;
 110                 }
 111                 if(key=="blend_method")
 112                 {
 113                         input_device->set_blend_method(Color::BlendMethod(atoi(value.c_str())));
 114                         return true;
 115                 }
 116                 if(key=="color")
 117                 {
 118                         float r=0,g=0,b=0,a=1;
 119                         if(!strscanf(value,"%f %f %f %f",&r,&g,&b,&a))
 120                                 return false;
 121                         input_device->set_foreground_color(synfig::Color(r,g,b,a));
 122                         return true;
 123                 }
 124
 125                 return Settings::set_value(key, value);
 126         }
 127
 128         virtual KeyList get_key_list()const
 129         {
 130                 KeyList ret(Settings::get_key_list());
 131                 ret.push_back("color");
 132                 ret.push_back("state");
 133                 ret.push_back("bline_width");
 134                 ret.push_back("blend_method");
 135                 ret.push_back("opacity");
 136                 return ret;
 137         }
 138 };
 139
 140 /* === P R O C E D U R E S ================================================= */
 141
 142 /* === M E T H O D S ======================================================= */
 143
 144 InputDevice::InputDevice(const synfig::String id_, Type type_):
 145         id_(id_),
 146         type_(type_),
 147         state_((type_==TYPE_PEN)?"sketch":"normal"),
 148         foreground_color_(Color::black()),
 149         background_color_(Color::white()),
 150         bline_width_(Distance(1,Distance::SYSTEM_POINTS)),
 151         opacity_(1.0f),
 152         blend_method_(Color::BLEND_COMPOSITE)
 153 {
 154         switch(type_)
 155         {
 156                 case TYPE_MOUSE:
 157                         state_="normal";
 158                         break;
 159
 160                 case TYPE_PEN:
 161                         state_="draw";
 162                         break;
 163
 164                 case TYPE_ERASER:
 165                         state_="normal";
 166                         break;
 167
 168                 case TYPE_CURSOR:
 169                         state_="normal";
 170                         break;
 171
 172                 default:
 173                         state_="normal";
 174                         break;
 175         }
 176
 177         device_settings=new DeviceSettings(this);
 178         Main::settings().add_domain(device_settings,"input_device."+id_);
 179 }
 180
 181 InputDevice::~InputDevice()
 182 {
 183         Main::settings().remove_domain("input_device."+id_);
 184         delete device_settings;
 185 }
 186
 187 Settings&
 188 InputDevice::settings()
 189 {
 190         return *device_settings;
 191 }
 192
 193 const Settings&
 194 InputDevice::settings()const
 195 {
 196         return *device_settings;
 197 }