synfig-studio/trunk/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 #endif
  39
  40 /* === U S I N G =========================================================== */
  41
  42 using namespace std;
  43 using namespace etl;
  44 using namespace synfig;
  45 using namespace synfigapp;
  46
  47 /* === M A C R O S ========================================================= */
  48
  49 /* === G L O B A L S ======================================================= */
  50
  51 class DeviceSettings : public Settings
  52 {
  53         InputDevice* input_device;
  54 public:
  55         DeviceSettings(InputDevice* input_device):
  56                 input_device(input_device) { }
  57
  58
  59         virtual bool get_value(const synfig::String& key, synfig::String& value)const
  60         {
  61                 if(key=="state")
  62                 {
  63                         value=input_device->get_state();
  64                         return true;
  65                 }
  66                 if(key=="bline_width")
  67                 {
  68                         value=strprintf("%s",input_device->get_bline_width().get_string().c_str());
  69                         return true;
  70                 }
  71                 if(key=="opacity")
  72                 {
  73                         value=strprintf("%f",(float)input_device->get_opacity());
  74                         return true;
  75                 }
  76                 if(key=="blend_method")
  77                 {
  78                         value=strprintf("%i",(int)input_device->get_blend_method());
  79                         return true;
  80                 }
  81                 if(key=="color")
  82                 {
  83                         Color c(input_device->get_foreground_color());
  84                         value=strprintf("%f %f %f %f",(float)c.get_r(),(float)c.get_g(),(float)c.get_b(),(float)c.get_a());
  85
  86                         return true;
  87                 }
  88
  89                 return Settings::get_value(key, value);
  90         }
  91
  92         virtual bool set_value(const synfig::String& key,const synfig::String& value)
  93         {
  94                 if(key=="state")
  95                 {
  96                         input_device->set_state(value);
  97                         return true;
  98                 }
  99                 if(key=="bline_width")
 100                 {
 101                         input_device->set_bline_width(synfig::Distance(value));
 102                         return true;
 103                 }
 104                 if(key=="opacity")
 105                 {
 106                         input_device->set_opacity(atof(value.c_str()));
 107                         return true;
 108                 }
 109                 if(key=="blend_method")
 110                 {
 111                         input_device->set_blend_method(Color::BlendMethod(atoi(value.c_str())));
 112                         return true;
 113                 }
 114                 if(key=="color")
 115                 {
 116                         float r=0,g=0,b=0,a=1;
 117                         if(!strscanf(value,"%f %f %f %f",&r,&g,&b,&a))
 118                                 return false;
 119                         input_device->set_foreground_color(synfig::Color(r,g,b,a));
 120                         return true;
 121                 }
 122
 123                 return Settings::set_value(key, value);
 124         }
 125
 126         virtual KeyList get_key_list()const
 127         {
 128                 KeyList ret(Settings::get_key_list());
 129                 ret.push_back("color");
 130                 ret.push_back("state");
 131                 ret.push_back("bline_width");
 132                 ret.push_back("blend_method");
 133                 ret.push_back("opacity");
 134                 return ret;
 135         }
 136 };
 137
 138 /* === P R O C E D U R E S ================================================= */
 139
 140 /* === M E T H O D S ======================================================= */
 141
 142 InputDevice::InputDevice(const synfig::String id_, Type type_):
 143         id_(id_),
 144         type_(type_),
 145         state_((type_==TYPE_PEN)?"sketch":"normal"),
 146         foreground_color_(Color::black()),
 147         background_color_(Color::white()),
 148         bline_width_(Distance(1,Distance::SYSTEM_POINTS)),
 149         opacity_(1.0f),
 150         blend_method_(Color::BLEND_COMPOSITE)
 151 {
 152         switch(type_)
 153         {
 154                 case TYPE_MOUSE:
 155                         state_="normal";
 156                         break;
 157
 158                 case TYPE_PEN:
 159                         state_="draw";
 160                         break;
 161
 162                 case TYPE_ERASER:
 163                         state_="normal";
 164                         break;
 165
 166                 case TYPE_CURSOR:
 167                         state_="normal";
 168                         break;
 169
 170                 default:
 171                         state_="normal";
 172                         break;
 173         }
 174
 175         device_settings=new DeviceSettings(this);
 176         Main::settings().add_domain(device_settings,"input_device."+id_);
 177 }
 178
 179 InputDevice::~InputDevice()
 180 {
 181         Main::settings().remove_domain("input_device."+id_);
 182         delete device_settings;
 183 }
 184
 185 Settings&
 186 InputDevice::settings()
 187 {
 188         return *device_settings;
 189 }
 190
 191 const Settings&
 192 InputDevice::settings()const
 193 {
 194         return *device_settings;
 195 }