cinelerra-5.1/plugins/brightness/brightnesswindow.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   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 2 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,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * 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, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "bcdisplayinfo.h"
  23 #include "brightnesswindow.h"
  24 #include "language.h"
  25 #include "theme.h"
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35 BrightnessWindow::BrightnessWindow(BrightnessMain *client)
  36  : PluginClientWindow(client, 370, 155, 370, 155, 0)
  37 {
  38         this->client = client;
  39 }
  40
  41 BrightnessWindow::~BrightnessWindow()
  42 {
  43 }
  44
  45 void BrightnessWindow::create_objects()
  46 {
  47         int x = 10, y = 10, x1 = x + 90;
  48         int x2 = 0; int clrBtn_w = 50;
  49
  50         add_tool(new BC_Title(x, y, _("Brightness/Contrast")));
  51         y += 25;
  52         add_tool(new BC_Title(x, y,_("Brightness:")));
  53         add_tool(brightness = new BrightnessSlider(client,
  54                 &(client->config.brightness),
  55                 x1,
  56                 y,
  57                 1));
  58         x2 = x1 + brightness->get_w() + 10;
  59         add_subwindow(brightnessClr = new BrightnessSliderClr(client, this, x2, y, clrBtn_w, 1));
  60         y += 25;
  61         add_tool(new BC_Title(x, y, _("Contrast:")));
  62         add_tool(contrast = new BrightnessSlider(client,
  63                 &(client->config.contrast),
  64                 x1,
  65                 y,
  66                 0));
  67
  68         add_subwindow(contrastClr = new BrightnessSliderClr(client, this, x2, y, clrBtn_w, 0));
  69         y += 30;
  70         add_tool(luma = new BrightnessLuma(client,
  71                 x,
  72                 y));
  73
  74         y += 35;
  75         add_subwindow(reset = new BrightnessReset(client, this, x, y));
  76
  77         show_window();
  78         flush();
  79 }
  80
  81 // for Reset button
  82 void BrightnessWindow::update_gui(int clear)
  83 {
  84         switch(clear) {
  85                 case RESET_CONTRAST : contrast->update(client->config.contrast);
  86                         break;
  87                 case RESET_BRIGHTNESS: brightness->update(client->config.brightness);
  88                         break;
  89                 case RESET_ALL :
  90                 default:
  91                         brightness->update(client->config.brightness);
  92                         contrast->update(client->config.contrast);
  93                         luma->update(client->config.luma);
  94                         break;
  95         }
  96 }
  97
  98 BrightnessSlider::BrightnessSlider(BrightnessMain *client,
  99         float *output,
 100         int x,
 101         int y,
 102         int is_brightness)
 103  : BC_FSlider(x,
 104         y,
 105         0,
 106         200,
 107         200,
 108         -100,
 109         100,
 110         (int)*output)
 111 {
 112         this->client = client;
 113         this->output = output;
 114         this->is_brightness = is_brightness;
 115 }
 116 BrightnessSlider::~BrightnessSlider()
 117 {
 118 }
 119 int BrightnessSlider::handle_event()
 120 {
 121         *output = get_value();
 122         client->send_configure_change();
 123         return 1;
 124 }
 125
 126 char* BrightnessSlider::get_caption()
 127 {
 128         float fraction;
 129         if(is_brightness)
 130         {
 131                 fraction = *output / 100;
 132         }
 133         else
 134         {
 135                 fraction = (*output < 0) ?
 136                         (*output + 100) / 100 :
 137                         (*output + 25) / 25;
 138         }
 139         sprintf(string, "%0.4f", fraction);
 140         return string;
 141 }
 142
 143
 144 BrightnessLuma::BrightnessLuma(BrightnessMain *client,
 145         int x,
 146         int y)
 147  : BC_CheckBox(x,
 148         y,
 149         client->config.luma,
 150         _("Boost luminance only"))
 151 {
 152         this->client = client;
 153 }
 154 BrightnessLuma::~BrightnessLuma()
 155 {
 156 }
 157 int BrightnessLuma::handle_event()
 158 {
 159         client->config.luma = get_value();
 160         client->send_configure_change();
 161         return 1;
 162 }
 163
 164
 165 BrightnessReset::BrightnessReset(BrightnessMain *client, BrightnessWindow *window, int x, int y)
 166  : BC_GenericButton(x, y, _("Reset"))
 167 {
 168         this->client = client;
 169         this->window = window;
 170 }
 171 BrightnessReset::~BrightnessReset()
 172 {
 173 }
 174 int BrightnessReset::handle_event()
 175 {
 176         client->config.reset(RESET_ALL); // clear=0 ==> reset all
 177         window->update_gui(RESET_ALL);
 178         client->send_configure_change();
 179         return 1;
 180 }
 181
 182 BrightnessSliderClr::BrightnessSliderClr(BrightnessMain *client, BrightnessWindow *window, int x, int y, int w, int is_brightness)
 183  : BC_Button(x, y, w, client->get_theme()->get_image_set("reset_button"))
 184 {
 185         this->client = client;
 186         this->window = window;
 187         this->is_brightness = is_brightness;
 188 }
 189 BrightnessSliderClr::~BrightnessSliderClr()
 190 {
 191 }
 192 int BrightnessSliderClr::handle_event()
 193 {
 194         // is_brightness==0 means Contrast slider   ==> "clear=1"
 195         // is_brightness==1 means Brightness slider ==> "clear=2"
 196         client->config.reset(is_brightness + 1);
 197         window->update_gui(is_brightness + 1);
 198         client->send_configure_change();
 199         return 1;
 200 }
 201