--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "bcdisplayinfo.h"
+#include "gammawindow.h"
+#include "language.h"
+
+
+
+
+
+
+
+
+
+
+GammaWindow::GammaWindow(GammaMain *client)
+ : PluginClientWindow(client,
+ 400,
+ 380,
+ 400,
+ 380,
+ 0)
+{
+ this->client = client;
+}
+
+void GammaWindow::create_objects()
+{
+ int x = 10, y = 10;
+ add_subwindow(histogram = new BC_SubWindow(x,
+ y,
+ get_w() - x * 2,
+ get_h() - 180,
+ WHITE));
+ y += histogram->get_h() + 10;
+
+ BC_Title *title;
+ add_tool(title = new BC_Title(x, y, _("Maximum:")));
+ x += title->get_w() + 10;
+ add_tool(max_slider = new MaxSlider(client,
+ this,
+ x,
+ y,
+ 190));
+ x += max_slider->get_w() + 10;
+ add_tool(max_text = new MaxText(client,
+ this,
+ x,
+ y,
+ 100));
+ y += max_text->get_h() + 10;
+ x = 10;
+ add_tool(automatic = new GammaAuto(client, x, y));
+
+ y += automatic->get_h() + 10;
+ add_tool(title = new BC_Title(x, y, _("Gamma:")));
+ x += title->get_w() + 10;
+ add_tool(gamma_slider = new GammaSlider(client,
+ this,
+ x,
+ y,
+ 190));
+ x += gamma_slider->get_w() + 10;
+ add_tool(gamma_text = new GammaText(client,
+ this,
+ x,
+ y,
+ 100));
+ y += gamma_text->get_h() + 10;
+ x = 10;
+
+ add_tool(plot = new GammaPlot(client, x, y));
+ y += plot->get_h() + 10;
+
+ add_tool(new GammaColorPicker(client, this, x, y));
+
+ show_window();
+ flush();
+}
+
+void GammaWindow::update()
+{
+ max_slider->update(client->config.max);
+ max_text->update(client->config.max);
+ gamma_slider->update(client->config.gamma);
+ gamma_text->update(client->config.gamma);
+ automatic->update(client->config.automatic);
+ plot->update(client->config.plot);
+ update_histogram();
+}
+
+void GammaWindow::update_histogram()
+{
+ histogram->clear_box(0, 0, histogram->get_w(), histogram->get_h());
+ if(client->engine)
+ {
+ int max = 0;
+ histogram->set_color(MEGREY);
+ for(int i = 0; i < histogram->get_w(); i++)
+ {
+ int x1 = (int64_t)i * HISTOGRAM_SIZE / histogram->get_w();
+ int x2 = (int64_t)(i + 1) * HISTOGRAM_SIZE / histogram->get_w();
+ if(x2 == x1) x2++;
+ int accum = 0;
+ for(int x = x1; x < x2; x++)
+ {
+ accum += client->engine->accum[x];
+ }
+ if(accum > max) max = accum;
+ }
+ for(int i = 0; i < histogram->get_w(); i++)
+ {
+ int x1 = (int64_t)i * HISTOGRAM_SIZE / histogram->get_w();
+ int x2 = (int64_t)(i + 1) * HISTOGRAM_SIZE / histogram->get_w();
+ if(x2 == x1) x2++;
+ int accum = 0;
+ for(int x = x1; x < x2; x++)
+ {
+ accum += client->engine->accum[x];
+ }
+
+ int h = (int)(log(accum) / log(max) * histogram->get_h());
+ histogram->draw_line(i,
+ histogram->get_h(),
+ i,
+ histogram->get_h() - h);
+ }
+ }
+
+ histogram->set_color(GREEN);
+ int y1 = histogram->get_h();
+ float max = client->config.max * client->config.gamma;
+ float scale = 1.0 / max;
+ float gamma = client->config.gamma - 1.0;
+ for(int i = 1; i < histogram->get_w(); i++)
+ {
+ float in = (float)i / histogram->get_w();
+ float out = in * (scale * pow(in * 2 / max, gamma));
+ int y2 = (int)(histogram->get_h() - out * histogram->get_h());
+ histogram->draw_line(i - 1, y1, i, y2);
+ y1 = y2;
+ }
+ histogram->flash();
+}
+
+
+
+
+MaxSlider::MaxSlider(GammaMain *client,
+ GammaWindow *gui,
+ int x,
+ int y,
+ int w)
+ : BC_FSlider(x,
+ y,
+ 0,
+ w,
+ w,
+ 0.0,
+ 1.0,
+ client->config.max)
+{
+ this->client = client;
+ this->gui = gui;
+ set_precision(0.01);
+}
+
+int MaxSlider::handle_event()
+{
+ client->config.max = get_value();
+ gui->max_text->update(client->config.max);
+ gui->update_histogram();
+ client->send_configure_change();
+ return 1;
+}
+
+MaxText::MaxText(GammaMain *client,
+ GammaWindow *gui,
+ int x,
+ int y,
+ int w)
+ : BC_TextBox(x, y, w, 1, client->config.max)
+{
+ this->client = client;
+ this->gui = gui;
+}
+
+int MaxText::handle_event()
+{
+ client->config.max = atof(get_text());
+ gui->max_slider->update(client->config.max);
+ client->send_configure_change();
+ return 1;
+}
+
+GammaSlider::GammaSlider(GammaMain *client,
+ GammaWindow *gui,
+ int x,
+ int y,
+ int w)
+ : BC_FSlider(x,
+ y,
+ 0,
+ w,
+ w,
+ 0.0,
+ 1.0,
+ client->config.gamma)
+{
+ this->client = client;
+ this->gui = gui;
+ set_precision(0.01);
+}
+
+int GammaSlider::handle_event()
+{
+ client->config.gamma = get_value();
+ gui->gamma_text->update(client->config.gamma);
+ gui->update_histogram();
+ client->send_configure_change();
+ return 1;
+}
+
+GammaText::GammaText(GammaMain *client,
+ GammaWindow *gui,
+ int x,
+ int y,
+ int w)
+ : BC_TextBox(x, y, w, 1, client->config.gamma)
+{
+ this->client = client;
+ this->gui = gui;
+}
+
+int GammaText::handle_event()
+{
+ client->config.gamma = atof(get_text());
+ gui->gamma_slider->update(client->config.gamma);
+ client->send_configure_change();
+ return 1;
+}
+
+GammaAuto::GammaAuto(GammaMain *client, int x, int y)
+ : BC_CheckBox(x,
+ y,
+ client->config.automatic,
+ _("Automatic"))
+{
+ this->plugin = client;
+}
+
+int GammaAuto::handle_event()
+{
+ plugin->config.automatic = get_value();
+ plugin->send_configure_change();
+ return 1;
+}
+
+
+GammaPlot::GammaPlot(GammaMain *plugin, int x, int y)
+ : BC_CheckBox(x, y, plugin->config.plot, _("Plot histogram"))
+{
+ this->plugin = plugin;
+}
+int GammaPlot::handle_event()
+{
+ plugin->config.plot = get_value();
+ plugin->send_configure_change();
+ return 1;
+}
+
+
+GammaColorPicker::GammaColorPicker(GammaMain *plugin,
+ GammaWindow *gui,
+ int x,
+ int y)
+ : BC_GenericButton(x, y, _("Use Color Picker"))
+{
+ this->plugin = plugin;
+ this->gui = gui;
+}
+
+int GammaColorPicker::handle_event()
+{
+// Get colorpicker value
+ float red = plugin->get_red();
+ float green = plugin->get_green();
+ float blue = plugin->get_blue();
+// Get maximum value
+ plugin->config.max = MAX(red, green);
+ plugin->config.max = MAX(plugin->config.max, blue);
+ gui->max_text->update(plugin->config.max);
+ gui->max_slider->update(plugin->config.max);
+ plugin->send_configure_change();
+ return 1;
+}
+
+
projects / goodguy / history.git / blobdiff