+/* === S I N F G =========================================================== */
+/*! \file widget_curves.cpp
+** \brief Template File
+**
+** $Id: widget_curves.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
+**
+** \legal
+** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+**
+** This software and associated documentation
+** are CONFIDENTIAL and PROPRIETARY property of
+** the above-mentioned copyright holder.
+**
+** You may not copy, print, publish, or in any
+** other way distribute this software without
+** a prior written agreement with
+** the copyright holder.
+** \endlegal
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+# include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "widget_curves.h"
+#include <cmath>
+#include "app.h"
+#include <gtkmm/drawingarea.h>
+#include <map>
+#include <vector>
+#include <ETL/misc>
+#include <sigc++/object.h>
+
+#endif
+
+/* === U S I N G =========================================================== */
+
+using namespace std;
+using namespace etl;
+using namespace sinfg;
+using namespace studio;
+
+/* === M A C R O S ========================================================= */
+
+/* === G L O B A L S ======================================================= */
+
+/* === P R O C E D U R E S ================================================= */
+
+/*
+void
+studio::render_color_to_window(const Glib::RefPtr<Gdk::Drawable>& window,const Gdk::Rectangle& ca,const sinfg::Color &color)
+{
+ const int height(ca.get_height());
+ const int width(ca.get_width());
+
+ const int square_size(height/2);
+
+ Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(window));
+
+ if(color.get_alpha()!=1.0)
+ {
+ // In this case we need to render the alpha squares
+
+ const Color bg1(Color::blend(color,Color(0.75, 0.75, 0.75),1.0).clamped());
+ const Color bg2(Color::blend(color,Color(0.5, 0.5, 0.5),1.0).clamped());
+
+ Gdk::Color gdk_c1(colorconv_sinfg2gdk(bg1));
+ Gdk::Color gdk_c2(colorconv_sinfg2gdk(bg2));
+
+ bool toggle(false);
+ for(int i=0;i<width;i+=square_size)
+ {
+ const int square_width(min(square_size,width-i));
+
+ if(toggle)
+ {
+ gc->set_rgb_fg_color(gdk_c1);
+ window->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y(), square_width, square_size);
+
+ gc->set_rgb_fg_color(gdk_c2);
+ window->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y()+square_size, square_width, square_size);
+ toggle=false;
+ }
+ else
+ {
+ gc->set_rgb_fg_color(gdk_c2);
+ window->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y(), square_width, square_size);
+
+ gc->set_rgb_fg_color(gdk_c1);
+ window->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y()+square_size, square_width, square_size);
+ toggle=true;
+ }
+ }
+ }
+ else
+ {
+ // In this case we have a solid color to use
+ Gdk::Color gdk_c1(colorconv_sinfg2gdk(color));
+
+ gc->set_rgb_fg_color(gdk_c1);
+ window->draw_rectangle(gc, true, ca.get_x(), ca.get_y(), width-1, height-1);
+ }
+ gc->set_rgb_fg_color(Gdk::Color("#ffffff"));
+ window->draw_rectangle(gc, false, ca.get_x()+1, ca.get_y()+1, width-3, height-3);
+ gc->set_rgb_fg_color(Gdk::Color("#000000"));
+ window->draw_rectangle(gc, false, ca.get_x(), ca.get_y(), width-1, height-1);
+}
+*/
+
+/* === C L A S S E S ======================================================= */
+
+
+
+struct studio::Widget_Curves::Channel
+{
+ sinfg::String name;
+ Gdk::Color color;
+ std::map<sinfg::Real,sinfg::Real> values;
+};
+
+struct studio::Widget_Curves::CurveStruct : sigc::trackable
+{
+ sinfgapp::ValueDesc value_desc;
+ std::vector<Channel> channels;
+
+ CurveStruct(const sinfgapp::ValueDesc& x):
+ value_desc(x)
+ {
+ switch(value_desc.get_value_type())
+ {
+ case ValueBase::TYPE_REAL:
+ channels.push_back(Channel());
+ channels.back().name="real";
+ channels.back().color=Gdk::Color("#007f7f");
+ break;
+ case ValueBase::TYPE_TIME:
+ channels.push_back(Channel());
+ channels.back().name="time";
+ channels.back().color=Gdk::Color("#7f7f00");
+ break;
+ case ValueBase::TYPE_INTEGER:
+ channels.push_back(Channel());
+ channels.back().name="int";
+ channels.back().color=Gdk::Color("#7f0000");
+ break;
+ case ValueBase::TYPE_BOOL:
+ channels.push_back(Channel());
+ channels.back().name="bool";
+ channels.back().color=Gdk::Color("#ff7f00");
+ break;
+ case ValueBase::TYPE_ANGLE:
+ channels.push_back(Channel());
+ channels.back().name="theta";
+ channels.back().color=Gdk::Color("#004f4f");
+ break;
+ case ValueBase::TYPE_COLOR:
+ channels.push_back(Channel());
+ channels.back().name="red";
+ channels.back().color=Gdk::Color("#7f0000");
+ channels.push_back(Channel());
+ channels.back().name="green";
+ channels.back().color=Gdk::Color("#007f00");
+ channels.push_back(Channel());
+ channels.back().name="blue";
+ channels.back().color=Gdk::Color("#00007f");
+ channels.push_back(Channel());
+ channels.back().name="alpha";
+ channels.back().color=Gdk::Color("#000000");
+ break;
+ case ValueBase::TYPE_VECTOR:
+ channels.push_back(Channel());
+ channels.back().name="x";
+ channels.back().color=Gdk::Color("#7f007f");
+ channels.push_back(Channel());
+ channels.back().name="y";
+ channels.back().color=Gdk::Color("#007f7f");
+ break;
+ case ValueBase::TYPE_BLINEPOINT:
+ channels.push_back(Channel());
+ channels.back().name="v.x";
+ channels.back().color=Gdk::Color("#ff7f00");
+ channels.push_back(Channel());
+ channels.back().name="v.y";
+ channels.back().color=Gdk::Color("#7f3f00");
+
+ channels.push_back(Channel());
+ channels.back().name="width";
+ channels.back().color=Gdk::Color("#000000");
+
+ channels.push_back(Channel());
+ channels.back().name="origin";
+ channels.back().color=Gdk::Color("#ffffff");
+
+ channels.push_back(Channel());
+ channels.back().name="tsplit";
+ channels.back().color=Gdk::Color("#ff00ff");
+
+ channels.push_back(Channel());
+ channels.back().name="t1.x";
+ channels.back().color=Gdk::Color("#ff0000");
+ channels.push_back(Channel());
+ channels.back().name="t1.y";
+ channels.back().color=Gdk::Color("#7f0000");
+
+ channels.push_back(Channel());
+ channels.back().name="t2.x";
+ channels.back().color=Gdk::Color("#ffff00");
+ channels.push_back(Channel());
+ channels.back().name="t2.y";
+ channels.back().color=Gdk::Color("#7f7f00");
+ break;
+ default:
+ throw sinfg::Exception::BadType("Bad type for curves");
+ }
+ }
+
+ void clear_all_values()
+ {
+ DEBUGPOINT();
+ std::vector<Channel>::iterator iter;
+ for(iter=channels.begin();iter!=channels.end();++iter)
+ iter->values.clear();
+ }
+
+ sinfg::Real get_value(int chan, sinfg::Real time, sinfg::Real tolerance)
+ {
+ std::map<sinfg::Real,sinfg::Real>::iterator iter;
+
+ // First check to see if we have a value
+ // that is "close enough" to the time
+ // we are looking for
+ iter=channels[chan].values.lower_bound(time);
+ if(iter!=channels[chan].values.end() && iter->first-time<=tolerance)
+ return -iter->second;
+
+ // Since that didn't work, we now need
+ // to go ahead and figure out what the
+ // actual value is at that time.
+ ValueBase value(value_desc.get_value(time));
+ switch(value.get_type())
+ {
+ case ValueBase::TYPE_REAL:
+ channels[0].values[time]=value.get(Real());
+ break;
+ case ValueBase::TYPE_TIME:
+ channels[0].values[time]=value.get(Time());
+ break;
+ case ValueBase::TYPE_INTEGER:
+ channels[0].values[time]=value.get(int());
+ break;
+ case ValueBase::TYPE_BOOL:
+ channels[0].values[time]=value.get(bool());
+ break;
+ case ValueBase::TYPE_ANGLE:
+ channels[0].values[time]=Angle::rad(value.get(Angle())).get();
+ break;
+ case ValueBase::TYPE_COLOR:
+ channels[0].values[time]=value.get(Color()).get_r();
+ channels[1].values[time]=value.get(Color()).get_g();
+ channels[2].values[time]=value.get(Color()).get_b();
+ channels[3].values[time]=value.get(Color()).get_a();
+ break;
+ case ValueBase::TYPE_VECTOR:
+ channels[0].values[time]=value.get(Vector())[0];
+ channels[1].values[time]=value.get(Vector())[1];
+ break;
+ case ValueBase::TYPE_BLINEPOINT:
+ channels[0].values[time]=value.get(BLinePoint()).get_vertex()[0];
+ channels[1].values[time]=value.get(BLinePoint()).get_vertex()[1];
+ channels[2].values[time]=value.get(BLinePoint()).get_width();
+ channels[3].values[time]=value.get(BLinePoint()).get_origin();
+ channels[4].values[time]=value.get(BLinePoint()).get_split_tangent_flag();
+ channels[5].values[time]=value.get(BLinePoint()).get_tangent1()[0];
+ channels[6].values[time]=value.get(BLinePoint()).get_tangent1()[1];
+ channels[7].values[time]=value.get(BLinePoint()).get_tangent2()[0];
+ channels[8].values[time]=value.get(BLinePoint()).get_tangent2()[1];
+ break;
+ default:
+ return 0;
+ }
+
+ return -channels[chan].values[time];
+ }
+};
+
+/* === M E T H O D S ======================================================= */
+
+Widget_Curves::Widget_Curves():
+ range_adjustment_(new Gtk::Adjustment(-1,-2,2,0.1,0.1,2))
+{
+ set_size_request(64,64);
+
+ range_adjustment_->signal_changed().connect(
+ sigc::mem_fun(
+ *this,
+ &Widget_Curves::queue_draw
+ )
+ );
+ range_adjustment_->signal_value_changed().connect(
+ sigc::mem_fun(
+ *this,
+ &Widget_Curves::queue_draw
+ )
+ );
+ //set_vadjustment(*range_adjustment_);
+
+ signal_expose_event().connect(sigc::mem_fun(*this, &studio::Widget_Curves::redraw));
+ add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
+
+}
+
+Widget_Curves::~Widget_Curves()
+{
+}
+
+void
+Widget_Curves::set_time_adjustment(Gtk::Adjustment&x)
+{
+ time_adjustment_=&x;
+ time_adjustment_->signal_changed().connect(
+ sigc::mem_fun(
+ *this,
+ &Widget_Curves::queue_draw
+ )
+ );
+ time_adjustment_->signal_value_changed().connect(
+ sigc::mem_fun(
+ *this,
+ &Widget_Curves::queue_draw
+ )
+ );
+ //set_hadjustment(*time_adjustment_);
+}
+
+void
+Widget_Curves::clear()
+{
+ curve_list_.clear();
+}
+
+void
+Widget_Curves::refresh()
+{
+ std::list<CurveStruct>::iterator curve_iter;
+ for(curve_iter=curve_list_.begin();curve_iter!=curve_list_.end();++curve_iter)
+ {
+ curve_iter->clear_all_values();
+ }
+ queue_draw();
+}
+
+void
+Widget_Curves::set_value_descs(std::list<sinfgapp::ValueDesc> value_descs)
+{
+ curve_list_.clear();
+
+ std::list<sinfgapp::ValueDesc>::iterator iter;
+ for(iter=value_descs.begin();iter!=value_descs.end();++iter)
+ {
+ try {
+ curve_list_.push_back(*iter);
+ if(iter->is_value_node())
+ {
+ DEBUGPOINT();
+ iter->get_value_node()->signal_changed().connect(
+ sigc::mem_fun(
+ *this,
+ &studio::Widget_Curves::refresh
+ )
+ );
+ }
+ if(iter->parent_is_value_node())
+ {
+ DEBUGPOINT();
+ iter->get_parent_value_node()->signal_changed().connect(
+ sigc::mem_fun(
+ *this,
+ &studio::Widget_Curves::refresh
+ )
+ );
+ }
+ if(iter->parent_is_layer_param())
+ {
+ DEBUGPOINT();
+ iter->get_layer()->signal_changed().connect(
+ sigc::mem_fun(
+ *this,
+ &studio::Widget_Curves::refresh
+ )
+ );
+ }
+ }catch(sinfg::Exception::BadType)
+ {
+ continue;
+ }
+ }
+ queue_draw();
+}
+
+bool
+Widget_Curves::on_event(GdkEvent *event)
+{
+ switch(event->type)
+ {
+ case GDK_SCROLL:
+ switch(event->scroll.direction)
+ {
+ case GDK_SCROLL_UP:
+ range_adjustment_->set_page_size(range_adjustment_->get_page_size()/1.25);
+ range_adjustment_->changed();
+ break;
+ case GDK_SCROLL_DOWN:
+ range_adjustment_->set_page_size(range_adjustment_->get_page_size()*1.25);
+ range_adjustment_->changed();
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ return Gtk::DrawingArea::on_event(event);
+ break;
+ }
+
+ return true;
+
+/* switch(event->type)
+ {
+ case GDK_BUTTON_PRESS:
+ if(event->button.button==1)
+ {
+ signal_activate_();
+ return true;
+ }
+ if(event->button.button==3)
+ {
+ signal_secondary_();
+ return true;
+ }
+ break;
+
+ default:
+ break;
+ }
+ return false;
+*/
+}
+
+bool
+Widget_Curves::redraw(GdkEventExpose*bleh)
+{
+ const int h(get_height());
+ const int w(get_width());
+ get_window()->clear();
+
+ if(!time_adjustment_ || !range_adjustment_ || !h || !w)
+ return false;
+
+ Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
+
+ const Real t_begin(time_adjustment_->get_lower());
+ const Real t_end(time_adjustment_->get_upper());
+ const Real dt((t_end-t_begin)/w);
+
+ const Real r_bottom(range_adjustment_->get_value());
+ const Real r_top(r_bottom+range_adjustment_->get_page_size());
+ const Real dr((r_top-r_bottom)/h);
+ Real r_max(-100000000);
+ Real r_min(100000000);
+
+ std::list<CurveStruct>::iterator curve_iter;
+
+ vector<Gdk::Point> points[10];
+
+ gc->set_function(Gdk::COPY);
+ gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
+
+ // Draw zero mark
+ gc->set_rgb_fg_color(Gdk::Color("#4f4f4f"));
+ get_window()->draw_rectangle(gc, false, 0, round_to_int((0-r_bottom)/dr), w, 0);
+
+ // Draw current time
+ gc->set_rgb_fg_color(Gdk::Color("#00007f"));
+ get_window()->draw_rectangle(gc, false, round_to_int((time_adjustment_->get_value()-t_begin)/dt), 0, 0, h);
+
+ for(curve_iter=curve_list_.begin();curve_iter!=curve_list_.end();++curve_iter)
+ {
+ Real t;
+ int i;
+ int channels(curve_iter->channels.size());
+ for(i=0;i<channels;i++)
+ points[i].clear();
+
+ for(i=0,t=t_begin;i<w;i++,t+=dt)
+ {
+ for(int chan=0;chan<channels;chan++)
+ {
+ Real x(curve_iter->get_value(chan,t,dt));
+ r_max=max(r_max,x);
+ r_min=min(r_min,x);
+ points[chan].push_back(
+ Gdk::Point(
+ i,
+ round_to_int(
+ (
+ x-r_bottom
+ )/dr
+ )
+ )
+ );
+ }
+ }
+
+ for(int chan=0;chan<channels;chan++)
+ {
+ gc->set_rgb_fg_color(curve_iter->channels[chan].color);
+
+ // Draw the curve
+ get_window()->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points[chan]));
+
+ Glib::RefPtr<Pango::Layout> layout(Pango::Layout::create(get_pango_context()));
+
+ layout->set_text(curve_iter->channels[chan].name);
+ get_window()->draw_layout(gc, 1, points[chan][0].get_y()+1, layout);
+ }
+ }
+
+ if(!curve_list_.empty())
+ {
+ range_adjustment_->set_upper(r_max+range_adjustment_->get_page_size()/2);
+ range_adjustment_->set_lower(r_min-range_adjustment_->get_page_size()/2);
+ }
+ get_window()->get_update_area();
+
+ return true;
+}