+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file widget_gradient.cpp
-** \brief Template File
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** Copyright (c) 2007 Chris Moore
-**
-** This package 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 package 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.
-** \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_gradient.h"
-#include "app.h"
-#include <gtkmm/menu.h>
-#include <synfig/exception.h>
-#include <ETL/misc>
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-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_gradient_to_window(const Glib::RefPtr<Gdk::Drawable>& window,const Gdk::Rectangle& ca,const synfig::Gradient &gradient)
-{
- int height = ca.get_height();
- int width = ca.get_width()-4;
-
- float sample_width(1.0f/(float)width);
- Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(window));
- const Color bg1(0.25, 0.25, 0.25);
- const Color bg2(0.5, 0.5, 0.5);
- Gdk::Color gdk_c;
- int i;
- for(i=0;i<width;i++)
- {
- const Color c(gradient(float(i)/float(width),sample_width));
- const Color c1(Color::blend(c,bg1,1.0).clamped());
- const Color c2(Color::blend(c,bg2,1.0).clamped());
- gushort r1(256*App::gamma.r_F32_to_U8(c1.get_r()));
- gushort g1(256*App::gamma.g_F32_to_U8(c1.get_g()));
- gushort b1(256*App::gamma.b_F32_to_U8(c1.get_b()));
- gushort r2(256*App::gamma.r_F32_to_U8(c2.get_r()));
- gushort g2(256*App::gamma.g_F32_to_U8(c2.get_g()));
- gushort b2(256*App::gamma.b_F32_to_U8(c2.get_b()));
-
- if((i*2/height)&1)
- {
- gdk_c.set_rgb(r1,g1,b1);
- gc->set_rgb_fg_color(gdk_c);
- window->draw_rectangle(gc, true, ca.get_x()+i+2, ca.get_y(), 1, height/2);
-
- gdk_c.set_rgb(r2,g2,b2);
- gc->set_rgb_fg_color(gdk_c);
- window->draw_rectangle(gc, true, ca.get_x()+i+2, ca.get_y()+height/2, 1, height/2);
- }
- else
- {
- gdk_c.set_rgb(r2,g2,b2);
- gc->set_rgb_fg_color(gdk_c);
- window->draw_rectangle(gc, true, ca.get_x()+i+2, ca.get_y(), 1, height/2);
-
- gdk_c.set_rgb(r1,g1,b1);
- gc->set_rgb_fg_color(gdk_c);
- window->draw_rectangle(gc, true, ca.get_x()+i+2, ca.get_y()+height/2, 1, height/2);
- }
- }
- gc->set_rgb_fg_color(Gdk::Color("#ffffff"));
- window->draw_rectangle(gc, false, ca.get_x()+1, ca.get_y()+1, ca.get_width()-3, height-3);
- gc->set_rgb_fg_color(Gdk::Color("#000000"));
- window->draw_rectangle(gc, false, ca.get_x(), ca.get_y(), ca.get_width()-1, height-1);
-}
-
-/* === M E T H O D S ======================================================= */
-
-Widget_Gradient::Widget_Gradient():
- editable_(false)
-{
- set_size_request(-1,64);
- signal_expose_event().connect(sigc::mem_fun(*this, &studio::Widget_Gradient::redraw));
- add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
- add_events(Gdk::BUTTON1_MOTION_MASK);
-
-}
-
-Widget_Gradient::~Widget_Gradient()
-{
-}
-
-#define CONTROL_HEIGHT 16
-bool
-Widget_Gradient::redraw(GdkEventExpose */*bleh*/)
-{
- const int h(get_height());
- const int w(get_width());
-
- Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
- Gdk::Rectangle area(0,0,w,h);
- if(!editable_)
- {
- render_gradient_to_window(get_window(),area,gradient_);
- return true;
- }
-
- render_gradient_to_window(get_window(),Gdk::Rectangle(0,0,w,h-CONTROL_HEIGHT),gradient_);
-
- gc->set_rgb_fg_color(Gdk::Color("#7f7f7f"));
- get_window()->draw_rectangle(gc, false, 0, h-CONTROL_HEIGHT, w, CONTROL_HEIGHT);
-
- Gradient::iterator iter,selected_iter;
- bool show_selected(false);
- for(iter=gradient_.begin();iter!=gradient_.end();iter++)
- {
- if(*iter!=selected_cpoint)
- get_style()->paint_arrow(
- get_window(),
- (*iter==selected_cpoint)?Gtk::STATE_SELECTED:Gtk::STATE_ACTIVE,
- Gtk::SHADOW_OUT,
- area,
- *this,
- " ",
- Gtk::ARROW_UP,
- 1,
- int(iter->pos*w)-CONTROL_HEIGHT/2+1,
- h-CONTROL_HEIGHT,
- CONTROL_HEIGHT,
- CONTROL_HEIGHT
- );
- else
- {
- selected_iter=iter;
- show_selected=true;
- }
- }
-
- // we do this so that we can be sure that
- // the selected marker is shown on top
- if(show_selected)
- {
- get_style()->paint_arrow(
- get_window(),
- Gtk::STATE_SELECTED,
- Gtk::SHADOW_OUT,
- area,
- *this,
- " ",
- Gtk::ARROW_UP,
- 1,
- round_to_int(selected_iter->pos*w)-CONTROL_HEIGHT/2+1,
- h-CONTROL_HEIGHT,
- CONTROL_HEIGHT,
- CONTROL_HEIGHT
- );
- }
-
- return true;
-}
-
-void
-Widget_Gradient::insert_cpoint(float x)
-{
- Gradient::CPoint new_cpoint;
- new_cpoint.pos=x;
- new_cpoint.color=gradient_(x);
- gradient_.push_back(new_cpoint);
- gradient_.sort();
- gradient_.sort();
- set_selected_cpoint(new_cpoint);
- queue_draw();
-}
-
-void
-Widget_Gradient::remove_cpoint(float x)
-{
- gradient_.erase(gradient_.proximity(x));
- signal_value_changed_();
- queue_draw();
-}
-
-void
-Widget_Gradient::popup_menu(float x)
-{
- Gtk::Menu* menu(manage(new Gtk::Menu()));
-
- menu->items().clear();
-
- menu->items().push_back(
- Gtk::Menu_Helpers::MenuElem(
- _("Insert CPoint"),
- sigc::bind(
- sigc::mem_fun(*this,&studio::Widget_Gradient::insert_cpoint),
- x
- )
- )
- );
-
- if(!gradient_.empty())
- {
- menu->items().push_back(
- Gtk::Menu_Helpers::MenuElem(
- _("Remove CPoint"),
- sigc::bind(
- sigc::mem_fun(*this,&studio::Widget_Gradient::remove_cpoint),
- x
- )
- )
- );
- }
-
- menu->popup(0,0);
-}
-
-void
-Widget_Gradient::set_value(const synfig::Gradient& x)
-{
- gradient_=x;
- if(gradient_.size())
- set_selected_cpoint(*gradient_.proximity(0.0f));
- queue_draw();
-}
-
-void
-Widget_Gradient::set_selected_cpoint(const synfig::Gradient::CPoint &x)
-{
- selected_cpoint=x;
- signal_cpoint_selected_(selected_cpoint);
- queue_draw();
-}
-
-void
-Widget_Gradient::update_cpoint(const synfig::Gradient::CPoint &x)
-{
- try
- {
- Gradient::iterator iter(gradient_.find(x));
- iter->pos=x.pos;
- iter->color=x.color;
- gradient_.sort();
- queue_draw();
- }
- catch(synfig::Exception::NotFound)
- {
- // Yotta...
- }
-}
-
-bool
-Widget_Gradient::on_event(GdkEvent *event)
-{
- //if(editable_)
- {
- const int x(static_cast<int>(event->button.x));
- const int y(static_cast<int>(event->button.y));
-
- float pos((float)x/(float)get_width());
- if(pos<0.0f)pos=0.0f;
- if(pos>1.0f)pos=1.0f;
-
- switch(event->type)
- {
- case GDK_MOTION_NOTIFY:
- if(editable_ && y>get_height()-CONTROL_HEIGHT)
- {
- Gradient::iterator iter(gradient_.find(selected_cpoint));
-
- if(event->button.state&GDK_SHIFT_MASK)
- {
- float begin(-100000000),end(100000000);
- Gradient::iterator before(iter),after(iter);
- after++;
- if(iter!=gradient_.begin())
- {
- before--;
- begin=before->pos;
- }
- if(after!=gradient_.end())
- {
- end=after->pos;
- }
-
- if(pos>end)
- pos=end;
- if(pos<begin)
- pos=begin;
-
- iter->pos=pos;
- }
- else
- {
- iter->pos=pos;
- gradient_.sort();
- }
-
-// signal_value_changed_();
- changed_=true;
- queue_draw();
- return true;
- }
- break;
- case GDK_BUTTON_PRESS:
- changed_=false;
- if(event->button.button==1)
- {
- if(editable_ && y>get_height()-CONTROL_HEIGHT)
- {
- set_selected_cpoint(*gradient_.proximity(pos));
- queue_draw();
- return true;
- }
- else
- {
- signal_clicked_();
- return true;
- }
- }
- else if(editable_ && event->button.button==3)
- {
- popup_menu(pos);
- return true;
- }
- break;
- case GDK_BUTTON_RELEASE:
- if(editable_ && event->button.button==1 && y>get_height()-CONTROL_HEIGHT)
- {
- set_selected_cpoint(*gradient_.proximity(pos));
- if(changed_)signal_value_changed_();
- return true;
- }
- default:
- break;
- }
- }
-
- return false;
-}
projects / synfig.git / blobdiff