1 /* === S Y N F I G ========================================================= */
2 /*! \file widget_color.cpp
3 ** \brief Template File
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
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.
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.
21 /* ========================================================================= */
23 /* === H E A D E R S ======================================================= */
32 #include "widget_color.h"
35 #include <gtkmm/drawingarea.h>
39 /* === U S I N G =========================================================== */
43 using namespace synfig;
44 using namespace studio;
46 /* === M A C R O S ========================================================= */
48 /* === G L O B A L S ======================================================= */
50 /* === P R O C E D U R E S ================================================= */
53 studio::colorconv_synfig2gdk(const synfig::Color &c_)
55 const synfig::Color c(c_.clamped());
58 256*App::gamma.r_F32_to_U8(c.get_r()),
59 256*App::gamma.g_F32_to_U8(c.get_g()),
60 256*App::gamma.b_F32_to_U8(c.get_b())
66 studio::render_color_to_window(const Glib::RefPtr<Gdk::Drawable>& window,const Gdk::Rectangle& ca,const synfig::Color &color)
68 const int height(ca.get_height());
69 const int width(ca.get_width());
71 const int square_size(height/2);
73 Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(window));
75 if(color.get_alpha()!=1.0)
77 // In this case we need to render the alpha squares
79 const Color bg1(Color::blend(color,Color(0.75, 0.75, 0.75),1.0).clamped());
80 const Color bg2(Color::blend(color,Color(0.5, 0.5, 0.5),1.0).clamped());
82 Gdk::Color gdk_c1(colorconv_synfig2gdk(bg1));
83 Gdk::Color gdk_c2(colorconv_synfig2gdk(bg2));
86 for(int i=0;i<width;i+=square_size)
88 const int square_width(min(square_size,width-i));
92 gc->set_rgb_fg_color(gdk_c1);
93 window->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y(), square_width, square_size);
95 gc->set_rgb_fg_color(gdk_c2);
96 window->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y()+square_size, square_width, square_size);
101 gc->set_rgb_fg_color(gdk_c2);
102 window->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y(), square_width, square_size);
104 gc->set_rgb_fg_color(gdk_c1);
105 window->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y()+square_size, square_width, square_size);
112 // In this case we have a solid color to use
113 Gdk::Color gdk_c1(colorconv_synfig2gdk(color));
115 gc->set_rgb_fg_color(gdk_c1);
116 window->draw_rectangle(gc, true, ca.get_x(), ca.get_y(), width-1, height-1);
118 gc->set_rgb_fg_color(Gdk::Color("#ffffff"));
119 window->draw_rectangle(gc, false, ca.get_x()+1, ca.get_y()+1, width-3, height-3);
120 gc->set_rgb_fg_color(Gdk::Color("#000000"));
121 window->draw_rectangle(gc, false, ca.get_x(), ca.get_y(), width-1, height-1);
124 /* === C L A S S E S ======================================================= */
127 /* === M E T H O D S ======================================================= */
129 Widget_Color::Widget_Color()
131 color=Color(0,0,0,0);
132 set_size_request(-1,16);
134 signal_expose_event().connect(sigc::mem_fun(*this, &studio::Widget_Color::redraw));
135 add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
139 Widget_Color::~Widget_Color()
144 Widget_Color::set_value(const synfig::Color &data)
146 assert(data.is_valid());
151 const synfig::Color &
152 Widget_Color::get_value()
154 assert(color.is_valid());
159 Widget_Color::on_event(GdkEvent *event)
163 case GDK_BUTTON_PRESS:
164 if(event->button.button==1)
169 if(event->button.button==3)
183 Widget_Color::redraw(GdkEventExpose */*bleh*/)
185 //Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
187 const int h(get_height());
188 const int w(get_width());
190 render_color_to_window(get_window(),Gdk::Rectangle(0,0,w,h),color);