1 /* === S Y N F I G ========================================================= */
2 /*! \file widget_coloredit.cpp
3 ** \brief Template File
5 ** $Id: widget_coloredit.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
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_coloredit.h"
35 #include <gtkmm/drawingarea.h>
36 #include <pangomm/attributes.h>
37 #include <pangomm/attrlist.h>
39 #include <gtkmm/notebook.h>
40 #include <gtkmm/box.h>
44 /* === U S I N G =========================================================== */
48 using namespace synfig;
49 using namespace studio;
51 /* === M A C R O S ========================================================= */
53 #define use_colorspace_gamma() App::use_colorspace_gamma
54 #define colorspace_gamma() (2.2f)
55 #define gamma_in(x) ((x>=0)?pow((float)x,1.0f/colorspace_gamma()):-pow((float)-x,1.0f/colorspace_gamma()))
56 #define gamma_out(x) ((x>=0)?pow((float)x,colorspace_gamma()):-pow((float)-x,colorspace_gamma()))
58 /* === G L O B A L S ======================================================= */
60 /* === P R O C E D U R E S ================================================= */
62 /* === C L A S S E S ======================================================= */
64 ColorSlider::ColorSlider(const ColorSlider::Type &x):
67 signal_expose_event().connect(sigc::mem_fun(*this, &ColorSlider::redraw));
68 set_size_request(-1,12);
69 add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
70 add_events(Gdk::BUTTON1_MOTION_MASK);
74 ColorSlider::set_type(Type x) { type=x; queue_draw(); }
77 ColorSlider::set_color(Color x) { color_=x; queue_draw(); }
80 ColorSlider::slider_color_TYPE_R(Color &color, float amount) { color.set_r(amount); }
82 ColorSlider::slider_color_TYPE_G(Color &color, float amount) { color.set_g(amount); }
84 ColorSlider::slider_color_TYPE_B(Color &color, float amount) { color.set_b(amount); }
86 ColorSlider::slider_color_TYPE_Y(Color &color, float amount) { color.set_y(amount); }
88 ColorSlider::slider_color_TYPE_U(Color &color, float amount) { color.set_u(amount-0.5f); }
90 ColorSlider::slider_color_TYPE_V(Color &color, float amount) { color.set_v(amount-0.5f); }
92 ColorSlider::slider_color_TYPE_HUE(Color &color, float amount) { color.set_uv_angle(Angle::rot(amount)); }
94 ColorSlider::slider_color_TYPE_SAT(Color &color, float amount) { color.set_s(amount*0.5f); }
96 ColorSlider::slider_color_TYPE_A(Color &color, float amount) { color.set_a(amount); }
99 ColorSlider::adjust_color(Type type, Color &color, float amount)
101 static const slider_color_func jump_table[int(TYPE_END)] =
109 slider_color_TYPE_HUE,
110 slider_color_TYPE_SAT,
113 jump_table[int(type)](color,amount);
117 ColorSlider::redraw(GdkEventExpose*bleh)
121 static const slider_color_func jump_table[int(TYPE_END)] =
129 slider_color_TYPE_HUE,
130 slider_color_TYPE_SAT,
134 slider_color_func color_func(jump_table[int(type)]);
139 case TYPE_R: amount=color.get_r(); break;
140 case TYPE_G: amount=color.get_g(); break;
141 case TYPE_B: amount=color.get_b(); break;
142 case TYPE_Y: amount=color.get_y(); break;
143 case TYPE_U: amount=color.get_u()+0.5; break;
144 case TYPE_V: amount=color.get_v()+0.5; break;
145 case TYPE_HUE: amount=Angle::rot(color.get_uv_angle()).get(); amount-=floor(amount); break;
146 case TYPE_SAT: amount=color.get_s()*2.0; break;
147 case TYPE_A: amount=color.get_a(); break;
148 default: amount=0; break;
150 if(use_colorspace_gamma() && (type<TYPE_U))
151 amount=gamma_in(amount);
153 const int height(get_height());
154 const int width(get_width());
156 Gdk::Rectangle ca(0,0,width,height);
158 Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
159 const Color bg1(0.75, 0.75, 0.75);
160 const Color bg2(0.5, 0.5, 0.5);
163 for(i=width-1;i>=0;i--)
165 color_func(color,float(i)/float(width));
166 const Color c1(Color::blend(color,bg1,1.0).clamped());
167 const Color c2(Color::blend(color,bg2,1.0).clamped());
168 assert(c1.is_valid());
169 assert(c2.is_valid());
178 if(use_colorspace_gamma() && (type<TYPE_U))
180 r1=(256*App::gamma.r_F32_to_U8(gamma_out(c1.get_r())));
181 g1=(256*App::gamma.g_F32_to_U8(gamma_out(c1.get_g())));
182 b1=(256*App::gamma.b_F32_to_U8(gamma_out(c1.get_b())));
183 r2=(256*App::gamma.r_F32_to_U8(gamma_out(c2.get_r())));
184 g2=(256*App::gamma.g_F32_to_U8(gamma_out(c2.get_g())));
185 b2=(256*App::gamma.b_F32_to_U8(gamma_out(c2.get_b())));
189 r1=(256*App::gamma.r_F32_to_U8(c1.get_r()));
190 g1=(256*App::gamma.g_F32_to_U8(c1.get_g()));
191 b1=(256*App::gamma.b_F32_to_U8(c1.get_b()));
192 r2=(256*App::gamma.r_F32_to_U8(c2.get_r()));
193 g2=(256*App::gamma.g_F32_to_U8(c2.get_g()));
194 b2=(256*App::gamma.b_F32_to_U8(c2.get_b()));
200 gdk_c.set_rgb(r1,g1,b1);
201 gc->set_rgb_fg_color(gdk_c);
202 get_window()->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y(), 1, height/2);
204 gdk_c.set_rgb(r2,g2,b2);
205 gc->set_rgb_fg_color(gdk_c);
206 get_window()->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y()+height/2, 1, height/2);
210 gdk_c.set_rgb(r2,g2,b2);
211 gc->set_rgb_fg_color(gdk_c);
212 get_window()->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y(), 1, height/2);
214 gdk_c.set_rgb(r1,g1,b1);
215 gc->set_rgb_fg_color(gdk_c);
216 get_window()->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y()+height/2, 1, height/2);
220 get_style()->paint_arrow(
229 int(amount*width)-height/2,
235 gc->set_rgb_fg_color(Gdk::Color("#ffffff"));
236 get_window()->draw_rectangle(gc, false, ca.get_x()+1, ca.get_y()+1, width-3, height-3);
237 gc->set_rgb_fg_color(Gdk::Color("#000000"));
238 get_window()->draw_rectangle(gc, false, ca.get_x(), ca.get_y(), width-1, height-1);
243 ColorSlider::on_event(GdkEvent *event)
245 float pos(event->button.x/(float)get_width());
246 if(pos<0 || event->button.x<=0)pos=0;
249 if(use_colorspace_gamma() && (type<TYPE_U))
251 if(pos<0 || event->button.x<=0)pos=0;
256 case GDK_BUTTON_RELEASE:
260 case GDK_MOTION_NOTIFY:
261 // adjust_color(type,color_,pos);
262 signal_slider_moved_(type,pos);
272 /* === M E T H O D S ======================================================= */
274 Widget_ColorEdit::Widget_ColorEdit():
275 R_adjustment(0,-10000000,10000000,1,10,0),
276 G_adjustment(0,-10000000,10000000,1,10,0),
277 B_adjustment(0,-10000000,10000000,1,10,0),
278 A_adjustment(0,-10000000,10000000,1,10,0)
280 notebook=manage(new Gtk::Notebook);
282 Gtk::Table* rgb_table(manage(new Gtk::Table()));
283 Gtk::Table* yuv_table(manage(new Gtk::Table()));
284 Gtk::Table* main_table(this);
287 Gtk::VBox* rgb_box(manage(new Gtk::VBox()));
288 Gtk::VBox* yuv_box(manage(new Gtk::VBox()));
289 rgb_box->pack_start(*rgb_table,false,false);
290 yuv_box->pack_start(*yuv_table,false,false);
291 notebook->append_page(*rgb_box,_("RGB"));
292 notebook->append_page(*yuv_box,_("YUV"));
295 color=Color(0,0,0,0);
297 set_size_request(150,-1);
302 R_adjustment.set_lower(-10000000);
303 G_adjustment.set_lower(-10000000);
304 B_adjustment.set_lower(-10000000);
305 A_adjustment.set_lower(-10000000);
309 Pango::AttrList attr_list;
310 Pango::AttrInt pango_size(Pango::Attribute::create_attr_size(Pango::SCALE*7));
311 pango_size.set_start_index(0);
312 pango_size.set_end_index(64);
313 attr_list.change(pango_size);
315 widget_color.set_size_request(-1,16);
316 attach(widget_color, 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
317 attach(*notebook, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
319 #define SLIDER_ROW(i,n,l) \
320 slider_##n=manage(new ColorSlider(ColorSlider::TYPE_##n)); \
321 slider_##n->signal_slider_moved().connect(sigc::mem_fun(*this,&studio::Widget_ColorEdit::on_slider_moved)); \
322 /*slider_##n->signal_activated().connect(sigc::mem_fun(*this,&studio::Widget_ColorEdit::activated));*/ \
323 slider_##n->signal_activated().connect(sigc::mem_fun(*this,&studio::Widget_ColorEdit::on_value_changed)); \
324 label=manage(new class Gtk::Label(l,0.0,0.5)); \
325 label->set_use_markup(false); \
326 label->set_use_underline(false); \
327 label->set_attributes(attr_list); \
328 table->attach(*label, 0, 1, 1+2*i, 2+2*i, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0); \
329 table->attach(*slider_##n, 0, 1, 2+2*i, 3+2*i, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0)
331 #define ATTACH_SPIN_BUTTON(i,n) \
332 spinbutton_##n=manage(new class Gtk::SpinButton(n##_adjustment,1,0)); \
333 spinbutton_##n->set_update_policy(Gtk::UPDATE_ALWAYS); \
334 spinbutton_##n->set_size_request(48,-1); \
335 spinbutton_##n->show(); \
336 table->attach(*spinbutton_##n, 1, 2, 1+2*i, 3+2*i, Gtk::SHRINK, Gtk::EXPAND, 2, 0)
339 Gtk::Table* table(rgb_table);
340 SLIDER_ROW(0,R,_("Red"));
341 ATTACH_SPIN_BUTTON(0,R);
342 SLIDER_ROW(1,G,_("Green"));
343 ATTACH_SPIN_BUTTON(1,G);
344 SLIDER_ROW(2,B,_("Blue"));
345 ATTACH_SPIN_BUTTON(2,B);
348 Gtk::Table* table(yuv_table);
349 SLIDER_ROW(0,Y,_("Luma"));
350 SLIDER_ROW(1,HUE,_("Hue"));
351 SLIDER_ROW(2,SAT,_("Saturation"));
352 SLIDER_ROW(3,U,_("U"));
353 SLIDER_ROW(4,V,_("V"));
356 Gtk::Table* table(main_table);
357 SLIDER_ROW(1,A,_("Alpha"));
358 ATTACH_SPIN_BUTTON(1,A);
362 #undef ATTACH_SPIN_BUTTON
364 spinbutton_R->signal_activate().connect(sigc::mem_fun(*spinbutton_G,&Gtk::SpinButton::grab_focus));
365 spinbutton_G->signal_activate().connect(sigc::mem_fun(*spinbutton_B,&Gtk::SpinButton::grab_focus));
366 spinbutton_B->signal_activate().connect(sigc::mem_fun(*spinbutton_A,&Gtk::SpinButton::grab_focus));
367 spinbutton_A->signal_activate().connect(sigc::mem_fun(*spinbutton_R,&Gtk::SpinButton::grab_focus));
369 R_adjustment.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Widget_ColorEdit::on_value_changed));
370 G_adjustment.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Widget_ColorEdit::on_value_changed));
371 B_adjustment.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Widget_ColorEdit::on_value_changed));
372 A_adjustment.signal_value_changed().connect(sigc::mem_fun(*this,&studio::Widget_ColorEdit::on_value_changed));
381 Widget_ColorEdit::~Widget_ColorEdit()
386 Widget_ColorEdit::on_slider_moved(ColorSlider::Type type, float amount)
388 Color color(get_value_raw());
390 assert(color.is_valid());
391 ColorSlider::adjust_color(type,color,amount);
392 assert(color.is_valid());
394 // If a non-primary colorslider is adjusted,
395 // we want to make sure that we clamp
396 if(type>ColorSlider::TYPE_B && (color.get_r()<0 ||color.get_g()<0 ||color.get_b()<0))
400 if(type==ColorSlider::TYPE_R && color.get_r()<0)clamp_=false;
401 if(type==ColorSlider::TYPE_G && color.get_g()<0)clamp_=false;
402 if(type==ColorSlider::TYPE_B && color.get_b()<0)clamp_=false;
407 assert(color.is_valid());
411 Widget_ColorEdit::on_value_changed()
416 const Color color(get_value_raw());
417 assert(color.is_valid());
418 slider_R->set_color(color);
419 slider_G->set_color(color);
420 slider_B->set_color(color);
421 slider_Y->set_color(color);
422 slider_U->set_color(color);
423 slider_V->set_color(color);
424 slider_HUE->set_color(color);
425 slider_SAT->set_color(color);
426 slider_A->set_color(color);
427 widget_color.set_value(color);
430 signal_value_changed_();
434 Widget_ColorEdit::set_has_frame(bool x)
436 spinbutton_R->set_has_frame(x);
437 spinbutton_G->set_has_frame(x);
438 spinbutton_B->set_has_frame(x);
439 spinbutton_A->set_has_frame(x);
440 spinbutton_R->set_size_request(48,-1);
441 spinbutton_G->set_size_request(48,-1);
442 spinbutton_B->set_size_request(48,-1);
443 spinbutton_A->set_size_request(48,-1);
447 Widget_ColorEdit::set_digits(int x)
449 spinbutton_R->set_digits(x);
450 spinbutton_G->set_digits(x);
451 spinbutton_B->set_digits(x);
452 spinbutton_A->set_digits(x);
453 spinbutton_R->set_size_request(48,-1);
454 spinbutton_G->set_size_request(48,-1);
455 spinbutton_B->set_size_request(48,-1);
456 spinbutton_A->set_size_request(48,-1);
460 Widget_ColorEdit::set_value(const synfig::Color &data)
462 assert(data.is_valid());
468 if(use_colorspace_gamma())
470 R_adjustment.set_value(gamma_in(color.get_r())*100);
471 G_adjustment.set_value(gamma_in(color.get_g())*100);
472 B_adjustment.set_value(gamma_in(color.get_b())*100);
476 R_adjustment.set_value(color.get_r()*100);
477 G_adjustment.set_value(color.get_g()*100);
478 B_adjustment.set_value(color.get_b()*100);
480 A_adjustment.set_value(color.get_a()*100);
482 slider_R->set_color(color);
483 slider_G->set_color(color);
484 slider_B->set_color(color);
485 slider_Y->set_color(color);
486 slider_U->set_color(color);
487 slider_V->set_color(color);
488 slider_HUE->set_color(color);
489 slider_SAT->set_color(color);
490 slider_A->set_color(color);
491 widget_color.set_value(color);
497 Widget_ColorEdit::get_value_raw()
500 if(use_colorspace_gamma())
502 color.set_r(gamma_out(R_adjustment.get_value()/100.0f));
503 color.set_g(gamma_out(G_adjustment.get_value()/100.0f));
504 color.set_b(gamma_out(B_adjustment.get_value()/100.0f));
505 assert(color.is_valid());
509 color.set_r(R_adjustment.get_value()/100);
510 color.set_g(G_adjustment.get_value()/100);
511 color.set_b(B_adjustment.get_value()/100);
512 assert(color.is_valid());
514 color.set_a(A_adjustment.get_value()/100);
515 assert(color.is_valid());
520 const synfig::Color &
521 Widget_ColorEdit::get_value()
523 if(use_colorspace_gamma())
525 color.set_r(gamma_out(R_adjustment.get_value()/100.0f));
526 color.set_g(gamma_out(G_adjustment.get_value()/100.0f));
527 color.set_b(gamma_out(B_adjustment.get_value()/100.0f));
528 assert(color.is_valid());
532 color.set_r(R_adjustment.get_value()/100);
533 color.set_g(G_adjustment.get_value()/100);
534 color.set_b(B_adjustment.get_value()/100);
535 assert(color.is_valid());
537 color.set_a(A_adjustment.get_value()/100);
538 assert(color.is_valid());
540 if(notebook->get_current_page()!=0)
541 color=color.clamped();
544 // Clamp out negative values
545 color.set_r(std::max(0.0f,(float)color.get_r()));
546 color.set_g(std::max(0.0f,(float)color.get_g()));
547 color.set_b(std::max(0.0f,(float)color.get_b()));