--- /dev/null
+/* === S I N F G =========================================================== */
+/*! \file widget_color.cpp
+** \brief Template File
+**
+** $Id: widget_color.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_color.h"
+#include <cmath>
+#include "app.h"
+#include <gtkmm/drawingarea.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 ========================================================= */
+
+#define use_colorspace_gamma() App::use_colorspace_gamma
+#define colorspace_gamma() (2.2f)
+#define gamma_in(x) ((x>0)?pow((float)x,1.0f/colorspace_gamma()):-pow((float)-x,1.0f/colorspace_gamma()))
+#define gamma_out(x) ((x>0)?pow((float)x,colorspace_gamma()):-pow((float)-x,colorspace_gamma()))
+
+/* === G L O B A L S ======================================================= */
+
+/* === P R O C E D U R E S ================================================= */
+
+Gdk::Color
+studio::colorconv_sinfg2gdk(const sinfg::Color &c_)
+{
+ const sinfg::Color c(c_.clamped());
+ Gdk::Color ret;
+ ret.set_rgb(
+ 256*App::gamma.r_F32_to_U8(c.get_r()),
+ 256*App::gamma.g_F32_to_U8(c.get_g()),
+ 256*App::gamma.b_F32_to_U8(c.get_b())
+ );
+ return ret;
+}
+
+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 ======================================================= */
+
+
+/* === M E T H O D S ======================================================= */
+
+Widget_Color::Widget_Color()
+{
+ color=Color(0,0,0,0);
+ set_size_request(-1,16);
+
+ signal_expose_event().connect(sigc::mem_fun(*this, &studio::Widget_Color::redraw));
+ add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
+
+}
+
+Widget_Color::~Widget_Color()
+{
+}
+
+void
+Widget_Color::set_value(const sinfg::Color &data)
+{
+ assert(data.is_valid());
+ color=data;
+ queue_draw();
+}
+
+const sinfg::Color &
+Widget_Color::get_value()
+{
+ assert(color.is_valid());
+ return color;
+}
+
+bool
+Widget_Color::on_event(GdkEvent *event)
+{
+ 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_Color::redraw(GdkEventExpose*bleh)
+{
+ //Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
+
+ const int h(get_height());
+ const int w(get_width());
+
+ render_color_to_window(get_window(),Gdk::Rectangle(0,0,w,h),color);
+
+ return true;
+}
projects / synfig.git / blobdiff