C++ Rectangle::get_width方法代码示例

void GazeTracker::boundToScreenCoordinates(Point &estimate) {
	int numMonitors = Gdk::Screen::get_default()->get_n_monitors();
	Gdk::Rectangle monitorGeometry;
	Glib::RefPtr<Gdk::Screen> screen = Gdk::Display::get_default()->get_default_screen();

	// Geometry of main monitor
	screen->get_monitor_geometry(numMonitors - 1, monitorGeometry);

	// If x or y coordinates are outside screen boundaries, correct them
	if (estimate.x < monitorGeometry.get_x()) {
		estimate.x = monitorGeometry.get_x();
	}

	if (estimate.y < monitorGeometry.get_y()) {
		estimate.y = monitorGeometry.get_y();
	}

	if (estimate.x >= monitorGeometry.get_x() + monitorGeometry.get_width()) {
		estimate.x = monitorGeometry.get_x() + monitorGeometry.get_width();
	}

	if (estimate.y >= monitorGeometry.get_y() + monitorGeometry.get_height()) {
		estimate.y = monitorGeometry.get_y() + monitorGeometry.get_height();
	}
}

void EmblemCellRenderer::do_render(const Cairo::RefPtr<Cairo::Context>& context, int widget, int background_area, Gdk::Rectangle &cell_area, int flags) {
    context->translate(cell_area.get_x(), cell_area.get_y());
    context->rectangle(0, 0, cell_area.get_width(), cell_area.get_height());
    context->clip();

    // TODO: Incorporate padding
    context->push_group();
    if (!this->_icon_name.empty()) {
        Glib::RefPtr<Gdk::Pixbuf> pixbuf = this->_get_pixbuf(this->_icon_name, this->_icon_size);
        context->set_operator(Cairo::OPERATOR_SOURCE);
        // Assumes square icons; may break if we don't get the requested size
        int height_offset = int((cell_area.get_height() - pixbuf->get_height())/2);
        Gdk::Cairo::set_source_pixbuf(context, pixbuf, 0, height_offset);
        context->rectangle(0, height_offset,
                          pixbuf->get_width(), pixbuf->get_height());
        context->fill();

        if (this->_tint_color) {
            Gdk::RGBA* c = this->_tint_color;
            gushort r = c->get_red();
            gushort g = c->get_green();
            gushort b = c->get_blue();
            // Figure out the difference between our tint colour and an
            // empirically determined (i.e., guessed) satisfying luma and
            // adjust the base colours accordingly
            double luma = (r + r + b + g + g + g) / 6.;
            double extra_luma = (1.2 - luma) / 3.;
            r = std::min(r + extra_luma, 1.);
            g = std::min(g + extra_luma, 1.);
            b = std::min(b + extra_luma, 1.);
            context->set_source_rgba(r, g, b, 0.4);
            context->set_operator(Cairo::OPERATOR_ATOP);
            context->paint();
        }

        if (!this->_emblem_name.empty()) {
            Glib::RefPtr<Gdk::Pixbuf> pixbuf = this->_get_pixbuf(this->_emblem_name, this->_emblem_size);
            int x_offset = this->_icon_size - this->_emblem_size;
            context->set_operator(Cairo::OPERATOR_OVER);
            Gdk::Cairo::set_source_pixbuf(context, pixbuf, x_offset, 0);
            context->rectangle(x_offset, 0,
                              cell_area.get_width(), this->_emblem_size);
            context->fill();
        }
    }

    context->pop_group_to_source();
    context->set_operator(Cairo::OPERATOR_OVER);
    context->paint();
}

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);
}

// Construct the dialog
LightTextureChooser::LightTextureChooser()
:	gtkutil::BlockingTransientWindow(_("Choose texture"), GlobalMainFrame().getTopLevelWindow()),
	_selector(Gtk::manage(new ShaderSelector(this, getPrefixList(), true))) // true >> render a light texture
{
	// Set the default size of the window
	Gdk::Rectangle rect;

	if (GlobalGroupDialog().getDialogWindow()->is_visible())
	{
		rect = gtkutil::MultiMonitor::getMonitorForWindow(GlobalGroupDialog().getDialogWindow());
	}
	else
	{
		rect = gtkutil::MultiMonitor::getMonitorForWindow(GlobalMainFrame().getTopLevelWindow());
	}

	set_default_size(static_cast<int>(rect.get_width()*0.6f), static_cast<int>(rect.get_height()*0.6f));

	// Construct main VBox, and pack in ShaderSelector and buttons panel
	Gtk::VBox* vbx = Gtk::manage(new Gtk::VBox(false, 6));

	vbx->pack_start(*_selector, true, true, 0);
	vbx->pack_start(createButtons(), false, false, 0);

	add(*vbx);
}

std::string EntityChooser::ChooseEntity(const std::string& preSelectedEntity)
{
	gtkutil::Dialog dlg(_("Select Entity"), GlobalMainFrame().getTopLevelWindow());

	Gdk::Rectangle rect = gtkutil::MultiMonitor::getMonitorForWindow(GlobalMainFrame().getTopLevelWindow());

	dlg.set_default_size(static_cast<int>(rect.get_width()/2), static_cast<int>(2*rect.get_height()/3));

	// Instantiate a new chooser class
	EntityChooserPtr chooser(new EntityChooser);
	chooser->setSelectedEntity(preSelectedEntity);

	// add this to the dialog window
	IDialog::Handle handle = dlg.addElement(chooser);

	if (dlg.run() == IDialog::RESULT_OK)
	{
		return dlg.getElementValue(handle);
	}
	else
	{
		// Cancelled
		return "";
	}
}

Gui_DisplayBaseClass::Gui_DisplayBaseClass(Gui_ProcessorHandler& processor_hand):
    m_processor_hand(processor_hand),
    m_deco(this,processor_hand,m_show_idx,m_show_point,m_ROI),
    m_ROI(cv::Point(0,0),cv::Point(0,0)),
    m_draw_result(false),
    m_alph_mask(128),
    m_show_idx(-1),m_show_point(false),m_show_mask(true),
    m_cursor(Gdk::CROSS)
    {

    this->add_events( Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK );
    this->signal_scroll_event().connect( sigc::mem_fun( *this, &Gui_DisplayBaseClass::on_scroll) );
    this->signal_button_press_event().connect( sigc::mem_fun( *this, &Gui_DisplayBaseClass::on_click) );

    m_color.set_rgb_p(0.2,0.2,0.2);
    this->modify_bg(Gtk::STATE_NORMAL,m_color);

    m_processor_hand.signal_state().connect( sigc::mem_fun(*this,&Gui_DisplayBaseClass::myRedraw));

    Glib::RefPtr< Gdk::Screen > screen = Gdk::Screen::get_default();
    Gdk::Rectangle rect;
    screen->get_monitor_geometry(screen->get_primary_monitor(),rect);
    set_size_request(rect.get_width()/4,rect.get_height()/4);



    makeLUT();




}

bool MouseAwareTreeView::queueDrawIfNeccesary(int32_t x, int32_t y, Glib::ustring* pPath)
{
    Gtk::TreeModel::Path mousePath;
    Gtk::TreeViewColumn* pColumn;
    Gdk::Rectangle rect;

    convert_bin_window_to_widget_coords (x, y, m_MouseInfo.x, m_MouseInfo.y);

    if (get_path_at_pos(x, y, mousePath, pColumn, x, y))
    {
        int32_t offsetX, offsetY;
        convert_bin_window_to_widget_coords(0, 0, offsetX, offsetY);

        m_MouseInfo.x -= offsetX;
        m_MouseInfo.y -= offsetY;

        get_cell_area(mousePath, *pColumn, rect);
        queue_draw_area(rect.get_x() + offsetX, rect.get_y() + offsetY, rect.get_width(), rect.get_height());
        if (rect.get_y() != m_CurrentCell)
        {
            m_CurrentCell = rect.get_y();
            m_CellChanged = true;
        }

        if (pPath)
        {
            *pPath = mousePath.to_string();
        }
        return true;
    }

    return false;
}

MD5AnimationViewer::MD5AnimationViewer() :
	gtkutil::BlockingTransientWindow(_("MD5 Animation Viewer"), GlobalMainFrame().getTopLevelWindow()),
	_modelList(Gtk::TreeStore::create(_modelColumns)),
	_modelPopulator(_modelList),
	_animList(Gtk::ListStore::create(_animColumns)),
	_preview(new AnimationPreview)
{
	// Set the default border width in accordance to the HIG
	set_border_width(12);
	set_type_hint(Gdk::WINDOW_TYPE_HINT_DIALOG);

	// Set the default size of the window
	const Glib::RefPtr<Gtk::Window>& mainWindow = GlobalMainFrame().getTopLevelWindow();

	Gdk::Rectangle rect = gtkutil::MultiMonitor::getMonitorForWindow(mainWindow);
	int height = static_cast<int>(rect.get_height() * 0.6f);

	set_default_size(
		static_cast<int>(rect.get_width() * 0.8f), height
	);

	// Set the default size of the window
	_preview->setSize(rect.get_width() * 0.2f, height);

	// Main dialog vbox
	Gtk::VBox* vbox = Gtk::manage(new Gtk::VBox(false, 12));

	// Create a horizontal box to pack the treeview on the left and the preview on the right
	Gtk::HBox* hbox = Gtk::manage(new Gtk::HBox(false, 6));

	hbox->pack_start(createListPane(), true, true, 0);

	Gtk::VBox* previewBox = Gtk::manage(new Gtk::VBox(false, 0));
	previewBox->pack_start(*_preview, true, true, 0);

	hbox->pack_start(*previewBox, true, true, 0);

	vbox->pack_start(*hbox, true, true, 0);
	vbox->pack_end(createButtons(), false, false, 0);

	// Add main vbox to dialog
	add(*vbox);

	// Populate with model names
	populateModelList();
}

bool LinkHints::getObjectAtPos(gdouble x, gdouble y, ObjectType *obj) {
	for(iterator h = begin(); h != end(); h++) {
		Gdk::Rectangle r = (*h)->drawRect();
		if(x >= r.get_x() && y >= r.get_y() && x <= r.get_x() + r.get_width() && y <= r.get_y() + r.get_height()) {
			*obj = ObjectType(*h);
			return true;
		}
	}
	return false;
}

bool GraficoDeTorta::dibujar(const Cairo::RefPtr<Cairo::Context>& contexto){
	Gdk::Rectangle rect = dibujo->get_allocation();
	Pango::FontDescription font;
	font.set_family("Monospace");
	font.set_weight(Pango::WEIGHT_BOLD);

	if(stock.size() == 0) return false;
	contexto->set_source_rgb(1.0,1.0,1.0);
	contexto->paint();	
	
	int total = 0;
	for(unsigned int i = 0; i < stock.size(); i++){
		total +=  stock[i].second;
	}
	float step = 2*M_PI/total;
	total = 0;
	

	float angulo0=0;
	for(unsigned int i = 0; i < stock.size(); i++){
		float angulo1 = step*stock[i].second + angulo0;
		dibujarArco(contexto,rect.get_width()/2-rect.get_width()/4,rect.get_height()/2,rect.get_width()<rect.get_height()?rect.get_width()/4:rect.get_height()/4,angulo0,angulo1,red[i],green[i],blue[i]);
		angulo0 = angulo1;
	}
	
	Glib::RefPtr<Pango::Layout> layout;
	std::stringstream s;
	for(unsigned int i = 0; i < stock.size(); i++){
		s.str("");
		s << stock[i].first << "\t" << stock[i].second;
		layout = dibujo->create_pango_layout(s.str());
		layout -> set_font_description(font);
		int t_width, t_height;
		layout->get_pixel_size(t_width,t_height);
		contexto->set_source_rgb(0,0,0);	
		contexto -> move_to((rect.get_width())/2,15*(i+1)+5);
		layout -> show_in_cairo_context(contexto);
		contexto -> set_source_rgb(red[i],green[i],blue[i]);
		contexto -> rectangle(rect.get_width()/2+80,15*(i+1)+5,30,15);
		contexto -> fill();
	}
	return true;
}

void ItemView::drawButton(const Cairo::RefPtr<Cairo::Context>& cr, Gtk::Image* image, Gdk::Rectangle rect)
{
    const Glib::RefPtr<Gdk::Pixbuf> icon = image->get_pixbuf();

    const int iconLeft = rect.get_x() + (rect.get_width() * 0.5) - (icon->get_width() * 0.5);
    const int iconTop = rect.get_y() + (rect.get_height() * 0.5) - (icon->get_height() * 0.5);

    Gdk::Cairo::set_source_pixbuf(cr, icon, iconLeft, iconTop);
    cr->rectangle(iconLeft, iconTop, icon->get_width(), icon->get_height());
    cr->fill();
}

bool ItemView::isHit(GdkEventButton* event, Gdk::Rectangle& rect)
{
    const int left = rect.get_x();
    const int top = rect.get_y();
    const int right = left + rect.get_width();
    const int bottom = top + rect.get_height();

    if (event->x > left && event->x < right)
        if (event->y > top && event->y < bottom)
            return true;

    return false;}

ParticlesChooser::ParticlesChooser() :
	gtkutil::BlockingTransientWindow(_("Choose particles"), GlobalMainFrame().getTopLevelWindow()),
	_particlesList(Gtk::ListStore::create(COLUMNS())),
	_selectedParticle(""),
	_preview(new gtkutil::ParticlePreview)
{
	set_border_width(12);

	// Set the default size of the window
	const Glib::RefPtr<Gtk::Window>& mainWindow = GlobalMainFrame().getTopLevelWindow();

	Gdk::Rectangle rect = gtkutil::MultiMonitor::getMonitorForWindow(mainWindow);
	int height = static_cast<int>(rect.get_height() * 0.6f);

	set_default_size(
		static_cast<int>(rect.get_width() * 0.4f), height
	);

	// Set the default size of the window
	_preview->setSize(rect.get_width() * 0.2f, height);

	// Main dialog vbox
	Gtk::VBox* vbox = Gtk::manage(new Gtk::VBox(false, 12));

	// Create a horizontal box to pack the treeview on the left and the preview on the right
	Gtk::HBox* hbox = Gtk::manage(new Gtk::HBox(false, 6));

	hbox->pack_start(createTreeView(), true, true, 0);

	Gtk::VBox* previewBox = Gtk::manage(new Gtk::VBox(false, 0));
	previewBox->pack_start(*_preview, true, true, 0);

	hbox->pack_start(*previewBox, true, true, 0);

	vbox->pack_start(*hbox, true, true, 0);
	vbox->pack_end(createButtons(), false, false, 0);

	// Add main vbox to dialog
	add(*vbox);
}

// Create GTK stuff in c-tor
OverlayDialog::OverlayDialog() :
	PersistentTransientWindow(_(DIALOG_TITLE), GlobalMainFrame().getTopLevelWindow(), true),
	_callbackActive(false)
{
	set_border_width(12);

	// Set default size
	Gdk::Rectangle rect = gtkutil::MultiMonitor::getMonitorForWindow(GlobalMainFrame().getTopLevelWindow());
	set_default_size(static_cast<int>(rect.get_width()/3), -1);

	// Pack in widgets
	Gtk::VBox* vbox = Gtk::manage(new Gtk::VBox(false, 12));

	vbox->pack_start(createWidgets(), true, true, 0);
	vbox->pack_end(createButtons(), false, false, 0);

	add(*vbox);
}

// Constructor
SoundChooser::SoundChooser() :
	BlockingTransientWindow(_("Choose sound"), GlobalMainFrame().getTopLevelWindow()),
	_treeStore(Gtk::TreeStore::create(_columns)),
	_treeView(NULL),
	_preview(Gtk::manage(new SoundShaderPreview))
{
	set_border_width(12);
	set_type_hint(Gdk::WINDOW_TYPE_HINT_DIALOG);

	// Set the default size of the window
	Gdk::Rectangle rect = gtkutil::MultiMonitor::getMonitorForWindow(GlobalMainFrame().getTopLevelWindow());
	set_default_size(rect.get_width() / 2, rect.get_height() / 2);

	// Main vbox
	Gtk::VBox* vbx = Gtk::manage(new Gtk::VBox(false, 12));

    vbx->pack_start(createTreeView(), true, true, 0);
    vbx->pack_start(*_preview, false, false, 0);
    vbx->pack_start(createButtons(), false, false, 0);

    add(*vbx);
}