コード例 #1
0
ファイル: Terminal.cpp プロジェクト: jacquev6/DrawSyntax
void Terminal::drawSurroundingShape( Cairo::RefPtr< Cairo::Context > ctx, double width, double height ) const {
    ctx->move_to( height / 2, 0 );
    ctx->line_to( width - height / 2, 0 );
    ctx->arc( width - height / 2, height / 2, height / 2, -M_PI / 2, M_PI / 2 );
    ctx->line_to( height / 2, height );
    ctx->arc( height / 2, height / 2, height / 2, M_PI / 2, -M_PI / 2 );
}
コード例 #2
0
ファイル: GraphicalItem.cpp プロジェクト: GG31/packages
void GraphicalItem::drawRoundedRectangle(
    const Cairo::RefPtr<Cairo::Context>& context,
    int x, int y,
    int width, int height,
    double aspect,
    double corner_radius,
    double red, double green, double blue)
{
    double radius = corner_radius / aspect;
    double degrees = M_PI / 180.0;

    context->begin_new_sub_path();
    context->arc(x + width - radius, y + radius, radius,
        -90 * degrees, 0 * degrees);
    context->arc(x + width - radius, y + height - radius,
        radius, 0 * degrees, 90 * degrees);
    context->arc(x + radius, y + height - radius, radius,
        90 * degrees, 180 * degrees);
    context->arc(x + radius, y + radius, radius,
        180 * degrees, 270 * degrees);
    context->close_path();

    context->set_source_rgb(red, green, blue);
    context->fill_preserve();
    setColor(Settings::settings().getForegroundColor(), context);
    context->stroke();
}
コード例 #3
0
ファイル: renderer.cpp プロジェクト: jorik041/alacarte
//! Only renders the shield background, the text is rendered in renderLabels
void Renderer::renderShields(const Cairo::RefPtr<Cairo::Context>& cr,
							 std::vector<shared_ptr<Shield> >& shields) const
{
	cr->save();

	cr->set_line_join(Cairo::LINE_JOIN_ROUND);

	for (auto& shield : shields)
	{
		const Style* s = shield->style;

		double x0, y0, height, width;
		double border = ceil(s->shield_frame_width/2.0 + s->shield_casing_width);
		x0 = shield->shield.minX + border;
		y0 = shield->shield.minY + border;
		width = shield->shield.getWidth() - 2*border;
		height = shield->shield.getHeight() - 2*border;
		if ((int) s->shield_frame_width % 2 == 1) {
			x0 -= 0.5;
			y0 -= 0.5;
		}
		if (s->shield_shape == Style::ShieldShape::ROUNDED) {
			cr->arc(x0 + height/2.0, y0 + height/2.0,
					height/2.0, boost::math::constants::pi<double>()/2.0, 3.0*boost::math::constants::pi<double>()/2.0);
			cr->arc(x0 + width - height/2.0, y0 + height/2.0,
					height/2.0, 3.0*boost::math::constants::pi<double>()/2.0, boost::math::constants::pi<double>()/2.0);
			cr->close_path();
		} else
			cr->rectangle(x0, y0, width, height);

		// shield casing
		if (s->shield_casing_width > 0) {
			cr->set_source_color(s->shield_casing_color),
			cr->set_line_width(s->shield_frame_width + s->shield_casing_width * 2.0);
			cr->stroke_preserve();
		}

		// shield background
		cr->set_source_color(s->shield_color),
		cr->fill_preserve();

		// shield frame
		cr->set_source_color(s->shield_frame_color),
		cr->set_line_width(s->shield_frame_width);
		cr->stroke();
	}

	cr->restore();
}
コード例 #4
0
ファイル: main.cpp プロジェクト: vagran/adk
        /** Drawing event handler. */
        virtual bool
        on_draw(const Cairo::RefPtr<Cairo::Context>& cr)
        {
            switch (_curShape) {
            case SHAPE_RECTANGLE:
                cr->rectangle(20, 20, 200, 100);
                cr->set_source_rgb(0, 0.8, 0);
                cr->fill_preserve();
                break;
            case SHAPE_ELLIPSE:
                cr->arc(150, 100, 90, 0, 2 * 3.14);
                cr->set_source_rgb(0.8, 0, 0);
                cr->fill_preserve();
                break;
            case SHAPE_TRIANGLE:
                cr->move_to(40, 40);
                cr->line_to(200, 40);
                cr->line_to(120, 160);
                cr->line_to(40, 40);
                cr->set_source_rgb(0.8, 0, 0.8);
                cr->fill_preserve();
                cr->set_line_cap(Cairo::LINE_CAP_ROUND);
                cr->set_line_join(Cairo::LINE_JOIN_ROUND);
                break;
            }

            cr->set_line_width(3);
            cr->set_source_rgb(0, 0, 0);
            cr->stroke();
            return true;
        }
コード例 #5
0
int main(int, char**) {
	Cairo::RefPtr<Cairo::ImageSurface> surface = Cairo::ImageSurface::create(
			Cairo::FORMAT_ARGB32, WIDTH, HEIGHT);
	Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create(surface);
	// fill background in white
	cr->set_source_rgb(1.0, 1.0, 1.0);
	cr->paint();

	// draw a little dot at the point where text will be drawn
	cr->arc(TEXT_ORIGIN_X, TEXT_ORIGIN_Y, FONT_SIZE / 4.0, 0, 2 * M_PI);
	cr->set_source_rgba(0.0, 1.0, 0.0, 0.5);
	cr->fill();

	// draw the text
	cr->move_to(TEXT_ORIGIN_X, TEXT_ORIGIN_Y);
	cr->set_source_rgb(0.8, 0.2, 0.2);
	Cairo::RefPtr<Cairo::ToyFontFace> font = Cairo::ToyFontFace::create(
			"Bitstream Charter", Cairo::FONT_SLANT_ITALIC,
			Cairo::FONT_WEIGHT_BOLD);
	cr->set_font_face(font);
	cr->set_font_size(FONT_SIZE);
	cr->show_text("cairomm!");
	surface->write_to_png("toy-text.png");
	return 0;
}
コード例 #6
0
ファイル: balls.cpp プロジェクト: jogojapan/simul
bool Balls::on_draw(const Cairo::RefPtr<Cairo::Context>& cr)
{
  Gtk::Allocation allocation = get_allocation();
  const int width = allocation.get_width();
  const int height = allocation.get_height();

  cr->save();
  cr->scale(width, height);

  cr->set_line_width(0.001);
  for (auto ball : balls_)
    {
      cr->set_source_rgb(ball.color_r,ball.color_g,ball.color_b);
      cr->arc(ball.p.x,ball.p.y,
              ball.rad,
              0,2*M_PI);
      cr->fill();
      cr->stroke();
    }

  cr->restore();

  const Ball &ball1 = balls_[balls_.size()-1];
  std::ostringstream info;
  info << "x = " << ball1.p.x << "\ny = " << ball1.p.y;
  infobox_.show(cr,width,height,info.str());

  return true;
}
コード例 #7
0
void
HomVectorDrawer::draw(Cairo::RefPtr<Cairo::Context>& context)
{
  context->save();

  HomPoint start, end;
  if (m_offset)
    {
      start = HomPoint( m_offset->x(), m_offset->y() );
      end   = HomPoint( m_offset->x() + m_vector->x(),
			m_offset->y() + m_vector->y() );
    }
  else
    {
      start = HomPoint( 0.0, 0.0 );
      end   = HomPoint( m_vector->x(), m_vector->y() );
    }

  context->move_to( start.x(), start.y() );
  context->line_to( end.x()  , end.y()   );
  context->arc( end.x(), end.y(), 0.06, 0.0, 2.0 * M_PI);
  context->fill();

  context->stroke();
  context->restore();
}
コード例 #8
0
ファイル: NodeSurface.cpp プロジェクト: dougkelly88/3rdparty
    void NodeSurface::DrawRoundedRectangle( 
        Cairo::RefPtr<Cairo::Context> refCairo, 
        double x, 
        double y, 
        double width, 
        double height, 
        double radius,
        double red,
        double green,
        double blue,
        bool selected )
    {
        refCairo->save();

        if ( (radius > height/2.0) || (radius > width/2.0) )
        {
            radius = std::min<double>(height / 2, width / 2);
        }

        refCairo->move_to( x, y + radius );
        refCairo->arc( x + radius, y + radius, radius, sk_pi, -sk_pi / 2.0 );
        refCairo->line_to( x + width - radius, y );
        refCairo->arc( x + width - radius, y + radius, radius, -sk_pi / 2.0, 0 );
        refCairo->line_to( x + width, y + height - radius );
        refCairo->arc( x + width - radius, y + height - radius, radius, 0, sk_pi / 2.0 );
        refCairo->line_to( x + radius, y + height );
        refCairo->arc( x + radius, y + height - radius, radius, sk_pi / 2.0, sk_pi );
        refCairo->close_path();

        refCairo->set_source_rgb( red, green, blue );
        refCairo->fill_preserve();

        if ( selected == true )
        {
            refCairo->set_source_rgb( 1.0, 0.0, 0.0 );
            refCairo->set_line_width( 2 );
            refCairo->stroke();   
        }
        else
        {
            refCairo->set_source_rgb( 0.0, 0.0, 0.0 );
            refCairo->set_line_width( 1 );
            refCairo->stroke();   
        }            

        refCairo->restore();
    }
コード例 #9
0
/** Draw scale box.
 * Draws a circle with a radius of 1m around the robot.
 * @param window Gdk window
 * @param cr Cairo context to draw to. It is assumed that possible transformations
 * have been setup before.
 */
void
LaserDrawingArea::draw_scalebox(Glib::RefPtr<Gdk::Window> &window,
				const Cairo::RefPtr<Cairo::Context> &cr)
{
  cr->save();
  cr->set_source_rgba(0, 0, 0.8, 0.2);
  cr->arc(0, 0, 1.0, 0, 2 * M_PI);
  cr->stroke();
  cr->restore();
}
コード例 #10
0
void GraficoDeTorta::dibujarArco(const Cairo::RefPtr<Cairo::Context>& c,int x, int y, int radio, float angulo0, float angulo1,float r, float g, float b){
	c->set_source_rgb(1,1,1);
	c->set_line_width(2);
	c->arc(x,y,radio, angulo0, angulo1);
	c->line_to(x,y);
	c->close_path();
	c->stroke_preserve();
	c->set_source_rgb(r,g,b);
	c->fill();
}
コード例 #11
0
ファイル: node_renderer.cpp プロジェクト: DennisOSRM/alacarte
void NodeRenderer::stroke(const Cairo::RefPtr<Cairo::Context>& cr)
{
	// nothing to stroke
	if (s->width <= 0.0)
		return;

	cr->save();

	cr->arc(location.x, location.y, s->width/2.0, 0, 2*M_PI);

	cr->set_source_color(s->color);

	cr->fill();
	cr->restore();
}
コード例 #12
0
ファイル: node_renderer.cpp プロジェクト: AMDmi3/alacarte
void NodeRenderer::casing(const Cairo::RefPtr<Cairo::Context>& cr)
{
	// nothing to render
	if (s->casing_width <= 0.0)
		return;

	cr->save();

	cr->arc(location.x, location.y, s->width/2.0 + s->casing_width, 0, 2*boost::math::constants::pi<double>());

	cr->set_source_color(s->casing_color);

	cr->fill();
	cr->restore();
}
コード例 #13
0
int main() {
#ifdef CAIRO_HAS_PDF_SURFACE

	std::string filename = "image.pdf";
	int width = 600;
	int height = 400;
	Cairo::RefPtr<Cairo::PdfSurface> surface = Cairo::PdfSurface::create(
			filename, width, height);

	Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create(surface);

	cr->save(); // save the state of the context
	cr->set_source_rgb(0.86, 0.85, 0.47);
	cr->paint(); // fill image with the color
	cr->restore(); // color is back to black now

	cr->save();
	// draw a border around the image
	cr->set_line_width(20.0); // make the line wider
	cr->rectangle(0.0, 0.0, cairo_image_surface_get_width(surface->cobj()),
			height);
	cr->stroke();

	cr->set_source_rgba(0.0, 0.0, 0.0, 0.7);
	// draw a circle in the center of the image
	cr->arc(width / 2.0, height / 2.0, height / 4.0, 0.0, 2.0 * M_PI);
	cr->stroke();

	// draw a diagonal line
	cr->move_to(width / 4.0, height / 4.0);
	cr->line_to(width * 3.0 / 4.0, height * 3.0 / 4.0);
	cr->stroke();
	cr->restore();

	cr->show_page();

	std::cout << "Wrote PDF file \"" << filename << "\"" << std::endl;
	return 0;

#else

	std::cout << "You must compile cairo with PDF support for this example to work."
	<< std::endl;
	return 1;

#endif
}
コード例 #14
0
ファイル: main.cpp プロジェクト: Andreiphontes/CMake
int main()
{
  Cairo::RefPtr<Cairo::ImageSurface> surface =
    Cairo::ImageSurface::create(Cairo::FORMAT_ARGB32, 600, 400);

  Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create(surface);

  cr->save(); // save the state of the context
  cr->set_source_rgb(0.86, 0.85, 0.47);
  cr->paint();   // fill image with the color
  cr->restore(); // color is back to black now

  cr->save();
  // draw a border around the image
  cr->set_line_width(20.0); // make the line wider
  cr->rectangle(0.0, 0.0, surface->get_width(), surface->get_height());
  cr->stroke();

  cr->set_source_rgba(0.0, 0.0, 0.0, 0.7);
  // draw a circle in the center of the image
  cr->arc(surface->get_width() / 2.0, surface->get_height() / 2.0,
          surface->get_height() / 4.0, 0.0, 2.0 * M_PI);
  cr->stroke();

  // draw a diagonal line
  cr->move_to(surface->get_width() / 4.0, surface->get_height() / 4.0);
  cr->line_to(surface->get_width() * 3.0 / 4.0,
              surface->get_height() * 3.0 / 4.0);
  cr->stroke();
  cr->restore();

#ifdef CAIRO_HAS_PNG_FUNCTIONS

  std::string filename = "image.png";
  surface->write_to_png(filename);

  std::cout << "Wrote png file \"" << filename << "\"" << std::endl;

#else

  std::cout
    << "You must compile cairo with PNG support for this example to work."
    << std::endl;

#endif
}
コード例 #15
0
int main(int, char**) {
	Cairo::RefPtr<Cairo::ImageSurface> surface = Cairo::ImageSurface::create(
			Cairo::FORMAT_ARGB32, WIDTH, HEIGHT);
	Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create(surface);
	// fill background in white
	cr->set_source_rgb(1.0, 1.0, 1.0);
	cr->paint();

	// draw a little dot at the point where text will be drawn
	cr->arc(TEXT_ORIGIN_X, TEXT_ORIGIN_Y, FONT_SIZE / 4.0, 0, 2 * M_PI);
	cr->set_source_rgba(0.0, 1.0, 0.0, 0.5);
	cr->fill();

	// draw the text
	cr->move_to(TEXT_ORIGIN_X, TEXT_ORIGIN_Y);
	cr->set_source_rgb(0.8, 0.2, 0.2);
	Cairo::RefPtr<BoxFontFace> font = BoxFontFace::create();
	cr->set_font_face(font);
	cr->set_font_size(FONT_SIZE);
	cr->show_text("cairomm!");

	// Now show it with the toy text API to
	// demonstrate how the glyphs match up
	cr->move_to(TEXT_ORIGIN_X, TEXT_ORIGIN_Y);
	cr->set_source_rgba(0.2, 0.2, 0.2, 0.3);
	Cairo::RefPtr<Cairo::ToyFontFace> toy_font = Cairo::ToyFontFace::create(
			"Bitstream Charter", Cairo::FONT_SLANT_NORMAL,
			Cairo::FONT_WEIGHT_BOLD);
	cr->set_font_face(toy_font);
	cr->set_font_size(FONT_SIZE);
	cr->show_text("cairomm!");

	const char* filename = "user-font.png";
	try {
		surface->write_to_png(filename);
		std::cout << "Wrote Image " << filename << std::endl;
		return 0;
	} catch (const std::exception& e) {
		std::cout << "** Unable to write Image " << filename << std::endl;
		return 1;
	}
}
コード例 #16
0
ファイル: ej1.cpp プロジェクト: DiegoAlfonso2/taller1
							 //const Cairo::RefPtr<Cairo::Context>& cr
		virtual bool on_draw(const Cairo::RefPtr<Cairo::Context> &cr) {
			Gtk::Allocation alloc = get_allocation();
			int ancho = alloc.get_width();
			int alto = alloc.get_height();
			int x = ancho / 2;
			int y = alto / 2;
			
			int w = 3 * ancho / 4.0;
			int h = alto / 2.0;
			cr->save();
			
			cr->translate(x, y);
			cr->scale(w, h);
			cr->arc(0, 0, 1.0, 0, 2 * M_PI);
			cr->set_source_rgba(0, 0, 1.0, 0);
			// cr->fill_preserve();
			cr->restore();  // back to opaque black
			cr->stroke();
			return true;
		}
コード例 #17
0
static void
skillgui_cairo_render_ellipse(GVJ_t *job, pointf *A, int filled)
{
#ifdef USE_GVPLUGIN_TIMETRACKER
  __tt.ping_start(__ttc_ellipse);
  ++__num_ellipse;
#endif
  //printf("Render ellipse\n");
  SkillGuiCairoRenderInstructor *cri = (SkillGuiCairoRenderInstructor *)job->context;
  Cairo::RefPtr<Cairo::Context> cairo = cri->get_cairo();
  obj_state_t *obj = job->obj;

  Cairo::Matrix old_matrix;
  cairo->get_matrix(old_matrix);

  skillgui_cairo_set_penstyle(cairo, job);

  cairo->translate(A[0].x, -A[0].y);

  double rx = A[1].x - A[0].x;
  double ry = A[1].y - A[0].y;
  cairo->scale(1, ry / rx);
  cairo->move_to(rx, 0);
  cairo->arc(0, 0, rx, 0, 2 * M_PI);
  cairo->close_path();

  cairo->set_matrix(old_matrix);

  if (filled) {
    skillgui_cairo_set_color(cairo, &(obj->fillcolor));
    cairo->fill_preserve();
  }
  skillgui_cairo_set_color(cairo, &(obj->pencolor));
  cairo->stroke();

#ifdef USE_GVPLUGIN_TIMETRACKER
  __tt.ping_end(__ttc_ellipse);
#endif
}
コード例 #18
0
ファイル: output_svg.cpp プロジェクト: amolenaar/adaptagrams
void OutputFile::generate() {
    unsigned E=es.size();
    bool cleanupRoutes=false;
    if(routes==NULL) {
        cleanupRoutes=true;
        routes = new vector<straightener::Route*>(E);
        for(unsigned i=0;i<E;i++) {
            straightener::Route* r=new straightener::Route(2);
            r->xs[0]=rs[es[i].first]->getCentreX();
            r->ys[0]=rs[es[i].first]->getCentreY();
            r->xs[1]=rs[es[i].second]->getCentreX();
            r->ys[1]=rs[es[i].second]->getCentreY();
            (*routes)[i]=r;
        }
    }

#if defined (CAIRO_HAS_SVG_SURFACE) && defined (CAIRO_HAS_PDF_SURFACE)
    double width,height,r=2;
    if(rects) r=rs[0]->width()/2;
    double xmin=DBL_MAX, ymin=xmin;
    double xmax=-DBL_MAX, ymax=xmax;
    for (unsigned i=0;i<rs.size();i++) {
        double x=rs[i]->getCentreX(), y=rs[i]->getCentreY();
        xmin=min(xmin,x);
        ymin=min(ymin,y);
        xmax=max(xmax,x);
        ymax=max(ymax,y);
    }
    xmax+=2*r;
    ymax+=2*r;
    xmin-=2*r;
    ymin-=2*r;
    width=xmax-xmin;
    height=ymax-ymin;

    Cairo::RefPtr<Cairo::Context> cr;
    openCairo(cr,width,height);

    /* set background colour
    cr->save(); // save the state of the context
    cr->set_source_rgb(0.86, 0.85, 0.47);
    cr->paint();    // fill image with the color
    cr->restore();  // color is back to black now
    */

    cr->set_line_width(1.);
    cr->set_font_size(8);
    cr->save();
    if(rc) for(Clusters::const_iterator c=rc->clusters.begin();c!=rc->clusters.end();c++) {
        draw_cluster_boundary(cr,**c,xmin,ymin);
    }
    if(curvedEdges)
        draw_curved_edges(cr,es,xmin,ymin);
    else 
        draw_edges(cr,*routes,xmin,ymin);
    Cairo::TextExtents te;
    for (unsigned i=0;i<rs.size();i++) {
        if(!rects) {
            double x=rs[i]->getCentreX()-xmin, y=rs[i]->getCentreY()-ymin;
            cr->arc(x,y,r, 0.0, 2.0 * M_PI);
            cr->fill();
        } else {
            double x=rs[i]->getMinX()-xmin+0.5, y=rs[i]->getMinY()-ymin+0.5;
            std::string str;
            if(labels.size()==rs.size()) {
                str=labels[i];
            } else {
                std::stringstream s; s<<i;
                str=s.str();
            }
            cr->get_text_extents(str,te);
            /*
            double llx = x-te.width/2.-1;
            double lly = y-te.height/2.-1;
            cr->rectangle(llx,lly,te.width+2,te.height+2);
            */
            cr->rectangle(x,y,
                    rs[i]->width()-1,rs[i]->height()-1);
            cr->stroke_preserve();
            cr->save();
            cr->set_source_rgba(245./255., 233./255., 177./255., 0.6);
            cr->fill();
            cr->restore();
            if(labels.size()==rs.size()) {
                cr->move_to(x-te.x_bearing+te.width/2.,y-te.y_bearing+te.height/2.);
                cr->show_text(str);
            }
            cr->stroke();
        }
    }

    cr->show_page();

    std::cout << "Wrote file \"" << fname << "\"" << std::endl;

#else
    std::cout << 
            "WARNING: cola::OutputFile::generate(): No SVG file produced." <<
            std::endl <<
            "         You must have cairomm (and cairo with SVG support) " <<
            "this to work." << std::endl;
#endif

    if(cleanupRoutes) {
        for(unsigned i=0;i<E;i++) {
            delete (*routes)[i];
        }
        delete routes;
    }
}
コード例 #19
0
void dot(Cairo::RefPtr<Cairo::Context> & cr, double x, double y) {
    cr->arc(x, y, 
            2., 0.0, 2.0 * M_PI);
    cr->stroke();
}
コード例 #20
0
ファイル: renderer_ducks.cpp プロジェクト: berteh/synfig
void
Renderer_Ducks::render_vfunc(
	const Glib::RefPtr<Gdk::Drawable>& drawable,
	const Gdk::Rectangle& /*expose_area*/
)
{
	assert(get_work_area());
	if(!get_work_area())
		return;

	const synfig::Point window_start(get_work_area()->get_window_tl());
	const float pw(get_pw()),ph(get_ph());

	const bool solid_lines(get_work_area()->solid_lines);
	bool alternative = get_work_area()->get_alternative_mode();

	const std::list<etl::handle<Duckmatic::Bezier> >& bezier_list(get_work_area()->bezier_list());
	const std::list<handle<Duckmatic::Stroke> >& stroke_list(get_work_area()->stroke_list());
	Glib::RefPtr<Pango::Layout> layout(Pango::Layout::create(get_work_area()->get_pango_context()));

	Cairo::RefPtr<Cairo::Context> cr = drawable->create_cairo_context();

	cr->save();
	cr->set_line_cap(Cairo::LINE_CAP_BUTT);
	cr->set_line_join(Cairo::LINE_JOIN_MITER);

	// Render the strokes
	for(std::list<handle<Duckmatic::Stroke> >::const_iterator iter=stroke_list.begin();iter!=stroke_list.end();++iter)
	{
		cr->save();

		std::list<synfig::Point>::iterator iter2;
		for(iter2=(*iter)->stroke_data->begin();iter2!=(*iter)->stroke_data->end();++iter2)
		{
			cr->line_to(
				((*iter2)[0]-window_start[0])/pw,
				((*iter2)[1]-window_start[1])/ph
				);
		}

		cr->set_line_width(1.0);
		cr->set_source_rgb(
			colorconv_synfig2gdk((*iter)->color).get_red_p(),
			colorconv_synfig2gdk((*iter)->color).get_green_p(),
			colorconv_synfig2gdk((*iter)->color).get_blue_p()
			);
		cr->stroke();

		cr->restore();
	}



	// Render the beziers
	for(std::list<handle<Duckmatic::Bezier> >::const_iterator iter=bezier_list.begin();iter!=bezier_list.end();++iter)
	{
		Point p1((*iter)->p1->get_trans_point()-window_start);
		Point p2((*iter)->p2->get_trans_point()-window_start);
		Point c1((*iter)->c1->get_trans_point()-window_start);
		Point c2((*iter)->c2->get_trans_point()-window_start);
		p1[0]/=pw;p1[1]/=ph;
		p2[0]/=pw;p2[1]/=ph;
		c1[0]/=pw;c1[1]/=ph;
		c2[0]/=pw;c2[1]/=ph;

		cr->save();

		cr->move_to(p1[0], p1[1]);
		cr->curve_to(c1[0], c1[1], c2[0], c2[1], p2[0], p2[1]);

/*
		if (solid_lines)
		{
			cr->set_source_rgb(0,0,0); // DUCK_COLOR_BEZIER_1
			cr->set_line_width(3.0);
			cr->stroke_preserve();

			cr->set_source_rgb(175.0/255.0,175.0/255.0,175.0/255.0); //DUCK_COLOR_BEZIER_2
			cr->set_line_width(1.0);
			cr->stroke();
		}
		else
*/
		{
			//Solid line background
			cr->set_line_width(1.0);
			cr->set_source_rgb(0,0,0); // DUCK_COLOR_BEZIER_1
			cr->stroke_preserve();

			//Dashes
			cr->set_source_rgb(175.0/255.0,175.0/255.0,175.0/255.0); //DUCK_COLOR_BEZIER_2
			std::valarray<double> dashes(2);
			dashes[0]=5.0;
			dashes[1]=5.0;
			cr->set_dash(dashes, 0);
			cr->stroke();
		}
		cr->restore();
	}


	const DuckList duck_list(get_work_area()->get_duck_list());

	std::list<ScreenDuck> screen_duck_list;
	const float radius((abs(pw)+abs(ph))*4);

	etl::handle<Duck> hover_duck(get_work_area()->find_duck(get_work_area()->get_cursor_pos(),radius, get_work_area()->get_type_mask()));

	// Render the ducks
	for(std::list<handle<Duck> >::const_iterator iter=duck_list.begin();iter!=duck_list.end();++iter)
	{

		// If this type of duck has been masked, then skip it
		if(!(*iter)->get_type() || (!(get_work_area()->get_type_mask() & (*iter)->get_type())))
			continue;

		Point sub_trans_point((*iter)->get_sub_trans_point());
		Point sub_trans_origin((*iter)->get_sub_trans_origin());

		if (App::restrict_radius_ducks &&
			(*iter)->is_radius())
		{
			if (sub_trans_point[0] < sub_trans_origin[0])
				sub_trans_point[0] = sub_trans_origin[0];
			if (sub_trans_point[1] < sub_trans_origin[1])
				sub_trans_point[1] = sub_trans_origin[1];
		}

		Point point((*iter)->get_transform_stack().perform(sub_trans_point));
		Point origin((*iter)->get_transform_stack().perform(sub_trans_origin));

		point[0]=(point[0]-window_start[0])/pw;
		point[1]=(point[1]-window_start[1])/ph;

		bool has_connect = (*iter)->get_tangent()
		                || ((*iter)->get_type()&( Duck::TYPE_ANGLE
		                					   | Duck::TYPE_SKEW
		        		                       | Duck::TYPE_SCALE_X
		        		                       | Duck::TYPE_SCALE_Y ));
		if((*iter)->get_connect_duck())
		{
			has_connect=true;
			origin=(*iter)->get_connect_duck()->get_trans_point();
		}

		origin[0]=(origin[0]-window_start[0])/pw;
		origin[1]=(origin[1]-window_start[1])/ph;

		bool selected(get_work_area()->duck_is_selected(*iter));
		bool hover(*iter==hover_duck || (*iter)->get_hover());

		if(get_work_area()->get_selected_value_node())
		{
			synfigapp::ValueDesc value_desc((*iter)->get_value_desc());
			if (value_desc.is_valid() &&
				((value_desc.is_value_node()		&& get_work_area()->get_selected_value_node() == value_desc.get_value_node()) ||
				 (value_desc.parent_is_value_node()	&& get_work_area()->get_selected_value_node() == value_desc.get_parent_value_node())))
			{
				cr->save();

				cr->rectangle(
					round_to_int(point[0]-5),
					round_to_int(point[1]-5),
					10,
					10
					);

				cr->set_line_width(2.0);
				cr->set_source_rgb(1, 0, 0); //DUCK_COLOR_SELECTED
				cr->stroke();

				cr->restore();
			}

		}

		if((*iter)->get_box_duck())
		{
			Point boxpoint((*iter)->get_box_duck()->get_trans_point());
			boxpoint[0]=(boxpoint[0]-window_start[0])/pw;
			boxpoint[1]=(boxpoint[1]-window_start[1])/ph;
			Point tl(min(point[0],boxpoint[0]),min(point[1],boxpoint[1]));

			cr->save();

			cr->rectangle(
				round_to_int(tl[0]),
				round_to_int(tl[1]),
				round_to_int(abs(boxpoint[0]-point[0])),
				round_to_int(abs(boxpoint[1]-point[1]))
				);

			// Solid white box
			cr->set_line_width(1.0);
			cr->set_source_rgb(1,1,1); //DUCK_COLOR_BOX_1
			cr->stroke_preserve();

			// Dashes
			cr->set_source_rgb(0,0,0); //DUCK_COLOR_BOX_2
			std::valarray<double> dashes(2);
			dashes[0]=5.0;
			dashes[1]=5.0;
			cr->set_dash(dashes, 0);
			cr->stroke();

			cr->restore();
		}

		if((*iter)->is_axes_tracks())
		{
			Point pos((*iter)->get_point());
			Point points[] = {
				(*iter)->get_sub_trans_origin(),
				(*iter)->get_sub_trans_point(Point(pos[0],0)),
				(*iter)->get_sub_trans_point(),
				(*iter)->get_sub_trans_point(Point(0,pos[1])),
				(*iter)->get_sub_trans_origin()
			};

			cr->save();

			for(int i = 0; i < 5; i++) {
				Point p((*iter)->get_transform_stack().perform(points[i]));
				Real x = (p[0]-window_start[0])/pw;
				Real y = (p[1]-window_start[1])/ph;
				if (i == 0) cr->move_to(x, y); else cr->line_to(x, y);
			}

			// Solid white box
			cr->set_line_width(1.0);
			cr->set_source_rgb(1,1,1); //DUCK_COLOR_BOX_1
			cr->stroke_preserve();

			// Dashes
			cr->set_source_rgb(0,0,0); //DUCK_COLOR_BOX_2
			std::valarray<double> dashes(2);
			dashes[0]=5.0;
			dashes[1]=5.0;
			cr->set_dash(dashes, 0);
			cr->stroke();

			cr->restore();
		}

		ScreenDuck screen_duck;
		screen_duck.pos=point;
		screen_duck.selected=selected;
		screen_duck.hover=hover;
		screen_duck.has_alternative=(*iter)->get_alternative_value_desc().is_valid();

		if(!(*iter)->get_editable(alternative))
			screen_duck.color=(DUCK_COLOR_NOT_EDITABLE);
		else if((*iter)->get_tangent())
			if(0){
				// Tangents have different color depending on the split state (disabled for now)
				//
				// Check if we can reach the canvas and set the time to
				// evaluate the split value accordingly
				synfig::Canvas::Handle canvas_h(get_work_area()->get_canvas());
				synfig::Time time(canvas_h?canvas_h->get_time():synfig::Time(0));
				// Retrieve the split value of the bline point.
				const synfigapp::ValueDesc& v_d((*iter)->get_value_desc());
				synfig::LinkableValueNode::Handle parent;
				if(v_d.parent_is_linkable_value_node())
				{
					parent=v_d.get_parent_value_node();
					bool split;
					synfig::ValueNode::Handle child(parent->get_link("split"));
					if(synfig::ValueNode_Animated::Handle::cast_dynamic(child))
					{
						synfig::ValueNode_Animated::Handle animated_child(synfig::ValueNode_Animated::Handle::cast_dynamic(child));
						split=animated_child->new_waypoint_at_time(time).get_value(time).get(split);
					}
					else if(synfig::ValueNode_Const::Handle::cast_dynamic(child))
					{
						synfig::ValueNode_Const::Handle const_child(synfig::ValueNode_Const::Handle::cast_dynamic(child));
						split=(const_child->get_value()).get(split);
					}
					screen_duck.color=(split? DUCK_COLOR_TANGENT_2 : DUCK_COLOR_TANGENT_1);
				}
				else
					screen_duck.color=DUCK_COLOR_TANGENT_1;
			} else {
				// All tangents are the same color
				screen_duck.color=((*iter)->get_scalar()<0 ? DUCK_COLOR_TANGENT_1 : DUCK_COLOR_TANGENT_1);
			}
		else if((*iter)->get_type()&Duck::TYPE_VERTEX)
			screen_duck.color=DUCK_COLOR_VERTEX;
		else if((*iter)->get_type()&Duck::TYPE_RADIUS)
			screen_duck.color=((*iter)->is_linear() ? DUCK_COLOR_LINEAR : DUCK_COLOR_RADIUS);
		else if((*iter)->get_type()&Duck::TYPE_WIDTH)
			screen_duck.color=DUCK_COLOR_WIDTH;
		else if((*iter)->get_type()&Duck::TYPE_ANGLE)
			screen_duck.color=(DUCK_COLOR_ANGLE);
		else if((*iter)->get_type()&Duck::TYPE_WIDTHPOINT_POSITION)
			screen_duck.color=(DUCK_COLOR_WIDTHPOINT_POSITION);
		else
			screen_duck.color=DUCK_COLOR_OTHER;

		screen_duck_list.push_front(screen_duck);

		if(has_connect)
		{
			cr->save();

			cr->move_to(origin[0], origin[1]);
			cr->line_to(point[0], point[1]);

			if(solid_lines)
			{
				// Outside
				cr->set_line_width(3.0);
				cr->set_source_rgb(0,0,0); //DUCK_COLOR_CONNECT_OUTSIDE
				cr->stroke_preserve();

				// Inside
				cr->set_line_width(1.0);
				cr->set_source_rgb(159.0/255,239.0/255,239.0/255); //DUCK_COLOR_CONNECT_INSIDE
				cr->stroke();
			}
			else
			{
				// White background
				cr->set_line_width(1.0);
				cr->set_source_rgb(0,0,0); //DUCK_COLOR_CONNECT_OUTSIDE
				cr->stroke_preserve();

				// Dashes on top of the background
				cr->set_source_rgb(159.0/255,239.0/255,239.0/255); //DUCK_COLOR_CONNECT_INSIDE
				std::valarray<double> dashes(2);
				dashes[0]=5.0;
				dashes[1]=5.0;
				cr->set_dash(dashes, 0);
				cr->stroke();
			}

			cr->restore();
		}

		if((*iter)->is_radius())
		{
			if (!(*iter)->is_linear())
			{
				const Real mag((point-origin).mag());

				cr->save();

				cr->arc(
					origin[0],
					origin[1],
					mag,
					0,
					M_PI*2
					);

				if(solid_lines)
				{
					cr->set_line_width(3.0);
					cr->set_source_rgb(0,0,0);
					cr->stroke_preserve();

					cr->set_source_rgb(175.0/255.0,175.0/255.0,175.0/255.0);
				}
				else
				{
					cr->set_source_rgb(1.0,1.0,1.0);

					// Operator difference was added in Cairo 1.9.4
					// It currently isn't supported by Cairomm
	#if CAIRO_VERSION >= 10904
					cairo_set_operator(cr->cobj(), CAIRO_OPERATOR_DIFFERENCE);
	#else
					// Fallback: set color to black
					cr->set_source_rgb(0,0,0);
	#endif

				}

				cr->set_line_width(1.0);
				cr->stroke();

				cr->restore();
			}

			if(hover)
			{
				Real mag;
				if ((*iter)->get_exponential()){
					mag = log((*iter)->get_point().mag());
				}
				else if (App::restrict_radius_ducks)
				{
					Point sub_trans_point((*iter)->get_sub_trans_point());
					Point sub_trans_origin((*iter)->get_sub_trans_origin());

					if (sub_trans_point[0] < sub_trans_origin[0])
						sub_trans_point[0] = sub_trans_origin[0];
					if (sub_trans_point[1] < sub_trans_origin[1])
						sub_trans_point[1] = sub_trans_origin[1];

					Point point((*iter)->get_transform_stack().perform(sub_trans_point));
					Point origin((*iter)->get_transform_stack().perform(sub_trans_origin));

					mag = (point-origin).mag();
				}
				else
					mag = ((*iter)->get_trans_point()-(*iter)->get_trans_origin()).mag();

				Distance real_mag(mag, Distance::SYSTEM_UNITS);
				if (!(*iter)->get_exponential())
					real_mag.convert(App::distance_system,get_work_area()->get_rend_desc());

				cr->save();

				layout->set_text(real_mag.get_string());

				cr->set_source_rgb(0,0,0); // DUCK_COLOR_WIDTH_TEXT_1
				cr->move_to(
					point[0]+1+6,
					point[1]+1-8
					);
				layout->show_in_cairo_context(cr);
				cr->stroke();


				cr->set_source_rgb(1,0,1); // DUCK_COLOR_WIDTH_TEXT_2
				cr->move_to(
					point[0]+6,
					point[1]-8
					);
				layout->show_in_cairo_context(cr);
				cr->stroke();

				cr->restore();
			}

		}

		if((*iter)->get_type()&&Duck::TYPE_WIDTHPOINT_POSITION)
		{
			if(hover)
			{
				synfig::Canvas::Handle canvas_h(get_work_area()->get_canvas());
				synfig::Time time(canvas_h?canvas_h->get_time():synfig::Time(0));
				synfigapp::ValueDesc value_desc((*iter)->get_value_desc());
				synfig::ValueNode_WPList::Handle wplist=NULL;
				ValueNode_Composite::Handle wpoint_composite=NULL;
				Real radius=0.0;
				Real new_value;
				Point p(sub_trans_point-sub_trans_origin);
				if(value_desc.parent_is_value_node())
					wplist=synfig::ValueNode_WPList::Handle::cast_dynamic(value_desc.get_parent_value_node());
				if(wplist)
				{
					bool wplistloop(wplist->get_loop());
					synfig::ValueNode_BLine::Handle bline(synfig::ValueNode_BLine::Handle::cast_dynamic(wplist->get_bline()));
					wpoint_composite=ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node());
					if(bline && wpoint_composite)
					{
						bool blineloop(bline->get_loop());
						bool homogeneous=false;
						// Retrieve the homogeneous layer parameter
						std::set<Node*>::iterator iter;
						for(iter=wplist->parent_set.begin();iter!=wplist->parent_set.end();++iter)
							{
								Layer::Handle layer;
								layer=Layer::Handle::cast_dynamic(*iter);
								if(layer && layer->get_name() == "advanced_outline")
								{
									homogeneous=layer->get_param("homogeneous").get(bool());
									break;
								}
							}
						WidthPoint wp((*wpoint_composite)(time).get(WidthPoint()));
						if(wplistloop)
						{
							// The wplist is looped. This may require a position parameter
							// outside the range of 0-1, so make sure that the position doesn't
							// change drastically.
							// First normalise the current position
							Real value_old(wp.get_norm_position(wplistloop));
							Real value_old_b(wp.get_bound_position(wplistloop));
							// If it is homogeneous then convert it to standard
							value_old=homogeneous?hom_to_std((*bline)(time), value_old, wplistloop, blineloop):value_old;
							// grab a new position given by duck's position on the bline
							Real value_new = synfig::find_closest_point((*bline)(time), p , radius, blineloop);
							// calculate the difference between old and new positions
							Real difference = fmod( fmod(value_new - value_old, 1.0) + 1.0 , 1.0);
							//fmod is called twice to avoid negative values
							if (difference > 0.5)
								difference=difference-1.0;
							// calculate a new value for the position
							new_value=value_old+difference;
							// restore the homogeneous value if needed
							new_value = homogeneous?std_to_hom((*bline)(time), new_value, wplistloop, blineloop):new_value;
							// this is the difference between the new value and the old value inside the boundaries
							Real bound_diff((wp.get_lower_bound() + new_value*(wp.get_upper_bound()-wp.get_lower_bound()))-value_old_b);
							// add the new diff to the current value
							new_value = wp.get_position() + bound_diff;
						}
						else
						{
							// grab a new position given by duck's position on the bline
							new_value = synfig::find_closest_point((*bline)(time), p , radius, blineloop);
							// if it is homogeneous then convert to it
							new_value=homogeneous?std_to_hom((*bline)(time), new_value, wplistloop, blineloop):new_value;
							// convert the value inside the boundaries
							new_value = wp.get_lower_bound()+new_value*(wp.get_upper_bound()-wp.get_lower_bound());
						}
						cr->save();
						layout->set_text(strprintf("%2.3f", new_value));

						cr->set_source_rgb(0,0,0); // DUCK_COLOR_WIDTH_TEXT_1
						cr->move_to(
							point[0]+1+6,
							point[1]+1-18
							);
						layout->show_in_cairo_context(cr);
						cr->stroke();


						cr->set_source_rgb(1,0,1); // DUCK_COLOR_WIDTH_TEXT_2
						cr->move_to(
							point[0]+6,
							point[1]-18
							);
						layout->show_in_cairo_context(cr);
						cr->stroke();

						cr->restore();
					}
				}
			}
		}

	}

	for(;screen_duck_list.size();screen_duck_list.pop_front())
	{
		Gdk::Color color(screen_duck_list.front().color);
		double radius = 4;
		double outline = 1;
		bool duck_alternative = alternative && screen_duck_list.front().has_alternative;

		// Draw the hovered duck last (on top of everything)
		if(screen_duck_list.front().hover && !screen_duck_list.back().hover && screen_duck_list.size()>1)
		{
			screen_duck_list.push_back(screen_duck_list.front());
			continue;
		}

		cr->save();

		if(!screen_duck_list.front().selected)
		{
			color.set_red(color.get_red()*2/3);
			color.set_green(color.get_green()*2/3);
			color.set_blue(color.get_blue()*2/3);
		}

		if(screen_duck_list.front().hover)
		{
			radius += 1;
			outline += 1;
		}

		cr->arc(
			screen_duck_list.front().pos[0],
			screen_duck_list.front().pos[1],
			radius,
			0,
			M_PI*2
			);

		cr->set_source_rgba(
			color.get_red_p(),
			color.get_green_p(),
			color.get_blue_p(),
			duck_alternative ? 0.5 : 1.0
			);
		cr->fill_preserve();

		cr->set_line_width(outline);
		cr->set_source_rgba(0,0,0,1); //DUCK_COLOR_OUTLINE
		cr->stroke();

		cr->restore();
	}
}
コード例 #21
0
/** Draw person legs.
 * Draws the legs of persons
 * @param window Gdk window
 * @param cr Cairo context to draw to. It is assumed that possible transformations
 * have been setup before.
 */
void
LaserDrawingArea::draw_persons_legs(Glib::RefPtr<Gdk::Window> &window,
				    const Cairo::RefPtr<Cairo::Context> &cr)
{
  std::list<ObjectPositionInterface*>::iterator objpos_if_itt;;

  cr->save();
  if (__l_objpos_if_persons) {
    cr->set_source_rgb(0,0,1);
    for( objpos_if_itt = __l_objpos_if_persons->begin(); 
	 objpos_if_itt != __l_objpos_if_persons->end()  && (*objpos_if_itt)->has_writer();
	 objpos_if_itt++ ) {
      if(!__break_drawing)
	(*objpos_if_itt)->read();
      if ((*objpos_if_itt)->is_valid()){
	std::pair<float,float> pos = transform_coords_from_fawkes((*objpos_if_itt)->relative_x(), (*objpos_if_itt)->relative_y());
	float x=pos.first;
	float y=pos.second;
	cr->move_to(x, y);
	//      cr->arc(x, y, std::max((*objpos_if_itt)->extent_x(),(*objpos_if_itt)->extent_y()), 0, 2*M_PI);
	cr->arc(x, y, 0.2, 0, 2*M_PI);
      }
    }
    cr->stroke();
  }

  if (__l_objpos_if_legs) {
    cr->set_source_rgb(0,1,0);
    for( objpos_if_itt = __l_objpos_if_legs->begin(); 
	 objpos_if_itt != __l_objpos_if_legs->end() && (*objpos_if_itt)->has_writer() ; 
	 objpos_if_itt++ ) {
      if(!__break_drawing)
	(*objpos_if_itt)->read();
      if ((*objpos_if_itt)->is_valid()){
	std::pair<float,float> pos = transform_coords_from_fawkes((*objpos_if_itt)->relative_x(), (*objpos_if_itt)->relative_y());
	float x=pos.first;
	float y=pos.second;
	cr->move_to(x, y);
	cr->arc(x, y, 0.1, 0, 2*M_PI);
      }
    }
    cr->stroke();
  }
  
  if (__l_objpos_if_misc) {
    cr->set_source_rgb(0,1,1);
    for( objpos_if_itt = __l_objpos_if_misc->begin(); 
	 objpos_if_itt != __l_objpos_if_misc->end() && (*objpos_if_itt)->has_writer() ; 
	 objpos_if_itt++ ) {
      if(!__break_drawing)
	(*objpos_if_itt)->read();
      if ((*objpos_if_itt)->is_valid()){
	//      switch( (*objpos_if_itt)->object_type() ){
	//      case ObjectPositionInterface::TYPE_BALL:
	//TYPE_OPPONENT
	if((*objpos_if_itt)->object_type()==ObjectPositionInterface::TYPE_BALL){
	  std::pair<float,float> pos = transform_coords_from_fawkes((*objpos_if_itt)->relative_x(), (*objpos_if_itt)->relative_y());
	  float x=pos.first;
	  float y=pos.second;
	  pos = transform_coords_from_fawkes((*objpos_if_itt)->world_x(), (*objpos_if_itt)->world_y());
	  float begin_x=pos.first;
	  float begin_y=pos.second;
	  pos = transform_coords_from_fawkes((*objpos_if_itt)->world_x_velocity(), (*objpos_if_itt)->world_y_velocity());
	  float end_x= pos.first;
	  float end_y= pos.first;
	  float angle1=atan2(begin_y- y, begin_x - x);
	  float angle2=atan2(end_y- y, end_x - x);
	  float radius=(*objpos_if_itt)->relative_x_velocity();
	  float probability = (*objpos_if_itt)->relative_z_velocity();
	  cr->move_to(begin_x, begin_y);
	  cr->arc(x, y, radius, angle2, angle1);

	  //	Cairo::TextExtents te;
	  std::string t = StringConversions::to_string(probability);
	  t.erase(5);
	  //	  cr->set_source_rgb(0,1 ,1);
	  cr->set_font_size(0.08);
	  //	cr->get_text_extents(t, te);
	  //	cr->move_to(- te.width / 2, -te.height / 2);
	  cr->move_to(begin_x, begin_y);
	  cr->show_text(t);
	  //	  cr->set_source_rgb(0,0,1);
	
	  //	break;
	  //      case ObjectPositionInterface::TYPE_LINE:
	}else if((*objpos_if_itt)->object_type()==ObjectPositionInterface::TYPE_LINE){
	  std::pair<float,float> pos = transform_coords_from_fawkes((*objpos_if_itt)->world_x(), (*objpos_if_itt)->world_y());
	  float begin_x=pos.first;
	  float begin_y=pos.second;
	  pos = transform_coords_from_fawkes((*objpos_if_itt)->world_x_velocity(), (*objpos_if_itt)->world_y_velocity());
	  float end_x= pos.first;
	  float end_y= pos.first;
	  cr->move_to(begin_x, begin_y);
	  cr->line_to(end_x, end_y);
	  //break;
	}
      }
    }
    //  cr->fill_preserve();
    cr->stroke();
  }

  cr->set_source_rgb(1,0,1);

  float r,g,b;
  r=g=b=0.0;
  int color_it=0;
  float delta = 0.25;


  if (__l_track_if) {

    std::list<Position2DTrackInterface*>::iterator track_if_itt;;  
    const float radius (0.1);
    float* x_positions1;
    float* y_positions1;
    int* timestamps1;
    float* x_positions2 = NULL;
    float* y_positions2 = NULL;
    unsigned int track_length1 = 0;
    unsigned int track_length2 = 0;
    int* timestamps2 = NULL;
    unsigned int id;
    cr->set_font_size(0.03);
#ifdef LASERGUI_DEBUG_PRINT_TRACKS
    printf("\n\n################################\n");
#endif
    for( track_if_itt = __l_track_if->begin(); 
	 track_if_itt != __l_track_if->end() && (*track_if_itt)->has_writer();) {
      bool b_compound_track(false);
      if(!__break_drawing)
	(*track_if_itt)->read();
      if ((*track_if_itt)->is_valid()){
	x_positions1=(*track_if_itt)->track_x_positions();
	y_positions1=(*track_if_itt)->track_y_positions();
	timestamps1=(*track_if_itt)->track_timestamps();
	track_length1 = (*track_if_itt)->length();
	id = (*track_if_itt)->track_id();
	++track_if_itt;
	if( track_if_itt != __l_track_if->end() && (*track_if_itt)->has_writer()){
	  if(!__break_drawing)
	    (*track_if_itt)->read();
	  if( (*track_if_itt)->is_valid() && (*track_if_itt)->track_id()==id ){
	    b_compound_track = true;
	    x_positions2=(*track_if_itt)->track_x_positions();
	    y_positions2=(*track_if_itt)->track_y_positions();
	    timestamps2=(*track_if_itt)->track_timestamps();
	    track_length2 = (*track_if_itt)->length();
	    ++track_if_itt;
	  }
	}
#ifdef LASERGUI_DEBUG_PRINT_TRACKS
	printf("\n    trackid %d\n", id);
#endif
	unsigned int i(0);
	unsigned int j(0);
	float x = x_positions1[i];
	float y = y_positions1[i];
	if(b_compound_track){
	  while(j+1 < track_length2 && timestamps2[j] < timestamps1[i]){
	    ++j;
	  }
	  if(timestamps2[j] == timestamps1[i]){
	    x += x_positions2[i];
	    x /= 2;
	    y += y_positions2[i];
	    y /=2;
	  }
	}
	std::pair<float,float> pos = transform_coords_from_fawkes(x,y);
	cr->move_to(pos.first,pos.second);
	for (; i < track_length1; ++i){
	  x = x_positions1[i];
	  y = y_positions1[i];
	  if(b_compound_track){
	    while(j+1 < track_length2 && timestamps2[j] < timestamps1[i]){
	      ++j;
	    }
	    if(timestamps2[j] == timestamps1[i]){
	      x += x_positions2[i];
	      x /= 2;
	      y += y_positions2[i];
	      y /=2;
	    }
	  }
	  std::pair<float,float> pos = transform_coords_from_fawkes(x,y);
	  //cr->move_to(pos.first - radius, pos.second);
	  //	  cr->arc(pos.first, pos.second, radius, 0, 2*M_PI);
	  cr->line_to(pos.first, pos.second);
	  //	cr->rectangle(x_positions[i], y_positions[i], 4 / __zoom_factor, 4 / __zoom_factor);
	
	  //	std::string t = StringConversions::toString(id) + "-" + StringConversions::toString(timestamps[i]);
	  std::string t = StringConversions::to_string(timestamps1[i]);
	  //      cr->move_to(begin_x, begin_y);
	  cr->show_text(t);
	  cr->move_to(pos.first, pos.second);
#ifdef LASERGUI_DEBUG_PRINT_TRACKS
	  printf("( %f,%f,[%d] )", pos.first, pos.second, timestamps1[i] );
#endif
	}

	// chose color    
	if (div(color_it,3).rem == 0) r+= delta;
	if (div(color_it,3).rem == 1) g+= delta;
	if (div(color_it,3).rem == 2) b+= delta;
	cr->set_source_rgb(r,g,b);
	color_it++;

	cr->stroke();
	
	
	i = std::max(0, (int) track_length1 - CFG_PRINT_NR_TRACKELEMENTS);
	j = 0;
	for (; i < track_length1; ++i){
	  x = x_positions1[i];
	  y = y_positions1[i];
	  if(b_compound_track){
	    while(j+1 < track_length2 && timestamps2[j] < timestamps1[i]){
	      ++j;
	    }
	  }
	  
	  std::pair<float,float> pos = transform_coords_from_fawkes(x_positions1[i],y_positions1[i]);
	  cr->move_to(pos.first - radius, pos.second);
	  cr->arc(pos.first, pos.second, radius, 0, 2*M_PI);
	  
	  if(b_compound_track && timestamps2[j] == timestamps1[i]){
	    cr->move_to(pos.first, pos.second);
	    
	    std::pair<float,float> pos = transform_coords_from_fawkes(x_positions2[j],y_positions2[j]);
	    cr->line_to(pos.first, pos.second);
	    cr->move_to(pos.first - radius, pos.second);
	    cr->arc(pos.first, pos.second, radius, 0, 2*M_PI);
	  }
	}
	cr->set_source_rgb(0,0,1);
	cr->stroke();
	
      }
      else{
	break;
      }
    }
  }
  
  /*  DRAW TARGET */
  if(__target_if && __target_if->has_writer()){
    __target_if->read();
    if(__target_if->is_valid()){
      cr->set_source_rgb(1,0,0);
      std::pair<float,float> pos = transform_coords_from_fawkes(__target_if->relative_x(), __target_if->relative_y());
      float x=pos.first;
      float y=pos.second;
      float radius = 0.1;

      cr->move_to(x, y);
      cr->arc(x, y, radius, 0, 2*M_PI);
      cr->move_to(x - radius, y);
      cr->line_to(x + radius, y);
      cr->move_to(x, y - radius );
      cr->line_to(x, y + radius);
      cr->stroke();
    }
  }


  /*
  float r,g,b;
  r=g=b=0.0;
  float delta = 0.2;
  for (int i = 0; i< 15 ; i++){
    
    if (div(i,3).rem == 0) r+= delta;
    if (div(i,3).rem == 1) g+= delta;
    if (div(i,3).rem == 2) b+= delta;
    //    printf("i %d rem %d| r %f, g %f, b %f\n", i, div(i,3).rem,r,g,b);
    cr->move_to(0, (i+1)*0.125);
    cr->set_source_rgb(r,g,b);
    cr->rectangle(0, (i+1)*0.125, 0.1 , 0.1 );
    cr->fill_preserve();
    cr->stroke();
  }
  */
  //  cr->stroke();

  cr->restore();
}
コード例 #22
0
void VistaIdentificador::dibujar(Cairo::RefPtr<Cairo::Context> cr) {
	std::vector<VistaAtributo *>::iterator i;
	std::vector<VistaUnionEntidadRelacion *>::iterator j;
	cr->set_line_width(1);
	if (!this->seleccionado) {
		cr->set_source_rgb(colorNegro.get_red_p(), colorNegro.get_green_p(),
				colorNegro.get_blue_p());
	} else {
		cr->set_source_rgb(colorDeSeleccion.get_red_p(), colorDeSeleccion.get_green_p(),
				colorDeSeleccion.get_blue_p());
	}

	double x0, x1, y0, y1;

	if (this->vistasAtributo.size() == 1) {
		if (this->vistasEntidadesFuertes.empty()) {
			this->vistasAtributo[0]->setEsIdentificador(true);
			this->vistasAtributo[0]->dibujar(cr);
		} else {
			this->vistasAtributo[0]->getPuntoMedioLinea(x0, y0);
			cr->arc(x0, y0, RADIO_CIRCULOS_REDIMENSION, 0, 2 * M_PI);
			cr->fill();
			cr->move_to(x0, y0);
			for (j = this->vistasEntidadesFuertes.begin(); j != this->vistasEntidadesFuertes.end();
					j++) {
				(*j)->getPuntoMedioLinea(x1, y1);
				cr->line_to(x1, y1);
				cr->stroke();
				cr->arc(x1, y1, RADIO_CIRCULOS_REDIMENSION, 0, 2 * M_PI);
				cr->fill();
				cr->move_to(x0, y0);
			}
			cr->stroke();
		}
	} else {
		this->vistasAtributo[0]->getPuntoMedioLinea(x0, y0);
		cr->arc(x0, y0, RADIO_CIRCULOS_REDIMENSION, 0, 2 * M_PI);
		cr->fill();
		cr->move_to(x0, y0);

		for (i = (this->vistasAtributo.begin() + 1); i != this->vistasAtributo.end(); i++) {
			(*i)->getPuntoMedioLinea(x1, y1);
			cr->line_to(x1, y1);
			cr->stroke();
			cr->arc(x1, y1, RADIO_CIRCULOS_REDIMENSION, 0, 2 * M_PI);
			cr->fill();
			cr->move_to(x1, y1);
		}
		cr->stroke();
		if (!this->vistasEntidadesFuertes.empty()) {
			cr->move_to(x0, y0);
			for (j = this->vistasEntidadesFuertes.begin(); j != this->vistasEntidadesFuertes.end();
					j++) {
				(*j)->getPuntoMedioLinea(x1, y1);
				cr->line_to(x1, y1);
#if DEBUG_DIBUJAR==1
				cout << "X1=" << x1 << " Y1=" << y1 << endl;
#endif
				cr->stroke();
				cr->arc(x1, y1, RADIO_CIRCULOS_REDIMENSION, 0, 2 * M_PI);
				cr->fill();
				cr->move_to(x0, y0);
			}
			cr->stroke();
		}
	}

	/*if (this->vistaAtributos.empty()) {
	 double radio;
	 radio = 3;
	 centro_x = this->pos_ini_x + radio;
	 centro_y = this->pos_ini_y + radio;

	 this->pos_fin_x = centro_x + radio;
	 this->pos_fin_y = centro_y + radio;

	 //cr->move_to(centro_x, this->pos_ini_y);
	 cr->arc(centro_x, centro_y, radio, 0, 2 * M_PI);
	 // TODO if es parte de una clave candidata FILL
	 //cr->fill();
	 cr->stroke();
	 } else {
	 double delta_x, delta_y;
	 if (this->pos_fin_x < this->pos_ini_x || this->pos_fin_y < this->pos_ini_y) {
	 cr->get_text_extents(this->atributo->getNombre(), textExtents);
	 this->calcularDimensionesAPartirDeTexto(&textExtents);
	 }
	 // Dibujo una elipse
	 centro_x = (this->pos_ini_x + this->pos_fin_x) / 2;
	 centro_y = (this->pos_ini_y + this->pos_fin_y) / 2;
	 delta_x = centro_x - this->pos_ini_x;
	 delta_y = centro_y - this->pos_ini_y;

	 this->dibujarNombreCentrado(cr, this->atributo->getNombre());

	 cr->save();
	 cr->set_line_width(2 / MAX(delta_x, delta_y));// make (centro_x, centro_y) == (0, 0)
	 cr->translate(centro_x, centro_y);
	 cr->scale(delta_x, delta_y);
	 cr->arc(0.0, 0.0, 1.0, 0.0, 2 * M_PI);
	 cr->stroke();
	 cr->restore(); // back to opaque black
	 if (this->seleccionado) {
	 dibujarCirculosDeRedimension(cr);
	 }
	 }*/
}
コード例 #23
0
ファイル: gui_gtkmm.cpp プロジェクト: an1ka/xinput_calibrator
bool CalibrationArea::on_expose_event(GdkEventExpose *event)
{
    // check that screensize did not change
    if (display_width != get_width() ||
         display_height != get_height()) {
        set_display_size(get_width(), get_height());
    }

    Glib::RefPtr<Gdk::Window> window = get_window();
    if (window) {
        Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
        cr->save();

        cr->rectangle(event->area.x, event->area.y, event->area.width, event->area.height);
        cr->clip();

        // Print the text
        cr->set_font_size(font_size);
        double text_height = -1;
        double text_width = -1;
        Cairo::TextExtents extent;
        for (int i = 0; i != help_lines; i++) {
            cr->get_text_extents(help_text[i], extent);
            text_width = std::max(text_width, extent.width);
            text_height = std::max(text_height, extent.height);
        }
        text_height += 2;

        double x = (display_width - text_width) / 2;
        double y = (display_height - text_height) / 2 - 60;
        cr->set_line_width(2);
        cr->rectangle(x - 10, y - (help_lines*text_height) - 10,
                text_width + 20, (help_lines*text_height) + 20);

        // Print help lines
        y -= 3;
        for (int i = help_lines-1; i != -1; i--) {
            cr->get_text_extents(help_text[i], extent);
            cr->move_to(x + (text_width-extent.width)/2, y);
            cr->show_text(help_text[i]);
            y -= text_height;
        }
        cr->stroke();

        // Draw the points
        for (int i = 0; i <= calibrator->get_numclicks(); i++) {
            // set color: already clicked or not
            if (i < calibrator->get_numclicks())
                cr->set_source_rgb(1.0, 1.0, 1.0);
            else
                cr->set_source_rgb(0.8, 0.0, 0.0);

            cr->set_line_width(1);
            cr->move_to(X[i] - cross_lines, Y[i]);
            cr->rel_line_to(cross_lines*2, 0);
            cr->move_to(X[i], Y[i] - cross_lines);
            cr->rel_line_to(0, cross_lines*2);
            cr->stroke();

            cr->arc(X[i], Y[i], cross_circle, 0.0, 2.0 * M_PI);
            cr->stroke();
        }

        // Draw the clock background
        cr->arc(display_width/2, display_height/2, clock_radius/2, 0.0, 2.0 * M_PI);
        cr->set_source_rgb(0.5, 0.5, 0.5);
        cr->fill_preserve();
        cr->stroke();

        cr->set_line_width(clock_line_width);
        cr->arc(display_width/2, display_height/2, (clock_radius - clock_line_width)/2,
             3/2.0*M_PI, (3/2.0*M_PI) + ((double)time_elapsed/(double)max_time) * 2*M_PI);
        cr->set_source_rgb(0.0, 0.0, 0.0);
        cr->stroke();


        // Draw the message (if any)
        if (message != NULL) {
            // Frame the message
            cr->set_font_size(font_size);
            Cairo::TextExtents extent;
            cr->get_text_extents(this->message, extent);
            text_width = extent.width;
            text_height = extent.height;

            x = (display_width - text_width) / 2;
            y = (display_height - text_height + clock_radius) / 2 + 60;
            cr->set_line_width(2);
            cr->rectangle(x - 10, y - text_height - 10,
                    text_width + 20, text_height + 25);

            // Print the message
            cr->move_to(x, y);
            cr->show_text(this->message);
            cr->stroke();
        }

        cr->restore();
    }

    return true;
}
コード例 #24
0
ファイル: huitu___.cpp プロジェクト: zzzzzzzzzzz0/zhscript
	void arc__(Glib::ustring& d1,Glib::ustring& d2,Glib::ustring& d3,Glib::ustring& d4,Glib::ustring& d5){
		cr_->arc(s2f__(d1),s2f__(d2),s2f__(d3),s2f__(d4),s2f__(d5));
	}
コード例 #25
0
ファイル: huitu___.cpp プロジェクト: zzzzzzzzzzz0/zhscript
void area___::test__(){
	int width, height;
	width=da_->get_allocation().get_width();
	height=da_->get_allocation().get_height();

	double m_radius=0.42;
	double m_line_width=0.05;

	// scale to unit square and translate (0, 0) to be (0.5, 0.5), i.e.
	// the center of the window
	cr_->scale(width, height);
	cr_->translate(0.5, 0.5);
	cr_->set_line_width(m_line_width);

	cr_->save();
	cr_->set_source_rgba(0.337, 0.612, 0.117, 0.9);   // green
	cr_->paint();
	cr_->restore();
	cr_->arc(0, 0, m_radius, 0, 2 * M_PI);
	cr_->save();
	cr_->set_source_rgba(1.0, 1.0, 1.0, 0.8);
	cr_->fill_preserve();
	cr_->restore();
	cr_->stroke_preserve();
	cr_->clip();

	//clock ticks
	for (int i = 0; i < 12; i++)
	{
		double inset = 0.05;

		cr_->save();
		cr_->set_line_cap(Cairo::LINE_CAP_ROUND);

		if(i % 3 != 0)
		{
			inset *= 0.8;
			cr_->set_line_width(0.03);
		}

		cr_->move_to(
				(m_radius - inset) * cos (i * M_PI / 6),
				(m_radius - inset) * sin (i * M_PI / 6));
		cr_->line_to (
				m_radius * cos (i * M_PI / 6),
				m_radius * sin (i * M_PI / 6));
		cr_->stroke();
		cr_->restore(); // stack-pen-size
	}

	// store the current time
	time_t rawtime;
	time(&rawtime);
	struct tm * timeinfo = localtime (&rawtime);

	// compute the angles of the indicators of our clock
	double minutes = timeinfo->tm_min * M_PI / 30;
	double hours = timeinfo->tm_hour * M_PI / 6;
	double seconds= timeinfo->tm_sec * M_PI / 30;
	cout<<timeinfo->tm_min<<","<<timeinfo->tm_hour<<","<<timeinfo->tm_sec<<endl;

	cr_->save();
	cr_->set_line_cap(Cairo::LINE_CAP_ROUND);

	// draw the seconds hand
	cr_->save();
	cr_->set_line_width(m_line_width / 3);
	cr_->set_source_rgba(0.7, 0.7, 0.7, 0.8); // gray
	cr_->move_to(0, 0);
	cr_->line_to(sin(seconds) * (m_radius * 0.9),
			-cos(seconds) * (m_radius * 0.9));
	cr_->stroke();
	cr_->restore();

	// draw the minutes hand
	cr_->set_source_rgba(0.117, 0.337, 0.612, 0.9);   // blue
	cr_->move_to(0, 0);
	cr_->line_to(sin(minutes + seconds / 60) * (m_radius * 0.8),
			-cos(minutes + seconds / 60) * (m_radius * 0.8));
	cr_->stroke();

	// draw the hours hand
	cr_->set_source_rgba(0.337, 0.612, 0.117, 0.9);   // green
	cr_->move_to(0, 0);
	cr_->line_to(sin(hours + minutes / 12.0) * (m_radius * 0.5),
			-cos(hours + minutes / 12.0) * (m_radius * 0.5));
	cr_->stroke();
	cr_->restore();

	// draw a little dot in the middle
	cr_->arc(0, 0, m_line_width / 3.0, 0, 2 * M_PI);
	cr_->fill();
}
コード例 #26
0
ファイル: Switch.cpp プロジェクト: EQ4/vmodsynth
void Switch::draw(const Cairo::RefPtr<Cairo::Context>& cr){

    cr->save();
    cr->translate(parent->xoffset + x, y);
    /*
    cr->set_source_rgb(200.0/256.0, 200.0/256.0, 215.0/256.0);
    cr->set_source_rgb(140.0/256.0, 140.0/256.0, 150.0/256.0);
    cr->set_source_rgb(160.0/256.0, 160.0/256.0, 170.0/256.0);
    */
    cr->set_source_rgb(200.0/256.0, 200.0/256.0, 215.0/256.0);
    cr->arc(0,0, 10, 0.0, 2*M_PI);
    cr->fill();
    //hole
    cr->set_source_rgb(30.0/256.0, 30.0/256.0, 30.0/256.0);
    cr->arc(0,0, 7, 0.0, 2*M_PI);
    cr->fill();

    //handle
    const double len = 15.0;
    double endx, endy;
    if(!vertical){
        if(value) {endx =  len; endy = 0.0;}
        else      {endx = -len; endy = 0.0;}
    }else{
        if(value) {endx = 0.0; endy =  len;}
        else      {endx = 0.0; endy = -len;}
    }
    cr->set_line_width(6.0);
    cr->set_line_cap(Cairo::LINE_CAP_ROUND);
    cr->set_source_rgb(1.0,1.0,1.0);
    cr->move_to(0.0,0.0);
    cr->line_to(endx,endy);
    cr->stroke();
    cr->set_source_rgb(170.0/256.0, 170.0/256.0, 170.0/256.0);
    cr->move_to(endx,endy);
    cr->arc(endx,endy,4,0.0,2*M_PI);
    cr->fill();

    //text
    cr->select_font_face("Verdana",Cairo::FONT_SLANT_NORMAL,Cairo::FONT_WEIGHT_BOLD);
    cr->set_font_size(10.0);
    cr->set_source_rgb(1.0,1.0,1.0);
    Cairo::TextExtents tx;
    if(!vertical){
        cr->get_text_extents(text1,tx);
        cr->move_to(-tx.width - 24.0, 3.0 );
        cr->show_text(text1);
        cr->get_text_extents(text2,tx);
        cr->move_to(22.0, 3.0 );
        cr->show_text(text2);
    }else{
        cr->get_text_extents(text1,tx);
        cr->move_to(-tx.width/2.0, -22.0 );
        cr->show_text(text1);
        cr->move_to(-tx.width/2.0, 27.0 );
        cr->get_text_extents(text2,tx);
        cr->show_text(text2);
    }

    cr->restore();
}
コード例 #27
0
void MyWidget::drawWidget()
{
    Painter p(this);

    if (m_color) {
        p.setSourceRGB(1.0, 0, 0);
    } else {
        p.setSourceRGB(0, 0, 0);
    }

    p.translate(minimumSize().width() / 2.0, minimumSize().height() / 2.0);
    p.setLineWidth(m_lineWidth);
    p.arc(0, 0, m_radius, 0, 2 * M_PI);
    p.save();

    p.setSourceRGBA(1.0, 1.0, 1.0, 0.8);
    p.fillPreserve();
    p.restore();
    p.strokePreserve();
    p.clip();

    for (int i = 0; i < 12; ++i) {
        double inset = 30;

        p.save();
        p.setLineCap(Painter::RoundLineCap);

        if(i % 3 != 0) {
            inset *= 0.8;
            p.setLineWidth(1.0);
        }

        p.moveTo((m_radius - inset) * cos (i * M_PI / 6.0),
                 (m_radius - inset) * sin (i * M_PI / 6.0));
        p.lineTo(m_radius * cos (i * M_PI / 6.0),
                 m_radius * sin (i * M_PI / 6.0));
        p.stroke();
        p.restore();
    }

    // store the current time
    time_t rawtime;
    time(&rawtime);
    struct tm * timeinfo = localtime (&rawtime);

    // compute the angles of the indicators of our clock
    double minutes = timeinfo->tm_min * M_PI / 30;
    double hours = timeinfo->tm_hour * M_PI / 6;
    double seconds= timeinfo->tm_sec * M_PI / 30;

    p.save();
    p.setLineCap(Painter::RoundLineCap);

    // draw the seconds hand
    p.save();
    p.setLineWidth(m_lineWidth);
    p.setSourceRGBA(0.7, 0.7, 0.7, 0.8);
    p.moveTo(0, 0);
    p.lineTo(sin(seconds) * (m_radius * 0.9),
             -cos(seconds) * (m_radius * 0.9));
    p.stroke();
    p.restore();

    // draw the minutes hand
    p.setSourceRGBA(0.117, 0.337, 0.612, 0.9);
    p.moveTo(0, 0);
    p.lineTo(sin(minutes + seconds / 60.0) * (m_radius * 0.8),
             -cos(minutes + seconds / 60.0) * (m_radius * 0.8));
    p.stroke();

    // draw the hours hand
    p.setSourceRGBA(0.337, 0.612, 0.117, 0.9);
    p.moveTo(0, 0);
    p.lineTo(sin(hours + minutes / 12.0) * (m_radius * 0.5),
             -cos(hours + minutes / 12.0) * (m_radius * 0.5));
    p.stroke();
    p.restore();

    p.setSourceRGBA(1, 0, 0, 0.5);
    p.arc(0, 0, m_lineWidth * 2.0, 0, 2.0 * M_PI);
    p.fill();

#if 0
  // This is where we draw on the window
  Glib::RefPtr<Gdk::Window> window = get_window();
  if(window)
  {
    Gtk::Allocation allocation = get_allocation();
    const int width = allocation.get_width();
    const int height = allocation.get_height();

    Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();

    if(event)
    {
        // clip to the area indicated by the expose event so that we only
        // redraw the portion of the window that needs to be redrawn
        cr->rectangle(event->area.x, event->area.y,
                event->area.width, event->area.height);
        cr->clip();
    }

    // background gradient
    {
        Cairo::RefPtr<Cairo::LinearGradient> pat = Cairo::LinearGradient::create(0.0, 0.0, 0.0, height);
        pat->add_color_stop_rgb(1.0, 1.0, 1.0, 1.0);
        pat->add_color_stop_rgb(0.0, 0.0, 0.0, 0.0);
        cr->rectangle(0, 0, width, height);
        cr->set_source(pat);
        cr->fill();
    }

    // scale to unit square and translate (0, 0) to be (0.5, 0.5), i.e.
    // the center of the window
    cr->scale(width, height);
    cr->translate(0.5, 0.5);
    cr->set_line_width(m_line_width);

    cr->arc(0, 0, m_radius, 0, 2 * M_PI);
    cr->save();
    cr->set_source_rgba(1.0, 1.0, 1.0, 0.8);
    cr->fill_preserve();
    cr->restore();
    cr->stroke_preserve();
    cr->clip();

    //clock ticks
    for (int i = 0; i < 12; i++)
    {
        double inset = 0.05;

        cr->save();
        cr->set_line_cap(Cairo::LINE_CAP_ROUND);

        if(i % 3 != 0)
        {
            inset *= 0.8;
            cr->set_line_width(0.03);
        }

        cr->move_to(
                (m_radius - inset) * cos (i * M_PI / 6),
                (m_radius - inset) * sin (i * M_PI / 6));
        cr->line_to (
                m_radius * cos (i * M_PI / 6),
                m_radius * sin (i * M_PI / 6));
        cr->stroke();
        cr->restore(); /* stack-pen-size */
    }

    // store the current time
    time_t rawtime;
    time(&rawtime);
    struct tm * timeinfo = localtime (&rawtime);

    // compute the angles of the indicators of our clock
    double minutes = timeinfo->tm_min * M_PI / 30;
    double hours = timeinfo->tm_hour * M_PI / 6;
    double seconds= timeinfo->tm_sec * M_PI / 30;

    cr->save();
    cr->set_line_cap(Cairo::LINE_CAP_ROUND);

    // draw the seconds hand
    cr->save();
    cr->set_line_width(m_line_width / 3);
    cr->set_source_rgba(0.7, 0.7, 0.7, 0.8); // gray
    cr->move_to(0, 0);
    cr->line_to(sin(seconds) * (m_radius * 0.9), 
            -cos(seconds) * (m_radius * 0.9));
    cr->stroke();
    cr->restore();

    // draw the minutes hand
    cr->set_source_rgba(0.117, 0.337, 0.612, 0.9);   // blue
    cr->move_to(0, 0);
    cr->line_to(sin(minutes + seconds / 60) * (m_radius * 0.8),
            -cos(minutes + seconds / 60) * (m_radius * 0.8));
    cr->stroke();

    // draw the hours hand
    cr->set_source_rgba(0.337, 0.612, 0.117, 0.9);   // green
    cr->move_to(0, 0);
    cr->line_to(sin(hours + minutes / 12.0) * (m_radius * 0.5),
            -cos(hours + minutes / 12.0) * (m_radius * 0.5));
    cr->stroke();
    cr->restore();

    // draw a little dot in the middle
    cr->arc(0, 0, m_line_width / 3.0, 0, 2 * M_PI);
    cr->fill();
  }
#endif
}
コード例 #28
0
ファイル: PhotoPreview.cpp プロジェクト: adsllc/muenstercam
bool PhotoPreview::on_draw(const Cairo::RefPtr<Cairo::Context>& cr) {
	if (!Image)
		return false;

	int Width,Height;
	Gtk::Allocation Allocation = get_allocation();
	Width=Allocation.get_width();
	Height=Allocation.get_height();

	if (Width<=1 || Height<=1)
		return false;

	/* Scale the photo */
	Glib::RefPtr<Gdk::Pixbuf> Scaled;

	/* Preserve aspect ratio */
	double ImageAspectRatio,PreviewAspectRatio;
	PreviewAspectRatio=(float)Width/Height;
	ImageAspectRatio=(float)Image->get_width()/Image->get_height();
	if (ImageAspectRatio<PreviewAspectRatio) {
		Width=Height*ImageAspectRatio;
	} else {
		Height=Width/ImageAspectRatio;
	}

	Scaled=Image->scale_simple(
		Width,
		Height,
		Gdk::INTERP_BILINEAR);

	if (Cfg->GetFlipPreview())
		Scaled=Scaled->flip();

	Gdk::Cairo::set_source_pixbuf(cr, Scaled,
		(Allocation.get_width()/2)-(Scaled->get_width()/2),
		(Allocation.get_height()/2)-(Scaled->get_height()/2)
		);
	cr->paint();

	double TimeLeft=Util::TimeDiff(&PhotoTime,NULL);
	double MinDim=get_width();
	if (get_height()<MinDim)
		MinDim=get_height();

	if (Overlay.length()==0 && TimeLeft>0) {
		double TotalTime=Cfg->GetCountdownCount()*(Cfg->GetCountdownTimeout()/1000.0);
		unsigned int Whole=floor(Cfg->GetCountdownCount()*TimeLeft/TotalTime);
		float Frac=(Cfg->GetCountdownCount()*TimeLeft/TotalTime)-Whole;

		Cairo::RefPtr<Cairo::Context> Context = get_window()->create_cairo_context();

		Context->set_source_rgba(1.0, 1.0, 1.0,0.5);
		Context->translate(get_width()/2.0,get_height()/2.0);

		/* Draw the fractional portion of the countdown */
		Context->save();
		Context->rotate(M_PI/2.0);
		Context->arc(0.0,0.0,MinDim/4.0,0,Frac*2*M_PI);
		Context->fill();
		Context->restore();

		/* Draw the Whole portion of the countdown */
		Context->save();
		Context->set_font_size(MinDim/2.0);
		char StrBuf[1024];
		snprintf(StrBuf,sizeof(StrBuf),"%d",Whole+1);
		Cairo::TextExtents Extents;
		Context->get_text_extents(StrBuf,Extents);
		Context->translate(-Extents.width/2.0,Extents.height/2.0);

		Context->show_text(StrBuf);
		Context->stroke();
		Context->restore();
	}

	if (Overlay.length()) {
		Cairo::RefPtr<Cairo::Context> Context = get_window()->create_cairo_context();
		Context->set_source_rgba(1.0, 1.0, 1.0,0.5);
		Context->translate(get_width()/2.0,get_height()/2.0);

		Context->save();
		Context->set_font_size(MinDim/2.0);
		Cairo::TextExtents Extents;
		Context->get_text_extents(Overlay,Extents);
		Context->translate(-Extents.width/2.0,Extents.height/2.0);

		Context->show_text(Overlay);
		Context->stroke();
		Context->restore();
	}

	return true;
}
コード例 #29
0
bool knob::on_expose_event(GdkEventExpose* event)
{

  // This is where we draw on the window
  Glib::RefPtr<Gdk::Window> window = get_window();
  if(window)
  {
    Gtk::Allocation allocation = get_allocation();
    const int width = allocation.get_width();
    const int height = allocation.get_height() - (allocation.get_height()/3);
    const int height_offset = allocation.get_height()/6;

    // coordinates for the center of the window
    int xc, yc;
    xc = width / 2;
    yc = height / 2;

    Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
    cr->set_line_width(6.0);

    // clip to the area indicated by the expose event so that we only redraw
    // the portion of the window that needs to be redrawn
    cr->rectangle(event->area.x, event->area.y,
            event->area.width, event->area.height);
    cr->clip();
    
    // background grad

	Cairo::RefPtr<Cairo::LinearGradient> back_grad =
	Cairo::LinearGradient::create( 0,0,0,allocation.get_height() );

	switch (pos_mode)
	{
		case 0:
	        back_grad->add_color_stop_rgba(0,top_colour.get_red_p(),top_colour.get_green_p(),top_colour.get_blue_p(),1);
	        back_grad->add_color_stop_rgba(1,bottom_colour.get_red_p(),bottom_colour.get_green_p(),bottom_colour.get_blue_p(),1);
		break;

		case 1:
	        back_grad->add_color_stop_rgba(0,top_colour.get_red_p(),top_colour.get_green_p(),top_colour.get_blue_p(),1);
	        back_grad->add_color_stop_rgba(1,
			(bottom_colour.get_red_p() + top_colour.get_red_p())/2,
			(bottom_colour.get_green_p() + top_colour.get_green_p())/2,
			(bottom_colour.get_blue_p() + top_colour.get_blue_p())/2,
			1);
		break;

		case 2:
	        back_grad->add_color_stop_rgba(0,
			(bottom_colour.get_red_p() + top_colour.get_red_p())/2,
			(bottom_colour.get_green_p() + top_colour.get_green_p())/2,
			(bottom_colour.get_blue_p() + top_colour.get_blue_p())/2,
			1);
	        back_grad->add_color_stop_rgba(1,bottom_colour.get_red_p(),bottom_colour.get_green_p(),bottom_colour.get_blue_p(),1);
		break;
	}

	// fill background
	if (rounded<5)
	{
		rounded_rectangle(cr,rounded, grad_top_colour,
			grad_bottom_colour, event->area.x, event->area.y,
			event->area.width, event->area.height,pos_mode,
			top_colour.to_string(),bottom_colour.to_string() );
	}
	else 
	{
		cr->rectangle(event->area.x, event->area.y,
			event->area.width, event->area.height);
	}


	cr->set_source(back_grad);
	cr->fill();
    
    // ------------------------------------------------------------------

	float cos_x =  (allocation.get_width()/5) * (cos(((((1-knob_value)*0.75)-0.3)*2) * M_PI));
	float sin_y =  (allocation.get_width()/5) * (sin(((((1-knob_value)*0.75)-0.3)*2) * M_PI));

     Cairo::RefPtr<Cairo::RadialGradient> grad1 =
Cairo::RadialGradient::create( (allocation.get_width()/2) + sin_y, (allocation.get_height()/2) + cos_x, 0, (allocation.get_width()/2) , (allocation.get_height()/2) ,(allocation.get_width()/2.5));
        grad1->add_color_stop_rgba(0,0.4,0.4,0.4,1);
        grad1->add_color_stop_rgba(0.5,0.2,0.2,0.2,1);
        grad1->add_color_stop_rgba(0.8,0.17,0.17,0.17,1);
        grad1->add_color_stop_rgba(1.0,0.0,0.0,0.0,1);

	cos_x =  (allocation.get_width()/5) * (cos((((knob_value*0.75)-0.61)*2) * M_PI));
	sin_y =  (allocation.get_width()/5) * (sin((((knob_value*0.75)-0.61)*2) * M_PI));

	cr->set_source(grad1);
	cr->arc(allocation.get_width()/2, allocation.get_height()/2, (allocation.get_width()/2.5), 0.0, 2 * M_PI);
	cr->fill();
	cr->set_source_rgb(0.0, 0.0, 0.0);
	cr->arc((allocation.get_width()/2) +cos_x, (allocation.get_height()/2)+sin_y, (allocation.get_width()/16), 0.0, 2 * M_PI);
	cr->fill();

    // draw text label
    cr->select_font_face("Bitstream Vera Sans", Cairo::FONT_SLANT_NORMAL,
     Cairo::FONT_WEIGHT_NORMAL);
    cr->set_font_size(width/4.5);
    cr->set_source_rgba(0.9,0.9,0.9,0.8);
    Cairo::FontOptions font_options;
    font_options.set_hint_style(Cairo::HINT_STYLE_NONE);
    font_options.set_hint_metrics(Cairo::HINT_METRICS_OFF);
    font_options.set_antialias(Cairo::ANTIALIAS_GRAY);
	
    int x_font_centre = (width/2) - ((width/5) * (label.length()/3.5));

    cr->set_font_options(font_options);
    cr->move_to(x_font_centre,height/3.5);
    cr->show_text(label);
    cr->move_to(x_font_centre,allocation.get_height()  - (height_offset/3) );

    ostringstream slider_value;
    slider_value.str("");

    if (invert)
    {
	slider_value << max - value;
    }
    else
    {
    	slider_value << value;
    }

    slider_value.str(slider_value.str().substr(0,5));

    x_font_centre = (width/2) - ((width/5) * (slider_value.str().length()/3.5));
    cr->move_to(x_font_centre,allocation.get_height() - (height_offset/1.5) );

    cr->show_text(slider_value.str());

  }

  return true;
}
コード例 #30
0
ファイル: ClockDrawArea.cpp プロジェクト: havor/Clock
bool ClockDrawArea::on_draw(const Cairo::RefPtr<Cairo::Context>& context){
	//Get the drawing area
	auto allocation = get_allocation();
	const int width = allocation.get_width();
	const int height = allocation.get_height();

	//Set the scale to a unit square
	context->scale(width, height);

	//Set (0.5, 0.5) to (0, 0). convenient to draw with arc.
	context->translate(0.5, 0.5);

	//Paint the background of the window;
	context->save();
	context->set_source_rgba(0.337, 0.612, 0.117, 0.9);
	context->paint();
	context->restore();

	//Draw the outer edge of the clock
	context->set_line_width(3 * m_LineWidth);
	context->arc(0, 0, m_Radius, 0, 2 * M_PI);

	//Paint the background color of the clock
	context->save();
	context->set_source_rgba(1.0, 1.0, 1.0, 0.8);
	context->fill_preserve();
	context->restore();

	//Draw a center point for good looking
	context->stroke();
	context->arc(0, 0, 0.05 * m_Radius, 0, 2 * M_PI);
	context->stroke();

	//Draw ticks
	context->save();
	double l = 1;

	for(int i = 0; i <= 11; i++){

		if((i % 3) == 0) {
			l = m_Radius * 0.8;
		}else{
			l = m_Radius * 0.9;
		}

		context->move_to(l * cos(i * 2* M_PI /12), l * sin(i * 2 * M_PI /12));
		context->line_to(m_Radius * cos(i * 2 * M_PI /12), m_Radius * sin(i * 2 * M_PI /12));

	}
	context->stroke();
	context->restore();

	//Get the current time from system and save info to a timeinfo struct
	time_t rawTime;
	time(&rawTime);

	struct tm * timeinfo = localtime(&rawTime);

	//Calculate the angle of hands of the clock
	auto radSeconds = (timeinfo->tm_sec * 2 * M_PI /60) - M_PI/2;
	auto radMinutes = (timeinfo->tm_min * 2 * M_PI /60) - M_PI/2;
	auto radHours = (timeinfo->tm_hour * 2 * M_PI /12) - M_PI/2  + timeinfo->tm_min * 2 * M_PI /(60 * 12);

	//Draw the hands of the clock
	context->save();

	//The hand of seconds
	context->set_source_rgba(0.823, 0.322, 0.155, 0.9);
	context->set_line_width(m_LineWidth);
	l = 0.9 * m_Radius;
	context->move_to(0,0);
	context->line_to(l * cos(radSeconds), l * sin(radSeconds));
	context->stroke();

	//The hand of minutes
	context->set_source_rgba(0.632, 0.802, 0.266, 0.9);
	context->set_line_width(2 * m_LineWidth);
	l = 0.8 * m_Radius;
	context->move_to(0,0);
	context->line_to(l * cos(radMinutes), l * sin(radMinutes));
	context->stroke();

	//The hand of hours
	context->set_source_rgba(0.104, 0.582, 0.723, 0.9);
	context->set_line_width(3 * m_LineWidth);
	l = 0.65 * m_Radius;
	context->move_to(0,0);
	context->line_to(l * cos(radHours), l * sin(radHours));
	context->stroke();

	context->restore();


	return true;
}