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 );
}
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();
}
//! 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();
}
/** 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;
}
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;
}
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;
}
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();
}
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();
}
/** 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();
}
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();
}
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();
}
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();
}
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
}
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
}
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;
}
}
//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;
}
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
}
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;
}
}
void dot(Cairo::RefPtr<Cairo::Context> & cr, double x, double y) {
cr->arc(x, y,
2., 0.0, 2.0 * M_PI);
cr->stroke();
}
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();
}
}
/** 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();
}
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);
}
}*/
}
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;
}
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));
}
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();
}
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();
}
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
}
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;
}
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;
}
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;
}