void line_to__(Glib::ustring& d1,Glib::ustring& d2){
cr_->line_to(s2f__(d1),s2f__(d2));
}
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();
}
}
static void
draw_text (Cairo::RefPtr<Cairo::Context> cr, int wdh, int hgt)
{
RefPtr<Pango::Layout> layout = Pango::Layout::create(cr);
//layout->set_single_paragraph_mode(true);
layout->set_text("MTextTextM\nAbc\nff");
Pango::FontDescription dsc(FONT);
layout->set_font_description(dsc);
int t_wdh, t_hgt;
layout->get_size(t_wdh, t_hgt);
double t_sz = (double)dsc.get_size()/t_wdh;
double new_sz = wdh * t_sz ;
io::cout << "new_sz " << new_sz << io::endl;
io::cout << "wdh " << wdh << io::endl;
dsc.set_size( int(new_sz*PANGO_SCALE) );
layout->set_font_description(dsc);
layout->get_size(t_wdh, t_hgt);
io::cout << "t_wdh " << t_wdh/(double)PANGO_SCALE << io::endl;
// для наглядности
cr->set_line_width(1.0);
cr->rectangle(0, 0, wdh, hgt);
cr->stroke();
cr->save();
cr->move_to(0, 0);
cr->scale( 1.0, hgt / ((double)t_hgt/PANGO_SCALE) );
//cr->scale( wdh / ((double)t_wdh/PANGO_SCALE), hgt / ((double)t_hgt/PANGO_SCALE) );
layout->update_from_cairo_context(cr);
pango_cairo_show_layout(cr->cobj(), layout->gobj());
{
Pango::Rectangle w_rct, s_rct;
int cur_pos;
cur_pos = 1;
layout->get_cursor_pos(cur_pos, w_rct, s_rct);
pango_extents_to_pixels(0, w_rct.gobj());
io::cout << "curs - x, y, hgt " << w_rct.get_x() << " " << w_rct.get_y() << " " << w_rct.get_height() << io::endl;
cr->move_to(w_rct.get_x()+5, w_rct.get_y());
cr->line_to(w_rct.get_x()+5, w_rct.get_y()+w_rct.get_height());
cr->stroke();
cur_pos = 11;
layout->get_cursor_pos(cur_pos, w_rct, s_rct);
pango_extents_to_pixels(0, w_rct.gobj());
io::cout << "curs - x, y, hgt " << w_rct.get_x() << " " << w_rct.get_y() << " " << w_rct.get_height() << io::endl;
cr->move_to(w_rct.get_x()+5, w_rct.get_y());
cr->line_to(w_rct.get_x()+5, w_rct.get_y()+w_rct.get_height());
cr->stroke();
}
cr->restore();
}
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();
}
int render_png(Graph* graph)
{
int i_side = (graph->side_length - 1) * SPACING + PADDING;
//Cairo ImageSurface. This one will be saved afterwards as a png file
Cairo::RefPtr<Cairo::ImageSurface> surface = Cairo::ImageSurface::create(Cairo::FORMAT_ARGB32, i_side + PADDING * 2, i_side + PADDING * 2);
//Cairo Context.
Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create(surface);
cr->save(); // save the state of the context
cr->set_source_rgb(1.0, 1.0, 1.0);
cr->paint(); // fill image with the color
cr->restore(); // color is back to black now
//Storing state to start drawing
cr->save();
//setting brush color to black
cr->set_source_rgb(0.0, 0.0, 0.0);
cr->set_line_width(1.0);
//drawing lines
for (int i = 0; i < graph->side_length; i++) {
for (int j = 0; j < graph->side_length; j++) {
//for a current node
Node* current = graph->matrix.at(i).at(j);
//find all friends
for (int k = 0; k < current->friends.size(); k++) {
pair<int, int> current_friend = *std::next(current->friends.begin(), k);
//Move brush to current node
cr->move_to(current->coors.first * SPACING + PADDING, current->coors.second * SPACING + PADDING);
//Draw a line to current friend
cr->line_to(current_friend.first * SPACING + PADDING, current_friend.second * SPACING + PADDING);
cr->stroke();
}
}
}
//setting brush color to red
cr->set_source_rgb(1.0, 0.0, 0.0);
//drawing vertices after lines are drawn
for (int i = 0; i < graph->side_length; i++) {
for (int j = 0; j < graph->side_length; j++) {
Node* current = graph->matrix.at(i).at(j);
cr->arc(current->coors.first * SPACING + PADDING, current->coors.second * SPACING + PADDING, 1.0, 0.0, 2.0 * M_PI);
cr->stroke();
}
}
cr->restore();
#ifdef CAIRO_HAS_PNG_FUNCTIONS
std::string filename = build_name("result");
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
}
bool SamplerWidget::on_expose_event(GdkEventExpose* event)
{
// This is where we draw on the window
Glib::RefPtr<Gdk::Window> window = get_window();
if(window) // Only run if Window does exist
{
allocation = get_allocation();
int width = allocation.get_width();
int height = allocation.get_height();
//std::cout << "Width: " << width << std::endl;
//std::cout << "Height: " << height << std::endl;
//std::cout << "Height / 12: " << height /12.0 << std::endl;
// 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();
// 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 -> set_source_rgba(0 , 0, 0 , 1);
cr->rectangle(event->area.x, event->area.y,
event->area.width, event->area.height);
//cr->rectangle(0,0,event->area.x,event->area.y);
//cr->stroke_preserve();
cr->clip();
cr -> set_line_join (Cairo::LINE_JOIN_ROUND);
cr -> move_to( 7, 7);
cr -> line_to( width-7, 7);
cr -> line_to( width-7, height-7);
cr -> line_to( 7, height-7);
cr -> close_path();
// Draw outline shape
cr -> set_source_rgb (0.1,0.1,0.1);
cr -> fill_preserve();
if (!padOnBool)
{
cr->set_source_rgba( 0.6, 0.6, 0.6, 0.5);
cr->set_line_width ( 10.0);
cr->stroke();
}
else
{
cr->set_source_rgba( 1.0,0.4,0.0, 0.8);
cr->set_line_width ( 10.4);
cr->stroke();
}
/* Pan functionality Not yet implemented in sampler.
// Draw Pan line: pixel pan = width * pan
cr -> set_line_cap (Cairo::LINE_CAP_ROUND);
cr -> set_line_width ( 4.8);
cr -> set_source_rgba( 1.0,0.8,0.8,0.8);
cr -> move_to ( width/2 + ((width*pan)/2) , height - (height*volume) + 20);
cr -> line_to ( width/2 + ((width*pan)/2) , height - (height*volume) - 20);
cr -> stroke();
*/
// Draw Volume line: pixel vol = height * volume
cr -> set_line_width ( 5.1);
cr -> set_source_rgb( 0.2,0.2,0.2);
cr -> move_to ( 10 , (height - ((height-20)*volume))-8 );
cr -> line_to ( width-10, (height - ((height-20)*volume))-8 );
cr -> line_to ( width-10, height-10);
cr -> line_to ( 10, height-10);
cr -> close_path();
cr -> fill();
// Draw Mode: Loop/Hit
if ( !loopSampleBool)
{
cr->set_line_width ( 2.2);
cr->set_source_rgb(0.2,0.2,0.2);
cr->move_to(width/5,(height/5)*2);
cr->line_to((width/5)*3,(height/5)*2);
cr->line_to((width/5)*3,(height/5)*1);
cr->line_to((width/5)*4,height/2); // point of arrow
cr->line_to((width/5)*3,(height/5)*4);
cr->line_to((width/5)*3,(height/5)*3);
cr->line_to(width/5,(height/5)*3);
cr->close_path();
cr->fill_preserve();
cr->set_source_rgb(0.0,0.9,0.0);
cr->stroke();
}
else // Loop Sample
{
cr -> set_source_rgb(0.2,0.2,0.2);
cr -> arc_negative (width/2, height/2, ((height + width)/8)-5 , 6.0, 0.6); // inner curve
cr -> arc (width/2, height/2, ((height + width)/6)-5 , 0.5, 6.1); // outer curve
cr -> line_to ((width-width/3.5) + width/8 , height/2 - height/18 ); // right point of arrow
cr -> line_to ( width-width/3.5, height/2 + height/18 ); // point of arrow
cr -> line_to ((width-width/3.5) - width/8 , height/2 - height/18 ); // left point of arrow
cr -> close_path();
cr -> fill_preserve();
cr -> set_line_width(1.9);
cr -> set_source_rgb(0.0,0.9,0.0);
cr -> stroke();
}
// Impose orange volume line (over SampleLoop/Play)
cr -> move_to ( 10 , (height - ((height-20)*volume))-8 );
cr -> line_to ( width-10, (height - ((height-20)*volume))-8 );
cr -> set_source_rgb(1.0,0.4,0.0);
cr -> stroke();
// Draw Text in center. Audio Clip name.
cr -> set_source_rgb( 1.0,0.4,0.0);
cr -> select_font_face ("Impact" , Cairo::FONT_SLANT_NORMAL,Cairo::FONT_WEIGHT_NORMAL);
cr -> set_font_size ( 3 + xc/4 );
Cairo::TextExtents extents;
std::transform(sampleName.begin(), sampleName.end(), sampleName.begin(), toupper);
cr -> get_text_extents(sampleName, extents);
cr -> move_to ( xc - extents.width/2 , height/2+height/18);
cr -> show_text (sampleName); // sampleName defined in hpp as std::string
}
return true;
}
bool
Widget_Curves::on_draw(const Cairo::RefPtr<Cairo::Context> &cr)
{
const int h(get_height());
const int w(get_width());
get_style_context()->render_background(cr, 0, 0, w, h);
if(!time_adjustment_ || !range_adjustment_ || !h || !w)
return false;
if(!curve_list_.size())
return false;
const Real t_begin(time_adjustment_->get_lower());
const Real t_end(time_adjustment_->get_upper());
const Real dt((t_end-t_begin)/w);
const Real r_bottom(range_adjustment_->get_value());
const Real r_top(r_bottom+range_adjustment_->get_page_size());
const Real dr((r_top-r_bottom)/h);
Real r_max(-100000000);
Real r_min(100000000);
std::list<CurveStruct>::iterator curve_iter;
//Figure out maximum number of channels
for(curve_iter=curve_list_.begin();curve_iter!=curve_list_.end();++curve_iter)
{
int channels(curve_iter->channels.size());
if(channels>MAX_CHANNELS)
{
channels=MAX_CHANNELS;
synfig::warning("Not allowed more than %d channels! Truncating...", MAX_CHANNELS);
}
}
// and use it when sizing the points
vector<Gdk::Point> points[MAX_CHANNELS];
// Draw zero mark
cr->set_source_rgb(0.31, 0.31, 0.31);
cr->rectangle(0, round_to_int((0-r_bottom)/dr), w, 0);
cr->stroke();
// This try to find a valid canvas to show the keyframes of those
// valuenodes. If not canvas found then no keyframes marks are shown.
synfig::Canvas::Handle canvas=0;
for(curve_iter=curve_list_.begin();curve_iter!=curve_list_.end();++curve_iter)
{
canvas=curve_iter->value_desc.get_canvas();
if(canvas)
break;
}
if(canvas)
{
// Draw vertical lines for the keyframes marks.
const synfig::KeyframeList& keyframe_list(canvas->keyframe_list());
synfig::KeyframeList::const_iterator iter;
for(iter=keyframe_list.begin();iter!=keyframe_list.end();++iter)
{
if(!iter->get_time().is_valid())
continue;
const int x((int)((float)w/(t_end-t_begin)*(iter->get_time()-t_begin)));
if(iter->get_time()>=t_begin && iter->get_time()<t_end)
{
cr->set_source_rgb(0.63, 0.5, 0.5);
cr->rectangle(x, 0, 1, h);
cr->fill();
}
}
}
// Draw current time
cr->set_source_rgb(0, 0, 1);
cr->rectangle(round_to_int((time_adjustment_->get_value()-t_begin)/dt), 0, 0, h);
cr->stroke();
// Draw curves for the valuenodes stored in the curve list
for(curve_iter=curve_list_.begin();curve_iter!=curve_list_.end();++curve_iter)
{
Real t;
int i;
int channels(curve_iter->channels.size());
for(i=0;i<channels;i++)
points[i].clear();
for(i=0,t=t_begin;i<w;i++,t+=dt)
{
for(int chan=0;chan<channels;chan++)
{
Real x(curve_iter->get_value(chan,t,dt));
r_max=max(r_max,x);
r_min=min(r_min,x);
points[chan].push_back(
Gdk::Point(
i,
round_to_int(
(
x-r_bottom
)/dr
)
)
);
}
}
// Draw the graph curves with 0.5 width
cr->set_line_width(0.5);
for(int chan=0;chan<channels;chan++)
{
// Draw the curve
std::vector<Gdk::Point> &p = points[chan];
for(std::vector<Gdk::Point>::iterator i = p.begin(); i != p.end(); ++i)
{
if (i == p.begin())
cr->move_to(i->get_x(), i->get_y());
else
cr->line_to(i->get_x(), i->get_y());
}
const Gdk::Color &color = curve_iter->channels[chan].color;
cr->set_source_rgb(color.get_red_p(), color.get_green_p(), color.get_blue_p());
cr->stroke();
Glib::RefPtr<Pango::Layout> layout(Pango::Layout::create(get_pango_context()));
layout->set_text(curve_iter->channels[chan].name);
cr->move_to(1, points[chan][0].get_y()+1);
layout->show_in_cairo_context(cr);
}
}
if(!curve_list_.empty())
{
range_adjustment_->set_upper(r_max+range_adjustment_->get_page_size()/2);
range_adjustment_->set_lower(r_min-range_adjustment_->get_page_size()/2);
}
return true;
}
void RegionChooser::draw_regions(const Cairo::RefPtr<Cairo::Context>& cr,
int clip_low, int clip_high) {
const int w = get_width() - 1;
Gdk::Cairo::set_source_rgba(cr, black);
gig::Region* next_region;
int x3 = -1;
for (gig::Region* r = regions.first() ; r ; r = next_region) {
next_region = regions.next();
if (x3 < 0) {
x3 = key_to_x(r->KeyRange.low, w);
if (x3 >= clip_high) break;
}
if (!next_region ||
r->KeyRange.high + 1 != next_region->KeyRange.low ||
r == region || next_region == region) {
int x2 = key_to_x(r->KeyRange.high + 1, w);
if (x2 >= clip_low) {
cr->move_to(x3, 0.5);
cr->line_to(x2 + 0.5, 0.5);
cr->line_to(x2 + 0.5, h1 - 0.5);
cr->line_to(x3, h1 - 0.5);
cr->stroke();
Gdk::Cairo::set_source_rgba(cr, region == r ? red : white);
cr->rectangle(x3 + 1, 1, x2 - x3 - 1, h1 - 2);
cr->fill();
Gdk::Cairo::set_source_rgba(cr, black);
}
x3 = -1;
}
}
for (gig::Region* r = regions.first() ; r ; r = regions.next()) {
int x = key_to_x(r->KeyRange.low, w);
if (x < clip_low) continue;
if (x >= clip_high) break;
cr->move_to(x + 0.5, 1);
cr->line_to(x + 0.5, h1 - 1);
cr->stroke();
}
// if there is no region yet, show the user some hint text that he may
// right click on this area to create a new region
if (!regions.first()) {
Glib::RefPtr<Pango::Context> context = get_pango_context();
Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(context);
layout->set_alignment(Pango::ALIGN_CENTER);
layout->set_text(Glib::ustring("*** ") + _("Right click here to create a region.") + " ***");
layout->set_width(get_width() * Pango::SCALE);
//layout->set_height(get_height() * Pango::SCALE);
layout->set_spacing(10);
Gdk::Cairo::set_source_rgba(cr, red);
// get the text dimensions
int text_width, text_height;
layout->get_pixel_size(text_width, text_height);
cr->move_to(0, (REGION_BLOCK_HEIGHT - text_height) / 2);
#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 16) || GTKMM_MAJOR_VERSION < 2
pango_cairo_show_layout(cr->cobj(), layout->gobj());
#else
layout->show_in_cairo_context(cr);
#endif
}
}
bool GHighPass::on_expose_event(GdkEventExpose* event)
{
// This is where we draw on the window
Glib::RefPtr<Gdk::Window> window = get_window();
if(window) // Only run if Window does exist
{
Gtk::Allocation allocation = get_allocation();
int width = allocation.get_width();
int height = allocation.get_height();
// clip to the area indicated by the expose event so that we only redraw
// the portion of the window that needs to be redrawn
Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
cr->rectangle(event->area.x, event->area.y,
event->area.width, event->area.height);
cr->clip();
cr->rectangle(event->area.x, event->area.y,
event->area.width, event->area.height);
setColour(cr, COLOUR_GREY_3 );
cr->fill();
//cout << "HighPass getting state ID " << ID << endl;
float cutoffRangeZeroOne = stateStore->effectState.at(ID).values[0];
cutoff = cutoffRangeZeroOne;
bool active = stateStore->effectState.at(ID).active;
bool globalUnit = stateStore->effectState.at(ID).globalUnit;
int x = 0;
int y = 0;
xSize = 73;
ySize = 37;
// works but a bit simple
cr -> move_to( x , y );
cr -> line_to( x + xSize, y );
cr -> line_to( x + xSize, y + ySize );
cr -> line_to( x , y + ySize );
cr -> close_path();
// Draw outline shape
cr -> set_source_rgb (0.1,0.1,0.1);
cr -> fill();
// draw "frequency guides"
std::valarray< double > dashes(2);
dashes[0] = 2.0;
dashes[1] = 2.0;
cr->set_dash (dashes, 0.0);
cr->set_line_width(1.0);
cr->set_source_rgb (0.4,0.4,0.4);
for ( int i = 0; i < 3; i++ )
{
cr->move_to( x + ((xSize / 3.f)*i), y );
cr->line_to( x + ((xSize / 3.f)*i), y + ySize );
}
for ( int i = 0; i < 3; i++ )
{
cr->move_to( x , y + ((ySize / 3.f)*i) );
cr->line_to( x +xSize, y + ((ySize / 3.f)*i) );
}
cr->stroke();
cr->unset_dash();
// move to bottom left, draw line to middle left
cr->move_to( x + xSize-2 , y + ySize );
cr->line_to( x + xSize-2 , y + (ySize/2));
int startHorizontalLine = xSize* (cutoff + 0.4);
if ( startHorizontalLine > 75 )
startHorizontalLine = 75;
cr->line_to( startHorizontalLine, y + (ySize/2) ); // horizontal line to start of curve
int xSize1CP1 = xSize* (cutoff +0.1);
int xSize1CP2 = xSize* (cutoff +0.08);
int xSize1End = xSize* cutoff;
if ( xSize1CP1 > 75 )
xSize1CP1 = 75;
if ( xSize1CP2 > 75 )
xSize1CP2 = 75;
if ( xSize1End > 75 )
xSize1End = 75;
cr->curve_to( xSize1CP1, y+(ySize*0.5), // control point 1
xSize1CP2, y+(ySize*0.3), // control point 2
xSize1End, y+(ySize*0.3)); // end of curve 1, start curve 2
int xSize2CP1 = xSize* (cutoff - 0.03);
int xSize2CP2 = xSize* (cutoff - 0.08);
int xSize2End = xSize* (cutoff - 0.15);
if ( xSize2CP1 > 75 )
xSize2CP1 = 75;
if ( xSize2CP2 > 75 )
xSize2CP2 = 75;
if ( xSize2End > 75 )
xSize2End = 75;
cr->curve_to( xSize2CP1, y+(ySize*0.3), // control point 1
xSize2CP2, y+(ySize*0.3), // control point 2
xSize2End, y+(ySize) ); // end of curve on floor
if (active)
setColour(cr, COLOUR_BLUE_1, 0.2 );
else
setColour(cr, COLOUR_GREY_1, 0.2 );
cr->close_path();
cr->fill_preserve();
// stroke cutoff line
cr->set_line_width(2.5);
if ( active )
setColour(cr, COLOUR_BLUE_1 );
else
setColour(cr, COLOUR_GREY_1 );
cr->stroke();
// click center
if ( globalUnit )
{
if ( active )
setColour(cr, COLOUR_GREEN_1, 0.9 );
else
setColour(cr, COLOUR_GREY_1,0.9 );
cr->move_to( xSize * cutoff - 5, ySize*q - 5 );
cr->line_to( xSize * cutoff + 5, ySize*q + 5 );
cr->move_to( xSize * cutoff - 5, ySize*q + 5 );
cr->line_to( xSize * cutoff + 5, ySize*q - 5 );
cr->stroke();
}
else
{
if ( active )
setColour(cr, COLOUR_ORANGE_1, 0.9 );
else
setColour(cr, COLOUR_GREY_1, 0.9 );
cr->arc( xSize*cutoff, ySize*q, 7, 0, 6.2830 );
cr->stroke();
}
// dials
Dial(cr, active, 70, 140, cutoffRangeZeroOne, DIAL_MODE_NORMAL);
Dial(cr, active, 150,140, q , DIAL_MODE_NORMAL);
// outline
setColour(cr, COLOUR_GREY_3 );
cr->rectangle( x, y , xSize, ySize );
cr->set_line_width(3);
setColour(cr, COLOUR_GREY_2 );
cr->stroke();
/*
if ( state.selected )
{
cr->rectangle(0, 0, 74, 216);
setColour( cr, COLOUR_PURPLE_1 );
cr->set_line_width(1);
cr->stroke();
}
*/
}
return true;
}
