void
Renderer_Dragbox::render_vfunc(
const Glib::RefPtr<Gdk::Window>& drawable,
const Gdk::Rectangle& /*expose_area*/
)
{
assert(get_work_area());
if(!get_work_area())
return;
// const synfig::Vector focus_point(get_work_area()->get_focus_point());
// Warning : Unused focus_point
int drawable_w = drawable->get_width();
int drawable_h = drawable->get_height();
Cairo::RefPtr<Cairo::Context> cr = drawable->create_cairo_context();
const synfig::Vector::value_type window_startx(get_work_area()->get_window_tl()[0]);
const synfig::Vector::value_type window_starty(get_work_area()->get_window_tl()[1]);
const float pw(get_pw()),ph(get_ph());
const synfig::Point& curr_point(get_curr_point());
const synfig::Point& drag_point(get_drag_point());
{
cr->save();
cr->set_line_cap(Cairo::LINE_CAP_BUTT);
cr->set_line_join(Cairo::LINE_JOIN_MITER);
cr->set_antialias(Cairo::ANTIALIAS_NONE);
cr->set_line_width(1.0);
cr->set_source_rgb(0,0,0);
std::valarray<double> dashes(2);
dashes[0]=5.0;
dashes[1]=5.0;
cr->set_dash(dashes, 0);
Point tl(std::min(drag_point[0],curr_point[0]),std::min(drag_point[1],curr_point[1]));
Point br(std::max(drag_point[0],curr_point[0]),std::max(drag_point[1],curr_point[1]));
tl[0]=(tl[0]-window_startx)/pw;
tl[1]=(tl[1]-window_starty)/ph;
br[0]=(br[0]-window_startx)/pw;
br[1]=(br[1]-window_starty)/ph;
if(tl[0]>br[0])
swap(tl[0],br[0]);
if(tl[1]>br[1])
swap(tl[1],br[1]);
cr->rectangle(
tl[0],
tl[1],
br[0]-tl[0],
br[1]-tl[1]
);
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;
}
void
Renderer_BBox::render_vfunc(
const Glib::RefPtr<Gdk::Window>& drawable,
const Gdk::Rectangle& /*expose_area*/
)
{
assert(get_work_area());
if(!get_work_area())
return;
Cairo::RefPtr<Cairo::Context> cr = drawable->create_cairo_context();
const synfig::Vector::value_type window_startx(get_work_area()->get_window_tl()[0]);
const synfig::Vector::value_type window_starty(get_work_area()->get_window_tl()[1]);
const float pw(get_pw()),ph(get_ph());
const synfig::Point curr_point(get_bbox().get_min());
const synfig::Point drag_point(get_bbox().get_max());
if(get_bbox().area()<10000000000000000.0 && get_bbox().area()>0.00000000000000001)
{
Point tl(std::min(drag_point[0],curr_point[0]),std::min(drag_point[1],curr_point[1]));
Point br(std::max(drag_point[0],curr_point[0]),std::max(drag_point[1],curr_point[1]));
tl[0]=(tl[0]-window_startx)/pw;
tl[1]=(tl[1]-window_starty)/ph;
br[0]=(br[0]-window_startx)/pw;
br[1]=(br[1]-window_starty)/ph;
if(tl[0]>br[0])
swap(tl[0],br[0]);
if(tl[1]>br[1])
swap(tl[1],br[1]);
cr->save();
cr->set_line_cap(Cairo::LINE_CAP_BUTT);
cr->set_line_join(Cairo::LINE_JOIN_MITER);
cr->set_line_width(1.0);
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->rectangle(
int(tl[0])+0.5,
int(tl[1])+0.5,
int(br[0]-tl[0]+1),
int(br[1]-tl[1]+1)
);
cr->stroke();
cr->restore();
}
}
//! 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();
}
void Renderer::renderLabels(const Cairo::RefPtr<Cairo::Context>& cr,
std::vector<shared_ptr<LabelType> >& labels,
AssetCache& cache) const
{
cr->save();
cr->set_line_join(Cairo::LINE_JOIN_ROUND);
for (auto it = labels.rbegin(); it != labels.rend(); it++)
{
const shared_ptr<LabelType>& label = *it;
const Style* s = label->style;
cr->set_font_size(s->font_size);
cr->move_to(label->origin.x, label->origin.y);
cr->set_font_face(cache.getFont(
s->font_family.str(),
s->font_style == Style::STYLE_ITALIC ? Cairo::FONT_SLANT_ITALIC : Cairo::FONT_SLANT_NORMAL,
s->font_weight == Style::WEIGHT_BOLD ? Cairo::FONT_WEIGHT_BOLD : Cairo::FONT_WEIGHT_NORMAL
));
cr->text_path(label->text.str());
if (s->text_halo_radius > 0.0)
{
cr->set_source_color(s->text_halo_color);
cr->set_line_width(s->text_halo_radius*2.0);
cr->stroke_preserve();
}
cr->set_source_color(s->text_color);
cr->fill();
}
cr->restore();
}
void
Renderer_Grid::render_vfunc(
const Glib::RefPtr<Gdk::Window>& drawable,
const Gdk::Rectangle& /*expose_area*/
)
{
assert(get_work_area());
if(!get_work_area())
return;
Cairo::RefPtr<Cairo::Context> cr = drawable->create_cairo_context();
int drawable_w = drawable->get_width();
int drawable_h = drawable->get_height();
synfig::Vector grid_size(get_grid_size());
if(grid_size[0] < 0) grid_size[0] = -grid_size[0];
if(grid_size[1] < 0) grid_size[1] = -grid_size[1];
const synfig::Vector::value_type window_startx(get_work_area()->get_window_tl()[0]);
const synfig::Vector::value_type window_endx(get_work_area()->get_window_br()[0]);
const synfig::Vector::value_type window_starty(get_work_area()->get_window_tl()[1]);
const synfig::Vector::value_type window_endy(get_work_area()->get_window_br()[1]);
const float pw(get_pw()),ph(get_ph());
synfig::Color grid_color(get_work_area()->get_grid_color());
// Draw out the grid
if(grid_size[0]>pw*3.5 && grid_size[1]>ph*3.5)
{
synfig::Vector::value_type x,y;
x=floor(window_startx/grid_size[0])*grid_size[0];
y=floor(window_starty/grid_size[1])*grid_size[1];
cr->save();
cr->set_line_cap(Cairo::LINE_CAP_BUTT);
cr->set_line_join(Cairo::LINE_JOIN_MITER);
cr->set_antialias(Cairo::ANTIALIAS_NONE);
cr->set_line_width(1.0);
cr->set_source_rgb(grid_color.get_r(),grid_color.get_g(),grid_color.get_b());
std::valarray<double> dashes(2);
dashes[0]=4.0;
dashes[1]=4.0;
cr->set_dash(dashes, 0);
if(x<window_endx)
for(;x<window_endx;x+=grid_size[0])
{
cr->move_to(
round_to_int((x-window_startx)/pw),
0
);
cr->line_to(
round_to_int((x-window_startx)/pw),
drawable_h
);
cr->stroke();
}
else
for(;x>window_endx;x-=grid_size[0])
{
cr->move_to(
round_to_int((x-window_startx)/pw),
0
);
cr->line_to(
round_to_int((x-window_startx)/pw),
drawable_h
);
cr->stroke();
}
if(y<window_endy)
for(;y<window_endy;y+=grid_size[1])
{
cr->move_to(
0,
round_to_int((y-window_starty)/ph)
);
cr->line_to(
drawable_w,
round_to_int((y-window_starty)/ph)
);
cr->stroke();
}
else
for(;y>window_endy;y-=grid_size[1])
{
cr->move_to(
0,
round_to_int((y-window_starty)/ph)
);
cr->line_to(
drawable_w,
round_to_int((y-window_starty)/ph)
);
cr->stroke();
}
cr->restore();
}
}
void
Renderer_Guides::render_vfunc(
const Glib::RefPtr<Gdk::Drawable>& drawable,
const Gdk::Rectangle& /*expose_area*/
)
{
assert(get_work_area());
if(!get_work_area())
return;
int drawable_w,drawable_h;
drawable->get_size(drawable_w,drawable_h);
Cairo::RefPtr<Cairo::Context> cr = drawable->create_cairo_context();
const synfig::Vector::value_type window_startx(get_work_area()->get_window_tl()[0]);
const synfig::Vector::value_type window_starty(get_work_area()->get_window_tl()[1]);
const float pw(get_pw()),ph(get_ph());
// Draw out the guides
{
Duckmatic::GuideList::const_iterator iter;
cr->save();
cr->set_line_cap(Cairo::LINE_CAP_BUTT);
cr->set_line_join(Cairo::LINE_JOIN_MITER);
cr->set_antialias(Cairo::ANTIALIAS_NONE);
cr->set_line_width(1.0);
std::valarray<double> dashes(2);
dashes[0]=5.0;
dashes[1]=5.0;
cr->set_dash(dashes, 0);
// vertical
for(iter=get_guide_list_x().begin();iter!=get_guide_list_x().end();++iter)
{
const float x((*iter-window_startx)/pw);
if(iter==get_work_area()->curr_guide)
cr->set_source_rgb(1.0,111.0/255.0,111.0/255.0);
else
cr->set_source_rgb(111.0/255.0,111.0/255.0,1.0);
cr->move_to(
x,
0
);
cr->line_to(
x,
drawable_h
);
cr->stroke();
}
// horizontal
for(iter=get_guide_list_y().begin();iter!=get_guide_list_y().end();++iter)
{
const float y((*iter-window_starty)/ph);
if(iter==get_work_area()->curr_guide)
cr->set_source_rgb(1.0,111.0/255.0,111.0/255.0);
else
cr->set_source_rgb(111.0/255.0,111.0/255.0,1.0);
cr->move_to(
0,
y
);
cr->line_to(
drawable_w,
y
);
cr->stroke();
}
cr->restore();
}
}
bool studio::Widget_NavView::on_expose_draw(GdkEventExpose */*exp*/)
{
#ifdef SINGLE_THREADED
// don't redraw if the previous redraw is still running single-threaded
// or we end up destroying the renderer that's rendering it
if (App::single_threaded && renderer && renderer->updating)
return false;
#endif
//print out the zoom
//HACK kind of...
//zoom_print.set_text(strprintf("%.1f%%",100*unit_to_zoom(adj_zoom.get_value())));
//draw the good stuff
on_start_render();
//if we've got a preview etc. display it...
if(get_canvas_view() && prev)
{
//axis transform from units to pixel coords
float xaxis = 0, yaxis = 0;
int canvw = get_canvas_view()->get_canvas()->rend_desc().get_w();
//int canvh = get_canvas_view()->get_canvas()->rend_desc().get_h();
float pw = get_canvas_view()->get_canvas()->rend_desc().get_pw();
float ph = get_canvas_view()->get_canvas()->rend_desc().get_ph();
int w = prev->get_width();
int h = prev->get_height();
//scale up/down to the nearest pixel ratio...
//and center in center
int offx=0, offy=0;
float sx, sy;
int nw,nh;
sx = drawto.get_width() / (float)w;
sy = drawto.get_height() / (float)h;
//synfig::warning("Nav redraw: now to scale the bitmap: %.3f x %.3f",sx,sy);
//round to smallest scale (fit entire thing in window without distortion)
if(sx > sy) sx = sy;
//else sy = sx;
//scaling and stuff
// the point to navpixel space conversion should be:
// (navpixels / canvpixels) * (canvpixels / canvsize)
// or (navpixels / prevpixels) * (prevpixels / navpixels)
xaxis = sx * w / (float)canvw;
yaxis = xaxis/ph;
xaxis /= pw;
//scale to a new pixmap and then copy over to the window
nw = (int)(w*sx);
nh = (int)(h*sx);
//must now center to be cool
offx = (drawto.get_width() - nw)/2;
offy = (drawto.get_height() - nh)/2;
//trivial escape
if(nw == 0 || nh == 0)return true;
//draw to drawing area
Glib::RefPtr<Gdk::GC> gc = Gdk::GC::create(drawto.get_window());
Cairo::RefPtr<Cairo::Context> cr = drawto.get_window()->create_cairo_context();
//synfig::warning("Nav: Scaling pixmap to off (%d,%d) with size (%d,%d)", offx,offy,nw, nh);
Glib::RefPtr<Gdk::Pixbuf> scalepx = prev->scale_simple(nw,nh,Gdk::INTERP_NEAREST);
cr->save();
//synfig::warning("Nav: Drawing scaled bitmap");
Gdk::Cairo::set_source_pixbuf(
cr, //cairo context
scalepx, //pixbuf
offx, offy //coordinates to place upper left corner of pixbuf
);
cr->paint();
//draw fancy red rectangle around focus point
const Point &wtl = get_canvas_view()->work_area->get_window_tl(),
&wbr = get_canvas_view()->work_area->get_window_br();
//it must be clamped to the drawing area though
int l=0,rw=0,t=0,rh=0;
const Point fp = -get_canvas_view()->work_area->get_focus_point();
//get focus point in normal space
rw = (int)(abs((wtl[0]-wbr[0])*xaxis));
rh = (int)(abs((wtl[1]-wbr[1])*yaxis));
//transform into pixel space
l = (int)(drawto.get_width()/2 + fp[0]*xaxis - rw/2);
t = (int)(drawto.get_height()/2 + fp[1]*yaxis - rh/2);
//coord system:
// tl : (offx,offy)
// axis multipliers = xaxis,yaxis
//synfig::warning("Nav: tl (%f,%f), br (%f,%f)", wtl[0],wtl[1],wbr[0],wbr[1]);
//synfig::warning("Nav: tl (%f,%f), br (%f,%f)", wtl[0],wtl[1],wbr[0],wbr[1]);
//synfig::warning("Nav: Drawing Rectangle (%d,%d) with dim (%d,%d)", l,t,rw,rh);
cr->set_line_width(2.0);
cr->set_line_cap(Cairo::LINE_CAP_BUTT);
cr->set_line_join(Cairo::LINE_JOIN_MITER);
cr->set_antialias(Cairo::ANTIALIAS_NONE);
cr->set_source_rgb(1,0,0);
cr->rectangle(l,t,rw,rh);
cr->stroke();
cr->restore();
}
return false; //draw everything else too
}
bool studio::Widget_NavView::on_drawto_draw(const Cairo::RefPtr<Cairo::Context> &cr)
{
#ifdef SINGLE_THREADED
// don't redraw if the previous redraw is still running single-threaded
// or we end up destroying the renderer that's rendering it
if (App::single_threaded && renderer && renderer->updating)
return false;
#endif
//draw the good stuff
on_start_render();
//if we've got a preview etc. display it...
if(get_canvas_view())
{
//axis transform from units to pixel coords
float xaxis = 0, yaxis = 0;
int canvw = get_canvas_view()->get_canvas()->rend_desc().get_w();
int w, h;
float pw = get_canvas_view()->get_canvas()->rend_desc().get_pw();
float ph = get_canvas_view()->get_canvas()->rend_desc().get_ph();
if(prev && !studio::App::navigator_uses_cairo)
{
w = prev->get_width();
h = prev->get_height();
}
if(studio::App::navigator_uses_cairo)
{
w=cairo_image_surface_get_width(cairo_surface);
h=cairo_image_surface_get_height(cairo_surface);
}
//scale up/down to the nearest pixel ratio...
//and center in center
float offx=0, offy=0;
float sx, sy;
int nw,nh;
sx = drawto.get_width() / (float)w;
sy = drawto.get_height() / (float)h;
//round to smallest scale (fit entire thing in window without distortion)
if(sx > sy) sx = sy;
//else sy = sx;
//scaling and stuff
// the point to navpixel space conversion should be:
// (navpixels / canvpixels) * (canvpixels / canvsize)
// or (navpixels / prevpixels) * (prevpixels / navpixels)
xaxis = sx * w / (float)canvw;
yaxis = xaxis/ph;
xaxis /= pw;
//scale to a new pixmap and then copy over to the window
nw = (int)(w*sx);
nh = (int)(h*sx);
//must now center to be cool
offx = (drawto.get_width() - nw)/2;
offy = (drawto.get_height() - nh)/2;
//trivial escape
if(nw == 0 || nh == 0)return true;
//draw to drawing area
if(prev && !studio::App::navigator_uses_cairo)
{
Glib::RefPtr<Gdk::Pixbuf> scalepx = prev->scale_simple(nw,nh,Gdk::INTERP_NEAREST);
cr->save();
//synfig::warning("Nav: Drawing scaled bitmap");
Gdk::Cairo::set_source_pixbuf(
cr, //cairo context
scalepx, //pixbuf
(int)offx, (int)offy //coordinates to place upper left corner of pixbuf
);
cr->paint();
cr->restore();
}
if(studio::App::navigator_uses_cairo)
{
cr->save();
cr->scale(sx, sx);
cairo_set_source_surface(cr->cobj(), cairo_surface, offx/sx, offy/sx);
cairo_pattern_set_filter(cairo_get_source(cr->cobj()), CAIRO_FILTER_NEAREST);
cr->paint();
cr->restore();
}
cr->save();
//draw fancy red rectangle around focus point
const Point &wtl = get_canvas_view()->work_area->get_window_tl(),
&wbr = get_canvas_view()->work_area->get_window_br();
//it must be clamped to the drawing area though
int l=0,rw=0,t=0,rh=0;
const Point fp = -get_canvas_view()->work_area->get_focus_point();
//get focus point in normal space
rw = (int)(abs((wtl[0]-wbr[0])*xaxis));
rh = (int)(abs((wtl[1]-wbr[1])*yaxis));
//transform into pixel space
l = (int)(drawto.get_width()/2 + fp[0]*xaxis - rw/2);
t = (int)(drawto.get_height()/2 + fp[1]*yaxis - rh/2);
//coord system:
// tl : (offx,offy)
// axis multipliers = xaxis,yaxis
cr->set_line_width(2.0);
cr->set_line_cap(Cairo::LINE_CAP_BUTT);
cr->set_line_join(Cairo::LINE_JOIN_MITER);
cr->set_antialias(Cairo::ANTIALIAS_NONE);
// Visually distinguish when using Cairo on Navigator or not.
if(!studio::App::navigator_uses_cairo)
cr->set_source_rgb(1,0,0);
else
cr->set_source_rgb(0,1,0);
cr->rectangle(l,t,rw,rh);
cr->stroke();
cr->restore();
}
return false; //draw everything else too
}
void FrequencyGraph( Cairo::RefPtr<Cairo::Context> cr, bool active, float x, float y, float xS, float yS, EqualizerState state)
{
cr->set_line_cap( Cairo::LINE_CAP_ROUND );
cr->set_line_join( Cairo::LINE_JOIN_ROUND);
int xSize = xS;
int ySize = yS;
// 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 < 4; i++ )
{
cr->move_to( x + ((xSize / 4.f)*i), y );
cr->line_to( x + ((xSize / 4.f)*i), y + ySize );
}
for ( int i = 0; i < 4; i++ )
{
cr->move_to( x , y + ((ySize / 4.f)*i) );
cr->line_to( x +xSize, y + ((ySize / 4.f)*i) );
}
cr->stroke();
cr->unset_dash();
// set colour based on active or not
if ( active )
setColour(cr, COLOUR_BLUE_1, 0.2 );
else
setColour(cr, COLOUR_GREY_1, 0.2 );
int tmpX = x;
int tmpY = y;
// precalculate some variables
float oldGainPix = (ySize / 60.f) * (state.gain[0] - 0.5 ) * 40;
float oldXLoc = 0;
float qPix = ((xSize * 0.2) / 3.f );
//float oldCutoff = 0;
// move to bottom left, draw line to middle left
cr->move_to( tmpX, tmpY + ySize );
cr->line_to( tmpX, tmpY + (ySize * 0.5) - oldGainPix );
for ( int i = 0; i < 4; i++ )
{
//float cutoff = state.cutoffFreq[i] / 20000;
float gainPix = (ySize / 60.f) * (state.gain[i] - 0.5 ) * 40;
float xLoc = xSize * 0.2 * (i+1);
//std::cout << "I: " << i << " GainPix: " << gainPix << " tmpY - gainPix" << tmpY - gainPix << std::endl;
cr->curve_to( tmpX + oldXLoc + qPix, tmpY + (ySize * 0.5) - oldGainPix ,// control point 1
tmpX + xLoc - qPix , tmpY + (ySize * 0.5) - gainPix , // control point 2
tmpX + xLoc , tmpY + (ySize * 0.5) - gainPix ); // end of curve
// update variables for next iter
oldGainPix = gainPix;
oldXLoc = xLoc;
//oldCutoff = cutoff;
}
// last bit of curve to the right edge
cr->curve_to( tmpX + oldXLoc + qPix, tmpY + (ySize * 0.5) - oldGainPix, // control point 1
tmpX + xSize - qPix, tmpY + (ySize * 0.5) - oldGainPix, // control point 2
tmpX + xSize , tmpY + (ySize * 0.5) - oldGainPix); // end of curve
cr->line_to( tmpX + xSize , tmpY + ySize );
cr->close_path();
cr->fill_preserve();
cr->set_line_width(2.5);
if ( active )
setColour(cr, COLOUR_BLUE_1 );
else
setColour(cr, COLOUR_GREY_1 );
cr->stroke();
// outline
cr->rectangle( x, y , xS, yS );
cr->set_line_width(3);
if ( active )
setColour(cr, COLOUR_GREY_2 );
else
setColour(cr, COLOUR_GREY_3 );
cr->stroke();
//std::cout << "LupppWidget::FrequencyGraph() called!" << std::endl;
}
Cairo::RefPtr<Cairo::ImageSurface>
TextSurface::create_cairo_surface(const std::string& text, const TextProperties& text_props,
Cairo::TextExtents& out_text_extents,
Cairo::FontExtents& out_font_extents)
{
{ // get TextExtents and FontExtents
Cairo::RefPtr<Cairo::ImageSurface> tmp_surface = Cairo::ImageSurface::create(Cairo::FORMAT_RGB24, 0, 0);
Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create(tmp_surface);
cr->set_font_size(text_props.get_font_size());
cr->select_font_face(text_props.get_font(), Cairo::FONT_SLANT_NORMAL, Cairo::FONT_WEIGHT_NORMAL);
cr->get_text_extents(text, out_text_extents);
cr->get_font_extents(out_font_extents);
}
Cairo::RefPtr<Cairo::ImageSurface>
surface = Cairo::ImageSurface::create(Cairo::FORMAT_ARGB32,
static_cast<int>(out_text_extents.width + text_props.get_line_width()),
static_cast<int>(out_text_extents.height + text_props.get_line_width()));
Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create(surface);
// set the font
cr->set_font_size(text_props.get_font_size());
cr->select_font_face(text_props.get_font(), Cairo::FONT_SLANT_NORMAL, Cairo::FONT_WEIGHT_NORMAL);
if (text_props.get_line_width() != 0)
{
// create path
cr->move_to(-out_text_extents.x_bearing + text_props.get_line_width()/2.0,
-out_text_extents.y_bearing + text_props.get_line_width()/2.0);
cr->text_path(text);
// paint
cr->set_line_width(text_props.get_line_width());
cr->set_line_join(Cairo::LINE_JOIN_ROUND);
cr->set_source_rgb(0.0, 0.0, 0.0);
cr->stroke();
}
// print text
cr->move_to(-out_text_extents.x_bearing + text_props.get_line_width()/2.0,
-out_text_extents.y_bearing + text_props.get_line_width()/2.0);
cr->set_source_rgb(1.0, 1.0, 0.0);
double y = -out_text_extents.y_bearing - out_font_extents.ascent;
// toying around with color gradients
if (false)
{
Cairo::RefPtr<Cairo::LinearGradient> gradient = Cairo::LinearGradient::create(0, y,
0, y + out_font_extents.ascent + out_font_extents.descent);
gradient->add_color_stop_rgb(0.0, 1.0, 1.0, 0.0);
gradient->add_color_stop_rgb(0.5, 1.0, 1.0, 1.0);
gradient->add_color_stop_rgb(0.5, 0.4, 0.4, 0.2);
gradient->add_color_stop_rgb(1.0, 1.0, 1.0, 0.0);
cr->set_source(gradient);
}
cr->show_text(text);
return surface;
}
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();
}
}
