void cairo::draw_face_edge_sequences( const Cairo::RefPtr<Cairo::Context>& cr, const Geodesics::surface_type::edge_descriptor& edge, const Geodesics& m_geodesics )
{
const auto e0out = Geodesics::edge_handle( edge, m_geodesics.get_surface() );
const auto e0w = m_geodesics.edge_windows( e0out );
const auto e0in = e0out.opposite();
const coord_t e0len = e0out.length();
// draw base
draw_edge_sequences( cr, e0w.first, e0w.second, m_geodesics );
// draw lower left edge
if( ! e0in.second ) return ;
auto e1out = e0in.first.next().opposite();
if( e1out.second )
{
auto e1w = m_geodesics.edge_windows( e1out.first );
const coord_t e1len = e1out.first.length();
cr->save();
cr->rotate( - e0in.first.next_inner_angle() );
cr->translate( e1len, 0. );
cr->rotate( M_PI );
//cr->scale( -1., -1. );
draw_edge_sequences( cr, e1w.first, e1w.second, m_geodesics );
cr->restore();
}
// draw lower right edge
const Geodesics::edge_handle e2in = e0in.first.previous();
const auto e2out = e2in.opposite();
if( ! e2out.second ) return;
auto e2w = m_geodesics.edge_windows( e2out.first );
cr->save();
cr->translate( e0len, 0. );
cr->rotate( e2in.next_inner_angle() );
cr->scale( -1., -1. );
draw_edge_sequences( cr, e2w.first, e2w.second, m_geodesics );
cr->restore();
}
bool MapDrawingArea::on_draw(const Cairo::RefPtr<Cairo::Context>& cr)
{
cr->translate(tran_x, tran_y);
cr->set_source(surface, 0, 0);
cr->paint();
return true;
}
void NodeRenderer::icon(const Cairo::RefPtr<Cairo::Context>& cr, AssetCache& cache)
{
// path to icon not set
if (s->icon_image.str().size() == 0 || s->icon_width == 0.0 || s->icon_height == 0.0)
return;
cr->save();
Cairo::RefPtr<Cairo::ImageSurface> image = cache.getImage(s->icon_image.str());
double width = s->icon_width < 0 ? image->get_width() : s->icon_width;
double height = s->icon_height < 0 ? image->get_height() : s->icon_height;
double x0 = floor(location.x - width/2.0);
double y0 = floor(location.y - height/2.0);
cr->translate(x0, y0);
cr->scale(width / image->get_width(),
height / image->get_height());
cr->set_source(image, 0, 0);
if (s->icon_opacity < 1.0)
cr->paint_with_alpha(s->icon_opacity);
else
cr->paint();
cr->restore();
}
bool CircuitWidget::on_expose_event(GdkEventExpose* event)
{
(void)event; // placate compiler..
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();
double xc = width/2.0;
double yc = height/2.0;
Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
circuitDrawer.renderCairo(cr->cobj());
cr->rectangle(event->area.x, event->area.y,
event->area.width, event->area.height);
cr->clip();
cr->rectangle (0, 0, width, height);
cr->set_source_rgb (1,1,1);
cr->fill ();
cr->translate (xc-ext.width/2.0-cx*scale, yc-ext.height/2.0-cy*scale);
if (circuit) {
rects = circuitDrawer.draw(*circuit, drawarch, drawparallel, ext, wirestart, wireend, scale, selections, ft_default, wirelabels);
generate_layout_rects ();
}
}
return true;
}
bool
ButtonWidget::on_expose_event(GdkEventExpose* event)
{
Gtk::DrawingArea::on_expose_event(event);
Glib::RefPtr<Gdk::Window> window = get_window();
if(window)
{
Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
int w = get_allocation().get_width() - 10;
int h = get_allocation().get_height() - 10;
cr->set_source_rgb(0.0, 0.0, 0.0);
cr->set_line_width(1.0);
cr->translate(5, 5);
cr->rectangle(0, 0, w, h);
if (down)
cr->fill_preserve();
cr->stroke();
if (down)
cr->set_source_rgb(1.0, 1.0, 1.0);
// FIXME: There are better ways to center text
if (name.size() == 2)
cr->move_to(w/2-6, h/2+3);
else
cr->move_to(w/2-4, h/2+3);
cr->show_text(name);
}
return true;
}
// helper function to draw an image
void Draw::draw_img(const Cairo::RefPtr<Cairo::Context>& cr, const Glib::RefPtr<Gdk::Pixbuf>& img,
const double translate_x, const double translate_y, const double scale_x, const double scale_y)
{
cr->save();
cr->translate(translate_x, translate_y);
cr->scale(scale_x, scale_y);
Gdk::Cairo::set_source_pixbuf(cr, img);
cr->paint();
cr->restore();
}
void EmblemCellRenderer::do_render(const Cairo::RefPtr<Cairo::Context>& context, int widget, int background_area, Gdk::Rectangle &cell_area, int flags) {
context->translate(cell_area.get_x(), cell_area.get_y());
context->rectangle(0, 0, cell_area.get_width(), cell_area.get_height());
context->clip();
// TODO: Incorporate padding
context->push_group();
if (!this->_icon_name.empty()) {
Glib::RefPtr<Gdk::Pixbuf> pixbuf = this->_get_pixbuf(this->_icon_name, this->_icon_size);
context->set_operator(Cairo::OPERATOR_SOURCE);
// Assumes square icons; may break if we don't get the requested size
int height_offset = int((cell_area.get_height() - pixbuf->get_height())/2);
Gdk::Cairo::set_source_pixbuf(context, pixbuf, 0, height_offset);
context->rectangle(0, height_offset,
pixbuf->get_width(), pixbuf->get_height());
context->fill();
if (this->_tint_color) {
Gdk::RGBA* c = this->_tint_color;
gushort r = c->get_red();
gushort g = c->get_green();
gushort b = c->get_blue();
// Figure out the difference between our tint colour and an
// empirically determined (i.e., guessed) satisfying luma and
// adjust the base colours accordingly
double luma = (r + r + b + g + g + g) / 6.;
double extra_luma = (1.2 - luma) / 3.;
r = std::min(r + extra_luma, 1.);
g = std::min(g + extra_luma, 1.);
b = std::min(b + extra_luma, 1.);
context->set_source_rgba(r, g, b, 0.4);
context->set_operator(Cairo::OPERATOR_ATOP);
context->paint();
}
if (!this->_emblem_name.empty()) {
Glib::RefPtr<Gdk::Pixbuf> pixbuf = this->_get_pixbuf(this->_emblem_name, this->_emblem_size);
int x_offset = this->_icon_size - this->_emblem_size;
context->set_operator(Cairo::OPERATOR_OVER);
Gdk::Cairo::set_source_pixbuf(context, pixbuf, x_offset, 0);
context->rectangle(x_offset, 0,
cell_area.get_width(), this->_emblem_size);
context->fill();
}
}
context->pop_group_to_source();
context->set_operator(Cairo::OPERATOR_OVER);
context->paint();
}
void CharacterRenderer::render(const Cairo::RefPtr<Cairo::Context> &cr) {
unsigned int sprite_index = 0;
if (first_render_) {
first_render_ = false;
last_x_ = position_.x();
}
std::vector<Glib::RefPtr<Gdk::Pixbuf> > *images;
if (std::abs(last_x_ - position_.x()) > THRESHOLD) {
sprite_index = ((sprite_step_ / 6) % sprites_moving_size()) + 1;
if (last_x_ - position_.x() > 0.0) {
right_direction_ = false;
} else {
right_direction_ = true;
}
}
if (last_x_ - position_.x() > THRESHOLD) {
images = &images_left_;
} else if ((last_x_ - position_.x()) < -THRESHOLD) {
images = &images_right_;
} else {
if (right_direction_) {
images = &images_right_;
} else {
images = &images_left_;
}
}
cr->translate(position_.x(), position_.y());
cr->scale(1.0 / (*images)[sprite_index]->get_width(), 1.0 / (*images)[sprite_index]->get_height());
cr->translate(-(*images)[sprite_index]->get_width() / 2, -(*images)[sprite_index]->get_height() / 2);
Gdk::Cairo::set_source_pixbuf(cr, (*images)[sprite_index], 0, 0);
cr->paint();
sprite_step_++;
last_x_ = position_.x();
}
void cairo::draw_edge_sequence( const Cairo::RefPtr<Cairo::Context>& cr, const Window& window, const Geodesics& m_geodesics, const rgba_color_ref_t& color )
{
Geodesics::edge_handle edge( window.edge, m_geodesics.get_surface() );
draw_triangle( cr, edge );
draw_window( cr, window, color );
if( window.predeccessor() )
{
const Window& predwin = *window.predeccessor();
Geodesics::edge_handle prededge( predwin.edge, m_geodesics.get_surface() );
assert( prededge.opposite().second );
cr->save();
if( prededge.source() == edge.source() )
{ // predeccessor on previous edge
assert( edge.previous().opposite().first == prededge );
cr->rotate( edge.previous().next_inner_angle() );
}else
{
assert( prededge.target() == edge.target() );
assert( edge.next().opposite().first == prededge );
// predeccessor on next edge
cr->translate( edge.length(), 0. );
cr->rotate( - edge.next_inner_angle() );
cr->translate( - prededge.length(), 0. );
}
draw_edge_sequence( cr, predwin, m_geodesics, color );
cr->restore();
}
}
bool rasterpolys(const vector<Poly> &polys,
const Vector2d &min, const Vector2d &max, double resolution,
Cairo::RefPtr<Cairo::ImageSurface> &surface,
Cairo::RefPtr<Cairo::Context> &context)
{
Vector2d diag = max - min;
int width = (int)ceil(diag.x()/resolution);
int height = (int)ceil(diag.y()/resolution);
if (height <= 0 || width <= 0)
return false;
surface = Cairo::ImageSurface::create(Cairo::FORMAT_A8, width, height);
//surface->set_device_offset(-min.x()/resolution, -min.y()/resolution);
context = Cairo::Context::create (surface);
context->set_fill_rule(Cairo::FILL_RULE_WINDING);
context->set_antialias(Cairo::ANTIALIAS_DEFAULT);
context->scale(1/resolution, 1/resolution);
context->translate(-min.x(), -min.y());
context->set_source_rgb (0,0,0);
//cerr << min << endl <<getMatrix(context) << endl;
// draw boundary
// context->begin_new_path();
// context->set_line_width(0.5);
// context->move_to(min.x(),min.y());
// context->line_to(max.x(),min.y());
// context->line_to(max.x(),max.y());
// context->line_to(min.x(),max.y());
// // context->move_to(0,0);
// // context->line_to(diag.x(),0);
// // context->line_to(diag.x(),diag.y());
// // context->line_to(0,diag.y());
// context->close_path();
// context->stroke();
context->begin_new_path();
context->set_line_width(0);
for (uint i=0; i<polys.size(); i++) {
Vector2d v = polys[i][0];
context->move_to(v.x(),v.y());
for (uint j=0; j<polys[i].size(); j++) {
Vector2d v = polys[i][j];
context->line_to(v.x(),v.y());
}
}
context->fill();
return true;
}
/* Draw the word cairo at NUM_TEXT different angles */
void draw(Cairo::RefPtr<Cairo::Context> cr, int width, int height)
{
int i, x_off, y_off;
Cairo::TextExtents extents;
std::string text("cairo");
cr->select_font_face("Bitstream Vera Sans", Cairo::FONT_SLANT_NORMAL,
Cairo::FONT_WEIGHT_NORMAL);
cr->set_font_size(TEXT_SIZE);
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);
cr->set_font_options(font_options);
cr->set_source_rgb(0.0, 0.0, 0.0);
cr->translate(width / 2.0, height / 2.0);
cr->get_text_extents(text, extents);
if (NUM_TEXT == 1)
{
x_off = y_off = 0;
}
else
{
y_off = (int) - floor(0.5 + extents.height / 2.0);
x_off = (int) floor(0.5 + (extents.height + 1.0) / (2.0 * tan (M_PI / NUM_TEXT)));
}
for (i=0; i < NUM_TEXT; i++)
{
cr->save();
cr->rotate(2 * M_PI * i / NUM_TEXT);
cr->set_line_width(1.0);
cr->set_source_rgb(1, 0, 0);
cr->stroke();
cr->move_to(x_off - extents.x_bearing, y_off - extents.y_bearing);
cr->set_source_rgb(0, 0, 0);
cr->show_text("Five Lights!");
cr->restore();
}
}
void Mediator::redraw()
{
Glib::RefPtr<Gdk::Window> Window = mref_DrawingArea.get_window();
if (Window)
{
Window->clear();
if (!m_Layers.empty())
{
Cairo::RefPtr<Cairo::Context> Context = Window->create_cairo_context();
Gtk::Allocation allocation = mref_DrawingArea.get_allocation();
const int width = allocation.get_width();
const int height = allocation.get_height();
Context->rectangle(0, 0, width, height);
Context->clip();
Context->set_antialias(Cairo::ANTIALIAS_SUBPIXEL);
Context->scale(mref_DrawingArea.getScale(), -mref_DrawingArea.getScale());
Context->translate(-mref_DrawingArea.getXTranslate(),
-mref_DrawingArea.getYTranslate());
std::vector<Layer*>::reverse_iterator rit;
for (rit = m_Layers.rbegin(); rit < m_Layers.rend(); ++rit)
{
if ((*rit)->getIsDisplay())
{
(*rit)->initialiseLayerContext(Context, mref_DrawingArea.getScale());
if ((*rit)->getClassName() == m_SelectedClassName)
{
(*rit)->draw(Context, mref_DrawingArea.getScale(),
m_SelectedUnitIds, (*rit)->getDisplayID());
}
else
{
std::set<int> tempVoidVector;
(*rit)->draw(Context, mref_DrawingArea.getScale(), tempVoidVector,
(*rit)->getDisplayID());
}
}
}
}
}
}
/** Button press event handler.
* @param event event data
* @return true
*/
bool
LaserDrawingArea::on_button_press_event(GdkEventButton *event)
{
__last_mouse_x = event->x;
__last_mouse_y = event->y;
double user_x = event->x;
double user_y = event->y;
Glib::RefPtr<Gdk::Window> window = get_window();
Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
cr->save();
cr->translate(__xc, __yc);
cr->rotate(0.5 * M_PI + __rotation);
cr->scale(-__zoom_factor, __zoom_factor);
cr->device_to_user(user_x, user_y);
printf("Clicked at (%.3lf, %.3lf)\n", user_x, user_y);
cr->restore();
return true;
}
void CardWidget::Draw(Cairo::RefPtr<Cairo::Context> cr, int x, int y)
{
bool highlight = highlightOnHover && isMouseInArea;
Cairo::RefPtr<Cairo::ImageSurface> image = PrefSlots::getImagesStorage().GetCardImage(card);
cr->save();
cr->translate(x, y);
cr->scale(1.0 * width / image->get_width(), 1.0 * height / image->get_height());
cr->rectangle(0, 0, image->get_width(), image->get_height());
cr->clip();
if( highlight ) {
cr->save();
cr->set_source_rgb(0.1, 0.8, 0.1);
cr->paint();
cr->restore();
}
cr->set_source(image, 0, 0);
cr->paint_with_alpha( highlight ? 0.7 : 1.0 );
cr->restore();
}
//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
}
bool InfoWidget::drawChart(const::Cairo::RefPtr<Cairo::Context> &context)
{
context->save();
const double width = m_chartDrawingArea.get_allocation().get_width();
const double height = m_chartDrawingArea.get_allocation().get_height();
context->set_source_rgb(m_data.color.get_red(), m_data.color.get_green(), m_data.color.get_blue());
context->rectangle(0, 0, width, height);
context->fill();
const Gdk::RGBA color = get_style_context()->get_color();
context->set_source_rgb(color.get_red(), color.get_green(), color.get_blue());
const double titleX = width / 2.0;
const double titleY = height / 2.0;
auto layout = Pango::Layout::create(context);
layout->set_justify(true);
layout->set_alignment(Pango::ALIGN_CENTER);
if (m_data.subtitle.empty())
layout->set_markup(m_data.title);
else
layout->set_markup(m_data.title + "\n<span size=\"x-small\">" + m_data.subtitle + "</span>");
auto fontDescription = get_style_context()->get_font();
fontDescription.set_size(2 * fontDescription.get_size());
layout->set_font_description(fontDescription);
const auto rectangle = layout->get_pixel_logical_extents();
context->translate(titleX - rectangle.get_width() / 2.0, titleY - rectangle.get_height() / 2.0);
layout->show_in_cairo_context(context);
context->restore();
return true;
}
void ImageWidget::redrawWithoutChanges(Cairo::RefPtr<Cairo::Context> cairo, unsigned width, unsigned height)
{
if(_isInitialized) {
cairo->set_source_rgb(1.0, 1.0, 1.0);
cairo->set_line_width(1.0);
cairo->rectangle(0, 0, width, height);
cairo->fill();
int
destWidth = width - (int) floor(_leftBorderSize + _rightBorderSize),
destHeight = height - (int) floor(_topBorderSize + _bottomBorderSize),
sourceWidth = _imageSurface->get_width(),
sourceHeight = _imageSurface->get_height();
cairo->save();
cairo->translate((int) round(_leftBorderSize), (int) round(_topBorderSize));
cairo->scale((double) destWidth / (double) sourceWidth, (double) destHeight / (double) sourceHeight);
Cairo::RefPtr<Cairo::SurfacePattern> pattern = Cairo::SurfacePattern::create(_imageSurface);
pattern->set_filter(_cairoFilter);
cairo->set_source(pattern);
cairo->rectangle(0, 0, sourceWidth, sourceHeight);
cairo->clip();
cairo->paint();
cairo->restore();
cairo->set_source_rgb(0.0, 0.0, 0.0);
cairo->rectangle(round(_leftBorderSize), round(_topBorderSize), destWidth, destHeight);
cairo->stroke();
if(_showColorScale)
_colorScale->Draw(cairo);
if(_showXYAxes)
{
_vertScale->Draw(cairo);
_horiScale->Draw(cairo);
}
if(_plotTitle != 0)
_plotTitle->Draw(cairo);
}
}
void cairo::draw_triangle( const Cairo::RefPtr<Cairo::Context>& cr, const Geodesics::edge_handle& e0 )
{
const rgba_color_t color( .8, .8, .8, .3);
// get edge-free pair
const Geodesics::edge_handle e1 ( e0.next() );
const Geodesics::edge_handle e2 ( e1.next() );
const coord_t e0l= e0.length();
const coord_t e1l= e1.length();
const coord_t e2l= e2.length();
// coordinates of C - using circle-circle intersection ( intersect circle (w.b0,w.d0) with (w.b1,w.d1) )
cairo_coord_t A(0.,0.);
cairo_coord_t B(e0l,0.);
cairo_coord_t C;
boost::tie(C[0],C[1]) = utk::triangulate( e0l, e2l, e1l );
//C[1] = - C[1];
const coord2_t centroid = ( ( coord2_t(e0l, 0) += C ) /= coord_t(3) );
cr->save();
//cr->set_operator( Cairo::OPERATOR_DEST_OVER );
cr->set_source_rgba( color[0], color[1], color[2], color[3] );
cr->save();
// shrink slightly towards centroid
cr->translate( centroid[0], centroid[1] );
cr->scale( .95, .95 );
cr->translate( -centroid[0], -centroid[1] );
//draw triangle
cr->set_line_width( 1. * user_unit_distance( cr ).length() );
draw_half_arrow( cr, A, B );
draw_half_arrow( cr, B, C );
draw_half_arrow( cr, C, A );
cr->restore();
cr->stroke();
cr->restore();
// draw text
cr->save();
cr->user_to_device( A[0], A[1] );
cr->user_to_device( B[0], B[1] );
cr->user_to_device( C[0], C[1] );
cr->set_identity_matrix();
//cr->select_font_face( "Purisa", Cairo::FONT_SLANT_NORMAL, Cairo::FONT_WEIGHT_NORMAL );
cr->set_source_rgba( 0., 0., 0.,.5 );
cr->set_font_size( 8. /* user_unit_distance( cr ).length()*/ );
std::ostringstream nrss;
nrss << e0.source().descriptor();
draw_centered_text( cr, nrss.str(), A );
nrss.str("");
nrss << e1.source().descriptor();
draw_centered_text( cr, nrss.str(), B );
nrss.str("");
nrss << e2.source().descriptor();
draw_centered_text( cr, nrss.str(), C );
cr->restore();
}
bool graphView::on_draw(const Cairo::RefPtr<Cairo::Context>& cr){
//Get the allocation of our widget, and get the height and width from it
Gtk::Allocation wAllocation = this->get_allocation();
const int wHeight = wAllocation.get_height();
const int wWidth = wAllocation.get_width();
const double lineWidth = wHeight;
//scale the Cario context obj to the current wHeight and wWidth
//cr->scale(wWidth, wHeight);
//now change the offset point coordinates, so point (0,0) will be at (0.5,0.5)
cr->translate(wWidth/2, wHeight/2);
//set the line width to 2 px, this should be a settings for each graph in the futur
cr->set_line_width(1);
//paint the background white
cr->set_source_rgb(1,1,1);
cr->paint();
//draw the coordinatesystem
cr->set_source_rgb(0,0,0);
cr->move_to(0,0);
cr->line_to(wWidth,0);
cr->move_to(0,0);
cr->line_to(0,wHeight);
cr->move_to(0,0);
cr->line_to(-1*wWidth,0);
cr->move_to(0,0);
cr->line_to(0,-1*wHeight);
//draw the axes unit, again this should't be hardcoded in the futur
cr->move_to(0,0);
for(int i = 1; i <= 25; i++)
{
cr->move_to((wWidth*0.5/25)*i,0);
cr->rel_move_to(0, -8);
cr->rel_line_to(0,16);
cr->rel_move_to(0, -8);
cr->move_to((wWidth*0.5/25)*-i,0);
cr->rel_move_to(0, -8);
cr->rel_line_to(0,16);
cr->rel_move_to(0, -8);
}
cr->move_to(0, 0);
for(int i = 1; i <= 25; i++)
{
cr->move_to(0,(wHeight*0.5/25)*i);
cr->rel_move_to(-8,0);
cr->rel_line_to(16,0);
cr->rel_move_to(-8,0);
cr->move_to(0,(wHeight*0.5/25)*-i);
cr->rel_move_to(-8,0);
cr->rel_line_to(16,0);
cr->rel_move_to(-8,0);
}
cr->stroke();
cr->set_source_rgb(0.8,0,0);
if(this->tree)
{
cr->set_line_width(3);
std::vector<equation*> eqs = this->tree->getEquations();
double pxWidth = wWidth/50;
double pxHeight = wHeight/50;
for(int i = 0; i < eqs.size(); i++){
equation *eq = eqs[i];
for(double x = -25; x<= 25; x+= 0.01)
{
double y = eq->getYFromX(x);
cr->move_to(x*pxWidth,-1*(y*pxHeight));
cr->rel_line_to(1,1);
}
cr->stroke();
}
}
return true;
}
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 cairo::draw_window( const Cairo::RefPtr<Cairo::Context>& cr, const Window& window, const rgba_color_ref_t& color )
{
const ps_t ps = window.pseudosource();
cairo_coord_t B0( window.bound<LEFT>(), 0 );
cairo_coord_t B1( window.bound<RIGHT>(), 0 );
cairo_coord_t PS( ps[0], ps[1] );
cr->save();
cr->set_source_rgba( color[0], color[1], color[2], color[3] );
cr->move_to( B0[0], B0[1] + cr->get_line_width() );
cr->line_to( B1[0], B1[1] + cr->get_line_width() );
cr->stroke();
std::vector<double> dashes(2);
dashes[0] = 2. * user_unit_distance( cr ).length();
dashes[1] = 10. * user_unit_distance( cr ).length();
cr->set_dash( dashes, 0. );
cr->set_source_rgba( color[0], color[1], color[2], color[3]*.5 );
cr->move_to( B1[0], B1[1] );
cr->line_to( PS[0], PS[1] );
cr->line_to( B0[0], B0[1] );
cr->stroke();
cr->restore();
cr->save();
cr->set_font_size( 8. * user_unit_distance( cr ).length() );
cr->set_source_rgba( color[0], color[1], color[2], 1. );
std::ostringstream nrss;
nrss << window.id;
cairo_coord_t pos = (B0+B1)*.5;
pos[1] += 5.*user_unit_distance( cr ).length();
cr->translate( pos[0], pos[1] );
cr->scale( 1., -1. );
draw_centered_text( cr, nrss.str() );
cr->restore();
#if defined DBG_FLAT_MMP_VISUALIZER_DRAW_WINDOW
std::clog << "mmp::visualizer::draw_window\t|"
<< window
<< std::endl
<< "\t\t\t\t\t|"
<< " color " << color
<< " bounds " << bb
<< std::endl;
#endif
}
static void
skillgui_cairo_render_begin_page(GVJ_t *job)
{
#ifdef USE_GVPLUGIN_TIMETRACKER
__tt.ping_start(__ttc_page);
__tt.ping_start(__ttc_beginpage);
#endif
SkillGuiCairoRenderInstructor *cri = (SkillGuiCairoRenderInstructor *)job->context;
obj_state_t *obj = job->obj;
if (obj && obj->type == ROOTGRAPH_OBJTYPE) {
__fontname = agget(obj->u.g, (char *)"fontname");
}
float bbwidth = job->bb.UR.x - job->bb.LL.x;
float bbheight = job->bb.UR.y - job->bb.LL.y;
cri->set_bb(bbwidth, bbheight);
cri->set_pad(job->pad.x, job->pad.y);
Cairo::RefPtr<Cairo::Context> cairo = cri->get_cairo();
double pad_x, pad_y;
cri->get_pad(pad_x, pad_y);
// For internal calculations we need to care about the padding
//bbwidth += 2 * pad_x;
//bbheight += 2 * pad_y;
double avwidth, avheight;
cri->get_dimensions(avwidth, avheight);
float translate_x = 0;
float translate_y = 0;
if ( cri->scale_override() ) {
float zoom = cri->get_scale();
float zwidth = bbwidth * zoom;
float zheight = bbheight * zoom;
translate_x += (avwidth - zwidth ) / 2.;
translate_y += (avheight - zheight) / 2.;
double translate_x, translate_y;
cri->get_translation(translate_x, translate_y);
cairo->translate(translate_x, translate_y);
cairo->scale(zoom, zoom);
} else {
float zoom_w = avwidth / bbwidth;
float zoom_h = avheight / bbheight;
float zoom = std::min(zoom_w, zoom_h);
if (bbwidth > avwidth || bbheight > avheight) {
float zwidth = bbwidth * zoom;
float zheight = bbheight * zoom;
translate_x += (avwidth - zwidth ) / 2.;
translate_y += (avheight - zheight) / 2. + zheight;
} else {
zoom = 1.0;
translate_x += (avwidth - bbwidth) / 2.;
translate_y += (avheight - bbheight) / 2. + bbheight;
}
cri->set_scale(zoom);
cri->set_translation(translate_x, translate_y);
cairo->translate(translate_x + pad_x * zoom, translate_y - pad_y * zoom);
cairo->scale(zoom, zoom);
}
#ifdef USE_GVPLUGIN_TIMETRACKER
__num_ellipse = 0;
__num_bezier = 0;
__num_polygon = 0;
__num_polyline = 0;
__num_text = 0;
__tt.ping_end(__ttc_beginpage);
#endif
}
void guiRenderer2D::drawMatrices(const Cairo::RefPtr<Cairo::Context>& cr, int width, int height, bool screenshot) {
cr->scale(m_scaleFactor, m_scaleFactor); // Scale sensor to fit the active window
cr->translate(m_offsetX, m_offsetY); // Center figure on drawable/surface
cr->set_line_width(0.25);
for(uint m = 0; m < m_frameManager->getNumMatrices(); m++) {
matrixInfo &matrix = m_frameManager->getMatrixInfo(m);
// TSFrame* tsFrame = m_frameManager->getCurrentFrame();
TSFrame* tsFrame = m_frameManager->getCurrentFilteredFrame();
for(uint y = 0; y < matrix.cells_y; y++) {
for(uint x = 0; x < matrix.cells_x; x++) {
bool maskedStatic = m_frameManager->getStaticMask(m, x, y);
bool maskedDynamic = m_frameManager->getDynamicMask(m, x, y);
uint cellID = matrix.texel_offset + y * matrix.cells_x + x;
float value = tsFrame->cells[cellID];
if(maskedStatic) {
RGB color = determineColor(value);
// Draw sensor cell rectangle
cr->rectangle(m_rectangleTopLeftX[cellID], m_rectangleTopLeftY[cellID], m_rectangleWidth[cellID], m_rectangleHeight[cellID]);
cr->set_source_rgb(0.0, 0.0, 0.0);
cr->stroke_preserve(); // Cell outline
if(maskedDynamic) {
if(value > 0.0) {
cr->set_source_rgb(color.r, color.g, color.b); // Active cells
} else {
cr->set_source_rgb(1.0, 1.0, 1.0); // Inactive cells
}
} else {
cr->set_source_rgb(0.8, 0.8, 0.8); // Disabled cells
}
cr->fill();
}
// Highlight selected cells
if(m_frameManager->isSelected(cellID)) {
cr->rectangle(m_rectangleTopLeftX[cellID], m_rectangleTopLeftY[cellID], m_rectangleWidth[cellID], m_rectangleHeight[cellID]);
cr->set_source_rgba(0.0, 1.0, 0.0, 0.5); // Fill active cells
cr->fill();
}
if(screenshot) {
if(maskedStatic) {
// Print values
Cairo::RefPtr<Cairo::ToyFontFace> font = Cairo::ToyFontFace::create("LMSans10", Cairo::FONT_SLANT_NORMAL, Cairo::FONT_WEIGHT_NORMAL);
cr->set_font_face(font);
cr->set_font_size(matrix.texel_width/3);
std::ostringstream ss;
ss << value;
std::string valueStr = ss.str();
Cairo::TextExtents te;
cr->get_text_extents(valueStr, te);
cr->move_to(m_matrixCellCenterX[cellID]-te.width/2, m_matrixCellCenterY[cellID]+te.height/2);
cr->set_source_rgb(0.0, 0.0, 0.0);
cr->show_text(valueStr);
}
}
}
}
if(!screenshot) {
{
// Print Matrix IDs
Cairo::RefPtr<Cairo::ToyFontFace> font = Cairo::ToyFontFace::create("LMSans10", Cairo::FONT_SLANT_NORMAL, Cairo::FONT_WEIGHT_NORMAL);
cr->set_font_face(font);
cr->set_font_size(matrix.cells_x*matrix.texel_width);
std::ostringstream ss;
ss << m;
std::string idString = ss.str();
Cairo::TextExtents te;
cr->get_text_extents(idString, te);
cr->move_to(m_newCenterX[m]-te.width/2, m_newCenterY[m]+te.height/2);
cr->set_source_rgba(0.3, 0.3, 0.3, 0.3);
cr->show_text(idString);
}
}
}
}
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;
}
/** Expose event handler.
* @param event event info structure.
* @return signal return value
*/
bool
LaserDrawingArea::on_expose_event(GdkEventExpose* event)
#endif
{
// This is where we draw on the window
Glib::RefPtr<Gdk::Window> window = get_window();
if(window) {
Gtk::Allocation allocation = get_allocation();
if(__first_draw)
{
__first_draw = false;
const int width = allocation.get_width();
const int height = allocation.get_height();
// coordinates for the center of the window
__xc = width / 2;
__yc = height / 2;
}
#if GTK_VERSION_LT(3,0)
Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
#endif
cr->set_line_width(1.0);
cr->set_source_rgb(1, 1, 1);
#if GTK_VERSION_LT(3,0)
// 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->fill_preserve();
cr->clip();
#else
cr->paint();
#endif
cr->set_source_rgb(0, 0, 0);
//cr->set_source_rgba(0,0,0,1);
// __last_xc += __translation_x;
// __last_yc += __translation_y;
cr->translate(__xc, __yc);
cr->save();
if (! __connected) {
Cairo::TextExtents te;
std::string t = "Not connected to BlackBoard";
cr->set_source_rgb(1, 0, 0);
cr->set_font_size(20);
cr->get_text_extents(t, te);
cr->move_to(- te.width / 2, -te.height / 2);
cr->show_text(t);
} else if ( __laser_ifs.empty() ) {
Cairo::TextExtents te;
std::string t = "No interface opened";
cr->set_source_rgb(1, 0, 0);
cr->set_font_size(20);
cr->get_text_extents(t, te);
cr->move_to(- te.width / 2, -te.height / 2);
cr->show_text(t);
} else if (! all_laser_ifs_have_writer() ) {
Cairo::TextExtents te;
std::string t = "No writer for ";
for (std::list<InterfaceColorPair>::const_iterator it = __laser_ifs.begin();
it != __laser_ifs.end(); ++it) {
fawkes::Interface* itf = it->first;
if (!itf->has_writer()) {
t += itf->uid();
t += ' ';
}
}
cr->set_source_rgb(1, 0, 0);
cr->set_font_size(20);
cr->get_text_extents(t, te);
cr->move_to(- te.width / 2, -te.height / 2);
cr->show_text(t);
} else {
if (! __break_drawing) {
for (std::list<InterfaceColorPair>::const_iterator it = __laser_ifs.begin();
it != __laser_ifs.end(); ++it) {
fawkes::Interface* laser_if = it->first;
laser_if->read();
}
}
for (std::list<InterfaceColorPair>::const_iterator it = __laser_ifs.begin();
it != __laser_ifs.end(); ++it) {
const fawkes::Interface* laser_if = it->first;
const Color& color = it->second;
cr->save();
cr->set_source_rgb(color.r, color.g, color.b);
draw_beams(laser_if, window, cr);
cr->restore();
}
if (__robot_drawer) __robot_drawer->draw_robot(window, cr);
for (std::list<InterfaceColorPair>::const_iterator it = __laser_ifs.begin();
it != __laser_ifs.end(); ++it) {
const fawkes::Interface* laser_if = it->first;
const Color& color = it->second;
cr->save();
cr->set_source_rgb(color.r, color.g, color.b);
draw_segments(laser_if, window, cr);
cr->restore();
}
draw_persons_legs(window, cr);
if(__switch_if != NULL && __switch_if->has_writer()){
SwitchInterface::EnableSwitchMessage *esm = new SwitchInterface::EnableSwitchMessage();
__switch_if->msgq_enqueue(esm);
}
}
cr->restore();
cr->save();
cr->rotate(0.5 * M_PI + __rotation);
cr->scale(-__zoom_factor, __zoom_factor);
cr->set_line_width(1. / __zoom_factor);
if (__visdisp_if) {
__visdisp->process_messages();
__visdisp->draw(cr);
}
const float radius = 0.01;
if (__line_if) {
__line_if->read();
if (__line_if->has_writer() &&
__line_if->is_valid() && __line_if->is_visible()) {
cr->set_source_rgb(1, 0, 0);
/*
std::vector<double> dashes(1);
dashes[0] = 0.1;
cr->set_dash(dashes, 0);
*/
cr->rectangle(__line_if->world_x() - radius * 0.5, __line_if->world_y() - radius * 0.5, radius, radius);
cr->rectangle(__line_if->relative_x() - radius * 0.5, __line_if->relative_y() - radius * 0.5, radius, radius);
cr->fill_preserve();
cr->stroke();
cr->move_to(__line_if->world_x(), __line_if->world_y());
cr->line_to(__line_if->relative_x(), __line_if->relative_y());
cr->stroke();
}
}
cr->restore();
}
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;
}
void translate__(Glib::ustring& d1,Glib::ustring& d2){
cr_->translate(s2f__(d1), s2f__(d2));
}
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 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
}
