- added gradients to holt_widget.cc

git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@1007 3ecf2c5c-341e-0410-92b4-d18e462d057c

src/holt_widget.cc

@@ -104,8 +104,10 @@ void HoltResource::draw(cairo_t *cr)
     _pos.real() - _radius,  _pos.imag() - _radius,
     2*_radius, 2*_radius);
   // fill
-  cairo_set_source_rgb (cr, 1, 0.5, 1);
+  cairo_set_source_rgb (cr, 1, 1, 1);
   cairo_fill_preserve (cr);
+  
+  
   // outline
   cairo_set_source_rgb (cr, 0, 0, 0);
 
@@ -164,34 +166,61 @@ HoltSchedulable::~HoltSchedulable()
 void HoltSchedulable::draw(cairo_t *cr)
 {
   cairo_save(cr); // save context state
+  cairo_pattern_t* gradient;
+  gradient = cairo_pattern_create_radial( _pos.real(), _pos.imag(), 0.0, _pos.real(), _pos.imag(), _radius);
 
+
+
+/*
+  _ready_process_gradient   = cairo_pattern_create_linear(0, 0, 0, _yu_process_bar_height * _y_unit);
+  // yellow
+  cairo_pattern_add_color_stop_rgba(_ready_process_gradient, 0.00, 1.0, 1.0, 0.5,  0.7);
+  cairo_pattern_add_color_stop_rgba(_ready_process_gradient, 1.00, 1.0, 1.0, 0.0,  1.0);
+  
+  _running_process_gradient = cairo_pattern_create_linear(0, 0, 0, _yu_process_bar_height * _y_unit);
+  // green
+  cairo_pattern_add_color_stop_rgba(_running_process_gradient, 0.00, 0.5, 1.0, 0.5,  0.7);
+  cairo_pattern_add_color_stop_rgba(_running_process_gradient, 1.00, 0.0, 1.0, 0.0,  1.0);
+  
+  _blocked_process_gradient = cairo_pattern_create_linear(0, 0, 0, _yu_process_bar_height * _y_unit);
+  // blue
+  cairo_pattern_add_color_stop_rgba(_blocked_process_gradient, 0.00, 0.5, 0.5, 1.0,  0.7);
+  cairo_pattern_add_color_stop_rgba(_blocked_process_gradient, 1.00, 0.0, 0.0, 1.0,  1.0);
+*/
   // draw circle
   cairo_arc (cr, _pos.real(), _pos.imag(), _radius, 0, 2 * M_PI);
   // filling
   switch(_schedulable->get_state())
   {
     case Schedulable::state_running:
-      //cairo_set_source_rgb (cr, 0.5, 1, 0.5);
+      // cairo_set_source_rgb (cr, 0, 1, 0);
-      cairo_set_source_rgb (cr, 0, 1, 0);
+      // green
+      cairo_pattern_add_color_stop_rgba(gradient, 0.00, 0.5, 1.0, 0.5,  0.7);
+      cairo_pattern_add_color_stop_rgba(gradient, 1.00, 0.0, 1.0, 0.0,  1.0);
+      cairo_set_source(cr, gradient);
       break;
     case Schedulable::state_ready:
-      // cairo_set_source_rgb (cr, 1, 1, 0.5);
+      // cairo_set_source_rgb (cr, 1, 1, 0);
-      cairo_set_source_rgb (cr, 1, 1, 0);
+      // yellow
+      cairo_pattern_add_color_stop_rgba(gradient, 0.00, 1.0, 1.0, 0.5,  0.7);
+      cairo_pattern_add_color_stop_rgba(gradient, 1.00, 1.0, 1.0, 0.0,  1.0);
+      cairo_set_source(cr, gradient);
       break;
     case Schedulable::state_blocked:
-      // cairo_set_source_rgb (cr, 1, 0.5, 0.5);
+      // cairo_set_source_rgb (cr, 1, 0, 0);
-      cairo_set_source_rgb (cr, 1, 0, 0);
+      // blue
+      cairo_pattern_add_color_stop_rgba(gradient, 0.00, 0.5, 0.5, 1.0,  0.7);
+      cairo_pattern_add_color_stop_rgba(gradient, 1.00, 0.0, 0.0, 1.0,  1.0);
+      cairo_set_source(cr, gradient);
       break;
     case Schedulable::state_future:
       //cairo_set_source_rgb (cr, 0.5, 0.5, 1);
-      cairo_set_source_rgb (cr, 0.5, 0.5, 1);
       break;
     case Schedulable::state_terminated:
       cairo_set_source_rgb (cr, 0.5, 0.5, 0.5);
       break;
   }
   cairo_fill_preserve (cr);
-  
   // outline
   cairo_set_source_rgb (cr, 0, 0, 0);
 
@@ -208,6 +237,7 @@ void HoltSchedulable::draw(cairo_t *cr)
   // stroke all
   cairo_stroke (cr);
   cairo_restore(cr); // restore context state
+  cairo_pattern_destroy(gradient);
 }
 
 Vec2 HoltSchedulable::get_intersection_to(Vec2 pt)
@@ -246,10 +276,12 @@ void HoltRequest::draw(cairo_t *cr)
   switch(_state)
   {
     case Request::state_unallocable:
-      cairo_set_source_rgb(cr, 1, 0, 0);
+      // blue
+      cairo_set_source_rgb(cr, 0, 0, 1);
       arrow(cr, schedulable, resource);
       break;
     case Request::state_allocated:
+      // green
       cairo_set_source_rgb(cr, 0, 1, 0);
       arrow(cr, resource, schedulable);
       break;
@@ -258,6 +290,7 @@ void HoltRequest::draw(cairo_t *cr)
     case Request::state_exhausted:
       break;
     case Request::state_allocable:
+      // yellow
       cairo_set_source_rgb(cr, 1, 1, 0);
       arrow(cr, schedulable, resource);
       break;
@@ -656,8 +689,6 @@ HoltWidget::draw_widget(cairo_t* ctx)
     piter++;
   }
 
-  cairo_set_line_width (ctx, 0.5 * cairo_get_line_width (ctx));
-
   typedef HoltRequests::const_iterator holt_requ_iterator;
   holt_requ_iterator reqiter = _holt_requests.begin();
   while(reqiter!=_holt_requests.end())