C++ (Cpp) gtk_plot_pc_grestore примеры использования

Пример #1

Файл: gtkplotsurface.c Проект: Onjrew/OpenEV

static void
gtk_plot_surface_real_draw   (GtkPlotSurface *surface)  
{
  GtkWidget *widget;
  GtkPlot *plot = NULL;
  GtkPlotData *dataset;
  GList *list;

  g_return_if_fail(GTK_IS_PLOT_SURFACE(surface));

  dataset = GTK_PLOT_DATA(surface);

  g_return_if_fail(GTK_PLOT_DATA(dataset)->plot != NULL);
  g_return_if_fail(GTK_IS_PLOT(GTK_PLOT_DATA(dataset)->plot));

  plot = dataset->plot;
  widget = GTK_WIDGET(plot);

  gtk_plot_pc_gsave(plot->pc);

  if(!GTK_WIDGET_DRAWABLE(widget)) return;
  if(!GTK_WIDGET_VISIBLE(widget)) return;

  gtk_plot_set_line_attributes(plot, surface->mesh_line);

  list = surface->dt->triangles;
  while(list){
    GtkPlotDTtriangle *t;
 
    t = (GtkPlotDTtriangle *)list->data;
    GTK_PLOT_SURFACE_CLASS(GTK_OBJECT(surface)->klass)->draw_triangle(surface, t, -1.); 
    list = list->next;
  }

  gtk_plot_pc_grestore(plot->pc);
}

Пример #2

Файл: gtkplotpolar.c Проект: 2tim/gtkextra

static void
gtk_plot_polar_real_paint (GtkWidget *widget)
{
  GtkPlot *plot;
  GtkPlotText *child_text;
  GtkStyle *style;
  GdkPixmap *pixmap;
  GList *dataset;
  GList *text;
  gint width, height;
  gint xoffset, yoffset ;
  gdouble min;

  if(!gtk_widget_get_visible(widget)) return;

  plot = GTK_PLOT(widget);

  xoffset = plot->internal_allocation.x;
  yoffset = plot->internal_allocation.y;
  width = plot->internal_allocation.width;
  height = plot->internal_allocation.height;

  style = gtk_widget_get_style(widget);

  pixmap = plot->drawable;

  gtk_plot_pc_gsave(plot->pc);
  gtk_plot_pc_set_color(plot->pc, &plot->background);

  if(!gtk_plot_is_transparent(GTK_PLOT(plot)))
    gtk_plot_pc_draw_rectangle (plot->pc, TRUE,
                               xoffset, yoffset,
                               width , height);

  /* draw frame to guide the eyes*/
/*  gdk_draw_rectangle (pixmap, gc, FALSE,
                      xoffset, yoffset,
                      width , height);
*/

  /* draw the ticks & grid lines */

  min = plot->left->ticks.min;
  plot->left->ticks.min = 0.0;
  gtk_plot_axis_ticks_recalc(plot->left);
  gtk_plot_axis_ticks_recalc(plot->bottom);
  plot->left->ticks.min = min;

  if(plot->left->is_visible)
    {
      GtkPlotVector tick_direction;

      tick_direction.x = 1.;
      tick_direction.y = 0.;
      plot->left->origin.x = (gfloat)width*plot->left_align;
      plot->left->origin.y = height;
      gtk_plot_polar_draw_axis(GTK_PLOT_POLAR(plot), plot->left, tick_direction);
      gtk_plot_polar_draw_labels(GTK_PLOT_POLAR(plot), plot->left, tick_direction);
    }


  if(plot->top->is_visible)
    {
      GtkPlotVector tick_direction;

      tick_direction.x = 0.;
      tick_direction.y = 1.;
      plot->left->direction.x = 1;
      plot->left->direction.y = 0;
      plot->left->origin.x = 0;
      plot->left->origin.y = (gfloat)height*plot->left_align;
      gtk_plot_polar_draw_axis(GTK_PLOT_POLAR(plot), plot->left, tick_direction);
      gtk_plot_polar_draw_labels(GTK_PLOT_POLAR(plot), plot->left, tick_direction);
      plot->left->direction.x = 0;
      plot->left->direction.y = -1;
    }

  if(plot->bottom->is_visible)
    {
      gtk_plot_polar_draw_circle(GTK_PLOT_POLAR(plot));
    }

  gtk_plot_polar_draw_grids(GTK_PLOT_POLAR(plot));

  dataset = plot->data_sets;
  while(dataset)
   {
     GTK_PLOT_DATA_CLASS(GTK_OBJECT_GET_CLASS(GTK_OBJECT(dataset->data)))->draw_data(GTK_PLOT_DATA(dataset->data));
     dataset = dataset->next;
   }

  text = plot->text;
  while(text)
   {
     child_text = (GtkPlotText *) text->data;
     gtk_plot_draw_text(plot, *child_text);
     text = text->next;
   }

  GTK_PLOT_CLASS(GTK_OBJECT_GET_CLASS(GTK_OBJECT(plot)))->draw_legends(widget);

  gtk_plot_pc_grestore(plot->pc);
}