void
View::update(float delta)
{
//std::cout << "View:update: " << x1 << " " << y1 << " " << x2 << " " << y2
//<< " " << state.x_offset << " " << state.y_offset << std::endl;
if (view_updater)
view_updater->update(delta, state);
scene_context->reset_modelview();
scene_context->translate(get_x_offset(), get_y_offset());
//drawing_context.translate(state.x_offset, state.y_offset);
}
ss_model::ss_model(MODULE *module)
{
if (oclass==NULL)
{
// register to receive notice for first top down. bottom up, and second top down synchronizations
oclass = gld_class::create(module,"ss_model",sizeof(ss_model),PC_BOTTOMUP|PC_AUTOLOCK);
if (oclass==NULL)
throw "unable to register class ss_model";
else
oclass->trl = TRL_PRINCIPLE;
defaults = this;
if (gl_publish_variable(oclass,
PT_enumeration,"form",get_form_offset(),PT_DESCRIPTION,"desired canonical controller type",
PT_KEYWORD,"CCF",CF_CCF,
PT_KEYWORD,"OCF",CF_OCF,
PT_double,"timestep",get_timestep_offset(),PT_UNITS,"s",PT_DESCRIPTION,"discrete timestep",
PT_char1024, "Y", get_Y_offset(),PT_DESCRIPTION,"transfer function numerator coefficients",
PT_char1024, "U", get_U_offset(),PT_DESCRIPTION,"transfer function denominator coefficients",
PT_char1024, "x", get_x_offset(),PT_DESCRIPTION,"state variable values",
PT_char1024, "u", get_u_offset(),PT_DESCRIPTION,"ss_model variable names",
PT_char1024, "y", get_y_offset(),PT_DESCRIPTION,"output variable names",
PT_char1024, "H", get_H_offset(),PT_DESCRIPTION,"transfer function",
PT_char1024, "A", get_y_offset(),PT_DESCRIPTION,"canonical A matrix",
PT_char1024, "B", get_y_offset(),PT_DESCRIPTION,"canonical B matrix",
PT_char1024, "C", get_y_offset(),PT_DESCRIPTION,"canonical C matrix",
PT_char1024, "D", get_y_offset(),PT_DESCRIPTION,"canonical D matrix",
NULL)<1){
char msg[256];
sprintf(msg, "unable to publish properties in %s",__FILE__);
throw msg;
}
memset(this,0,sizeof(ss_model));
}
}
FloatVector2d
View::world_to_screen (const FloatVector2d& pos)
{
return FloatVector2d (pos.x + get_x_offset (),
pos.y + get_y_offset ());
}
FloatVector2d
View::screen_to_world (const FloatVector2d& pos)
{
return FloatVector2d (pos.x - get_x_offset (),
pos.y - get_y_offset ());
}
static void
ppg_line_visualizer_draw (PpgVisualizer *visualizer)
{
PpgLineVisualizerPrivate *priv;
PpgModelIter iter;
Line *line;
PpgColorIter color;
cairo_t *cr;
GValue value = { 0 };
gfloat height;
gfloat width;
gdouble x;
gdouble y;
gdouble begin;
gdouble end;
gdouble lower;
gdouble upper;
gdouble val = 0;
gint i;
g_return_if_fail(PPG_IS_LINE_VISUALIZER(visualizer));
priv = PPG_LINE_VISUALIZER(visualizer)->priv;
clutter_cairo_texture_clear(CLUTTER_CAIRO_TEXTURE(priv->actor));
cr = clutter_cairo_texture_create(CLUTTER_CAIRO_TEXTURE(priv->actor));
g_object_get(visualizer,
"begin", &begin,
"end", &end,
NULL);
g_object_get(priv->actor,
"width", &width,
"height", &height,
NULL);
/* FIXME: */
lower = 0;
upper = 200;
ppg_color_iter_init(&color);
cairo_set_line_width(cr, 1.0);
for (i = 0; i < priv->lines->len; i++) {
line = &g_array_index(priv->lines, Line, i);
cairo_move_to(cr, 0, height);
gdk_cairo_set_source_color(cr, &color.color);
if (!ppg_model_get_iter_first(line->model, &iter)) {
goto next;
}
do {
ppg_model_get_value(line->model, &iter, line->key, &value);
if (G_VALUE_HOLDS(&value, G_TYPE_DOUBLE)) {
val = g_value_get_double(&value);
} else if (G_VALUE_HOLDS(&value, G_TYPE_INT)) {
val = g_value_get_int(&value);
} else if (G_VALUE_HOLDS(&value, G_TYPE_UINT)) {
val = g_value_get_uint(&value);
} else {
g_critical("HOLDS %s", g_type_name(value.g_type));
g_assert_not_reached();
}
x = get_x_offset(begin, end, width, iter.time);
y = get_y_offset(lower, upper, height, val);
cairo_line_to(cr, x, y);
g_value_unset(&value);
} while (ppg_model_iter_next(line->model, &iter));
cairo_stroke(cr);
next:
ppg_color_iter_next(&color);
}
cairo_destroy(cr);
}
