static void
gtk_plot_surface_draw_private (GtkPlotData *data)
{
GtkPlot *plot;
GtkPlotSurface *surface;
g_return_if_fail(GTK_IS_PLOT_SURFACE(data));
surface = GTK_PLOT_SURFACE(data);
data = GTK_PLOT_DATA(surface);
g_return_if_fail(GTK_PLOT_DATA(data)->plot != NULL);
g_return_if_fail(GTK_IS_PLOT(GTK_PLOT_DATA(data)->plot));
if(data->redraw_pending) gtk_plot_surface_update_range(data);
plot = GTK_PLOT(data->plot);
gtk_plot_surface_real_draw(surface);
}
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);
}
static void
gtk_plot_bar_draw_legend(GtkPlotData *data, gint x, gint y)
{
GtkPlotBar *bar;
GtkPlot *plot = NULL;
GtkPlotText legend;
GdkRectangle area;
gint lascent, ldescent, lheight, lwidth;
gdouble m;
bar = GTK_PLOT_BAR(data);
g_return_if_fail(data->plot != NULL);
g_return_if_fail(GTK_IS_PLOT(data->plot));
g_return_if_fail(GTK_WIDGET_VISIBLE(data));
g_return_if_fail(GTK_WIDGET_VISIBLE(data->plot));
plot = data->plot;
area.x = GTK_WIDGET(plot)->allocation.x;
area.y = GTK_WIDGET(plot)->allocation.y;
area.width = GTK_WIDGET(plot)->allocation.width;
area.height = GTK_WIDGET(plot)->allocation.height;
m = plot->magnification;
legend = plot->legends_attr;
if(data->legend)
legend.text = data->legend;
else
legend.text = "";
gtk_plot_text_get_size(legend.text, legend.angle, legend.font,
roundint(legend.height * m),
&lwidth, &lheight,
&lascent, &ldescent);
legend.x = (gdouble)(area.x + x + roundint((plot->legends_line_width + 4) * m))
/ (gdouble)area.width;
legend.y = (gdouble)(area.y + y + lascent) / (gdouble)area.height;
gtk_plot_draw_text(plot, legend);
if(data->symbol.symbol_style == GTK_PLOT_SYMBOL_OPAQUE){
gtk_plot_pc_set_color(plot->pc, &plot->background);
gtk_plot_pc_draw_rectangle(plot->pc, TRUE,
x, y,
roundint(plot->legends_line_width * m),
lascent + ldescent);
}
gtk_plot_pc_set_lineattr (plot->pc, data->symbol.border.line_width, 0, 0, 0);
gtk_plot_pc_set_dash(plot->pc, 0, 0, 0);
if(data->symbol.symbol_style == GTK_PLOT_SYMBOL_FILLED){
gtk_plot_pc_set_color(plot->pc, &data->symbol.color);
gtk_plot_pc_draw_rectangle(plot->pc, TRUE,
x, y,
roundint(plot->legends_line_width * m),
lascent + ldescent);
}
gtk_plot_pc_set_color(plot->pc, &data->symbol.border.color);
gtk_plot_pc_draw_rectangle(plot->pc, FALSE,
x, y,
roundint(plot->legends_line_width * m),
lascent + ldescent);
}
static void
gtk_plot_candle_draw_legend(GtkPlotData *data, gint x, gint y)
{
GtkPlotCandle *box;
GtkPlot *plot = NULL;
GtkPlotText legend;
GdkRectangle area;
gint lascent, ldescent, lheight, lwidth;
gdouble m;
box = GTK_PLOT_CANDLE(data);
g_return_if_fail(data->plot != NULL);
g_return_if_fail(GTK_IS_PLOT(data->plot));
if(!GTK_WIDGET_REALIZED(data->plot)) return;
plot = data->plot;
area.x = GTK_WIDGET(plot)->allocation.x;
area.y = GTK_WIDGET(plot)->allocation.y;
area.width = GTK_WIDGET(plot)->allocation.width;
area.height = GTK_WIDGET(plot)->allocation.height;
m = plot->magnification;
legend = plot->legends_attr;
if(data->legend)
legend.text = data->legend;
else
legend.text = "";
gtk_plot_text_get_size(legend.text, legend.angle, legend.font,
roundint(legend.height * m),
&lwidth, &lheight,
&lascent, &ldescent);
legend.x = (gdouble)(area.x + x + roundint((plot->legends_line_width + 4) * m))
/ (gdouble)area.width;
legend.y = (gdouble)(area.y + y + lascent) / (gdouble)area.height;
gtk_plot_draw_text(plot, legend);
gtk_plot_pc_set_lineattr (plot->pc, data->symbol.border.line_width, 0, 0, 0);
gtk_plot_pc_set_dash (plot->pc, 0, 0, 0);
gtk_plot_pc_set_color(plot->pc, &data->symbol.color);
if(data->symbol.symbol_style == GTK_PLOT_SYMBOL_EMPTY){
gtk_plot_pc_draw_line(plot->pc,
x,
y + (lascent + ldescent) / 2,
x + roundint(plot->legends_line_width * m),
y + (lascent + ldescent) / 2);
} else {
gtk_plot_pc_draw_rectangle(plot->pc, TRUE,
x, y,
roundint(plot->legends_line_width * m),
lascent + ldescent);
gtk_plot_pc_set_color(plot->pc, &data->symbol.border.color);
gtk_plot_pc_draw_rectangle(plot->pc, FALSE,
x, y,
roundint(plot->legends_line_width * m),
lascent + ldescent);
}
}
static void
gtk_plot_surface_draw_legend(GtkPlotData *data, gint x, gint y)
{
GtkPlotSurface *surface;
GtkPlot *plot = NULL;
GtkPlotText legend;
GdkRectangle area;
gint lascent, ldescent, lheight, lwidth;
gdouble m;
surface = GTK_PLOT_SURFACE(data);
g_return_if_fail(data->plot != NULL);
g_return_if_fail(GTK_IS_PLOT(data->plot));
plot = data->plot;
area.x = GTK_WIDGET(plot)->allocation.x;
area.y = GTK_WIDGET(plot)->allocation.y;
area.width = GTK_WIDGET(plot)->allocation.width;
area.height = GTK_WIDGET(plot)->allocation.height;
m = plot->magnification;
legend = plot->legends_attr;
if(data->legend)
legend.text = data->legend;
else
legend.text = "";
gtk_plot_text_get_size(legend.text, legend.angle, legend.font,
roundint(legend.height * m),
&lwidth, &lheight,
&lascent, &ldescent);
if(!surface->height_gradient){
gtk_plot_pc_set_color(plot->pc, &surface->color);
gtk_plot_pc_draw_rectangle(plot->pc, TRUE,
x, y,
roundint(plot->legends_line_width * m),
lascent + ldescent);
}else{
gdouble level, step;
gint lx = x, lstep;
step = (data->gradient.end - data->gradient.begin) / 10;
lstep = roundint(plot->legends_line_width * m / 10.);
for(level = data->gradient.begin; level < data->gradient.end; level += step){
GdkColor color;
gtk_plot_data_get_gradient_level(data, level, &color);
gtk_plot_pc_set_color(plot->pc, &color);
gtk_plot_pc_draw_rectangle(plot->pc, TRUE,
lx, y,
lstep, lascent + ldescent);
lx += lstep;
}
}
legend.x = (gdouble)(area.x + x + roundint((plot->legends_line_width + 4) * m))
/ (gdouble)area.width;
legend.y = (gdouble)(area.y + y + lascent) / (gdouble)area.height;
gtk_plot_draw_text(plot, legend);
y += 2*lheight;
gtk_plot_data_draw_gradient(data, x, y);
}
static void
gtk_plot_flux_draw_legend(GtkPlotData *data, gint x, gint y)
{
GtkPlotFlux *flux;
GtkPlot *plot = NULL;
GtkPlotText legend;
GdkRectangle area;
gint lascent, ldescent, lheight, lwidth;
gdouble m;
gboolean centered;
GtkAllocation allocation;
flux = GTK_PLOT_FLUX(data);
centered = flux->centered;
g_return_if_fail(data->plot != NULL);
g_return_if_fail(GTK_IS_PLOT(data->plot));
g_return_if_fail(gtk_widget_get_visible(GTK_WIDGET(data->plot)));
plot = data->plot;
gtk_widget_get_allocation( GTK_WIDGET(plot), &allocation);
area.x = allocation.x;
area.y = allocation.y;
area.width = allocation.width;
area.height = allocation.height;
m = plot->magnification;
legend = plot->legends_attr;
if(data->legend)
legend.text = data->legend;
else
legend.text = "";
gtk_plot_text_get_size(legend.text, legend.angle, legend.font,
roundint(legend.height * m),
&lwidth, &lheight,
&lascent, &ldescent);
if(data->show_legend){
legend.x = (gdouble)(area.x + x) / (gdouble)area.width;
legend.y = (gdouble)(area.y + y + lascent) / (gdouble)area.height;
gtk_plot_draw_text(plot, legend);
}
if(flux->show_scale){
gchar new_label[100], text_max[100];
flux->centered = FALSE;
gtk_plot_flux_draw_arrow(flux,
area.x + x,
area.y + y + lheight * 3 / 2,
area.x + x + roundint(flux->size_max*m),
area.y + y + lheight * 3 / 2);
y += MAX(lheight, roundint(m*flux->arrow_width));
gtk_plot_axis_parse_label(data->gradient, flux->scale_max, flux->labels_precision, flux->labels_style, text_max);
if(flux->labels_prefix){
gchar aux_text[100];
g_snprintf(aux_text, 100, "%s%s", flux->labels_prefix, text_max);
g_snprintf(text_max, 100, "%s", aux_text);
}
if(flux->labels_suffix){
gchar aux_text[100];
g_snprintf(aux_text, 100, "%s%s", text_max, flux->labels_suffix);
g_snprintf(text_max, 100, "%s", aux_text);
}
g_snprintf(new_label, 100, "%s", text_max);
legend.x = (gdouble)(area.x + x + m*(flux->size_max + 4)) / (gdouble)area.width;
legend.y = (gdouble)(area.y + y + lascent) / (gdouble)area.height;
legend.text = new_label;
gtk_plot_draw_text(plot, legend);
flux->centered = centered;
y += lheight;
} else
y += lheight;
}
