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/* gtkplotbox - box plots widget for gtk+
* Copyright 1999-2001 Adrian E. Feiguin <feiguin@ifir.edu.ar>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <gtk/gtk.h>
#include "gtkplot.h"
#include "gtkplot3d.h"
#include "gtkplotdata.h"
#include "gtkplotbox.h"
#include "gtkpsfont.h"
#define P_(string) string
static void gtk_plot_box_class_init (GtkPlotBoxClass *klass);
static void gtk_plot_box_init (GtkPlotBox *data);
static void gtk_plot_box_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gtk_plot_box_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void gtk_plot_box_draw_legend (GtkPlotData *data,
gint x, gint y);
static void gtk_plot_box_draw_symbol (GtkPlotData *data,
gdouble x,
gdouble y,
gdouble z,
gdouble a,
gdouble dx,
gdouble dy,
gdouble dz,
gdouble da);
static void gtk_plot_box_clone (GtkPlotData *data, GtkPlotData *copy);
extern inline gint roundint (gdouble x);
enum {
ARG_0,
ARG_ORIENTATION,
};
static GtkPlotDataClass *parent_class = NULL;
GtkType
gtk_plot_box_get_type (void)
{
static GtkType data_type = 0;
if (!data_type)
{
GtkTypeInfo data_info =
{
"GtkPlotBox",
sizeof (GtkPlotBox),
sizeof (GtkPlotBoxClass),
(GtkClassInitFunc) gtk_plot_box_class_init,
(GtkObjectInitFunc) gtk_plot_box_init,
/* reserved 1*/ NULL,
/* reserved 2 */ NULL,
(GtkClassInitFunc) NULL,
};
data_type = gtk_type_unique (gtk_plot_data_get_type(), &data_info);
}
return data_type;
}
static void
gtk_plot_box_class_init (GtkPlotBoxClass *klass)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkPlotDataClass *data_class;
GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
parent_class = gtk_type_class (gtk_plot_data_get_type ());
object_class = (GtkObjectClass *) klass;
widget_class = (GtkWidgetClass *) klass;
data_class = (GtkPlotDataClass *) klass;
gobject_class->set_property = gtk_plot_box_set_property;
gobject_class->get_property = gtk_plot_box_get_property;
g_object_class_install_property(gobject_class,
ARG_ORIENTATION,
g_param_spec_enum ("orientation",
P_("Orientation"),
P_("Orientation"),
GTK_TYPE_ORIENTATION, 0,
G_PARAM_READABLE|G_PARAM_WRITABLE));
data_class->clone = gtk_plot_box_clone;
data_class->draw_legend = gtk_plot_box_draw_legend;
data_class->draw_symbol = gtk_plot_box_draw_symbol;
/*
data_class->draw_data = gtk_plot_box_draw;
*/
}
static void
gtk_plot_box_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkPlotBox *data;
data = GTK_PLOT_BOX (object);
switch (prop_id)
{
case ARG_ORIENTATION:
data->orientation = g_value_get_enum(value);
break;
}
}
static void
gtk_plot_box_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkPlotBox *data;
data = GTK_PLOT_BOX (object);
switch (prop_id)
{
case ARG_ORIENTATION:
g_value_set_enum(value, data->orientation);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_plot_box_init (GtkPlotBox *dataset)
{
GtkWidget *widget;
GdkColor black, white;
GdkColormap *colormap;
widget = GTK_WIDGET(dataset);
colormap = gdk_colormap_get_system();
gdk_color_black(colormap, &black);
gdk_color_white(colormap, &white);
GTK_PLOT_DATA(dataset)->symbol.symbol_style = GTK_PLOT_SYMBOL_FILLED;
GTK_PLOT_DATA(dataset)->symbol.color = white;
GTK_PLOT_DATA(dataset)->line.line_style = GTK_PLOT_LINE_SOLID;
GTK_PLOT_DATA(dataset)->line.line_width = 1;
GTK_PLOT_DATA(dataset)->line.color = black;
}
GtkWidget*
gtk_plot_box_new (GtkOrientation orientation)
{
GtkWidget *widget;
widget = gtk_type_new (gtk_plot_box_get_type ());
gtk_plot_box_construct(GTK_PLOT_BOX(widget), orientation);
return (widget);
}
void
gtk_plot_box_construct (GtkPlotBox *box, GtkOrientation orientation)
{
box->orientation = orientation;
}
static void
gtk_plot_box_clone(GtkPlotData *data, GtkPlotData *copy)
{
GTK_PLOT_DATA_CLASS(parent_class)->clone(data, copy);
GTK_PLOT_BOX(copy)->orientation = GTK_PLOT_BOX(data)->orientation;
}
static void
gtk_plot_box_draw_symbol(GtkPlotData *dataset,
gdouble x, gdouble y, gdouble z, gdouble a,
gdouble dx, gdouble dy, gdouble dz, gdouble da)
{
GtkPlot *plot;
GtkPlotBox *box = NULL;
GtkPlotPoint errbar[6];
gdouble px, py;
gdouble px0, py0;
gdouble px1, py1;
gdouble x1 = 0.0, y1 = 0.0, width = 0.0, height = 0.0;
gdouble el_x, el_y, er_x, er_y, ed_x, ed_y, eu_x, eu_y;
gdouble m;
gdouble a_scale;
g_return_if_fail(GTK_IS_PLOT_BOX(dataset));
box = GTK_PLOT_BOX(dataset);
g_return_if_fail(dataset->plot != NULL);
plot = dataset->plot;
a_scale = gtk_plot_data_get_a_scale(dataset);
m = plot->magnification * a_scale;
gtk_plot_pc_set_lineattr (plot->pc, dataset->symbol.border.line_width,
0, 0, 0);
gtk_plot_pc_set_dash (plot->pc, 0, 0, 0);
if(x >= plot->xmin && x <= plot->xmax){
if(GTK_IS_PLOT3D(plot)){
}else{
if(dataset->show_zerrbars){
gtk_plot_pc_set_color(plot->pc, &dataset->symbol.border.color);
switch(box->orientation){
case GTK_ORIENTATION_VERTICAL:
gtk_plot_get_pixel(plot, x, y, &px, &py);
gtk_plot_get_pixel(plot, x, y, &px0, &py0);
gtk_plot_get_pixel(plot, x, z, &px1, &py1);
width = roundint(dataset->symbol.size * m);
height = abs(py1 - py0);
gtk_plot_get_pixel(plot, x, z + dy, &eu_x, &eu_y);
gtk_plot_get_pixel(plot, x, y - dy, &ed_x, &ed_y);
errbar[0].x = px-roundint(m * dataset->symbol.size/2);
errbar[0].y = eu_y;
errbar[1].x = px+roundint(m * dataset->symbol.size/2);
errbar[1].y = eu_y;
gtk_plot_pc_draw_lines(plot->pc, errbar, 2);
errbar[0].x = px;
errbar[0].y = eu_y;
errbar[1].x = px;
errbar[1].y = py1;
gtk_plot_pc_draw_lines(plot->pc, errbar, 2);
errbar[0].x = px-roundint(m * dataset->symbol.size/2);
errbar[0].y = ed_y;
errbar[1].x = px+roundint(m * dataset->symbol.size/2);
errbar[1].y = ed_y;
gtk_plot_pc_draw_lines(plot->pc, errbar, 2);
errbar[0].x = px;
errbar[0].y = ed_y;
errbar[1].x = px;
errbar[1].y = py0;
gtk_plot_pc_draw_lines(plot->pc, errbar, 2);
break;
case GTK_ORIENTATION_HORIZONTAL:
gtk_plot_get_pixel(plot, y, x, &px, &py);
gtk_plot_get_pixel(plot, y, x, &px0, &py0);
gtk_plot_get_pixel(plot, z, x, &px1, &py1);
height = roundint(dataset->symbol.size * m);
gtk_plot_get_pixel(plot, z + dy, x, &er_x, &er_y);
gtk_plot_get_pixel(plot, y - dy, x, &el_x, &el_y);
errbar[0].x = el_x;
errbar[0].y = py-roundint(m * dataset->symbol.size / 2.);
errbar[1].x = el_x;
errbar[1].y = py+roundint(m * dataset->symbol.size / 2.);
gtk_plot_pc_draw_lines(plot->pc, errbar, 2);
errbar[0].x = el_x;
errbar[0].y = py;
errbar[1].x = px0;
errbar[1].y = py;
gtk_plot_pc_draw_lines(plot->pc, errbar, 2);
errbar[0].x = er_x;
errbar[0].y = py-roundint(m * dataset->symbol.size / 2.);
errbar[1].x = er_x;
errbar[1].y = py+roundint(m * dataset->symbol.size / 2.);
gtk_plot_pc_draw_lines(plot->pc, errbar, 2);
errbar[0].x = er_x;
errbar[0].y = py;
errbar[1].x = px1;
errbar[1].y = py;
gtk_plot_pc_draw_lines(plot->pc, errbar, 2);
break;
}
}
switch(box->orientation){
case GTK_ORIENTATION_VERTICAL:
gtk_plot_get_pixel(plot, x, y, &px, &py);
gtk_plot_get_pixel(plot, x, y, &px0, &py0);
gtk_plot_get_pixel(plot, x, z, &px1, &py1);
y1 = MIN(py0,py1);
height = fabs(py0-py1);
width = roundint(dataset->symbol.size * m);
x1 = px0 - width / 2;
break;
case GTK_ORIENTATION_HORIZONTAL:
gtk_plot_get_pixel(plot, y, x, &px, &py);
gtk_plot_get_pixel(plot, y, x, &px0, &py0);
gtk_plot_get_pixel(plot, z, x, &px1, &py1);
x1 = MIN(px0,px1);
width = fabs(px0-px1);
height = roundint(dataset->symbol.size * m);
y1 = py0 - height / 2;
break;
}
if(dataset->symbol.symbol_style == GTK_PLOT_SYMBOL_OPAQUE){
gtk_plot_pc_set_color(plot->pc, &plot->background);
gtk_plot_pc_draw_rectangle (plot->pc,
TRUE,
x1, y1, width, height);
}
if(dataset->symbol.symbol_style == GTK_PLOT_SYMBOL_FILLED){
gtk_plot_pc_set_color(plot->pc, &dataset->symbol.color);
gtk_plot_pc_draw_rectangle (plot->pc,
TRUE,
x1, y1, width, height);
}
gtk_plot_pc_set_color(plot->pc, &dataset->symbol.border.color);
gtk_plot_pc_draw_rectangle (plot->pc,
FALSE,
x1, y1, width, height);
switch(box->orientation){
case GTK_ORIENTATION_VERTICAL:
gtk_plot_pc_draw_line(plot->pc, px-width/2, py, px+width/2, py);
break;
case GTK_ORIENTATION_HORIZONTAL:
gtk_plot_pc_draw_line(plot->pc, px, py-height/2, px, py+height/2);
break;
}
}
}
}
static void
gtk_plot_box_draw_legend(GtkPlotData *data, gint x, gint y)
{
GtkPlotBox *box;
GtkPlot *plot = NULL;
GtkPlotText legend;
GdkRectangle area;
gint lascent, ldescent, lheight, lwidth;
gdouble m;
box = GTK_PLOT_BOX(data);
g_return_if_fail(data->plot != NULL);
g_return_if_fail(GTK_IS_PLOT(data->plot));
g_return_if_fail(GTK_WIDGET_REALIZED(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);
}
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