Cairo-Chart/test/ChartTest.vala

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using Gtk, CairoChart;
void plot_chart1 (Chart chart) {
var s1 = new Series ();
var s2 = new Series ();
var s3 = new Series ();
s1.title = new Text("Series 1"); s1.color = new Color (1, 0, 0);
s1.points = {new Series.Point(0, 0), new Series.Point(2, 1), new Series.Point(1, 3)};
s1.axis_x.position = Series.Axis.Position.HIGH;
s1.axis_x.format = "%.3Lf";
s2.title = new Text("Series 2"); s2.color = new Color (0, 1, 0);
s2.points = {new Series.Point(5, -3), new Series.Point(25, -18), new Series.Point(-11, 173)};
s3.title = new Text("Series 3"); s3.color = new Color (0, 0, 1);
s3.points = {new Series.Point(9, 17), new Series.Point(2, 10), new Series.Point(122, 31)};
s3.axis_y.position = Series.Axis.Position.HIGH;
s1.axis_x.min = 0; s1.axis_x.max = 2;
s1.axis_y.min = 0; s1.axis_y.max = 3;
s1.place.x_low = 0.25; s1.place.x_high = 0.75;
s1.place.y_low = 0.3; s1.place.y_high = 0.9;
s2.axis_x.min = -15; s2.axis_x.max = 30;
s2.axis_y.min = -20; s2.axis_y.max = 200;
s2.place.x_low = 0.5; s2.place.x_high = 1;
s2.place.y_low = 0.0; s2.place.y_high = 0.5;
s3.axis_x.min = 0; s3.axis_x.max = 130;
s3.axis_y.min = 15; s3.axis_y.max = 35;
s3.place.x_low = 0; s3.place.x_high = 0.5;
s3.place.y_low = 0.5; s3.place.y_high = 1.0;
s2.marker_type = Series.MarkerType.CIRCLE;
s3.marker_type = Series.MarkerType.PRICLE_TRIANGLE;
s1.axis_x.title = new Text("Series 1: Axis X.");
s1.axis_y.title = new Text("Series 1: Axis Y.");
s2.axis_x.title = new Text("Series 2: Axis X.");
s2.axis_y.title = new Text("Series 2: Axis Y.");
s3.axis_x.title = new Text("Series 3: Axis X.");
s3.axis_y.title = new Text("Series 3: Axis Y.");
chart.series = { s1, s2, s3 };
}
void plot_chart2 (Chart chart) {
var s1 = new Series ();
var s2 = new Series ();
var s3 = new Series ();
s1.title = new Text("Series 1"); s1.color = new Color (1, 0, 0);
s1.points = {new Series.Point(-12, 0), new Series.Point(2, 1), new Series.Point(20, 3)};
s2.axis_y.position = Series.Axis.Position.HIGH;
s1.axis_x.format = "%.3Lf";
s2.title = new Text("Series 2"); s2.color = new Color (0, 1, 0);
s2.points = {new Series.Point(5, -3), new Series.Point(25, -18), new Series.Point(-11, 173)};
s3.title = new Text("Series 3"); s3.color = new Color (0, 0, 1);
s3.points = {new Series.Point(9, 17), new Series.Point(2, 10), new Series.Point(-15, 31)};
s3.axis_y.position = Series.Axis.Position.HIGH;
s1.axis_x.min = -15; s1.axis_x.max = 30;
s1.axis_y.min = 0; s1.axis_y.max = 3;
s1.place.x_low = 0.0; s1.place.x_high = 1.0;
s1.place.y_low = 0.3; s1.place.y_high = 0.9;
s2.axis_x.min = -15; s2.axis_x.max = 30;
s2.axis_y.min = -20; s2.axis_y.max = 200;
s2.place.x_low = 0.0; s2.place.x_high = 1.0;
s2.place.y_low = 0.0; s2.place.y_high = 0.5;
s3.axis_x.min = -15; s3.axis_x.max = 30;
s3.axis_y.min = 15; s3.axis_y.max = 35;
s3.place.x_low = 0.0; s3.place.x_high = 1.0;
s3.place.y_low = 0.5; s3.place.y_high = 1.0;
s1.marker_type = Series.MarkerType.PRICLE_CIRCLE;
s2.marker_type = Series.MarkerType.PRICLE_SQUARE;
s1.axis_x.title = new Text("All Series: Axis X.");
s1.axis_y.title = new Text("Series 1: Axis Y.");
s2.axis_x.title = new Text("All Series: Axis X.");
s2.axis_y.title = new Text("Series 2: Axis Y.");
s3.axis_x.title = new Text("All Series: Axis X.");
s3.axis_y.title = new Text("Series 3: Axis Y.");
chart.series = { s1, s2, s3 };
}
void plot_chart3 (Chart chart) {
var s1 = new Series ();
var s2 = new Series ();
var s3 = new Series ();
s1.title = new Text("Series 1"); s1.color = new Color (1, 0, 0);
s1.points = {new Series.Point(0, 70), new Series.Point(2, 155), new Series.Point(1, -3)};
s1.axis_x.position = Series.Axis.Position.HIGH;
s1.axis_y.position = Series.Axis.Position.HIGH;
s1.axis_x.format = "%.3Lf";
s2.title = new Text("Series 2"); s2.color = new Color (0, 1, 0);
s2.points = {new Series.Point(5, -3), new Series.Point(25, -18), new Series.Point(-11, 173)};
s2.axis_y.position = Series.Axis.Position.HIGH;
s3.title = new Text("Series 3"); s3.color = new Color (0, 0, 1);
s3.points = {new Series.Point(9, -17), new Series.Point(2, 10), new Series.Point(122, 31)};
s3.axis_y.position = Series.Axis.Position.HIGH;
s1.axis_x.min = 0; s1.axis_x.max = 2;
s1.axis_y.min = -20; s1.axis_y.max = 200;
s1.place.x_low = 0.25; s1.place.x_high = 0.75;
s1.place.y_low = 0.0; s1.place.y_high = 1.0;
s2.axis_x.min = -15; s2.axis_x.max = 30;
s2.axis_y.min = -20; s2.axis_y.max = 200;
s2.place.x_low = 0.5; s2.place.x_high = 1;
s2.place.y_low = 0.0; s2.place.y_high = 1.0;
s3.axis_x.min = 0; s3.axis_x.max = 130;
s3.axis_y.min = -20; s3.axis_y.max = 200;
s3.place.x_low = 0; s3.place.x_high = 0.5;
s3.place.y_low = 0.0; s3.place.y_high = 1.0;
s2.marker_type = Series.MarkerType.PRICLE_CIRCLE;
s3.marker_type = Series.MarkerType.TRIANGLE;
s1.axis_x.title = new Text("Series 1: Axis X.");
s1.axis_y.title = new Text("Series 1: Axis Y.");
s2.axis_x.title = new Text("Series 2: Axis X.");
s2.axis_y.title = new Text("Series 2: Axis Y.");
s3.axis_x.title = new Text("Series 3: Axis X.");
s3.axis_y.title = new Text("Series 3: Axis Y.");
chart.series = { s1, s2, s3 };
}
void plot_chart4 (Chart chart) {
var s1 = new Series ();
var s2 = new Series ();
var s3 = new Series ();
var s4 = new Series ();
s1.axis_x.type = Series.Axis.Type.DATE_TIME;
s3.axis_x.type = Series.Axis.Type.DATE_TIME;
s4.axis_x.type = Series.Axis.Type.DATE_TIME;
s4.axis_x.dsec_signs = 5;
var now = new DateTime.now_local().to_unix();
var high = (uint64) (253000000000L);
s1.title = new Text("Series 1"); s1.color = new Color (1, 0, 0);
s1.points = {new Series.Point(now, 70), new Series.Point(now - 100000, 155), new Series.Point(now + 100000, 30)};
s1.axis_x.position = Series.Axis.Position.HIGH;
s1.axis_y.position = Series.Axis.Position.HIGH;
s2.title = new Text("Series 2"); s2.color = new Color (0, 1, 0);
s2.points = {new Series.Point(5, -3), new Series.Point(25, -18), new Series.Point(-11, 173)};
s2.axis_y.position = Series.Axis.Position.HIGH;
s3.title = new Text("Series 3"); s3.color = new Color (0, 0, 1);
s3.points = {new Series.Point(high - 2 + 0.73, -17), new Series.Point(high - 1 + 0.234, 10), new Series.Point(high + 1 + 0.411, 31)};
s3.axis_y.position = Series.Axis.Position.HIGH;
s4.title = new Text("Series 4"); s4.color = new Color (0.5, 0.3, 0.9);
s4.points = {new Series.Point(high + 0.005, -19.05), new Series.Point(high + 0.0051, 28), new Series.Point(high + 0.0052, 55), new Series.Point(high + 0.0053, 44)};
s4.axis_y.position = Series.Axis.Position.HIGH;
s1.axis_x.min = now - 100000; s1.axis_x.max = now + 100000;
s1.axis_y.min = -20; s1.axis_y.max = 200;
s1.place.x_low = 0.25; s1.place.x_high = 0.75;
s1.place.y_low = 0.0; s1.place.y_high = 1.0;
s2.axis_x.min = -15; s2.axis_x.max = 30;
s2.axis_y.min = -20; s2.axis_y.max = 200;
s2.place.x_low = 0.2; s2.place.x_high = 1;
s2.place.y_low = 0.0; s2.place.y_high = 1.0;
s3.axis_x.min = high - 2; s3.axis_x.max = high + 1;
s3.axis_y.min = -20; s3.axis_y.max = 200;
s3.place.x_low = 0; s3.place.x_high = 0.8;
s3.place.y_low = 0.0; s3.place.y_high = 1.0;
s4.axis_x.min = high + 0.0049; s4.axis_x.max = high + 0.0054;
s4.axis_y.min = -20; s4.axis_y.max = 200;
s4.place.x_low = 0.2; s4.place.x_high = 1.0;
s4.place.y_low = 0.0; s4.place.y_high = 1.0;
s2.marker_type = Series.MarkerType.PRICLE_CIRCLE;
s3.marker_type = Series.MarkerType.TRIANGLE;
s4.marker_type = Series.MarkerType.PRICLE_SQUARE;
s1.axis_x.title = new Text("Series 1: Axis X.");
s1.axis_y.title = new Text("Series 1: Axis Y.");
s2.axis_x.title = new Text("Series 2: Axis X.");
s2.axis_y.title = new Text("Series 2: Axis Y.");
s3.axis_x.title = new Text("Series 3: Axis X.");
s3.axis_y.title = new Text("Series 3: Axis Y.");
s4.axis_x.title = new Text("Series 4: Axis X.");
s4.axis_y.title = new Text("Series 4: Axis Y.");
chart.series = { s1, s2, s3, s4 };
}
int main (string[] args) {
init (ref args);
var window = new Window ();
window.title = "Chart Test.";
window.border_width = 5;
window.window_position = WindowPosition.CENTER;
window.set_default_size (640, 480);
window.destroy.connect (main_quit);
var chart1 = new Chart();
var chart2 = new Chart();
var chart3 = new Chart();
var chart4 = new Chart();
var label = new Label ("Chart Test!");
var button1 = new Button.with_label("Separate axes");
var button2 = new Button.with_label("Common X axes");
var button3 = new Button.with_label("Common Y axes");
var button4 = new Button.with_label("Dates/Times");
var button5 = new Button.with_label("rm Axis Titles");
var button6 = new Button.with_label("rm Dates");
var button7 = new Button.with_label("rm Times");
plot_chart1 (chart1);
plot_chart2 (chart2);
plot_chart3 (chart3);
plot_chart4 (chart4);
var da = new DrawingArea();
da.set_events ( Gdk.EventMask.BUTTON_PRESS_MASK
|Gdk.EventMask.BUTTON_RELEASE_MASK
|Gdk.EventMask.POINTER_MOTION_MASK
);
var chart = chart1;
var radio_button1 = new RadioButton.with_label (null, "Top Legend");
var radio_button2 = new RadioButton.with_label (radio_button1.get_group(), "Right Legend");
var radio_button3 = new RadioButton.with_label_from_widget (radio_button1, "Left Legend");
var radio_button4 = new RadioButton.with_label_from_widget (radio_button1, "Bottom Legend");
button1.clicked.connect (() => {
chart = chart1; da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
switch (chart.legend.position) {
case Chart.Legend.Position.TOP: radio_button1.set_active(true); break;
case Chart.Legend.Position.RIGHT: radio_button2.set_active(true); break;
case Chart.Legend.Position.LEFT: radio_button3.set_active(true); break;
case Chart.Legend.Position.BOTTOM: radio_button4.set_active(true); break;
default: break;
}
});
button2.clicked.connect (() => {
chart = chart2; da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
switch (chart.legend.position) {
case Chart.Legend.Position.TOP: radio_button1.set_active(true); break;
case Chart.Legend.Position.RIGHT: radio_button2.set_active(true); break;
case Chart.Legend.Position.LEFT: radio_button3.set_active(true); break;
case Chart.Legend.Position.BOTTOM: radio_button4.set_active(true); break;
default: break;
}
});
button3.clicked.connect (() => {
chart = chart3; da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
switch (chart.legend.position) {
case Chart.Legend.Position.TOP: radio_button1.set_active(true); break;
case Chart.Legend.Position.RIGHT: radio_button2.set_active(true); break;
case Chart.Legend.Position.LEFT: radio_button3.set_active(true); break;
case Chart.Legend.Position.BOTTOM: radio_button4.set_active(true); break;
default: break;
}
});
button4.clicked.connect (() => {
chart = chart4; da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
switch (chart.legend.position) {
case Chart.Legend.Position.TOP: radio_button1.set_active(true); break;
case Chart.Legend.Position.RIGHT: radio_button2.set_active(true); break;
case Chart.Legend.Position.LEFT: radio_button4.set_active(true); break;
case Chart.Legend.Position.BOTTOM: radio_button4.set_active(true); break;
default: break;
}
});
button5.clicked.connect (() => {
for (var i = 0; i < chart.series.length; ++i) {
var s = chart.series[i];
s.axis_x.title.text = "";
s.axis_y.title.text = "";
}
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
});
button6.clicked.connect (() => {
for (var i = 0; i < chart.series.length; ++i) {
var s = chart.series[i];
s.axis_x.date_format = "";
}
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
});
button7.clicked.connect (() => {
for (var i = 0; i < chart.series.length; ++i) {
var s = chart.series[i];
s.axis_x.time_format = "";
}
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
});
radio_button1.toggled.connect ((button) => {
if (button.get_active()) {
chart.legend.position = Chart.Legend.Position.TOP;
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
}
});
radio_button2.toggled.connect ((button) => {
if (button.get_active()) {
chart.legend.position = Chart.Legend.Position.RIGHT;
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
}
});
radio_button3.toggled.connect ((button) => {
if (button.get_active()) {
chart.legend.position = Chart.Legend.Position.LEFT;
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
}
});
radio_button4.toggled.connect ((button) => {
if (button.get_active()) {
chart.legend.position = Chart.Legend.Position.BOTTOM;
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
}
});
da.draw.connect((context) => {
// user's pre draw operations here...
chart.context = context;
var ret = chart.draw();
// user's post draw operations here...
return ret;
});
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
da.button_release_event.connect((event) => {
// user's pre button_release_event operations here...
var ret = chart.button_release_event(event);
// user's post button_release_event operations here...
return ret;
});
da.button_press_event.connect((event) => {
// user's pre button_press_event operations here...
var ret = chart.button_press_event(event);
// user's post button_press_event operations here...
return ret;
});
da.motion_notify_event.connect((event) => {
// user's pre motion_notify_event operations here...
var ret = chart.motion_notify_event(event);
// user's post motion_notify_event operations here...
return ret;
});
var vbox2 = new Box(Orientation.VERTICAL, 0);
vbox2.pack_start(button1, false, false, 0);
vbox2.pack_start(button2, false, false, 0);
vbox2.pack_start(button3, false, false, 0);
vbox2.pack_start(button4, false, false, 0);
vbox2.pack_start(button5, false, false, 0);
vbox2.pack_start(button6, false, false, 0);
vbox2.pack_start(button7, false, false, 0);
vbox2.pack_start(radio_button1, false, false, 0);
vbox2.pack_start(radio_button2, false, false, 0);
vbox2.pack_start(radio_button3, false, false, 0);
vbox2.pack_start(radio_button4, false, false, 0);
var hbox = new Box(Orientation.HORIZONTAL, 0);
hbox.pack_start(da, true, true, 0);
hbox.pack_end(vbox2, false, false, 0);
var vbox = new Box(Orientation.VERTICAL, 0);
vbox.pack_start(label, false, false, 0);
vbox.pack_end(hbox, true, true, 0);
window.add(vbox);
window.show_all();
Gtk.main();
return 0;
}