Split source files on classes.
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@ -0,0 +1,70 @@
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namespace Gtk.CairoChart {
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// If one of axis:title or axis:min/max are different
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// then draw separate axis for each/all series
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// or specify series name near the axis
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public class Axis {
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public Float128 min = 0;
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public Float128 max = 1;
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public Text title = new Text ("");
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public enum Type {
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NUMBERS = 0,
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DATE_TIME
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}
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public enum ScaleType {
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LINEAR = 0, // default
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// LOGARITHMIC, // TODO
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// etc
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}
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public Type type;
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public ScaleType scale_type;
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public enum Position {
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LOW = 0,
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HIGH = 1,
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BOTH = 2
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}
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public Position position = Position.LOW;
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string _format = "%.2Lf";
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string _date_format = "%Y.%m.%d";
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string _time_format = "%H:%M:%S";
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int _dsec_signs = 2; // 2 signs = centiseconds
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public string format {
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get { return _format; }
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set {
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// TODO: check format
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_format = value;
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}
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default = "%.2Lf";
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}
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public string date_format {
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get { return _date_format; }
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set {
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// TODO: check format
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_date_format = value;
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}
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default = "%Y.%m.%d";
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}
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public string time_format {
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get { return _time_format; }
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set {
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// TODO: check format
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_time_format = value;
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}
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default = "%H:%M:%S";
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}
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public int dsec_signs {
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get { return _dsec_signs; }
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set {
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// TODO: check format
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_dsec_signs = value;
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}
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default = 2;
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}
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public FontStyle font_style = FontStyle ();
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public Color color = Color ();
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public LineStyle line_style = new LineStyle ();
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public double font_indent = 5;
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public Axis () {}
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}
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}
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@ -1,8 +1,4 @@
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// даты/время: сетка для малых интервалов (< нескольких секунд)
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using Cairo;
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namespace Gtk.CairoChart {
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public class Chart {
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protected double width = 0;
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@ -15,23 +11,6 @@ namespace Gtk.CairoChart {
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public Text title = new Text ("Cairo Chart");
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public Color border_color = Color(0, 0, 0, 0.3);
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public class Legend {
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public enum Position {
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TOP = 0, // default
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LEFT,
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RIGHT,
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BOTTOM
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}
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public Position position = Position.TOP;
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public FontStyle font_style = FontStyle();
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public Color bg_color = Color(1, 1, 1);
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public LineStyle border_style = new LineStyle ();
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public double indent = 5;
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public Legend () {
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border_style.color = Color (0, 0, 0, 0.3);
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}
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}
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public Legend legend = new Legend ();
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@ -112,30 +91,6 @@ namespace Gtk.CairoChart {
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}
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}
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// TODO:
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public virtual bool button_release_event (Gdk.EventButton event) {
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//stdout.puts ("button_release_event\n");
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return true;
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}
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// TODO:
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public virtual bool button_press_event (Gdk.EventButton event) {
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//stdout.puts ("button_press_event\n");
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return true;
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}
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// TODO:
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public virtual bool motion_notify_event (Gdk.EventMotion event) {
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//stdout.puts ("motion_notify_event\n");
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return true;
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}
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// TODO:
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public virtual bool scroll_notify_event (Gdk.EventScroll event) {
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//stdout.puts ("scroll_notify_event\n");
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return true;
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}
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protected double title_width = 0.0;
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protected double title_height = 0.0;
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@ -405,18 +360,18 @@ namespace Gtk.CairoChart {
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int axis_rec_npoints = 128;
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protected virtual void calc_axis_rec_sizes (Series.Axis axis, out double max_rec_width, out double max_rec_height, bool is_horizontal = true) {
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protected virtual void calc_axis_rec_sizes (Axis axis, out double max_rec_width, out double max_rec_height, bool is_horizontal = true) {
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max_rec_width = max_rec_height = 0;
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for (var i = 0; i < axis_rec_npoints; ++i) {
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Float128 x = axis.min + (axis.max - axis.min) / axis_rec_npoints * i;
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switch (axis.type) {
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case Series.Axis.Type.NUMBERS:
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case Axis.Type.NUMBERS:
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var text = new Text (axis.format.printf((LongDouble)x) + (is_horizontal ? "_" : ""));
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text.style = axis.font_style;
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max_rec_width = double.max (max_rec_width, text.get_width(context));
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max_rec_height = double.max (max_rec_height, text.get_height(context));
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break;
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case Series.Axis.Type.DATE_TIME:
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case Axis.Type.DATE_TIME:
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var dt = new DateTime.from_unix_utc((int64)x);
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var text = new Text("");
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var h = 0.0;
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@ -547,9 +502,9 @@ namespace Gtk.CairoChart {
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if (!common_x_axes || si == 0)
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switch (s.axis_x.position) {
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case Series.Axis.Position.LOW: plot_area_y_max -= max_rec_height + max_font_indent + max_axis_font_height; break;
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case Series.Axis.Position.HIGH: plot_area_y_min += max_rec_height + max_font_indent + max_axis_font_height; break;
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case Series.Axis.Position.BOTH: break;
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case Axis.Position.LOW: plot_area_y_max -= max_rec_height + max_font_indent + max_axis_font_height; break;
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case Axis.Position.HIGH: plot_area_y_min += max_rec_height + max_font_indent + max_axis_font_height; break;
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case Axis.Position.BOTH: break;
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default: break;
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}
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}
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@ -592,9 +547,9 @@ namespace Gtk.CairoChart {
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if (!common_y_axes || si == 0)
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switch (s.axis_y.position) {
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case Series.Axis.Position.LOW: plot_area_x_min += max_rec_width + max_font_indent + max_axis_font_width; break;
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case Series.Axis.Position.HIGH: plot_area_x_max -= max_rec_width + max_font_indent + max_axis_font_width; break;
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case Series.Axis.Position.BOTH: break;
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case Axis.Position.LOW: plot_area_x_min += max_rec_width + max_font_indent + max_axis_font_width; break;
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case Axis.Position.HIGH: plot_area_x_max -= max_rec_width + max_font_indent + max_axis_font_width; break;
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case Axis.Position.BOTH: break;
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default: break;
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}
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}
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@ -618,7 +573,7 @@ namespace Gtk.CairoChart {
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long max_nrecs = (long) ((plot_area_x_max - plot_area_x_min) * (s.place.x_high - s.place.x_low) / max_rec_width);
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// 3. Calculate grid step.
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Float128 step = calc_round_step ((s.axis_x.max - s.axis_x.min) / max_nrecs, s.axis_x.type == Series.Axis.Type.DATE_TIME);
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Float128 step = calc_round_step ((s.axis_x.max - s.axis_x.min) / max_nrecs, s.axis_x.type == Axis.Type.DATE_TIME);
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if (step > s.axis_x.max - s.axis_x.min)
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step = s.axis_x.max - s.axis_x.min;
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@ -637,7 +592,7 @@ namespace Gtk.CairoChart {
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// 4.5. Draw Axis title
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if (s.axis_x.title.text != "")
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switch (s.axis_x.position) {
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case Series.Axis.Position.LOW:
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case Axis.Position.LOW:
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var scr_x = plot_area_x_min + (plot_area_x_max - plot_area_x_min) * (s.place.x_low + s.place.x_high) / 2.0;
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var scr_y = cur_y_max - s.axis_x.font_indent;
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context.move_to(scr_x - s.axis_x.title.get_width(context) / 2.0, scr_y);
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@ -645,7 +600,7 @@ namespace Gtk.CairoChart {
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if (common_x_axes) set_source_rgba(Color(0,0,0,1));
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show_text(s.axis_x.title);
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break;
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case Series.Axis.Position.HIGH:
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case Axis.Position.HIGH:
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var scr_x = plot_area_x_min + (plot_area_x_max - plot_area_x_min) * (s.place.x_low + s.place.x_high) / 2.0;
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var scr_y = cur_y_min + s.axis_x.font_indent + s.axis_x.title.get_height(context);
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context.move_to(scr_x - s.axis_x.title.get_width(context) / 2.0, scr_y);
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@ -653,7 +608,7 @@ namespace Gtk.CairoChart {
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if (common_x_axes) set_source_rgba(Color(0,0,0,1));
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show_text(s.axis_x.title);
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break;
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case Series.Axis.Position.BOTH:
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case Axis.Position.BOTH:
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break;
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}
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@ -663,10 +618,10 @@ namespace Gtk.CairoChart {
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else set_source_rgba(s.axis_x.color);
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string text = "", time_text = "";
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switch (s.axis_x.type) {
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case Series.Axis.Type.NUMBERS:
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case Axis.Type.NUMBERS:
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text = s.axis_x.format.printf((LongDouble)x);
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break;
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case Series.Axis.Type.DATE_TIME:
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case Axis.Type.DATE_TIME:
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var dt = new DateTime.from_unix_utc((int64)x);
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text = dt.format(s.axis_x.date_format);
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var dsec_str =
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@ -680,16 +635,16 @@ namespace Gtk.CairoChart {
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* (s.place.x_low + (s.place.x_high - s.place.x_low) / (s.axis_x.max - s.axis_x.min) * (x - s.axis_x.min));
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var text_t = new Text(text, s.axis_x.font_style, s.axis_x.color);
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switch (s.axis_x.position) {
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case Series.Axis.Position.LOW:
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case Axis.Position.LOW:
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var print_y = cur_y_max - s.axis_x.font_indent - (s.axis_x.title.text == "" ? 0 : s.axis_x.title.get_height(context) + s.axis_x.font_indent);
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switch (s.axis_x.type) {
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case Series.Axis.Type.NUMBERS:
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case Axis.Type.NUMBERS:
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var print_x = scr_x - text_t.get_width(context) / 2.0 - text_t.get_x_bearing(context)
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- text_t.get_width(context) * (x - (s.axis_x.min + s.axis_x.max) / 2.0) / (s.axis_x.max - s.axis_x.min);
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context.move_to (print_x, print_y);
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show_text(text_t);
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break;
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case Series.Axis.Type.DATE_TIME:
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case Axis.Type.DATE_TIME:
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var print_x = scr_x - text_t.get_width(context) / 2.0 - text_t.get_x_bearing(context)
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- text_t.get_width(context) * (x - (s.axis_x.min + s.axis_x.max) / 2.0) / (s.axis_x.max - s.axis_x.min);
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context.move_to (print_x, print_y);
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@ -714,16 +669,16 @@ namespace Gtk.CairoChart {
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else
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context.line_to (scr_x, double.min (y, plot_area_y_max - (plot_area_y_max - plot_area_y_min) * s.place.y_high));
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break;
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case Series.Axis.Position.HIGH:
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case Axis.Position.HIGH:
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var print_y = cur_y_min + max_rec_height + s.axis_x.font_indent + (s.axis_x.title.text == "" ? 0 : s.axis_x.title.get_height(context) + s.axis_x.font_indent);
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switch (s.axis_x.type) {
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case Series.Axis.Type.NUMBERS:
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case Axis.Type.NUMBERS:
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var print_x = scr_x - text_t.get_width(context) / 2.0 - text_t.get_x_bearing(context)
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- text_t.get_width(context) * (x - (s.axis_x.min + s.axis_x.max) / 2.0) / (s.axis_x.max - s.axis_x.min);
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context.move_to (print_x, print_y);
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show_text(text_t);
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break;
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case Series.Axis.Type.DATE_TIME:
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case Axis.Type.DATE_TIME:
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var print_x = scr_x - text_t.get_width(context) / 2.0 - text_t.get_x_bearing(context)
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- text_t.get_width(context) * (x - (s.axis_x.min + s.axis_x.max) / 2.0) / (s.axis_x.max - s.axis_x.min);
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context.move_to (print_x, print_y);
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@ -748,7 +703,7 @@ namespace Gtk.CairoChart {
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else
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context.line_to (scr_x, double.max (y, plot_area_y_max - (plot_area_y_max - plot_area_y_min) * s.place.y_low));
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break;
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case Series.Axis.Position.BOTH:
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case Axis.Position.BOTH:
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break;
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default:
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break;
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@ -779,15 +734,15 @@ namespace Gtk.CairoChart {
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if (nskip != 0) {--nskip; continue;}
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switch (s.axis_x.position) {
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case Series.Axis.Position.LOW:
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case Axis.Position.LOW:
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cur_y_max -= max_rec_height + s.axis_x.font_indent
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+ (s.axis_x.title.text == "" ? 0 : s.axis_x.title.get_height(context) + s.axis_x.font_indent);
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break;
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case Series.Axis.Position.HIGH:
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case Axis.Position.HIGH:
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cur_y_min += max_rec_height + s.axis_x.font_indent
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+ (s.axis_x.title.text == "" ? 0 : s.axis_x.title.get_height(context) + s.axis_x.font_indent);
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break;
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case Series.Axis.Position.BOTH:
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case Axis.Position.BOTH:
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break;
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default: break;
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}
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@ -825,7 +780,7 @@ namespace Gtk.CairoChart {
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// 4.5. Draw Axis title
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if (s.axis_y.title.text != "")
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switch (s.axis_y.position) {
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case Series.Axis.Position.LOW:
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case Axis.Position.LOW:
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var scr_y = plot_area_y_max - (plot_area_y_max - plot_area_y_min) * (s.place.y_low + s.place.y_high) / 2.0;
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var scr_x = cur_x_min + s.axis_y.font_indent + s.axis_y.title.get_width(context);
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context.move_to(scr_x, scr_y + s.axis_y.title.get_height(context) / 2.0);
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@ -833,7 +788,7 @@ namespace Gtk.CairoChart {
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if (common_y_axes) set_source_rgba(Color(0,0,0,1));
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show_text(s.axis_y.title);
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break;
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case Series.Axis.Position.HIGH:
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case Axis.Position.HIGH:
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var scr_y = plot_area_y_max - (plot_area_y_max - plot_area_y_min) * (s.place.y_low + s.place.y_high) / 2.0;
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var scr_x = cur_x_max - s.axis_y.font_indent;
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context.move_to(scr_x, scr_y + s.axis_y.title.get_height(context) / 2.0);
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@ -841,7 +796,7 @@ namespace Gtk.CairoChart {
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if (common_y_axes) set_source_rgba(Color(0,0,0,1));
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show_text(s.axis_y.title);
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break;
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case Series.Axis.Position.BOTH:
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case Axis.Position.BOTH:
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break;
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}
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@ -854,7 +809,7 @@ namespace Gtk.CairoChart {
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* (s.place.y_low + (s.place.y_high - s.place.y_low) / (s.axis_y.max - s.axis_y.min) * (y - s.axis_y.min));
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var text_t = new Text(text, s.axis_y.font_style, s.axis_y.color);
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switch (s.axis_y.position) {
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case Series.Axis.Position.LOW:
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case Axis.Position.LOW:
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context.move_to (cur_x_min + max_rec_width - (new Text(text)).get_width(context) + s.axis_y.font_indent - text_t.get_x_bearing(context)
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+ (s.axis_y.title.text == "" ? 0 : s.axis_y.title.get_width(context) + s.axis_y.font_indent),
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scr_y + (new Text(text)).get_height(context) / 2.0
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@ -871,7 +826,7 @@ namespace Gtk.CairoChart {
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else
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context.line_to (double.max (x, plot_area_x_min + (plot_area_x_max - plot_area_x_min) * s.place.x_high), scr_y);
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break;
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case Series.Axis.Position.HIGH:
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case Axis.Position.HIGH:
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context.move_to (cur_x_max - (new Text(text)).get_width(context) - s.axis_y.font_indent - text_t.get_x_bearing(context)
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- (s.axis_y.title.text == "" ? 0 : s.axis_y.title.get_width(context) + s.axis_y.font_indent),
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scr_y + (new Text(text)).get_height(context) / 2.0
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@ -888,7 +843,7 @@ namespace Gtk.CairoChart {
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else
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context.line_to (double.min (x, plot_area_x_min + (plot_area_x_max - plot_area_x_min) * s.place.x_low), scr_y);
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break;
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case Series.Axis.Position.BOTH:
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case Axis.Position.BOTH:
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break;
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default:
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break;
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@ -919,13 +874,13 @@ namespace Gtk.CairoChart {
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switch (s.axis_y.position) {
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case Series.Axis.Position.LOW:
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case Axis.Position.LOW:
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cur_x_min += max_rec_width + s.axis_y.font_indent
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+ (s.axis_y.title.text == "" ? 0 : s.axis_y.title.get_width(context) + s.axis_y.font_indent); break;
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case Series.Axis.Position.HIGH:
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case Axis.Position.HIGH:
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||||
cur_x_max -= max_rec_width + s.axis_y.font_indent
|
||||
+ (s.axis_y.title.text == "" ? 0 : s.axis_y.title.get_width(context) + s.axis_y.font_indent); break;
|
||||
case Series.Axis.Position.BOTH:
|
||||
case Axis.Position.BOTH:
|
||||
break;
|
||||
default: break;
|
||||
}
|
||||
|
|
@ -953,8 +908,8 @@ namespace Gtk.CairoChart {
|
|||
/ (s.axis_y.max - s.axis_y.min) * (s.place.y_high - s.place.y_low));
|
||||
}
|
||||
|
||||
delegate int PointComparator(Series.Point a, Series.Point b);
|
||||
void sort_points(Series.Point[] points, PointComparator compare) {
|
||||
delegate int PointComparator(Point a, Point b);
|
||||
void sort_points(Point[] points, PointComparator compare) {
|
||||
for(var i = 0; i < points.length; ++i) {
|
||||
for(var j = i + 1; j < points.length; ++j) {
|
||||
if(compare(points[i], points[j]) > 0) {
|
||||
|
|
@ -0,0 +1,12 @@
|
|||
namespace Gtk.CairoChart {
|
||||
public struct Color {
|
||||
double red;
|
||||
double green;
|
||||
double blue;
|
||||
double alpha;
|
||||
|
||||
public Color (double red = 0.0, double green = 0.0, double blue = 0.0, double alpha = 1.0) {
|
||||
this.red = red; this.green = green; this.blue = blue; this.alpha = alpha;
|
||||
}
|
||||
}
|
||||
}
|
||||
115
src/Common.vala
115
src/Common.vala
|
|
@ -1,115 +0,0 @@
|
|||
using Cairo;
|
||||
|
||||
namespace Gtk.CairoChart {
|
||||
|
||||
public struct Color {
|
||||
double red;
|
||||
double green;
|
||||
double blue;
|
||||
double alpha;
|
||||
|
||||
public Color (double red = 0.0, double green = 0.0, double blue = 0.0, double alpha = 1.0) {
|
||||
this.red = red; this.green = green; this.blue = blue; this.alpha = alpha;
|
||||
}
|
||||
}
|
||||
|
||||
public enum FontOrient {
|
||||
HORIZONTAL = 0,
|
||||
VERTICAL
|
||||
}
|
||||
public struct FontStyle {
|
||||
string family;
|
||||
FontSlant slant;
|
||||
FontWeight weight;
|
||||
|
||||
FontOrient orientation;
|
||||
double size;
|
||||
|
||||
public FontStyle (string family = "Sans",
|
||||
FontSlant slant = Cairo.FontSlant.NORMAL,
|
||||
FontWeight weight = Cairo.FontWeight.NORMAL,
|
||||
double size = 10) {
|
||||
this.family = family;
|
||||
this.slant = slant;
|
||||
this.weight = weight;
|
||||
this.size = size;
|
||||
}
|
||||
}
|
||||
|
||||
public struct LineStyle {
|
||||
double width;
|
||||
LineJoin line_join;
|
||||
LineCap line_cap;
|
||||
double[]? dashes;
|
||||
double dash_offset;
|
||||
Color color;
|
||||
|
||||
public LineStyle (double width = 1,
|
||||
LineJoin line_join = Cairo.LineJoin.MITER,
|
||||
LineCap line_cap = Cairo.LineCap.ROUND,
|
||||
double[]? dashes = null, double dash_offset = 0,
|
||||
Color color = Color()) {
|
||||
this.width = width;
|
||||
this.line_join = line_join;
|
||||
this.line_cap = line_cap;
|
||||
this.dashes = dashes;
|
||||
this.dash_offset = dash_offset;
|
||||
this.color = color;
|
||||
}
|
||||
}
|
||||
|
||||
[Compact]
|
||||
public class Text {
|
||||
public string text = "";
|
||||
public FontStyle style = FontStyle ();
|
||||
public Color color = Color();
|
||||
|
||||
TextExtents get_extents (Cairo.Context context) {
|
||||
context.select_font_face (style.family,
|
||||
style.slant,
|
||||
style.weight);
|
||||
context.set_font_size (style.size);
|
||||
TextExtents extents;
|
||||
context.text_extents (text, out extents);
|
||||
return extents;
|
||||
}
|
||||
|
||||
public double get_width (Cairo.Context context) {
|
||||
var extents = get_extents (context);
|
||||
if (style.orientation == FontOrient.HORIZONTAL)
|
||||
return extents.width;
|
||||
else
|
||||
return extents.height;
|
||||
}
|
||||
|
||||
public double get_height (Cairo.Context context) {
|
||||
var extents = get_extents (context);
|
||||
if (style.orientation == FontOrient.HORIZONTAL)
|
||||
return extents.height;
|
||||
else
|
||||
return extents.width;
|
||||
}
|
||||
|
||||
public double get_x_bearing (Cairo.Context context) {
|
||||
var extents = get_extents (context);
|
||||
if (style.orientation == FontOrient.HORIZONTAL)
|
||||
return extents.x_bearing;
|
||||
else
|
||||
return extents.y_bearing;
|
||||
}
|
||||
|
||||
public Text (string text = "",
|
||||
FontStyle style = FontStyle(),
|
||||
Color color = Color()) {
|
||||
this.text = text;
|
||||
this.style = style;
|
||||
this.color = color;
|
||||
}
|
||||
|
||||
public Text.by_instance (Text text) {
|
||||
this.text = text.text;
|
||||
this.style = text.style;
|
||||
this.color = text.color;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,25 @@
|
|||
namespace Gtk.CairoChart {
|
||||
public enum FontOrient {
|
||||
HORIZONTAL = 0,
|
||||
VERTICAL
|
||||
}
|
||||
|
||||
public struct FontStyle {
|
||||
string family;
|
||||
Cairo.FontSlant slant;
|
||||
Cairo.FontWeight weight;
|
||||
|
||||
FontOrient orientation;
|
||||
double size;
|
||||
|
||||
public FontStyle (string family = "Sans",
|
||||
Cairo.FontSlant slant = Cairo.FontSlant.NORMAL,
|
||||
Cairo.FontWeight weight = Cairo.FontWeight.NORMAL,
|
||||
double size = 10) {
|
||||
this.family = family;
|
||||
this.slant = slant;
|
||||
this.weight = weight;
|
||||
this.size = size;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
namespace Gtk.CairoChart {
|
||||
public class Grid {
|
||||
/*public enum GridType {
|
||||
PRICK_LINE = 0, // default
|
||||
LINE
|
||||
}*/
|
||||
public Color color = Color (0, 0, 0, 0.1);
|
||||
|
||||
public LineStyle line_style = new LineStyle ();
|
||||
|
||||
public Grid () {
|
||||
line_style.dashes = {2, 3};
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,8 @@
|
|||
namespace Gtk.CairoChart {
|
||||
public class LabelStyle {
|
||||
FontStyle font_style = FontStyle();
|
||||
LineStyle frame_line_style = new LineStyle();
|
||||
Color bg_color = Color();
|
||||
Color frame_color = Color();
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
namespace Gtk.CairoChart {
|
||||
public class Legend {
|
||||
public enum Position {
|
||||
TOP = 0, // default
|
||||
LEFT,
|
||||
RIGHT,
|
||||
BOTTOM
|
||||
}
|
||||
public Position position = Position.TOP;
|
||||
public FontStyle font_style = FontStyle();
|
||||
public Color bg_color = Color(1, 1, 1);
|
||||
public LineStyle border_style = new LineStyle ();
|
||||
public double indent = 5;
|
||||
|
||||
public Legend () {
|
||||
border_style.color = Color (0, 0, 0, 0.3);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,23 @@
|
|||
namespace Gtk.CairoChart {
|
||||
public struct LineStyle {
|
||||
double width;
|
||||
Cairo.LineJoin line_join;
|
||||
Cairo.LineCap line_cap;
|
||||
double[]? dashes;
|
||||
double dash_offset;
|
||||
Color color;
|
||||
|
||||
public LineStyle (double width = 1,
|
||||
Cairo.LineJoin line_join = Cairo.LineJoin.MITER,
|
||||
Cairo.LineCap line_cap = Cairo.LineCap.ROUND,
|
||||
double[]? dashes = null, double dash_offset = 0,
|
||||
Color color = Color()) {
|
||||
this.width = width;
|
||||
this.line_join = line_join;
|
||||
this.line_cap = line_cap;
|
||||
this.dashes = dashes;
|
||||
this.dash_offset = dash_offset;
|
||||
this.color = color;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
namespace Gtk.CairoChart {
|
||||
public struct Place {
|
||||
double x_low;
|
||||
double x_high;
|
||||
double y_low;
|
||||
double y_high;
|
||||
|
||||
public Place (double x_low = 0, double x_high = 0, double y_low = 0, double y_high = 0) {
|
||||
this.x_low = x_low;
|
||||
this.x_high = x_high;
|
||||
this.y_low = y_low;
|
||||
this.y_high = y_high;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,10 @@
|
|||
namespace Gtk.CairoChart {
|
||||
public struct Point {
|
||||
Float128 x;
|
||||
Float128 y;
|
||||
|
||||
public Point (Float128 x, Float128 y) {
|
||||
this.x = x; this.y = y;
|
||||
}
|
||||
}
|
||||
}
|
||||
112
src/Series.vala
112
src/Series.vala
|
|
@ -4,15 +4,6 @@ namespace Gtk.CairoChart {
|
|||
|
||||
public class Series {
|
||||
|
||||
public struct Point {
|
||||
Float128 x;
|
||||
Float128 y;
|
||||
|
||||
public Point (Float128 x, Float128 y) {
|
||||
this.x = x; this.y = y;
|
||||
}
|
||||
}
|
||||
|
||||
public Point[] points = {};
|
||||
public enum Sort {
|
||||
BY_X = 0,
|
||||
|
|
@ -21,92 +12,9 @@ namespace Gtk.CairoChart {
|
|||
}
|
||||
public Sort sort = Sort.BY_X;
|
||||
|
||||
// If one of axis:title or axis:min/max are different
|
||||
// then draw separate axis for each/all series
|
||||
// or specify series name near the axis
|
||||
public class Axis {
|
||||
public Float128 min = 0;
|
||||
public Float128 max = 1;
|
||||
public Text title = new Text ("");
|
||||
public enum Type {
|
||||
NUMBERS = 0,
|
||||
DATE_TIME
|
||||
}
|
||||
public enum ScaleType {
|
||||
LINEAR = 0, // default
|
||||
// LOGARITHMIC, // TODO
|
||||
// etc
|
||||
}
|
||||
public Type type;
|
||||
public ScaleType scale_type;
|
||||
public enum Position {
|
||||
LOW = 0,
|
||||
HIGH = 1,
|
||||
BOTH = 2
|
||||
}
|
||||
public Position position = Position.LOW;
|
||||
|
||||
string _format = "%.2Lf";
|
||||
string _date_format = "%Y.%m.%d";
|
||||
string _time_format = "%H:%M:%S";
|
||||
int _dsec_signs = 2; // 2 signs = centiseconds
|
||||
public string format {
|
||||
get { return _format; }
|
||||
set {
|
||||
// TODO: check format
|
||||
_format = value;
|
||||
}
|
||||
default = "%.2Lf";
|
||||
}
|
||||
public string date_format {
|
||||
get { return _date_format; }
|
||||
set {
|
||||
// TODO: check format
|
||||
_date_format = value;
|
||||
}
|
||||
default = "%Y.%m.%d";
|
||||
}
|
||||
public string time_format {
|
||||
get { return _time_format; }
|
||||
set {
|
||||
// TODO: check format
|
||||
_time_format = value;
|
||||
}
|
||||
default = "%H:%M:%S";
|
||||
}
|
||||
public int dsec_signs {
|
||||
get { return _dsec_signs; }
|
||||
set {
|
||||
// TODO: check format
|
||||
_dsec_signs = value;
|
||||
}
|
||||
default = 2;
|
||||
}
|
||||
public FontStyle font_style = FontStyle ();
|
||||
public Color color = Color ();
|
||||
public LineStyle line_style = new LineStyle ();
|
||||
public double font_indent = 5;
|
||||
|
||||
public Axis () {}
|
||||
}
|
||||
|
||||
public Axis axis_x = new Axis();
|
||||
public Axis axis_y = new Axis();
|
||||
|
||||
public struct Place {
|
||||
double x_low;
|
||||
double x_high;
|
||||
double y_low;
|
||||
double y_high;
|
||||
|
||||
public Place (double x_low = 0, double x_high = 0, double y_low = 0, double y_high = 0) {
|
||||
this.x_low = x_low;
|
||||
this.x_high = x_high;
|
||||
this.y_low = y_low;
|
||||
this.y_high = y_high;
|
||||
}
|
||||
}
|
||||
|
||||
public enum MarkerType {
|
||||
NONE = 0, // default
|
||||
SQUARE,
|
||||
|
|
@ -121,20 +29,6 @@ namespace Gtk.CairoChart {
|
|||
public Text title = new Text ();
|
||||
public MarkerType marker_type = MarkerType.SQUARE;
|
||||
|
||||
public class Grid {
|
||||
/*public enum GridType {
|
||||
PRICK_LINE = 0, // default
|
||||
LINE
|
||||
}*/
|
||||
public Color color = Color (0, 0, 0, 0.1);
|
||||
|
||||
public LineStyle line_style = new LineStyle ();
|
||||
|
||||
public Grid () {
|
||||
line_style.dashes = {2, 3};
|
||||
}
|
||||
}
|
||||
|
||||
public Grid grid = new Grid ();
|
||||
|
||||
public GLib.List<Float128?> cursors = new List<Float128?> ();
|
||||
|
|
@ -159,11 +53,5 @@ namespace Gtk.CairoChart {
|
|||
public Series () {
|
||||
}
|
||||
|
||||
public class LabelStyle {
|
||||
FontStyle font_style = FontStyle();
|
||||
LineStyle frame_line_style = new LineStyle();
|
||||
Color bg_color = Color();
|
||||
Color frame_color = Color();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,56 @@
|
|||
namespace Gtk.CairoChart {
|
||||
[Compact]
|
||||
public class Text {
|
||||
public string text = "";
|
||||
public FontStyle style = FontStyle ();
|
||||
public Color color = Color();
|
||||
|
||||
Cairo.TextExtents get_extents (Cairo.Context context) {
|
||||
context.select_font_face (style.family,
|
||||
style.slant,
|
||||
style.weight);
|
||||
context.set_font_size (style.size);
|
||||
Cairo.TextExtents extents;
|
||||
context.text_extents (text, out extents);
|
||||
return extents;
|
||||
}
|
||||
|
||||
public double get_width (Cairo.Context context) {
|
||||
var extents = get_extents (context);
|
||||
if (style.orientation == FontOrient.HORIZONTAL)
|
||||
return extents.width;
|
||||
else
|
||||
return extents.height;
|
||||
}
|
||||
|
||||
public double get_height (Cairo.Context context) {
|
||||
var extents = get_extents (context);
|
||||
if (style.orientation == FontOrient.HORIZONTAL)
|
||||
return extents.height;
|
||||
else
|
||||
return extents.width;
|
||||
}
|
||||
|
||||
public double get_x_bearing (Cairo.Context context) {
|
||||
var extents = get_extents (context);
|
||||
if (style.orientation == FontOrient.HORIZONTAL)
|
||||
return extents.x_bearing;
|
||||
else
|
||||
return extents.y_bearing;
|
||||
}
|
||||
|
||||
public Text (string text = "",
|
||||
FontStyle style = FontStyle(),
|
||||
Color color = Color()) {
|
||||
this.text = text;
|
||||
this.style = style;
|
||||
this.color = color;
|
||||
}
|
||||
|
||||
public Text.by_instance (Text text) {
|
||||
this.text = text.text;
|
||||
this.style = text.style;
|
||||
this.color = text.color;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -6,14 +6,14 @@ void plot_chart1 (Chart chart) {
|
|||
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.points = {new Point(0, 0), new Point(2, 1), new Point(1, 3)};
|
||||
s1.axis_x.position = 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.points = {new Point(5, -3), new Point(25, -18), new 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;
|
||||
s3.points = {new Point(9, 17), new Point(2, 10), new Point(122, 31)};
|
||||
s3.axis_y.position = Axis.Position.HIGH;
|
||||
|
||||
s1.axis_x.min = 0; s1.axis_x.max = 2;
|
||||
s1.axis_y.min = 0; s1.axis_y.max = 3;
|
||||
|
|
@ -49,14 +49,14 @@ void plot_chart2 (Chart chart) {
|
|||
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.points = {new Point(-12, 0), new Point(2, 1), new Point(20, 3)};
|
||||
s2.axis_y.position = 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.points = {new Point(5, -3), new Point(25, -18), new 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;
|
||||
s3.points = {new Point(9, 17), new Point(2, 10), new Point(-15, 31)};
|
||||
s3.axis_y.position = Axis.Position.HIGH;
|
||||
|
||||
s1.axis_x.min = -15; s1.axis_x.max = 30;
|
||||
s1.axis_y.min = 0; s1.axis_y.max = 3;
|
||||
|
|
@ -92,16 +92,16 @@ void plot_chart3 (Chart chart) {
|
|||
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.points = {new Point(0, 70), new Point(2, 155), new Point(1, -3)};
|
||||
s1.axis_x.position = Axis.Position.HIGH;
|
||||
s1.axis_y.position = 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;
|
||||
s2.points = {new Point(5, -3), new Point(25, -18), new Point(-11, 173)};
|
||||
s2.axis_y.position = 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;
|
||||
s3.points = {new Point(9, -17), new Point(2, 10), new Point(122, 31)};
|
||||
s3.axis_y.position = Axis.Position.HIGH;
|
||||
|
||||
s1.axis_x.min = 0; s1.axis_x.max = 2;
|
||||
s1.axis_y.min = -20; s1.axis_y.max = 200;
|
||||
|
|
@ -137,27 +137,27 @@ void plot_chart4 (Chart chart) {
|
|||
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;
|
||||
s1.axis_x.type = Axis.Type.DATE_TIME;
|
||||
s3.axis_x.type = Axis.Type.DATE_TIME;
|
||||
s4.axis_x.type = 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;
|
||||
s1.points = {new Point(now, 70), new Point(now - 100000, 155), new Point(now + 100000, 30)};
|
||||
s1.axis_x.position = Axis.Position.HIGH;
|
||||
s1.axis_y.position = 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;
|
||||
s2.points = {new Point(5, -3), new Point(25, -18), new Point(-11, 173)};
|
||||
s2.axis_y.position = 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;
|
||||
s3.points = {new Point(high - 2 + 0.73, -17), new Point(high - 1 + 0.234, 10), new Point(high + 1 + 0.411, 31)};
|
||||
s3.axis_y.position = 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;
|
||||
s4.points = {new Point(high + 0.005, -19.05), new Point(high + 0.0051, 28), new Point(high + 0.0052, 55), new Point(high + 0.0053, 44)};
|
||||
s4.axis_y.position = 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;
|
||||
|
|
@ -239,40 +239,40 @@ int main (string[] args) {
|
|||
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;
|
||||
case Legend.Position.TOP: radio_button1.set_active(true); break;
|
||||
case Legend.Position.RIGHT: radio_button2.set_active(true); break;
|
||||
case Legend.Position.LEFT: radio_button3.set_active(true); break;
|
||||
case 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;
|
||||
case Legend.Position.TOP: radio_button1.set_active(true); break;
|
||||
case Legend.Position.RIGHT: radio_button2.set_active(true); break;
|
||||
case Legend.Position.LEFT: radio_button3.set_active(true); break;
|
||||
case 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;
|
||||
case Legend.Position.TOP: radio_button1.set_active(true); break;
|
||||
case Legend.Position.RIGHT: radio_button2.set_active(true); break;
|
||||
case Legend.Position.LEFT: radio_button3.set_active(true); break;
|
||||
case 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;
|
||||
case Legend.Position.TOP: radio_button1.set_active(true); break;
|
||||
case Legend.Position.RIGHT: radio_button2.set_active(true); break;
|
||||
case Legend.Position.LEFT: radio_button4.set_active(true); break;
|
||||
case Legend.Position.BOTTOM: radio_button4.set_active(true); break;
|
||||
default: break;
|
||||
}
|
||||
});
|
||||
|
|
@ -303,25 +303,25 @@ int main (string[] args) {
|
|||
|
||||
radio_button1.toggled.connect ((button) => {
|
||||
if (button.get_active()) {
|
||||
chart.legend.position = Chart.Legend.Position.TOP;
|
||||
chart.legend.position = 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;
|
||||
chart.legend.position = 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;
|
||||
chart.legend.position = 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;
|
||||
chart.legend.position = Legend.Position.BOTTOM;
|
||||
da.queue_draw_area(0, 0, da.get_allocated_width(), da.get_allocated_height());
|
||||
}
|
||||
});
|
||||
|
|
|
|||
Loading…
Reference in New Issue