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Cairo-Chart
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Kolan Sh 2018-01-16 21:01:24 +03:00
parent cb4f15f24d
commit 621dd5f685
2 changed files with 50 additions and 47 deletions
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49
src/Chart.vala
View File

@ -289,53 +289,8 @@ namespace CairoChart {
}
protected virtual void join_calc (bool is_x) {
for (var si = series.length - 1, nskip = 0; si >= 0; --si) {
var s = series[si];
Axis axis = s.axis_x;
if (!is_x) axis = s.axis_y;
if (!s.zoom_show) continue;
if (nskip != 0) {--nskip; continue;}
double max_rec_width = 0; double max_rec_height = 0;
axis.calc_rec_sizes (this, out max_rec_width, out max_rec_height, is_x);
var max_font_indent = axis.font_indent;
var max_axis_font_width = axis.title.text == "" ? 0 : axis.title.get_width(context) + axis.font_indent;
var max_axis_font_height = axis.title.text == "" ? 0 : axis.title.get_height(context) + axis.font_indent;
if (is_x)
s.join_relative_x_axes (si, true, ref max_rec_width, ref max_rec_height, ref max_font_indent, ref max_axis_font_height, ref nskip);
else
s.join_relative_y_axes (si, true, ref max_rec_width, ref max_rec_height, ref max_font_indent, ref max_axis_font_width, ref nskip);
// for 4.2. Cursor values for joint X axis
if (si == zoom_first_show && cursors.cursors_crossings.length != 0) {
switch (cursors.cursor_style.orientation) {
case Cursors.Orientation.VERTICAL:
if (is_x && joint_x)
switch (axis.position) {
case Axis.Position.LOW: plot_y_max -= max_rec_height + axis.font_indent; break;
case Axis.Position.HIGH: plot_y_min += max_rec_height + axis.font_indent; break;
}
break;
case Cursors.Orientation.HORIZONTAL:
if (!is_x && joint_y)
switch (s.axis_y.position) {
case Axis.Position.LOW: plot_x_min += max_rec_width + s.axis_y.font_indent; break;
case Axis.Position.HIGH: plot_x_max -= max_rec_width + s.axis_y.font_indent; break;
}
break;
}
}
if (is_x && (!joint_x || si == zoom_first_show))
switch (axis.position) {
case Axis.Position.LOW: plot_y_max -= max_rec_height + max_font_indent + max_axis_font_height; break;
case Axis.Position.HIGH: plot_y_min += max_rec_height + max_font_indent + max_axis_font_height; break;
}
if (!is_x && (!joint_y || si == zoom_first_show))
switch (s.axis_y.position) {
case Axis.Position.LOW: plot_x_min += max_rec_width + max_font_indent + max_axis_font_width; break;
case Axis.Position.HIGH: plot_x_max -= max_rec_width + max_font_indent + max_axis_font_width; break;
}
}
for (var si = series.length - 1, nskip = 0; si >= 0; --si)
series[si].join_calc(is_x, si, ref nskip);
}
protected virtual void calc_plot_area () {
plot_x_min = cur_x_min + legend.indent;

48
src/Series.vala
View File

@ -113,6 +113,54 @@ namespace CairoChart {
return true;
}
public virtual void join_calc (bool is_x, int si, ref int nskip) {
var s = chart.series[si];
Axis axis = s.axis_x;
if (!is_x) axis = s.axis_y;
if (!s.zoom_show) return;
if (nskip != 0) {--nskip; return;}
double max_rec_width = 0; double max_rec_height = 0;
axis.calc_rec_sizes (chart, out max_rec_width, out max_rec_height, is_x);
var max_font_indent = axis.font_indent;
var max_axis_font_width = axis.title.text == "" ? 0 : axis.title.get_width(chart.context) + axis.font_indent;
var max_axis_font_height = axis.title.text == "" ? 0 : axis.title.get_height(chart.context) + axis.font_indent;
if (is_x)
s.join_relative_x_axes (si, true, ref max_rec_width, ref max_rec_height, ref max_font_indent, ref max_axis_font_height, ref nskip);
else
s.join_relative_y_axes (si, true, ref max_rec_width, ref max_rec_height, ref max_font_indent, ref max_axis_font_width, ref nskip);
// for 4.2. Cursor values for joint X axis
if (si == chart.zoom_first_show && chart.cursors.cursors_crossings.length != 0) {
switch (chart.cursors.cursor_style.orientation) {
case Cursors.Orientation.VERTICAL:
if (is_x && chart.joint_x)
switch (axis.position) {
case Axis.Position.LOW: chart.plot_y_max -= max_rec_height + axis.font_indent; break;
case Axis.Position.HIGH: chart.plot_y_min += max_rec_height + axis.font_indent; break;
}
break;
case Cursors.Orientation.HORIZONTAL:
if (!is_x && chart.joint_y)
switch (s.axis_y.position) {
case Axis.Position.LOW: chart.plot_x_min += max_rec_width + s.axis_y.font_indent; break;
case Axis.Position.HIGH: chart.plot_x_max -= max_rec_width + s.axis_y.font_indent; break;
}
break;
}
}
if (is_x && (!chart.joint_x || si == chart.zoom_first_show))
switch (axis.position) {
case Axis.Position.LOW: chart.plot_y_max -= max_rec_height + max_font_indent + max_axis_font_height; break;
case Axis.Position.HIGH: chart.plot_y_min += max_rec_height + max_font_indent + max_axis_font_height; break;
}
if (!is_x && (!chart.joint_y || si == chart.zoom_first_show))
switch (s.axis_y.position) {
case Axis.Position.LOW: chart.plot_x_min += max_rec_width + max_font_indent + max_axis_font_width; break;
case Axis.Position.HIGH: chart.plot_x_max -= max_rec_width + max_font_indent + max_axis_font_width; break;
}
}
public virtual void join_relative_x_axes (int si,
bool calc_max_values,
ref double max_rec_width,