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join relative y-axes with non-intersect places

This commit is contained in:
Kolan Sh 2018-01-15 14:51:16 +03:00
parent db93ad0bd3
commit 2b25f9c554
1 changed files with 47 additions and 55 deletions
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88
src/Chart.vala
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@ -271,6 +271,43 @@ namespace CairoChart {
} }
} }
protected virtual void join_relative_y_axes (Series s,
int si,
bool calc_max_values,
ref double max_rec_width,
ref double max_rec_height,
ref double max_font_indent,
ref double max_axis_font_width,
ref int nskip) {
for (int sj = si - 1; sj >= 0; --sj) {
var s2 = series[sj];
if (!s2.zoom_show) continue;
bool has_intersection = false;
for (int sk = si; sk > sj; --sk) {
var s3 = series[sk];
if (!s3.zoom_show) continue;
if (math.are_intersect(s2.place.zoom_y_min, s2.place.zoom_y_max, s3.place.zoom_y_min, s3.place.zoom_y_max)
|| s2.axis_y.position != s3.axis_y.position
|| s2.axis_y.type != s3.axis_y.type) {
has_intersection = true;
break;
}
}
if (!has_intersection) {
double tmp_max_rec_width = 0; double tmp_max_rec_height = 0;
s2.axis_y.calc_rec_sizes (this, out tmp_max_rec_width, out tmp_max_rec_height, false);
max_rec_width = double.max (max_rec_width, tmp_max_rec_width);
max_rec_height = double.max (max_rec_height, tmp_max_rec_height);
max_font_indent = double.max (max_font_indent, s2.axis_y.font_indent);
max_axis_font_width = double.max (max_axis_font_width, s2.axis_y.title.text == "" ? 0
: s2.axis_y.title.get_width(context) + s.axis_y.font_indent);
++nskip;
} else {
break;
}
}
}
protected virtual void calc_plot_area () { protected virtual void calc_plot_area () {
plot_x_min = cur_x_min + legend.indent; plot_x_min = cur_x_min + legend.indent;
plot_x_max = cur_x_max - legend.indent; plot_x_max = cur_x_max - legend.indent;
@ -326,34 +363,7 @@ namespace CairoChart {
var max_font_indent = s.axis_y.font_indent; var max_font_indent = s.axis_y.font_indent;
var max_axis_font_width = s.axis_y.title.text == "" ? 0 : s.axis_y.title.get_width(context) + s.axis_y.font_indent; var max_axis_font_width = s.axis_y.title.text == "" ? 0 : s.axis_y.title.get_width(context) + s.axis_y.font_indent;
// join relative y-axes with non-intersect places join_relative_y_axes (s, si, true, ref max_rec_width, ref max_rec_height, ref max_font_indent, ref max_axis_font_width, ref nskip);
for (int sj = si - 1; sj >= 0; --sj) {
var s2 = series[sj];
if (!s2.zoom_show) continue;
bool has_intersection = false;
for (int sk = si; sk > sj; --sk) {
var s3 = series[sk];
if (!s3.zoom_show) continue;
if (math.are_intersect(s2.place.zoom_y_min, s2.place.zoom_y_max, s3.place.zoom_y_min, s3.place.zoom_y_max)
|| s2.axis_y.position != s3.axis_y.position
|| s2.axis_y.type != s3.axis_y.type) {
has_intersection = true;
break;
}
}
if (!has_intersection) {
double tmp_max_rec_width = 0; double tmp_max_rec_height = 0;
s2.axis_y.calc_rec_sizes (this, out tmp_max_rec_width, out tmp_max_rec_height, false);
max_rec_width = double.max (max_rec_width, tmp_max_rec_width);
max_rec_height = double.max (max_rec_height, tmp_max_rec_height);
max_font_indent = double.max (max_font_indent, s2.axis_y.font_indent);
max_axis_font_width = double.max (max_axis_font_width, s2.axis_y.title.text == "" ? 0
: s2.axis_y.title.get_width(context) + s.axis_y.font_indent);
++nskip;
} else {
break;
}
}
// for 4.2. Cursor values for joint Y axis // for 4.2. Cursor values for joint Y axis
if (joint_y && si == zoom_first_show && cursor_style.orientation == Cursor.Orientation.HORIZONTAL && cursors_crossings.length != 0) { if (joint_y && si == zoom_first_show && cursor_style.orientation == Cursor.Orientation.HORIZONTAL && cursors_crossings.length != 0) {
@ -634,26 +644,8 @@ namespace CairoChart {
} }
context.stroke (); context.stroke ();
// join relative y-axes with non-intersect places double tmp1 = 0, tmp2 = 0, tmp3 = 0, tmp4 = 0;
for (int sj = si - 1; sj >= 0; --sj) { join_relative_y_axes (s, si, false, ref tmp1, ref tmp2, ref tmp3, ref tmp4, ref nskip);
var s2 = series[sj];
if (!s2.zoom_show) continue;
bool has_intersection = false;
for (int sk = si; sk > sj; --sk) {
var s3 = series[sk];
if (!s3.zoom_show) continue;
if (math.are_intersect(s2.place.zoom_y_min, s2.place.zoom_y_max, s3.place.zoom_y_min, s3.place.zoom_y_max)
|| s2.axis_y.position != s3.axis_y.position) {
has_intersection = true;
break;
}
}
if (!has_intersection) {
++nskip;
} else {
break;
}
}
if (nskip != 0) {--nskip; continue;} if (nskip != 0) {--nskip; continue;}