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join relative x-axes with non-intersect places

This commit is contained in:
Kolan Sh 2018-01-15 14:32:41 +03:00
parent a7aa97bea5
commit db93ad0bd3
1 changed files with 45 additions and 52 deletions
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97
src/Chart.vala
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@ -232,6 +232,45 @@ namespace CairoChart {
}
}
protected virtual void join_relative_x_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_height,
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_x_min, s2.place.zoom_x_max, s3.place.zoom_x_min, s3.place.zoom_x_max)
|| s2.axis_x.position != s3.axis_x.position
|| s2.axis_x.type != s3.axis_x.type) {
has_intersection = true;
break;
}
}
if (!has_intersection) {
if (calc_max_values) {
double tmp_max_rec_width = 0; double tmp_max_rec_height = 0;
s2.axis_x.calc_rec_sizes (this, out tmp_max_rec_width, out tmp_max_rec_height, true);
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_x.font_indent);
max_axis_font_height = double.max (max_axis_font_height, s2.axis_x.title.text == "" ? 0 :
s2.axis_x.title.get_height(context) + s.axis_x.font_indent);
}
++nskip;
} else {
break;
}
}
}
protected virtual void calc_plot_area () {
plot_x_min = cur_x_min + legend.indent;
plot_x_max = cur_x_max - legend.indent;
@ -260,34 +299,7 @@ namespace CairoChart {
var max_font_indent = s.axis_x.font_indent;
var max_axis_font_height = s.axis_x.title.text == "" ? 0 : s.axis_x.title.get_height(context) + s.axis_x.font_indent;
// join relative x-axes with non-intersect places
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_x_min, s2.place.zoom_x_max, s3.place.zoom_x_min, s3.place.zoom_x_max)
|| s2.axis_x.position != s3.axis_x.position
|| s2.axis_x.type != s3.axis_x.type) {
has_intersection = true;
break;
}
}
if (!has_intersection) {
double tmp_max_rec_width = 0; double tmp_max_rec_height = 0;
s2.axis_x.calc_rec_sizes (this, out tmp_max_rec_width, out tmp_max_rec_height, true);
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_x.font_indent);
max_axis_font_height = double.max (max_axis_font_height, s2.axis_x.title.text == "" ? 0 :
s2.axis_x.title.get_height(context) + s.axis_x.font_indent);
++nskip;
} else {
break;
}
}
join_relative_x_axes (s, si, true, ref max_rec_width, ref max_rec_height, ref max_font_indent, ref max_axis_font_height, ref nskip);
// for 4.2. Cursor values for joint X axis
if (joint_x && si == zoom_first_show && cursor_style.orientation == Cursor.Orientation.VERTICAL && cursors_crossings.length != 0) {
@ -314,7 +326,7 @@ namespace CairoChart {
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;
// join relative x-axes with non-intersect places
// join relative y-axes with non-intersect places
for (int sj = si - 1; sj >= 0; --sj) {
var s2 = series[sj];
if (!s2.zoom_show) continue;
@ -324,7 +336,7 @@ namespace CairoChart {
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_x.type != s3.axis_x.type) {
|| s2.axis_y.type != s3.axis_y.type) {
has_intersection = true;
break;
}
@ -502,27 +514,8 @@ namespace CairoChart {
}
context.stroke ();
// join relative x-axes with non-intersect places
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_x_min, s2.place.zoom_x_max, s3.place.zoom_x_min, s3.place.zoom_x_max)
|| s2.axis_x.position != s3.axis_x.position
|| s2.axis_x.type != s3.axis_x.type) {
has_intersection = true;
break;
}
}
if (!has_intersection) {
++nskip;
} else {
break;
}
}
double tmp1 = 0, tmp2 = 0, tmp3 = 0, tmp4 = 0;
join_relative_x_axes (s, si, false, ref tmp1, ref tmp2, ref tmp3, ref tmp4, ref nskip);
if (nskip != 0) {--nskip; continue;}
@ -641,7 +634,7 @@ namespace CairoChart {
}
context.stroke ();
// join relative x-axes with non-intersect places
// join relative y-axes with non-intersect places
for (int sj = si - 1; sj >= 0; --sj) {
var s2 = series[sj];
if (!s2.zoom_show) continue;