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Cairo-Chart
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This commit is contained in:
Kolan Sh 2018-01-23 13:36:56 +03:00
parent bb2b61421b
commit ca63a3af3b
1 changed files with 35 additions and 56 deletions
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59
src/Axis.vala
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@ -240,9 +240,9 @@ namespace CairoChart {
if (si == -1) return;
if (is_x)
join_rel_x_axes (si, true, ref max_rec_width, ref max_rec_height, ref max_font_spacing, ref max_axis_font_height, ref nskip);
join_rel_axes (si, true, ref max_rec_width, ref max_rec_height, ref max_font_spacing, ref max_axis_font_height, ref nskip);
else
join_rel_y_axes (si, true, ref max_rec_width, ref max_rec_height, ref max_font_spacing, ref max_axis_font_width, ref nskip);
join_rel_axes (si, true, ref max_rec_width, ref max_rec_height, ref max_font_spacing, ref max_axis_font_width, ref nskip);
// for 4.2. Cursor values for joint X axis
if (si == chart.zoom_1st_idx && chart.cursors.has_crossings) {
@ -347,7 +347,7 @@ namespace CairoChart {
chart.ctx.stroke ();
var tmp1 = 0.0, tmp2 = 0.0, tmp3 = 0.0, tmp4 = 0.0;
join_rel_x_axes (si, false, ref tmp1, ref tmp2, ref tmp3, ref tmp4, ref nskip);
join_rel_axes (si, false, ref tmp1, ref tmp2, ref tmp3, ref tmp4, ref nskip);
if (nskip != 0) {--nskip; return;}
@ -425,7 +425,7 @@ namespace CairoChart {
chart.ctx.stroke ();
var tmp1 = 0.0, tmp2 = 0.0, tmp3 = 0.0, tmp4 = 0.0;
join_rel_y_axes (si, false, ref tmp1, ref tmp2, ref tmp3, ref tmp4, ref nskip);
join_rel_axes (si, false, ref tmp1, ref tmp2, ref tmp3, ref tmp4, ref nskip);
if (nskip != 0) {--nskip; return;}
@ -495,12 +495,12 @@ namespace CairoChart {
}
}
protected virtual void join_rel_x_axes (int si,
protected virtual void join_rel_axes (int si,
bool calc_max_values,
ref double max_rec_width,
ref double max_rec_height,
ref double max_font_spacing,
ref double max_axis_font_height,
ref double max_axis_font_size,
ref int nskip) {
for (int sj = si - 1; sj >= 0; --sj) {
var s2 = chart.series[sj];
@ -509,44 +509,14 @@ namespace CairoChart {
for (int sk = si; sk > sj; --sk) {
var s3 = chart.series[sk];
if (!s3.zoom_show) continue;
if (is_x) {
if (Math.coord_cross(s2.axis_x.place.zmin, s2.axis_x.place.zmax, s3.axis_x.place.zmin, s3.axis_x.place.zmax)
|| s2.axis_x.position != s3.axis_x.position
|| s2.axis_x.dtype != s3.axis_x.dtype) {
has_intersection = true;
break;
}
}
if (!has_intersection) {
if (calc_max_values) {
var tmp_max_rec_width = 0.0, tmp_max_rec_height = 0.0;
calc_rec_sizes (s2.axis_x, 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_spacing = double.max (max_font_spacing, s2.axis_x.font.vspacing);
max_axis_font_height = double.max (max_axis_font_height, s2.axis_x.title.text == "" ? 0 :
s2.axis_x.title.height + font.vspacing);
}
++nskip;
} else {
break;
}
}
}
protected virtual void join_rel_y_axes (int si,
bool calc_max_values,
ref double max_rec_width,
ref double max_rec_height,
ref double max_font_spacing,
ref double max_axis_font_width,
ref int nskip) {
for (int sj = si - 1; sj >= 0; --sj) {
var s2 = chart.series[sj];
if (!s2.zoom_show) continue;
bool has_intersection = false;
for (int sk = si; sk > sj; --sk) {
var s3 = chart.series[sk];
if (!s3.zoom_show) continue;
if (Math.coord_cross(s2.axis_y.place.zmin, s2.axis_y.place.zmax, s3.axis_y.place.zmin, s3.axis_y.place.zmax)
|| s2.axis_y.position != s3.axis_y.position
|| s2.axis_y.dtype != s3.axis_y.dtype) {
@ -554,14 +524,23 @@ namespace CairoChart {
break;
}
}
}
if (!has_intersection) {
if (calc_max_values) {
var tmp_max_rec_width = 0.0, tmp_max_rec_height = 0.0;
calc_rec_sizes (s2.axis_y, out tmp_max_rec_width, out tmp_max_rec_height, false);
if (is_x) calc_rec_sizes (s2.axis_x, out tmp_max_rec_width, out tmp_max_rec_height, true);
else calc_rec_sizes (s2.axis_y, 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_spacing = double.max (max_font_spacing, s2.axis_y.font.hspacing);
max_axis_font_width = double.max (max_axis_font_width, s2.axis_y.title.text == "" ? 0
if (is_x) max_font_spacing = double.max (max_font_spacing, s2.axis_x.font.vspacing);
else max_font_spacing = double.max (max_font_spacing, s2.axis_y.font.hspacing);
if (is_x) max_axis_font_size = double.max (max_axis_font_size,
s2.axis_x.title.text == "" ? 0
: s2.axis_x.title.height + font.vspacing);
else max_axis_font_size = double.max (max_axis_font_size,
s2.axis_y.title.text == "" ? 0
: s2.axis_y.title.width + font.hspacing);
}
++nskip;
} else {
break;