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Cairo-Chart
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Profiling: Context.stroke() calls number reduced.

This commit is contained in:
Kolan Sh 2017-12-25 21:13:56 +03:00
parent 1b8e2a9633
commit 4eeb2c8488
1 changed files with 4 additions and 16 deletions
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20
src/Chart.vala
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@ -827,8 +827,8 @@ namespace Gtk.CairoChart {
context.line_to (scr_x, double.max (y, plot_area_y_max - (plot_area_y_max - plot_area_y_min) * s.place.zoom_y_low));
break;
}
context.stroke ();
}
context.stroke ();
// join relative x-axes with non-intersect places
for (int sj = si - 1; sj >= 0; --sj) {
@ -963,8 +963,8 @@ namespace Gtk.CairoChart {
context.line_to (double.min (x, plot_area_x_min + (plot_area_x_max - plot_area_x_min) * s.place.zoom_x_low), scr_y);
break;
}
context.stroke ();
}
context.stroke ();
// join relative x-axes with non-intersect places
for (int sj = si - 1; sj >= 0; --sj) {
@ -1426,6 +1426,7 @@ namespace Gtk.CairoChart {
var low = Point(plot_area_x_max, plot_area_y_max); // low and high
var high = Point(plot_area_x_min, plot_area_y_min); // points of the cursor
unowned CursorCross[] ccs = cursors_crossings[cci].crossings;
set_line_style(cursor_line_style);
for (var ci = 0, max_ci = ccs.length; ci < max_ci; ++ci) {
var si = ccs[ci].series_index;
var s = series[si];
@ -1458,10 +1459,8 @@ namespace Gtk.CairoChart {
}
}
set_line_style(cursor_line_style);
context.move_to (ccs[ci].scr_point.x, ccs[ci].scr_point.y);
context.line_to (ccs[ci].scr_value_point.x, ccs[ci].scr_value_point.y);
context.stroke ();
}
var c = all_cursors.nth_data(cursors_crossings[cci].cursor_index);
@ -1469,10 +1468,8 @@ namespace Gtk.CairoChart {
switch (cursors_orientation) {
case CursorOrientation.VERTICAL:
if (low.y > high.y) continue;
set_line_style(cursor_line_style);
context.move_to (rel2scr_x(c.x), low.y);
context.line_to (rel2scr_x(c.x), high.y);
context.stroke();
// show common X value
if (common_x_axes) {
@ -1524,16 +1521,12 @@ namespace Gtk.CairoChart {
if (s.axis_x.time_format != "") show_text(time_text_t);
break;
}
context.stroke ();
}
break;
case CursorOrientation.HORIZONTAL:
if (low.x > high.x) continue;
set_line_style(cursor_line_style);
context.move_to (low.x, rel2scr_y(c.y));
context.line_to (high.x, rel2scr_y(c.y));
context.stroke();
// show common Y value
if (common_y_axes) {
@ -1554,11 +1547,10 @@ namespace Gtk.CairoChart {
}
context.move_to (print_x, print_y);
show_text(text_t);
context.stroke ();
}
break;
}
context.stroke ();
// show value (X, Y or [X;Y])
for (var ci = 0, max_ci = ccs.length; ci < max_ci; ++ci) {
@ -1582,7 +1574,6 @@ namespace Gtk.CairoChart {
context.move_to (svp.x - size.x / 2, svp.y + text_t.get_height(context) / 2);
if (common_x_axes) set_source_rgba (common_axis_color);
show_text(text_t);
context.stroke();
}
if (show_time) {
@ -1595,7 +1586,6 @@ namespace Gtk.CairoChart {
context.move_to (svp.x - size.x / 2, y);
if (common_x_axes) set_source_rgba (common_axis_color);
show_text(text_t);
context.stroke();
}
if (show_date) {
@ -1608,7 +1598,6 @@ namespace Gtk.CairoChart {
context.move_to (svp.x - size.x / 2, y);
if (common_x_axes) set_source_rgba (common_axis_color);
show_text(text_t);
context.stroke();
}
if (show_y) {
@ -1617,7 +1606,6 @@ namespace Gtk.CairoChart {
context.move_to (svp.x + size.x / 2 - text_t.get_width(context), svp.y + text_t.get_height(context) / 2);
if (common_y_axes) set_source_rgba (common_axis_color);
show_text(text_t);
context.stroke();
}
}
}