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Cairo-Chart
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In progress... show_text() -> Text.vala #2

This commit is contained in:
Kolan Sh 2018-01-10 11:06:43 +03:00
parent 6f5e5773d2
commit 00278899fd
2 changed files with 20 additions and 24 deletions
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42
src/Chart.vala
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@ -200,17 +200,13 @@ namespace CairoChart {
public double title_indent = 4;
public virtual void show_text(Text text) {
text.show(context);
}
protected virtual void draw_chart_title () {
var sz = title.get_size(context);
title_height = sz.height + (legend.position == Legend.Position.TOP ? title_indent * 2 : title_indent);
cur_y_min += title_height;
set_source_rgba(title.color);
context.move_to (width/2 - sz.width/2, sz.height + title_indent);
show_text(title);
title.show(context);
}
public virtual void set_line_style (Line.Style style) {
@ -569,7 +565,7 @@ namespace CairoChart {
context.move_to(scr_x - sz.width / 2.0, scr_y);
set_source_rgba(s.axis_x.color);
if (joint_x) set_source_rgba(joint_axis_color);
show_text(s.axis_x.title);
s.axis_x.title.show(context);
}
// 5. Draw records, update cur_{x,y}_{min,max}.
@ -594,14 +590,14 @@ namespace CairoChart {
context.move_to (print_x, print_y);
switch (s.axis_x.type) {
case Axis.Type.NUMBERS:
show_text(text_t);
text_t.show(context);
break;
case Axis.Type.DATE_TIME:
if (s.axis_x.date_format != "") show_text(text_t);
if (s.axis_x.date_format != "") text_t.show(context);
var time_text_t = new Text(time_text, s.axis_x.font_style, s.axis_x.color);
print_x = compact_rec_x_pos (s, x, time_text_t);
context.move_to (print_x, print_y - (s.axis_x.date_format == "" ? 0 : text_t.get_height(context) + s.axis_x.font_indent));
if (s.axis_x.time_format != "") show_text(time_text_t);
if (s.axis_x.time_format != "") time_text_t.show(context);
break;
}
// 6. Draw grid lines to the s.place.zoom_y_min.
@ -622,14 +618,14 @@ namespace CairoChart {
switch (s.axis_x.type) {
case Axis.Type.NUMBERS:
show_text(text_t);
text_t.show(context);
break;
case Axis.Type.DATE_TIME:
if (s.axis_x.date_format != "") show_text(text_t);
if (s.axis_x.date_format != "") text_t.show(context);
var time_text_t = new Text(time_text, s.axis_x.font_style, s.axis_x.color);
print_x = compact_rec_x_pos (s, x, time_text_t);
context.move_to (print_x, print_y - (s.axis_x.date_format == "" ? 0 : text_t.get_height(context) + s.axis_x.font_indent));
if (s.axis_x.time_format != "") show_text(time_text_t);
if (s.axis_x.time_format != "") time_text_t.show(context);
break;
}
// 6. Draw grid lines to the s.place.zoom_y_max.
@ -738,7 +734,7 @@ namespace CairoChart {
}
set_source_rgba(s.axis_y.color);
if (joint_y) set_source_rgba(joint_axis_color);
show_text(s.axis_y.title);
s.axis_y.title.show(context);
}
// 5. Draw records, update cur_{x,y}_{min,max}.
@ -754,7 +750,7 @@ namespace CairoChart {
context.move_to (cur_x_min + max_rec_width - text_sz.width + s.axis_y.font_indent
+ (s.axis_y.title.text == "" ? 0 : sz.width + s.axis_y.font_indent),
compact_rec_y_pos (s, y, text_t));
show_text(text_t);
text_t.show(context);
// 6. Draw grid lines to the s.place.zoom_x_min.
var line_style = s.grid.line_style;
if (joint_y) line_style.color = Color(0, 0, 0, 0.5);
@ -770,7 +766,7 @@ namespace CairoChart {
context.move_to (cur_x_max - text_sz.width - s.axis_y.font_indent
- (s.axis_y.title.text == "" ? 0 : sz.width + s.axis_y.font_indent),
compact_rec_y_pos (s, y, text_t));
show_text(text_t);
text_t.show(context);
// 6. Draw grid lines to the s.place.zoom_x_max.
var line_style = s.grid.line_style;
if (joint_y) line_style.color = Color(0, 0, 0, 0.5);
@ -1324,13 +1320,13 @@ namespace CairoChart {
switch (s.axis_x.type) {
case Axis.Type.NUMBERS:
show_text(text_t);
text_t.show(context);
break;
case Axis.Type.DATE_TIME:
if (s.axis_x.date_format != "") show_text(text_t);
if (s.axis_x.date_format != "") text_t.show(context);
print_x = compact_rec_x_pos (s, x, time_text_t);
context.move_to (print_x, print_y - (s.axis_x.date_format == "" ? 0 : sz.height + s.axis_x.font_indent));
if (s.axis_x.time_format != "") show_text(time_text_t);
if (s.axis_x.time_format != "") time_text_t.show(context);
break;
}
}
@ -1358,7 +1354,7 @@ namespace CairoChart {
break;
}
context.move_to (print_x, print_y);
show_text(text_t);
text_t.show(context);
}
break;
}
@ -1385,7 +1381,7 @@ namespace CairoChart {
var text_t = new Text(s.axis_x.format.printf((LongDouble)point.x), s.axis_x.font_style);
context.move_to (svp.x - size.x / 2, svp.y + text_t.get_height(context) / 2);
if (joint_x) set_source_rgba (joint_axis_color);
show_text(text_t);
text_t.show(context);
}
if (show_time) {
@ -1398,7 +1394,7 @@ namespace CairoChart {
if (show_date) y -= sz.height / 2 + s.axis_x.font_indent / 2;
context.move_to (svp.x - size.x / 2, y);
if (joint_x) set_source_rgba (joint_axis_color);
show_text(text_t);
text_t.show(context);
}
if (show_date) {
@ -1411,7 +1407,7 @@ namespace CairoChart {
if (show_time) y += sz.height / 2 + s.axis_x.font_indent / 2;
context.move_to (svp.x - size.x / 2, y);
if (joint_x) set_source_rgba (joint_axis_color);
show_text(text_t);
text_t.show(context);
}
if (show_y) {
@ -1420,7 +1416,7 @@ namespace CairoChart {
var sz = text_t.get_size(context);
context.move_to (svp.x + size.x / 2 - sz.width, svp.y + sz.height / 2);
if (joint_y) set_source_rgba (joint_axis_color);
show_text(text_t);
text_t.show(context);
}
}
}

2
src/Legend.vala
View File

@ -145,7 +145,7 @@ namespace CairoChart {
// series title
chart.context.move_to (x + line_length, y);
chart.set_source_rgba (s.title.color);
chart.show_text(s.title);
s.title.show(chart.context);
// series line style
chart.context.move_to (x, y - title_sz.height / 2);