Add x and yAxis label

This commit is contained in:
linarphy 2024-01-17 03:13:30 +01:00
parent b778460312
commit 8cb1818612
No known key found for this signature in database
GPG key ID: 0610ABB68DAA7B65
4 changed files with 137 additions and 17 deletions

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@ -27,7 +27,8 @@ This project is licensied under the Chocolate-Ware license - see the
## Changelog
*v 0.1.3*
- Add text support (title only)
- Add text support
- Add x and y-Axis with label
*v 0.1.2*
- Add documentation

3
coc-nvim.lua Normal file
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@ -0,0 +1,3 @@
return {
'neoclide/coc.nvim',
}

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@ -192,6 +192,7 @@ class Axes
this.width = width;
this.height = height;
this.title = new Title( title );
this.axis = new Axis();
this.lines = [];
}
@ -211,11 +212,10 @@ class Axes
* a color, and style is "solid", "dotted",
* "dashdot" or "dashed". Default value is
* color = "black" and style = "solid"
* @param String label Label that will be displayed in the legend
*/
plot(x, y, linestyle = {color: "black", style: "solid"}, label = '')
plot(x, y, linestyle = {color: "black", style: "solid"})
{
let line = new Line(x, y, linestyle, label);
let line = new Line(x, y, linestyle);
this.lines.push(line);
}
@ -263,15 +263,20 @@ class Axes
)
)
);
let plot_window = this.title.draw(
let n_window = this.title.draw(
ctx ,
window,
);
n_window = this.axis.draw(
ctx ,
n_window,
[ [x_min, y_min], [x_max, y_max] ],
);
for (const index_line in this.lines)
{
this.lines[index_line].draw(
ctx ,
plot_window,
n_window,
[
[x_min, y_min],
[x_max, y_max],
@ -282,9 +287,9 @@ class Axes
ctx.strokeStyle = 'black';
ctx.setLineDash([]);
ctx.strokeRect(
plot_window[0][0], plot_window[0][1],
plot_window[1][0] - plot_window[0][0],
plot_window[1][1] - plot_window[0][1],
n_window[0][0], n_window[0][1],
n_window[1][0] - n_window[0][0],
n_window[1][1] - n_window[0][1],
);
}
@ -323,7 +328,6 @@ class Axes
* a color, and style is "solid", "dotted",
* "dashdot" or "dashed". Default value is
* color = "black" and style = "solid"
* @property String label Label that will be displayed in the legend
*/
class Line
{
@ -341,19 +345,16 @@ class Line
* a color, and style is "solid", "dotted",
* "dashdot" or "dashed". Default value is
* color = "black" and style = "solid"
* @param String label Label that will be displayed in the legend
*/
constructor(
x ,
y ,
linestyle = {color: "black", style: "solid"},
label = ''
)
{
this.x = x ;
this.y = y ;
this.linestyle = linestyle ;
this.label = label ;
}
/**
@ -372,7 +373,7 @@ class Line
const box_height = box[1][1] - box[0][1];
let x_coordinates = this.x.map(
function (element, index, array)
function (element)
{
return box[0][0] + box_width * (
element - view[0][0]
@ -380,7 +381,7 @@ class Line
}
);
let y_coordinates = this.y.map(
function (element, index, array)
function (element)
{
return box[0][1] + box_height - ( // starting top left
box_height * (
@ -531,6 +532,121 @@ class Title
}
}
/**
* Axis (x and y) of the axes (not separated xaxis and yaxis)
*
* @property number_x_tick int Number of x axis tick
* @property number_y_tick int Number of y axis tick
* @property int size_tick Size of the tick
* @property int margin Size of the margin
*/
class Axis
{
/**
* @param number_x_tick int Number of x axis tick
* @param number_y_tick int Number of y axis tick
* @param size_tick int Size of the tick
* @param margin int Size of the margin
* @param text_height int Height of the text label
*/
constructor(
number_x_tick = 4,
number_y_tick = 4,
size_tick = 5,
margin = 15,
text_height = 15,
)
{
this.number_x_tick = number_x_tick;
this.number_y_tick = number_y_tick;
this.size_tick = size_tick;
this.margin = margin;
this.text_height = text_height;
}
/**
* draw xaxis and yaxis to canvas
*
* @param ctx CanvasRenderingContext2D Context of canvas
* @param window 2darray<Number> Window where to draw the canvas
* @param view 2darray<Number> Window where to draw the canvas with
* the real value
*/
draw(ctx, window, view)
{
let index = 0;
let start_pos = window[0][1];
let padding = (
window[1][1] - window[0][1] - this.margin - this.text_height - this.size_tick
) / this.number_y_tick;
let step = (view[1][1] - view[0][1]) / this.number_y_tick;
let width = 2 * this.text_height;
while (index <= this.number_y_tick)
{
let current_y = start_pos + index * padding;
let text = (
view[1][1] - index * step
).toString().slice(0,3);
let text_position = current_y + this.text_height / 2
ctx.strokeStyle = 'black';
ctx.beginPath();
ctx.moveTo(
window[0][0] + this.margin + width,
current_y,
);
ctx.lineTo(
window[0][0] + this.margin + this.size_tick + width,
current_y,
);
ctx.stroke();
ctx.fillText(
text,
window[0][0] + this.margin,
text_position,
);
current_y += padding;
index += 1;
}
index = 0;
start_pos = window[0][0] + this.margin + this.size_tick
+ width;
padding = (
window[1][0] - this.margin - start_pos
) / this.number_x_tick;
step = (view[1][0] - view[0][0]) / this.number_x_tick;
while (index <= this.number_x_tick)
{
let current_x = start_pos + padding * index;
let text = (
view[0][0] + index * step
).toString().slice(0,3);
let text_width = ctx.measureText(text).width;
let text_position = current_x - text_width / 2;
ctx.strokeStyle = 'black';
ctx.beginPath();
ctx.moveTo(
current_x,
window[1][1] - this.margin - this.text_height,
);
ctx.lineTo(
current_x,
window[1][1] - this.margin - this.size_tick - this.text_height,
);
ctx.stroke();
ctx.fillText(
text ,
text_position,
window[1][1] - this.margin,
);
index += 1;
}
return [
[window[0][0] + this.margin + this.size_tick + width, window[0][1]],
[window[1][0] - this.margin , window[1][1] - this.text_height - this.margin - this.size_tick],
];
}
}
/**
* get max or min of a 1d array of number
*

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@ -16,8 +16,8 @@ manager.list_canvas[0].figure.list_axes[0].plot(
[0,2,4,6,8,10]
);
manager.list_canvas[0].figure.add_axes().plot(
[0,1,2,3,4,5],
[1,1/2,1/3,1/4,1/5],
[2,4,6,8,10],
[1/2,1/4,1/6,1/8,1/10],
{
color: 'rgb(0,255,0)',
style: 'dashdot'