Files
PaintPlus/frontend/src/js/modules/effects/box_blur.js
T

88 lines
2.2 KiB
JavaScript

import app from './../../app.js';
import config from './../../config.js';
import Dialog_class from './../../libs/popup.js';
import Base_layers_class from './../../core/base-layers.js';
import ImageFilters from './../../libs/imagefilters.js';
import alertify from './../../../../node_modules/alertifyjs/build/alertify.min.js';
class Effects_boxBlur_class {
constructor() {
this.POP = new Dialog_class();
this.Base_layers = new Base_layers_class();
}
box_blur() {
var _this = this;
if (config.layer.type != 'image') {
alertify.error('This layer must contain an image. Please convert it to raster to apply this tool.');
return;
}
var settings = {
title: 'Box blur',
preview: true,
effects: true,
params: [
{name: "param1", title: "H Radius:", value: 3, range: [1, 20]},
{name: "param2", title: "V Radius:", value: 3, range: [1, 20]},
{name: "param3", title: "Quality:", value: 3, range: [1, 20]},
],
on_change: function (params, canvas_preview, w, h) {
var img = canvas_preview.getImageData(0, 0, w, h);
var data = _this.change(img, params);
canvas_preview.putImageData(data, 0, 0);
},
on_finish: function (params) {
_this.save(params);
},
};
this.POP.show(settings);
}
save(params) {
//get canvas from layer
var canvas = this.Base_layers.convert_layer_to_canvas(null, true);
var ctx = canvas.getContext("2d");
//change data
var img = ctx.getImageData(0, 0, canvas.width, canvas.height);
var data = this.change(img, params);
ctx.putImageData(data, 0, 0);
//save
return app.State.do_action(
new app.Actions.Update_layer_image_action(canvas)
);
}
change(data, params) {
var param1 = params.param1;
var param2 = params.param2;
var param3 = params.param3;
var filtered = ImageFilters.BoxBlur(data, param1, param2, param3);
return filtered;
}
demo(canvas_id, canvas_thumb){
var canvas = document.getElementById(canvas_id);
var ctx = canvas.getContext("2d");
ctx.drawImage(canvas_thumb, 0, 0);
//now update
var img = ctx.getImageData(0, 0, canvas_thumb.width, canvas_thumb.height);
var params = {
param1: 20,
param2: 1,
param3: 1,
}
var data = this.change(img, params);
ctx.putImageData(data, 0, 0);
}
}
export default Effects_boxBlur_class;