133 lines
4.2 KiB
JavaScript
133 lines
4.2 KiB
JavaScript
/* jslint esversion: 6 */
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/*
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* Copyright 2019 Abakkk
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*
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* This file is part of DrawOnYourScreen, a drawing extension for GNOME Shell.
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* https://framagit.org/abakkk/DrawOnYourScreen
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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const Gdk = imports.gi.Gdk;
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const GdkPixbuf = imports.gi.GdkPixbuf;
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const Gio = imports.gi.Gio;
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const GLib = imports.gi.GLib;
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const Lang = imports.lang;
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const ExtensionUtils = imports.misc.extensionUtils;
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const Me = ExtensionUtils.getCurrentExtension();
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const EXAMPLE_IMAGES = Me.dir.get_child('data').get_child('images');
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const USER_IMAGES = Gio.File.new_for_path(GLib.build_filenamev([GLib.get_user_data_dir(), Me.metadata['data-dir'], 'images']));
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var Image = new Lang.Class({
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Name: 'DrawOnYourScreenImage',
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_init: function(params) {
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for (let key in params)
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this[key] = params[key];
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},
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toString: function() {
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return this.displayName;
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},
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toJson: function() {
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return {
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displayName: this.displayName,
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contentType: this.contentType,
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_base64: this.base64,
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_hash: this.hash
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};
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},
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// only called from menu so file exists
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get gicon() {
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if (!this._gicon)
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this._gicon = new Gio.FileIcon({ file: this.file });
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return this._gicon;
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},
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get bytes() {
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if (!this._bytes) {
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if (this.file)
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this._bytes = this.file.load_bytes(null)[0];
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else
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this._bytes = new GLib.Bytes(GLib.base64_decode(this._base64));
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}
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return this._bytes;
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},
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get base64() {
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if (!this._base64)
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this._base64 = GLib.base64_encode(this.bytes.get_data());
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return this._base64;
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},
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get hash() {
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if (!this._hash)
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this._hash = this.bytes.hash();
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return this._hash;
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},
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get pixbuf() {
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if (!this._pixbuf) {
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let stream = Gio.MemoryInputStream.new_from_bytes(this.bytes);
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this._pixbuf = GdkPixbuf.Pixbuf.new_from_stream(stream, null);
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stream.close(null);
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}
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return this._pixbuf;
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},
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getPixbufAtScale: function(width, height) {
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let stream = Gio.MemoryInputStream.new_from_bytes(this.bytes);
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let pixbuf = GdkPixbuf.Pixbuf.new_from_stream_at_scale(stream, width, height, true, null);
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stream.close(null);
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return pixbuf;
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},
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setCairoSource: function(cr, x, y, width, height, preserveAspectRatio) {
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let pixbuf = preserveAspectRatio ? this.getPixbufAtScale(width, height)
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: this.pixbuf.scale_simple(width, height, GdkPixbuf.InterpType.BILINEAR);
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Gdk.cairo_set_source_pixbuf(cr, pixbuf, x, y);
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}
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});
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var getImages = function() {
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let images = [];
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[EXAMPLE_IMAGES, USER_IMAGES].forEach(directory => {
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let enumerator;
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try {
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enumerator = directory.enumerate_children('standard::display-name,standard::content-type', Gio.FileQueryInfoFlags.NONE, null);
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} catch(e) {
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return;
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}
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let fileInfo = enumerator.next_file(null);
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while (fileInfo) {
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if (fileInfo.get_content_type().indexOf('image') == 0)
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images.push(new Image({ file: enumerator.get_child(fileInfo), contentType: fileInfo.get_content_type(), displayName: fileInfo.get_display_name() }));
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fileInfo = enumerator.next_file(null);
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}
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enumerator.close(null);
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});
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images.sort((a, b) => {
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return b.displayName < a.displayName;
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});
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return images;
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};
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