-/* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is KaiRo.at Mandelbrot, XULRunner version.
- *
- * The Initial Developer of the Original Code is
- * Robert Kaiser <kairo@kairo.at>.
- * Portions created by the Initial Developer are Copyright (C) 2008
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Robert Kaiser <kairo@kairo.at>
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-var gColorPalette = [];
-
-function initSettings() {
- recalcCoord('Cr', 'scale');
- recalcCoord('Ci', 'scale');
- if (!window.opener)
- window.getButton('extra1').disabled = true;
-}
-
-function drawPreview() {
- let canvas = document.getElementById("mbrotPreview");
- let context = canvas.getContext("2d");
-
- if (document.getElementById("imgWidth").value /
- document.getElementById("imgHeight").value
- < 80 / 50) {
- canvas.height = 50;
- canvas.width = canvas.height *
- document.getElementById("imgWidth").value /
- document.getElementById("imgHeight").value;
- }
- else {
- canvas.width = 80;
- canvas.height = canvas.width *
- document.getElementById("imgHeight").value /
- document.getElementById("imgWidth").value;
- }
-
- let Cr_min = parseFloat(document.getElementById("Cr_min").value);
- let Cr_max = parseFloat(document.getElementById("Cr_max").value);
- if ((Cr_min < -2) || (Cr_min > 2) ||
- (Cr_max < -2) || (Cr_max > 2) || (Cr_min >= Cr_max)) {
- Cr_min = -2.0; Cr_max = 1.0;
- }
-
- let Ci_min = parseFloat(document.getElementById("Ci_min").value);
- let Ci_max = parseFloat(document.getElementById("Ci_max").value);
- if ((Ci_min < -2) || (Ci_min > 2) ||
- (Ci_max < -2) || (Ci_max > 2) || (Ci_min >= Ci_max)) {
- Ci_min = -2.0; Ci_max = 1.0;
- }
-
- let iterMax = gPref.getIntPref("mandelbrot.iteration_max");
- let algorithm = gPref.getCharPref("mandelbrot.use_algorithm");
-
- context.fillStyle = "rgba(255, 255, 255, 127)";
- context.fillRect(0, 0, canvas.width, canvas.height);
-
- try {
- var currentPalette = gPref.getCharPref("mandelbrot.color_palette");
- }
- catch(e) {
- var currentPalette = '';
- }
- if (!currentPalette.length) {
- currentPalette = 'kairo';
- }
- gColorPalette = getColorPalette(currentPalette);
-
- drawLine(0, [Cr_min, Cr_max, Ci_min, Ci_max],
- canvas, context, iterMax, algorithm);
-}
-
-function recalcCoord(coord, target) {
- let othercoord = (coord == 'Ci') ? 'Cr' : 'Ci';
- let owndim = (coord == 'Ci') ? 'height' : 'width';
- let otherdim = (coord == 'Ci') ? 'width' : 'height';
- if (target == 'scale') {
- var myscale =
- parseFloat(document.getElementById(coord + '_max').value) -
- parseFloat(document.getElementById(coord + '_min').value);
- document.getElementById(coord + '_scale').value = roundCoord(myscale);
- }
- else if (target == 'max') {
- let mymax =
- parseFloat(document.getElementById(coord + '_min').value) +
- parseFloat(document.getElementById(coord + '_scale').value);
- document.getElementById('mandelbrot.last_image.' + coord + '_max').value = roundCoord(mymax);
- var myscale = document.getElementById(coord + '_scale').value;
- }
- if (document.getElementById('syncProp').checked) {
- let otherscale = myscale *
- document.getElementById('mandelbrot.image.' + otherdim).value /
- document.getElementById('mandelbrot.image.' + owndim).value;
- document.getElementById(othercoord + '_scale').value = roundCoord(otherscale);
- let othermax =
- parseFloat(document.getElementById(othercoord + '_min').value) +
- parseFloat(document.getElementById(othercoord + '_scale').value);
- document.getElementById('mandelbrot.last_image.' + othercoord + '_max').value = roundCoord(othermax);
- }
-}
-
-function checkProportions() {
- if (!document.getElementById('syncProp').checked) {
- recalcCoord('Cr', 'scale');
- }
-}
-
-function roundCoord(floatval) {
- // We should round to 10 decimals here or so
- return floatval;
-}
-
-function callDrawImage() {
- window.opener.drawImage();
- window.close();
-}
\ No newline at end of file