source: other-projects/nz-flag-design/trunk/main-form/choose-canvas.html@ 29925

Last change on this file since 29925 was 29925, checked in by davidb, 9 years ago

Some minor tidy up, after some debugging

  • Property svn:executable set to *
File size: 15.2 KB
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1<!DOCTYPE html>
2<html id="story">
3 <head>
4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
5
6 <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />
7 <meta http-equiv="Pragma" content="no-cache" />
8 <meta http-equiv="Expires" content="0" />
9
10<!--
11 <meta name="viewport" content="width=device-width, initial-scale=1"/>
12-->
13 <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"/>
14 <meta http-equiv="X-UA-Compatible" content="IE=edge, chrome=1"/>
15 <meta name="apple-mobile-web-app-capable" content="yes"/>
16
17 <script src="css/source-sans-pro.js"></script>
18 <link href="css/styles.css" rel="stylesheet"/>
19 <link href="css/storystyle.css" rel="stylesheet"/>
20
21 <link rel="stylesheet" href="lib-slider/css/jquery.mobile-1.3.0.css"/>
22
23<!--
24 <link rel="stylesheet" href="lib-slider/css/jquery.mobile-1.3.2.css"/>
25-->
26 <link rel="stylesheet" href="lib-slider/css/jqm-demos.css"/>
27 <link rel="stylesheet" href="lib-slider/css/swipe-page.css"/>
28 <link rel="shortcut icon" href="lib-slider/nzflag-icon64-padded.png"/>
29
30 <!-- jQuery -->
31 <script src="lib/jquery-1.11.1.min.js"></script>
32 <script src="lib/jquery.cookie.js"></script>
33
34 <!-- page swipe -->
35<!--
36 <script src="lib-slider/js/jquery.mobile.demos.js"></script>
37-->
38 <script src="lib-slider/js/jquery.mobile-1.3.0.js"></script>
39<!--
40 <script src="lib-slider/js/jquery.mobile-1.3.2.js"></script>
41-->
42 <script src="lib-slider/js/swipe-page.js"></script>
43
44 <!-- accordion bars -->
45 <link href="css/liteaccordion.css" rel="stylesheet" />
46 <script src="js/jquery.easing.1.3.js"></script>
47 <script src="js/liteaccordion-with-resize.jquery.js"></script>
48
49 <!-- canvg library -->
50 <script type="text/javascript" src="lib/canvg/rgbcolor.js"></script>
51 <script type="text/javascript" src="lib/canvg/StackBlur.js"></script>
52 <script type="text/javascript" src="lib/canvg/canvg.js"></script>
53
54 <!-- spectrum for colour palette -->
55 <!-- For documentation see https://bgrins.github.io/spectrum -->
56 <script src='bgrins-spectrum/spectrum.js'></script>
57 <link rel='stylesheet' href='bgrins-spectrum/spectrum.css' />
58
59 <script src="../similarity-2d/js-lib/Colour.js"></script>
60 <script src="../similarity-2d/flag-processing.js"></script>
61
62 <style>
63 a[href^="http://"]:after,
64 a[href^="https://"]:after {
65 content: url(http://upload.wikimedia.org/wikipedia/commons/6/64/Icon_External_Link.png);
66 margin: 0 0 0 5px;
67 }
68 </style>
69
70 <script type="text/javascript">
71 // Flag settings - used to initialise the svg canvas to the user's preferences
72
73 var colourPotSwatch = [ "#00247d", "#cc142b", "#ffffff", "#29afaf", "#008000", "#800080", "#ffff15", "#ff6600" ]
74 var numColourPots = colourPotSwatch.length;
75
76
77 var flagCanvasSettings = { width: 800, height: 400,
78 backgroundColor: "#000066",
79 colourPots: colourPotSwatch.slice(0,3)
80 };
81 var isoCountryCode = null;
82
83
84
85// Variable for the currently selected flag ratio
86var currentRatio = null;
87
88var aspectRatios = null;
89var aspectMaxRatio = 0;
90
91function calcMaxRatio(aspect_ratio_data)
92{
93 // work out the maximum ratio
94 var max_ratio = 0;
95
96 $.each(aspect_ratio_data, function(key, ratio_table) {
97 var ratio_array = key.split(":");
98 var ratio_x = ratio_array[0];
99 var ratio_y = ratio_array[1];
100 var ratio = ratio_y / ratio_x;
101
102 if (ratio > max_ratio) {
103 max_ratio = ratio;
104 }
105 });
106
107 return max_ratio;
108}
109
110function calcCompleteWidth(aspect_ratio_data,scale)
111{
112 // work out the maximum ratio
113 var max_width = 0;
114
115 $.each(aspect_ratio_data, function(key, ratio_table) {
116 var ratio_array = key.split(":");
117 var ratio_x = ratio_array[0];
118 var ratio_y = ratio_array[1];
119 var ratio = ratio_y / ratio_x;
120
121 max_width += (scale*ratio);
122 });
123
124 return max_width;
125}
126
127
128function scaledDivsFitInPage(aspect_ratio_data, scale_to_height, num_of_rows_allowed, la_x_dim)
129{
130 var divs_fit = true;
131
132 var row = 1;
133 var total_row_width = 0;
134 var total_height = 0;
135
136 $.each(aspect_ratio_data, function(key, ratio_table) {
137 var ratio_array = key.split(":");
138 var ratio_x = ratio_array[0];
139 var ratio_y = ratio_array[1];
140 var ratio = ratio_y / ratio_x;
141
142 var scaled_div_width = scale_to_height*ratio;
143 if (total_row_width + scaled_div_width > la_x_dim) {
144 // this div doesn't fit on the current row
145 // => start a new row
146 total_row_width = scaled_div_width;
147 row++;
148
149 if (row>num_of_rows_allowed) {
150 // blow out!
151 divs_fit = false;
152 return false; // jquery.each equivalent to 'break'
153 }
154 }
155 else {
156 total_row_width += scaled_div_width;
157 row++;
158 }
159 });
160
161 return divs_fit;
162}
163
164
165function calcScaleToHeight(aspectRatios,la_x_dim,la_y_dim)
166{
167 // determine scale factor so divs max out (as in, filling in the page) based la_y_dim height,
168
169 var num_of_rows_allowed = 1;
170 var scale_to_height = la_y_dim; // optimized version of true calcuation, la_y_dim / num_of_rows_allowed;
171
172 //var div_width = complete_width_100 * (div_height/100)
173
174 var num_flag_bins = aspectRatios.length;
175
176 while (!scaledDivsFitInPage(aspectRatios,scale_to_height,num_of_rows_allowed,la_x_dim)) {
177
178 num_of_rows_allowed++;
179
180 if (num_of_rows_allowed>num_flag_bins) {
181 // needing more rows than there are flag bins is an indication that things
182 // just don't fit, and so will need to use a scroll bar.
183 // Exiting at this point will naturally achieve this
184 break;
185 }
186
187 scale_to_height = la_y_dim/num_of_rows_allowed;
188
189 // if get to here, then need
190
191 }
192
193 console.log("**** num_of_rows = " + num_of_rows_allowed + ", scale to height = " + scale_to_height);
194 return scale_to_height;
195}
196
197
198$(function() {
199 $.getJSON( "../similarity-2d/flag-aspect-ratios-json.jsp", function(data) {
200
201 aspectRatios = data;
202
203 //var scale_to_y_dim = 130;
204
205 // express scale_to_y_dim to use relative to height of window
206
207 var window_height = $(window).height();
208 var div_top = $('#aspect-ratio-div').offset().top + 20;
209
210 var la_y_dim = (div_top>0) ? window_height - div_top : window_height * 0.6;
211 var la_x_dim = $(window).width() * 0.7;
212
213 //var scale_to_y_dim = la_y_dim/4;
214
215 //console.log("*** scale to y dim = " + la_y_dim);
216
217 //alert("scale_to_y_dim = " + scale_to_y_dim);
218
219
220 aspectMaxRatio = calcMaxRatio(aspectRatios);
221 //var complete_width_100 = calcCompleteWidth(aspectRatios,100); // as if every aspect ratio bin is scaled to 100 pixels high
222
223
224 scale_to_y_dim = calcScaleToHeight(aspectRatios,la_x_dim,la_y_dim);
225
226
227 var items = [];
228
229
230 $.each(data, function(key, ratio_table) {
231 var freq = ratio_table.freq;
232 var ratio_array = key.split(":");
233 var ratio_x = ratio_array[0];
234 var ratio_y = ratio_array[1];
235 var ratio = ratio_y / ratio_x;
236
237 var ratioScale = aspectMaxRatio/ratio;
238
239 var x_dim = Math.round(scale_to_y_dim * ratioScale);
240 var y_dim = scale_to_y_dim;
241
242 var innertext = "<div style='font-size: 180%;'>"+freq + " countries, " + key + "</div>";
243
244 var flags = [];
245
246 var nz_prioritized_flags = ratio_table.flags.sort();
247
248 // Promote NZ flag to start of array, but otherwise keep sorted
249 var p = nz_prioritized_flags.length-1;
250 var found_nz = false;
251
252 while (p>0) {
253 var curr;
254 var curr_title;
255
256 if (!found_nz) {
257 curr = ratio_table.flags[p];
258 curr_title = curr.replace(/^.*\//,"").replace(/\.(.*?)$/,"");
259 }
260
261 if (curr_title == "nz") {
262 found_nz = true;
263
264 // swap with adjacent cell
265 var tmp_m1 = nz_prioritized_flags[p-1];
266 nz_prioritized_flags[p-1] = curr;
267 nz_prioritized_flags[p] = tmp_m1;
268 }
269 p--;
270 }
271
272 $.each(nz_prioritized_flags, function(index, flag_filename) {
273 var title = flag_filename.replace(/^.*\//,"").replace(/\.(.*?)$/,"");
274
275 flags.push("<img src='../similarity-2d/"+flag_filename+"' id='aspect-ratio-"+ title +"' style='height: 70px; padding: 3px; ' title='" + title.toUpperCase() + "'/>");
276 });
277
278 innertext += flags.join("");
279
280 var ratio_id = "ratio-" + key.replace(":","_");
281 if (found_nz) {
282 currentRatio = ratio_id;
283 }
284
285 var id = " id='" + ratio_id + "'";
286
287 var style = "style='width:" + x_dim + "px; height:" + y_dim + "px;";
288 if (found_nz) {
289 style += "border-color:white; border-width:4px;"
290 }
291
292 style += " overflow-y:scroll;";
293 style += "'";
294
295 var onclick = " onclick='updateCanvasDimensions("+ratio_y + "," + ratio_x + ")'";
296
297 items.push( "<div class='ratioDiv'" + id + style + onclick + ">"+ innertext + "</div>" );
298
299 });
300
301 $('#aspect-ratio-div').append("<div class='centredDiv' style='width: 100%'>"+items.join("\n")+"</div>");
302
303
304 // now change the flag tooltip labels into their country names
305 $.getJSON( "../similarity-2d/iso-3166-keyed-by-alpha-2-countrycodes.json", function(data) {
306 isoCountryCodes = data;
307
308 $.each( data, function( iso2_key, country_name ) {
309 var $img = $('#aspect-ratio-'+iso2_key.toLowerCase());
310 var title = $img.attr("title") + ": " + country_name;
311 $img.attr("title",title);
312 }
313 )
314 });
315
316 });
317});
318
319
320
321$(window).resize(function() {
322 console.log("choose-canvas resize()");
323
324 //console.log("*** aspect ratio div position top = " + $('#aspect-ratio-div').position().top);
325
326 var window_height = $(window).height();
327 var div_top = $('#aspect-ratio-div').offset().top + 20;
328
329 //var top = 0;
330
331 var la_y_dim = window_height - div_top;
332 var la_x_dim = $(window).width() * 0.7;
333
334 var scale_to_y_dim = calcScaleToHeight(aspectRatios,la_x_dim,la_y_dim);
335
336 // (top==0) ? la_y_dim/4 : la_y_dim/2.8;
337
338 //console.log("*** scale to y dim = " + la_y_dim);
339
340 $.each(aspectRatios, function(key, ratio_table) {
341 var freq = ratio_table.freq;
342 var ratio_array = key.split(":");
343 var ratio_x = ratio_array[0];
344 var ratio_y = ratio_array[1];
345 var ratio = ratio_y / ratio_x;
346
347 var ratioScale = aspectMaxRatio/ratio;
348
349 var x_dim = Math.round(scale_to_y_dim * ratioScale);
350 var y_dim = scale_to_y_dim;
351
352 var ratio_id = "ratio-" + key.replace(":","_");
353
354 //console.log("*** ratio_id = " + ratio_id + " xdim = " + x_dim + ", ydim = " + y_dim);
355
356 $('#'+ratio_id).css("width",x_dim + "px");
357 $('#'+ratio_id).css("height",y_dim + "px");
358
359
360 });
361});
362
363
364
365function updateCanvasDimensions(height, width) {
366
367 // Show feedback by highlighting the chosen square
368 document.getElementById(currentRatio).style.borderColor = 'black';
369 document.getElementById(currentRatio).style.borderWidth = '1px';
370 currentRatio = "ratio-" + width + "_" + height;
371 document.getElementById(currentRatio).style.borderColor = 'white';
372 document.getElementById(currentRatio).style.borderWidth = '4px';
373
374 // Changing the value of sizeConstant will change the
375 // size of the svg canvas without affecting the
376 // width/height ratios
377
378 var sizeConstant = 400;
379
380 var h = sizeConstant;
381 var w = (sizeConstant / height) * width;
382
383 if (typeof flagCanvasSettings !== 'undefined') {
384 flagCanvasSettings.width = w;
385 flagCanvasSettings.height = h;
386 }
387}
388
389
390
391 </script>
392
393 <title>Canvas Size</title>
394
395 </head>
396
397 <body>
398 <div data-role="page" id="choose-canvas-page"
399 class="demo-page"
400 data-dom-cache="true"
401 data-next="choose-palette">
402
403 <div data-role="content">
404
405 <div data-role="controlgroup" class="control" data-mini="true">
406 <a href="#" class="next right-button res-fwd" style="right:1%;"></a>
407<!--
408 <a href="#" class="prev left-button gen-back" style="left:1%;"></a>
409-->
410 </div>
411
412 <a target="_parent" href="../index.html" class="back-button back-left"></a>
413
414 <div class="story-page">
415
416 <!-- put custom content here -->
417 <span class="left story-icon idea" ></span>
418 <h2>Canvas Size</h2>
419
420 <div class="dialog" id="dialog" title="Flag Aspect Ratio Selection Panel" ><!-- width="800px" -->
421 <br><br>
422 <h2>Please choose from the following aspect ratios to select the width and height of your flag.</h2>
423 <style>
424 p { margin: 10px }
425 </style>
426 <p>
427 New Zealand's current aspect ration (2:1) is selected by default. Click on one of the other
428 boxes to choose a different size.
429 </p>
430 <p>
431 Once chosen, swipe the page or click/press on the right arrow to go onto the next step.
432 You can swipe/click back to this page at any time to change your selection.
433 </p>
434
435 <div id="aspect-ratio-div">
436 </div>
437
438
439<!--
440 <div class="centredDiv">
441 <div class="ratioDiv flagHover" id="ratio23" onclick="updateCanvasDimensions(2, 3)" title="2:3"></div>
442 <div class="ratioDiv" style="border-width:2px;" id="ratio12" onclick="updateCanvasDimensions(1, 2)" title="1:2"></div>
443 <div class="ratioDiv" id="ratio35" onclick="updateCanvasDimensions(3, 5)" title="3:5"></div>
444 <div style="clear: both"></div>
445 </div>
446 <p class="optionline">2:3 1:2 3:5</p><br>
447
448 <div class="centredDiv">
449 <div class="ratioDiv" id="ratio1019" onclick="updateCanvasDimensions(10, 19)" title="10:19"></div>
450 <div class="ratioDiv" id="ratio58" onclick="updateCanvasDimensions(5, 8)" title="5:8"></div>
451 <div class="ratioDiv" id="ratio811" onclick="updateCanvasDimensions(8, 11)" title="8:11"></div>
452 <div style="clear: both"></div>
453 </div>
454 <p class="optionline">10:19 5:8 8:11</p>
455-->
456 </div>
457
458 <!-- end of putting custom content -->
459
460 </div> <!-- end story-page-->
461
462 </div><!-- /content -->
463
464<!-- make persistent?
465 <div data-role="footer" style="width:100%;">
466 COSI: Centre of Open Source Innovation @ The University of Waikato.
467 </div>
468-->
469
470 </div><!-- /page -->
471
472 </body>
473</html>
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