source: other-projects/nz-flag-design/trunk/main-form/choose-canvas.html@ 29811

Last change on this file since 29811 was 29811, checked in by davidb, 9 years ago

Additional coding so the colour palette choices now feed through to the svg-editor

  • Property svn:executable set to *
File size: 14.8 KB
Line 
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 <link rel="stylesheet" href="lib-slider/css/jqm-demos.css"/>
23 <link rel="stylesheet" href="lib-slider/css/swipe-page.css"/>
24 <link rel="shortcut icon" href="lib-slider/nzflag-icon64-padded.png"/>
25
26 <!-- jQuery -->
27 <script src="lib/jquery-1.11.1.min.js"></script>
28 <script src="lib/jquery.cookie.js"></script>
29
30 <!-- page swipe -->
31 <script src="lib-slider/js/jquery.mobile.demos.js"></script>
32 <script src="lib-slider/js/jquery.mobile-1.3.0.js"></script>
33 <script src="lib-slider/js/swipe-page.js"></script>
34
35 <!-- accordion bars -->
36 <link href="css/liteaccordion.css" rel="stylesheet" />
37 <script src="js/jquery.easing.1.3.js"></script>
38 <script src="js/liteaccordion-with-resize.jquery.js"></script>
39
40 <!-- canvg library -->
41 <script type="text/javascript" src="lib/canvg/rgbcolor.js"></script>
42 <script type="text/javascript" src="lib/canvg/StackBlur.js"></script>
43 <script type="text/javascript" src="lib/canvg/canvg.js"></script>
44
45 <!-- spectrum for colour palette -->
46 <!-- For documentation see https://bgrins.github.io/spectrum -->
47 <script src='bgrins-spectrum/spectrum.js'></script>
48 <link rel='stylesheet' href='bgrins-spectrum/spectrum.css' />
49
50 <script src="../similarity-2d/js-lib/Colour.js"></script>
51 <script src="../similarity-2d/flag-processing.js"></script>
52
53 <scriptXXX src="choose-canvas.js" />
54
55 <script type="text/javascript">
56 // Flag settings - used to initialise the svg canvas to the user's preferences
57
58 var colourPotSwatch = [ "#00247d", "#cc142b", "#ffffff", "#29afaf", "#008000", "#800080", "#ffff15", "#ff6600" ]
59 var numColourPots = colourPotSwatch.length;
60
61
62 var flagCanvasSettings = { width: 800, height: 400,
63 backgroundColor: "#000066",
64 colourPots: colourPotSwatch.slice(0,3)
65 };
66
67
68// Variable for the currently selected flag ratio
69var currentRatio = null;
70
71var aspectRatios = null;
72var aspectMaxRatio = 0;
73
74function calcMaxRatio(aspect_ratio_data)
75{
76 // work out the maximum ratio
77 var max_ratio = 0;
78
79 $.each(aspect_ratio_data, function(key, ratio_table) {
80 var ratio_array = key.split(":");
81 var ratio_x = ratio_array[0];
82 var ratio_y = ratio_array[1];
83 var ratio = ratio_y / ratio_x;
84
85 if (ratio > max_ratio) {
86 max_ratio = ratio;
87 }
88 });
89
90 return max_ratio;
91}
92
93function calcCompleteWidth(aspect_ratio_data,scale)
94{
95 // work out the maximum ratio
96 var max_width = 0;
97
98 $.each(aspect_ratio_data, function(key, ratio_table) {
99 var ratio_array = key.split(":");
100 var ratio_x = ratio_array[0];
101 var ratio_y = ratio_array[1];
102 var ratio = ratio_y / ratio_x;
103
104 max_width += (scale*ratio);
105 });
106
107 return max_width;
108}
109
110
111function scaledDivsFitInPage(aspect_ratio_data, scale_to_height, num_of_rows_allowed, la_x_dim)
112{
113 var divs_fit = true;
114
115 var row = 1;
116 var total_row_width = 0;
117 var total_height = 0;
118
119 $.each(aspect_ratio_data, function(key, ratio_table) {
120 var ratio_array = key.split(":");
121 var ratio_x = ratio_array[0];
122 var ratio_y = ratio_array[1];
123 var ratio = ratio_y / ratio_x;
124
125 var scaled_div_width = scale_to_height*ratio;
126 if (total_row_width + scaled_div_width > la_x_dim) {
127 // this div doesn't fit on the current row
128 // => start a new row
129 total_row_width = scaled_div_width;
130 row++;
131
132 if (row>num_of_rows_allowed) {
133 // blow out!
134 divs_fit = false;
135 return false; // jquery.each equivalent to 'break'
136 }
137 }
138 else {
139 total_row_width += scaled_div_width;
140 row++;
141 }
142 });
143
144 return divs_fit;
145}
146
147
148function calcScaleToHeight(aspectRatios,la_x_dim,la_y_dim)
149{
150 // determine scale factor so divs max out (as in, filling in the page) based la_y_dim height,
151
152 var num_of_rows_allowed = 1;
153 var scale_to_height = la_y_dim; // optimized version of true calcuation, la_y_dim / num_of_rows_allowed;
154
155 //var div_width = complete_width_100 * (div_height/100)
156
157 var num_flag_bins = aspectRatios.length;
158
159 while (!scaledDivsFitInPage(aspectRatios,scale_to_height,num_of_rows_allowed,la_x_dim)) {
160
161 num_of_rows_allowed++;
162
163 if (num_of_rows_allowed>num_flag_bins) {
164 // needing more rows than there are flag bins is an indication that things
165 // just don't fit, and so will need to use a scroll bar.
166 // Exiting at this point will naturally achieve this
167 break;
168 }
169
170 scale_to_height = la_y_dim/num_of_rows_allowed;
171
172 // if get to here, then need
173
174 }
175
176 console.log("**** num_of_rows = " + num_of_rows_allowed + ", scale to height = " + scale_to_height);
177 return scale_to_height;
178}
179
180
181$(function() {
182 $.getJSON( "../similarity-2d/flag-aspect-ratios-json.jsp", function(data) {
183
184 aspectRatios = data;
185
186 //var scale_to_y_dim = 130;
187
188 // express scale_to_y_dim to use relative to height of window
189
190 var window_height = $(window).height();
191 var div_top = $('#aspect-ratio-div').offset().top + 20;
192
193 var la_y_dim = (div_top>0) ? window_height - div_top : window_height * 0.6;
194 var la_x_dim = $(window).width() * 0.7;
195
196 //var scale_to_y_dim = la_y_dim/4;
197
198 //console.log("*** scale to y dim = " + la_y_dim);
199
200 //alert("scale_to_y_dim = " + scale_to_y_dim);
201
202
203 aspectMaxRatio = calcMaxRatio(aspectRatios);
204 //var complete_width_100 = calcCompleteWidth(aspectRatios,100); // as if every aspect ratio bin is scaled to 100 pixels high
205
206
207 scale_to_y_dim = calcScaleToHeight(aspectRatios,la_x_dim,la_y_dim);
208
209
210 var items = [];
211
212
213 $.each(data, function(key, ratio_table) {
214 var freq = ratio_table.freq;
215 var ratio_array = key.split(":");
216 var ratio_x = ratio_array[0];
217 var ratio_y = ratio_array[1];
218 var ratio = ratio_y / ratio_x;
219
220 var ratioScale = aspectMaxRatio/ratio;
221
222 var x_dim = Math.round(scale_to_y_dim * ratioScale);
223 var y_dim = scale_to_y_dim;
224
225 var innertext = "<div style='font-size: 180%;'>"+freq + " countries, " + key + "</div>";
226
227 var flags = [];
228
229 var nz_prioritized_flags = ratio_table.flags.sort();
230
231 // Promote NZ flag to start of array, but otherwise keep sorted
232 var p = nz_prioritized_flags.length-1;
233 var found_nz = false;
234
235 while (p>0) {
236 var curr;
237 var curr_title;
238
239 if (!found_nz) {
240 curr = ratio_table.flags[p];
241 curr_title = curr.replace(/^.*\//,"").replace(/\.(.*?)$/,"");
242 }
243
244 if (curr_title == "nz") {
245 found_nz = true;
246
247 // swap with adjacent cell
248 var tmp_m1 = nz_prioritized_flags[p-1];
249 nz_prioritized_flags[p-1] = curr;
250 nz_prioritized_flags[p] = tmp_m1;
251 }
252 p--;
253 }
254
255 $.each(nz_prioritized_flags, function(index, flag_filename) {
256 var title = flag_filename.replace(/^.*\//,"").replace(/\.(.*?)$/,"");
257
258 flags.push("<img src='../similarity-2d/"+flag_filename+"' id='aspect-ratio-"+ title +"' style='height: 70px; padding: 3px; ' title='" + title.toUpperCase() + "'/>");
259 });
260
261 innertext += flags.join("");
262
263 var ratio_id = "ratio-" + key.replace(":","_");
264 if (found_nz) {
265 currentRatio = ratio_id;
266 }
267
268 var id = " id='" + ratio_id + "'";
269
270 var style = "style='width:" + x_dim + "px; height:" + y_dim + "px;";
271 if (found_nz) {
272 style += "border-color:white; border-width:4px;"
273 }
274
275 style += " overflow-y:scroll;";
276 style += "'";
277
278 var onclick = " onclick='updateCanvasDimensions("+ratio_y + "," + ratio_x + ")'";
279
280 items.push( "<div class='ratioDiv'" + id + style + onclick + ">"+ innertext + "</div>" );
281
282 });
283
284 $('#aspect-ratio-div').append("<div class='centredDiv' style='width: 100%'>"+items.join("\n")+"</div>");
285
286
287 // now change the flag tooltip labels into their country names
288 $.getJSON( "../similarity-2d/iso-3166-keyed-by-alpha-2-countrycodes.json", function(data) {
289
290 $.each( data, function( iso2_key, country_name ) {
291 var $img = $('#aspect-ratio-'+iso2_key.toLowerCase());
292 var title = $img.attr("title") + ": " + country_name;
293 $img.attr("title",title);
294 }
295 )
296 });
297
298 });
299});
300
301
302
303$(window).resize(function() {
304 console.log("choose-canvas resize()");
305
306 //console.log("*** aspect ratio div position top = " + $('#aspect-ratio-div').position().top);
307
308 var window_height = $(window).height();
309 var div_top = $('#aspect-ratio-div').offset().top + 20;
310
311 //var top = 0;
312
313 var la_y_dim = window_height - div_top;
314 var la_x_dim = $(window).width() * 0.7;
315
316 var scale_to_y_dim = calcScaleToHeight(aspectRatios,la_x_dim,la_y_dim);
317
318 // (top==0) ? la_y_dim/4 : la_y_dim/2.8;
319
320 //console.log("*** scale to y dim = " + la_y_dim);
321
322 $.each(aspectRatios, function(key, ratio_table) {
323 var freq = ratio_table.freq;
324 var ratio_array = key.split(":");
325 var ratio_x = ratio_array[0];
326 var ratio_y = ratio_array[1];
327 var ratio = ratio_y / ratio_x;
328
329 var ratioScale = aspectMaxRatio/ratio;
330
331 var x_dim = Math.round(scale_to_y_dim * ratioScale);
332 var y_dim = scale_to_y_dim;
333
334 var ratio_id = "ratio-" + key.replace(":","_");
335
336 //console.log("*** ratio_id = " + ratio_id + " xdim = " + x_dim + ", ydim = " + y_dim);
337
338 $('#'+ratio_id).css("width",x_dim + "px");
339 $('#'+ratio_id).css("height",y_dim + "px");
340
341
342 });
343});
344
345
346
347function updateCanvasDimensions(height, width) {
348
349 // Show feedback by highlighting the chosen square
350 document.getElementById(currentRatio).style.borderColor = 'black';
351 document.getElementById(currentRatio).style.borderWidth = '1px';
352 currentRatio = "ratio-" + width + "_" + height;
353 document.getElementById(currentRatio).style.borderColor = 'white';
354 document.getElementById(currentRatio).style.borderWidth = '4px';
355
356 // Changing the value of sizeConstant will change the
357 // size of the svg canvas without affecting the
358 // width/height ratios
359
360 var sizeConstant = 400;
361
362 var h = sizeConstant;
363 var w = (sizeConstant / height) * width;
364
365 if (typeof flagCanvasSettings !== 'undefined') {
366 flagCanvasSettings.width = w;
367 flagCanvasSettings.height = h;
368 }
369}
370
371
372
373 </script>
374
375 <title>Canvas Size</title>
376
377 </head>
378
379 <body>
380 <div data-role="page" id="choose-canvas-page"
381 class="demo-page"
382 data-dom-cache="true"
383 data-next="choose-palette">
384
385 <div data-role="content">
386
387 <div data-role="controlgroup" class="control" data-mini="true">
388 <a href="#" class="next right-button res-fwd" style="right:1%;"></a>
389<!--
390 <a href="#" class="prev left-button gen-back" style="left:1%;"></a>
391-->
392 </div>
393
394 <a target="_parent" href="../index.html" class="back-button back-left"></a>
395
396 <div class="story-page">
397
398 <!-- put custom content here -->
399 <span class="left story-icon idea" ></span>
400 <h2>Canvas Size</h2>
401
402 <div class="dialog" id="dialog" title="Flat Aspect Ratio Selection Panel" widthXX="800px">
403 <br><br>
404 <h2>Please choose from the following aspect ratios to select the width and height of your flag.</h2>
405 <style>
406 p { margin: 10px }
407 </style>
408 <p>
409 New Zealand's current aspect ration (2:1) is selected by default. Click on one of the other
410 boxes to choose a different size.
411 </p>
412 <p>
413 Once chosen, swipe the page or click/press on the right arrow to go onto the next step.
414 You can swipe/click back to this page at any time to change your selection.
415 </p>
416
417 <div id="aspect-ratio-div">
418 </div>
419
420
421<!--
422 <div class="centredDiv">
423 <div class="ratioDiv flagHover" id="ratio23" onclick="updateCanvasDimensions(2, 3)" title="2:3"></div>
424 <div class="ratioDiv" style="border-width:2px;" id="ratio12" onclick="updateCanvasDimensions(1, 2)" title="1:2"></div>
425 <div class="ratioDiv" id="ratio35" onclick="updateCanvasDimensions(3, 5)" title="3:5"></div>
426 <div style="clear: both"></div>
427 </div>
428 <p class="optionline">2:3 1:2 3:5</p><br>
429
430 <div class="centredDiv">
431 <div class="ratioDiv" id="ratio1019" onclick="updateCanvasDimensions(10, 19)" title="10:19"></div>
432 <div class="ratioDiv" id="ratio58" onclick="updateCanvasDimensions(5, 8)" title="5:8"></div>
433 <div class="ratioDiv" id="ratio811" onclick="updateCanvasDimensions(8, 11)" title="8:11"></div>
434 <div style="clear: both"></div>
435 </div>
436 <p class="optionline">10:19 5:8 8:11</p>
437-->
438 </div>
439
440 <!-- end of putting custom content -->
441
442 </div> <!-- end story-page-->
443
444 </div><!-- /content -->
445
446<!-- make persistent?
447 <div data-role="footer" style="width:100%;">
448 COSI: Centre of Open Source Innovation @ The University of Waikato.
449 </div>
450-->
451
452 </div><!-- /page -->
453
454 </body>
455</html>
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