root/other-projects/nz-flag-design/trunk/main-form/choose-canvas.html @ 29808

Revision 29808, 14.5 KB (checked in by davidb, 5 years ago)

Further rewording

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