Changeset 29740 for other-projects/nz-flag-design/trunk/main-form/choose-canvas.html

Timestamp:

2015-02-13T16:09:07+13:00 (9 years ago)

Author:

davidb

Message:

Development of the page for selecting flag w x h (canvas), and the page for controlling the palette colour.

File:

• other-projects/nz-flag-design/trunk/main-form/choose-canvas.html (modified) (3 diffs)

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

@@ -32 +32 @@
             <p>If you hover the mouse over a flag size, you will be able to see some countries that currently use that ratio!</p>
             <div class="centredDiv">
-                <div class="ratioDiv flagHover" id="ratio23" onclick="setRatio(2, 3)" title="2:3"></div>
-                <div class="ratioDiv flagHover" id="ratio12" onclick="setRatio(1, 2)" title="1:2"></div>
-                <div class="ratioDiv flagHover" id="ratio35" onclick="setRatio(3, 5)" title="3:5"></div>
+                <div class="ratioDiv flagHover" id="ratio23" onclick="updateCanvasDimentions(2, 3)" title="2:3"></div>
+                <div class="ratioDiv" id="ratio12" onclick="updateCanvasDimentions(1, 2)" title="1:2"></div>
+                <div class="ratioDiv" id="ratio35" onclick="updateCanvasDimentions(3, 5)" title="3:5"></div>
                 <div style="clear: both"></div>
             </div>
@@ -40 +40 @@
 
             <div class="centredDiv">
-                <div class="ratioDiv flagHover" id="ratio1019" onclick="setRatio(10, 19)" title="10:19"></div>
-                <div class="ratioDiv flagHover" id="ratio58" onclick="setRatio(5, 8)" title="5:8"></div>
-                <div class="ratioDiv flagHover" id="ratio811" onclick="setRatio(8, 11)" title="8:11"></div>
+                <div class="ratioDiv" id="ratio1019" onclick="updateCanvasDimentions(10, 19)" title="10:19"></div>
+                <div class="ratioDiv" id="ratio58" onclick="updateCanvasDimentions(5, 8)" title="5:8"></div>
+                <div class="ratioDiv" id="ratio811" onclick="updateCanvasDimentions(8, 11)" title="8:11"></div>
                 <div style="clear: both"></div>
             </div>            
@@ -49 +49 @@
         
         <script>
-            function setRatio(height, width) {
-                var constant = 100;
-                var h = constant;
-                var w = (constant / height) * width;
-                document.getElementById("svginfo_width").value = w;
-                document.getElementById("svginfo_height").value = h;
-                alert("Height: " + h + ", Width: " + w);
-            }            
+            // Variable for the currently selected flag ratio
+            var currentRatio = "ratio12";       
+            
+            function updateCanvasDimentions(height, width) {
+                // Show feedback by highlighting the chosen square
+                document.getElementById(currentRatio).style.borderColor = 'black';
+                currentRatio = "ratio" + height + width;
+                document.getElementById(currentRatio).style.borderColor = 'white';
+                
+                var design_frame = document.getElementById('design-2d-iframe');
+                var svgCanvas = design_frame.contentWindow.svgCanvas;
+                
+                // Changing the value of sizeConstant will change the size of the svg canvas without affecting the width/height ratios
+                var sizeConstant = 400;
+                
+                var h = sizeConstant;
+                var w = (sizeConstant / height) * width;                
+                
+                flagCanvasSettings.width = w;
+                flagCanvasSettings.height = h;
+                
+                // Set the new canvas size
+                svgCanvas.setResolution(w, h);
+            }
         </script>