Draft of device images

1 files changed, 74 insertions, 0 deletions

diff --git a/web/app/DeviceImages.js b/web/app/DeviceImages.js
new file mode 100644
index 0000000..ade88bd
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+++ b/web/app/DeviceImages.js
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+Ext.define('Traccar.DeviceImages', {
+    singleton: true,
+    
+    getImageIcon: function(color, zoom, angle, category) {
+        var image, device, svg, width, height, rotateTransform, scaleTransform, transform;
+        // Get right image or fallback to default arrow
+        if (category) {
+            device = Ext.getStore('DeviceImages').findRecord('key', category);
+        }
+        if (device === undefined || device === null) {
+            device = Ext.getStore('DeviceImages').findRecord('key', 'default');
+        }
+
+        // Duplicate svg object to not brake origin
+        svg = Ext.clone(device.get('svg'));
+
+        // Get original dimensions
+        width = parseFloat(svg.documentElement.getAttribute('width'));
+        height = parseFloat(svg.documentElement.getAttribute('height'));
+        // Colorize
+        svg.getElementById(device.get('fillId')).style.fill = color;
+        // Prepare rotate transformation
+        rotateTransform = 'rotate(' + angle + ' ' + (width / 2) + ' ' + (height / 2) + ')';
+
+        // Adjust size and prepare scale transformation
+        width *= device.get('scale');
+        height *= device.get('scale');
+        if (zoom) {
+            width *= Traccar.Style.mapScaleSelected;
+            height *= Traccar.Style.mapScaleSelected;
+            scaleTransform = 'scale(' + device.get('scale') * Traccar.Style.mapScaleSelected + ') ';
+        } else {
+            scaleTransform = 'scale(' + device.get('scale') + ') ';
+        }
+
+        //Apply both transformation in right order
+        transform = scaleTransform + ' ' + rotateTransform;
+        svg.getElementById(device.get('rotateId')).setAttribute('transform', transform);
+
+        // Set dimension attributes
+        svg.documentElement.setAttribute('width', width);
+        svg.documentElement.setAttribute('height', height);
+        svg.documentElement.setAttribute('viewBox', '0 0 ' + width + ' ' + height);
+   
+        image =  new ol.style.Icon({
+            imgSize: [width, height], // Workaround for IE
+            src: 'data:image/svg+xml;charset=utf-8,' + encodeURIComponent((new XMLSerializer()).serializeToString(svg.documentElement))
+        });
+        image.fill = color;
+        image.zoom = zoom;
+        image.angle = angle;
+        image.category = category;
+        
+        return image;
+    }        
+});
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