-
- VCanvas_vml = createClass(VCanvas_base, {
- init: function (width, height, target) {
- var groupel;
- VCanvas_vml._super.init.call(this, width, height, target);
- if (target[0]) {
- target = target[0];
- }
- $.data(target, '_jqs_vcanvas', this);
- this.canvas = document.createElement('span');
- $(this.canvas).css({ display: 'inline-block', position: 'relative', overflow: 'hidden', width: width, height: height, margin: '0px', padding: '0px', verticalAlign: 'top'});
- this._insert(this.canvas, target);
- this._calculatePixelDims(width, height, this.canvas);
- this.canvas.width = this.pixelWidth;
- this.canvas.height = this.pixelHeight;
- groupel = '<v:group coordorigin="0 0" coordsize="' + this.pixelWidth + ' ' + this.pixelHeight + '"' +
- ' style="position:absolute;top:0;left:0;width:' + this.pixelWidth + 'px;height=' + this.pixelHeight + 'px;"></v:group>';
- this.canvas.insertAdjacentHTML('beforeEnd', groupel);
- this.group = $(this.canvas).children()[0];
- this.rendered = false;
- this.prerender = '';
- },
-
- _drawShape: function (shapeid, path, lineColor, fillColor, lineWidth) {
- var vpath = [],
- initial, stroke, fill, closed, vel, plen, i;
- for (i = 0, plen = path.length; i < plen; i++) {
- vpath[i] = '' + (path[i][0]) + ',' + (path[i][1]);
- }
- initial = vpath.splice(0, 1);
- lineWidth = lineWidth === undefined ? 1 : lineWidth;
- stroke = lineColor === undefined ? ' stroked="false" ' : ' strokeWeight="' + lineWidth + 'px" strokeColor="' + lineColor + '" ';
- fill = fillColor === undefined ? ' filled="false"' : ' fillColor="' + fillColor + '" filled="true" ';
- closed = vpath[0] === vpath[vpath.length - 1] ? 'x ' : '';
- vel = '<v:shape coordorigin="0 0" coordsize="' + this.pixelWidth + ' ' + this.pixelHeight + '" ' +
- ' id="jqsshape' + shapeid + '" ' +
- stroke +
- fill +
- ' style="position:absolute;left:0px;top:0px;height:' + this.pixelHeight + 'px;width:' + this.pixelWidth + 'px;padding:0px;margin:0px;" ' +
- ' path="m ' + initial + ' l ' + vpath.join(', ') + ' ' + closed + 'e">' +
- ' </v:shape>';
- return vel;
- },
-
- _drawCircle: function (shapeid, x, y, radius, lineColor, fillColor, lineWidth) {
- var stroke, fill, vel;
- x -= radius;
- y -= radius;
- stroke = lineColor === undefined ? ' stroked="false" ' : ' strokeWeight="' + lineWidth + 'px" strokeColor="' + lineColor + '" ';
- fill = fillColor === undefined ? ' filled="false"' : ' fillColor="' + fillColor + '" filled="true" ';
- vel = '<v:oval ' +
- ' id="jqsshape' + shapeid + '" ' +
- stroke +
- fill +
- ' style="position:absolute;top:' + y + 'px; left:' + x + 'px; width:' + (radius * 2) + 'px; height:' + (radius * 2) + 'px"></v:oval>';
- return vel;
-
- },
-
- _drawPieSlice: function (shapeid, x, y, radius, startAngle, endAngle, lineColor, fillColor) {
- var vpath, startx, starty, endx, endy, stroke, fill, vel;
- if (startAngle === endAngle) {
- return ''; // VML seems to have problem when start angle equals end angle.
- }
- if ((endAngle - startAngle) === (2 * Math.PI)) {
- startAngle = 0.0; // VML seems to have a problem when drawing a full circle that doesn't start 0
- endAngle = (2 * Math.PI);
- }
-
- startx = x + Math.round(Math.cos(startAngle) * radius);
- starty = y + Math.round(Math.sin(startAngle) * radius);
- endx = x + Math.round(Math.cos(endAngle) * radius);
- endy = y + Math.round(Math.sin(endAngle) * radius);
-
- if (startx === endx && starty === endy) {
- if ((endAngle - startAngle) < Math.PI) {
- // Prevent very small slices from being mistaken as a whole pie
- return '';
- }
- // essentially going to be the entire circle, so ignore startAngle
- startx = endx = x + radius;
- starty = endy = y;
- }
-
- if (startx === endx && starty === endy && (endAngle - startAngle) < Math.PI) {
- return '';
- }
-
- vpath = [x - radius, y - radius, x + radius, y + radius, startx, starty, endx, endy];
- stroke = lineColor === undefined ? ' stroked="false" ' : ' strokeWeight="1px" strokeColor="' + lineColor + '" ';
- fill = fillColor === undefined ? ' filled="false"' : ' fillColor="' + fillColor + '" filled="true" ';
- vel = '<v:shape coordorigin="0 0" coordsize="' + this.pixelWidth + ' ' + this.pixelHeight + '" ' +
- ' id="jqsshape' + shapeid + '" ' +
- stroke +
- fill +
- ' style="position:absolute;left:0px;top:0px;height:' + this.pixelHeight + 'px;width:' + this.pixelWidth + 'px;padding:0px;margin:0px;" ' +
- ' path="m ' + x + ',' + y + ' wa ' + vpath.join(', ') + ' x e">' +
- ' </v:shape>';
- return vel;
- },
-
- _drawRect: function (shapeid, x, y, width, height, lineColor, fillColor) {
- return this._drawShape(shapeid, [[x, y], [x, y + height], [x + width, y + height], [x + width, y], [x, y]], lineColor, fillColor);
- },
-
- reset: function () {
- this.group.innerHTML = '';
- },
-
- appendShape: function (shape) {
- var vel = this['_draw' + shape.type].apply(this, shape.args);
- if (this.rendered) {
- this.group.insertAdjacentHTML('beforeEnd', vel);
- } else {
- this.prerender += vel;
- }
- this.lastShapeId = shape.id;
- return shape.id;
- },
-
- replaceWithShape: function (shapeid, shape) {
- var existing = $('#jqsshape' + shapeid),
- vel = this['_draw' + shape.type].apply(this, shape.args);
- existing[0].outerHTML = vel;
- },
-
- replaceWithShapes: function (shapeids, shapes) {
- // replace the first shapeid with all the new shapes then toast the remaining old shapes
- var existing = $('#jqsshape' + shapeids[0]),
- replace = '',
- slen = shapes.length,
- i;
- for (i = 0; i < slen; i++) {
- replace += this['_draw' + shapes[i].type].apply(this, shapes[i].args);
- }
- existing[0].outerHTML = replace;
- for (i = 1; i < shapeids.length; i++) {
- $('#jqsshape' + shapeids[i]).remove();
- }
- },
-
- insertAfterShape: function (shapeid, shape) {
- var existing = $('#jqsshape' + shapeid),
- vel = this['_draw' + shape.type].apply(this, shape.args);
- existing[0].insertAdjacentHTML('afterEnd', vel);
- },
-
- removeShapeId: function (shapeid) {
- var existing = $('#jqsshape' + shapeid);
- this.group.removeChild(existing[0]);
- },
-
- getShapeAt: function (el, x, y) {
- var shapeid = el.id.substr(8);
- return shapeid;
- },
-
- render: function () {
- if (!this.rendered) {
- // batch the intial render into a single repaint
- this.group.innerHTML = this.prerender;
- this.rendered = true;
- }
- }
- });
-
projects / remoteglot / blobdiff