2014-01-16 21:30:57 +01:00
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var wordArtPopup;
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2014-01-09 17:05:03 +01:00
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function initWordArt() {
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2014-01-16 23:28:58 +01:00
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$("body").append('<div id="svgfont" style="display:none"></div>');
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$("#svgfont").load("img/font.svg?");
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2014-01-16 21:30:57 +01:00
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wordArtPopup = new Popup($("#popupWordArt"),$("#popupMask"));
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2014-01-17 15:10:39 +01:00
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$("#btnWordArtOk").on("onButtonClick",wordArtPopup.commit);
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$("#btnWordArtCancel").on("onButtonClick",wordArtPopup.cancel);
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$("#popupWordArt").bind("onPopupCancel", onWordArtCancel);
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$("#popupWordArt").bind("onPopupCommit", onWordArtOk);
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2014-01-09 17:05:03 +01:00
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}
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function showWordArtDialog() {
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buttonGroupAdd.hide();
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2014-01-16 21:30:57 +01:00
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wordArtPopup.open();
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2014-01-10 17:21:43 +01:00
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$("#txtWordArt").focus();
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$("#txtWordArt").val(""); //clear textbox
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2014-01-09 17:05:03 +01:00
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}
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function onWordArtCancel() {
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2014-01-17 15:10:39 +01:00
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$("#txtWordArt").blur();
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2014-01-09 17:05:03 +01:00
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}
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function onWordArtOk() {
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2014-01-17 15:10:39 +01:00
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$("#txtWordArt").blur();
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var s = $("#txtWordArt").val();
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drawTextOnCanvas(s);
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2014-01-15 20:16:46 +01:00
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}
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function drawTextOnCanvas(text) {
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if (typeof(text) == 'string') {
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var points = getStringAsPoints(text);
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2014-01-09 17:05:03 +01:00
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2014-01-15 20:16:46 +01:00
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var bounds = getBounds(points);
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var scaleX = (canvasWidth-50) / bounds.width;
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var scaleY = (canvasHeight-50) / bounds.height;
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2014-01-09 17:05:03 +01:00
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2014-01-15 20:16:46 +01:00
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var scale = Math.min(scaleX,scaleY);
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2014-01-09 17:05:03 +01:00
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2014-01-15 20:16:46 +01:00
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scalePoints(points,scale);
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var bounds = getBounds(points);
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translatePoints(points,-bounds.x,-bounds.y); //left top of text is (0,0)
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translatePoints(points,-bounds.width/2,-bounds.height/2); //anchor point center
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translatePoints(points,canvasWidth/2,canvasHeight/2); //center in canvas
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2014-01-09 17:05:03 +01:00
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2014-01-15 20:16:46 +01:00
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canvasDrawPoints(canvas,points);
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}
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2014-01-09 17:05:03 +01:00
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}
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function getStringAsPoints(text) {
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var allPoints = [];
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var xPos = 0;
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for (var i=0; i<text.length; i++) {
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if (text[i]==" ") { //space
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xPos += 8;
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} else { //other characters
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var path = getPathFromChar(text[i]);
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var points = getPointsFromPath(path);
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if (points.length==0) continue;
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translatePoints(points,-points[0][0],0);
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var bounds = getBounds(points);
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translatePoints(points,-bounds.x,0);
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translatePoints(points,xPos,0);
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xPos+=bounds.width;
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xPos+=2;
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for (var j=0; j<points.length; j++) {
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allPoints.push(points[j]);
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}
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}
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}
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return allPoints;
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}
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function getPathFromChar(ch) {
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var index = ch.charCodeAt(0)-33;
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var element = $("#svgfont path")[index];
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if (element==undefined) return "";
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return $("#svgfont path")[index].attributes["d"].nodeValue;
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}
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function getPointsFromPath(path) {
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var points = [];
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var cmds = path.split(' ');
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var cursor = { x:0.0, y:0.0 };
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var move = false;
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2014-01-15 13:49:38 +01:00
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var prevCmd = "";
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2014-01-09 17:05:03 +01:00
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for (var i=0; i<cmds.length; i++) {
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2014-01-15 13:49:38 +01:00
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var cmd = cmds[i];
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var xy = cmd.split(",");
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if (cmd=='m') move = true;
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if (xy.length==2) { // if there are two parts (a comma) we asume it's a l command. (So L is not supported)
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cursor.x += parseFloat(xy[0]);
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cursor.y += parseFloat(xy[1]);
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points.push([cursor.x,cursor.y,move]);
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move = false;
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} else if (prevCmd == "h"){
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cursor.x += parseFloat(cmd);
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points.push([cursor.x,cursor.y,move]);
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} else if (prevCmd == "v"){
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cursor.y += parseFloat(cmd);
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points.push([cursor.x,cursor.y,move]);
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} else if (prevCmd == "H"){
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cursor.x = parseFloat(cmd);
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points.push([cursor.x,cursor.y,move]);
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} else if (prevCmd == "V"){
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cursor.y = parseFloat(cmd);
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points.push([cursor.x,cursor.y,move]);
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}
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prevCmd = cmd;
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2014-01-09 17:05:03 +01:00
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}
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return points;
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}
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function canvasDrawPoints(canvas,points) {
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beginShape();
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for (var i=0; i<points.length; i++) {
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var p = points[i];
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if (points[i][2]) shapeMoveTo(p[0],p[1]);
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else shapeLineTo(p[0],p[1]);
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}
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endShape();
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}
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