Fix Issue 27: Allow resizing of all elements except text, properly compute new sizes, shuffled some code around
git-svn-id: http://svg-edit.googlecode.com/svn/trunk@173 eee81c28-f429-11dd-99c0-75d572ba1dddmaster
Jeff Schiller
parent
33e611ed89
commit
6ac2227fae
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@ -1,3 +1,9 @@
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if(!window.console) {
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window.console = new function() {
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this.log = function(str) {};
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this.dir = function(str) {};
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};
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}
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var palette = ["#000000","#202020","#404040","#606060","#808080","#a0a0a0","#c0c0c0","#e0e0e0","#ffffff","#800000","#ff0000","#808000","#ffff00","#008000","#00ff00","#008080","#00ffff","#000080","#0000ff","#800080","#ff00ff","#2b0000","#550000","#800000","#aa0000","#d40000","#ff0000","#ff2a2a","#ff5555","#ff8080","#ffaaaa","#ffd5d5","#280b0b","#501616","#782121","#a02c2c","#c83737","#d35f5f","#de8787","#e9afaf","#f4d7d7","#241c1c","#483737","#6c5353","#916f6f","#ac9393","#c8b7b7","#e3dbdb","#2b1100","#552200","#803300","#aa4400","#d45500","#ff6600","#ff7f2a","#ff9955","#ffb380","#ffccaa","#ffe6d5","#28170b","#502d16","#784421","#a05a2c","#c87137","#d38d5f","#deaa87","#e9c6af","#f4e3d7","#241f1c","#483e37","#6c5d53","#917c6f","#ac9d93","#c8beb7","#e3dedb","#2b2200","#554400","#806600","#aa8800","#d4aa00","#ffcc00","#ffd42a","#ffdd55","#ffe680","#ffeeaa","#fff6d5","#28220b","#504416","#786721","#a0892c","#c8ab37","#d3bc5f","#decd87","#e9ddaf","#f4eed7","#24221c","#484537","#6c6753","#918a6f","#aca793","#c8c4b7","#e3e2db","#222b00","#445500","#668000","#88aa00","#aad400","#ccff00","#d4ff2a","#ddff55","#e5ff80","#eeffaa","#f6ffd5","#22280b","#445016","#677821","#89a02c","#abc837","#bcd35f","#cdde87","#dde9af","#eef4d7","#22241c","#454837","#676c53","#8a916f","#a7ac93","#c4c8b7","#e2e3db","#112b00","#225500","#338000","#44aa00","#55d400","#66ff00","#7fff2a","#99ff55","#b3ff80","#ccffaa","#e5ffd5","#17280b","#2d5016","#447821","#5aa02c","#71c837","#8dd35f","#aade87","#c6e9af","#e3f4d7","#1f241c","#3e4837","#5d6c53","#7c916f","#9dac93","#bec8b7","#dee3db","#002b00","#005500","#008000","#00aa00","#00d400","#00ff00","#2aff2a","#55ff55","#80ff80","#aaffaa","#d5ffd5","#0b280b","#165016","#217821","#2ca02c","#37c837","#5fd35f","#87de87","#afe9af","#d7f4d7","#1c241c","#374837","#536c53","#6f916f","#93ac93","#b7c8b7","#dbe3db","#002b11","#005522","#008033","#00aa44","#00d455","#00ff66","#2aff80","#55ff99","#80ffb3","#aaffcc","#d5ffe6","#0b2817","#16502d","#217844","#2ca05a","#37c871","#5fd38d","#87deaa","#afe9c6","#d7f4e3","#1c241f","#37483e","#536c5d","#6f917c","#93ac9d","#b7c8be","#dbe3de","#002b22","#005544","#008066","#00aa88","#00d4aa","#00ffcc","#2affd5","#55ffdd","#80ffe6","#aaffee","#d5fff6","#0b2822","#165044","#217867","#2ca089","#37c8ab","#5fd3bc","#87decd","#afe9dd","#d7f4ee","#1c2422","#374845","#536c67","#6f918a","#93aca7","#b7c8c4","#dbe3e2","#00222b","#004455","#006680","#0088aa","#00aad4","#00ccff","#2ad4ff","#55ddff","#80e5ff","#aaeeff","#d5f6ff","#0b2228","#164450","#216778","#2c89a0","#37abc8","#5fbcd3","#87cdde","#afdde9","#d7eef4","#1c2224","#374548","#53676c","#6f8a91","#93a7ac","#b7c4c8","#dbe2e3","#00112b","#002255","#003380","#0044aa","#0055d4","#0066ff","#2a7fff","#5599ff","#80b3ff","#aaccff","#d5e5ff","#0b1728","#162d50","#214478","#2c5aa0","#3771c8","#5f8dd3","#87aade","#afc6e9","#d7e3f4","#1c1f24","#373e48","#535d6c","#6f7c91","#939dac","#b7bec8","#dbdee3","#00002b","#000055","#000080","#0000aa","#0000d4","#0000ff","#2a2aff","#5555ff","#8080ff","#aaaaff","#d5d5ff","#0b0b28","#161650","#212178","#2c2ca0","#3737c8","#5f5fd3","#8787de","#afafe9","#d7d7f4","#1c1c24","#373748","#53536c","#6f6f91","#9393ac","#b7b7c8","#dbdbe3","#11002b","#220055","#330080","#4400aa","#5500d4","#6600ff","#7f2aff","#9955ff","#b380ff","#ccaaff","#e5d5ff","#170b28","#2d1650","#442178","#5a2ca0","#7137c8","#8d5fd3","#aa87de","#c6afe9","#e3d7f4","#1f1c24","#3e3748","#5d536c","#7c6f91","#9d93ac","#beb7c8","#dedbe3","#22002b","#440055","#660080","#8800aa","#aa00d4","#cc00ff","#d42aff","#dd55ff","#e580ff","#eeaaff","#f6d5ff","#220b28","#441650","#672178","#892ca0","#ab37c8","#bc5fd3","#cd87de","#ddafe9","#eed7f4","#221c24","#453748","#67536c","#8a6f91","#a793ac","#c4b7c8","#e2dbe3","#2b0022","#550044","#800066","#aa0088","#d400aa","#ff00cc","#ff2ad4","#ff55dd","#ff80e5","#ffaaee","#ffd5f6","#280b22","#501644","#782167","#a02c89","#c837ab","#d35fbc","#de87cd","#e9afdd","#f4d7ee","#241c22","#483745","#6c5367","#916f8a","#ac93a7","#c8b7c4","#e3dbe2","#2b0011","#550022","#800033","#aa0044","#d40055","#ff0066","#ff2a7f","#ff5599","#ff80b2","#ffaacc","#ffd5e5","#280b17","#50162d","#782144","#a02c5a","#c83771","#d35f8d","#de87aa","#e9afc6","#f4d7e3","#241c1f","#48373e","#6c535d","#916f7c","#ac939d","#c8b7be","#e3dbde"]
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function svg_edit_setup() {
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@ -1,5 +1,12 @@
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var svgcanvas = null;
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if(!window.console) {
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window.console = new function() {
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this.log = function(str) {};
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this.dir = function(str) {};
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};
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}
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function SvgCanvas(c)
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{
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@ -23,6 +30,7 @@ function SvgCanvas(c)
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var start_x = null;
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var start_y = null;
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var current_mode = "path";
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var current_resize_mode = "none";
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var current_fill = "none";
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var current_stroke = "black";
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var current_stroke_width = 1;
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@ -38,6 +46,7 @@ function SvgCanvas(c)
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var freehand_max_y = null;
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var selected = null;
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var selectedOutline = null;
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var selectedBBox = null;
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var selectedGrips = { "nw":null,
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"n":null,
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"ne":null,
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@ -130,6 +139,120 @@ function SvgCanvas(c)
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return out;
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} // end svgToString()
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function recalculateSelectedDimensions() {
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var box = selected.getBBox();
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// normalize selectedBBox
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if (selectedBBox.width < 0) {
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selectedBBox.x += selectedBBox.width;
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selectedBBox.width = -selectedBBox.width;
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}
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if (selectedBBox.height < 0) {
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selectedBBox.y += selectedBBox.height;
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selectedBBox.height = -selectedBBox.height;
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}
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var remapx = function(x) {return ((x-box.x)/box.width)*selectedBBox.width + selectedBBox.x;}
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var remapy = function(y) {return ((y-box.y)/box.height)*selectedBBox.height + selectedBBox.y;}
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var scalew = function(w) {return w*selectedBBox.width/box.width;}
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var scaleh = function(h) {return h*selectedBBox.height/box.height;}
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selected.removeAttribute("transform");
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switch (selected.tagName)
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{
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case "path":
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// extract the x,y from the path, adjust it and write back the new path
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var M = selected.pathSegList.getItem(0);
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var curx = M.x, cury = M.y;
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var newd = "M" + remapx(curx) + "," + remapy(cury);
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for (var i = 1; i < selected.pathSegList.numberOfItems; ++i) {
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var l = selected.pathSegList.getItem(i);
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var x = l.x, y = l.y;
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// webkit browsers normalize things and this becomes an absolute
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// line segment! we need to turn this back into a rel line segment
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// see https://bugs.webkit.org/show_bug.cgi?id=26487
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if (l.pathSegType == 4) {
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x -= curx;
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y -= cury;
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curx += x;
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cury += y;
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}
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// we only need to scale the relative coordinates (no need to translate)
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newd += " l" + scalew(x) + "," + scaleh(y);
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}
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selected.setAttributeNS(null, "d", newd);
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break;
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case "line":
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selected.x1.baseVal.value = remapx(selected.x1.baseVal.value);
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selected.y1.baseVal.value = remapy(selected.y1.baseVal.value);
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selected.x2.baseVal.value = remapx(selected.x2.baseVal.value);
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selected.y2.baseVal.value = remapy(selected.y2.baseVal.value);
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break;
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case "circle":
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selected.cx.baseVal.value = remapx(selected.cx.baseVal.value);
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selected.cy.baseVal.value = remapy(selected.cy.baseVal.value);
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// take the minimum of the new selected box's dimensions for the new circle radius
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selected.r.baseVal.value = Math.min(selectedBBox.width/2,selectedBBox.height/2);
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break;
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case "ellipse":
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selected.cx.baseVal.value = remapx(selected.cx.baseVal.value);
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selected.cy.baseVal.value = remapy(selected.cy.baseVal.value);
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selected.rx.baseVal.value = scalew(selected.rx.baseVal.value);
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selected.ry.baseVal.value = scaleh(selected.ry.baseVal.value);
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break;
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case "text":
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// cannot use x.baseVal.value here because x is a SVGLengthList
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selected.setAttribute("x", remapx(selected.getAttribute("x")));
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selected.setAttribute("y", remapy(selected.getAttribute("y")));
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break;
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case "rect":
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selected.x.baseVal.value = remapx(selected.x.baseVal.value);
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selected.y.baseVal.value = remapy(selected.y.baseVal.value);
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selected.width.baseVal.value = scalew(selected.width.baseVal.value);
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selected.height.baseVal.value = scaleh(selected.height.baseVal.value);
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break;
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default: // rect
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console.log("Unknown shape type: " + selected.tagName);
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break;
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}
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// fire changed event
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call("changed", selected);
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}
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var recalculateSelectedOutline = function() {
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if (selected != null && selectedOutline != null) {
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var bbox = selectedBBox;
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var selectedBox = selectedOutline.firstChild;
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var sw = parseInt(selected.getAttribute("stroke-width"));
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var offset = 1;
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if (!isNaN(sw)) {
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offset += sw/2;
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}
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if (selected.tagName == "text") {
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offset += 2;
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}
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var l=bbox.x-offset, t=bbox.y-offset, w=bbox.width+(offset<<1), h=bbox.height+(offset<<1);
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selectedBox.x.baseVal.value = l;
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selectedBox.y.baseVal.value = t;
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selectedBox.width.baseVal.value = w;
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selectedBox.height.baseVal.value = h;
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selectedGrips.nw.cx.baseVal.value = l;
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selectedGrips.nw.cy.baseVal.value = t;
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selectedGrips.ne.cx.baseVal.value = l+w;
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selectedGrips.ne.cy.baseVal.value = t;
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selectedGrips.sw.cx.baseVal.value = l;
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selectedGrips.sw.cy.baseVal.value = t+h;
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selectedGrips.se.cx.baseVal.value = l+w;
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selectedGrips.se.cy.baseVal.value = t+h;
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selectedGrips.n.cx.baseVal.value = l+w/2;
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selectedGrips.n.cy.baseVal.value = t;
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selectedGrips.w.cx.baseVal.value = l;
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selectedGrips.w.cy.baseVal.value = t+h/2;
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selectedGrips.e.cx.baseVal.value = l+w;
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selectedGrips.e.cy.baseVal.value = t+h/2;
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selectedGrips.s.cx.baseVal.value = l+w/2;
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selectedGrips.s.cy.baseVal.value = t+h;
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}
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}
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// public events
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// call this function to set the selected element
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// call this function with null to clear the selected element
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@ -149,6 +272,8 @@ function SvgCanvas(c)
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selected = newSelected;
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if (selected != null) {
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selectedBBox = selected.getBBox();
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// we create this element for the first time here
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if (selectedOutline == null) {
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// create a group that will hold all the elements that make
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@ -178,15 +303,20 @@ function SvgCanvas(c)
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// add the corner grips
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for (dir in selectedGrips) {
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var cursType = (dir+"-resize");
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selectedGrips[dir] = selectedOutline.appendChild( addSvgElementFromJson({
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"element": "circle",
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"attr": {
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"id": ("selected_"+dir+"_grip"),
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"id": (dir+"_grip"),
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"fill": "blue",
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"r": 3,
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"cursor": (dir+"-resize"),
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"style": ("cursor:"+cursType),
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}
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}) );
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$('#'+selectedGrips[dir].id).mousedown( function() {
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current_mode = "resize";
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current_resize_mode = this.id.substr(0,this.id.indexOf("_"));
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});
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}
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}
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// recalculate size and then re-append to bottom of document
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@ -204,47 +334,17 @@ function SvgCanvas(c)
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current_font_size = selected.getAttribute("font-size");
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current_font_family = selected.getAttribute("font-family");
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}
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// do now show resize grips on text elements
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var gripDisplay = (selected.tagName == "text" ? "none" : "inline");
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for (dir in selectedGrips) {
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selectedGrips[dir].setAttribute("display", gripDisplay);
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}
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}
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call("selected", selected);
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}
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var recalculateSelectedOutline = function() {
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if (selected != null && selectedOutline != null) {
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var selectedBox = selectedOutline.firstChild;
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var bbox = selected.getBBox();
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var sw = parseInt(selected.getAttribute("stroke-width"));
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var offset = 1;
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if (!isNaN(sw)) {
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offset += sw/2;
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}
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if (selected.tagName == "text") {
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offset += 2;
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}
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var l=bbox.x-offset, t=bbox.y-offset, w=bbox.width+(offset<<1), h=bbox.height+(offset<<1);
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selectedBox.x.baseVal.value = l;
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selectedBox.setAttribute("y", t);
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selectedBox.setAttribute("width", w);
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selectedBox.setAttribute("height", h);
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selectedGrips.nw.cx.baseVal.value = l;
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selectedGrips.nw.cy.baseVal.value = t;
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selectedGrips.ne.cx.baseVal.value = l+w;
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selectedGrips.ne.cy.baseVal.value = t;
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selectedGrips.sw.cx.baseVal.value = l;
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selectedGrips.sw.cy.baseVal.value = t+h;
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selectedGrips.se.cx.baseVal.value = l+w;
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selectedGrips.se.cy.baseVal.value = t+h;
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selectedGrips.n.cx.baseVal.value = l+w/2;
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selectedGrips.n.cy.baseVal.value = t;
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selectedGrips.w.cx.baseVal.value = l;
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selectedGrips.w.cy.baseVal.value = t+h/2;
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selectedGrips.e.cx.baseVal.value = l+w;
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selectedGrips.e.cy.baseVal.value = t+h/2;
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selectedGrips.s.cx.baseVal.value = l+w/2;
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selectedGrips.s.cy.baseVal.value = t+h;
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}
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}
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var mouseDown = function(evt)
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{
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var x = evt.pageX - container.offsetLeft;
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@ -261,6 +361,11 @@ function SvgCanvas(c)
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}
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selectElement(t);
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break;
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case "resize":
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started = true;
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start_x = x;
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start_y = y;
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break;
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case "fhellipse":
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case "fhrect":
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case "path":
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@ -287,6 +392,8 @@ function SvgCanvas(c)
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freehand_max_y = y;
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break;
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case "square":
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// TODO: once we create the rect, we lose information that this was a square
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// (for resizing purposes this is important)
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case "rect":
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started = true;
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start_x = x;
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@ -407,10 +514,47 @@ function SvgCanvas(c)
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if (selected != null && selectedOutline != null) {
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var dx = x - start_x;
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var dy = y - start_y;
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selected.setAttributeNS(null, "transform", "translate(" + dx + "," + dy + ")");
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selectedOutline.setAttributeNS(null, "transform", "translate(" + dx + "," + dy + ")");
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selectedBBox = selected.getBBox();
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selectedBBox.x += dx;
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selectedBBox.y += dy;
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var ts = "translate(" + dx + "," + dy + ")";
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selected.setAttribute("transform", ts);
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recalculateSelectedOutline();
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}
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break;
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case "resize":
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// we track the resize bounding box and translate/scale the selected element
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// while the mouse is down, when mouse goes up, we use this to recalculate
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// the shape's coordinates
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var box=selected.getBBox(), left=box.x, top=box.y, width=box.width,
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height=box.height, dx=(x-start_x), dy=(y-start_y);
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var tx=0, ty=0, sx=1, sy=1;
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var ts = null;
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if(current_resize_mode.indexOf("n") != -1) {
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ty = dy;
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sy = (height-dy)/height;
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}
|
||||
else if(current_resize_mode.indexOf("s") != -1) {
|
||||
sy = (height+dy)/height;
|
||||
}
|
||||
if(current_resize_mode.indexOf("e") != -1) {
|
||||
sx = (width+dx)/width;
|
||||
}
|
||||
else if(current_resize_mode.indexOf("w") != -1) {
|
||||
tx = dx;
|
||||
sx = (width-dx)/width;
|
||||
}
|
||||
|
||||
selectedBBox.x = left+tx;
|
||||
selectedBBox.y = top+ty;
|
||||
selectedBBox.width = width*sx;
|
||||
selectedBBox.height = height*sy;
|
||||
|
||||
ts = "translate(" + (left+tx) + "," + (top+ty) + ") scale(" + (sx) + "," + (sy) +
|
||||
") translate(" + (-left) + "," + (-top) + ")";
|
||||
selected.setAttribute("transform", ts);
|
||||
recalculateSelectedOutline();
|
||||
break;
|
||||
case "text":
|
||||
shape.setAttribute("x", x);
|
||||
shape.setAttribute("y", y);
|
||||
|
|
@ -462,7 +606,7 @@ function SvgCanvas(c)
|
|||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
var mouseUp = function(evt)
|
||||
{
|
||||
if (!started) return;
|
||||
|
|
@ -472,59 +616,12 @@ function SvgCanvas(c)
|
|||
var keep = false;
|
||||
switch (current_mode)
|
||||
{
|
||||
// fall-through to select here
|
||||
case "resize":
|
||||
current_mode = "select";
|
||||
case "select":
|
||||
if (selected != null) {
|
||||
var dx = evt.pageX - container.offsetLeft - start_x;
|
||||
var dy = evt.pageY - container.offsetTop - start_y;
|
||||
selected.removeAttribute("transform");
|
||||
selectedOutline.removeAttribute("transform");
|
||||
switch (selected.tagName)
|
||||
{
|
||||
case "path":
|
||||
// extract the x,y from the path, adjust it and write back the new path
|
||||
var M = selected.pathSegList.getItem(0);
|
||||
var curx = M.x, cury = M.y;
|
||||
var newd = "M" + (curx+dx) + "," + (cury+dy);
|
||||
for (var i = 1; i < selected.pathSegList.numberOfItems; ++i) {
|
||||
var l = selected.pathSegList.getItem(i);
|
||||
var x = l.x, y = l.y;
|
||||
// webkit browsers normalize things and this becomes an absolute
|
||||
// line segment! we need to turn this back into a rel line segment
|
||||
// see https://bugs.webkit.org/show_bug.cgi?id=26487
|
||||
if (l.pathSegType == 4) {
|
||||
x -= curx;
|
||||
y -= cury;
|
||||
curx += x;
|
||||
cury += y;
|
||||
}
|
||||
newd += " l" + x + "," + y;
|
||||
}
|
||||
selected.setAttributeNS(null, "d", newd);
|
||||
break;
|
||||
case "line":
|
||||
var x1 = parseInt(selected.getAttributeNS(null, "x1"));
|
||||
var y1 = parseInt(selected.getAttributeNS(null, "y1"));
|
||||
var x2 = parseInt(selected.getAttributeNS(null, "x2"));
|
||||
var y2 = parseInt(selected.getAttributeNS(null, "y2"));
|
||||
selected.setAttributeNS(null, "x1", x1+dx);
|
||||
selected.setAttributeNS(null, "y1", y1+dy);
|
||||
selected.setAttributeNS(null, "x2", x2+dx);
|
||||
selected.setAttributeNS(null, "y2", y2+dy);
|
||||
break;
|
||||
case "circle":
|
||||
case "ellipse":
|
||||
var cx = parseInt(selected.getAttributeNS(null, "cx"));
|
||||
var cy = parseInt(selected.getAttributeNS(null, "cy"));
|
||||
selected.setAttributeNS(null, "cx", cx+dx);
|
||||
selected.setAttributeNS(null, "cy", cy+dy);
|
||||
break;
|
||||
default: // rect
|
||||
var x = parseInt(selected.getAttributeNS(null, "x"));
|
||||
var y = parseInt(selected.getAttributeNS(null, "y"));
|
||||
selected.setAttributeNS(null, "x", x+dx);
|
||||
selected.setAttributeNS(null, "y", y+dy);
|
||||
break;
|
||||
}
|
||||
recalculateSelectedDimensions();
|
||||
recalculateSelectedOutline();
|
||||
// we return immediately from select so that the obj_num is not incremented
|
||||
return;
|
||||
|
|
|
|||
Loading…
Reference in New Issue