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Rotation angle now preserved with drag/move 

git-svn-id: http://svg-edit.googlecode.com/svn/trunk@389 eee81c28-f429-11dd-99c0-75d572ba1ddd
master
Jeff Schiller 2009-08-16 14:56:22 +00:00
parent 1a97363ea9
commit 121a6c148d
1 changed files with 48 additions and 9 deletions
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57
editor/svgcanvas.js
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@ -708,7 +708,7 @@ function SvgCanvas(c)
'l', 'l', 'l', 'l', // TODO: be less lazy below and map them to h and v
's', 's', 't', 't' ];
// this function returns the command which resulted from th selected change
// this function returns the command which resulted from the selected change
var recalculateSelectedDimensions = function(i) {
var selected = selectedElements[i];
if (selected == null) return null;
@ -730,11 +730,20 @@ function SvgCanvas(c)
var changes = {};
// This fixes Firefox 2- behavior - which does not reset values when
// the attribute has been removed
// see https://bugzilla.mozilla.org/show_bug.cgi?id=320622
selected.setAttribute("transform", "");
selected.removeAttribute("transform");
// if there was a rotation transform, re-set it, otherwise empty out the transform attribute
// This fixes Firefox 2- behavior - which does not reset values when the attribute has
// been removed, see https://bugzilla.mozilla.org/show_bug.cgi?id=320622
var angle = canvas.getRotationAngle(selected);
if (angle != null) {
var cx = remapx(box.x + box.width/2),
cy = remapy(box.y + box.height/2);
selected.setAttribute("transform", ["rotate(", angle, " ", cx, ",", cy, ")"].join(''));
}
else {
selected.setAttribute("transform", "");
selected.removeAttribute("transform");
}
switch (selected.tagName)
{
// NOTE: there's no way to create an actual polygon element except by editing source
@ -1190,8 +1199,15 @@ function SvgCanvas(c)
for (var i = 0; i < len; ++i) {
var selected = selectedElements[i];
if (selected == null) break;
selected.setAttribute("transform", ts);
var box = selected.getBBox();
var angle = canvas.getRotationAngle(selected);
if (angle != null) {
var cx = box.x + box.width/2,
cy = box.y + box.height/2;
ts += [" rotate(", angle, " ", cx, ",", cy, ")"].join('');
}
selected.setAttribute("transform", ts);
box.x += dx; box.y += dy;
selectorManager.requestSelector(selected).resize(box);
selectedBBoxes[i] = box;
@ -1276,8 +1292,16 @@ function SvgCanvas(c)
selectedBBox.height = -selectedBBox.height;
}
selected.setAttribute("transform", ("translate(" + (left+tx) + "," + (top+ty) +
") scale(" + (sx) + "," + (sy) + ") translate(" + (-left) + "," + (-top) + ")"));
// find the rotation transform and prepend it
var ts = ["translate(", (left+tx), ",", (top+ty), ") scale(", sx, ",", sy,
") translate(", -left, ",", -top, ")"].join('');
var angle = canvas.getRotationAngle(selected);
if (angle != null) {
var cx = selectedBBox.x + selectedBBox.width/2,
cy = selectedBBox.y + selectedBBox.height/2;
ts += [" rotate(", angle, " ", cx, ",", cy, ")"].join('')
}
selected.setAttribute("transform", ts);
selectorManager.requestSelector(selected).resize(selectedBBox);
break;
case "text":
@ -2048,6 +2072,21 @@ function SvgCanvas(c)
this.changeSelectedAttribute("stroke-opacity", val);
};
this.getRotationAngle = function(elem) {
var selected = elem || selectedElements[0];
// find the rotation transform (if any) and set it
var tlist = selected.transform.baseVal;
var t = tlist.numberOfItems;
var foundRot = false;
while (t--) {
var xform = tlist.getItem(t);
if (xform.type == 4) {
return xform.angle;
}
}
return null;
};
this.setRotationAngle = function(val) {
var elem = selectedElements[0];
var bbox = elem.getBBox();