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Fixed issue 293: Negative scaling paths does not work 

git-svn-id: http://svg-edit.googlecode.com/svn/trunk@858 eee81c28-f429-11dd-99c0-75d572ba1ddd
master
Alexis Deveria 2009-10-21 14:25:55 +00:00
parent d7b4958559
commit 8c4413996d
1 changed files with 31 additions and 37 deletions
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68
editor/svgcanvas.js
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@ -1069,37 +1069,42 @@ function BatchCommand(text) {
{
return null;
}
var bScaleMatrix = false;
var tlist = selected.transform.baseVal;
var t = tlist.numberOfItems;
while (t--) {
var xform = tlist.getItem(t);
if (xform.type == 3) {
bScaleMatrix = xform.matrix;
break;
}
}
// Flipping points should only occur for elements without regular x,y vals
var multiPoints = (selected.getAttribute('x') === null);
// after this point, we have some change to this element
var remap = function(x,y) {
// Prevent division by 0
if(!box.height) box.height = 1;
if(!box.width) box.width = 1;
return {
'x':(((x-box.x)/box.width)*selectedBBox.width + selectedBBox.x),
'y':(((y-box.y)/box.height)*selectedBBox.height + selectedBBox.y)
};
var new_x = (((x-box.x)/box.width)*selectedBBox.width + selectedBBox.x);
var new_y = (((y-box.y)/box.height)*selectedBBox.height + selectedBBox.y);
if(multiPoints && bScaleMatrix) {
if(bScaleMatrix.a < 0) {
new_x = selectedBBox.x + selectedBBox.width - (new_x - selectedBBox.x);
}
if(bScaleMatrix.d < 0) {
new_y = selectedBBox.y + selectedBBox.height - (new_y - selectedBBox.y);
}
}
return {x:new_x, y:new_y};
};
// Deal with flips, need to know when to flip_x/flip_y
// var remap = function(x,y) {
// // Prevent division by 0
// if(!box.height) box.height = 1;
// if(!box.width) box.width = 1;
//
// var new_x = (((x-box.x)/box.width)*selectedBBox.width + selectedBBox.x);
// var new_y = (((y-box.y)/box.height)*selectedBBox.height + selectedBBox.y);
//
// if(flip_x) {
// new_x = selectedBBox.x + selectedBBox.width - (new_x - selectedBBox.x);
// }
// if(flip_y) {
// new_y = selectedBBox.y + selectedBBox.height - (new_y - selectedBBox.y);
// }
//
// return {x:new_x, y:new_y};
// };
var scalew = function(w) {return (w*selectedBBox.width/box.width);}
var scaleh = function(h) {return (h*selectedBBox.height/box.height);}
@ -1114,19 +1119,8 @@ function BatchCommand(text) {
tr_y = round(box.y + box.height/2);
var cx = null, cy = null;
var bFoundScale = false;
var tlist = selected.transform.baseVal;
var t = tlist.numberOfItems;
while (t--) {
var xform = tlist.getItem(t);
if (xform.type == 3) {
bFoundScale = true;
break;
}
}
// if this was a resize, find the new cx,cy
if (bFoundScale) {
if (bScaleMatrix) {
var alpha = angle * Math.PI / 180.0;
// rotate new opposite corners of bbox by angle at old center