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Fixes Text rotation issue #2095

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This commit is contained in:
Srishti 2013-06-21 03:33:30 +05:30
parent ce218d021f
commit 21a8d62624
7 changed files with 44 additions and 17 deletions
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22
src/canvas.js
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@ -968,14 +968,20 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
var ctx = this.ctx;
var font = this.current.font;
var ctxMatrix = ctx.mozCurrentTransform;
if (ctxMatrix) {
var bl = Util.applyTransform([0, 0], ctxMatrix);
var tr = Util.applyTransform([1, 1], ctxMatrix);
geometry.x = bl[0];
geometry.y = bl[1];
geometry.hScale = tr[0] - bl[0];
geometry.vScale = tr[1] - bl[1];
}
var a = ctxMatrix[0], b = ctxMatrix[1], c = ctxMatrix[2];
var d = ctxMatrix[3], e = ctxMatrix[4], f = ctxMatrix[5];
var sx = (a >= 0) ?
Math.sqrt((a * a) + (b * b)) : -Math.sqrt((a * a) + (b * b));
var sy = (d >= 0) ?
Math.sqrt((c * c) + (d * d)) : -Math.sqrt((c * c) + (d * d));
var angle = Math.atan2(b, a);
var x = e;
var y = f;
geometry.x = x;
geometry.y = y;
geometry.hScale = sx;
geometry.vScale = sy;
geometry.angle = angle;
geometry.spaceWidth = font.spaceWidth;
geometry.fontName = font.loadedName;
geometry.fontFamily = font.fallbackName;