message: fix(svg): shadow should be draw when one of shadowBlur, shadowOffsetX, and shadowOffsetY is set
diff: @@ -143,7 +143,7 @@ ShadowManager.prototype.updateDom = function (displayable, dom) {
  // TODO: textBoxShadowBlur is not supported yet
  var offsetX, offsetY, blur, color;
  - if (style.shadowBlur) {
  + if (style.shadowBlur || style.shadowOffsetX || style.shadowOffsetY) {
  offsetX = style.shadowOffsetX;
  offsetY = style.shadowOffsetY;
  blur = style.shadowBlur;
  @@ -198,10 +198,11 @@ ShadowManager.prototype.markUsed = function (displayable) {
  };
  function hasShadow(style) {
  + // TODO: textBoxShadowBlur is not supported yet
  return style
  - && (style.shadowBlur
  - || style.textShadowBlur
  - || style.textBoxShadowBlur);
  + && (style.shadowBlur || style.shadowOffsetX || style.shadowOffsetY
  + || style.textShadowBlur || style.textShadowOffsetX
  + || style.textShadowOffsetY);
  }
  