player/js/elements/canvasElements/CVSolidElement.js

function CVSolidElement(data, globalData, comp) {
  this.initElement(data, globalData, comp);
}
extendPrototype([BaseElement, TransformElement, CVBaseElement, HierarchyElement, FrameElement, RenderableElement], CVSolidElement);

CVSolidElement.prototype.initElement = SVGShapeElement.prototype.initElement;
CVSolidElement.prototype.prepareFrame = IImageElement.prototype.prepareFrame;

CVSolidElement.prototype.renderInnerContent = function () {
  var ctx = this.canvasContext;
  ctx.fillStyle = this.data.sc;
  ctx.fillRect(0, 0, this.data.sw, this.data.sh);
  //
};