Function rotateTextRect

libs/echarts/echarts.simple.js:37943–37953

(textRect, rotate)

}

function rotateTextRect(textRect, rotate) {
    var rotateRadians = rotate * Math.PI / 180;
    var boundingBox = textRect.plain();
    var beforeWidth = boundingBox.width;
    var beforeHeight = boundingBox.height;
    var afterWidth = beforeWidth * Math.abs(Math.cos(rotateRadians)) + Math.abs(beforeHeight * Math.sin(rotateRadians));
    var afterHeight = beforeWidth * Math.abs(Math.sin(rotateRadians)) + Math.abs(beforeHeight * Math.cos(rotateRadians));
    var rotatedRect = new BoundingRect(boundingBox.x, boundingBox.y, afterWidth, afterHeight);

    return rotatedRect;
}

/**
 * @param {module:echarts/src/model/Model} model axisLabelModel or axisTickModel