1. An image processing apparatus, comprising: an image data acquiring section configured to acquire image data of an image which comprises a plurality of areas indicated by a plurality of different colors, each of the plurality of areas having a respective partial image of the image, the image data acquiring section configured to label a first area to an area, which is included in the plurality of areas and which is indicated by a first color of the plurality of different colors, the image data acquiring section configured to label a second area to another area, which is included in the plurality of areas which is indicated by a second color of the plurality of different colors; a partial image acquiring section configured to acquire information of a respective color for each of the plurality of areas from the image data acquiring section, and the partial image acquiring section configured to acquire, based on the information of a respective color, respective partial image data of the respective partial image of each of the plurality of areas, from the image data acquired by the image data acquiring section; and a layout generation section configured to output a plurality of candidates of layout of the plurality of the partial images acquired by the partial image acquiring section and information of relationships of each of the plurality of candidates to a respective set of the partial images.