Sewing data processing apparatus

An apparatus for processing sewing data and utilizing the sewing data to sew an embroidery in an area consisting of a plurality of blocks, by filling with stitches each of the blocks in a sewing direction from a sewing start segment toward a sewing end segment, the sewing start and end segments being defined by, and between, a pair of first points and a pair of second points, respectively, the first and second points being positioned on an outline of said each block, the apparatus comprising:

• first means for obtaining first information relating to a length of a first straight line segment connecting between one of said two first points defining said sewing start segment and one of said two second points defining said sewing end segment, and a length of a second straight line segment connecting between the other first point and the other second point, said first and second straight line segments intersecting each other;
• second means for obtaining second information relating to a length of said each block in said sewing direction in which the filling of said each block with said stitches is advanced from said sewing start segment toward said sewing end segment;
• third means for producing said sewing data by utilizing said first information, said second information, and third information representative of a number of stitches formed per unit length which number is predetermined for said embroidery;
• and
• data utilization means for utilizing said sewing data to form said stitches.