Is that why I am getting a seg fault? /********************************** 80 * Nuclear Proteins 81 **********************************/ 82 cairo_set_font_size (cr, (1400.0*nuclear)/total); 83 cairo_set_source_rgb (cr, 0.4, 0.2, 0.6); 84 cairo_move_to (cr, BORDER+CELL_DIAM/2-3600*nuclear/total, TOP_BORDER+1000*nuclear /total); 85 cairo_get_font_matrix(cr,fatrix); 86 cairo_matrix_init_scale(fatrix,0.8,0); 87 cairo_set_font_matrix(cr,fatrix); 88 cairo_show_text (cr, "N"); 89 cairo_set_font_size (cr, (1040.0*nuclear)/total); 90 cairo_show_text (cr, "ucLea");/**/ 91 cairo_set_font_size (cr, (1400.0*nuclear)/total); 92 cairo_show_text (cr, "R");/**/ 93 Do the scale factors multiply or add? I am supply sy = 0.. maybe I want sy = 1 <div class="gmail_quote">On Wed, Jul 28, 2010 at 12:16 AM, donn <<a href="mailto:donn.ingle@gmail.com">donn.ingle@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> <div class="im">On 28/07/2010 08:56, Kayven Riese wrote: <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> I need to learn to make my letters on a different canvas and combine the two canvases or something, don't I? </blockquote></div> Have a look at context.save() and context.restore() -- you can have a different matrix within those two and not affect the one outside. \d<div><div></div><div class="h5"> -- cairo mailing list <a href="mailto:cairo@cairographics.org" target="_blank">cairo@cairographics.org</a> <a href="http://lists.cairographics.org/mailman/listinfo/cairo" target="_blank">http://lists.cairographics.org/mailman/listinfo/cairo</a> </div></div></blockquote></div> -- *----------------------------------------------------------* Kayven Riese, BSCS, MS (Physiology and Biophysics) (415) 902 5513 cellular <a href="http://kayve.net">http://kayve.net</a> Webmaster <a href="http://ChessYoga.org">http://ChessYoga.org</a> *----------------------------------------------------------*