evg_stencil_set_color_matrix  283 modules/soft_raster/rast_soft.h GF_Err evg_stencil_set_color_matrix(GF_STENCIL st, GF_ColorMatrix *cmat);
evg_stencil_set_color_matrix   50 modules/soft_raster/raster_load.c 	dr->stencil_set_color_matrix = evg_stencil_set_color_matrix;