.TH "al_compose_transform(3alleg5) Allegro reference manual" "" "" "" ""
.SH NAME
.PP
al_compose_transform \- Allegro 5 API
.SH SYNOPSIS
.IP
.nf
\f[C]
#include\ <allegro5/allegro.h>

void\ al_compose_transform(ALLEGRO_TRANSFORM\ *trans,\ const\ ALLEGRO_TRANSFORM\ *other)
\f[]
.fi
.SH DESCRIPTION
.PP
Compose (combine) two transformations by a matrix multiplication.
.IP
.nf
\f[C]
trans\ :=\ trans\ other
\f[]
.fi
.PP
Note that the order of matrix multiplications is important.
The effect of applying the combined transform will be as if first
applying \f[C]trans\f[] and then applying \f[C]other\f[] and not the
other way around.
.PP
\f[I]Parameters:\f[]
.IP \[bu] 2
trans \- Transformation to alter
.IP \[bu] 2
other \- Transformation used to transform \f[C]trans\f[]