Blender Git Loki

Add the possibility to set a 4x4 matrix to be used on blf.

This option allow the user to set a 4x4 matrix to be
multiplied before draw the text, for example:

double *m;

/* Get the matrix or build it! */

BLF_matrix(m);
BLF_enable(BLF_MATRIX);

/* set color, size, etc and draw! */

BLF_disable(BLF_MATRIX);

You don't need the last line (disable), but remember
that if you use the font to draw in any other place,
the matrix will be used!.

The GL code is:

glPushMatrix();
glMultMatrixd(m);
glTranslatef();
glScalef();
glRotatef();

glPopMatrix();

Let's Dalai test this!!! :D