void OpenGLContext::rotate( VGfloat angle ) {
Matrix33* active = getActiveMatrix();
Matrix33 rotate;
rotate.setRotation( radians( angle ) );
Matrix33 tmp;
tmp.setIdentity();
Matrix33::multiply( tmp, rotate, *active );
active->copy( tmp );
loadGLMatrix();
}
void OpenGLContext::scale( VGfloat sx, VGfloat sy ) {
Matrix33* active = getActiveMatrix();
Matrix33 scale;
scale.setIdentity();
scale.setScale( sx, sy );
Matrix33 tmp;
Matrix33::multiply( tmp, scale, *active );
active->copy( tmp );
loadGLMatrix();
}
void OpenGLContext::translate( VGfloat x, VGfloat y ) {
Matrix33* active = getActiveMatrix();
Matrix33 translate;
translate.setTranslate( x, y );
Matrix33 tmp;
tmp.setIdentity();
Matrix33::multiply( tmp, translate, *active );
active->copy( tmp );
loadGLMatrix();
}
void OpenGLContext::setIdentity() {
Matrix33* active = getActiveMatrix();
active->setIdentity();
loadGLMatrix();
}
