void ofCairoRenderer::scale(float xAmnt, float yAmnt, float zAmnt ){
if(!surface || !cr) return;
cairo_matrix_scale(getCairoMatrix(),xAmnt,yAmnt);
setCairoMatrix();
if(!b3D) return;
modelView.glScale(xAmnt,yAmnt,zAmnt);
}
void ofCairoRenderer::rotateZ(float degrees){
if(!surface || !cr) return;
cairo_matrix_rotate(getCairoMatrix(),degrees*DEG_TO_RAD);
setCairoMatrix();
if(!b3D) return;
modelView.glRotate(180,0,0,1);
}
void ofCairoRenderer::translate(float x, float y, float z ){
if(!surface || !cr) return;
cairo_matrix_translate(getCairoMatrix(),x,y);
setCairoMatrix();
if(!b3D) return;
modelView.glTranslate(ofVec3f(x,y,z));
}
void ofCairoRenderer::rotate(float degrees, float vecX, float vecY, float vecZ){
if(!surface || !cr) return;
// we can only do Z-axis rotations via cairo_matrix_rotate.
if(vecZ == 1.0f) {
cairo_matrix_rotate(getCairoMatrix(),degrees*DEG_TO_RAD);
setCairoMatrix();
}
if(!b3D) return;
modelView.glRotate(degrees,vecX,vecY,vecZ);
}
void ofCairoRenderer::loadIdentityMatrix (void){
if(!surface || !cr) return;
if(currentMatrixMode==OF_MATRIX_MODELVIEW){
cairo_matrix_init_identity(getCairoMatrix());
setCairoMatrix();
}
if(!b3D) return;
if(currentMatrixMode==OF_MATRIX_MODELVIEW){
modelView.makeIdentityMatrix();
}else if(currentMatrixMode==OF_MATRIX_PROJECTION){
projection.makeIdentityMatrix();
}
}
