/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
*/
#pragma once
#include <basegfx/point/b2dpoint.hxx>
#include <tools/gen.hxx>
namespace vcl::pdf
{
// matrix helper class
// TODO: use basegfx matrix class instead or derive from it
/* for sparse matrices of the form (2D linear transformations)
* f[0] f[1] 0
* f[2] f[3] 0
* f[4] f[5] 1
*/
class Matrix3
{
double f[
6];
void set(
const double* pn)
{
for (
int i =
0; i <
6; i++)
f[i] = pn[i];
}
public:
Matrix3();
void skew(
double alpha,
double beta);
void scale(
double sx,
double sy);
void rotate(
double angle);
void translate(
double tx,
double ty);
void invert();
double get(size_t i)
const {
return f[i]; }
Point transform(
const Point& rPoint)
const;
basegfx::B2DPoint transform(
const basegfx::B2DPoint& rPoint)
const;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
