Mercurial > octave
view libinterp/corefcn/text-renderer.cc @ 29358:0a5b15007766 stable
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2021.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 10 Feb 2021 09:52:15 -0500 |
parents | bd51beb6205e |
children | 2ae4764180c6 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2009-2021 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include "base-text-renderer.h" #include "errwarn.h" #include "ft-text-renderer.h" #include "text-renderer.h" namespace octave { static base_text_renderer * make_text_renderer (void) { // Allow the possibility of choosing different text rendering // implementations. return make_ft_text_renderer (); } text_renderer::text_renderer (void) : rep (make_text_renderer ()) { } text_renderer::~text_renderer (void) { delete rep; } bool text_renderer::ok (void) const { static bool warned = false; if (! rep) { if (! warned) { warn_disabled_feature ("opengl_renderer::render_text", "rendering text (FreeType)"); warned = true; } } return rep != nullptr; } Matrix text_renderer::get_extent (text_element *elt, double rotation) { static Matrix empty_extent (1, 4, 0.0); return ok () ? rep->get_extent (elt, rotation) : empty_extent; } Matrix text_renderer::get_extent (const std::string& txt, double rotation, const caseless_str& interpreter) { static Matrix empty_extent (1, 4, 0.0); return ok () ? rep->get_extent (txt, rotation, interpreter) : empty_extent; } void text_renderer::set_anti_aliasing (bool val) { if (ok ()) rep->set_anti_aliasing (val); } octave_map text_renderer::get_system_fonts (void) { octave_map retval; if (ok ()) retval = rep->get_system_fonts (); return retval; } void text_renderer::set_font (const std::string& name, const std::string& weight, const std::string& angle, double size) { if (ok ()) rep->set_font (name, weight, angle, size); } void text_renderer::set_color (const Matrix& c) { if (ok ()) rep->set_color (c); } void text_renderer::text_to_pixels (const std::string& txt, uint8NDArray& pxls, Matrix& bbox, int halign, int valign, double rotation, const caseless_str& interpreter, bool handle_rotation) { static Matrix empty_bbox (1, 4, 0.0); static uint8NDArray empty_pxls; if (ok ()) rep->text_to_pixels (txt, pxls, bbox, halign, valign, rotation, interpreter, handle_rotation); else { bbox = empty_bbox; pxls = empty_pxls; } } void text_renderer::text_to_strlist (const std::string& txt, std::list<text_renderer::string>& lst, Matrix& bbox, int halign, int valign, double rotation, const caseless_str& interpreter) { static Matrix empty_bbox (1, 4, 0.0); static std::list<text_renderer::string> empty_lst; if (ok ()) rep->text_to_strlist (txt, lst, bbox, halign, valign, rotation, interpreter); else { bbox = empty_bbox; lst = empty_lst; } } }