Mercurial > octave
view libinterp/corefcn/text-renderer.cc @ 31606:dfa5d9c3ae72
maint: merge stable to default
author | Rik <rik@octave.org> |
---|---|
date | Thu, 01 Dec 2022 14:28:07 -0800 |
parents | e88a07dec498 |
children | aac27ad79be6 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2009-2022 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 "error.h" #include "errwarn.h" #include "ft-text-renderer.h" #include "latex-text-renderer.h" #include "text-renderer.h" OCTAVE_BEGIN_NAMESPACE(octave) text_renderer::text_renderer (void) : m_rep (make_ft_text_renderer ()), m_latex_rep (make_latex_text_renderer ()) { } text_renderer::~text_renderer (void) { delete m_rep; delete m_latex_rep; } bool text_renderer::ok (void) const { static bool warned = false; if (! m_rep) { if (! warned) { warn_disabled_feature ("opengl_renderer::render_text", "rendering text (FreeType)"); warned = true; } } return m_rep != nullptr; } Matrix text_renderer::get_extent (text_element *elt, double rotation) { static Matrix empty_extent (1, 4, 0.0); return ok () ? m_rep->get_extent (elt, rotation) : empty_extent; } Matrix text_renderer::get_extent (const std::string& txt, double rotation, const caseless_str& interpreter) { static Matrix retval (1, 4, 0.0); if (interpreter == "latex" && m_latex_rep->ok ()) retval = m_latex_rep->get_extent (txt, rotation, interpreter); else if (ok ()) retval = m_rep->get_extent (txt, rotation, interpreter); return retval; } void text_renderer::set_anti_aliasing (bool val) { if (ok ()) m_rep->set_anti_aliasing (val); } octave_map text_renderer::get_system_fonts (void) { octave_map retval; if (ok ()) retval = m_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 ()) { m_rep->set_font (name, weight, angle, size); m_latex_rep->set_font (name, weight, angle, size); } } void text_renderer::set_color (const Matrix& c) { if (ok ()) { m_rep->set_color (c); m_latex_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 (interpreter == "latex" && m_latex_rep->ok ()) m_latex_rep->text_to_pixels (txt, pxls, bbox, halign, valign, rotation, interpreter, handle_rotation); else if (ok ()) m_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 (interpreter == "latex" && m_latex_rep->ok ()) m_latex_rep->text_to_strlist (txt, lst, bbox, halign, valign, rotation, interpreter); else if (ok ()) m_rep->text_to_strlist (txt, lst, bbox, halign, valign, rotation, interpreter); else { bbox = empty_bbox; lst = empty_lst; } } OCTAVE_END_NAMESPACE(octave)