Mercurial > octave
view libinterp/corefcn/text-renderer.h @ 33559:62fca924fe85 default tip @
doc: Update NEWS.10.md file.
* NEWS.10.md: Indent NEWS.10.md for clarity.
Add note about changes to colormap() functionality.
author | Rik <rik@octave.org> |
---|---|
date | Thu, 09 May 2024 18:23:33 -0700 |
parents | 4b601ca024d5 |
children |
line wrap: on
line source
//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2009-2024 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 (octave_text_renderer_h) #define octave_text_renderer_h 1 #include "octave-config.h" #include <list> #include <string> #include <vector> #include "caseless-str.h" #include "dMatrix.h" #include "uint8NDArray.h" OCTAVE_BEGIN_NAMESPACE(octave) class base_text_renderer; class text_element; class OCTINTERP_API text_renderer { public: text_renderer (); OCTAVE_DISABLE_COPY_MOVE (text_renderer) ~text_renderer (); bool ok () const; Matrix get_extent (text_element *elt, double rotation = 0.0); Matrix get_extent (const std::string& txt, double rotation = 0.0, const caseless_str& interpreter = "tex"); void set_anti_aliasing (bool val); void set_font (const std::string& name, const std::string& weight, const std::string& angle, double size); octave_map get_system_fonts (); void set_color (const Matrix& c); void text_to_pixels (const std::string& txt, uint8NDArray& pxls, Matrix& bbox, int halign, int valign, double rotation = 0.0, const caseless_str& interpreter = "tex", bool handle_rotation = true); class font { public: font () : m_name (), m_weight (), m_angle (), m_size (0) { } font (const std::string& nm, const std::string& wt, const std::string& ang, double sz) : m_name (nm), m_weight (wt), m_angle (ang), m_size (sz) { } font (const font& ft) : m_name (ft.m_name), m_weight (ft.m_weight), m_angle (ft.m_angle), m_size (ft.m_size) { } ~font () = default; font& operator = (const font& ft) { if (&ft != this) { m_name = ft.m_name; m_weight = ft.m_weight; m_angle = ft.m_angle; m_size = ft.m_size; } return *this; } std::string get_name () const { return m_name; } std::string get_weight () const { return m_weight; } std::string get_angle () const { return m_angle; } double get_size () const { return m_size; } protected: std::string m_name; std::string m_weight; std::string m_angle; double m_size; }; // Container for substrings after parsing. class string { public: string () = delete; string (const std::string& s, const font& f, double x, double y) : m_str (s), m_family (f.get_name ()), m_fnt (f), m_x (x), m_y (y), m_z (0.0), m_xdata (), m_code (0), m_color (Matrix (1, 3, 0.0)), m_svg_element () { } OCTAVE_DEFAULT_COPY_MOVE_DELETE (string) void set_string (const std::string& s) { m_str = s; } std::string get_string () const { return m_str; } std::string get_name () const { return m_fnt.get_name (); } std::string get_family () const { return m_family; } void set_family (const std::string& nm) { m_family = nm; } std::string get_weight () const { return m_fnt.get_weight (); } std::string get_angle () const { return m_fnt.get_angle (); } double get_size () const { return m_fnt.get_size (); } void set_x (const double x) { m_x = x; } double get_x () const { return m_x; } void set_xdata (const std::vector<double>& x) { m_xdata = x; } std::vector<double> get_xdata () const { return m_xdata; } void set_y (const double y) { m_y = y; } double get_y () const { return m_y; } void set_z (const double z) { m_z = z; } double get_z () const { return m_z; } void set_code (const uint32_t code) { m_code = code; } uint32_t get_code () const { return m_code; } void set_svg_element (const std::string& svg) { m_svg_element = svg; } std::string get_svg_element () const { return m_svg_element; } void set_color (const uint8NDArray& c) { m_color(0) = static_cast<double> (c(0)) / 255; m_color(1) = static_cast<double> (c(1)) / 255; m_color(2) = static_cast<double> (c(2)) / 255; } Matrix get_color () const { return m_color; } private: std::string m_str; std::string m_family; font m_fnt; double m_x, m_y, m_z; std::vector<double> m_xdata; uint32_t m_code; Matrix m_color; std::string m_svg_element; }; void text_to_strlist (const std::string& txt, std::list<string>& lst, Matrix& box, int halign, int valign, double rotation = 0.0, const caseless_str& interpreter = "tex"); private: base_text_renderer *m_rep; base_text_renderer *m_latex_rep; }; OCTAVE_END_NAMESPACE(octave) #endif