Big-Ugly Style Update (#278)
* Bulk replaced tabs with spaces * Bulk removed trailing whitespace from lines * Replaced c-style comments with c++-style comments in file banners * Replace nested namespace definitions with single concise definitions (C++17), this keeps the indentation more manageable * Cleanup ordering and spacing of include directives * Bulk renaming of header file extensions from '.h' to '.hpp'. * Update CODING-STYLE.md * Update target_compile_features from cxx_std_11 to cxx_std_20. * Refresh .clang-format file. Still needs a lot of tweaking.
This commit is contained in:
Jaye Evins
GitHub
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// Renderer.hpp
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//
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// Copyright (C) 2013 Jaye Evins <evins@snaught.com>
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//
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// This file is part of glbarcode++.
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//
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// glbarcode++ is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// glbarcode++ is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with glbarcode++. If not, see <http://www.gnu.org/licenses/>.
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//
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#ifndef glbarcode_Renderer_hpp
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#define glbarcode_Renderer_hpp
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#include <list>
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#include "DrawingPrimitives.hpp"
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namespace glbarcode
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{
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class DrawingPrimitive; /* Forward reference to private drawing primitive class. */
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/**
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* @class Renderer Renderer.h glbarcode/Renderer.h
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*
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* Base class for all renderers.
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*/
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class Renderer
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{
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protected:
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/**
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* Default constructor.
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*/
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Renderer() = default;
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public:
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/**
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* Destructor.
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*/
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virtual ~Renderer() = default;
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/*
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* Non-copyable
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*/
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Renderer( const Renderer & ) = delete;
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void operator=( const Renderer & ) = delete;
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/**
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* Render list of primitives.
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*
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* @param[in] w Width of barcode bounding box (points)
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* @param[in] h Height of barcode bounding box (points)
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* @param[in] primitives List of drawing primitives
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*/
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void render( double w, double h, const std::list<DrawingPrimitive*>& primitives );
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protected:
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/**
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* Draw begin.
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*
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* Required virtual method to perform rendering setup, such as opening devices and/or
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* initializing drawing contexts.
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*
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* @param[in] w Width of barcode bounding box (points)
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* @param[in] h Height of barcode bounding box (points)
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*/
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virtual void drawBegin( double w, double h ) = 0;
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/**
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* Draw end.
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*
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* Required virtual method to perform rendering cleanup, such as closing devices
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* and/or drawing contexts.
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*/
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virtual void drawEnd() = 0;
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/**
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* Draw line primitive.
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*
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* Required virtual method to draw or render line drawing primitive.
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*
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* @image html figure-primitive-line.svg "Line primitive properties"
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*
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* @param[in] x X coordinate of line's origin (points)
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* @param[in] y Y coordinate of line's origin (points)
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* @param[in] w Line width (points)
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* @param[in] h Line height (points)
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*/
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virtual void drawLine( double x, double y, double w, double h ) = 0;
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/**
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* Draw box primitive.
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*
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* Required virtual method to draw or render box drawing primitive.
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*
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* @image html figure-primitive-box.svg "Box primitive properties"
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*
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* @param[in] x X coordinate of box's origin (points)
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* @param[in] y Y coordinate of box's origin (points)
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* @param[in] w Width of box (points)
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* @param[in] h Height of box (points)
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*/
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virtual void drawBox( double x, double y, double w, double h ) = 0;
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/**
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* Draw text primitive.
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*
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* Required virtual method to draw or render text drawing primitive.
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*
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* @image html figure-primitive-text.svg "Text primitive properties"
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*
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* @param[in] x X coordinate of text's origin (points)
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* @param[in] y Y coordinate of text's origin (points)
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* @param[in] size Font size of text (points)
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* @param[in] text Text
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*/
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virtual void drawText( double x, double y, double size, const std::string& text, HAlign halign = H_ALIGN_CENTER ) = 0;
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/**
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* Draw ring primitive.
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*
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* Required virtual method to draw or render ring drawing primitive.
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*
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* @image html figure-primitive-ring.svg "Ring primitive properties"
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*
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* @param[in] x X coordinate of ring's origin (points)
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* @param[in] y Y coordinate of ring's origin (points)
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* @param[in] r Radius of ring (points)
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* @param[in] w Line width of ring (points)
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*/
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virtual void drawRing( double x, double y, double r, double w ) = 0;
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/**
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* Draw hexagon primitive.
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*
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* Required virtual method to draw or render hexagon drawing primitive.
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*
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* @image html figure-primitive-hexagon.svg "Hexagon primitive properties"
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*
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* @param[in] x X coordinate of hexagon's origin (points)
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* @param[in] y Y coordinate of hexagon's origin (points)
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* @param[in] h Height of hexagon (points)
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*/
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virtual void drawHexagon( double x, double y, double h ) = 0;
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};
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}
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#endif // glbarcode_Renderer_hpp
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