548 lines
14 KiB
C++
548 lines
14 KiB
C++
// ____ ______ __
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// / __ \ / ____// /
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// / /_/ // / / /
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// / ____// /___ / /___ PixInsight Class Library
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// /_/ \____//_____/ PCL 2.4.23
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// ----------------------------------------------------------------------------
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// pcl/Font.h - Released 2022-03-12T18:59:29Z
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// ----------------------------------------------------------------------------
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// This file is part of the PixInsight Class Library (PCL).
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// PCL is a multiplatform C++ framework for development of PixInsight modules.
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//
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// Copyright (c) 2003-2022 Pleiades Astrophoto S.L. All Rights Reserved.
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//
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// Redistribution and use in both source and binary forms, with or without
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// modification, is permitted provided that the following conditions are met:
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//
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// 1. All redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. All redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the names "PixInsight" and "Pleiades Astrophoto", nor the names
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// of their contributors, may be used to endorse or promote products derived
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// from this software without specific prior written permission. For written
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// permission, please contact info@pixinsight.com.
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//
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// 4. All products derived from this software, in any form whatsoever, must
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// reproduce the following acknowledgment in the end-user documentation
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// and/or other materials provided with the product:
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//
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// "This product is based on software from the PixInsight project, developed
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// by Pleiades Astrophoto and its contributors (https://pixinsight.com/)."
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//
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// Alternatively, if that is where third-party acknowledgments normally
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// appear, this acknowledgment must be reproduced in the product itself.
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//
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// THIS SOFTWARE IS PROVIDED BY PLEIADES ASTROPHOTO AND ITS CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL PLEIADES ASTROPHOTO OR ITS
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, BUSINESS
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// INTERRUPTION; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; AND LOSS OF USE,
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// DATA OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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// ----------------------------------------------------------------------------
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#ifndef __PCL_Font_h
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#define __PCL_Font_h
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/// \file pcl/Font.h
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#ifndef __PCL_BUILDING_PIXINSIGHT_APPLICATION
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#include <pcl/Defs.h>
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#include <pcl/Rectangle.h>
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#include <pcl/StringList.h>
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#include <pcl/UIObject.h>
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#endif // __PCL_BUILDING_PIXINSIGHT_APPLICATION
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namespace pcl
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{
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// ----------------------------------------------------------------------------
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/*!
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* \namespace pcl::FontFamily
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* \brief Platform-independent, standard font families
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*
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* <table border="1" cellpadding="4" cellspacing="0">
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* <tr><td>FontFamily::Default</td> <td>Default font</td></tr>
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* <tr><td>FontFamily::SansSerif</td> <td>Sans serif font: Helvetica, Swiss, Arial</td></tr>
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* <tr><td>FontFamily::Helvetica</td> <td>Equivalent to SansSerif</td></tr>
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* <tr><td>FontFamily::Swiss</td> <td>Equivalent to SansSerif</td></tr>
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* <tr><td>FontFamily::Serif</td> <td>Serif font: Times, Garamond</td></tr>
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* <tr><td>FontFamily::Times</td> <td>Equivalent to Serif</td></tr>
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* <tr><td>FontFamily::Script</td> <td>Handwriting font: Script, Comic</td></tr>
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* <tr><td>FontFamily::Monospace</td> <td>Fixed-pitch font: Courier, Vera Sans Mono</td></tr>
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* <tr><td>FontFamily::TypeWriter</td> <td>Equivalent to Monospace</td></tr>
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* <tr><td>FontFamily::Courier</td> <td>Equivalent to Monospace</td></tr>
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* <tr><td>FontFamily::Teletype</td> <td>Equivalent to Monospace</td></tr>
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* <tr><td>FontFamily::Decorative</td> <td>Decorative font: OldEnglish</td></tr>
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* <tr><td>FontFamily::OldEnglish</td> <td>Equivalent to Decorative</td></tr>
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* <tr><td>FontFamily::Symbol</td> <td>Math, greek, etc: Symbol</td></tr>
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* </table>
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*/
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namespace FontFamily
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{
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enum value_type
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{
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Default, // default font
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SansSerif, // sans serif font: Helvetica, Swiss, Arial
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Helvetica = SansSerif,
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Swiss = SansSerif,
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Serif, // serif font: Times, Garamond
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Times = Serif,
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Script, // handwriting font: Script, Comic
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Monospace, // fixed-pitch font: Courier, Vera Sans Mono
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TypeWriter = Monospace,
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Courier = Monospace,
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Teletype = Monospace,
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Decorative, // decorative font: OldEnglish,
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OldEnglish = Decorative,
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Symbol // math, greek, etc.: Symbol
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};
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String PCL_FUNC FamilyToFace( value_type family );
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}
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// ----------------------------------------------------------------------------
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/*!
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* \namespace pcl::FontWeight
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* \brief Standard font weights
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*
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* <table border="1" cellpadding="4" cellspacing="0">
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* <tr><td>FontWeight::Thin</td> <td>100</td></tr>
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* <tr><td>FontWeight::ExtraLight</td> <td>200</td></tr>
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* <tr><td>FontWeight::UltraLight</td> <td>= ExtraLight</td></tr>
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* <tr><td>FontWeight::Light</td> <td>300</td></tr>
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* <tr><td>FontWeight::Normal</td> <td>400</td></tr>
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* <tr><td>FontWeight::Regular</td> <td>= Normal</td></tr>
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* <tr><td>FontWeight::Medium</td> <td>500</td></tr>
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* <tr><td>FontWeight::SemiBold</td> <td>600</td></tr>
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* <tr><td>FontWeight::DemiBold</td> <td>= SemiBold</td></tr>
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* <tr><td>FontWeight::Bold</td> <td>700</td></tr>
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* <tr><td>FontWeight::ExtraBold</td> <td>800</td></tr>
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* <tr><td>FontWeight::UltraBold</td> <td>= ExtraBold</td></tr>
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* <tr><td>FontWeight::Heavy</td> <td>850</td></tr>
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* <tr><td>FontWeight::Black</td> <td>900</td></tr>
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* </table>
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*/
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namespace FontWeight
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{
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enum value_type
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{
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Thin = 100,
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ExtraLight = 200,
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UltraLight = ExtraLight,
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Light = 300,
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Normal = 400,
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Regular = Normal,
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Medium = 500,
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SemiBold = 600,
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DemiBold = SemiBold,
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Bold = 700,
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ExtraBold = 800,
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UltraBold = ExtraBold,
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Heavy = 850,
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Black = 900
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};
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}
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// ----------------------------------------------------------------------------
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/*!
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* \namespace pcl::FontStretch
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* \brief Standard font stretchs
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*
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* <table border="1" cellpadding="4" cellspacing="0">
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* <tr><td>FontStretch::UltraCondensed</td> <td>50</td></tr>
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* <tr><td>FontStretch::ExtraCondensed</td> <td>62</td></tr>
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* <tr><td>FontStretch::Condensed</td> <td>75</td></tr>
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* <tr><td>FontStretch::SemiCondensed</td> <td>87</td></tr>
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* <tr><td>FontStretch::Unstretched</td> <td>100</td></tr>
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* <tr><td>FontStretch::SemiExpanded</td> <td>112</td></tr>
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* <tr><td>FontStretch::Expanded</td> <td>125</td></tr>
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* <tr><td>FontStretch::ExtraExpanded</td> <td>150</td></tr>
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* <tr><td>FontStretch::UltraExpanded</td> <td>200</td></tr>
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* </table>
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*/
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namespace FontStretch
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{
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enum value_type
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{
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UltraCondensed = 50,
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ExtraCondensed = 62,
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Condensed = 75,
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SemiCondensed = 87,
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Unstretched = 100,
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SemiExpanded = 112,
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Expanded = 125,
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ExtraExpanded = 150,
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UltraExpanded = 200
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};
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}
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// ----------------------------------------------------------------------------
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#ifndef __PCL_BUILDING_PIXINSIGHT_APPLICATION
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// ----------------------------------------------------------------------------
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/*!
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* \class Font
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* \brief Client-side interface to a PixInsight %Font object
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*
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* ### TODO: Write a detailed description for %Font.
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*/
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class PCL_CLASS Font : public UIObject
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{
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public:
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/*!
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* Represents a standard font family.
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*/
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typedef FontFamily::value_type family;
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/*!
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* Represents a standard font weight.
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*/
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typedef FontWeight::value_type std_weight;
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/*!
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* Represents a standard font stretch.
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*/
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typedef FontStretch::value_type std_stretch;
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/*!
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* Constructs a %Font object with the specified family and \a size in
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* points.
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*
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* ### TODO: Elaborate on font families, font matching, etc.
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*/
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Font( family f = FontFamily::Default, double size = 12.0 );
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/*!
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* Constructs a %Font object with the specified font \a face and \a size
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* in points.
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*
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* ### TODO: Elaborate on font faces, font matching, etc.
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*/
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Font( const String& face, double size = 12.0 );
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/*!
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* Copy constructor. This object will reference the same server-side font
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* as the specified instance \a f.
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*/
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Font( const Font& f ) : UIObject( f )
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{
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}
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/*!
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* Move constructor.
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*/
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Font( Font&& x ) : UIObject( std::move( x ) )
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{
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}
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/*!
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* Destroys a %Font object. If this object references an existing font in
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* the PixInsight core application, its reference count is decremented. If
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* it becomes unreferenced, it will be garbage-collected.
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*/
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virtual ~Font()
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{
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}
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/*!
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* Copy assignment operator. Returns a reference to this object.
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*
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* Makes this object reference the same server-side font as the specified
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* instance \a f. If the previous font becomes unreferenced, it will be
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* garbage-collected by the PixInsight core application.
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*/
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Font& operator =( const Font& f )
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{
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SetHandle( f.handle );
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return *this;
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}
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/*!
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* Move assignment operator. Returns a reference to this object.
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*/
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Font& operator =( Font&& x )
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{
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Transfer( x );
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return *this;
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}
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/*!
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* Returns a reference to a <em>null font</em>. A null %Font object does not
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* correspond to an existing font object in the PixInsight core application.
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*/
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static Font& Null();
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/*! #
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*/
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String Face() const;
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/*! #
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*/
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void SetFace( const String& );
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/*! #
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*/
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bool IsExactMatch() const;
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/*! #
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*/
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StringList AvailableWritingSystems() const
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{
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return AvailableFontWritingSystems( Face() );
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}
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/*! #
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*/
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StringList AvailableStyles() const
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{
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return AvailableFontStyles( Face() );
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}
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/*! #
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*/
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bool IsScalable( const String& style = String() ) const
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{
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return IsScalableFont( Face(), style );
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}
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/*! #
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*/
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Array<double> OptimalPointSizes( const String& style = String() ) const
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{
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return OptimalFontPointSizes( Face(), style );
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}
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/*! #
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*/
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int PixelSize() const;
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/*! #
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*/
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void SetPixelSize ( int );
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/*! #
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*/
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double PointSize() const;
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/*! #
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*/
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void SetPointSize( double );
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/*! #
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*/
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bool IsFixedPitch() const;
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/*! #
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*/
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bool IsFixedPitch( const String& style ) const
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{
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return IsFixedPitchFont( Face(), style );
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}
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/*! #
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*/
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void SetFixedPitch( bool = true );
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/*! #
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*/
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bool IsKerningEnabled() const;
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/*! #
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*/
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void EnableKerning( bool = true );
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/*! #
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*/
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void DisableKerning( bool = true );
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/*! #
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*/
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int StretchFactor() const;
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/*! #
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*/
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void SetStretchFactor( int );
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/*! #
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*/
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int Weight() const;
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/*! #
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*/
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int Weight( const String& style ) const
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{
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return FontWeight( Face(), style );
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}
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/*! #
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*/
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void SetWeight( int );
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/*! #
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*/
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bool IsBold() const
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{
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return Weight() >= FontWeight::Bold;
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}
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/*! #
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*/
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void SetBold( bool b = true )
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{
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SetWeight( b ? FontWeight::Bold : FontWeight::Normal );
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}
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/*! #
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*/
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bool IsItalic() const;
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/*! #
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*/
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bool IsItalic( const String& style ) const
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{
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return IsItalicFont( Face(), style );
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}
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/*! #
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*/
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void SetItalic( bool = true );
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/*! #
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*/
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bool IsUnderline() const;
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/*! #
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*/
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void SetUnderline( bool = true );
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/*! #
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*/
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bool IsOverline() const;
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/*! #
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*/
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void SetOverline( bool = true );
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/*! #
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*/
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bool IsStrikeOut() const;
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/*! #
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*/
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void SetStrikeOut( bool = true );
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/*! #
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*/
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int Ascent() const;
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/*! #
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*/
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int Descent() const;
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/*! #
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*/
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int Height() const;
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/*! #
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*/
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int LineSpacing() const;
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/*! #
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*/
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bool IsCharDefined( int ) const;
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/*! #
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*/
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int MaxWidth() const;
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/*! #
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*/
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int Width( const String& ) const;
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/*! #
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*/
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int Width( int ch ) const;
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/*! #
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*/
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Rect BoundingRect( const String& ) const;
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/*! #
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*/
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Rect TightBoundingRect( const String& ) const;
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/*! #
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*/
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static StringList AvailableFonts( const String& writingSystem = String() );
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/*! #
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*/
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static StringList AvailableFontWritingSystems( const String& font );
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/*! #
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*/
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static StringList AvailableFontStyles( const String& font );
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/*! #
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*/
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static Array<double> OptimalFontPointSizes( const String& font, const String& style = String() );
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/*! #
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*/
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static bool IsScalableFont( const String& font, const String& style = String() );
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/*! #
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*/
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static bool IsFixedPitchFont( const String& font, const String& style = String() );
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/*! #
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*/
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static bool IsItalicFont( const String& font, const String& style = String() );
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/*! #
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*/
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static int FontWeight( const String& font, const String& style = String() );
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private:
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Font( void* h ) : UIObject( h )
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{
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}
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void* CloneHandle() const override;
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friend class InternalFontEnumerator;
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friend class GraphicsContextBase;
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friend class Control;
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friend class TreeBox;
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};
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// ----------------------------------------------------------------------------
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#endif // __PCL_BUILDING_PIXINSIGHT_APPLICATION
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} // pcl
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#endif // __PCL_Font_h
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// ----------------------------------------------------------------------------
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// EOF pcl/Font.h - Released 2022-03-12T18:59:29Z
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