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DemoRunner: Add FontFeatures Demo
This commit is contained in:
Oli
Oli
parent
d651f6740c
commit
20b6a2c290
2 changed files with 527 additions and 0 deletions
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@ -46,6 +46,7 @@
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#include "../../../GUI/DialogsDemo.h"
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#include "../../../GUI/FlexBoxDemo.h"
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#include "../../../GUI/FontsDemo.h"
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#include "../../../GUI/FontFeaturesDemo.h"
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#include "../../../GUI/GraphicsDemo.h"
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#include "../../../GUI/GridDemo.h"
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#include "../../../GUI/ImagesDemo.h"
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@ -88,6 +89,7 @@ void registerDemos_Two() noexcept
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REGISTER_DEMO (DialogsDemo, GUI, false)
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REGISTER_DEMO (FlexBoxDemo, GUI, false)
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REGISTER_DEMO (FontsDemo, GUI, false)
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REGISTER_DEMO (FontFeaturesDemo, GUI, false)
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REGISTER_DEMO (GraphicsDemo, GUI, false)
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REGISTER_DEMO (GridDemo, GUI, false)
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REGISTER_DEMO (ImagesDemo, GUI, false)
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525
examples/GUI/FontFeaturesDemo.h
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525
examples/GUI/FontFeaturesDemo.h
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@ -0,0 +1,525 @@
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/*
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==============================================================================
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This file is part of the JUCE framework examples.
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Copyright (c) Raw Material Software Limited
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The code included in this file is provided under the terms of the ISC license
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http://www.isc.org/downloads/software-support-policy/isc-license. Permission
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to use, copy, modify, and/or distribute this software for any purpose with or
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without fee is hereby granted provided that the above copyright notice and
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this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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PERFORMANCE OF THIS SOFTWARE.
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==============================================================================
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*/
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/*******************************************************************************
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The block below describes the properties of this PIP. A PIP is a short snippet
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of code that can be read by the Projucer and used to generate a JUCE project.
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BEGIN_JUCE_PIP_METADATA
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name: FontFeaturesDemo
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version: 1.0.0
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vendor: JUCE
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website: http://juce.com
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description: Displays different font features.
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dependencies: juce_core, juce_data_structures, juce_events, juce_graphics,
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juce_gui_basics
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exporters: xcode_mac, vs2022, linux_make, androidstudio, xcode_iphone
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moduleFlags: JUCE_STRICT_REFCOUNTEDPOINTER=1
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type: Component
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mainClass: FontFeaturesDemo
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useLocalCopy: 1
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END_JUCE_PIP_METADATA
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*******************************************************************************/
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#pragma once
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#include "../Assets/DemoUtilities.h"
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static const std::map<FontFeatureTag, std::pair<const char*, const char*>> featureDescriptionMap
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{
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{ "abvs", { "Above-base Substitutions", "\xe0\xa4\x95\xe0\xa4\xbf" } },
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{ "abvf", { "Above-base Forms", "\xe0\xa4\x95\xe0\xa4\x82" } },
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{ "akhn", { "Akhand Ligatures", "\xe0\xa4\x95\xe0\xa5\x8d\xe0\xa4\xb7" } },
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{ "blwf", { "Below-base Forms", "\xe0\xa4\x95\xe0\xa5\x8d\xe0\xa4\xa4" } },
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{ "blws", { "Below-base Substitutions", "\xe0\xa4\x9f\xe0\xa5\x81" } },
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{ "abvm", { "Above-Base Mark Positioning", "\xe0\xa4\x95\xe0\xa4\x82" } },
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{ "blwm", { "Below-Base Mark Positioning", "\xe0\xa4\x95\xe0\xa5\x83\xe0\xa4\xb7\xe0\xa5\x8d\xe0\xa4\xa3" } },
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{ "cjct", { "Conjunct Forms", "\xe0\xa4\x95\xe0\xa5\x8d\xe0\xa4\xa4" } },
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{ "nukt", { "Nukta Forms", "\xe0\xa4\x95\xe0\xa4\xbc" } },
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{ "pres", { "Pre-base Substitutions", "\xe0\xa4\xb0\xe0\xa5\x8d\xe0\xa4\x95" } },
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{ "psts", { "Post-base Substitutions", "\xe0\xa4\x95\xe0\xa5\x8d\xe0\xa4\xaf" } },
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{ "rkrf", { "Rakar Forms", "\xe0\xa4\x9f\xe0\xa5\x8d\xe0\xa4\xb0" } },
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{ "rphf", { "Reph Forms", "\xe0\xa4\xb0\xe0\xa5\x8d\xe0\xa4\x95" } },
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{ "vatu", { "Vattu Variants", "\xe0\xa4\x95\xe0\xa5\x8d\xe0\xa4\xb0" } },
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{ "mark", { "Mark Positioning", "\x72\xc3\xa9\x73\x75\x6d\xc3\xa9" } },
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{ "mkmk", { "Mark to Mark Positioning", "\xe1\xba\xa5" } },
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{ "locl", { "Localized Forms", "This is fancy" } },
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{ "curs", { "Cursive Positioning", "\xd8\xb9\xd8\xb1\xd8\xa8\xd9\x8a" } },
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{ "dist", { "Distances (for complex scripts)", "\xe0\xb9\x80\xe0\xb8\x9b\xe0\xb9\x87\xe0\xb8\x99\xe0\xb9\x84\xe0\xb8\x97\xe0\xb8\xa2" } },
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{ "pref", { "Pre-base Forms", "\xe0\xa4\xb0\xe0\xa5\x8d\xe0\xa4\x95" } },
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{ "pstf", { "Post-base Forms", "\xe0\xa4\x95\xe0\xa5\x8d\xe0\xa4\xaf" } },
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{ "half", { "Half Forms", "\xe0\xa4\x95\xe0\xa5\x8d" } },
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{ "haln", { "Halant Forms", "\xe0\xa4\x95\xe0\xa5\x8d" } },
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{ "fina", { "Terminal Forms", "\xd8\xb9" } },
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{ "init", { "Initial Forms", "\xd8\xb9" } },
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{ "isol", { "Isolated Forms", "\xd8\xb9" } },
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{ "medi", { "Medical Forms", "\xd8\xb9" } },
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{ "rclt", { "Required Contextual Alternates", "\x66\x69" } },
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{ "rvrn", { "Required Variation Alternates", "Aaa" } },
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{ "liga", { "Standard Ligatures", "official flight" } },
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{ "dlig", { "Discretionary Ligatures", "ct sp st" } },
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{ "calt", { "Contextual Alternates", "The Last Bloom" } },
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{ "clig", { "Contextual Ligatures", "swift" } },
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{ "cswh", { "Contextual Swash", "Feeling Good" } },
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{ "hlig", { "Historical Ligatures", "historical finger" } },
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{ "rlig", { "Required Ligatures", "\xd9\x84\xd8\xa7" } },
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{ "ccmp", { "Glyph Composition/Decomposition", "\xc3\xb1" } },
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{ "kern", { "Kerning", "AWAY" } },
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{ "fwid", { "Full Width", "AMA" } },
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{ "hwid", { "Half Width", "AMA" } },
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{ "pwid", { "Proportional Width", "AMA" } },
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{ "twid", { "Third Width", "AMA" } },
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{ "qwid", { "Quarter Widths", "AMA" } },
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{ "smcp", { "Small Capitals", "Small" } },
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{ "c2sc", { "Caps to Small Caps", "CAPS" } },
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{ "pcap", { "Petite Capitals", "Petite" } },
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{ "c2pc", { "Caps to Petite Caps", "CAPS" } },
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{ "unic", { "Unicase", "Mixed case" } },
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{ "case", { "Case-Sensitive Forms", "\x7b\xc2\xbf\x48\x4f\x4c\x41\x21\x7d" } },
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{ "cpsp", { "Capital Spacing", "ALL CAPS" } },
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{ "salt", { "Stylistic Alternates", "Hidden Garden" } },
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{ "aalt", { "Access All Alternates", "a" } },
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{ "swsh", { "Swash", "The Juiciest JUCE" } },
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{ "titl", { "Titling Alternates", "Headline" } },
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{ "hist", { "Historical Forms", "looong s" } },
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{ "rand", { "Randomize Alternates", "Random!" } },
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{ "frac", { "Fractions", "1/2" } },
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{ "afrc", { "Alternative Fractions", "1/2" } },
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{ "numr", { "Numerators", "32" } },
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{ "dnom", { "Denominators", "45" } },
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{ "sups", { "Superscript", "x2" } },
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{ "subs", { "Subscript", "H2O" } },
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{ "sinf", { "Scientific Inferiors", "H2O SOx YCbCr NO2" } },
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{ "mgrk", { "Mathematical Greek", "\xce\x91\xce\xb1\x20\xce\x95\xce\xb5\x20\xce\x94\xce\xb4" } },
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{ "ordn", { "Ordinals", "1st, 2nd, 3rd" } },
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{ "zero", { "Slashed Zero", "0x0001" } },
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{ "pnum", { "Proportional Figures", "0123456789" } },
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{ "tnum", { "Tabular Figures", "0123456789" } },
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{ "lnum", { "Lining Figures", "0123456789" } },
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{ "onum", { "Oldstyle Figures", "0123456789" } },
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{ "jp78", { "Japanese 1978 Forms", "\xe8\xbe\xbb" } },
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{ "jp83", { "Japanese 1983 Forms", "\xe5\x86\x86" } },
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{ "jp90", { "Japanese 1990 Forms", "\xe8\x91\x89" } },
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{ "jp04", { "Japanese 2004 Forms", "\xe9\xaa\xa8" } },
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{ "trad", { "Traditional Forms", "\xe5\x8f\xb0" } },
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{ "vert", { "Vertical Writing", "A" } },
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{ "vrt2", { "Vertical Alternates and Rotation", "\xe2\x80\x94" } },
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{ "size", { "Optical Size", "Text at 12pts" } },
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{ "ornm", { "Ornaments", "zwzwzwzwzwzy" } },
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{ "nalt", { "Alternate Annotation Forms", "\xe3\x81\x82" } },
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{ "expt", { "Export Forms", "apple" } },
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{ "halt", { "Halant Forms", "\xe0\xa4\x95\xe0\xa5\x8d" } },
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{ "hkna", { "Horizontal Kana Alternates", "\xe3\x81\x8b" } },
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{ "hojo", { "Hojo Kanji Forms", "\xe4\xbe\xae" } },
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{ "ital", { "Italics", "Italics" } },
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{ "nlck", { "NLC Kanji Forms", "\xe5\x9c\x8b" } },
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{ "palt", { "Proportional Alternate Widths", "\xe5\x9b\xbd" } },
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{ "ruby", { "Ruby Notation Forms", "\xe6\xbc\xa2" } },
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{ "vkna", { "Vertical Kana Alternates", "\xe3\x81\x8b" } },
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{ "vkrn", { "Vertical Kerning", "AV" } },
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{ "vpal", { "Vertical Alternates and Positioning", "\xe3\x83\xbb" } },
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{ "vhal", { "Vertical Alternates for Hangul", "\xed\x95\x9c" } },
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{ "pkna", { "Proportional Kana", "\xe3\x81\x8b" } },
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{ "requ", { "Required Ligatures", "\x66\x69" } },
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{ "smpl", { "Simplified Forms", "\xe8\xaf\xb4" } },
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{ "reqd", { "Required Contextual Alternates", "\x66\x69" } },
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{ "dpng", { "Diphthongs", "\xc3\xa6" } },
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{ "hope", { "Historical OpenType Processing", "\xc5\xbf" } },
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{ "cpct", { "Centered CJK Punctuation", "\xe3\x80\x82" } },
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{ "rtla", { "Right-to-Left Alternates", "\xd9\xa1" } },
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{ "lfbd", { "Left Bounds", "Left" } },
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{ "rtbd", { "Right Bounds", "Right" } },
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{ "dtls", { "Dotless Forms", "\xc4\xb1" } },
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{ "flac", { "Flattened accent components", "\xc3\xa9" } }
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};
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class FontsListModel : public ListBoxModel
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{
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public:
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FontsListModel()
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{
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Font::findFonts (fonts);
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fonts.removeIf ([] (const Font& f)
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{
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return f.getTypefacePtr()->getSupportedFeatures().empty();
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});
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}
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std::function<void()> onFontSelected;
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int getNumRows() override
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{
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return fonts.size();
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}
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void paintListBoxItem (int rowNumber,
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Graphics& g,
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int width,
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int height,
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bool rowIsSelected) override
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{
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if (rowIsSelected)
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g.fillAll (Colours::lightblue);
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const Font options { FontOptions { getFaceForRow (rowNumber) } };
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AttributedString s;
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s.setWordWrap (AttributedString::none);
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s.setJustification (Justification::centredLeft);
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s.append (getNameForRow (rowNumber),
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options.withPointHeight ((float) height * 0.7f),
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Colours::black);
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s.append (" " + getNameForRow (rowNumber),
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FontOptions{}.withPointHeight ((float) height * 0.5f).withStyle ("Italic"),
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Colours::grey);
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s.draw (g, Rectangle (width, height).expanded (-4, 50).toFloat());
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}
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void selectedRowsChanged (int) override
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{
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NullCheckedInvocation::invoke (onFontSelected);
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}
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Typeface::Ptr getFaceForRow (int rowNumber) const
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{
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return fonts.getReference (rowNumber).getTypefacePtr();
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}
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String getNameForRow (int rowNumber) override
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{
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return fonts.getReference (rowNumber).getTypefaceName();
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}
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private:
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Array<Font> fonts;
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};
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class FeatureListModel : public ListBoxModel
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{
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struct Feature
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{
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FontFeatureTag tag;
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String description;
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String exampleText;
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};
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public:
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FeatureListModel() = default;
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int getNumRows() override
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{
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return (int) features.size();
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}
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void setFont (Typeface::Ptr face)
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{
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if (currentFace == face)
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return;
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features.clear();
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currentFace = face;
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if (currentFace == nullptr)
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return;
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for (auto feature : currentFace->getSupportedFeatures())
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{
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String description;
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String exampleText;
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const auto iter = featureDescriptionMap.find (feature);
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if (iter == featureDescriptionMap.end())
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{
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const auto string = feature.toString();
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// A malformed feature tag can result in a string with less than 4 characters.
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if (string.length() != 4)
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continue;
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const auto isIndexed = std::isalnum ((int) string[2])
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&& std::isalnum ((int) string[3]);
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const auto isStylisticSet = string.startsWith ("ss")
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&& isIndexed;
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const auto isCharacterVariant = string.startsWith ("cv")
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&& isIndexed;
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if (isStylisticSet)
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{
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description << "Stylistic Set " << string.substring (2)
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.getIntValue();
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exampleText << "Some Example Text";
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}
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else if (isCharacterVariant)
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{
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description << "Character Variant " << string.substring (2)
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.getIntValue();
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exampleText << "aBcDeF123";
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}
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else
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{
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description << "Unknown Feature";
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}
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}
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else
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{
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description = String::fromUTF8 (iter->second.first);
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exampleText = String::fromUTF8 (iter->second.second);
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}
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features.push_back ({ feature, description, exampleText });
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}
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}
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void paintListBoxItem (int rowNumber,
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Graphics& g,
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int width,
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int height,
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bool /*rowIsSelected*/) override
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{
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auto feature = features[(size_t) rowNumber];
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const Font baseLineFont { FontOptions { currentFace }.withFeatureDisabled (feature.tag) };
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const Font exampleFont { FontOptions { currentFace }.withFeatureEnabled (feature.tag) };
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auto bounds = Rectangle { width, height }.reduced (10, 3).toFloat();
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Path boundsPath;
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boundsPath.addRoundedRectangle (bounds, 4);
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g.reduceClipRegion (boundsPath);
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g.fillAll (Colours::white);
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bounds.reduce (7, 2);
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auto getGlyphArrangementBoundingBox = [] (const GlyphArrangement& ga)
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{
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return ga.getBoundingBox (0, ga.getNumGlyphs(), true);
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};
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const FontStringPair description[] =
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{
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FontStringPair { FontOptions{}.withPointHeight (15).withStyle ("bold"),
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feature.tag.toString() },
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FontStringPair { FontOptions{}.withPointHeight (15).withStyle ("italic"),
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" - " + feature.description }
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};
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const FontStringPair example[] =
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{
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FontStringPair { baseLineFont.withPointHeight (16),
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feature.exampleText + " " + String::fromUTF8 ("\xe2\x86\x92") },
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FontStringPair { exampleFont.withPointHeight (16),
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feature.exampleText }
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};
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const auto descriptionWidth = getGlyphArrangementBoundingBox (buildMultiFontText (bounds,
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Justification::topLeft,
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description)).getWidth();
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const auto exampleWidth = getGlyphArrangementBoundingBox (buildMultiFontText (bounds,
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Justification::topLeft,
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example)).getWidth();
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const auto exampleBounds = bounds.removeFromRight (exampleWidth);
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const auto descriptionBounds = bounds.removeFromLeft (descriptionWidth);
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auto descriptionGa = buildMultiFontText (descriptionBounds,
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Justification::centredLeft,
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description);
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g.setGradientFill (ColourGradient (Colours::black,
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exampleBounds.getX() - 30.0f,
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0,
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Colours::transparentBlack,
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exampleBounds.getX() - 10.0f,
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0,
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false));
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descriptionGa.draw (g);
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auto exampleGa = buildMultiFontText (exampleBounds,
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Justification::centredLeft,
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example);
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exampleGa.justifyGlyphs (0,
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exampleGa.getNumGlyphs(),
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exampleBounds.getX(),
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exampleBounds.getY(),
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exampleBounds.getWidth(),
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exampleBounds.getHeight(),
|
||||
Justification::centredRight);
|
||||
|
||||
g.setColour (Colours::black);
|
||||
exampleGa.draw (g);
|
||||
|
||||
const FontStringPair strings[] =
|
||||
{
|
||||
FontStringPair { baseLineFont.withPointHeight (16), feature.exampleText },
|
||||
FontStringPair { exampleFont.withPointHeight (16), feature.exampleText }
|
||||
};
|
||||
|
||||
const auto pre = buildMultiFontText (Rectangle<float> { 1000, 50 },
|
||||
Justification::centredLeft,
|
||||
Span { strings, 1 });
|
||||
|
||||
const auto post = buildMultiFontText (Rectangle<float> { 1000, 50 },
|
||||
Justification::centredLeft,
|
||||
Span { strings + 1, 1 });
|
||||
|
||||
if (compareArrangements (pre, post))
|
||||
{
|
||||
g.setColour (Colours::grey.withAlpha (0.6f));
|
||||
g.fillRoundedRectangle (Rectangle { width, height }.reduced (10, 3)
|
||||
.toFloat(), 4);
|
||||
}
|
||||
}
|
||||
|
||||
struct FontStringPair
|
||||
{
|
||||
Font font;
|
||||
String string;
|
||||
};
|
||||
|
||||
static GlyphArrangement buildMultiFontText (Rectangle<float> bounds,
|
||||
Justification justification,
|
||||
Span<const FontStringPair> strings)
|
||||
{
|
||||
GlyphArrangement ga;
|
||||
float offset = 0;
|
||||
|
||||
for (const auto& pair : strings)
|
||||
{
|
||||
ga.addFittedText (pair.font,
|
||||
pair.string,
|
||||
bounds.getX() + offset,
|
||||
bounds.getY(),
|
||||
bounds.getWidth(),
|
||||
bounds.getHeight(),
|
||||
justification,
|
||||
1,
|
||||
1);
|
||||
|
||||
const auto whitespaceWidth = GlyphArrangement::getStringWidth (pair.font, " ");
|
||||
offset = whitespaceWidth + ga.getBoundingBox (0, ga.getNumGlyphs(), true).getWidth();
|
||||
}
|
||||
|
||||
return ga;
|
||||
}
|
||||
|
||||
static bool compareArrangements (const GlyphArrangement& a, const GlyphArrangement& b)
|
||||
{
|
||||
static auto compare = [] (const PositionedGlyph& pgA, const PositionedGlyph& pgB)
|
||||
{
|
||||
const auto tie = [] (const auto& x) { return std::tuple (x.getGlyphIndex(),
|
||||
x.getBounds()); };
|
||||
return tie (pgA) == tie (pgB);
|
||||
};
|
||||
|
||||
return std::equal (a.begin(), a.end(), b.begin(), b.end(), compare);
|
||||
}
|
||||
|
||||
Typeface::Ptr currentFace;
|
||||
std::vector<Feature> features;
|
||||
};
|
||||
|
||||
class FeaturesListComponent : public Component
|
||||
{
|
||||
public:
|
||||
FeaturesListComponent()
|
||||
{
|
||||
featureList.setTitle ("Fonts");
|
||||
featureList.setRowHeight (40);
|
||||
|
||||
addAndMakeVisible (featureList);
|
||||
}
|
||||
|
||||
void setFont (Typeface::Ptr face)
|
||||
{
|
||||
listModel.setFont (face);
|
||||
featureList.updateContent();
|
||||
}
|
||||
|
||||
void resized() override
|
||||
{
|
||||
featureList.setBounds (getLocalBounds());
|
||||
}
|
||||
|
||||
FeatureListModel listModel;
|
||||
ListBox featureList { {}, &listModel };
|
||||
};
|
||||
|
||||
//==============================================================================
|
||||
class FontFeaturesDemo : public Component
|
||||
{
|
||||
public:
|
||||
FontFeaturesDemo()
|
||||
{
|
||||
fontsListBox.setTitle ("Fonts");
|
||||
fontsListBox.setRowHeight (20);
|
||||
fontsListBox.setColour (ListBox::textColourId, Colours::black);
|
||||
fontsListBox.setColour (ListBox::backgroundColourId, Colours::white);
|
||||
|
||||
fontsListModel.onFontSelected = [this]
|
||||
{
|
||||
featureListBox.setFont (fontsListModel.getFaceForRow (fontsListBox.getSelectedRow()));
|
||||
};
|
||||
|
||||
fontsListBox.selectRow (0);
|
||||
|
||||
infoLabel.setFont (FontOptions{}.withPointHeight (16));
|
||||
infoLabel.setText ("Supported Features - "
|
||||
"(Greyed out items are supported but not affected by the example)",
|
||||
dontSendNotification);
|
||||
|
||||
addAndMakeVisible (fontsListBox);
|
||||
addAndMakeVisible (infoLabel);
|
||||
addAndMakeVisible (featureListBox);
|
||||
|
||||
setSize (750, 750);
|
||||
}
|
||||
|
||||
void resized() override
|
||||
{
|
||||
auto bounds = getLocalBounds().reduced (5);
|
||||
|
||||
fontsListBox.setBounds (bounds.removeFromLeft (bounds.proportionOfWidth (0.3f)));
|
||||
infoLabel.setBounds (bounds.removeFromTop (30).reduced (5));
|
||||
featureListBox.setBounds (bounds);
|
||||
}
|
||||
|
||||
private:
|
||||
FontsListModel fontsListModel;
|
||||
ListBox fontsListBox { {}, &fontsListModel };
|
||||
Label infoLabel;
|
||||
FeaturesListComponent featureListBox;
|
||||
|
||||
JUCE_DECLARE_NON_COPYABLE (FontFeaturesDemo)
|
||||
};
|
||||
Loading…
Add table
Add a link
Reference in a new issue