Add setting for line spacing to adjust space between lines (#164)

## Summary

* Add setting for line spacing to adjust space between lines
* Aleo is already a bit tighter than Noto Sans and Open Dyslexic, so
have adjusted the values to match, this can be tweaked in the future

bin/clang-format-fix

@@ -1,3 +1,19 @@
 #!/bin/bash
 
-find src lib \( -name "*.c" -o -name "*.cpp" -o -name "*.h" -o -name "*.hpp" \) -exec clang-format -style=file -i {} +
+GIT_LS_FILES_FLAGS=""
+if [[ "$1" == "-g" ]]; then
+  GIT_LS_FILES_FLAGS="--modified"
+fi
+
+# --- Main Logic ---
+
+# Format all files (or only modified files if -g is passed)
+
+# Use 'git ls-files' to get a list of all files tracked by git:
+# --modified: files tracked by git that have been modified (staged or unstaged)
+# --exclude-standard: ignores files in .gitignore
+# Additionally exclude files in 'lib/EpdFont/builtinFonts/' as they are script-generated.
+git ls-files  --exclude-standard ${GIT_LS_FILES_FLAGS} \
+    | grep -E '\.(c|cpp|h|hpp)$' \
+    | grep -v -E '^lib/EpdFont/builtinFonts/' \
+    | xargs -r clang-format -style=file -i

lib/EpdFont/builtinFonts/all.h

@@ -0,0 +1,55 @@
+#pragma once
+
+#include <builtinFonts/aleo_12_bold.h>
+#include <builtinFonts/aleo_12_bolditalic.h>
+#include <builtinFonts/aleo_12_italic.h>
+#include <builtinFonts/aleo_12_regular.h>
+#include <builtinFonts/aleo_14_bold.h>
+#include <builtinFonts/aleo_14_bolditalic.h>
+#include <builtinFonts/aleo_14_italic.h>
+#include <builtinFonts/aleo_14_regular.h>
+#include <builtinFonts/aleo_16_bold.h>
+#include <builtinFonts/aleo_16_bolditalic.h>
+#include <builtinFonts/aleo_16_italic.h>
+#include <builtinFonts/aleo_16_regular.h>
+#include <builtinFonts/aleo_18_bold.h>
+#include <builtinFonts/aleo_18_bolditalic.h>
+#include <builtinFonts/aleo_18_italic.h>
+#include <builtinFonts/aleo_18_regular.h>
+#include <builtinFonts/notosans_12_bold.h>
+#include <builtinFonts/notosans_12_bolditalic.h>
+#include <builtinFonts/notosans_12_italic.h>
+#include <builtinFonts/notosans_12_regular.h>
+#include <builtinFonts/notosans_14_bold.h>
+#include <builtinFonts/notosans_14_bolditalic.h>
+#include <builtinFonts/notosans_14_italic.h>
+#include <builtinFonts/notosans_14_regular.h>
+#include <builtinFonts/notosans_16_bold.h>
+#include <builtinFonts/notosans_16_bolditalic.h>
+#include <builtinFonts/notosans_16_italic.h>
+#include <builtinFonts/notosans_16_regular.h>
+#include <builtinFonts/notosans_18_bold.h>
+#include <builtinFonts/notosans_18_bolditalic.h>
+#include <builtinFonts/notosans_18_italic.h>
+#include <builtinFonts/notosans_18_regular.h>
+#include <builtinFonts/opendyslexic_10_bold.h>
+#include <builtinFonts/opendyslexic_10_bolditalic.h>
+#include <builtinFonts/opendyslexic_10_italic.h>
+#include <builtinFonts/opendyslexic_10_regular.h>
+#include <builtinFonts/opendyslexic_12_bold.h>
+#include <builtinFonts/opendyslexic_12_bolditalic.h>
+#include <builtinFonts/opendyslexic_12_italic.h>
+#include <builtinFonts/opendyslexic_12_regular.h>
+#include <builtinFonts/opendyslexic_14_bold.h>
+#include <builtinFonts/opendyslexic_14_bolditalic.h>
+#include <builtinFonts/opendyslexic_14_italic.h>
+#include <builtinFonts/opendyslexic_14_regular.h>
+#include <builtinFonts/opendyslexic_8_bold.h>
+#include <builtinFonts/opendyslexic_8_bolditalic.h>
+#include <builtinFonts/opendyslexic_8_italic.h>
+#include <builtinFonts/opendyslexic_8_regular.h>
+#include <builtinFonts/spacegrotesk.h>
+#include <builtinFonts/ubuntu_10_bold.h>
+#include <builtinFonts/ubuntu_10_regular.h>
+#include <builtinFonts/ubuntu_12_bold.h>
+#include <builtinFonts/ubuntu_12_regular.h>

lib/EpdFont/builtinFonts/source/Aleo/OFL.txt

@@ -0,0 +1,93 @@
+Copyright 2018 The Aleo Project Authors (https://github.com/AlessioLaiso/aleo)
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+https://openfontlicense.org
+
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded, 
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.

lib/EpdFont/builtinFonts/source/NotoSans/OFL.txt

@@ -0,0 +1,93 @@
+Copyright 2022 The Noto Project Authors (https://github.com/notofonts/latin-greek-cyrillic)
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+https://openfontlicense.org
+
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded, 
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.

lib/EpdFont/builtinFonts/source/OpenDyslexic/OFL.txt

@@ -0,0 +1,94 @@
+Copyright (c) 2019-07-29, Abbie Gonzalez (https://abbiecod.es|support@abbiecod.es),
+with Reserved Font Name OpenDyslexic.
+Copyright (c) 12/2012 - 2019
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+http://scripts.sil.org/OFL
+
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded,
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.

lib/EpdFont/builtinFonts/source/SpaceGrotesk/OFL.txt

@@ -0,0 +1,93 @@
+Copyright 2020 The Space Grotesk Project Authors (https://github.com/floriankarsten/space-grotesk)
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+https://openfontlicense.org
+
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded, 
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.

lib/EpdFont/builtinFonts/source/Ubuntu/UFL.txt

@@ -0,0 +1,96 @@
+-------------------------------
+UBUNTU FONT LICENCE Version 1.0
+-------------------------------
+
+PREAMBLE
+This licence allows the licensed fonts to be used, studied, modified and
+redistributed freely. The fonts, including any derivative works, can be
+bundled, embedded, and redistributed provided the terms of this licence
+are met. The fonts and derivatives, however, cannot be released under
+any other licence. The requirement for fonts to remain under this
+licence does not require any document created using the fonts or their
+derivatives to be published under this licence, as long as the primary
+purpose of the document is not to be a vehicle for the distribution of
+the fonts.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this licence and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Original Version" refers to the collection of Font Software components
+as received under this licence.
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to
+a new environment.
+
+"Copyright Holder(s)" refers to all individuals and companies who have a
+copyright ownership of the Font Software.
+
+"Substantially Changed" refers to Modified Versions which can be easily
+identified as dissimilar to the Font Software by users of the Font
+Software comparing the Original Version with the Modified Version.
+
+To "Propagate" a work means to do anything with it that, without
+permission, would make you directly or secondarily liable for
+infringement under applicable copyright law, except executing it on a
+computer or modifying a private copy. Propagation includes copying,
+distribution (with or without modification and with or without charging
+a redistribution fee), making available to the public, and in some
+countries other activities as well.
+
+PERMISSION & CONDITIONS
+This licence does not grant any rights under trademark law and all such
+rights are reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of the Font Software, to propagate the Font Software, subject to
+the below conditions:
+
+1) Each copy of the Font Software must contain the above copyright
+notice and this licence. These can be included either as stand-alone
+text files, human-readable headers or in the appropriate machine-
+readable metadata fields within text or binary files as long as those
+fields can be easily viewed by the user.
+
+2) The font name complies with the following:
+(a) The Original Version must retain its name, unmodified.
+(b) Modified Versions which are Substantially Changed must be renamed to
+avoid use of the name of the Original Version or similar names entirely.
+(c) Modified Versions which are not Substantially Changed must be
+renamed to both (i) retain the name of the Original Version and (ii) add
+additional naming elements to distinguish the Modified Version from the
+Original Version. The name of such Modified Versions must be the name of
+the Original Version, with "derivative X" where X represents the name of
+the new work, appended to that name.
+
+3) The name(s) of the Copyright Holder(s) and any contributor to the
+Font Software shall not be used to promote, endorse or advertise any
+Modified Version, except (i) as required by this licence, (ii) to
+acknowledge the contribution(s) of the Copyright Holder(s) or (iii) with
+their explicit written permission.
+
+4) The Font Software, modified or unmodified, in part or in whole, must
+be distributed entirely under this licence, and must not be distributed
+under any other licence. The requirement for fonts to remain under this
+licence does not affect any document created using the Font Software,
+except any version of the Font Software extracted from a document
+created using the Font Software may only be distributed under this
+licence.
+
+TERMINATION
+This licence becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
+COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM OTHER
+DEALINGS IN THE FONT SOFTWARE.

lib/EpdFont/builtinFonts/spacegrotesk.h

@@ -0,0 +1,826 @@
+/**
+ * generated by fontconvert.py
+ * name: spacegrotesk
+ * size: 8
+ * mode: 1-bit
+ */
+#pragma once
+#include "EpdFontData.h"
+
+static const uint8_t spacegroteskBitmaps[5331] = {
+    0x66, 0x66, 0x66, 0x66, 0x60, 0x67, 0x20, 0x00, 0xF9, 0xF1, 0xA6, 0xC0, 0x00, 0x33, 0x0C, 0xC3,
+    0x31, 0xFF, 0xFF, 0xCC, 0xC3, 0x33, 0xFF, 0xFF, 0xCC, 0xC3, 0x30, 0xCC, 0x0C, 0x03, 0x03, 0xF1,
+    0xFE, 0x6D, 0x9B, 0x77, 0xC8, 0xF8, 0x1F, 0x93, 0x7E, 0xCD, 0xB3, 0x7F, 0x8F, 0xE0, 0xC0, 0x30,
+    0x78, 0x37, 0xE3, 0x33, 0x39, 0x9B, 0x87, 0xD8, 0x1D, 0x80, 0x19, 0x01, 0xFE, 0x1D, 0xB8, 0xCC,
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+    0x0D, 0x83, 0x61, 0x9C, 0xE3, 0xF0, 0x30, 0x32, 0x0F, 0x81, 0xC0, 0xF8, 0x7F, 0xB8, 0x6C, 0x1B,
+    0x07, 0xC1, 0xF0, 0x7C, 0x1F, 0x06, 0xC1, 0xBD, 0xE7, 0xF0, 0x70, 0x33, 0x07, 0xC1, 0xE0, 0x38,
+    0x3F, 0x1C, 0xE6, 0x1D, 0x83, 0x60, 0xD8, 0x67, 0x38, 0xFC, 0x0C, 0x00, 0x1F, 0x0F, 0x83, 0x40,
+    0xF8, 0x7F, 0xB8, 0x6C, 0x1B, 0x07, 0xC1, 0xF0, 0x7C, 0x1F, 0x06, 0xC1, 0xBD, 0xE7, 0xF0, 0x70,
+    0x0F, 0x06, 0xC1, 0xE0, 0x38, 0x3F, 0x1C, 0xE6, 0x1D, 0x83, 0x60, 0xD8, 0x67, 0x38, 0xFC, 0x0C,
+    0x00, 0x1F, 0xF3, 0xFF, 0xB9, 0x81, 0x8C, 0x0C, 0x60, 0x63, 0xFB, 0x1F, 0xD8, 0xC0, 0xC6, 0x07,
+    0x30, 0x1F, 0xFC, 0x7F, 0xF0, 0x0E, 0x1C, 0x1F, 0xBF, 0x1C, 0xF8, 0xCC, 0x38, 0x66, 0x0F, 0xF3,
+    0x07, 0xF9, 0x87, 0x0C, 0xE7, 0xCE, 0x3F, 0x7E, 0x06, 0x0C, 0x00, 0x0C, 0x0E, 0x06, 0x1F, 0xCF,
+    0xF6, 0x0F, 0x07, 0x83, 0xC3, 0xFF, 0xBF, 0xF8, 0x7C, 0x3E, 0x1F, 0x0E, 0x19, 0x8C, 0x3F, 0xF3,
+    0x18, 0xC6, 0x31, 0x80, 0xFE, 0x7F, 0xB0, 0x78, 0x3C, 0x1E, 0x1F, 0xFD, 0xFF, 0xC3, 0xE1, 0xF0,
+    0xF8, 0x70, 0x00, 0xC0, 0x70, 0x38, 0x18, 0x00, 0x1F, 0xF9, 0x8C, 0x63, 0x18, 0xC0, 0x31, 0x8C,
+    0x60, 0x66, 0x1E, 0x06, 0x1F, 0xCF, 0xF6, 0x0F, 0x07, 0x83, 0xC3, 0xFF, 0xBF, 0xF8, 0x7C, 0x3E,
+    0x1F, 0x0E, 0x6C, 0xF8, 0xE0, 0x67, 0xCE, 0x18, 0x30, 0x60, 0xC1, 0x83, 0x00, 0x06, 0x03, 0x80,
+    0xC0, 0xFC, 0x7F, 0x98, 0x66, 0x1D, 0xC2, 0x3E, 0x07, 0xE4, 0x1F, 0x83, 0x60, 0xDC, 0xE3, 0xF8,
+    0x30, 0x0C, 0x0C, 0x18, 0x1C, 0x7E, 0x63, 0x62, 0x7E, 0x1F, 0x63, 0x63, 0x3F, 0x0C, 0x0E, 0x07,
+    0xC3, 0x30, 0xFC, 0x7F, 0x98, 0x66, 0x1D, 0xC2, 0x3E, 0x07, 0xE4, 0x1F, 0x83, 0x60, 0xDC, 0xE3,
+    0xF8, 0x30, 0x1C, 0x3E, 0x76, 0x1C, 0x7E, 0x63, 0x62, 0x7E, 0x1F, 0x63, 0x63, 0x3F, 0x0C, 0x3F,
+    0x1F, 0xE6, 0x19, 0x87, 0x70, 0x8F, 0x81, 0xF9, 0x07, 0xE0, 0xD8, 0x37, 0x38, 0xFE, 0x0E, 0x01,
+    0x81, 0xE0, 0x38, 0x1C, 0x7E, 0x63, 0x62, 0x7E, 0x1F, 0x63, 0x63, 0x3F, 0x0C, 0x0E, 0x1E, 0x1C,
+    0x33, 0x07, 0x80, 0xC0, 0xFC, 0x7F, 0x98, 0x66, 0x1D, 0xC2, 0x3E, 0x07, 0xE4, 0x1F, 0x83, 0x60,
+    0xDC, 0xE3, 0xF8, 0x30, 0x66, 0x3E, 0x1C, 0x1C, 0x7E, 0x63, 0x62, 0x7E, 0x1F, 0x63, 0x63, 0x3F,
+    0x0C, 0xFF, 0xFF, 0xF0, 0xC0, 0x30, 0x0C, 0x03, 0x00, 0xC0, 0x30, 0x0C, 0x03, 0x00, 0xC0, 0x30,
+    0x0C, 0x03, 0x81, 0xE0, 0x30, 0x00, 0x30, 0x63, 0xFF, 0xE3, 0x06, 0x0C, 0x18, 0x30, 0x70, 0xF1,
+    0x83, 0x8F, 0x0C, 0x33, 0x07, 0x80, 0xC3, 0xFF, 0xFF, 0xC3, 0x00, 0xC0, 0x30, 0x0C, 0x03, 0x00,
+    0xC0, 0x30, 0x0C, 0x03, 0x00, 0xC0, 0x06, 0x06, 0x1E, 0x1E, 0x7E, 0xFE, 0x18, 0x18, 0x18, 0x18,
+    0x18, 0x1C, 0x1E, 0xFF, 0xFF, 0xF0, 0xC0, 0x30, 0x0C, 0x0F, 0xC3, 0xF0, 0x30, 0x0C, 0x03, 0x00,
+    0xC0, 0x30, 0x00, 0x30, 0x63, 0xFF, 0xE3, 0x06, 0x7F, 0xFE, 0x30, 0x70, 0xF0, 0x3A, 0x1F, 0x09,
+    0x18, 0x3C, 0x1E, 0x0F, 0x07, 0x83, 0xC1, 0xE0, 0xF0, 0x78, 0x3C, 0x1F, 0xBD, 0xFC, 0x38, 0x10,
+    0x7E, 0x6C, 0x01, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xE7, 0x7F, 0x10, 0x3E, 0x1F, 0x30, 0x78,
+    0x3C, 0x1E, 0x0F, 0x07, 0x83, 0xC1, 0xE0, 0xF0, 0x78, 0x3F, 0x7B, 0xF8, 0x70, 0x7E, 0x7E, 0x01,
+    0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xE7, 0x7F, 0x10, 0x32, 0x1F, 0x07, 0x18, 0x3C, 0x1E, 0x0F,
+    0x07, 0x83, 0xC1, 0xE0, 0xF0, 0x78, 0x3C, 0x1F, 0xBD, 0xFC, 0x38, 0x66, 0x7E, 0x3C, 0x01, 0xC3,
+    0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xE7, 0x7F, 0x10, 0x1C, 0x0F, 0x07, 0x03, 0x8C, 0x1E, 0x0F, 0x07,
+    0x83, 0xC1, 0xE0, 0xF0, 0x78, 0x3C, 0x1E, 0x0F, 0xDE, 0xFE, 0x1C, 0x00, 0x08, 0x3C, 0x3C, 0x3C,
+    0x01, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xE7, 0x7F, 0x10, 0x1F, 0x1B, 0x0D, 0x18, 0x3C, 0x1E,
+    0x0F, 0x07, 0x83, 0xC1, 0xE0, 0xF0, 0x78, 0x3C, 0x1F, 0xBD, 0xFC, 0x38, 0x16, 0x36, 0x3C, 0x01,
+    0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xC3, 0xE7, 0x7F, 0x10, 0xC1, 0xE0, 0xF0, 0x78, 0x3C, 0x1E, 0x0F,
+    0x07, 0x83, 0xC1, 0xE0, 0xFD, 0xEF, 0xE1, 0xE0, 0x30, 0x18, 0x01, 0x61, 0xB0, 0xD8, 0x6C, 0x36,
+    0x1B, 0x0D, 0xCE, 0x7F, 0x09, 0x80, 0xE0, 0x70, 0x03, 0x80, 0x1F, 0x00, 0xCC, 0x30, 0xE3, 0xE7,
+    0x8D, 0x9E, 0x36, 0x6C, 0xD9, 0xB3, 0x66, 0xDD, 0xBB, 0x66, 0xCD, 0x8F, 0x3E, 0x3C, 0x78, 0xF1,
+    0xE3, 0xC7, 0x80, 0x07, 0x00, 0x7C, 0x03, 0x70, 0x84, 0x26, 0x71, 0xB3, 0xDD, 0x9E, 0xCD, 0xB6,
+    0x6D, 0xB1, 0xE7, 0x8F, 0x3C, 0x71, 0xC0, 0x0E, 0x07, 0xC3, 0x33, 0x03, 0xE1, 0xD8, 0x63, 0x38,
+    0xEC, 0x1E, 0x07, 0x80, 0xC0, 0x30, 0x0C, 0x03, 0x00, 0xC0, 0x18, 0x3C, 0x66, 0x01, 0xC3, 0xC3,
+    0xC3, 0xC3, 0xC3, 0xC3, 0xE7, 0x7F, 0x13, 0x03, 0x7F, 0x7E, 0x33, 0x0F, 0xC1, 0x23, 0x03, 0xE1,
+    0xD8, 0x63, 0x38, 0xEC, 0x1E, 0x07, 0x80, 0xC0, 0x30, 0x0C, 0x03, 0x00, 0xC0, 0x0E, 0x06, 0x02,
+    0x0F, 0xF7, 0xF8, 0x1C, 0x0C, 0x0C, 0x0E, 0x0E, 0x0E, 0x06, 0x06, 0x07, 0xFF, 0xFE, 0x18, 0x30,
+    0xC7, 0xEF, 0xE1, 0xC7, 0x1C, 0x71, 0xC3, 0xF7, 0xF0, 0x0C, 0x0E, 0x02, 0x0F, 0xF7, 0xF8, 0x1C,
+    0x0C, 0x0C, 0x0E, 0x0E, 0x0E, 0x06, 0x06, 0x07, 0xFF, 0xFE, 0x30, 0x70, 0xC7, 0xEF, 0xE1, 0xC7,
+    0x1C, 0x71, 0xC3, 0xF7, 0xF0, 0x37, 0x0F, 0x03, 0x0F, 0xF7, 0xF8, 0x1C, 0x0C, 0x0C, 0x0E, 0x0E,
+    0x0E, 0x06, 0x06, 0x07, 0xFF, 0xFE, 0xCC, 0xF8, 0xE7, 0xEF, 0xE1, 0xC7, 0x1C, 0x71, 0xC3, 0xF7,
+    0xF0, 0x3C, 0xF3, 0x1C, 0xF0, 0xC3, 0x0C, 0x30, 0xC3, 0x0C, 0x67, 0x30, 0x36, 0x60, 0x38, 0x79,
+    0xB8, 0x20, 0xF9, 0x70, 0x7C, 0xF8, 0x4D, 0xF7, 0x80, 0x6D, 0x80, 0x6C, 0xD9, 0xB0, 0x73, 0xCE,
+    0x60, 0x23, 0x96, 0xE0, 0x6D, 0xB7, 0x80, 0x66, 0xF8, 0xE0, 0x79, 0xB3, 0xC0, 0x39, 0xF4, 0xC0,
+    0x69, 0xB0, 0x66, 0x60, 0x6D, 0x00, 0x6C, 0xD9, 0x00, 0x6D, 0xA0, 0x21, 0x8E, 0xF7, 0x00, 0x44,
+    0x66, 0x4D, 0xF3, 0x80, 0x7C, 0xF8, 0x7C, 0xFC, 0x7F, 0xF7, 0xFF, 0x00, 0x03, 0x06, 0x06, 0x0C,
+    0x18, 0x18, 0x30, 0x30, 0x60, 0x40, 0x00, 0x03, 0x06, 0x06, 0x06, 0x0C, 0x0C, 0x08, 0x18, 0x18,
+    0x30, 0x30, 0x20, 0x60, 0x60, 0x40, 0xFF, 0xE0, 0xFF, 0x7F, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xC0, 0xFF, 0xFF, 0xFF, 0xC0, 0x06, 0x46, 0x60, 0x06, 0x73, 0x60, 0x06, 0x73, 0x60, 0x00, 0xD9,
+    0x63, 0xE7, 0xC0, 0x00, 0x00, 0xF9, 0xF1, 0xA6, 0xC0, 0x00, 0x00, 0xF9, 0xF1, 0xA6, 0xC0, 0x00,
+    0x18, 0x18, 0x18, 0x7E, 0xFF, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xFE,
+    0xFF, 0x18, 0x18, 0xFE, 0xFF, 0x18, 0x18, 0x18, 0x6F, 0xFF, 0xF0, 0x00, 0x0D, 0xDD, 0xFB, 0x92,
+    0x20, 0x78, 0x30, 0xFC, 0x60, 0xCC, 0xE0, 0xCD, 0xC0, 0x7D, 0x80, 0x3B, 0x00, 0x06, 0x44, 0x0F,
+    0xFF, 0x1D, 0xBB, 0x19, 0x33, 0x31, 0xBB, 0x61, 0xFF, 0x00, 0x44, 0x6D, 0xA4, 0x6D, 0xE7, 0x96,
+    0x58, 0x06, 0x3D, 0xE7, 0x07, 0x07, 0x83, 0x83, 0xC3, 0xC7, 0x87, 0x1D, 0xEE, 0x20, 0x00, 0x60,
+    0x18, 0x07, 0x01, 0xC0, 0x30, 0x0C, 0x03, 0x00, 0xC0, 0x38, 0x06, 0x01, 0x80, 0x60, 0x00, 0x00,
+    0x70, 0x6E, 0x1D, 0xC3, 0x00, 0xC0, 0x30, 0x0E, 0x03, 0x80, 0x60, 0x18, 0x06, 0x19, 0x87, 0xB0,
+    0xF0, 0x04, 0x0F, 0x05, 0x0F, 0x8F, 0xEF, 0xFE, 0xFF, 0x7F, 0xA8, 0xFC, 0x7E, 0xFF, 0x7F, 0xBF,
+    0xFB, 0xF9, 0xF0, 0xF0, 0x3F, 0x8F, 0xE3, 0x00, 0xC0, 0x30, 0x0F, 0xE3, 0xF8, 0xC0, 0x7C, 0x3F,
+    0x83, 0x00, 0xC0, 0x1F, 0x0F, 0xE3, 0x1C, 0xC3, 0x30, 0xDF, 0x03, 0x01, 0xF0, 0x30, 0x0C, 0x07,
+    0xF9, 0xFF, 0x38, 0x63, 0xC6, 0x3C, 0x63, 0xC6, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x33, 0x63,
+    0x3E, 0x31, 0xE3, 0x1E, 0x3F, 0x83, 0xFC, 0x30, 0xCF, 0xFF, 0xFF, 0xF3, 0x1C, 0x3F, 0xC3, 0xF0,
+    0x30, 0x03, 0x00, 0x30, 0x03, 0x00, 0x63, 0xC6, 0x63, 0xC6, 0x63, 0xCE, 0x63, 0xCC, 0xFF, 0xFE,
+    0xFF, 0xFE, 0xFF, 0xFE, 0xFF, 0xFE, 0x36, 0x6C, 0x3C, 0x78, 0x3C, 0x78, 0x1C, 0x38, 0x00, 0xC0,
+    0xFC, 0x1F, 0x8E, 0x63, 0xFC, 0xE3, 0x98, 0x73, 0x06, 0x60, 0xCC, 0x39, 0xCF, 0x1F, 0xE0, 0xC0,
+    0xFF, 0x80, 0x1F, 0x87, 0xF8, 0xC3, 0x98, 0x3F, 0xC7, 0xFC, 0x3F, 0x07, 0xF3, 0x70, 0x66, 0x1C,
+    0xF7, 0x0F, 0xE0, 0x60, 0x30, 0xC6, 0x38, 0xCE, 0x1B, 0x83, 0xE1, 0xFF, 0x3F, 0xE1, 0xF0, 0x37,
+    0x06, 0x70, 0xC7, 0x18, 0x70, 0x3F, 0x83, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xF7, 0xFF, 0x3F, 0xC3,
+    0xF0, 0x30, 0x03, 0x00, 0x30, 0x03, 0x00, 0x08, 0x06, 0x0F, 0x8F, 0xEE, 0xDE, 0x6F, 0x37, 0x98,
+    0xCF, 0xE7, 0xF3, 0x79, 0xBF, 0xFB, 0xFC, 0x70, 0x18, 0x08, 0x06, 0x0F, 0x8F, 0xEE, 0xDE, 0x6F,
+    0x37, 0x98, 0xCC, 0x66, 0xF3, 0x79, 0xBF, 0xFB, 0xF8, 0x70, 0x18, 0xFF, 0xFF, 0xE0, 0x63, 0xFF,
+    0xFF, 0x81, 0x8F, 0xE3, 0xF8, 0x06, 0x01, 0x80, 0x60, 0x18, 0x30, 0x18, 0x0F, 0x0F, 0x8F, 0x01,
+    0xE3, 0xE7, 0x63, 0x31, 0x99, 0x8F, 0xC7, 0xC0, 0x0C, 0x03, 0x03, 0xF1, 0xFE, 0xED, 0xB3, 0x7C,
+    0xCF, 0x33, 0xCC, 0xF3, 0x3C, 0xCF, 0x33, 0xC0, 0xF0, 0x30, 0x3F, 0x87, 0xF8, 0xC3, 0x18, 0x73,
+    0x0C, 0xFF, 0xBF, 0xE1, 0x80, 0xFF, 0x06, 0x00, 0xC0, 0x18, 0x00, 0x1E, 0x07, 0x8F, 0xF3, 0xFE,
+    0x30, 0xCC, 0x33, 0x0C, 0xFE, 0x3F, 0x8C, 0x73, 0x0C, 0xC3, 0xFF, 0xFF, 0xE1, 0xE0, 0x78, 0x08,
+    0x00, 0xE0, 0x0E, 0x00, 0xE0, 0x0F, 0xFF, 0xBF, 0xFC, 0xC0, 0x03, 0x00, 0x0C, 0x00, 0x00, 0x00,
+    0x0C, 0x07, 0x83, 0xF1, 0xF6, 0x6C, 0xC3, 0x00, 0xC0, 0x30, 0x0C, 0x03, 0x00, 0xC0, 0x30, 0x00,
+    0x80, 0x06, 0x00, 0x18, 0x00, 0x6F, 0xFF, 0xBF, 0xFC, 0x01, 0xC0, 0x1C, 0x00, 0xC0, 0x00, 0x00,
+    0x0C, 0x03, 0x00, 0xC0, 0x30, 0x0C, 0x03, 0x00, 0xC1, 0x32, 0x6D, 0xCF, 0xE1, 0xF0, 0x38, 0x00,
+    0x00, 0x08, 0x80, 0xE6, 0x0E, 0x18, 0xE0, 0x6F, 0xFF, 0xBF, 0xFC, 0xC1, 0xC3, 0x1C, 0x0C, 0xC0,
+    0x00, 0x00, 0x0C, 0x07, 0x83, 0xF1, 0xF6, 0x6C, 0xC3, 0x00, 0xC1, 0x32, 0x6D, 0xCF, 0xE1, 0xF0,
+    0x38, 0x00, 0x00, 0x7C, 0x7F, 0x38, 0x1E, 0x0F, 0x86, 0xE3, 0x38, 0x0E, 0x03, 0x80, 0x00, 0x1F,
+    0x1F, 0xC0, 0xE0, 0xF0, 0xF8, 0xEC, 0xE6, 0xE0, 0xE0, 0x00, 0x00, 0x00, 0x70, 0x1C, 0x27, 0x31,
+    0xD8, 0x7C, 0x1E, 0x3F, 0x3F, 0x80, 0x00, 0x01, 0xE1, 0xD9, 0xCD, 0xC7, 0xC3, 0xC1, 0xF8, 0xFE,
+    0x00, 0x38, 0x1E, 0x03, 0x87, 0xE7, 0xF7, 0x3B, 0x0F, 0x83, 0xC1, 0xE1, 0xB9, 0xCF, 0xC1, 0x80,
+    0x01, 0x03, 0xC3, 0xF9, 0xDE, 0x66, 0xDB, 0xB6, 0xCD, 0xB3, 0x7B, 0x8F, 0xC3, 0xC0, 0xC0, 0x0E,
+    0x07, 0x81, 0xE0, 0x6C, 0x33, 0x0C, 0xC3, 0x39, 0xC6, 0x61, 0x98, 0x67, 0xFF, 0xFF, 0xFF, 0x7F,
+    0xB0, 0xD8, 0x6C, 0x36, 0x1B, 0x0D, 0x86, 0xC3, 0x61, 0xB0, 0xD8, 0x6C, 0x36, 0x1B, 0x0D, 0x82,
+    0x7F, 0xDF, 0xF6, 0x00, 0xC0, 0x38, 0x07, 0x00, 0xC0, 0x18, 0x0E, 0x03, 0x01, 0x80, 0xE0, 0x70,
+    0x18, 0x07, 0xFD, 0xFF, 0xFF, 0xFF, 0x06, 0x0C, 0x30, 0x60, 0xC3, 0x06, 0x0C, 0x30, 0x60, 0xC3,
+    0x06, 0x0C, 0x30, 0x60, 0xC0, 0x77, 0xBF, 0xE0, 0x00, 0x00, 0xC0, 0x30, 0x0C, 0x06, 0x01, 0x80,
+    0x60, 0x18, 0x0C, 0x73, 0x3C, 0xC3, 0x30, 0x78, 0x1E, 0x07, 0x81, 0xE0, 0x13, 0x1F, 0xE6, 0xCD,
+    0xB3, 0x7F, 0x8E, 0xE0, 0x1C, 0xF3, 0x0C, 0x30, 0xC3, 0x0C, 0x30, 0xC3, 0x0C, 0x30, 0xCF, 0x38,
+    0x3B, 0x7F, 0xCE, 0x3B, 0x7F, 0xCE, 0x00, 0x0C, 0x0C, 0xFF, 0xFF, 0x7F, 0xFF, 0x30, 0x30, 0x01,
+    0x0F, 0x3E, 0xF0, 0xF0, 0x7C, 0x1F, 0x03, 0x7F, 0xFF, 0xC0, 0xF0, 0x7E, 0x0F, 0x07, 0x3E, 0xF8,
+    0xC0, 0x7F, 0xFF,
+};
+
+static const EpdGlyph spacegroteskGlyphs[] = {
+    { 0, 0, 10, 0, 0, 0, 0 }, // 
+    { 0, 0, 4, 0, 0, 0, 0 }, //  
+    { 4, 13, 4, 0, 12, 7, 0 }, // !
+    { 7, 6, 7, 0, 13, 6, 7 }, // "
+    { 10, 12, 10, 0, 12, 15, 13 }, // #
+    { 10, 16, 10, 0, 14, 20, 28 }, // $
+    { 13, 13, 13, 0, 12, 22, 48 }, // %
+    { 10, 12, 10, 0, 12, 15, 70 }, // &
+    { 4, 6, 4, 0, 13, 3, 85 }, // '
+    { 6, 17, 6, 1, 13, 13, 88 }, // (
+    { 6, 17, 6, 0, 13, 13, 101 }, // )
+    { 8, 8, 9, 0, 12, 8, 114 }, // *
+    { 8, 8, 10, 1, 10, 8, 122 }, // +
+    { 4, 6, 4, 0, 3, 3, 130 }, // ,
+    { 6, 2, 8, 1, 5, 2, 133 }, // -
+    { 4, 4, 4, 0, 3, 2, 135 }, // .
+    { 7, 16, 6, 0, 12, 14, 137 }, // /
+    { 9, 13, 11, 1, 12, 15, 151 }, // 0
+    { 6, 12, 7, 0, 12, 9, 166 }, // 1
+    { 10, 12, 10, 0, 12, 15, 175 }, // 2
+    { 10, 13, 10, 0, 12, 17, 190 }, // 3
+    { 10, 12, 10, 0, 12, 15, 207 }, // 4
+    { 10, 13, 10, 0, 12, 17, 222 }, // 5
+    { 9, 13, 10, 1, 12, 15, 239 }, // 6
+    { 9, 12, 9, 0, 12, 14, 254 }, // 7
+    { 10, 13, 10, 0, 12, 17, 268 }, // 8
+    { 10, 13, 10, 0, 12, 17, 285 }, // 9
+    { 4, 10, 4, 0, 9, 5, 302 }, // :
+    { 4, 12, 4, 0, 9, 6, 307 }, // ;
+    { 8, 8, 10, 1, 10, 8, 313 }, // <
+    { 8, 5, 10, 1, 8, 5, 321 }, // =
+    { 8, 8, 10, 1, 10, 8, 326 }, // >
+    { 9, 13, 10, 0, 12, 15, 334 }, // ?
+    { 15, 16, 17, 1, 12, 30, 349 }, // @
+    { 11, 12, 11, 0, 12, 17, 379 }, // A
+    { 11, 12, 11, 0, 12, 17, 396 }, // B
+    { 9, 13, 11, 1, 12, 15, 413 }, // C
+    { 11, 12, 11, 0, 12, 17, 428 }, // D
+    { 8, 12, 9, 1, 12, 12, 445 }, // E
+    { 8, 12, 9, 1, 12, 12, 457 }, // F
+    { 9, 13, 11, 1, 12, 15, 469 }, // G
+    { 9, 12, 11, 1, 12, 14, 484 }, // H
+    { 2, 12, 4, 1, 12, 3, 498 }, // I
+    { 10, 13, 10, 0, 12, 17, 501 }, // J
+    { 9, 12, 10, 1, 12, 14, 518 }, // K
+    { 8, 12, 9, 1, 12, 12, 532 }, // L
+    { 13, 12, 14, 1, 12, 20, 544 }, // M
+    { 9, 12, 11, 1, 12, 14, 564 }, // N
+    { 10, 13, 11, 1, 12, 17, 578 }, // O
+    { 9, 12, 10, 1, 12, 14, 595 }, // P
+    { 10, 15, 11, 1, 12, 19, 609 }, // Q
+    { 9, 12, 11, 1, 12, 14, 628 }, // R
+    { 10, 13, 10, 0, 12, 17, 642 }, // S
+    { 10, 12, 10, 0, 12, 15, 659 }, // T
+    { 9, 13, 11, 1, 12, 15, 674 }, // U
+    { 10, 12, 10, 0, 12, 15, 689 }, // V
+    { 14, 12, 15, 0, 12, 21, 704 }, // W
+    { 11, 12, 11, 0, 12, 17, 725 }, // X
+    { 10, 12, 10, 0, 12, 15, 742 }, // Y
+    { 9, 12, 10, 0, 12, 14, 757 }, // Z
+    { 5, 17, 6, 1, 13, 11, 771 }, // [
+    { 8, 16, 6, -1, 12, 16, 782 }, // <backslash>
+    { 5, 17, 6, 0, 13, 11, 798 }, // ]
+    { 9, 5, 10, 1, 12, 6, 809 }, // ^
+    { 9, 3, 10, 1, 0, 4, 815 }, // _
+    { 4, 3, 5, 0, 12, 2, 819 }, // `
+    { 10, 10, 10, 0, 9, 13, 821 }, // a
+    { 9, 13, 11, 1, 12, 15, 834 }, // b
+    { 10, 10, 10, 0, 9, 13, 849 }, // c
+    { 10, 13, 11, 0, 12, 17, 862 }, // d
+    { 9, 10, 10, 0, 9, 12, 879 }, // e
+    { 7, 12, 7, 0, 12, 11, 891 }, // f
+    { 10, 13, 11, 0, 9, 17, 902 }, // g
+    { 8, 12, 10, 1, 12, 12, 919 }, // h
+    { 3, 12, 4, 1, 12, 5, 931 }, // i
+    { 5, 16, 4, -1, 12, 10, 936 }, // j
+    { 8, 12, 9, 1, 12, 12, 946 }, // k
+    { 2, 12, 4, 1, 12, 3, 958 }, // l
+    { 13, 9, 14, 1, 9, 15, 961 }, // m
+    { 8, 9, 10, 1, 9, 9, 976 }, // n
+    { 10, 10, 10, 0, 9, 13, 985 }, // o
+    { 9, 13, 11, 1, 9, 15, 998 }, // p
+    { 10, 13, 11, 0, 9, 17, 1013 }, // q
+    { 5, 9, 6, 1, 9, 6, 1030 }, // r
+    { 8, 10, 9, 0, 9, 10, 1036 }, // s
+    { 7, 12, 8, 0, 12, 11, 1046 }, // t
+    { 8, 10, 10, 1, 9, 10, 1057 }, // u
+    { 9, 9, 9, 0, 9, 11, 1067 }, // v
+    { 13, 9, 13, 0, 9, 15, 1078 }, // w
+    { 10, 9, 10, 0, 9, 12, 1093 }, // x
+    { 8, 13, 10, 1, 9, 13, 1105 }, // y
+    { 7, 9, 9, 1, 9, 8, 1118 }, // z
+    { 7, 17, 7, 0, 13, 15, 1126 }, // {
+    { 2, 19, 4, 1, 14, 5, 1141 }, // |
+    { 7, 17, 7, 0, 13, 15, 1146 }, // }
+    { 8, 4, 10, 1, 8, 4, 1161 }, // ~
+    { 0, 0, 4, 0, 0, 0, 1165 }, //  
+    { 4, 13, 4, 0, 9, 7, 1165 }, // ¡
+    { 9, 13, 10, 1, 11, 15, 1172 }, // ¢
+    { 10, 12, 10, 0, 12, 15, 1187 }, // £
+    { 10, 10, 10, 0, 11, 13, 1202 }, // ¤
+    { 11, 12, 10, 0, 12, 17, 1215 }, // ¥
+    { 2, 19, 4, 1, 14, 5, 1232 }, // ¦
+    { 8, 13, 8, 0, 12, 13, 1237 }, // §
+    { 7, 3, 7, 0, 12, 3, 1250 }, // ¨
+    { 10, 13, 12, 1, 12, 17, 1253 }, // ©
+    { 7, 7, 7, 0, 12, 7, 1270 }, // ª
+    { 11, 8, 11, 0, 8, 11, 1277 }, // «
+    { 8, 4, 10, 1, 7, 4, 1288 }, // ¬
+    { 6, 2, 8, 1, 5, 2, 1292 }, // ­
+    { 8, 8, 9, 0, 12, 8, 1294 }, // ®
+    { 7, 2, 7, 0, 11, 2, 1302 }, // ¯
+    { 6, 6, 6, 0, 12, 5, 1304 }, // °
+    { 8, 10, 10, 1, 10, 10, 1309 }, // ±
+    { 6, 7, 6, 0, 13, 6, 1319 }, // ²
+    { 6, 7, 6, 0, 12, 6, 1325 }, // ³
+    { 4, 3, 5, 0, 12, 2, 1331 }, // ´
+    { 9, 13, 10, 1, 9, 15, 1333 }, // µ
+    { 9, 12, 10, 0, 12, 14, 1348 }, // ¶
+    { 3, 4, 3, 0, 7, 2, 1362 }, // ·
+    { 5, 5, 5, 0, 1, 4, 1364 }, // ¸
+    { 4, 6, 4, 0, 12, 3, 1368 }, // ¹
+    { 7, 7, 7, 0, 12, 7, 1371 }, // º
+    { 10, 8, 11, 1, 8, 10, 1378 }, // »
+    { 14, 13, 14, 0, 12, 23, 1388 }, // ¼
+    { 14, 13, 14, 0, 12, 23, 1411 }, // ½
+    { 15, 13, 15, 0, 12, 25, 1434 }, // ¾
+    { 9, 13, 10, 0, 9, 15, 1459 }, // ¿
+    { 11, 15, 11, 0, 15, 21, 1474 }, // À
+    { 11, 15, 11, 0, 15, 21, 1495 }, // Á
+    { 11, 15, 11, 0, 15, 21, 1516 }, // Â
+    { 11, 15, 11, 0, 15, 21, 1537 }, // Ã
+    { 11, 15, 11, 0, 15, 21, 1558 }, // Ä
+    { 11, 16, 11, 0, 16, 22, 1579 }, // Å
+    { 14, 12, 14, 0, 12, 21, 1601 }, // Æ
+    { 9, 16, 11, 1, 12, 18, 1622 }, // Ç
+    { 8, 15, 9, 1, 15, 15, 1640 }, // È
+    { 8, 15, 9, 1, 15, 15, 1655 }, // É
+    { 8, 15, 9, 1, 15, 15, 1670 }, // Ê
+    { 8, 15, 9, 1, 15, 15, 1685 }, // Ë
+    { 3, 15, 4, 0, 15, 6, 1700 }, // Ì
+    { 3, 15, 4, 1, 15, 6, 1706 }, // Í
+    { 6, 15, 4, -1, 15, 12, 1712 }, // Î
+    { 6, 15, 4, -1, 15, 12, 1724 }, // Ï
+    { 11, 12, 11, 0, 12, 17, 1736 }, // Ð
+    { 9, 15, 11, 1, 15, 17, 1753 }, // Ñ
+    { 10, 16, 11, 1, 15, 20, 1770 }, // Ò
+    { 10, 16, 11, 1, 15, 20, 1790 }, // Ó
+    { 10, 16, 11, 1, 15, 20, 1810 }, // Ô
+    { 10, 16, 11, 1, 15, 20, 1830 }, // Õ
+    { 10, 16, 11, 1, 15, 20, 1850 }, // Ö
+    { 8, 8, 10, 1, 10, 8, 1870 }, // ×
+    { 10, 15, 11, 1, 13, 19, 1878 }, // Ø
+    { 9, 16, 11, 1, 15, 18, 1897 }, // Ù
+    { 9, 16, 11, 1, 15, 18, 1915 }, // Ú
+    { 9, 16, 11, 1, 15, 18, 1933 }, // Û
+    { 9, 16, 11, 1, 15, 18, 1951 }, // Ü
+    { 10, 15, 10, 0, 15, 19, 1969 }, // Ý
+    { 9, 12, 10, 1, 12, 14, 1988 }, // Þ
+    { 9, 13, 10, 1, 12, 15, 2002 }, // ß
+    { 10, 13, 10, 0, 12, 17, 2017 }, // à
+    { 10, 13, 10, 0, 12, 17, 2034 }, // á
+    { 10, 13, 10, 0, 12, 17, 2051 }, // â
+    { 10, 13, 10, 0, 12, 17, 2068 }, // ã
+    { 10, 13, 10, 0, 12, 17, 2085 }, // ä
+    { 10, 14, 10, 0, 13, 18, 2102 }, // å
+    { 15, 10, 15, 0, 9, 19, 2120 }, // æ
+    { 10, 13, 10, 0, 9, 17, 2139 }, // ç
+    { 9, 13, 10, 0, 12, 15, 2156 }, // è
+    { 9, 13, 10, 0, 12, 15, 2171 }, // é
+    { 9, 13, 10, 0, 12, 15, 2186 }, // ê
+    { 9, 13, 10, 0, 12, 15, 2201 }, // ë
+    { 3, 12, 4, 0, 12, 5, 2216 }, // ì
+    { 4, 12, 4, 1, 12, 6, 2221 }, // í
+    { 6, 12, 4, -1, 12, 9, 2227 }, // î
+    { 6, 12, 4, -1, 12, 9, 2236 }, // ï
+    { 10, 14, 10, 0, 13, 18, 2245 }, // ð
+    { 8, 12, 10, 1, 12, 12, 2263 }, // ñ
+    { 10, 13, 10, 0, 12, 17, 2275 }, // ò
+    { 10, 13, 10, 0, 12, 17, 2292 }, // ó
+    { 10, 13, 10, 0, 12, 17, 2309 }, // ô
+    { 10, 13, 10, 0, 12, 17, 2326 }, // õ
+    { 10, 13, 10, 0, 12, 17, 2343 }, // ö
+    { 8, 8, 10, 1, 10, 8, 2360 }, // ÷
+    { 10, 12, 10, 0, 10, 15, 2368 }, // ø
+    { 8, 13, 10, 1, 12, 13, 2383 }, // ù
+    { 8, 13, 10, 1, 12, 13, 2396 }, // ú
+    { 8, 13, 10, 1, 12, 13, 2409 }, // û
+    { 8, 13, 10, 1, 12, 13, 2422 }, // ü
+    { 8, 16, 10, 1, 12, 16, 2435 }, // ý
+    { 9, 16, 11, 1, 12, 18, 2451 }, // þ
+    { 8, 16, 10, 1, 12, 16, 2469 }, // ÿ
+    { 11, 14, 11, 0, 14, 20, 2485 }, // Ā
+    { 10, 12, 10, 0, 11, 15, 2505 }, // ā
+    { 11, 15, 11, 0, 15, 21, 2520 }, // Ă
+    { 10, 13, 10, 0, 12, 17, 2541 }, // ă
+    { 11, 15, 11, 0, 12, 21, 2558 }, // Ą
+    { 10, 12, 10, 0, 9, 15, 2579 }, // ą
+    { 9, 16, 11, 1, 15, 18, 2594 }, // Ć
+    { 10, 13, 10, 0, 12, 17, 2612 }, // ć
+    { 9, 16, 11, 1, 15, 18, 2629 }, // Ĉ
+    { 10, 13, 10, 0, 12, 17, 2647 }, // ĉ
+    { 9, 16, 11, 1, 15, 18, 2664 }, // Ċ
+    { 10, 13, 10, 0, 12, 17, 2682 }, // ċ
+    { 9, 16, 11, 1, 15, 18, 2699 }, // Č
+    { 10, 13, 10, 0, 12, 17, 2717 }, // č
+    { 11, 15, 11, 0, 15, 21, 2734 }, // Ď
+    { 13, 13, 12, 0, 12, 22, 2755 }, // ď
+    { 11, 12, 11, 0, 12, 17, 2777 }, // Đ
+    { 11, 13, 11, 0, 12, 18, 2794 }, // đ
+    { 8, 14, 9, 1, 14, 14, 2812 }, // Ē
+    { 9, 12, 10, 0, 11, 14, 2826 }, // ē
+    { 8, 15, 9, 1, 15, 15, 2840 }, // Ĕ
+    { 9, 13, 10, 0, 12, 15, 2855 }, // ĕ
+    { 8, 15, 9, 1, 15, 15, 2870 }, // Ė
+    { 9, 13, 10, 0, 12, 15, 2885 }, // ė
+    { 8, 15, 9, 1, 12, 15, 2900 }, // Ę
+    { 9, 12, 10, 0, 9, 14, 2915 }, // ę
+    { 8, 15, 9, 1, 15, 15, 2929 }, // Ě
+    { 9, 13, 10, 0, 12, 15, 2944 }, // ě
+    { 9, 16, 11, 1, 15, 18, 2959 }, // Ĝ
+    { 10, 16, 11, 0, 12, 20, 2977 }, // ĝ
+    { 9, 16, 11, 1, 15, 18, 2997 }, // Ğ
+    { 10, 16, 11, 0, 12, 20, 3015 }, // ğ
+    { 9, 16, 11, 1, 15, 18, 3035 }, // Ġ
+    { 10, 16, 11, 0, 12, 20, 3053 }, // ġ
+    { 9, 17, 11, 1, 12, 20, 3073 }, // Ģ
+    { 10, 17, 11, 0, 13, 22, 3093 }, // ģ
+    { 9, 15, 11, 1, 15, 17, 3115 }, // Ĥ
+    { 10, 15, 10, -1, 15, 19, 3132 }, // ĥ
+    { 11, 12, 11, 0, 12, 17, 3151 }, // Ħ
+    { 9, 12, 10, 0, 12, 14, 3168 }, // ħ
+    { 6, 15, 4, -1, 15, 12, 3182 }, // Ĩ
+    { 6, 12, 4, -1, 12, 9, 3194 }, // ĩ
+    { 6, 14, 4, -1, 14, 11, 3203 }, // Ī
+    { 6, 11, 4, -1, 11, 9, 3214 }, // ī
+    { 6, 15, 4, -1, 15, 12, 3223 }, // Ĭ
+    { 6, 12, 4, -1, 12, 9, 3235 }, // ĭ
+    { 3, 15, 4, 1, 12, 6, 3244 }, // Į
+    { 3, 15, 4, 1, 12, 6, 3250 }, // į
+    { 3, 15, 4, 1, 15, 6, 3256 }, // İ
+    { 2, 9, 4, 1, 9, 3, 3262 }, // ı
+    { 12, 13, 12, 0, 12, 20, 3265 }, // IJ
+    { 7, 16, 8, 1, 12, 14, 3285 }, // ij
+    { 10, 16, 10, 0, 15, 20, 3299 }, // Ĵ
+    { 6, 16, 4, -1, 12, 12, 3319 }, // ĵ
+    { 9, 17, 10, 1, 12, 20, 3331 }, // Ķ
+    { 8, 17, 9, 1, 12, 17, 3351 }, // ķ
+    { 8, 9, 9, 1, 9, 9, 3368 }, // ĸ
+    { 8, 15, 9, 1, 15, 15, 3377 }, // Ĺ
+    { 3, 15, 4, 1, 15, 6, 3392 }, // ĺ
+    { 8, 17, 9, 1, 12, 17, 3398 }, // Ļ
+    { 2, 17, 4, 1, 12, 5, 3415 }, // ļ
+    { 8, 12, 9, 1, 12, 12, 3420 }, // Ľ
+    { 5, 12, 5, 1, 12, 8, 3432 }, // ľ
+    { 8, 12, 9, 1, 12, 12, 3440 }, // Ŀ
+    { 6, 12, 7, 1, 12, 9, 3452 }, // ŀ
+    { 10, 12, 10, 0, 12, 15, 3461 }, // Ł
+    { 6, 12, 6, 0, 12, 9, 3476 }, // ł
+    { 9, 15, 11, 1, 15, 17, 3485 }, // Ń
+    { 8, 12, 10, 1, 12, 12, 3502 }, // ń
+    { 9, 17, 11, 1, 12, 20, 3514 }, // Ņ
+    { 8, 14, 10, 1, 9, 14, 3534 }, // ņ
+    { 9, 15, 11, 1, 15, 17, 3548 }, // Ň
+    { 8, 12, 10, 1, 12, 12, 3565 }, // ň
+    { 8, 13, 10, 1, 13, 13, 3577 }, // ʼn
+    { 9, 16, 11, 1, 12, 18, 3590 }, // Ŋ
+    { 8, 13, 10, 1, 9, 13, 3608 }, // ŋ
+    { 10, 15, 11, 1, 14, 19, 3621 }, // Ō
+    { 10, 12, 10, 0, 11, 15, 3640 }, // ō
+    { 10, 16, 11, 1, 15, 20, 3655 }, // Ŏ
+    { 10, 13, 10, 0, 12, 17, 3675 }, // ŏ
+    { 10, 16, 11, 1, 15, 20, 3692 }, // Ő
+    { 10, 13, 10, 0, 12, 17, 3712 }, // ő
+    { 13, 12, 14, 1, 12, 20, 3729 }, // Œ
+    { 17, 10, 17, 0, 9, 22, 3749 }, // œ
+    { 9, 15, 11, 1, 15, 17, 3771 }, // Ŕ
+    { 5, 12, 6, 1, 12, 8, 3788 }, // ŕ
+    { 9, 17, 11, 1, 12, 20, 3796 }, // Ŗ
+    { 5, 14, 6, 1, 9, 9, 3816 }, // ŗ
+    { 9, 15, 11, 1, 15, 17, 3825 }, // Ř
+    { 7, 12, 6, 0, 12, 11, 3842 }, // ř
+    { 10, 16, 10, 0, 15, 20, 3853 }, // Ś
+    { 8, 13, 9, 0, 12, 13, 3873 }, // ś
+    { 10, 16, 10, 0, 15, 20, 3886 }, // Ŝ
+    { 8, 13, 9, 0, 12, 13, 3906 }, // ŝ
+    { 10, 16, 10, 0, 12, 20, 3919 }, // Ş
+    { 8, 13, 9, 0, 9, 13, 3939 }, // ş
+    { 10, 16, 10, 0, 15, 20, 3952 }, // Š
+    { 8, 13, 9, 0, 12, 13, 3972 }, // š
+    { 10, 16, 10, 0, 12, 20, 3985 }, // Ţ
+    { 7, 16, 8, 0, 12, 14, 4005 }, // ţ
+    { 10, 15, 10, 0, 15, 19, 4019 }, // Ť
+    { 8, 13, 8, 0, 13, 13, 4038 }, // ť
+    { 10, 12, 10, 0, 12, 15, 4051 }, // Ŧ
+    { 7, 12, 8, 0, 12, 11, 4066 }, // ŧ
+    { 9, 16, 11, 1, 15, 18, 4077 }, // Ũ
+    { 8, 13, 10, 1, 12, 13, 4095 }, // ũ
+    { 9, 15, 11, 1, 14, 17, 4108 }, // Ū
+    { 8, 12, 10, 1, 11, 12, 4125 }, // ū
+    { 9, 16, 11, 1, 15, 18, 4137 }, // Ŭ
+    { 8, 13, 10, 1, 12, 13, 4155 }, // ŭ
+    { 9, 17, 11, 1, 16, 20, 4168 }, // Ů
+    { 8, 14, 10, 1, 13, 14, 4188 }, // ů
+    { 9, 16, 11, 1, 15, 18, 4202 }, // Ű
+    { 8, 13, 10, 1, 12, 13, 4220 }, // ű
+    { 9, 15, 11, 1, 12, 17, 4233 }, // Ų
+    { 9, 12, 10, 1, 9, 14, 4250 }, // ų
+    { 14, 15, 15, 0, 15, 27, 4264 }, // Ŵ
+    { 13, 12, 13, 0, 12, 20, 4291 }, // ŵ
+    { 10, 15, 10, 0, 15, 19, 4311 }, // Ŷ
+    { 8, 16, 10, 1, 12, 16, 4330 }, // ŷ
+    { 10, 15, 10, 0, 15, 19, 4346 }, // Ÿ
+    { 9, 15, 10, 0, 15, 17, 4365 }, // Ź
+    { 7, 12, 9, 1, 12, 11, 4382 }, // ź
+    { 9, 15, 10, 0, 15, 17, 4393 }, // Ż
+    { 7, 12, 9, 1, 12, 11, 4410 }, // ż
+    { 9, 15, 10, 0, 15, 17, 4421 }, // Ž
+    { 7, 12, 9, 1, 12, 11, 4438 }, // ž
+    { 6, 12, 6, 0, 12, 9, 4449 }, // ſ
+    { 4, 3, 0, 0, 12, 2, 4458 }, // ̀
+    { 4, 3, 0, 0, 12, 2, 4460 }, // ́
+    { 7, 3, 0, 0, 12, 3, 4462 }, // ̂
+    { 7, 3, 0, 0, 12, 3, 4465 }, // ̃
+    { 7, 2, 0, 0, 11, 2, 4468 }, // ̄
+    { 6, 3, 0, 0, 12, 3, 4470 }, // ̆
+    { 3, 3, 0, 0, 12, 2, 4473 }, // ̇
+    { 7, 3, 0, 0, 12, 3, 4475 }, // ̈
+    { 5, 4, 0, 0, 13, 3, 4478 }, // ̉
+    { 5, 4, 0, 0, 13, 3, 4481 }, // ̊
+    { 6, 3, 0, 0, 12, 3, 4484 }, // ̋
+    { 7, 3, 0, 0, 12, 3, 4487 }, // ̌
+    { 6, 3, 0, 0, 12, 3, 4490 }, // ̏
+    { 6, 3, 0, 0, 12, 3, 4493 }, // ̑
+    { 3, 4, 0, 0, 13, 2, 4496 }, // ̒
+    { 4, 3, 0, 0, 10, 2, 4498 }, // ̛
+    { 3, 3, 0, 0, -1, 2, 4500 }, // ̣
+    { 7, 3, 0, 0, -1, 3, 4502 }, // ̤
+    { 3, 4, 0, 0, -1, 2, 4505 }, // ̦
+    { 5, 5, 0, 0, 1, 4, 4507 }, // ̧
+    { 4, 4, 0, 0, 1, 2, 4511 }, // ̨
+    { 6, 3, 0, 0, -1, 3, 4513 }, // ̮
+    { 7, 2, 0, 0, -1, 2, 4516 }, // ̱
+    { 7, 2, 0, 0, 11, 2, 4518 }, // ̵
+    { 12, 2, 0, 0, 10, 3, 4520 }, // ̶
+    { 8, 12, 0, 0, 10, 12, 4523 }, // ̷
+    { 8, 15, 0, 0, 13, 15, 4535 }, // ̸
+    { 0, 0, 10, 0, 0, 0, 4550 }, //  
+    { 0, 0, 4, 0, 0, 0, 4550 }, //  
+    { 0, 0, 3, 0, 0, 0, 4550 }, //  
+    { 0, 0, 1, 0, 0, 0, 4550 }, //  
+    { 0, 0, 0, 0, 0, 0, 4550 }, // ​
+    { 6, 2, 8, 1, 5, 2, 4550 }, // ‐
+    { 9, 2, 10, 1, 5, 3, 4552 }, // ‒
+    { 8, 2, 10, 1, 5, 2, 4555 }, // –
+    { 13, 2, 15, 1, 5, 4, 4557 }, // —
+    { 13, 2, 15, 1, 5, 4, 4561 }, // ―
+    { 4, 6, 4, 0, 13, 3, 4565 }, // ‘
+    { 4, 6, 4, 0, 13, 3, 4568 }, // ’
+    { 4, 6, 4, 0, 3, 3, 4571 }, // ‚
+    { 7, 6, 7, 0, 13, 6, 4574 }, // “
+    { 7, 6, 7, 0, 13, 6, 4580 }, // ”
+    { 7, 6, 7, 0, 3, 6, 4586 }, // „
+    { 8, 12, 10, 1, 12, 12, 4592 }, // †
+    { 8, 12, 10, 1, 12, 12, 4604 }, // ‡
+    { 4, 5, 6, 1, 7, 3, 4616 }, // •
+    { 11, 4, 11, 0, 3, 6, 4619 }, // …
+    { 16, 13, 16, 0, 12, 26, 4625 }, // ‰
+    { 3, 5, 3, 0, 12, 2, 4651 }, // ′
+    { 6, 5, 6, 0, 12, 4, 4653 }, // ″
+    { 7, 8, 8, 0, 8, 7, 4657 }, // ‹
+    { 6, 8, 8, 1, 8, 6, 4664 }, // ›
+    { 11, 13, 11, 0, 12, 18, 4670 }, // ⁄
+    { 11, 13, 12, 0, 12, 18, 4688 }, // ⁒
+    { 9, 16, 11, 1, 14, 18, 4706 }, // ₡
+    { 10, 12, 10, 0, 12, 15, 4724 }, // ₣
+    { 10, 12, 10, 0, 12, 15, 4739 }, // ₤
+    { 12, 12, 13, 0, 12, 18, 4754 }, // ₦
+    { 12, 12, 12, 0, 12, 18, 4772 }, // ₧
+    { 16, 12, 16, 0, 12, 24, 4790 }, // ₩
+    { 11, 14, 12, 0, 12, 20, 4814 }, // ₫
+    { 11, 13, 11, 0, 12, 18, 4834 }, // €
+    { 11, 12, 11, 0, 12, 17, 4852 }, // ₭
+    { 12, 12, 12, 0, 12, 18, 4869 }, // ₱
+    { 9, 16, 11, 1, 14, 18, 4887 }, // ₲
+    { 9, 16, 11, 1, 14, 18, 4905 }, // ₵
+    { 10, 12, 11, 1, 12, 15, 4923 }, // ₹
+    { 9, 12, 9, 0, 12, 14, 4938 }, // ₺
+    { 10, 14, 12, 1, 14, 18, 4952 }, // ₼
+    { 11, 12, 11, 0, 12, 17, 4970 }, // ₽
+    { 10, 16, 12, 1, 14, 20, 4987 }, // ₿
+    { 13, 10, 13, 0, 9, 17, 5007 }, // ←
+    { 10, 12, 10, 0, 12, 15, 5024 }, // ↑
+    { 13, 10, 13, 0, 9, 17, 5039 }, // →
+    { 10, 13, 10, 0, 12, 17, 5056 }, // ↓
+    { 13, 10, 13, 0, 9, 17, 5073 }, // ↔
+    { 10, 13, 10, 0, 12, 17, 5090 }, // ↕
+    { 9, 10, 10, 1, 9, 12, 5107 }, // ↖
+    { 9, 10, 10, 0, 9, 12, 5119 }, // ↗
+    { 9, 9, 10, 0, 9, 11, 5131 }, // ↘
+    { 9, 9, 10, 1, 9, 11, 5142 }, // ↙
+    { 9, 13, 10, 1, 12, 15, 5153 }, // ∂
+    { 10, 12, 11, 0, 10, 15, 5168 }, // ∅
+    { 10, 12, 10, 0, 12, 15, 5183 }, // ∆
+    { 9, 16, 10, 1, 12, 18, 5198 }, // ∏
+    { 10, 16, 10, 0, 12, 20, 5216 }, // ∑
+    { 8, 2, 10, 1, 7, 2, 5236 }, // −
+    { 7, 17, 6, 0, 14, 15, 5238 }, // ∕
+    { 5, 5, 10, 3, 8, 4, 5253 }, // ∙
+    { 10, 15, 10, 0, 15, 19, 5257 }, // √
+    { 10, 6, 10, 0, 9, 8, 5276 }, // ∞
+    { 6, 16, 10, 2, 12, 12, 5284 }, // ∫
+    { 8, 7, 10, 1, 9, 7, 5296 }, // ≈
+    { 8, 8, 10, 1, 10, 8, 5303 }, // ≠
+    { 8, 10, 10, 1, 10, 10, 5311 }, // ≤
+    { 8, 10, 10, 1, 10, 10, 5321 }, // ≥
+};
+
+static const EpdUnicodeInterval spacegroteskIntervals[] = {
+    { 0xD, 0xD, 0x0 },
+    { 0x20, 0x7E, 0x1 },
+    { 0xA0, 0xFF, 0x60 },
+    { 0x100, 0x17F, 0xC0 },
+    { 0x300, 0x304, 0x140 },
+    { 0x306, 0x30C, 0x145 },
+    { 0x30F, 0x30F, 0x14C },
+    { 0x311, 0x312, 0x14D },
+    { 0x31B, 0x31B, 0x14F },
+    { 0x323, 0x324, 0x150 },
+    { 0x326, 0x328, 0x152 },
+    { 0x32E, 0x32E, 0x155 },
+    { 0x331, 0x331, 0x156 },
+    { 0x335, 0x338, 0x157 },
+    { 0x2007, 0x200B, 0x15B },
+    { 0x2010, 0x2010, 0x160 },
+    { 0x2012, 0x2015, 0x161 },
+    { 0x2018, 0x201A, 0x165 },
+    { 0x201C, 0x201E, 0x168 },
+    { 0x2020, 0x2022, 0x16B },
+    { 0x2026, 0x2026, 0x16E },
+    { 0x2030, 0x2030, 0x16F },
+    { 0x2032, 0x2033, 0x170 },
+    { 0x2039, 0x203A, 0x172 },
+    { 0x2044, 0x2044, 0x174 },
+    { 0x2052, 0x2052, 0x175 },
+    { 0x20A1, 0x20A1, 0x176 },
+    { 0x20A3, 0x20A4, 0x177 },
+    { 0x20A6, 0x20A7, 0x179 },
+    { 0x20A9, 0x20A9, 0x17B },
+    { 0x20AB, 0x20AD, 0x17C },
+    { 0x20B1, 0x20B2, 0x17F },
+    { 0x20B5, 0x20B5, 0x181 },
+    { 0x20B9, 0x20BA, 0x182 },
+    { 0x20BC, 0x20BD, 0x184 },
+    { 0x20BF, 0x20BF, 0x186 },
+    { 0x2190, 0x2199, 0x187 },
+    { 0x2202, 0x2202, 0x191 },
+    { 0x2205, 0x2206, 0x192 },
+    { 0x220F, 0x220F, 0x194 },
+    { 0x2211, 0x2212, 0x195 },
+    { 0x2215, 0x2215, 0x197 },
+    { 0x2219, 0x221A, 0x198 },
+    { 0x221E, 0x221E, 0x19A },
+    { 0x222B, 0x222B, 0x19B },
+    { 0x2248, 0x2248, 0x19C },
+    { 0x2260, 0x2260, 0x19D },
+    { 0x2264, 0x2265, 0x19E },
+};
+
+static const EpdFontData spacegrotesk = {
+    spacegroteskBitmaps,
+    spacegroteskGlyphs,
+    spacegroteskIntervals,
+    48,
+    21,
+    17,
+    -5,
+    false,
+};

lib/EpdFont/scripts/build-font-ids.sh

@@ -0,0 +1,137 @@
+#!/bin/bash
+
+set -e
+
+cd "$(dirname "$0")/../builtinFonts"
+
+echo "// The contents of this file are generated by ./lib/EpdFont/scripts/build-font-ids.sh"
+echo "#pragma once"
+echo ""
+
+echo "#define ALEO_12_FONT_ID ($(
+ruby -rdigest -e 'puts [
+  "./aleo_12_regular.h",
+  "./aleo_12_bold.h",
+  "./aleo_12_bolditalic.h",
+  "./aleo_12_italic.h",
+].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
+))"
+
+echo "#define ALEO_14_FONT_ID ($(
+ruby -rdigest -e 'puts [
+  "./aleo_14_regular.h",
+  "./aleo_14_bold.h",
+  "./aleo_14_bolditalic.h",
+  "./aleo_14_italic.h",
+].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
+))"
+
+echo "#define ALEO_16_FONT_ID ($(
+ruby -rdigest -e 'puts [
+  "./aleo_16_regular.h",
+  "./aleo_16_bold.h",
+  "./aleo_16_bolditalic.h",
+  "./aleo_16_italic.h",
+].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
+))"
+
+echo "#define ALEO_18_FONT_ID ($(
+ruby -rdigest -e 'puts [
+  "./aleo_18_regular.h",
+  "./aleo_18_bold.h",
+  "./aleo_18_bolditalic.h",
+  "./aleo_18_italic.h",
+].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
+))"
+
+echo "#define NOTOSANS_12_FONT_ID ($(
+ruby -rdigest -e 'puts [
+  "./notosans_12_regular.h",
+  "./notosans_12_bold.h",
+  "./notosans_12_bolditalic.h",
+  "./notosans_12_italic.h",
+].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
+))"
+
+echo "#define NOTOSANS_14_FONT_ID ($(
+ruby -rdigest -e 'puts [
+  "./notosans_14_regular.h",
+  "./notosans_14_bold.h",
+  "./notosans_14_bolditalic.h",
+  "./notosans_14_italic.h",
+].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
+))"
+
+echo "#define NOTOSANS_16_FONT_ID ($(
+ruby -rdigest -e 'puts [
+  "./notosans_16_regular.h",
+  "./notosans_16_bold.h",
+  "./notosans_16_bolditalic.h",
+  "./notosans_16_italic.h",
+].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
+))"
+
+echo "#define NOTOSANS_18_FONT_ID ($(
+ruby -rdigest -e 'puts [
+  "./notosans_18_regular.h",
+  "./notosans_18_bold.h",
+  "./notosans_18_bolditalic.h",
+  "./notosans_18_italic.h",
+].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
+))"
+
+echo "#define OPENDYSLEXIC_8_FONT_ID ($(
+ruby -rdigest -e 'puts [
+  "./opendyslexic_8_regular.h",
+  "./opendyslexic_8_bold.h",
+  "./opendyslexic_8_bolditalic.h",
+  "./opendyslexic_8_italic.h",
+].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
+))"
+
+echo "#define OPENDYSLEXIC_10_FONT_ID ($(
+ruby -rdigest -e 'puts [
+  "./opendyslexic_10_regular.h",
+  "./opendyslexic_10_bold.h",
+  "./opendyslexic_10_bolditalic.h",
+  "./opendyslexic_10_italic.h",
+].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
+))"
+
+echo "#define OPENDYSLEXIC_12_FONT_ID ($(
+ruby -rdigest -e 'puts [
+  "./opendyslexic_12_regular.h",
+  "./opendyslexic_12_bold.h",
+  "./opendyslexic_12_bolditalic.h",
+  "./opendyslexic_12_italic.h",
+].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
+))"
+
+echo "#define OPENDYSLEXIC_14_FONT_ID ($(
+ruby -rdigest -e 'puts [
+  "./opendyslexic_14_regular.h",
+  "./opendyslexic_14_bold.h",
+  "./opendyslexic_14_bolditalic.h",
+  "./opendyslexic_14_italic.h",
+].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
+))"
+
+echo "#define UI_10_FONT_ID ($(
+ruby -rdigest -e 'puts [
+  "./ubuntu_10_regular.h",
+  "./ubuntu_10_bold.h",
+].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
+))"
+
+echo "#define UI_12_FONT_ID ($(
+ruby -rdigest -e 'puts [
+  "./ubuntu_12_regular.h",
+  "./ubuntu_12_bold.h",
+].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
+))"
+
+echo "#define SMALL_FONT_ID ($(
+ruby -rdigest -e 'puts [
+  "./spacegrotesk.h",
+].map{|f| Digest::SHA256.hexdigest(File.read(f)).to_i(16) }.sum % (2 ** 32) - (2 ** 31)'
+))"

lib/EpdFont/scripts/convert-builtin-fonts.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+
+set -e
+
+cd "$(dirname "$0")"
+
+READER_FONT_STYLES=("Regular" "Italic" "Bold" "BoldItalic")
+ALEO_FONT_SIZES=(12 14 16 18)
+NOTOSANS_FONT_SIZES=(12 14 16 18)
+OPENDYSLEXIC_FONT_SIZES=(8 10 12 14)
+
+for size in ${ALEO_FONT_SIZES[@]}; do
+  for style in ${READER_FONT_STYLES[@]}; do
+    font_name="aleo_${size}_$(echo $style | tr '[:upper:]' '[:lower:]')"
+    font_path="../builtinFonts/source/Aleo/Aleo-${style}.ttf"
+    output_path="../builtinFonts/${font_name}.h"
+    python fontconvert.py $font_name $size $font_path --2bit > $output_path
+    echo "Generated $output_path"
+  done
+done
+
+for size in ${NOTOSANS_FONT_SIZES[@]}; do
+  for style in ${READER_FONT_STYLES[@]}; do
+    font_name="notosans_${size}_$(echo $style | tr '[:upper:]' '[:lower:]')"
+    font_path="../builtinFonts/source/NotoSans/NotoSans-${style}.ttf"
+    output_path="../builtinFonts/${font_name}.h"
+    python fontconvert.py $font_name $size $font_path --2bit > $output_path
+    echo "Generated $output_path"
+  done
+done
+
+for size in ${OPENDYSLEXIC_FONT_SIZES[@]}; do
+  for style in ${READER_FONT_STYLES[@]}; do
+    font_name="opendyslexic_${size}_$(echo $style | tr '[:upper:]' '[:lower:]')"
+    font_path="../builtinFonts/source/OpenDyslexic/OpenDyslexic-${style}.otf"
+    output_path="../builtinFonts/${font_name}.h"
+    python fontconvert.py $font_name $size $font_path --2bit > $output_path
+    echo "Generated $output_path"
+  done
+done
+
+UI_FONT_SIZES=(10 12)
+UI_FONT_STYLES=("Regular" "Bold")
+
+for size in ${UI_FONT_SIZES[@]}; do
+  for style in ${UI_FONT_STYLES[@]}; do
+    font_name="ubuntu_${size}_$(echo $style | tr '[:upper:]' '[:lower:]')"
+    font_path="../builtinFonts/source/Ubuntu/Ubuntu-${style}.ttf"
+    output_path="../builtinFonts/${font_name}.h"
+    python fontconvert.py $font_name $size $font_path > $output_path
+    echo "Generated $output_path"
+  done
+done
+
+python fontconvert.py spacegrotesk 8 ../builtinFonts/source/SpaceGrotesk/SpaceGrotesk-Regular.ttf > ../builtinFonts/spacegrotesk.h

lib/Epub/Epub.cpp

@@ -3,7 +3,7 @@
 #include <FsHelpers.h>
 #include <HardwareSerial.h>
 #include <JpegToBmpConverter.h>
-#include <SD.h>
+#include <SDCardManager.h>
 #include <ZipFile.h>
 
 #include "Epub/parsers/ContainerParser.h"
@@ -94,13 +94,13 @@ bool Epub::parseTocNcxFile() const {
   Serial.printf("[%lu] [EBP] Parsing toc ncx file: %s\n", millis(), tocNcxItem.c_str());
 
   const auto tmpNcxPath = getCachePath() + "/toc.ncx";
-  File tempNcxFile;
-  if (!FsHelpers::openFileForWrite("EBP", tmpNcxPath, tempNcxFile)) {
+  FsFile tempNcxFile;
+  if (!SdMan.openFileForWrite("EBP", tmpNcxPath, tempNcxFile)) {
     return false;
   }
   readItemContentsToStream(tocNcxItem, tempNcxFile, 1024);
   tempNcxFile.close();
-  if (!FsHelpers::openFileForRead("EBP", tmpNcxPath, tempNcxFile)) {
+  if (!SdMan.openFileForRead("EBP", tmpNcxPath, tempNcxFile)) {
     return false;
   }
   const auto ncxSize = tempNcxFile.size();
@@ -132,7 +132,7 @@ bool Epub::parseTocNcxFile() const {
 
   free(ncxBuffer);
   tempNcxFile.close();
-  SD.remove(tmpNcxPath.c_str());
+  SdMan.remove(tmpNcxPath.c_str());
 
   Serial.printf("[%lu] [EBP] Parsed TOC items\n", millis());
   return true;
@@ -218,12 +218,12 @@ bool Epub::load() {
 }
 
 bool Epub::clearCache() const {
-  if (!SD.exists(cachePath.c_str())) {
+  if (!SdMan.exists(cachePath.c_str())) {
     Serial.printf("[%lu] [EPB] Cache does not exist, no action needed\n", millis());
     return true;
   }
 
-  if (!FsHelpers::removeDir(cachePath.c_str())) {
+  if (!SdMan.removeDir(cachePath.c_str())) {
     Serial.printf("[%lu] [EPB] Failed to clear cache\n", millis());
     return false;
   }
@@ -233,17 +233,11 @@ bool Epub::clearCache() const {
 }
 
 void Epub::setupCacheDir() const {
-  if (SD.exists(cachePath.c_str())) {
+  if (SdMan.exists(cachePath.c_str())) {
     return;
   }
 
-  // Loop over each segment of the cache path and create directories as needed
-  for (size_t i = 1; i < cachePath.length(); i++) {
-    if (cachePath[i] == '/') {
-      SD.mkdir(cachePath.substr(0, i).c_str());
-    }
-  }
-  SD.mkdir(cachePath.c_str());
+  SdMan.mkdir(cachePath.c_str());
 }
 
 const std::string& Epub::getCachePath() const { return cachePath; }
@@ -263,7 +257,7 @@ std::string Epub::getCoverBmpPath() const { return cachePath + "/cover.bmp"; }
 
 bool Epub::generateCoverBmp() const {
   // Already generated, return true
-  if (SD.exists(getCoverBmpPath().c_str())) {
+  if (SdMan.exists(getCoverBmpPath().c_str())) {
     return true;
   }
 
@@ -283,30 +277,30 @@ bool Epub::generateCoverBmp() const {
     Serial.printf("[%lu] [EBP] Generating BMP from JPG cover image\n", millis());
     const auto coverJpgTempPath = getCachePath() + "/.cover.jpg";
 
-    File coverJpg;
-    if (!FsHelpers::openFileForWrite("EBP", coverJpgTempPath, coverJpg)) {
+    FsFile coverJpg;
+    if (!SdMan.openFileForWrite("EBP", coverJpgTempPath, coverJpg)) {
       return false;
     }
     readItemContentsToStream(coverImageHref, coverJpg, 1024);
     coverJpg.close();
 
-    if (!FsHelpers::openFileForRead("EBP", coverJpgTempPath, coverJpg)) {
+    if (!SdMan.openFileForRead("EBP", coverJpgTempPath, coverJpg)) {
       return false;
     }
 
-    File coverBmp;
-    if (!FsHelpers::openFileForWrite("EBP", getCoverBmpPath(), coverBmp)) {
+    FsFile coverBmp;
+    if (!SdMan.openFileForWrite("EBP", getCoverBmpPath(), coverBmp)) {
       coverJpg.close();
       return false;
     }
     const bool success = JpegToBmpConverter::jpegFileToBmpStream(coverJpg, coverBmp);
     coverJpg.close();
     coverBmp.close();
-    SD.remove(coverJpgTempPath.c_str());
+    SdMan.remove(coverJpgTempPath.c_str());
 
     if (!success) {
       Serial.printf("[%lu] [EBP] Failed to generate BMP from JPG cover image\n", millis());
-      SD.remove(getCoverBmpPath().c_str());
+      SdMan.remove(getCoverBmpPath().c_str());
     }
     Serial.printf("[%lu] [EBP] Generated BMP from JPG cover image, success: %s\n", millis(), success ? "yes" : "no");
     return success;
@@ -318,6 +312,11 @@ bool Epub::generateCoverBmp() const {
 }
 
 uint8_t* Epub::readItemContentsToBytes(const std::string& itemHref, size_t* size, const bool trailingNullByte) const {
+  if (itemHref.empty()) {
+    Serial.printf("[%lu] [EBP] Failed to read item, empty href\n", millis());
+    return nullptr;
+  }
+
   const std::string path = FsHelpers::normalisePath(itemHref);
 
   const auto content = ZipFile(filepath).readFileToMemory(path.c_str(), size, trailingNullByte);
@@ -330,6 +329,11 @@ uint8_t* Epub::readItemContentsToBytes(const std::string& itemHref, size_t* size
 }
 
 bool Epub::readItemContentsToStream(const std::string& itemHref, Print& out, const size_t chunkSize) const {
+  if (itemHref.empty()) {
+    Serial.printf("[%lu] [EBP] Failed to read item, empty href\n", millis());
+    return false;
+  }
+
   const std::string path = FsHelpers::normalisePath(itemHref);
   return ZipFile(filepath).readFileToStream(path.c_str(), out, chunkSize);
 }

lib/Epub/Epub.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <Print.h>
+
 #include <memory>
 #include <string>
 #include <unordered_map>

lib/Epub/Epub/BookMetadataCache.cpp

@@ -1,7 +1,6 @@
 #include "BookMetadataCache.h"
 
 #include <HardwareSerial.h>
-#include <SD.h>
 #include <Serialization.h>
 #include <ZipFile.h>
 
@@ -10,7 +9,7 @@
 #include "FsHelpers.h"
 
 namespace {
-constexpr uint8_t BOOK_CACHE_VERSION = 1;
+constexpr uint8_t BOOK_CACHE_VERSION = 2;
 constexpr char bookBinFile[] = "/book.bin";
 constexpr char tmpSpineBinFile[] = "/spine.bin.tmp";
 constexpr char tmpTocBinFile[] = "/toc.bin.tmp";
@@ -30,7 +29,7 @@ bool BookMetadataCache::beginContentOpfPass() {
   Serial.printf("[%lu] [BMC] Beginning content opf pass\n", millis());
 
   // Open spine file for writing
-  return FsHelpers::openFileForWrite("BMC", cachePath + tmpSpineBinFile, spineFile);
+  return SdMan.openFileForWrite("BMC", cachePath + tmpSpineBinFile, spineFile);
 }
 
 bool BookMetadataCache::endContentOpfPass() {
@@ -42,10 +41,10 @@ bool BookMetadataCache::beginTocPass() {
   Serial.printf("[%lu] [BMC] Beginning toc pass\n", millis());
 
   // Open spine file for reading
-  if (!FsHelpers::openFileForRead("BMC", cachePath + tmpSpineBinFile, spineFile)) {
+  if (!SdMan.openFileForRead("BMC", cachePath + tmpSpineBinFile, spineFile)) {
     return false;
   }
-  if (!FsHelpers::openFileForWrite("BMC", cachePath + tmpTocBinFile, tocFile)) {
+  if (!SdMan.openFileForWrite("BMC", cachePath + tmpTocBinFile, tocFile)) {
     spineFile.close();
     return false;
   }
@@ -71,27 +70,27 @@ bool BookMetadataCache::endWrite() {
 
 bool BookMetadataCache::buildBookBin(const std::string& epubPath, const BookMetadata& metadata) {
   // Open all three files, writing to meta, reading from spine and toc
-  if (!FsHelpers::openFileForWrite("BMC", cachePath + bookBinFile, bookFile)) {
+  if (!SdMan.openFileForWrite("BMC", cachePath + bookBinFile, bookFile)) {
     return false;
   }
 
-  if (!FsHelpers::openFileForRead("BMC", cachePath + tmpSpineBinFile, spineFile)) {
+  if (!SdMan.openFileForRead("BMC", cachePath + tmpSpineBinFile, spineFile)) {
     bookFile.close();
     return false;
   }
 
-  if (!FsHelpers::openFileForRead("BMC", cachePath + tmpTocBinFile, tocFile)) {
+  if (!SdMan.openFileForRead("BMC", cachePath + tmpTocBinFile, tocFile)) {
     bookFile.close();
     spineFile.close();
     return false;
   }
 
-  constexpr size_t headerASize =
-      sizeof(BOOK_CACHE_VERSION) + /* LUT Offset */ sizeof(size_t) + sizeof(spineCount) + sizeof(tocCount);
-  const size_t metadataSize =
+  constexpr uint32_t headerASize =
+      sizeof(BOOK_CACHE_VERSION) + /* LUT Offset */ sizeof(uint32_t) + sizeof(spineCount) + sizeof(tocCount);
+  const uint32_t metadataSize =
       metadata.title.size() + metadata.author.size() + metadata.coverItemHref.size() + sizeof(uint32_t) * 3;
-  const size_t lutSize = sizeof(size_t) * spineCount + sizeof(size_t) * tocCount;
-  const size_t lutOffset = headerASize + metadataSize;
+  const uint32_t lutSize = sizeof(uint32_t) * spineCount + sizeof(uint32_t) * tocCount;
+  const uint32_t lutOffset = headerASize + metadataSize;
 
   // Header A
   serialization::writePod(bookFile, BOOK_CACHE_VERSION);
@@ -106,7 +105,7 @@ bool BookMetadataCache::buildBookBin(const std::string& epubPath, const BookMeta
   // Loop through spine entries, writing LUT positions
   spineFile.seek(0);
   for (int i = 0; i < spineCount; i++) {
-    auto pos = spineFile.position();
+    uint32_t pos = spineFile.position();
     auto spineEntry = readSpineEntry(spineFile);
     serialization::writePod(bookFile, pos + lutOffset + lutSize);
   }
@@ -114,9 +113,9 @@ bool BookMetadataCache::buildBookBin(const std::string& epubPath, const BookMeta
   // Loop through toc entries, writing LUT positions
   tocFile.seek(0);
   for (int i = 0; i < tocCount; i++) {
-    auto pos = tocFile.position();
+    uint32_t pos = tocFile.position();
     auto tocEntry = readTocEntry(tocFile);
-    serialization::writePod(bookFile, pos + lutOffset + lutSize + spineFile.position());
+    serialization::writePod(bookFile, pos + lutOffset + lutSize + static_cast<uint32_t>(spineFile.position()));
   }
 
   // LUTs complete
@@ -142,8 +141,9 @@ bool BookMetadataCache::buildBookBin(const std::string& epubPath, const BookMeta
     zip.close();
     return false;
   }
-  size_t cumSize = 0;
+  uint32_t cumSize = 0;
   spineFile.seek(0);
+  int lastSpineTocIndex = -1;
   for (int i = 0; i < spineCount; i++) {
     auto spineEntry = readSpineEntry(spineFile);
 
@@ -159,9 +159,12 @@ bool BookMetadataCache::buildBookBin(const std::string& epubPath, const BookMeta
     // Not a huge deal if we don't fine a TOC entry for the spine entry, this is expected behaviour for EPUBs
     // Logging here is for debugging
     if (spineEntry.tocIndex == -1) {
-      Serial.printf("[%lu] [BMC] Warning: Could not find TOC entry for spine item %d: %s\n", millis(), i,
-                    spineEntry.href.c_str());
+      Serial.printf(
+          "[%lu] [BMC] Warning: Could not find TOC entry for spine item %d: %s, using title from last section\n",
+          millis(), i, spineEntry.href.c_str());
+      spineEntry.tocIndex = lastSpineTocIndex;
     }
+    lastSpineTocIndex = spineEntry.tocIndex;
 
     // Calculate size for cumulative size
     size_t itemSize = 0;
@@ -195,25 +198,25 @@ bool BookMetadataCache::buildBookBin(const std::string& epubPath, const BookMeta
 }
 
 bool BookMetadataCache::cleanupTmpFiles() const {
-  if (SD.exists((cachePath + tmpSpineBinFile).c_str())) {
-    SD.remove((cachePath + tmpSpineBinFile).c_str());
+  if (SdMan.exists((cachePath + tmpSpineBinFile).c_str())) {
+    SdMan.remove((cachePath + tmpSpineBinFile).c_str());
   }
-  if (SD.exists((cachePath + tmpTocBinFile).c_str())) {
-    SD.remove((cachePath + tmpTocBinFile).c_str());
+  if (SdMan.exists((cachePath + tmpTocBinFile).c_str())) {
+    SdMan.remove((cachePath + tmpTocBinFile).c_str());
   }
   return true;
 }
 
-size_t BookMetadataCache::writeSpineEntry(File& file, const SpineEntry& entry) const {
-  const auto pos = file.position();
+uint32_t BookMetadataCache::writeSpineEntry(FsFile& file, const SpineEntry& entry) const {
+  const uint32_t pos = file.position();
   serialization::writeString(file, entry.href);
   serialization::writePod(file, entry.cumulativeSize);
   serialization::writePod(file, entry.tocIndex);
   return pos;
 }
 
-size_t BookMetadataCache::writeTocEntry(File& file, const TocEntry& entry) const {
-  const auto pos = file.position();
+uint32_t BookMetadataCache::writeTocEntry(FsFile& file, const TocEntry& entry) const {
+  const uint32_t pos = file.position();
   serialization::writeString(file, entry.title);
   serialization::writeString(file, entry.href);
   serialization::writeString(file, entry.anchor);
@@ -267,7 +270,7 @@ void BookMetadataCache::createTocEntry(const std::string& title, const std::stri
 /* ============= READING / LOADING FUNCTIONS ================ */
 
 bool BookMetadataCache::load() {
-  if (!FsHelpers::openFileForRead("BMC", cachePath + bookBinFile, bookFile)) {
+  if (!SdMan.openFileForRead("BMC", cachePath + bookBinFile, bookFile)) {
     return false;
   }
 
@@ -304,8 +307,8 @@ BookMetadataCache::SpineEntry BookMetadataCache::getSpineEntry(const int index)
   }
 
   // Seek to spine LUT item, read from LUT and get out data
-  bookFile.seek(lutOffset + sizeof(size_t) * index);
-  size_t spineEntryPos;
+  bookFile.seek(lutOffset + sizeof(uint32_t) * index);
+  uint32_t spineEntryPos;
   serialization::readPod(bookFile, spineEntryPos);
   bookFile.seek(spineEntryPos);
   return readSpineEntry(bookFile);
@@ -323,14 +326,14 @@ BookMetadataCache::TocEntry BookMetadataCache::getTocEntry(const int index) {
   }
 
   // Seek to TOC LUT item, read from LUT and get out data
-  bookFile.seek(lutOffset + sizeof(size_t) * spineCount + sizeof(size_t) * index);
-  size_t tocEntryPos;
+  bookFile.seek(lutOffset + sizeof(uint32_t) * spineCount + sizeof(uint32_t) * index);
+  uint32_t tocEntryPos;
   serialization::readPod(bookFile, tocEntryPos);
   bookFile.seek(tocEntryPos);
   return readTocEntry(bookFile);
 }
 
-BookMetadataCache::SpineEntry BookMetadataCache::readSpineEntry(File& file) const {
+BookMetadataCache::SpineEntry BookMetadataCache::readSpineEntry(FsFile& file) const {
   SpineEntry entry;
   serialization::readString(file, entry.href);
   serialization::readPod(file, entry.cumulativeSize);
@@ -338,7 +341,7 @@ BookMetadataCache::SpineEntry BookMetadataCache::readSpineEntry(File& file) cons
   return entry;
 }
 
-BookMetadataCache::TocEntry BookMetadataCache::readTocEntry(File& file) const {
+BookMetadataCache::TocEntry BookMetadataCache::readTocEntry(FsFile& file) const {
   TocEntry entry;
   serialization::readString(file, entry.title);
   serialization::readString(file, entry.href);

lib/Epub/Epub/BookMetadataCache.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <SD.h>
+#include <SDCardManager.h>
 
 #include <string>
 
@@ -46,15 +46,15 @@ class BookMetadataCache {
   bool loaded;
   bool buildMode;
 
-  File bookFile;
+  FsFile bookFile;
   // Temp file handles during build
-  File spineFile;
-  File tocFile;
+  FsFile spineFile;
+  FsFile tocFile;
 
-  size_t writeSpineEntry(File& file, const SpineEntry& entry) const;
-  size_t writeTocEntry(File& file, const TocEntry& entry) const;
-  SpineEntry readSpineEntry(File& file) const;
-  TocEntry readTocEntry(File& file) const;
+  uint32_t writeSpineEntry(FsFile& file, const SpineEntry& entry) const;
+  uint32_t writeTocEntry(FsFile& file, const TocEntry& entry) const;
+  SpineEntry readSpineEntry(FsFile& file) const;
+  TocEntry readTocEntry(FsFile& file) const;
 
  public:
   BookMetadata coreMetadata;

lib/Epub/Epub/Page.cpp

@@ -7,7 +7,7 @@ void PageLine::render(GfxRenderer& renderer, const int fontId, const int xOffset
   block->render(renderer, fontId, xPos + xOffset, yPos + yOffset);
 }
 
-bool PageLine::serialize(File& file) {
+bool PageLine::serialize(FsFile& file) {
   serialization::writePod(file, xPos);
   serialization::writePod(file, yPos);
 
@@ -15,7 +15,7 @@ bool PageLine::serialize(File& file) {
   return block->serialize(file);
 }
 
-std::unique_ptr<PageLine> PageLine::deserialize(File& file) {
+std::unique_ptr<PageLine> PageLine::deserialize(FsFile& file) {
   int16_t xPos;
   int16_t yPos;
   serialization::readPod(file, xPos);
@@ -31,7 +31,7 @@ void Page::render(GfxRenderer& renderer, const int fontId, const int xOffset, co
   }
 }
 
-bool Page::serialize(File& file) const {
+bool Page::serialize(FsFile& file) const {
   const uint32_t count = elements.size();
   serialization::writePod(file, count);
 
@@ -46,7 +46,7 @@ bool Page::serialize(File& file) const {
   return true;
 }
 
-std::unique_ptr<Page> Page::deserialize(File& file) {
+std::unique_ptr<Page> Page::deserialize(FsFile& file) {
   auto page = std::unique_ptr<Page>(new Page());
 
   uint32_t count;

lib/Epub/Epub/Page.h

@@ -1,5 +1,5 @@
 #pragma once
-#include <FS.h>
+#include <SdFat.h>
 
 #include <utility>
 #include <vector>
@@ -18,7 +18,7 @@ class PageElement {
   explicit PageElement(const int16_t xPos, const int16_t yPos) : xPos(xPos), yPos(yPos) {}
   virtual ~PageElement() = default;
   virtual void render(GfxRenderer& renderer, int fontId, int xOffset, int yOffset) = 0;
-  virtual bool serialize(File& file) = 0;
+  virtual bool serialize(FsFile& file) = 0;
 };
 
 // a line from a block element
@@ -29,8 +29,8 @@ class PageLine final : public PageElement {
   PageLine(std::shared_ptr<TextBlock> block, const int16_t xPos, const int16_t yPos)
       : PageElement(xPos, yPos), block(std::move(block)) {}
   void render(GfxRenderer& renderer, int fontId, int xOffset, int yOffset) override;
-  bool serialize(File& file) override;
-  static std::unique_ptr<PageLine> deserialize(File& file);
+  bool serialize(FsFile& file) override;
+  static std::unique_ptr<PageLine> deserialize(FsFile& file);
 };
 
 class Page {
@@ -38,6 +38,6 @@ class Page {
   // the list of block index and line numbers on this page
   std::vector<std::shared_ptr<PageElement>> elements;
   void render(GfxRenderer& renderer, int fontId, int xOffset, int yOffset) const;
-  bool serialize(File& file) const;
-  static std::unique_ptr<Page> deserialize(File& file);
+  bool serialize(FsFile& file) const;
+  static std::unique_ptr<Page> deserialize(FsFile& file);
 };

lib/Epub/Epub/Section.cpp

@@ -1,7 +1,6 @@
 #include "Section.h"
 
-#include <FsHelpers.h>
-#include <SD.h>
+#include <SDCardManager.h>
 #include <Serialization.h>
 
 #include "Page.h"
@@ -9,17 +8,17 @@
 
 namespace {
 constexpr uint8_t SECTION_FILE_VERSION = 7;
-constexpr size_t HEADER_SIZE = sizeof(uint8_t) + sizeof(int) + sizeof(float) + sizeof(bool) + sizeof(int) +
-                               sizeof(int) + sizeof(int) + sizeof(size_t);
+constexpr uint32_t HEADER_SIZE = sizeof(uint8_t) + sizeof(int) + sizeof(float) + sizeof(bool) + sizeof(int) +
+                                 sizeof(int) + sizeof(int) + sizeof(uint32_t);
 }  // namespace
 
-size_t Section::onPageComplete(std::unique_ptr<Page> page) {
+uint32_t Section::onPageComplete(std::unique_ptr<Page> page) {
   if (!file) {
     Serial.printf("[%lu] [SCT] File not open for writing page %d\n", millis(), pageCount);
     return 0;
   }
 
-  const auto position = file.position();
+  const uint32_t position = file.position();
   if (!page->serialize(file)) {
     Serial.printf("[%lu] [SCT] Failed to serialize page %d\n", millis(), pageCount);
     return 0;
@@ -38,7 +37,7 @@ void Section::writeSectionFileHeader(const int fontId, const float lineCompressi
   }
   static_assert(HEADER_SIZE == sizeof(SECTION_FILE_VERSION) + sizeof(fontId) + sizeof(lineCompression) +
                                    sizeof(extraParagraphSpacing) + sizeof(viewportWidth) + sizeof(viewportHeight) +
-                                   sizeof(pageCount) + sizeof(size_t),
+                                   sizeof(pageCount) + sizeof(uint32_t),
                 "Header size mismatch");
   serialization::writePod(file, SECTION_FILE_VERSION);
   serialization::writePod(file, fontId);
@@ -47,12 +46,12 @@ void Section::writeSectionFileHeader(const int fontId, const float lineCompressi
   serialization::writePod(file, viewportWidth);
   serialization::writePod(file, viewportHeight);
   serialization::writePod(file, pageCount);  // Placeholder for page count (will be initially 0 when written)
-  serialization::writePod(file, static_cast<size_t>(0));  // Placeholder for LUT offset
+  serialization::writePod(file, static_cast<uint32_t>(0));  // Placeholder for LUT offset
 }
 
 bool Section::loadSectionFile(const int fontId, const float lineCompression, const bool extraParagraphSpacing,
                               const int viewportWidth, const int viewportHeight) {
-  if (!FsHelpers::openFileForRead("SCT", filePath, file)) {
+  if (!SdMan.openFileForRead("SCT", filePath, file)) {
     return false;
   }
 
@@ -94,12 +93,12 @@ bool Section::loadSectionFile(const int fontId, const float lineCompression, con
 
 // Your updated class method (assuming you are using the 'SD' object, which is a wrapper for a specific filesystem)
 bool Section::clearCache() const {
-  if (!SD.exists(filePath.c_str())) {
+  if (!SdMan.exists(filePath.c_str())) {
     Serial.printf("[%lu] [SCT] Cache does not exist, no action needed\n", millis());
     return true;
   }
 
-  if (!SD.remove(filePath.c_str())) {
+  if (!SdMan.remove(filePath.c_str())) {
     Serial.printf("[%lu] [SCT] Failed to clear cache\n", millis());
     return false;
   }
@@ -112,13 +111,19 @@ bool Section::createSectionFile(const int fontId, const float lineCompression, c
                                 const int viewportWidth, const int viewportHeight,
                                 const std::function<void()>& progressSetupFn,
                                 const std::function<void(int)>& progressFn) {
-  constexpr size_t MIN_SIZE_FOR_PROGRESS = 50 * 1024;  // 50KB
+  constexpr uint32_t MIN_SIZE_FOR_PROGRESS = 50 * 1024;  // 50KB
   const auto localPath = epub->getSpineItem(spineIndex).href;
   const auto tmpHtmlPath = epub->getCachePath() + "/.tmp_" + std::to_string(spineIndex) + ".html";
 
+  // Create cache directory if it doesn't exist
+  {
+    const auto sectionsDir = epub->getCachePath() + "/sections";
+    SdMan.mkdir(sectionsDir.c_str());
+  }
+
   // Retry logic for SD card timing issues
   bool success = false;
-  size_t fileSize = 0;
+  uint32_t fileSize = 0;
   for (int attempt = 0; attempt < 3 && !success; attempt++) {
     if (attempt > 0) {
       Serial.printf("[%lu] [SCT] Retrying stream (attempt %d)...\n", millis(), attempt + 1);
@@ -126,12 +131,12 @@ bool Section::createSectionFile(const int fontId, const float lineCompression, c
     }
 
     // Remove any incomplete file from previous attempt before retrying
-    if (SD.exists(tmpHtmlPath.c_str())) {
-      SD.remove(tmpHtmlPath.c_str());
+    if (SdMan.exists(tmpHtmlPath.c_str())) {
+      SdMan.remove(tmpHtmlPath.c_str());
     }
 
-    File tmpHtml;
-    if (!FsHelpers::openFileForWrite("SCT", tmpHtmlPath, tmpHtml)) {
+    FsFile tmpHtml;
+    if (!SdMan.openFileForWrite("SCT", tmpHtmlPath, tmpHtml)) {
       continue;
     }
     success = epub->readItemContentsToStream(localPath, tmpHtml, 1024);
@@ -139,8 +144,8 @@ bool Section::createSectionFile(const int fontId, const float lineCompression, c
     tmpHtml.close();
 
     // If streaming failed, remove the incomplete file immediately
-    if (!success && SD.exists(tmpHtmlPath.c_str())) {
-      SD.remove(tmpHtmlPath.c_str());
+    if (!success && SdMan.exists(tmpHtmlPath.c_str())) {
+      SdMan.remove(tmpHtmlPath.c_str());
       Serial.printf("[%lu] [SCT] Removed incomplete temp file after failed attempt\n", millis());
     }
   }
@@ -157,11 +162,11 @@ bool Section::createSectionFile(const int fontId, const float lineCompression, c
     progressSetupFn();
   }
 
-  if (!FsHelpers::openFileForWrite("SCT", filePath, file)) {
+  if (!SdMan.openFileForWrite("SCT", filePath, file)) {
     return false;
   }
   writeSectionFileHeader(fontId, lineCompression, extraParagraphSpacing, viewportWidth, viewportHeight);
-  std::vector<size_t> lut = {};
+  std::vector<uint32_t> lut = {};
 
   ChapterHtmlSlimParser visitor(
       tmpHtmlPath, renderer, fontId, lineCompression, extraParagraphSpacing, viewportWidth, viewportHeight,
@@ -169,18 +174,18 @@ bool Section::createSectionFile(const int fontId, const float lineCompression, c
       progressFn);
   success = visitor.parseAndBuildPages();
 
-  SD.remove(tmpHtmlPath.c_str());
+  SdMan.remove(tmpHtmlPath.c_str());
   if (!success) {
     Serial.printf("[%lu] [SCT] Failed to parse XML and build pages\n", millis());
     file.close();
-    SD.remove(filePath.c_str());
+    SdMan.remove(filePath.c_str());
     return false;
   }
 
-  const auto lutOffset = file.position();
+  const uint32_t lutOffset = file.position();
   bool hasFailedLutRecords = false;
   // Write LUT
-  for (const auto& pos : lut) {
+  for (const uint32_t& pos : lut) {
     if (pos == 0) {
       hasFailedLutRecords = true;
       break;
@@ -191,12 +196,12 @@ bool Section::createSectionFile(const int fontId, const float lineCompression, c
   if (hasFailedLutRecords) {
     Serial.printf("[%lu] [SCT] Failed to write LUT due to invalid page positions\n", millis());
     file.close();
-    SD.remove(filePath.c_str());
+    SdMan.remove(filePath.c_str());
     return false;
   }
 
   // Go back and write LUT offset
-  file.seek(HEADER_SIZE - sizeof(size_t) - sizeof(pageCount));
+  file.seek(HEADER_SIZE - sizeof(uint32_t) - sizeof(pageCount));
   serialization::writePod(file, pageCount);
   serialization::writePod(file, lutOffset);
   file.close();
@@ -204,15 +209,15 @@ bool Section::createSectionFile(const int fontId, const float lineCompression, c
 }
 
 std::unique_ptr<Page> Section::loadPageFromSectionFile() {
-  if (!FsHelpers::openFileForRead("SCT", filePath, file)) {
+  if (!SdMan.openFileForRead("SCT", filePath, file)) {
     return nullptr;
   }
 
-  file.seek(HEADER_SIZE - sizeof(size_t));
-  size_t lutOffset;
+  file.seek(HEADER_SIZE - sizeof(uint32_t));
+  uint32_t lutOffset;
   serialization::readPod(file, lutOffset);
-  file.seek(lutOffset + sizeof(size_t) * currentPage);
-  size_t pagePos;
+  file.seek(lutOffset + sizeof(uint32_t) * currentPage);
+  uint32_t pagePos;
   serialization::readPod(file, pagePos);
   file.seek(pagePos);
 

lib/Epub/Epub/Section.h

@@ -12,11 +12,11 @@ class Section {
   const int spineIndex;
   GfxRenderer& renderer;
   std::string filePath;
-  File file;
+  FsFile file;
 
   void writeSectionFileHeader(int fontId, float lineCompression, bool extraParagraphSpacing, int viewportWidth,
                               int viewportHeight);
-  size_t onPageComplete(std::unique_ptr<Page> page);
+  uint32_t onPageComplete(std::unique_ptr<Page> page);
 
  public:
   int pageCount = 0;

lib/Epub/Epub/blocks/TextBlock.cpp

@@ -24,7 +24,7 @@ void TextBlock::render(const GfxRenderer& renderer, const int fontId, const int
   }
 }
 
-bool TextBlock::serialize(File& file) const {
+bool TextBlock::serialize(FsFile& file) const {
   if (words.size() != wordXpos.size() || words.size() != wordStyles.size()) {
     Serial.printf("[%lu] [TXB] Serialization failed: size mismatch (words=%u, xpos=%u, styles=%u)\n", millis(),
                   words.size(), wordXpos.size(), wordStyles.size());
@@ -43,7 +43,7 @@ bool TextBlock::serialize(File& file) const {
   return true;
 }
 
-std::unique_ptr<TextBlock> TextBlock::deserialize(File& file) {
+std::unique_ptr<TextBlock> TextBlock::deserialize(FsFile& file) {
   uint32_t wc;
   std::list<std::string> words;
   std::list<uint16_t> wordXpos;

lib/Epub/Epub/blocks/TextBlock.h

@@ -1,6 +1,6 @@
 #pragma once
 #include <EpdFontFamily.h>
-#include <FS.h>
+#include <SdFat.h>
 
 #include <list>
 #include <memory>
@@ -36,6 +36,6 @@ class TextBlock final : public Block {
   // given a renderer works out where to break the words into lines
   void render(const GfxRenderer& renderer, int fontId, int x, int y) const;
   BlockType getType() override { return TEXT_BLOCK; }
-  bool serialize(File& file) const;
-  static std::unique_ptr<TextBlock> deserialize(File& file);
+  bool serialize(FsFile& file) const;
+  static std::unique_ptr<TextBlock> deserialize(FsFile& file);
 };

lib/Epub/Epub/parsers/ChapterHtmlSlimParser.cpp

@@ -1,8 +1,8 @@
 #include "ChapterHtmlSlimParser.h"
 
-#include <FsHelpers.h>
 #include <GfxRenderer.h>
 #include <HardwareSerial.h>
+#include <SDCardManager.h>
 #include <expat.h>
 
 #include "../Page.h"
@@ -218,8 +218,8 @@ bool ChapterHtmlSlimParser::parseAndBuildPages() {
     return false;
   }
 
-  File file;
-  if (!FsHelpers::openFileForRead("EHP", filepath, file)) {
+  FsFile file;
+  if (!SdMan.openFileForRead("EHP", filepath, file)) {
     XML_ParserFree(parser);
     return false;
   }

lib/Epub/Epub/parsers/ContentOpfParser.cpp

@@ -35,8 +35,8 @@ ContentOpfParser::~ContentOpfParser() {
   if (tempItemStore) {
     tempItemStore.close();
   }
-  if (SD.exists((cachePath + itemCacheFile).c_str())) {
-    SD.remove((cachePath + itemCacheFile).c_str());
+  if (SdMan.exists((cachePath + itemCacheFile).c_str())) {
+    SdMan.remove((cachePath + itemCacheFile).c_str());
   }
 }
 
@@ -104,7 +104,7 @@ void XMLCALL ContentOpfParser::startElement(void* userData, const XML_Char* name
 
   if (self->state == IN_PACKAGE && (strcmp(name, "manifest") == 0 || strcmp(name, "opf:manifest") == 0)) {
     self->state = IN_MANIFEST;
-    if (!FsHelpers::openFileForWrite("COF", self->cachePath + itemCacheFile, self->tempItemStore)) {
+    if (!SdMan.openFileForWrite("COF", self->cachePath + itemCacheFile, self->tempItemStore)) {
       Serial.printf(
           "[%lu] [COF] Couldn't open temp items file for writing. This is probably going to be a fatal error.\n",
           millis());
@@ -114,7 +114,7 @@ void XMLCALL ContentOpfParser::startElement(void* userData, const XML_Char* name
 
   if (self->state == IN_PACKAGE && (strcmp(name, "spine") == 0 || strcmp(name, "opf:spine") == 0)) {
     self->state = IN_SPINE;
-    if (!FsHelpers::openFileForRead("COF", self->cachePath + itemCacheFile, self->tempItemStore)) {
+    if (!SdMan.openFileForRead("COF", self->cachePath + itemCacheFile, self->tempItemStore)) {
       Serial.printf(
           "[%lu] [COF] Couldn't open temp items file for reading. This is probably going to be a fatal error.\n",
           millis());

lib/Epub/Epub/parsers/ContentOpfParser.h

@@ -22,7 +22,7 @@ class ContentOpfParser final : public Print {
   XML_Parser parser = nullptr;
   ParserState state = START;
   BookMetadataCache* cache;
-  File tempItemStore;
+  FsFile tempItemStore;
   std::string coverItemId;
 
   static void startElement(void* userData, const XML_Char* name, const XML_Char** atts);

lib/FsHelpers/FsHelpers.cpp

@@ -1,81 +1,7 @@
 #include "FsHelpers.h"
 
-#include <SD.h>
-
 #include <vector>
 
-bool FsHelpers::openFileForRead(const char* moduleName, const char* path, File& file) {
-  if (!SD.exists(path)) {
-    Serial.printf("[%lu] [%s] File does not exist: %s\n", millis(), moduleName, path);
-    return false;
-  }
-
-  file = SD.open(path, FILE_READ);
-  if (!file) {
-    Serial.printf("[%lu] [%s] Failed to open file for reading: %s\n", millis(), moduleName, path);
-    return false;
-  }
-  return true;
-}
-
-bool FsHelpers::openFileForRead(const char* moduleName, const std::string& path, File& file) {
-  return openFileForRead(moduleName, path.c_str(), file);
-}
-
-bool FsHelpers::openFileForRead(const char* moduleName, const String& path, File& file) {
-  return openFileForRead(moduleName, path.c_str(), file);
-}
-
-bool FsHelpers::openFileForWrite(const char* moduleName, const char* path, File& file) {
-  file = SD.open(path, FILE_WRITE, true);
-  if (!file) {
-    Serial.printf("[%lu] [%s] Failed to open file for writing: %s\n", millis(), moduleName, path);
-    return false;
-  }
-  return true;
-}
-
-bool FsHelpers::openFileForWrite(const char* moduleName, const std::string& path, File& file) {
-  return openFileForWrite(moduleName, path.c_str(), file);
-}
-
-bool FsHelpers::openFileForWrite(const char* moduleName, const String& path, File& file) {
-  return openFileForWrite(moduleName, path.c_str(), file);
-}
-
-bool FsHelpers::removeDir(const char* path) {
-  // 1. Open the directory
-  File dir = SD.open(path);
-  if (!dir) {
-    return false;
-  }
-  if (!dir.isDirectory()) {
-    return false;
-  }
-
-  File file = dir.openNextFile();
-  while (file) {
-    String filePath = path;
-    if (!filePath.endsWith("/")) {
-      filePath += "/";
-    }
-    filePath += file.name();
-
-    if (file.isDirectory()) {
-      if (!removeDir(filePath.c_str())) {
-        return false;
-      }
-    } else {
-      if (!SD.remove(filePath.c_str())) {
-        return false;
-      }
-    }
-    file = dir.openNextFile();
-  }
-
-  return SD.rmdir(path);
-}
-
 std::string FsHelpers::normalisePath(const std::string& path) {
   std::vector<std::string> components;
   std::string component;

lib/FsHelpers/FsHelpers.h

@@ -1,14 +1,7 @@
 #pragma once
-#include <FS.h>
+#include <string>
 
 class FsHelpers {
  public:
-  static bool openFileForRead(const char* moduleName, const char* path, File& file);
-  static bool openFileForRead(const char* moduleName, const std::string& path, File& file);
-  static bool openFileForRead(const char* moduleName, const String& path, File& file);
-  static bool openFileForWrite(const char* moduleName, const char* path, File& file);
-  static bool openFileForWrite(const char* moduleName, const std::string& path, File& file);
-  static bool openFileForWrite(const char* moduleName, const String& path, File& file);
-  static bool removeDir(const char* path);
   static std::string normalisePath(const std::string& path);
 };

lib/GfxRenderer/Bitmap.cpp

@@ -123,7 +123,7 @@ Bitmap::~Bitmap() {
   delete[] errorNextRow;
 }
 
-uint16_t Bitmap::readLE16(File& f) {
+uint16_t Bitmap::readLE16(FsFile& f) {
   const int c0 = f.read();
   const int c1 = f.read();
   const auto b0 = static_cast<uint8_t>(c0 < 0 ? 0 : c0);
@@ -131,7 +131,7 @@ uint16_t Bitmap::readLE16(File& f) {
   return static_cast<uint16_t>(b0) | (static_cast<uint16_t>(b1) << 8);
 }
 
-uint32_t Bitmap::readLE32(File& f) {
+uint32_t Bitmap::readLE32(FsFile& f) {
   const int c0 = f.read();
   const int c1 = f.read();
   const int c2 = f.read();
@@ -192,7 +192,7 @@ BmpReaderError Bitmap::parseHeaders() {
   const uint16_t bfType = readLE16(file);
   if (bfType != 0x4D42) return BmpReaderError::NotBMP;
 
-  file.seek(8, SeekCur);
+  file.seekCur(8);
   bfOffBits = readLE32(file);
 
   // --- DIB HEADER ---
@@ -214,10 +214,10 @@ BmpReaderError Bitmap::parseHeaders() {
   // Allow BI_RGB (0) for all, and BI_BITFIELDS (3) for 32bpp which is common for BGRA masks.
   if (!(comp == 0 || (bpp == 32 && comp == 3))) return BmpReaderError::UnsupportedCompression;
 
-  file.seek(12, SeekCur);  // biSizeImage, biXPelsPerMeter, biYPelsPerMeter
+  file.seekCur(12);  // biSizeImage, biXPelsPerMeter, biYPelsPerMeter
   const uint32_t colorsUsed = readLE32(file);
   if (colorsUsed > 256u) return BmpReaderError::PaletteTooLarge;
-  file.seek(4, SeekCur);  // biClrImportant
+  file.seekCur(4);  // biClrImportant
 
   if (width <= 0 || height <= 0) return BmpReaderError::BadDimensions;