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Add FreeInkBook EPUB engine migration guide

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Document migration plan from CrossPoint's lib/Epub to FreeInkBook, a memory-efficient clean-room EPUB engine. Covers advantages (O(paragraph+page) memory via SAX parsing, arena allocation, host-testable, full UAX#14 typography, runtime TTF/OTF support), 9-step migration strategy, ESP32-C3 constraints, and integration approach preserving existing UI layer while replacing parsing/layout stack.
This commit is contained in:
Justin Mitchell
2026-07-08 00:22:21 -04:00
parent 5776911af0
commit 0848649ce2
49 changed files with 1065 additions and 15633 deletions
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lib/EpdFont/EpdFontFamily.cpp
+8
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@@ -28,10 +28,18 @@ const EpdGlyph* EpdFontFamily::getGlyph(const uint32_t cp, const Style style) co
return getFont(style)->getGlyph(cp);
}
bool EpdFontFamily::hasGlyph(const uint32_t cp, const Style style) const {
return getFont(style)->hasGlyph(cp);
}
int8_t EpdFontFamily::getKerning(const uint32_t leftCp, const uint32_t rightCp, const Style style) const {
return getFont(style)->getKerning(leftCp, rightCp);
}
uint32_t EpdFontFamily::getLigature(const uint32_t leftCp, const uint32_t rightCp, const Style style) const {
return getFont(style)->getLigature(leftCp, rightCp);
}
uint32_t EpdFontFamily::applyLigatures(const uint32_t cp, const char*& text, const Style style) const {
return getFont(style)->applyLigatures(cp, text);
}