feat: add Bookerly font plugin with style selection and SmallerFonts integration

2026-04-21 18:56:14 -07:00
1 parent 1dc223cde8
commit 7f704878e9
@@ -0,0 +1,86 @@
+#include "SmallerFontsPlugin.h"
+#include "fontIds.h"
+
+namespace SmallerFontsPlugin {
+
+const char* modeName(SmallerFontsMode mode) {
+    switch (mode) {
+        case SmallerFontsMode::SMALLER:  return "Smaller";
+        case SmallerFontsMode::SMALLEST: return "Smallest";
+        default:                         return "Disabled";
+    }
+}
+
+int resolveReaderFontId(int baseFontId, SmallerFontsMode mode) {
+    if (mode == SmallerFontsMode::MODE_OFF) return baseFontId;
+
+#ifdef BOOKERLY_8_FONT_ID
+    if (baseFontId == BOOKERLY_8_FONT_ID)  return BOOKERLY_8_FONT_ID;
+    if (baseFontId == BOOKERLY_10_FONT_ID) {
+        if (mode == SmallerFontsMode::SMALLER)  return BOOKERLY_8_FONT_ID;
+        if (mode == SmallerFontsMode::SMALLEST) return BOOKERLY_8_FONT_ID;
+    }
+    if (baseFontId == BOOKERLY_12_FONT_ID) {
+        if (mode == SmallerFontsMode::SMALLER)  return BOOKERLY_10_FONT_ID;
+        if (mode == SmallerFontsMode::SMALLEST) return BOOKERLY_8_FONT_ID;
+    }
+    if (baseFontId == BOOKERLY_14_FONT_ID) {
+        if (mode == SmallerFontsMode::SMALLER)  return BOOKERLY_12_FONT_ID;
+        if (mode == SmallerFontsMode::SMALLEST) return BOOKERLY_10_FONT_ID;
+    }
+    if (baseFontId == BOOKERLY_16_FONT_ID) {
+        if (mode == SmallerFontsMode::SMALLER)  return BOOKERLY_14_FONT_ID;
+        if (mode == SmallerFontsMode::SMALLEST) return BOOKERLY_12_FONT_ID;
+    }
+    if (baseFontId == BOOKERLY_18_FONT_ID) {
+        if (mode == SmallerFontsMode::SMALLER)  return BOOKERLY_16_FONT_ID;
+        if (mode == SmallerFontsMode::SMALLEST) return BOOKERLY_14_FONT_ID;
+    }
+#endif
+
+    if (baseFontId == NOTOSERIF_12_FONT_ID) return NOTOSERIF_12_FONT_ID;
+    if (baseFontId == NOTOSERIF_14_FONT_ID) {
+        if (mode == SmallerFontsMode::SMALLER)  return NOTOSERIF_12_FONT_ID;
+        if (mode == SmallerFontsMode::SMALLEST) return NOTOSERIF_12_FONT_ID;
+    }
+    if (baseFontId == NOTOSERIF_16_FONT_ID) {
+        if (mode == SmallerFontsMode::SMALLER)  return NOTOSERIF_14_FONT_ID;
+        if (mode == SmallerFontsMode::SMALLEST) return NOTOSERIF_12_FONT_ID;
+    }
+    if (baseFontId == NOTOSERIF_18_FONT_ID) {
+        if (mode == SmallerFontsMode::SMALLER)  return NOTOSERIF_16_FONT_ID;
+        if (mode == SmallerFontsMode::SMALLEST) return NOTOSERIF_14_FONT_ID;
+    }
+
+    if (baseFontId == NOTOSANS_12_FONT_ID) return NOTOSANS_12_FONT_ID;
+    if (baseFontId == NOTOSANS_14_FONT_ID) {
+        if (mode == SmallerFontsMode::SMALLER)  return NOTOSANS_12_FONT_ID;
+        if (mode == SmallerFontsMode::SMALLEST) return NOTOSANS_12_FONT_ID;
+    }
+    if (baseFontId == NOTOSANS_16_FONT_ID) {
+        if (mode == SmallerFontsMode::SMALLER)  return NOTOSANS_14_FONT_ID;
+        if (mode == SmallerFontsMode::SMALLEST) return NOTOSANS_12_FONT_ID;
+    }
+    if (baseFontId == NOTOSANS_18_FONT_ID) {
+        if (mode == SmallerFontsMode::SMALLER)  return NOTOSANS_16_FONT_ID;
+        if (mode == SmallerFontsMode::SMALLEST) return NOTOSANS_14_FONT_ID;
+    }
+
+    if (baseFontId == OPENDYSLEXIC_8_FONT_ID)  return OPENDYSLEXIC_8_FONT_ID;
+    if (baseFontId == OPENDYSLEXIC_10_FONT_ID) {
+        if (mode == SmallerFontsMode::SMALLER)  return OPENDYSLEXIC_8_FONT_ID;
+        if (mode == SmallerFontsMode::SMALLEST) return OPENDYSLEXIC_8_FONT_ID;
+    }
+    if (baseFontId == OPENDYSLEXIC_12_FONT_ID) {
+        if (mode == SmallerFontsMode::SMALLER)  return OPENDYSLEXIC_10_FONT_ID;
+        if (mode == SmallerFontsMode::SMALLEST) return OPENDYSLEXIC_8_FONT_ID;
+    }
+    if (baseFontId == OPENDYSLEXIC_14_FONT_ID) {
+        if (mode == SmallerFontsMode::SMALLER)  return OPENDYSLEXIC_12_FONT_ID;
+        if (mode == SmallerFontsMode::SMALLEST) return OPENDYSLEXIC_10_FONT_ID;
+    }
+
+    return baseFontId;
+}
+
+}