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Cleanup pass

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Removed the getFontXHeight method from GfxRenderer interface. Updated documentation to clarify that getFontCapHeight returns the 'H' glyph height for optical alignment, and improved the comment for getTextVisualCenterOffset to be more concise.
This commit is contained in:
Justin Mitchell
2026-06-15 23:55:19 -04:00
parent 4a5b45409f
commit 1c63847631
17 changed files with 16 additions and 178 deletions
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lib/GfxRenderer/GfxRenderer.h
+4 -6
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@@ -225,13 +225,11 @@ class GfxRenderer {
int getTextAdvanceX(int fontId, const char* text, EpdFontFamily::Style style) const;
int getFontAscenderSize(int fontId) const;
int getLineHeight(int fontId) const;
// Real visible font metrics (from the 'H' / 'x' glyph geometry) for vertical
// alignment that follows the font, not a guessed ascender fraction.
// Cap height (from the 'H' glyph), the real visible font extent for vertical
// alignment that follows the font instead of a guessed ascender fraction.
int getFontCapHeight(int fontId) const;
int getFontXHeight(int fontId) const;
// Offset from drawText's y (text top) to the text's optical vertical center.
// Center any element (icon, etc.) on a line of text via:
// centerY = textTop + getTextVisualCenterOffset(fontId)
// Offset from text top (drawText's y) to the text's optical center; align an
// element to a line via centerY = textTop + getTextVisualCenterOffset(fontId).
int getTextVisualCenterOffset(int fontId) const;
std::string truncatedText(int fontId, const char* text, int maxWidth,
EpdFontFamily::Style style = EpdFontFamily::REGULAR) const;