render/terminal_painter
library
Classes
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CursorPainter
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Paints only the cursor cell, on a layer above TerminalPainter. Repaints on
grid mutation (cursor move) and on blinkOn toggles — so an idle blink
re-rasters a single cell instead of the whole grid. The block cursor redraws
the underlying glyph in the cell's bg color, which correctly covers the grid
layer's glyph below it.
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HintColors
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Background/foreground for hint-highlighted (hyperlink) cells.
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SearchColors
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TerminalPainter
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Paints the terminal grid (backgrounds + glyphs + decorations) — everything
except the cursor, which lives on its own CursorPainter layer so the blink
timer doesn't repaint the whole grid. Repaints only on grid mutation.
Functions
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applyMatchOrHint(int flags, ({int bg, int fg}) ec, SearchColors search, HintColors hint)
→ ({int bg, int fg})
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Effective fg/bg with full precedence: focused-match > match > hyperlink > base.
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cursorInk(int cursorColor, int inverseFg)
→ Color
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Cursor ink color: the program-set OSC 12 color when present, else an
inverse-video cursor using the cell's effective fg.
cursorColor is the
raw snapshot value (0x00RRGGBB) or kCursorColorUnset.
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cursorRect(int shape, double cellWidth, double cellHeight, double lineWidth)
→ Rect
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Cursor rect for shape (0 block, 1 underline, 2 beam, 3 hollow) at cell origin.
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decorationYs(double cellTop, double cellHeight)
→ ({double strikeout, double underline})
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effectiveColors(int flags, int rawFg, int rawBg)
→ ({int bg, int fg})
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Packed-RGB fg/bg after applying inverse (swap) and dim (darken fg).
