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notcurses_rasterize: update comment about damagemap

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nick black 2020-06-13 15:18:04 -04:00
parent ee73df3059
commit 22dc5014cc
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1 changed files with 1 additions and 2 deletions
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src/lib/render.c
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@ -864,8 +864,7 @@ notcurses_rasterize(notcurses* nc, const struct crender* rvec){
int y, x;
fseeko(out, 0, SEEK_SET);
// we only need to emit a coordinate if it was damaged. the damagemap is a
// bit per coordinate, rows by rows, column by column within a row, with the
// MSB being the first coordinate.
// bit per coordinate, one per struct crender.
// don't write a clearscreen. we only update things that have been changed.
// we explicitly move the cursor at the beginning of each output line, so no
// need to home it expliticly.