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fix black pixel "halo"

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Need to only set alpha to 1 if the pixel is not transparent

closes: #1110
This commit is contained in:
Wez Furlong 2021-09-06 09:31:50 -07:00
parent 05fc55a128
commit 3f212012f2
1 changed files with 2 additions and 2 deletions
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4
wezterm-font/src/rasterizer/freetype.rs
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@ -134,7 +134,7 @@ impl FreeTypeRasterizer {
rgba[dest_offset + (x * 4)] = gray;
rgba[dest_offset + (x * 4) + 1] = gray;
rgba[dest_offset + (x * 4) + 2] = gray;
rgba[dest_offset + (x * 4) + 3] = 0xff;
rgba[dest_offset + (x * 4) + 3] = if gray == 0 { 0 } else { 0xff };
}
}
RasterizedGlyph {
@ -177,7 +177,7 @@ impl FreeTypeRasterizer {
rgba[dest_offset + (x * 4)] = red;
rgba[dest_offset + (x * 4) + 1] = green;
rgba[dest_offset + (x * 4) + 2] = blue;
rgba[dest_offset + (x * 4) + 3] = 0xff;
rgba[dest_offset + (x * 4) + 3] = if red | green | blue == 0 { 0 } else { 0xff };
}
}