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More subpixel tweaking

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This commit is contained in:
Magnus Norddahl 2023-12-29 00:21:15 +01:00 committed by Christoph Oelckers
parent 9675ac978d
commit 945317ed64
1 changed files with 4 additions and 5 deletions
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9
libraries/ZWidget/src/core/canvas.cpp
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@ -80,7 +80,6 @@ public:
int w = (glyph->metrics.minWidth + 3) & ~3;
int h = glyph->metrics.minHeight;
int maxw = w - 1;
int destwidth = (w + 2) / 3;
@ -108,11 +107,11 @@ public:
{
uint32_t values[5] =
{
sline[std::max(x - 1, 0)],
x > 0 ? sline[x - 1] : 0U,
sline[x],
sline[std::min(x + 1, maxw)],
sline[std::min(x + 2, maxw)],
sline[std::min(x + 3, maxw)],
x + 1 < w ? sline[x + 1] : 0U,
x + 2 < w ? sline[x + 2] : 0U,
x + 3 < w ? sline[x + 3] : 0U
};
uint32_t red = (values[0] + values[1] + values[1] + values[2] + 2) >> 2;