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AA branch: Minor optimisation merge + thickness for non-aa strokes.

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This commit is contained in:
ocornut 2015-04-09 23:00:55 +01:00
parent dbc9b2ec9b
commit c3a71f5472
1 changed files with 12 additions and 9 deletions
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21
imgui.cpp
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@ -7833,16 +7833,19 @@ void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32
if (d > 0)
diff *= 1.0f / sqrtf(d);
ImVec2 hn;
hn.x = diff.y * 0.5f;
hn.y = -diff.x * 0.5f;
const float dx = diff.x * (thickness * 0.5f);
const float dy = diff.y * (thickness * 0.5f);
PrimVtx(v0 - hn, uv, col);
PrimVtx(v0 + hn, uv, col);
PrimVtx(v1 + hn, uv, col);
PrimVtx(v0 - hn, uv, col);
PrimVtx(v1 + hn, uv, col);
PrimVtx(v1 - hn, uv, col);
const ImVec2 pa(v0.x + dy, v0.y - dx);
const ImVec2 pb(v1.x + dy, v1.y - dx);
const ImVec2 pc(v1.x - dy, v1.y + dx);
const ImVec2 pd(v0.x - dy, v0.y + dx);
PrimVtx(pa, uv, col);
PrimVtx(pb, uv, col);
PrimVtx(pc, uv, col);
PrimVtx(pa, uv, col);
PrimVtx(pc, uv, col);
PrimVtx(pd, uv, col);
}
}
}