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Clamp all color arguments to [0, 1] in cases where values outside that range don't make sense (fixed-point color values & sRGB colors). Closes issue #1315.

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branch : minor
This commit is contained in:
Alex Szpakowski
2017-11-21 19:49:52 -04:00
parent 1cd1a8d32e
commit 6dea2ab714
9 changed files with 59 additions and 36 deletions
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src/modules/graphics/wrap_Graphics.cpp
+4 -4
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@@ -2445,10 +2445,10 @@ int w_points(lua_State *L)
positions[i].x = luax_checkfloat(L, -6);
positions[i].y = luax_checkfloat(L, -5);
colors[i].r = (float) luaL_optnumber(L, -4, 1.0);
colors[i].g = (float) luaL_optnumber(L, -3, 1.0);
colors[i].b = (float) luaL_optnumber(L, -2, 1.0);
colors[i].a = (float) luaL_optnumber(L, -1, 1.0);
colors[i].r = (float) luax_optnumberclamped01(L, -4, 1.0);
colors[i].g = (float) luax_optnumberclamped01(L, -3, 1.0);
colors[i].b = (float) luax_optnumberclamped01(L, -2, 1.0);
colors[i].a = (float) luax_optnumberclamped01(L, -1, 1.0);
lua_pop(L, 7);
}