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ColorEdit4: Alpha default to 255 (instead of 0) when omitted in hex input. (#3973)

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Courtesy of @squadack
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ocornut
2021-03-26 11:34:07 +01:00
parent 688e06490e
commit 1dcd3a45cc
2 changed files with 3 additions and 1 deletions
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3
imgui_widgets.cpp
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@ -4804,7 +4804,8 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
char* p = buf;
while (*p == '#' || ImCharIsBlankA(*p))
p++;
i[0] = i[1] = i[2] = i[3] = 0;
i[0] = i[1] = i[2] = 0;
i[3] = 0xFF; // alpha default to 255 is not parsed by scanf (e.g. inputting #FFFFFF omitting alpha)
if (alpha)
sscanf(p, "%02X%02X%02X%02X", (unsigned int*)&i[0], (unsigned int*)&i[1], (unsigned int*)&i[2], (unsigned int*)&i[3]); // Treat at unsigned (%X is unsigned)
else