Method AddLine

tutorials/common/imgui/imgui_draw.cpp:1373–1380

}

void ImDrawList::AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness)
{
    if ((col & IM_COL32_A_MASK) == 0)
        return;
    PathLineTo(p1 + ImVec2(0.5f, 0.5f));
    PathLineTo(p2 + ImVec2(0.5f, 0.5f));
    PathStroke(col, 0, thickness);
}

// p_min = upper-left, p_max = lower-right
// Note we don't render 1 pixels sized rectangles properly.