Core: Convert transparency to alpha (#24891)

* Core: Convert transparency to alpha Create new `Base::getVersion()` function for extracting a program version enumeration given a version string. Convert transparency to alpha value for old project files. * Base/App: Address review comments --------- Co-authored-by: wmayer <wmayer@freecad.org>
2025-11-17 10:15:19 -06:00
parent 32490c96cd
commit 71104a08e7
4 changed files with 137 additions and 0 deletions
--- a/src/Base/ProgramVersion.h
+++ b/src/Base/ProgramVersion.h
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
+/***************************************************************************
+ *   Copyright (c) 2024 Werner Mayer <wmayer[at]users.sourceforge.net>     *
+ *                                                                         *
+ *   This file is part of FreeCAD.                                         *
+ *                                                                         *
+ *   FreeCAD is free software: you can redistribute it and/or modify it    *
+ *   under the terms of the GNU Lesser General Public License as           *
+ *   published by the Free Software Foundation, either version 2.1 of the  *
+ *   License, or (at your option) any later version.                       *
+ *                                                                         *
+ *   FreeCAD is distributed in the hope that it will be useful, but        *
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      *
+ *   Lesser General Public License for more details.                       *
+ *                                                                         *
+ *   You should have received a copy of the GNU Lesser General Public      *
+ *   License along with FreeCAD. If not, see                               *
+ *   <https://www.gnu.org/licenses/>.                                      *
+ *                                                                         *
+ **************************************************************************/
+
+#ifndef BASE_PROGRAM_VERSION_H
+#define BASE_PROGRAM_VERSION_H
+
+#include <algorithm>
+#include <cstdint>
+#include <string_view>
+#include <FCGlobal.h>
+
+namespace Base
+{
+
+enum class Version : std::uint8_t
+{
+    v0_1x,
+    v0_16,
+    v0_17,
+    v0_18,
+    v0_19,
+    v0_20,
+    v0_21,
+    v0_22,
+    v1_0,
+    v1_1,
+    v1_x,
+};
+
+inline Version getVersion(std::string_view str)
+{
+    // clang-format off
+    struct VersionItem
+    {
+        std::string_view name;
+        Version version;
+    };
+    static const std::initializer_list<VersionItem> items = {
+        {.name="0.16", .version=Version::v0_16},
+        {.name="0.17", .version=Version::v0_17},
+        {.name="0.18", .version=Version::v0_18},
+        {.name="0.19", .version=Version::v0_19},
+        {.name="0.20", .version=Version::v0_20},
+        {.name="0.21", .version=Version::v0_21},
+        {.name="0.22", .version=Version::v0_22},
+        {.name="1.0" , .version=Version::v1_0 },
+        {.name="1.1" , .version=Version::v1_1 },
+    };
+    // clang-format on
+    auto it = std::ranges::find_if(items, [str](const auto& item) {
+        return str.compare(0, item.name.size(), item.name) == 0;
+    });
+    if (it != items.end()) {
+        return it->version;
+    }
+    if (!str.empty() && str[0] == '0') {
+        return Version::v0_1x;
+    }
+    return Version::v1_x;
+}
+
+}  // namespace Base
+
+#endif  // BASE_PROGRAM_VERSION_H