quad-morph-filter: init at 1.0.0 (#531424)

pkgs/by-name/qu/quad-morph-filter/filtervisualizer-clamp-width.patch

@@ -0,0 +1,38 @@
+diff --git a/Source/UI/FilterVisualizer.cpp b/Source/UI/FilterVisualizer.cpp
+index 103da54..c96a62a 100644
+--- a/Source/UI/FilterVisualizer.cpp
++++ b/Source/UI/FilterVisualizer.cpp
+@@ -151,9 +151,15 @@ void FilterVisualizer::paint(juce::Graphics& g)
+ 
+     wA = wMixArr[0]; wB = wMixArr[1]; wC = wMixArr[2]; wD = wMixArr[3];
+     // ----- 周波数応答の計算 -----
+-    int wInt = (int)w;
++    // The standalone window is resizable, and on HiDPI / large / tiled displays
++    // the visualizer is far wider than the design's assumed ~700px. Clamp the
++    // working width to the rawMag capacity: an unclamped px loop writes past the
++    // end of rawMag and corrupts the adjacent editor members (the next member,
++    // groupA.enableButton, is child #2 of the editor), which later crashes in
++    // Component::paintComponentAndChildren via a dangling affineTransform.
++    const int wInt = juce::jmin ((int) w, (int) rawMag.size() - 1);
+     // rawMag はメンバー変数 (paint()内allocを回避)。使用範囲だけゼロクリア。
+-    std::fill(rawMag.begin(), rawMag.begin() + juce::jmin(wInt + 2, 1024), 0.0f);
++    std::fill(rawMag.begin(), rawMag.begin() + juce::jmin(wInt + 2, (int) rawMag.size()), 0.0f);
+     for (int px = 0; px <= wInt; ++px)
+     {
+         float freq = 20.0f * std::pow(1000.0f, (float)px / w);
+diff --git a/Source/UI/FilterVisualizer.h b/Source/UI/FilterVisualizer.h
+index 05a193b..4854851 100644
+--- a/Source/UI/FilterVisualizer.h
++++ b/Source/UI/FilterVisualizer.h
+@@ -25,8 +25,9 @@ private:
+     QuadMorphFilterAudioProcessorEditor* editor = nullptr;
+ 
+     // paint() 内アロケーション禁止 (CLAUDE.md §4) のためメンバーに移行。
+-    // FilterVisualizer の幅は最大 ~700px なので 1024 で十分。
+-    std::array<float, 1024> rawMag {};
++    // Sized to cover wide / HiDPI windows; paint() additionally clamps the
++    // working width to this capacity so the buffer can never be overrun.
++    std::array<float, 4096> rawMag {};
+ 
+     // Background color randomization
+     juce::Colour bgColour = juce::Colour(0xff2a2a2a);  // Default dark color

pkgs/by-name/qu/quad-morph-filter/package.nix

@@ -0,0 +1,126 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+
+  cmake,
+  pkg-config,
+
+  alsa-lib,
+  freetype,
+  juce,
+  xsimd,
+
+  libx11,
+  libxcursor,
+  libxext,
+  libxinerama,
+  libxrandr,
+
+  nix-update-script,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "quad-morph-filter";
+  version = "1.0.0";
+
+  src = fetchFromGitHub {
+    owner = "OTODESK4193";
+    repo = "QuadMorphFilter";
+    tag = "V${finalAttrs.version}";
+    hash = "sha256-xz97h8j411r7g6fSVDo8E4ARLyIP++qK26aTvDqP+Yo=";
+  };
+
+  __structuredAttrs = true;
+  strictDeps = true;
+
+  # FilterVisualizer writes a per-pixel response curve into a fixed
+  # std::array<float,1024>, assuming the editor is <=1024px wide. The standalone
+  # window is resizable (HiDPI/large/tiled displays make it far wider), so the
+  # write overruns the array and smashes adjacent editor members -> SIGSEGV on the
+  # first paint. Clamp the width to the buffer and size the buffer for wide windows.
+  # see https://github.com/OTODESK4193/QuadMorphFilter/issues/2
+  patches = [ ./filtervisualizer-clamp-width.patch ];
+
+  postPatch = ''
+    # Use JUCE from nixpkgs instead of a hardcoded Windows path, and drop
+    # -mavx2/-mfma: baseline x86_64-linux has no AVX2 and other platforms
+    # reject the flags. The code contains no AVX intrinsics; it compiles
+    # and runs fine without them.
+    substituteInPlace CMakeLists.txt \
+      --replace-fail 'set(JUCE_DIR "C:/JUCE")' 'find_package(JUCE CONFIG REQUIRED)' \
+      --replace-fail 'add_subdirectory(''${JUCE_DIR} build_juce)' "" \
+      --replace-fail ' -mavx2 -mfma' "" \
+      --replace-fail ' -ffast-math' ""
+
+    # The Linux WebBrowserComponent (gtk3/webkit) and curl are unused by the
+    # plugin; disable them instead of pulling the dependencies in.
+    printf '\ntarget_compile_definitions(QuadMorphFilter PUBLIC JUCE_WEB_BROWSER=0 JUCE_USE_CURL=0)\n' >> CMakeLists.txt
+  '';
+
+  nativeBuildInputs = [
+    cmake
+    pkg-config
+  ];
+  buildInputs = [
+    alsa-lib
+    freetype
+    juce # propagates fontconfig
+    libx11
+    libxcursor
+    libxext
+    libxinerama
+    libxrandr
+    xsimd
+  ];
+
+  cmakeFlags = [
+    # Upstream pulls xsimd via FetchContent; resolve it through
+    # find_package against the xsimd in buildInputs instead of the network.
+    (lib.cmakeFeature "FETCHCONTENT_TRY_FIND_PACKAGE_MODE" "ALWAYS")
+  ];
+
+  cmakeBuildType = "RelWithDebInfo";
+
+  # JUCE dlopens these at runtime, standalone executable crashes without them.
+  # Must go through `env`: with __structuredAttrs only `env` entries are
+  # exported, so a top-level NIX_LDFLAGS never reaches the ld wrapper.
+  env.NIX_LDFLAGS = toString [
+    "-lX11"
+    "-lXext"
+    "-lXcursor"
+    "-lXinerama"
+    "-lXrandr"
+  ];
+
+  # Upstream has no install rules.
+  installPhase = ''
+    runHook preInstall
+
+    install -Dm755 "QuadMorphFilter_artefacts/$cmakeBuildType/Standalone/Quad-Morph Filter" \
+      "$out/bin/quad-morph-filter"
+    mkdir -p "$out/lib/vst3"
+    cp -r "QuadMorphFilter_artefacts/$cmakeBuildType/VST3/Quad-Morph Filter.vst3" "$out/lib/vst3/"
+
+    runHook postInstall
+  '';
+
+  passthru.updateScript = nix-update-script {
+    extraArgs = [
+      "--version-regex"
+      "V(.*)"
+    ];
+  };
+
+  meta = {
+    description = "Morphing multi-filter audio plugin with 28 filter models controlled from an XY pad";
+    homepage = "https://github.com/OTODESK4193/QuadMorphFilter";
+    changelog = "https://github.com/OTODESK4193/QuadMorphFilter/releases/tag/V${finalAttrs.version}";
+    # Stated in README.md ("GPLv3, inherited via the JUCE framework");
+    # the repository ships no LICENSE file.
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ magnetophon ];
+    platforms = lib.platforms.linux;
+    mainProgram = "quad-morph-filter";
+  };
+})