util: add --resize

hyprcursor-util/README.md

@@ -15,4 +15,8 @@ Cursor themes can be in 3 states:
 
 `--extract | -x [path]` -> extract an xcursor theme into a working state
 
-both commands support `--output | -o` to specify an output directory. This directory will be fully overwritten, and by default is `./theme` and `./extracted` respectively.
+both commands support `--output | -o` to specify an output directory. This directory will be fully overwritten, and by default is `./theme` and `./extracted` respectively.
+
+### Flags
+
+`--resize [mode]` - for `extract`: specify a default resize algorithm for shapes. Default is `none`.

hyprcursor-util/src/main.cpp

@@ -12,6 +12,8 @@ enum eOperation {
     OPERATION_EXTRACT = 1,
 };
 
+eResizeAlgo explicitResizeAlgo = RESIZE_INVALID;
+
 struct XCursorConfigEntry {
     int         size = 0, hotspotX = 0, hotspotY = 0, delay = 0;
     std::string image;
@@ -349,7 +351,7 @@ static std::optional<std::string> extractXTheme(const std::string& xpath, const
         }
 
         // write a meta.hl
-        std::string metaString = "resize_algorithm = none\n";
+        std::string metaString = std::format("resize_algorithm = {}\n", explicitResizeAlgo == RESIZE_INVALID ? "none" : algoToString(explicitResizeAlgo));
 
         // find hotspot from first entry
         metaString +=
@@ -431,6 +433,9 @@ int main(int argc, char** argv, char** envp) {
         if (arg == "-o" || arg == "--output") {
             out = argv[++i];
             continue;
+        } else if (arg == "--resize") {
+            explicitResizeAlgo = stringToAlgo(argv[++i]);
+            continue;
         } else {
             std::cerr << "Unknown arg: " << arg << "\n";
             return 1;

libhyprcursor/internalSharedTypes.hpp

@@ -4,9 +4,10 @@
 #include <memory>
 
 enum eResizeAlgo {
-    RESIZE_NONE     = 0,
-    RESIZE_BILINEAR = 1,
-    RESIZE_NEAREST  = 2,
+    RESIZE_INVALID = 0,
+    RESIZE_NONE,
+    RESIZE_BILINEAR,
+    RESIZE_NEAREST,
 };
 
 enum eShapeType {
@@ -23,6 +24,17 @@ inline eResizeAlgo stringToAlgo(const std::string& s) {
     return RESIZE_BILINEAR;
 }
 
+inline std::string algoToString(const eResizeAlgo a) {
+    switch (a) {
+        case RESIZE_BILINEAR: return "bilinear";
+        case RESIZE_NEAREST: return "nearest";
+        case RESIZE_NONE: return "none";
+        default: return "none";
+    }
+
+    return "none";
+}
+
 struct SCursorImage {
     std::string filename;
     int         size  = 0;