Refactor + render animation tweaks + updated frame properties + bug fixes

src/util/process_.cpp

@@ -0,0 +1,55 @@
+#include "process_.h"
+
+namespace anm2ed::util
+{
+  Process::Process(const char* command, const char* mode) { open(command, mode); }
+
+  Process::~Process() { close(); }
+
+  bool Process::open(const char* command, const char* mode)
+  {
+    close();
+
+#ifdef WIN32
+    pipe = _popen(command, mode);
+#else
+    pipe = popen(command, mode);
+#endif
+    return pipe != nullptr;
+  }
+
+  int Process::close()
+  {
+    if (pipe)
+    {
+#ifdef WIN32
+      auto result = _pclose(pipe);
+#else
+      auto result = pclose(pipe);
+#endif
+      pipe = nullptr;
+
+      return result;
+    }
+
+    return -1;
+  }
+
+  std::string Process::output_get_and_close()
+  {
+    std::string output{};
+    if (!pipe) return {};
+
+    char buffer[256];
+    while (fgets(buffer, sizeof(buffer), pipe))
+      output += buffer;
+
+    close();
+
+    return output;
+  }
+
+  FILE* Process::get() const { return pipe; }
+
+  Process::operator bool() const { return pipe != nullptr; }
+}