Common: Add an image helper class

src/common/image.cpp

@@ -0,0 +1,39 @@
+#include "image.h"
+#include "log.h"
+#include "stb_image.h"
+Log_SetChannel(Common::Image);
+
+namespace Common {
+bool LoadImageFromFile(Common::RGBA8Image* image, const char* filename)
+{
+  int width, height, file_channels;
+  u8* pixel_data = stbi_load(filename, &width, &height, &file_channels, 4);
+  if (!pixel_data)
+  {
+    const char* error_reason = stbi_failure_reason();
+    Log_ErrorPrintf("Failed to load image from '%s': %s", filename, error_reason ? error_reason : "unknown error");
+    return false;
+  }
+
+  image->SetPixels(static_cast<u32>(width), static_cast<u32>(height), reinterpret_cast<const u32*>(pixel_data));
+  stbi_image_free(pixel_data);
+  return true;
+}
+
+bool LoadImageFromBuffer(Common::RGBA8Image* image, const void* buffer, std::size_t buffer_size)
+{
+  int width, height, file_channels;
+  u8* pixel_data = stbi_load_from_memory(static_cast<const stbi_uc*>(buffer), static_cast<int>(buffer_size), &width,
+                                         &height, &file_channels, 4);
+  if (!pixel_data)
+  {
+    const char* error_reason = stbi_failure_reason();
+    Log_ErrorPrintf("Failed to load image from memory: %s", error_reason ? error_reason : "unknown error");
+    return false;
+  }
+
+  image->SetPixels(static_cast<u32>(width), static_cast<u32>(height), reinterpret_cast<const u32*>(pixel_data));
+  stbi_image_free(pixel_data);
+  return true;
+}
+} // namespace Common