1 files changed, 65 insertions, 0 deletions
diff --git a/Source/Core/InputCommon/ImageOperations.h b/Source/Core/InputCommon/ImageOperations.h
new file mode 100644
index 0000000000..28d3859ff5
--- /dev/null
+++ b/Source/Core/InputCommon/ImageOperations.h
@@ -0,0 +1,65 @@
+// Copyright 2019 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <optional>
+#include <string>
+#include <vector>
+
+#include "Common/CommonTypes.h"
+#include "Common/MathUtil.h"
+#include "Common/Matrix.h"
+
+namespace InputCommon
+{
+struct Pixel
+{
+  u8 r = 0;
+  u8 g = 0;
+  u8 b = 0;
+  u8 a = 0;
+
+  bool operator==(const Pixel& o) const { return r == o.r && g == o.g && b == o.b && a == o.a; }
+  bool operator!=(const Pixel& o) const { return !(o == *this); }
+};
+
+using Point = Common::TVec2<u32>;
+using Rect = MathUtil::Rectangle<u32>;
+
+struct ImagePixelData
+{
+  ImagePixelData() = default;
+
+  explicit ImagePixelData(std::vector<Pixel> image_pixels, u32 width, u32 height)
+      : pixels(std::move(image_pixels)), width(width), height(height)
+  {
+  }
+
+  explicit ImagePixelData(u32 width, u32 height, const Pixel& default_color = Pixel{0, 0, 0, 0})
+      : pixels(width * height, default_color), width(width), height(height)
+  {
+  }
+  std::vector<Pixel> pixels;
+  u32 width = 0;
+  u32 height = 0;
+};
+
+void CopyImageRegion(const ImagePixelData& src, ImagePixelData& dst, const Rect& src_region,
+                     const Rect& dst_region);
+
+std::optional<ImagePixelData> LoadImage(const std::string& path);
+
+bool WriteImage(const std::string& path, const ImagePixelData& image);
+
+enum class ResizeMode
+{
+  Nearest,
+};
+
+ImagePixelData Resize(ResizeMode mode, const ImagePixelData& src, u32 new_width, u32 new_height);
+
+ImagePixelData ResizeKeepAspectRatio(ResizeMode mode, const ImagePixelData& src, u32 new_width,
+                                     u32 new_height, const Pixel& background_color);
+}  // namespace InputCommon