fix

clip-lib/clip_win_bmp.h

@@ -0,0 +1,66 @@
+// Clip Library
+// Copyright (c) 2015-2024  David Capello
+//
+// This file is released under the terms of the MIT license.
+// Read LICENSE.txt for more information.
+
+#ifndef CLIP_WIN_BMP_H_INCLUDED
+#define CLIP_WIN_BMP_H_INCLUDED
+#pragma once
+
+#if !CLIP_ENABLE_IMAGE
+  #error This file can be include only when CLIP_ENABLE_IMAGE is defined
+#endif
+
+#include <cstdint>
+
+#include <windows.h>
+
+namespace clip {
+
+class image;
+struct image_spec;
+
+namespace win {
+
+struct BitmapInfo {
+  BITMAPV5HEADER* b5 = nullptr;
+  BITMAPINFO* bi = nullptr;
+  int width = 0;
+  int height = 0;
+  uint16_t bit_count = 0;
+  uint32_t compression = 0;
+  uint32_t red_mask = 0;
+  uint32_t green_mask = 0;
+  uint32_t blue_mask = 0;
+  uint32_t alpha_mask = 0;
+
+  BitmapInfo();
+  explicit BitmapInfo(BITMAPV5HEADER* pb5);
+  explicit BitmapInfo(BITMAPINFO* pbi);
+
+  bool is_valid() const {
+    return (b5 || bi);
+  }
+
+  void fill_spec(image_spec& spec) const;
+
+  // Fills the output_img with the data provided by this
+  // BitmapInfo. Returns true if it was able to fill the output image
+  // or false otherwise.
+  bool to_image(image& output_img) const;
+
+private:
+  bool load_from(BITMAPV5HEADER* b5);
+  bool load_from(BITMAPINFO* bi);
+};
+
+// Returns a handle to the HGLOBAL memory reserved to create a DIBV5
+// based on the image passed by parameter. Returns null if it cannot
+// create the handle.
+HGLOBAL create_dibv5(const image& image);
+
+} // namespace win
+} // namespace clip
+
+#endif // CLIP_WIN_BMP_H_INCLUDED