1 files changed, 74 insertions, 0 deletions
diff --git a/xbmc/guilib/iimage.h b/xbmc/guilib/iimage.h
new file mode 100644
index 0000000..299e74c
--- /dev/null
+++ b/xbmc/guilib/iimage.h
@@ -0,0 +1,74 @@
+/*
+ *  Copyright (C) 2012-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include <string>
+
+class IImage
+{
+public:
+
+  virtual ~IImage() = default;
+
+  /*!
+   \brief Load an image from memory with the format m_strMimeType to determine it's size and orientation
+   \param buffer The memory location where the image data can be found
+   \param bufSize The size of the buffer
+   \param width The ideal width of the texture
+   \param height The ideal height of the texture
+   \return true if the image could be loaded
+   */
+  virtual bool LoadImageFromMemory(unsigned char* buffer, unsigned int bufSize, unsigned int width, unsigned int height)=0;
+  /*!
+   \brief Decodes the previously loaded image data to the output buffer in 32 bit raw bits
+   \param pixels The output buffer
+   \param width The width of the image
+   \param height The height of the image
+   \param pitch The pitch of the output buffer
+   \param format The format of the output buffer (JpegIO only)
+   \return true if the image data could be decoded to the output buffer
+   */
+  virtual bool Decode(unsigned char* const pixels, unsigned int width, unsigned int height, unsigned int pitch, unsigned int format)=0;
+  /*!
+   \brief Encodes an thumbnail from raw bits of given memory location
+   \remarks Caller need to call ReleaseThumbnailBuffer() afterwards to free the output buffer
+   \param bufferin The memory location where the image data can be found
+   \param width The width of the thumbnail
+   \param height The height of the thumbnail
+   \param format The format of the input buffer (JpegIO only)
+   \param pitch The pitch of the input texture stored in bufferin
+   \param destFile The destination path of the thumbnail to determine the image format from the extension
+   \param bufferout The output buffer (will be allocated inside the method)
+   \param bufferoutSize The output buffer size
+   \return true if the thumbnail was successfully created
+   */
+  virtual bool CreateThumbnailFromSurface(unsigned char* bufferin, unsigned int width, unsigned int height, unsigned int format, unsigned int pitch, const std::string& destFile,
+                                          unsigned char* &bufferout, unsigned int &bufferoutSize)=0;
+  /*!
+   \brief Frees the output buffer allocated by CreateThumbnailFromSurface
+   */
+  virtual void ReleaseThumbnailBuffer() {}
+
+  unsigned int Width() const              { return m_width; }
+  unsigned int Height() const             { return m_height; }
+  unsigned int originalWidth() const      { return m_originalWidth; }
+  unsigned int originalHeight() const     { return m_originalHeight; }
+  unsigned int Orientation() const        { return m_orientation; }
+  bool hasAlpha() const                   { return m_hasAlpha; }
+
+protected:
+
+  unsigned int m_width = 0;
+  unsigned int m_height = 0;
+  unsigned int m_originalWidth = 0;   ///< original image width before scaling or cropping
+  unsigned int m_originalHeight = 0;  ///< original image height before scaling or cropping
+  unsigned int m_orientation = 0;
+  bool m_hasAlpha = false;
+
+};