From c04dcc2e7d834218ef2d4194331e383402495ae1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 20:07:22 +0200 Subject: Adding upstream version 2:20.4+dfsg. Signed-off-by: Daniel Baumann --- xbmc/pictures/Picture.h | 134 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 134 insertions(+) create mode 100644 xbmc/pictures/Picture.h (limited to 'xbmc/pictures/Picture.h') diff --git a/xbmc/pictures/Picture.h b/xbmc/pictures/Picture.h new file mode 100644 index 0000000..192982a --- /dev/null +++ b/xbmc/pictures/Picture.h @@ -0,0 +1,134 @@ +/* + * Copyright (C) 2005-2018 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 "pictures/PictureScalingAlgorithm.h" +#include "utils/Job.h" + +#include +#include +#include +#include + +extern "C" +{ +#include +} + +class CTexture; + +class CPicture +{ +public: + static bool GetThumbnailFromSurface(const unsigned char* buffer, int width, int height, int stride, const std::string &thumbFile, uint8_t* &result, size_t& result_size); + static bool CreateThumbnailFromSurface(const unsigned char* buffer, int width, int height, int stride, const std::string &thumbFile); + + /*! \brief Create a tiled thumb of the given files + \param files the files to create the thumb from + \param thumb the filename of the thumb + */ + static bool CreateTiledThumb(const std::vector &files, const std::string &thumb); + + static bool ResizeTexture( + const std::string& image, + CTexture* texture, + uint32_t& dest_width, + uint32_t& dest_height, + uint8_t*& result, + size_t& result_size, + CPictureScalingAlgorithm::Algorithm scalingAlgorithm = CPictureScalingAlgorithm::NoAlgorithm); + static bool ResizeTexture(const std::string &image, uint8_t *pixels, uint32_t width, uint32_t height, uint32_t pitch, + uint32_t &dest_width, uint32_t &dest_height, uint8_t* &result, size_t& result_size, + CPictureScalingAlgorithm::Algorithm scalingAlgorithm = CPictureScalingAlgorithm::NoAlgorithm); + + /*! \brief Cache a texture, resizing, rotating and flipping as needed, and saving as a JPG or PNG + \param texture a pointer to a CTexture + \param dest_width [in/out] maximum width in pixels of cached version - replaced with actual cached width + \param dest_height [in/out] maximum height in pixels of cached version - replaced with actual cached height + \param dest the output cache file + \return true if successful, false otherwise + */ + static bool CacheTexture( + CTexture* texture, + uint32_t& dest_width, + uint32_t& dest_height, + const std::string& dest, + CPictureScalingAlgorithm::Algorithm scalingAlgorithm = CPictureScalingAlgorithm::NoAlgorithm); + static bool CacheTexture(uint8_t *pixels, uint32_t width, uint32_t height, uint32_t pitch, int orientation, + uint32_t &dest_width, uint32_t &dest_height, const std::string &dest, + CPictureScalingAlgorithm::Algorithm scalingAlgorithm = CPictureScalingAlgorithm::NoAlgorithm); + + static void GetScale(unsigned int width, unsigned int height, unsigned int &out_width, unsigned int &out_height); + static bool ScaleImage( + uint8_t* in_pixels, + unsigned int in_width, + unsigned int in_height, + unsigned int in_pitch, + AVPixelFormat in_format, + uint8_t* out_pixels, + unsigned int out_width, + unsigned int out_height, + unsigned int out_pitch, + AVPixelFormat out_format, + CPictureScalingAlgorithm::Algorithm scalingAlgorithm = CPictureScalingAlgorithm::NoAlgorithm); + +private: + static bool OrientateImage(uint32_t*& pixels, + unsigned int& width, + unsigned int& height, + int orientation, + unsigned int& stridePixels); + + static bool FlipHorizontal(uint32_t*& pixels, + const unsigned int& width, + const unsigned int& height, + const unsigned int& stridePixels); + static bool FlipVertical(uint32_t*& pixels, + const unsigned int& width, + const unsigned int& height, + const unsigned int& stridePixels); + static bool Rotate90CCW(uint32_t*& pixels, + unsigned int& width, + unsigned int& height, + unsigned int& stridePixels); + static bool Rotate270CCW(uint32_t*& pixels, + unsigned int& width, + unsigned int& height, + unsigned int& stridePixels); + static bool Rotate180CCW(uint32_t*& pixels, + const unsigned int& width, + const unsigned int& height, + const unsigned int& stridePixels); + static bool Transpose(uint32_t*& pixels, + unsigned int& width, + unsigned int& height, + unsigned int& width_aligned); + static bool TransposeOffAxis(uint32_t*& pixels, + unsigned int& width, + unsigned int& height, + unsigned int& stridePixels); +}; + +//this class calls CreateThumbnailFromSurface in a CJob, so a png file can be written without halting the render thread +class CThumbnailWriter : public CJob +{ + public: + //WARNING: buffer is deleted from DoWork() + CThumbnailWriter(unsigned char* buffer, int width, int height, int stride, const std::string& thumbFile); + ~CThumbnailWriter() override; + bool DoWork() override; + + private: + unsigned char* m_buffer; + int m_width; + int m_height; + int m_stride; + std::string m_thumbFile; +}; + -- cgit v1.2.3