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- /*
- * Copyright (C) 2021 Christopher J. Howard
- *
- * This file is part of Antkeeper source code.
- *
- * Antkeeper source code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Antkeeper source code is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
- */
-
- #ifndef ANTKEEPER_IMAGE_HPP
- #define ANTKEEPER_IMAGE_HPP
-
- #include <cstdlib>
-
- /**
- * Stores basic image data.
- */
- class image
- {
- public:
- /// Creates an image.
- image();
-
- /// Destroys an image.
- ~image();
-
- /**
- * Changes the format of the image. Existing pixel data will be erased if the format has changed.
- *
- * @param channels Number of color channels.
- * @param hdr Whether or not the image will contain HDR data. HDR pixels are stored as floats. Standard pixels are stored as unsigned chars.
- */
- void format(unsigned int channels, bool hdr);
-
- /**
- * Resizes the image. Existing pixel data will be erased if the size has changed.
- *
- * @param width New width of the image, in pixels.
- * @param height New height of the image, in pixels.
- */
- void resize(unsigned int width, unsigned int height);
-
- /// Returns whether or not the image contains HDR data.
- bool is_hdr() const;
-
- /// Returns the width of the image, in pixels.
- unsigned int get_width() const;
-
- /// Returns the height of the image, in pixels.
- unsigned int get_height() const;
-
- /// Returns the number of color channels in the image.
- unsigned int get_channels() const;
-
- /// Returns a pointer to the pixel data.
- const void* get_pixels() const;
-
- /// @copydoc image::get_pixels() const
- void* get_pixels();
-
- /// Returns the size of the image, in bytes.
- std::size_t get_size() const;
-
- private:
- void allocate_pixels();
- void free_pixels();
-
- bool hdr;
- unsigned int width;
- unsigned int height;
- unsigned int channels;
- void* pixels;
- std::size_t size;
- };
-
- inline bool image::is_hdr() const
- {
- return hdr;
- }
-
- inline unsigned int image::get_width() const
- {
- return width;
- }
-
- inline unsigned int image::get_height() const
- {
- return height;
- }
-
- inline unsigned int image::get_channels() const
- {
- return channels;
- }
-
- inline const void* image::get_pixels() const
- {
- return pixels;
- }
-
- inline void* image::get_pixels()
- {
- return pixels;
- }
-
- inline std::size_t image::get_size() const
- {
- return size;
- }
-
- #endif // ANTKEEPER_IMAGE_HPP
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