Merge branch 'feature/upstream' into develop

1 files changed, 87 insertions, 0 deletions

diff --git a/backend/genesys/image.h b/backend/genesys/image.h
new file mode 100644
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+++ b/backend/genesys/image.h
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+/* sane - Scanner Access Now Easy.
+
+   Copyright (C) 2019 Povilas Kanapickas <povilas@radix.lt>
+
+   This file is part of the SANE package.
+
+   This program 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 2 of the
+   License, or (at your option) any later version.
+
+   This program 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 this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA.
+
+   As a special exception, the authors of SANE give permission for
+   additional uses of the libraries contained in this release of SANE.
+
+   The exception is that, if you link a SANE library with other files
+   to produce an executable, this does not by itself cause the
+   resulting executable to be covered by the GNU General Public
+   License.  Your use of that executable is in no way restricted on
+   account of linking the SANE library code into it.
+
+   This exception does not, however, invalidate any other reasons why
+   the executable file might be covered by the GNU General Public
+   License.
+
+   If you submit changes to SANE to the maintainers to be included in
+   a subsequent release, you agree by submitting the changes that
+   those changes may be distributed with this exception intact.
+
+   If you write modifications of your own for SANE, it is your choice
+   whether to permit this exception to apply to your modifications.
+   If you do not wish that, delete this exception notice.
+*/
+
+#ifndef BACKEND_GENESYS_IMAGE_H
+#define BACKEND_GENESYS_IMAGE_H
+
+#include "image_pixel.h"
+#include <vector>
+
+namespace genesys {
+
+class Image
+{
+public:
+    Image();
+    Image(std::size_t width, std::size_t height, PixelFormat format);
+
+    std::size_t get_width() const { return width_; }
+    std::size_t get_height() const { return height_; }
+    PixelFormat get_format() const { return format_; }
+    std::size_t get_row_bytes() const { return row_bytes_; }
+
+    std::uint8_t* get_row_ptr(std::size_t y);
+    const std::uint8_t* get_row_ptr(std::size_t y) const;
+
+    Pixel get_pixel(std::size_t x, std::size_t y) const;
+    void set_pixel(std::size_t x, std::size_t y, const Pixel& pixel);
+
+    RawPixel get_raw_pixel(std::size_t x, std::size_t y) const;
+    std::uint16_t get_raw_channel(std::size_t x, std::size_t y, unsigned channel) const;
+    void set_raw_pixel(std::size_t x, std::size_t y, const RawPixel& pixel);
+
+    void resize(std::size_t width, std::size_t height, PixelFormat format);
+private:
+    std::size_t width_ = 0;
+    std::size_t height_ = 0;
+    PixelFormat format_ = PixelFormat::UNKNOWN;
+    std::size_t row_bytes_ = 0;
+    std::vector<std::uint8_t> data_;
+};
+
+void convert_pixel_row_format(const std::uint8_t* in_data, PixelFormat in_format,
+                              std::uint8_t* out_data, PixelFormat out_format, std::size_t count);
+
+} // namespace genesys
+
+#endif // ifndef BACKEND_GENESYS_IMAGE_H