From 302276dc1b90cfc972fb726ca94a23b18f4b0088 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Tue, 1 Feb 2022 15:24:35 +0100 Subject: New upstream version 1.1.1 --- backend/genesys/image_pipeline.h | 54 ++++++++++++++++++++++------------------ 1 file changed, 30 insertions(+), 24 deletions(-) (limited to 'backend/genesys/image_pipeline.h') diff --git a/backend/genesys/image_pipeline.h b/backend/genesys/image_pipeline.h index 3632b36..39aed71 100644 --- a/backend/genesys/image_pipeline.h +++ b/backend/genesys/image_pipeline.h @@ -16,27 +16,6 @@ You should have received a copy of the GNU General Public License along with this program. If not, see . - - 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_PIPELINE_H @@ -295,11 +274,11 @@ private: }; // A pipeline node that merges 3 mono lines into a color channel -class ImagePipelineNodeMergeMonoLines : public ImagePipelineNode +class ImagePipelineNodeMergeMonoLinesToColor : public ImagePipelineNode { public: - ImagePipelineNodeMergeMonoLines(ImagePipelineNode& source, - ColorOrder color_order); + ImagePipelineNodeMergeMonoLinesToColor(ImagePipelineNode& source, + ColorOrder color_order); std::size_t get_width() const override { return source_.get_width(); } std::size_t get_height() const override { return source_.get_height() / 3; } @@ -342,6 +321,33 @@ private: unsigned next_channel_ = 0; }; + +// A pipeline node that merges 3 mono lines into a gray channel +class ImagePipelineNodeMergeColorToGray : public ImagePipelineNode +{ +public: + ImagePipelineNodeMergeColorToGray(ImagePipelineNode& source); + + std::size_t get_width() const override { return source_.get_width(); } + std::size_t get_height() const override { return source_.get_height(); } + PixelFormat get_format() const override { return output_format_; } + + bool eof() const override { return source_.eof(); } + + bool get_next_row_data(std::uint8_t* out_data) override; + +private: + static PixelFormat get_output_format(PixelFormat input_format); + + ImagePipelineNode& source_; + PixelFormat output_format_ = PixelFormat::UNKNOWN; + float ch0_mult_ = 0; + float ch1_mult_ = 0; + float ch2_mult_ = 0; + + std::vector temp_buffer_; +}; + // A pipeline node that shifts colors across lines by the given offsets class ImagePipelineNodeComponentShiftLines : public ImagePipelineNode { -- cgit v1.2.3