diff options
Diffstat (limited to 'backend/genesys/image_pipeline.cpp')
| -rw-r--r-- | backend/genesys/image_pipeline.cpp | 102 |
1 files changed, 75 insertions, 27 deletions
diff --git a/backend/genesys/image_pipeline.cpp b/backend/genesys/image_pipeline.cpp index 4161e95..f53680f 100644 --- a/backend/genesys/image_pipeline.cpp +++ b/backend/genesys/image_pipeline.cpp @@ -16,27 +16,6 @@ You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. - - 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. */ #define DEBUG_DECLARE_ONLY @@ -304,8 +283,8 @@ bool ImagePipelineNodeInvert::get_next_row_data(std::uint8_t* out_data) return got_data; } -ImagePipelineNodeMergeMonoLines::ImagePipelineNodeMergeMonoLines(ImagePipelineNode& source, - ColorOrder color_order) : +ImagePipelineNodeMergeMonoLinesToColor::ImagePipelineNodeMergeMonoLinesToColor( + ImagePipelineNode& source, ColorOrder color_order) : source_(source), buffer_(source_.get_row_bytes()) { @@ -314,7 +293,7 @@ ImagePipelineNodeMergeMonoLines::ImagePipelineNodeMergeMonoLines(ImagePipelineNo output_format_ = get_output_format(source_.get_format(), color_order); } -bool ImagePipelineNodeMergeMonoLines::get_next_row_data(std::uint8_t* out_data) +bool ImagePipelineNodeMergeMonoLinesToColor::get_next_row_data(std::uint8_t* out_data) { bool got_data = true; @@ -341,8 +320,8 @@ bool ImagePipelineNodeMergeMonoLines::get_next_row_data(std::uint8_t* out_data) return got_data; } -PixelFormat ImagePipelineNodeMergeMonoLines::get_output_format(PixelFormat input_format, - ColorOrder order) +PixelFormat ImagePipelineNodeMergeMonoLinesToColor::get_output_format(PixelFormat input_format, + ColorOrder order) { switch (input_format) { case PixelFormat::I1: { @@ -417,6 +396,75 @@ PixelFormat ImagePipelineNodeSplitMonoLines::get_output_format(PixelFormat input throw SaneException("Unsupported input format %d", static_cast<unsigned>(input_format)); } + +ImagePipelineNodeMergeColorToGray::ImagePipelineNodeMergeColorToGray(ImagePipelineNode& source) : + source_(source) +{ + + output_format_ = get_output_format(source_.get_format()); + float red_mult = 0.2125f; + float green_mult = 0.7154f; + float blue_mult = 0.0721f; + + switch (get_pixel_format_color_order(source_.get_format())) { + case ColorOrder::RGB: { + ch0_mult_ = red_mult; + ch1_mult_ = green_mult; + ch2_mult_ = blue_mult; + break; + } + case ColorOrder::BGR: { + ch0_mult_ = blue_mult; + ch1_mult_ = green_mult; + ch2_mult_ = red_mult; + break; + } + case ColorOrder::GBR: { + ch0_mult_ = green_mult; + ch1_mult_ = blue_mult; + ch2_mult_ = red_mult; + break; + } + default: + throw SaneException("Unknown color order"); + } + temp_buffer_.resize(source_.get_row_bytes()); +} + +bool ImagePipelineNodeMergeColorToGray::get_next_row_data(std::uint8_t* out_data) +{ + auto* src_data = temp_buffer_.data(); + + bool got_data = source_.get_next_row_data(src_data); + + auto src_format = source_.get_format(); + + for (std::size_t x = 0, width = get_width(); x < width; ++x) { + std::uint16_t ch0 = get_raw_channel_from_row(src_data, x, 0, src_format); + std::uint16_t ch1 = get_raw_channel_from_row(src_data, x, 1, src_format); + std::uint16_t ch2 = get_raw_channel_from_row(src_data, x, 2, src_format); + float mono = ch0 * ch0_mult_ + ch1 * ch1_mult_ + ch2 * ch2_mult_; + set_raw_channel_to_row(out_data, x, 0, static_cast<std::uint16_t>(mono), output_format_); + } + return got_data; +} + +PixelFormat ImagePipelineNodeMergeColorToGray::get_output_format(PixelFormat input_format) +{ + switch (input_format) { + case PixelFormat::RGB111: + return PixelFormat::I1; + case PixelFormat::RGB888: + case PixelFormat::BGR888: + return PixelFormat::I8; + case PixelFormat::RGB161616: + case PixelFormat::BGR161616: + return PixelFormat::I16; + default: break; + } + throw SaneException("Unsupported format %d", static_cast<unsigned>(input_format)); +} + ImagePipelineNodeComponentShiftLines::ImagePipelineNodeComponentShiftLines( ImagePipelineNode& source, unsigned shift_r, unsigned shift_g, unsigned shift_b) : source_(source), @@ -712,7 +760,7 @@ ImagePipelineNodeCalibrate::ImagePipelineNodeCalibrate(ImagePipelineNode& source const std::vector<std::uint16_t>& bottom, const std::vector<std::uint16_t>& top, std::size_t x_start) : - source_{source} + source_(source) { std::size_t size = 0; if (bottom.size() >= x_start && top.size() >= x_start) { |