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authorJörg Frings-Fürst <debian@jff.email>2022-02-01 15:24:35 +0100
committerJörg Frings-Fürst <debian@jff.email>2022-02-01 15:24:35 +0100
commit302276dc1b90cfc972fb726ca94a23b18f4b0088 (patch)
tree33d99da40fb5fa097fdab5584d7ed550d25a33bb /backend/genesys/image_pipeline.h
parent351b7328520c16730ceb46e5acae16038c42185e (diff)
New upstream version 1.1.1upstream/1.1.1
Diffstat (limited to 'backend/genesys/image_pipeline.h')
-rw-r--r--backend/genesys/image_pipeline.h54
1 files changed, 30 insertions, 24 deletions
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 <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.
*/
#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<std::uint8_t> temp_buffer_;
+};
+
// A pipeline node that shifts colors across lines by the given offsets
class ImagePipelineNodeComponentShiftLines : public ImagePipelineNode
{