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-rw-r--r--backend/genesys/image_pipeline.h134
1 files changed, 78 insertions, 56 deletions
diff --git a/backend/genesys/image_pipeline.h b/backend/genesys/image_pipeline.h
index 2986837..d4aef49 100644
--- a/backend/genesys/image_pipeline.h
+++ b/backend/genesys/image_pipeline.h
@@ -75,18 +75,6 @@ public:
virtual bool get_next_row_data(std::uint8_t* out_data) = 0;
};
-class ImagePipelineNodeBytesSource : public ImagePipelineNode
-{
-public:
- std::size_t remaining_bytes() const { return remaining_bytes_; }
- void set_remaining_bytes(std::size_t bytes) { remaining_bytes_ = bytes; }
-
- std::size_t consume_remaining_bytes(std::size_t bytes);
-
-private:
- std::size_t remaining_bytes_ = 0;
-};
-
// A pipeline node that produces data from a callable
class ImagePipelineNodeCallableSource : public ImagePipelineNode
{
@@ -118,7 +106,7 @@ private:
};
// A pipeline node that produces data from a callable requesting fixed-size chunks.
-class ImagePipelineNodeBufferedCallableSource : public ImagePipelineNodeBytesSource
+class ImagePipelineNodeBufferedCallableSource : public ImagePipelineNode
{
public:
using ProducerCallback = std::function<bool(std::size_t size, std::uint8_t* out_data)>;
@@ -135,8 +123,9 @@ public:
bool get_next_row_data(std::uint8_t* out_data) override;
- std::size_t buffer_size() const { return buffer_.size(); }
- std::size_t buffer_available() const { return buffer_.available(); }
+ std::size_t remaining_bytes() const { return buffer_.remaining_size(); }
+ void set_remaining_bytes(std::size_t bytes) { buffer_.set_remaining_size(bytes); }
+ void set_last_read_multiple(std::size_t bytes) { buffer_.set_last_read_multiple(bytes); }
private:
ProducerCallback producer_;
@@ -150,39 +139,8 @@ private:
ImageBuffer buffer_;
};
-class ImagePipelineNodeBufferedGenesysUsb : public ImagePipelineNodeBytesSource
-{
-public:
- using ProducerCallback = std::function<void(std::size_t size, std::uint8_t* out_data)>;
-
- ImagePipelineNodeBufferedGenesysUsb(std::size_t width, std::size_t height,
- PixelFormat format, std::size_t total_size,
- const FakeBufferModel& buffer_model,
- ProducerCallback producer);
-
- std::size_t get_width() const override { return width_; }
- std::size_t get_height() const override { return height_; }
- PixelFormat get_format() const override { return format_; }
-
- bool eof() const override { return eof_; }
-
- bool get_next_row_data(std::uint8_t* out_data) override;
-
- std::size_t buffer_available() const { return buffer_.available(); }
-
-private:
- ProducerCallback producer_;
- std::size_t width_ = 0;
- std::size_t height_ = 0;
- PixelFormat format_ = PixelFormat::UNKNOWN;
-
- bool eof_ = false;
-
- ImageBufferGenesysUsb buffer_;
-};
-
// A pipeline node that produces data from the given array.
-class ImagePipelineNodeArraySource : public ImagePipelineNodeBytesSource
+class ImagePipelineNodeArraySource : public ImagePipelineNode
{
public:
ImagePipelineNodeArraySource(std::size_t width, std::size_t height, PixelFormat format,
@@ -302,7 +260,7 @@ public:
std::size_t pixels_per_chunk);
};
-// A pipeline that swaps bytes in 16-bit components on big-endian systems
+// A pipeline that swaps bytes in 16-bit components and does nothing otherwise.
class ImagePipelineNodeSwap16BitEndian : public ImagePipelineNode
{
public:
@@ -321,6 +279,23 @@ private:
bool needs_swapping_ = false;
};
+class ImagePipelineNodeInvert : public ImagePipelineNode
+{
+public:
+ ImagePipelineNodeInvert(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 source_.get_format(); }
+
+ bool eof() const override { return source_.eof(); }
+
+ bool get_next_row_data(std::uint8_t* out_data) override;
+
+private:
+ ImagePipelineNode& source_;
+};
+
// A pipeline node that merges 3 mono lines into a color channel
class ImagePipelineNodeMergeMonoLines : public ImagePipelineNode
{
@@ -377,7 +352,7 @@ public:
unsigned shift_r, unsigned shift_g, unsigned shift_b);
std::size_t get_width() const override { return source_.get_width(); }
- std::size_t get_height() const override { return source_.get_height() - extra_height_; }
+ std::size_t get_height() const override { return height_; }
PixelFormat get_format() const override { return source_.get_format(); }
bool eof() const override { return source_.eof(); }
@@ -387,23 +362,23 @@ public:
private:
ImagePipelineNode& source_;
std::size_t extra_height_ = 0;
+ std::size_t height_ = 0;
std::array<unsigned, 3> channel_shifts_;
RowBuffer buffer_;
};
-// A pipeline node that shifts pixels across lines by the given offsets (performs unstaggering)
+// A pipeline node that shifts pixels across lines by the given offsets (performs vertical
+// unstaggering)
class ImagePipelineNodePixelShiftLines : public ImagePipelineNode
{
public:
- constexpr static std::size_t MAX_SHIFTS = 2;
-
ImagePipelineNodePixelShiftLines(ImagePipelineNode& source,
const std::vector<std::size_t>& shifts);
std::size_t get_width() const override { return source_.get_width(); }
- std::size_t get_height() const override { return source_.get_height() - extra_height_; }
+ std::size_t get_height() const override { return height_; }
PixelFormat get_format() const override { return source_.get_format(); }
bool eof() const override { return source_.eof(); }
@@ -413,12 +388,44 @@ public:
private:
ImagePipelineNode& source_;
std::size_t extra_height_ = 0;
+ std::size_t height_ = 0;
std::vector<std::size_t> pixel_shifts_;
RowBuffer buffer_;
};
+// A pipeline node that shifts pixels across columns by the given offsets. Each row is divided
+// into pixel groups of shifts.size() pixels. For each output group starting at position xgroup,
+// the i-th pixel will be set to the input pixel at position xgroup + shifts[i].
+class ImagePipelineNodePixelShiftColumns : public ImagePipelineNode
+{
+public:
+ ImagePipelineNodePixelShiftColumns(ImagePipelineNode& source,
+ const std::vector<std::size_t>& shifts);
+
+ std::size_t get_width() const override { return width_; }
+ std::size_t get_height() const override { return source_.get_height(); }
+ PixelFormat get_format() const override { return source_.get_format(); }
+
+ bool eof() const override { return source_.eof(); }
+
+ bool get_next_row_data(std::uint8_t* out_data) override;
+
+private:
+ ImagePipelineNode& source_;
+ std::size_t width_ = 0;
+ std::size_t extra_width_ = 0;
+
+ std::vector<std::size_t> pixel_shifts_;
+
+ std::vector<std::uint8_t> temp_buffer_;
+};
+
+// exposed for tests
+std::size_t compute_pixel_shift_extra_width(std::size_t source_width,
+ const std::vector<std::size_t>& shifts);
+
// A pipeline node that extracts a sub-image from the image. Padding and cropping is done as needed.
// The class can't pad to the left of the image currently, as only positive offsets are accepted.
class ImagePipelineNodeExtract : public ImagePipelineNode
@@ -476,7 +483,7 @@ class ImagePipelineNodeCalibrate : public ImagePipelineNode
public:
ImagePipelineNodeCalibrate(ImagePipelineNode& source, const std::vector<std::uint16_t>& bottom,
- const std::vector<std::uint16_t>& top);
+ const std::vector<std::uint16_t>& top, std::size_t x_start);
std::size_t get_width() const override { return source_.get_width(); }
std::size_t get_height() const override { return source_.get_height(); }
@@ -517,6 +524,19 @@ class ImagePipelineStack
{
public:
ImagePipelineStack() {}
+ ImagePipelineStack(ImagePipelineStack&& other)
+ {
+ clear();
+ nodes_ = std::move(other.nodes_);
+ }
+
+ ImagePipelineStack& operator=(ImagePipelineStack&& other)
+ {
+ clear();
+ nodes_ = std::move(other.nodes_);
+ return *this;
+ }
+
~ImagePipelineStack() { clear(); }
std::size_t get_input_width() const;
@@ -536,20 +556,22 @@ public:
void clear();
template<class Node, class... Args>
- void push_first_node(Args&&... args)
+ Node& push_first_node(Args&&... args)
{
if (!nodes_.empty()) {
throw SaneException("Trying to append first node when there are existing nodes");
}
nodes_.emplace_back(std::unique_ptr<Node>(new Node(std::forward<Args>(args)...)));
+ return static_cast<Node&>(*nodes_.back());
}
template<class Node, class... Args>
- void push_node(Args&&... args)
+ Node& push_node(Args&&... args)
{
ensure_node_exists();
nodes_.emplace_back(std::unique_ptr<Node>(new Node(*nodes_.back(),
std::forward<Args>(args)...)));
+ return static_cast<Node&>(*nodes_.back());
}
bool get_next_row_data(std::uint8_t* out_data)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 18:30:26 +0000