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authorJörg Frings-Fürst <debian@jff-webhosting.net>2020-08-24 18:45:55 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2020-08-24 18:45:55 +0200
commita77bc1fcbdf83cfdac9570c0a0ac886b5534c90f (patch)
treed839746371ecb8ed64ac81d2e37c11fcd25a00ac /backend/genesys/sensor.h
parent787fb1d54ec9ee5fb941ae897fb201feb9cb2fd1 (diff)
parent2b3e02411ecc09e7d41741b5587655c9b2f955b7 (diff)
Merge branch 'feature/upstream' into develop
Diffstat (limited to 'backend/genesys/sensor.h')
-rw-r--r--backend/genesys/sensor.h190
1 files changed, 79 insertions, 111 deletions
diff --git a/backend/genesys/sensor.h b/backend/genesys/sensor.h
index e70728e..ca6fef7 100644
--- a/backend/genesys/sensor.h
+++ b/backend/genesys/sensor.h
@@ -47,6 +47,7 @@
#include "enums.h"
#include "register.h"
#include "serialize.h"
+#include "value_filter.h"
#include <array>
#include <functional>
@@ -72,31 +73,30 @@ class StaggerConfig
{
public:
StaggerConfig() = default;
- StaggerConfig(unsigned min_resolution, unsigned lines_at_min) :
- min_resolution_{min_resolution},
- lines_at_min_{lines_at_min}
+ explicit StaggerConfig(std::initializer_list<std::size_t> shifts) :
+ shifts_{shifts}
{
}
- unsigned stagger_at_resolution(unsigned xresolution, unsigned yresolution) const
+ std::size_t max_shift() const
{
- if (min_resolution_ == 0 || xresolution < min_resolution_)
+ if (shifts_.empty()) {
return 0;
- return yresolution / min_resolution_ * lines_at_min_;
+ }
+ return *std::max_element(shifts_.begin(), shifts_.end());
}
- unsigned min_resolution() const { return min_resolution_; }
- unsigned lines_at_min() const { return lines_at_min_; }
+ bool empty() const { return shifts_.empty(); }
+ std::size_t size() const { return shifts_.size(); }
+ const std::vector<std::size_t>& shifts() const { return shifts_; }
bool operator==(const StaggerConfig& other) const
{
- return min_resolution_ == other.min_resolution_ &&
- lines_at_min_ == other.lines_at_min_;
+ return shifts_ == other.shifts_;
}
private:
- unsigned min_resolution_ = 0;
- unsigned lines_at_min_ = 0;
+ std::vector<std::size_t> shifts_;
template<class Stream>
friend void serialize(Stream& str, StaggerConfig& x);
@@ -105,8 +105,7 @@ private:
template<class Stream>
void serialize(Stream& str, StaggerConfig& x)
{
- serialize(str, x.min_resolution_);
- serialize(str, x.lines_at_min_);
+ serialize(str, x.shifts_);
}
std::ostream& operator<<(std::ostream& out, const StaggerConfig& config);
@@ -114,9 +113,14 @@ std::ostream& operator<<(std::ostream& out, const StaggerConfig& config);
enum class FrontendType : unsigned
{
- UNKNOWN,
+ UNKNOWN = 0,
WOLFSON,
- ANALOG_DEVICES
+ ANALOG_DEVICES,
+ CANON_LIDE_80,
+ WOLFSON_GL841, // old code path, likely wrong calculation
+ WOLFSON_GL846, // old code path, likely wrong calculation
+ ANALOG_DEVICES_GL847, // old code path, likely wrong calculation
+ WOLFSON_GL124, // old code path, likely wrong calculation
};
inline void serialize(std::istream& str, FrontendType& x)
@@ -242,54 +246,6 @@ struct SensorExposure {
std::ostream& operator<<(std::ostream& out, const SensorExposure& exposure);
-class ResolutionFilter
-{
-public:
- struct Any {};
- static constexpr Any ANY{};
-
- ResolutionFilter() : matches_any_{false} {}
- ResolutionFilter(Any) : matches_any_{true} {}
- ResolutionFilter(std::initializer_list<unsigned> resolutions) :
- matches_any_{false},
- resolutions_{resolutions}
- {}
-
- bool matches(unsigned resolution) const
- {
- if (matches_any_)
- return true;
- auto it = std::find(resolutions_.begin(), resolutions_.end(), resolution);
- return it != resolutions_.end();
- }
-
- bool operator==(const ResolutionFilter& other) const
- {
- return matches_any_ == other.matches_any_ && resolutions_ == other.resolutions_;
- }
-
- bool matches_any() const { return matches_any_; }
- const std::vector<unsigned>& resolutions() const { return resolutions_; }
-
-private:
- bool matches_any_ = false;
- std::vector<unsigned> resolutions_;
-
- template<class Stream>
- friend void serialize(Stream& str, ResolutionFilter& x);
-};
-
-std::ostream& operator<<(std::ostream& out, const ResolutionFilter& resolutions);
-
-template<class Stream>
-void serialize(Stream& str, ResolutionFilter& x)
-{
- serialize(str, x.matches_any_);
- serialize_newline(str);
- serialize(str, x.resolutions_);
-}
-
-
struct Genesys_Sensor {
Genesys_Sensor() = default;
@@ -300,10 +256,15 @@ struct Genesys_Sensor {
// sensor resolution in CCD pixels. Note that we may read more than one CCD pixel per logical
// pixel, see ccd_pixels_per_system_pixel()
- unsigned optical_res = 0;
+ unsigned full_resolution = 0;
+
+ // sensor resolution in pixel values that are read by the chip. Many scanners make low
+ // resolutions faster by configuring the timings in such a way that 1/2 or 1/4 of pixel values
+ // that are read. If zero, then it is equal to `full_resolution`.
+ unsigned optical_resolution = 0;
// the resolution list that the sensor is usable at.
- ResolutionFilter resolutions = ResolutionFilter::ANY;
+ ValueFilterAny<unsigned> resolutions = VALUE_FILTER_ANY;
// the channel list that the sensor is usable at
std::vector<unsigned> channels = { 1, 3 };
@@ -313,29 +274,32 @@ struct Genesys_Sensor {
// The scanner may be setup to use a custom dpihw that does not correspond to any actual
// resolution. The value zero does not set the override.
- unsigned register_dpihw_override = 0;
-
- // The scanner may be setup to use a custom logical dpihw that does not correspond to any actual
- // resolution. The value zero does not set the override.
- unsigned logical_dpihw_override = 0;
+ unsigned register_dpihw = 0;
// The scanner may be setup to use a custom dpiset value that does not correspond to any actual
// resolution. The value zero does not set the override.
- unsigned dpiset_override = 0;
+ unsigned register_dpiset = 0;
+
+ // The resolution to use for shading calibration
+ unsigned shading_resolution = 0;
- // CCD may present itself as half or quarter-size CCD on certain resolutions
- int ccd_size_divisor = 1;
+ // How many real pixels correspond to one shading pixel that is sent to the scanner
+ unsigned shading_factor = 1;
- // Some scanners need an additional multiplier over the scan coordinates
- int pixel_count_multiplier = 1;
+ // How many pixels the shading data is offset to the right from the acquired data. Calculated
+ // in shading resolution.
+ int shading_pixel_offset = 0;
+
+ // This defines the ratio between logical pixel coordinates and the pixel coordinates sent to
+ // the scanner.
+ Ratio pixel_count_ratio = Ratio{1, 1};
+
+ // The offset in pixels in terms of scan resolution that needs to be applied to scan position.
+ int output_pixel_offset = 0;
int black_pixels = 0;
// value of the dummy register
int dummy_pixel = 0;
- // last pixel of CCD margin at optical resolution
- int ccd_start_xoffset = 0;
- // total pixels used by the sensor
- int sensor_pixels = 0;
// TA CCD target code (reference gain)
int fau_gain_white_ref = 0;
// CCD target code (reference gain)
@@ -346,8 +310,7 @@ struct Genesys_Sensor {
int exposure_lperiod = -1;
- // the number of pixels in a single segment.
- // only on gl843
+ // the number of pixels in a single segment. This is counted in output resolution.
unsigned segment_size = 0;
// the order of the segments, if any, for the sensor. If the sensor is not segmented or uses
@@ -355,31 +318,28 @@ struct Genesys_Sensor {
// only on gl843
std::vector<unsigned> segment_order;
- // some CCDs use two arrays of pixels for double resolution. On such CCDs when scanning at
- // high-enough resolution, every other pixel column is shifted
- StaggerConfig stagger_config;
+ // some CCDs use multiple arrays of pixels for double or quadruple resolution. This can result
+ // in the following effects on the output:
+ // - every n-th column may be shifted in a vertical direction.
+ // - the columns themselves may be reordered in arbitrary order and may require shifting
+ // in X direction.
+ StaggerConfig stagger_x;
+ StaggerConfig stagger_y;
+
+ // True if calibration should be performed on host-side
+ bool use_host_side_calib = false;
- GenesysRegisterSettingSet custom_base_regs; // gl646-specific
GenesysRegisterSettingSet custom_regs;
GenesysRegisterSettingSet custom_fe_regs;
// red, green and blue gamma coefficient for default gamma tables
AssignableArray<float, 3> gamma;
- std::function<unsigned(const Genesys_Sensor&, unsigned)> get_logical_hwdpi_fun;
- std::function<unsigned(const Genesys_Sensor&, unsigned)> get_register_hwdpi_fun;
- std::function<unsigned(const Genesys_Sensor&, unsigned)> get_ccd_size_divisor_fun;
- std::function<unsigned(const Genesys_Sensor&, unsigned)> get_hwdpi_divisor_fun;
-
- unsigned get_logical_hwdpi(unsigned xres) const { return get_logical_hwdpi_fun(*this, xres); }
- unsigned get_register_hwdpi(unsigned xres) const { return get_register_hwdpi_fun(*this, xres); }
- unsigned get_ccd_size_divisor_for_dpi(unsigned xres) const
- {
- return get_ccd_size_divisor_fun(*this, xres);
- }
- unsigned get_hwdpi_divisor_for_dpi(unsigned xres) const
+ unsigned get_optical_resolution() const
{
- return get_hwdpi_divisor_fun(*this, xres);
+ if (optical_resolution != 0)
+ return optical_resolution;
+ return full_resolution;
}
// how many CCD pixels are processed per system pixel time. This corresponds to CKSEL + 1
@@ -405,22 +365,26 @@ struct Genesys_Sensor {
bool operator==(const Genesys_Sensor& other) const
{
return sensor_id == other.sensor_id &&
- optical_res == other.optical_res &&
+ full_resolution == other.full_resolution &&
+ optical_resolution == other.optical_resolution &&
resolutions == other.resolutions &&
method == other.method &&
- ccd_size_divisor == other.ccd_size_divisor &&
+ shading_resolution == other.shading_resolution &&
+ shading_factor == other.shading_factor &&
+ shading_pixel_offset == other.shading_pixel_offset &&
+ pixel_count_ratio == other.pixel_count_ratio &&
+ output_pixel_offset == other.output_pixel_offset &&
black_pixels == other.black_pixels &&
dummy_pixel == other.dummy_pixel &&
- ccd_start_xoffset == other.ccd_start_xoffset &&
- sensor_pixels == other.sensor_pixels &&
fau_gain_white_ref == other.fau_gain_white_ref &&
gain_white_ref == other.gain_white_ref &&
exposure == other.exposure &&
exposure_lperiod == other.exposure_lperiod &&
segment_size == other.segment_size &&
segment_order == other.segment_order &&
- stagger_config == other.stagger_config &&
- custom_base_regs == other.custom_base_regs &&
+ stagger_x == other.stagger_x &&
+ stagger_y == other.stagger_y &&
+ use_host_side_calib == other.use_host_side_calib &&
custom_regs == other.custom_regs &&
custom_fe_regs == other.custom_fe_regs &&
gamma == other.gamma;
@@ -431,14 +395,16 @@ template<class Stream>
void serialize(Stream& str, Genesys_Sensor& x)
{
serialize(str, x.sensor_id);
- serialize(str, x.optical_res);
+ serialize(str, x.full_resolution);
serialize(str, x.resolutions);
serialize(str, x.method);
- serialize(str, x.ccd_size_divisor);
+ serialize(str, x.shading_resolution);
+ serialize(str, x.shading_factor);
+ serialize(str, x.shading_pixel_offset);
+ serialize(str, x.output_pixel_offset);
+ serialize(str, x.pixel_count_ratio);
serialize(str, x.black_pixels);
serialize(str, x.dummy_pixel);
- serialize(str, x.ccd_start_xoffset);
- serialize(str, x.sensor_pixels);
serialize(str, x.fau_gain_white_ref);
serialize(str, x.gain_white_ref);
serialize_newline(str);
@@ -451,9 +417,11 @@ void serialize(Stream& str, Genesys_Sensor& x)
serialize_newline(str);
serialize(str, x.segment_order);
serialize_newline(str);
- serialize(str, x.stagger_config);
+ serialize(str, x.stagger_x);
+ serialize_newline(str);
+ serialize(str, x.stagger_y);
serialize_newline(str);
- serialize(str, x.custom_base_regs);
+ serialize(str, x.use_host_side_calib);
serialize_newline(str);
serialize(str, x.custom_regs);
serialize_newline(str);