summaryrefslogtreecommitdiff
path: root/backend/genesys/device.h
diff options
context:
space:
mode:
authorJörg Frings-Fürst <debian@jff-webhosting.net>2020-08-24 18:44:51 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2020-08-24 18:44:51 +0200
commitad38bc6ecb80ddeb562841b33258dd53659b1da6 (patch)
treee02e9c3ff760554fd87f70df0e18b88594091a48 /backend/genesys/device.h
parent9c23ed018d72eed2554f4f9cff1ae6e6bb0cd479 (diff)
New upstream version 1.0.31upstream/1.0.31
Diffstat (limited to 'backend/genesys/device.h')
-rw-r--r--backend/genesys/device.h151
1 files changed, 71 insertions, 80 deletions
diff --git a/backend/genesys/device.h b/backend/genesys/device.h
index 6c744c9..ded6a48 100644
--- a/backend/genesys/device.h
+++ b/backend/genesys/device.h
@@ -46,7 +46,6 @@
#include "calibration.h"
#include "command_set.h"
-#include "buffer.h"
#include "enums.h"
#include "image_pipeline.h"
#include "motor.h"
@@ -55,6 +54,7 @@
#include "register.h"
#include "usb_device.h"
#include "scanner_interface.h"
+#include "utilities.h"
#include <vector>
namespace genesys {
@@ -77,22 +77,15 @@ struct Genesys_Gpo
GenesysRegisterSettingSet regs;
};
-/// Stores a SANE_Fixed value which is automatically converted from and to floating-point values
-class FixedFloat
+struct MemoryLayout
{
-public:
- FixedFloat() = default;
- FixedFloat(const FixedFloat&) = default;
- FixedFloat(double number) : value_{SANE_FIX(number)} {}
- FixedFloat& operator=(const FixedFloat&) = default;
- FixedFloat& operator=(double number) { value_ = SANE_FIX(number); return *this; }
+ // This is used on GL845, GL846, GL847 and GL124 which have special registers to define the
+ // memory layout
+ MemoryLayout() = default;
- operator double() const { return value(); }
+ ValueFilter<ModelId> models;
- double value() const { return SANE_UNFIX(value_); }
-
-private:
- SANE_Fixed value_ = 0;
+ GenesysRegisterSettingSet regs;
};
struct MethodResolutions
@@ -106,6 +99,16 @@ struct MethodResolutions
return *std::min_element(resolutions_x.begin(), resolutions_x.end());
}
+ unsigned get_nearest_resolution_x(unsigned resolution) const
+ {
+ return *std::min_element(resolutions_x.begin(), resolutions_x.end(),
+ [&](unsigned lhs, unsigned rhs)
+ {
+ return std::abs(static_cast<int>(lhs) - static_cast<int>(resolution)) <
+ std::abs(static_cast<int>(rhs) - static_cast<int>(resolution));
+ });
+ }
+
unsigned get_min_resolution_y() const
{
return *std::min_element(resolutions_y.begin(), resolutions_y.end());
@@ -143,51 +146,67 @@ struct Genesys_Model
// All offsets below are with respect to the sensor home position
// Start of scan area in mm
- FixedFloat x_offset = 0;
+ float x_offset = 0;
// Start of scan area in mm (Amount of feeding needed to get to the medium)
- FixedFloat y_offset = 0;
+ float y_offset = 0;
// Size of scan area in mm
- FixedFloat x_size = 0;
+ float x_size = 0;
// Size of scan area in mm
- FixedFloat y_size = 0;
+ float y_size = 0;
- // Start of white strip in mm
- FixedFloat y_offset_calib_white = 0;
+ // Start of white strip in mm for scanners that use separate dark and white shading calibration.
+ float y_offset_calib_white = 0;
+
+ // The size of the scan area that is used to acquire shading data in mm
+ float y_size_calib_mm = 0;
+
+ // Start of the black/white strip in mm for scanners that use unified dark and white shading
+ // calibration.
+ float y_offset_calib_dark_white_mm = 0;
+
+ // The size of the scan area that is used to acquire dark/white shading data in mm
+ float y_size_calib_dark_white_mm = 0;
+
+ // The width of the scan area that is used to acquire shading data
+ float x_size_calib_mm = 0;
// Start of black mark in mm
- FixedFloat x_offset_calib_black = 0;
+ float x_offset_calib_black = 0;
// Start of scan area in transparency mode in mm
- FixedFloat x_offset_ta = 0;
+ float x_offset_ta = 0;
// Start of scan area in transparency mode in mm
- FixedFloat y_offset_ta = 0;
+ float y_offset_ta = 0;
// Size of scan area in transparency mode in mm
- FixedFloat x_size_ta = 0;
+ float x_size_ta = 0;
// Size of scan area in transparency mode in mm
- FixedFloat y_size_ta = 0;
+ float y_size_ta = 0;
// The position of the sensor when it's aligned with the lamp for transparency scanning
- FixedFloat y_offset_sensor_to_ta = 0;
+ float y_offset_sensor_to_ta = 0;
// Start of white strip in transparency mode in mm
- FixedFloat y_offset_calib_white_ta = 0;
+ float y_offset_calib_white_ta = 0;
// Start of black strip in transparency mode in mm
- FixedFloat y_offset_calib_black_ta = 0;
+ float y_offset_calib_black_ta = 0;
+
+ // The size of the scan area that is used to acquire shading data in transparency mode in mm
+ float y_size_calib_ta_mm = 0;
// Size of scan area after paper sensor stop sensing document in mm
- FixedFloat post_scan = 0;
+ float post_scan = 0;
// Amount of feeding needed to eject document after finishing scanning in mm
- FixedFloat eject_feed = 0;
+ float eject_feed = 0;
- // Line-distance correction (in pixel at optical_ydpi) for CCD scanners
+ // Line-distance correction (in pixel at motor base_ydpi) for CCD scanners
SANE_Int ld_shift_r = 0;
SANE_Int ld_shift_g = 0;
SANE_Int ld_shift_b = 0;
@@ -210,22 +229,24 @@ struct Genesys_Model
// stepper motor type
MotorId motor_id = MotorId::UNKNOWN;
- // Which hacks are needed for this scanner?
- SANE_Word flags = 0;
+ // Which customizations are needed for this scanner?
+ ModelFlag flags = ModelFlag::NONE;
// Button flags, described existing buttons for the model
SANE_Word buttons = 0;
- // how many lines are used for shading calibration
- SANE_Int shading_lines = 0;
- // how many lines are used for shading calibration in TA mode
- SANE_Int shading_ta_lines = 0;
// how many lines are used to search start position
SANE_Int search_lines = 0;
+ // returns nullptr if method is not supported
+ const MethodResolutions* get_resolution_settings_ptr(ScanMethod method) const;
+
+ // throws if method is not supported
const MethodResolutions& get_resolution_settings(ScanMethod method) const;
std::vector<unsigned> get_resolutions(ScanMethod method) const;
+
+ bool has_method(ScanMethod method) const;
};
/**
@@ -243,8 +264,8 @@ struct Genesys_Device
// frees commonly used data
void clear();
- SANE_Word vendorId = 0; /**< USB vendor identifier */
- SANE_Word productId = 0; /**< USB product identifier */
+ std::uint16_t vendorId = 0; // USB vendor identifier
+ std::uint16_t productId = 0; // USB product identifier
// USB mode:
// 0: not set
@@ -261,42 +282,25 @@ struct Genesys_Device
// acquiring the positions of the black and white strips and the actual scan area
bool ignore_offsets = false;
- Genesys_Model *model = nullptr;
+ const Genesys_Model* model = nullptr;
// pointers to low level functions
std::unique_ptr<CommandSet> cmd_set;
Genesys_Register_Set reg;
- Genesys_Register_Set calib_reg;
+ Genesys_Register_Set initial_regs;
Genesys_Settings settings;
Genesys_Frontend frontend, frontend_initial;
-
- // whether the frontend is initialized. This is currently used just to preserve historical
- // behavior
- bool frontend_is_init = false;
-
Genesys_Gpo gpo;
+ MemoryLayout memory_layout;
Genesys_Motor motor;
std::uint8_t control[6] = {};
size_t average_size = 0;
- // number of pixels used during shading calibration
- size_t calib_pixels = 0;
- // number of lines used during shading calibration
- size_t calib_lines = 0;
- size_t calib_channels = 0;
- size_t calib_resolution = 0;
- // bytes to read from USB when calibrating. If 0, this is not set
- size_t calib_total_bytes_to_read = 0;
// the session that was configured for calibration
ScanSession calib_session;
- // certain scanners support much higher resolution when scanning transparency, but we can't
- // read whole width of the scanner as a single line at that resolution. Thus for stuff like
- // calibration we want to read only the possible calibration area.
- size_t calib_pixels_offset = 0;
-
// gamma overrides. If a respective array is not empty then it means that the gamma for that
// color is overridden.
std::vector<std::uint16_t> gamma_override_tables[3];
@@ -313,13 +317,6 @@ struct Genesys_Device
// for sheetfed scanner's, is TRUE when there is a document in the scanner
bool document = false;
- Genesys_Buffer read_buffer;
-
- // buffer for digital lineart from gray data
- Genesys_Buffer binarize_buffer;
- // local buffer for gray data during dynamix lineart
- Genesys_Buffer local_buffer;
-
// total bytes read sent to frontend
size_t total_bytes_read = 0;
// total bytes read to be sent to frontend
@@ -328,9 +325,6 @@ struct Genesys_Device
// contains computed data for the current setup
ScanSession session;
- // look up table used in dynamic rasterization
- unsigned char lineart_lut[256] = {};
-
Calibration calibration_cache;
// number of scan lines used during scan
@@ -339,28 +333,19 @@ struct Genesys_Device
// array describing the order of the sub-segments of the sensor
std::vector<unsigned> segment_order;
- // buffer to handle even/odd data
- Genesys_Buffer oe_buffer = {};
-
// stores information about how the input image should be processed
ImagePipelineStack pipeline;
// an buffer that allows reading from `pipeline` in chunks of any size
ImageBuffer pipeline_buffer;
- // when true the scanned picture is first buffered to allow software image enhancements
- bool buffer_image = false;
-
- // image buffer where the scanned picture is stored
- std::vector<std::uint8_t> img_buffer;
-
- ImagePipelineNodeBytesSource& get_pipeline_source();
+ ImagePipelineNodeBufferedCallableSource& get_pipeline_source();
std::unique_ptr<ScannerInterface> interface;
bool is_head_pos_known(ScanHeadId scan_head) const;
unsigned head_pos(ScanHeadId scan_head) const;
- void set_head_pos_unknown();
+ void set_head_pos_unknown(ScanHeadId scan_head);
void set_head_pos_zero(ScanHeadId scan_head);
void advance_head_pos_by_session(ScanHeadId scan_head);
void advance_head_pos_by_steps(ScanHeadId scan_head, Direction direction, unsigned steps);
@@ -382,6 +367,12 @@ std::ostream& operator<<(std::ostream& out, const Genesys_Device& dev);
void apply_reg_settings_to_device(Genesys_Device& dev, const GenesysRegisterSettingSet& regs);
+void apply_reg_settings_to_device_write_only(Genesys_Device& dev,
+ const GenesysRegisterSettingSet& regs);
+GenesysRegisterSettingSet
+ apply_reg_settings_to_device_with_backup(Genesys_Device& dev,
+ const GenesysRegisterSettingSet& regs);
+
} // namespace genesys
#endif