diff options
Diffstat (limited to 'backend/genesys/device.h')
| -rw-r--r-- | backend/genesys/device.h | 151 |
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 |