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genesys: Move Genesys_Device::curr to DesegmentationState

merge-requests/162/head
Povilas Kanapickas 2019-09-12 21:26:58 +03:00
rodzic f92253adc8
commit 676831dc7b
5 zmienionych plików z 23 dodań i 22 usunięć
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34
backend/genesys.cc
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@ -3424,17 +3424,17 @@ static void genesys_fill_line_interp_buffer(Genesys_Device* dev, uint8_t* work_b
// dev->line_interp holds the number of lines scanned for one line of data sent
if (((dev->line_count / dev->session.params.channels) % dev->line_interp) == 0) {
/* copy pixel when line matches */
work_buffer_dst[count] = dev->oe_buffer.get_read_pos()[dev->cur];
work_buffer_dst[count] = dev->oe_buffer.get_read_pos()[dev->deseg.curr_byte];
count++;
}
/* always update pointer so we skip uncopied data */
dev->cur++;
// always update pointer so we skip uncopied data
dev->deseg.curr_byte++;
/* go to next line if needed */
if (dev->cur == dev->deseg.pixel_groups) {
if (dev->deseg.curr_byte == dev->deseg.pixel_groups) {
dev->oe_buffer.set_pos(dev->oe_buffer.pos() + dev->deseg.raw_channel_bytes);
dev->cur = 0;
dev->deseg.curr_byte = 0;
dev->line_count++;
}
@ -3475,7 +3475,7 @@ static void genesys_fill_segmented_buffer(Genesys_Device* dev, uint8_t* work_buf
while (count < size)
{
if (depth==1) {
while (dev->cur < dev->deseg.pixel_groups && count < size) {
while (dev->deseg.curr_byte < dev->deseg.pixel_groups && count < size) {
for (unsigned n = 0; n < dev->deseg.segment_count; n++) {
work_buffer_dst[count+n] = 0;
}
@ -3484,7 +3484,7 @@ static void genesys_fill_segmented_buffer(Genesys_Device* dev, uint8_t* work_buf
k = count + (i * dev->deseg.segment_count) / 8;
for (unsigned n = 0; n < dev->deseg.segment_count; n++) {
work_buffer_dst[k] = work_buffer_dst[k] << 1;
if ((dev->oe_buffer.get_read_pos()[dev->cur + dev->deseg.skip_bytes + dev->deseg.conseq_pixel_dist_bytes * dev->segment_order[n]])&(128>>i)) {
if ((dev->oe_buffer.get_read_pos()[dev->deseg.curr_byte + dev->deseg.skip_bytes + dev->deseg.conseq_pixel_dist_bytes * dev->segment_order[n]])&(128>>i)) {
work_buffer_dst[k] |= 1;
}
}
@ -3492,35 +3492,35 @@ static void genesys_fill_segmented_buffer(Genesys_Device* dev, uint8_t* work_buf
/* update counter and pointer */
count += dev->deseg.segment_count;
dev->cur++;
dev->deseg.curr_byte++;
}
}
if (depth==8) {
while (dev->cur < dev->deseg.pixel_groups && count < size) {
while (dev->deseg.curr_byte < dev->deseg.pixel_groups && count < size) {
for (unsigned n = 0; n < dev->deseg.segment_count; n++) {
work_buffer_dst[count+n] = dev->oe_buffer.get_read_pos()[dev->cur + dev->deseg.skip_bytes + dev->deseg.conseq_pixel_dist_bytes *dev->segment_order[n]];
work_buffer_dst[count+n] = dev->oe_buffer.get_read_pos()[dev->deseg.curr_byte + dev->deseg.skip_bytes + dev->deseg.conseq_pixel_dist_bytes *dev->segment_order[n]];
}
/* update counter and pointer */
count += dev->deseg.segment_count;
dev->cur++;
dev->deseg.curr_byte++;
}
}
if (depth==16) {
while (dev->cur < dev->deseg.pixel_groups && count < size) {
while (dev->deseg.curr_byte < dev->deseg.pixel_groups && count < size) {
for (unsigned n = 0; n < dev->deseg.segment_count; n++) {
work_buffer_dst[count+n*2] = dev->oe_buffer.get_read_pos()[dev->cur + dev->deseg.skip_bytes + dev->deseg.conseq_pixel_dist_bytes * dev->segment_order[n]];
work_buffer_dst[count+n*2+1] = dev->oe_buffer.get_read_pos()[dev->cur + dev->deseg.skip_bytes + dev->deseg.conseq_pixel_dist_bytes * dev->segment_order[n] + 1];
work_buffer_dst[count+n*2] = dev->oe_buffer.get_read_pos()[dev->deseg.curr_byte + dev->deseg.skip_bytes + dev->deseg.conseq_pixel_dist_bytes * dev->segment_order[n]];
work_buffer_dst[count+n*2+1] = dev->oe_buffer.get_read_pos()[dev->deseg.curr_byte + dev->deseg.skip_bytes + dev->deseg.conseq_pixel_dist_bytes * dev->segment_order[n] + 1];
}
/* update counter and pointer */
count += dev->deseg.segment_count * 2;
dev->cur+=2;
dev->deseg.curr_byte += 2;
}
}
/* go to next line if needed */
if (dev->cur == dev->deseg.pixel_groups) {
if (dev->deseg.curr_byte == dev->deseg.pixel_groups) {
dev->oe_buffer.set_pos(dev->oe_buffer.pos() + dev->deseg.raw_channel_bytes);
dev->cur = 0;
dev->deseg.curr_byte = 0;
}
/* read a new buffer if needed */

5
backend/genesys_device.h
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@ -214,6 +214,9 @@ struct DesegmentationState
// Total bytes in a line received from a scanner
unsigned raw_line_bytes = 0;
// The current byte during desegmentation process
unsigned curr_byte = 0;
};
/**
@ -338,8 +341,6 @@ struct Genesys_Device
int line_interp = 0;
// number of scan lines used during scan
int line_count = 0;
// current pixel position within sub window
size_t cur = 0;
// array describing the order of the sub-segments of the sensor
std::vector<unsigned> segment_order;

2
backend/genesys_gl124.cc
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@ -994,7 +994,7 @@ static void gl124_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
multiply_by_depth_ceil(session.output_pixels / session.ccd_size_divisor,
session.params.depth);
dev->cur = 0;
dev->deseg.curr_byte = 0;
dev->deseg.skip_bytes = 0;
dev->deseg.pixel_groups = dev->deseg.raw_channel_bytes / segment_count;
dev->deseg.conseq_pixel_dist_bytes = dev->deseg.raw_channel_bytes / segment_count;

2
backend/genesys_gl846.cc
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@ -871,7 +871,7 @@ static void gl846_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
dev->deseg.pixel_groups = multiply_by_depth_ceil(dev->deseg.pixel_groups, session.params.depth);
dev->deseg.conseq_pixel_dist_bytes = multiply_by_depth_ceil(dev->deseg.conseq_pixel_dist_bytes, session.params.depth);
dev->cur=0;
dev->deseg.curr_byte = 0;
dev->deseg.segment_count = segment_count;
dev->line_interp = 0;

2
backend/genesys_gl847.cc
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@ -890,7 +890,7 @@ static void gl847_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
dev->deseg.pixel_groups = multiply_by_depth_ceil(dev->deseg.pixel_groups, session.params.depth);
dev->deseg.conseq_pixel_dist_bytes = multiply_by_depth_ceil(dev->deseg.conseq_pixel_dist_bytes, session.params.depth);
dev->cur=0;
dev->deseg.curr_byte = 0;
dev->deseg.segment_count = segment_count;
dev->line_interp = 0;