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Public Member Functions | Public Attributes
TO_BLOCK Class Reference

`#include <blobbox.h>`

Inheritance diagram for TO_BLOCK:

List of all members.

## Public Member Functions

| TO_BLOCK ()
| TO_BLOCK (BLOCK *src_block)
| ~TO_BLOCK ()
void | clear ()
TO_ROW_LIST * | get_rows ()
void | rotate (const FCOORD &rotation)
void | print_rows ()
void | ReSetAndReFilterBlobs ()
void | DeleteUnownedNoise ()
void | plot_noise_blobs (ScrollView *to_win)
void | plot_graded_blobs (ScrollView *to_win)
Public Member Functions inherited from ELIST_LINK
| ELIST_LINK ()
| ELIST_LINK (const ELIST_LINK &)
void | operator= (const ELIST_LINK &)

## Public Attributes

BLOBNBOX_LIST | blobs
BLOBNBOX_LIST | underlines
BLOBNBOX_LIST | noise_blobs
BLOBNBOX_LIST | small_blobs
BLOBNBOX_LIST | large_blobs
BLOCK * | block
PITCH_TYPE | pitch_decision
float | line_spacing
float | line_size
float | max_blob_size
float | baseline_offset
float | xheight
float | fixed_pitch
float | kern_size
float | space_size
inT32 | min_space
inT32 | max_nonspace
float | fp_space
float | fp_nonsp
float | pr_space
float | pr_nonsp
TO_ROW * | key_row

## Detailed Description

Definition at line 664 of file blobbox.h.

## Constructor & Destructor Documentation

TO_BLOCK::TO_BLOCK | ( |  | ) |

inline

Definition at line 667 of file blobbox.h.

: pitch_decision(PITCH_DUNNO) {
clear();
} //empty

TO_BLOCK::TO_BLOCK | ( | BLOCK * | src_block | ) |

Definition at line 862 of file blobbox.cpp.

{
clear();
block = src_block;
}

TO_BLOCK::~TO_BLOCK | ( |  | ) |

Definition at line 906 of file blobbox.cpp.

{
// Any residual BLOBNBOXes at this stage own their blobs, so delete them.
clear_blobnboxes(&blobs);
clear_blobnboxes(&underlines);
clear_blobnboxes(&noise_blobs);
clear_blobnboxes(&small_blobs);
clear_blobnboxes(&large_blobs);
}

## Member Function Documentation

void TO_BLOCK::clear | ( |  | ) |

Definition at line 885 of file blobbox.cpp.

{
block = NULL;
pitch_decision = PITCH_DUNNO;
line_spacing = 0.0;
line_size = 0.0;
max_blob_size = 0.0;
baseline_offset = 0.0;
xheight = 0.0;
fixed_pitch = 0.0;
kern_size = 0.0;
space_size = 0.0;
min_space = 0;
max_nonspace = 0;
fp_space = 0.0;
fp_nonsp = 0.0;
pr_space = 0.0;
pr_nonsp = 0.0;
key_row = NULL;
}

void TO_BLOCK::DeleteUnownedNoise | ( |  | ) |

Definition at line 978 of file blobbox.cpp.

{
BLOBNBOX::CleanNeighbours(&blobs);
BLOBNBOX::CleanNeighbours(&small_blobs);
BLOBNBOX::CleanNeighbours(&noise_blobs);
BLOBNBOX::CleanNeighbours(&large_blobs);
BLOBNBOX::DeleteNoiseBlobs(&blobs);
BLOBNBOX::DeleteNoiseBlobs(&small_blobs);
BLOBNBOX::DeleteNoiseBlobs(&noise_blobs);
BLOBNBOX::DeleteNoiseBlobs(&large_blobs);
}

TO_ROW_LIST* TO_BLOCK::get_rows | ( |  | ) |

inline

Definition at line 676 of file blobbox.h.

{ //access function
return &row_list;
}

void TO_BLOCK::plot_graded_blobs | ( | ScrollView * | to_win | ) |

Definition at line 999 of file blobbox.cpp.

{
BLOBNBOX::PlotBlobs(&noise_blobs, ScrollView::CORAL, ScrollView::BLUE, win);
BLOBNBOX::PlotBlobs(&small_blobs, ScrollView::GOLDENROD, ScrollView::YELLOW,
win);
BLOBNBOX::PlotBlobs(&large_blobs, ScrollView::DARK_GREEN, ScrollView::YELLOW,
win);
BLOBNBOX::PlotBlobs(&blobs, ScrollView::WHITE, ScrollView::BROWN, win);
}

void TO_BLOCK::plot_noise_blobs | ( | ScrollView * | to_win | ) |

Definition at line 991 of file blobbox.cpp.

{
BLOBNBOX::PlotNoiseBlobs(&noise_blobs, ScrollView::RED, ScrollView::RED, win);
BLOBNBOX::PlotNoiseBlobs(&small_blobs, ScrollView::RED, ScrollView::RED, win);
BLOBNBOX::PlotNoiseBlobs(&large_blobs, ScrollView::RED, ScrollView::RED, win);
BLOBNBOX::PlotNoiseBlobs(&blobs, ScrollView::RED, ScrollView::RED, win);
}

void TO_BLOCK::print_rows | ( |  | ) |

inline

Definition at line 706 of file blobbox.h.

{ //debug info
TO_ROW_IT row_it = &row_list;
TO_ROW *row;
for (row_it.mark_cycle_pt (); !row_it.cycled_list ();
row_it.forward ()) {
row = row_it.data ();
printf ("Row range (%g,%g), para_c=%g, blobcount=" INT32FORMAT
"\n", row->min_y (), row->max_y (), row->parallel_c (),
row->blob_list ()->length ());
}
}

void TO_BLOCK::ReSetAndReFilterBlobs | ( |  | ) |

Definition at line 952 of file blobbox.cpp.

{
int min_height = IntCastRounded(kMinMediumSizeRatio * line_size);
int max_height = IntCastRounded(kMaxMediumSizeRatio * line_size);
BLOBNBOX_LIST noise_list;
BLOBNBOX_LIST small_list;
BLOBNBOX_LIST medium_list;
BLOBNBOX_LIST large_list;
SizeFilterBlobs(min_height, max_height, &blobs,
&noise_list, &small_list, &medium_list, &large_list);
SizeFilterBlobs(min_height, max_height, &large_blobs,
&noise_list, &small_list, &medium_list, &large_list);
SizeFilterBlobs(min_height, max_height, &small_blobs,
&noise_list, &small_list, &medium_list, &large_list);
SizeFilterBlobs(min_height, max_height, &noise_blobs,
&noise_list, &small_list, &medium_list, &large_list);
BLOBNBOX_IT blob_it(&blobs);
blob_it.add_list_after(&medium_list);
blob_it.set_to_list(&large_blobs);
blob_it.add_list_after(&large_list);
blob_it.set_to_list(&small_blobs);
blob_it.add_list_after(&small_list);
blob_it.set_to_list(&noise_blobs);
blob_it.add_list_after(&noise_list);
}

void TO_BLOCK::rotate | ( | const FCOORD & | rotation | ) |

inline

Definition at line 682 of file blobbox.h.

{
BLOBNBOX_LIST* blobnbox_list[] = {&blobs, &underlines, &noise_blobs,
&small_blobs, &large_blobs, NULL};
for (BLOBNBOX_LIST** list = blobnbox_list; *list != NULL; ++list) {
BLOBNBOX_IT it(*list);
for (it.mark_cycle_pt(); !it.cycled_list(); it.forward()) {
it.data()->rotate(rotation);
}
}
// Rotate the block
ASSERT_HOST(block->poly_block() != NULL);
block->rotate(rotation);
// Update the median size statistic from the blobs list.
STATS widths(0, block->bounding_box().width());
STATS heights(0, block->bounding_box().height());
BLOBNBOX_IT blob_it(&blobs);
for (blob_it.mark_cycle_pt(); !blob_it.cycled_list(); blob_it.forward()) {
widths.add(blob_it.data()->bounding_box().width(), 1);
heights.add(blob_it.data()->bounding_box().height(), 1);
}
block->set_median_size(static_cast<int>(widths.median() + 0.5),
static_cast<int>(heights.median() + 0.5));
}

## Member Data Documentation

float TO_BLOCK::baseline_offset

Definition at line 750 of file blobbox.h.

BLOBNBOX_LIST TO_BLOCK::blobs

Definition at line 735 of file blobbox.h.

BLOCK* TO_BLOCK::block

Definition at line 740 of file blobbox.h.

float TO_BLOCK::fixed_pitch

Definition at line 752 of file blobbox.h.

float TO_BLOCK::fp_nonsp

Definition at line 758 of file blobbox.h.

float TO_BLOCK::fp_space

Definition at line 757 of file blobbox.h.

float TO_BLOCK::kern_size

Definition at line 753 of file blobbox.h.

TO_ROW* TO_BLOCK::key_row

Definition at line 761 of file blobbox.h.

BLOBNBOX_LIST TO_BLOCK::large_blobs

Definition at line 739 of file blobbox.h.

float TO_BLOCK::line_size

Definition at line 748 of file blobbox.h.

float TO_BLOCK::line_spacing

Definition at line 742 of file blobbox.h.

float TO_BLOCK::max_blob_size

Definition at line 749 of file blobbox.h.

inT32 TO_BLOCK::max_nonspace

Definition at line 756 of file blobbox.h.

inT32 TO_BLOCK::min_space

Definition at line 755 of file blobbox.h.

BLOBNBOX_LIST TO_BLOCK::noise_blobs

Definition at line 737 of file blobbox.h.

PITCH_TYPE TO_BLOCK::pitch_decision

Definition at line 741 of file blobbox.h.

float TO_BLOCK::pr_nonsp

Definition at line 760 of file blobbox.h.

float TO_BLOCK::pr_space

Definition at line 759 of file blobbox.h.

BLOBNBOX_LIST TO_BLOCK::small_blobs

Definition at line 738 of file blobbox.h.

float TO_BLOCK::space_size

Definition at line 754 of file blobbox.h.

BLOBNBOX_LIST TO_BLOCK::underlines

Definition at line 736 of file blobbox.h.

float TO_BLOCK::xheight

Definition at line 751 of file blobbox.h.

The documentation for this class was generated from the following files:

- /mnt/data/src/tesseract-ocr/ccstruct/blobbox.h
- /mnt/data/src/tesseract-ocr/ccstruct/blobbox.cpp