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https://github.com/tesseract-ocr/tesseract.git
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425d593ebe
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk/trunk@2 d0cd1f9f-072b-0410-8dd7-cf729c803f20
113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
/* -*-C-*-
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********************************************************************************
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*
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* File: plotseg.c (Formerly plotseg.c)
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* Description:
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* Author: Mark Seaman, OCR Technology
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* Created: Fri Oct 16 14:37:00 1987
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* Modified: Fri Apr 26 10:03:05 1991 (Mark Seaman) marks@hpgrlt
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* Language: C
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* Package: N/A
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* Status: Reusable Software Component
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*
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* (c) Copyright 1987, Hewlett-Packard Company.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*
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*********************************************************************************/
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/*----------------------------------------------------------------------
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I n c l u d e s
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----------------------------------------------------------------------*/
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#include "plotseg.h"
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#include "callcpp.h"
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#include "tessclas.h"
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#include "blobs.h"
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#include "debug.h"
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#include "const.h"
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#include <math.h>
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/*----------------------------------------------------------------------
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V a r i a b l e s
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----------------------------------------------------------------------*/
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void *segm_window = NULL;
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make_int_var (display_segmentations, 0, make_display_seg,
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9, 2, toggle_segmentations, "Display Segmentations");
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/*----------------------------------------------------------------------
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F u n c t i o n s
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----------------------------------------------------------------------*/
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/**********************************************************************
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* display_segmentation
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*
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* Display all the words on the page into a window.
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**********************************************************************/
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void display_segmentation(TBLOB *chunks, SEARCH_STATE segmentation) {
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void *window;
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/* Destroy old data */
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/* If no window create it */
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if (segm_window == NULL) {
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segm_window = c_create_window ("Segmentation", 5, 10,
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500, 128, -1000.0, 1000.0, 0.0, 256.0);
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}
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else {
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c_clear_window(segm_window);
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}
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window = segm_window;
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render_segmentation(window, chunks, segmentation);
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/* Put data in the window */
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c_make_current(window);
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}
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/**********************************************************************
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* init_plotseg
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*
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* Intialize the plotseg control variables.
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**********************************************************************/
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void init_plotseg() {
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make_display_seg();
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}
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/**********************************************************************
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* render_segmentation
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*
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* Create a list of line segments that represent the list of chunks
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* using the correct segmentation that was supplied as input.
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**********************************************************************/
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void render_segmentation(void *window,
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TBLOB *chunks,
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SEARCH_STATE segmentation) {
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TPOINT origin;
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TBLOB *blob;
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C_COL color = Black;
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int char_num = -1;
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int chunks_left = 0;
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blobs_origin(chunks, &origin);
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iterate_blobs(blob, chunks) {
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if (chunks_left-- == 0) {
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color = color_list[++char_num % NUM_COLORS];
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if (char_num < segmentation[0])
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chunks_left = segmentation[char_num + 1];
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else
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chunks_left = MAXINT;
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}
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render_outline (window, blob->outlines, origin, color);
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}
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}
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