| /* -*-C-*- |
| ******************************************************************************** |
| * |
| * File: plotseg.c (Formerly plotseg.c) |
| * Description: |
| * Author: Mark Seaman, OCR Technology |
| * Created: Fri Oct 16 14:37:00 1987 |
| * Modified: Fri Apr 26 10:03:05 1991 (Mark Seaman) marks@hpgrlt |
| * Language: C |
| * Package: N/A |
| * Status: Reusable Software Component |
| * |
| * (c) Copyright 1987, Hewlett-Packard Company. |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| * |
| *********************************************************************************/ |
| /*---------------------------------------------------------------------- |
| I n c l u d e s |
| ----------------------------------------------------------------------*/ |
| #include "plotseg.h" |
| #include "callcpp.h" |
| #include "scrollview.h" |
| #include "tessclas.h" |
| #include "blobs.h" |
| #include "const.h" |
| #include <math.h> |
| |
| #ifndef GRAPHICS_DISABLED |
| |
| /*---------------------------------------------------------------------- |
| V a r i a b l e s |
| ----------------------------------------------------------------------*/ |
| ScrollView *segm_window = NULL; |
| |
| INT_VAR(wordrec_display_segmentations, 0, "Display Segmentations"); |
| |
| /*---------------------------------------------------------------------- |
| F u n c t i o n s |
| ----------------------------------------------------------------------*/ |
| /********************************************************************** |
| * display_segmentation |
| * |
| * Display all the words on the page into a window. |
| **********************************************************************/ |
| void display_segmentation(TBLOB *chunks, SEARCH_STATE segmentation) { |
| /* If no window create it */ |
| if (segm_window == NULL) { |
| segm_window = c_create_window ("Segmentation", 5, 10, |
| 500, 256, -1000.0, 1000.0, 0.0, 256.0); |
| } |
| else { |
| c_clear_window(segm_window); |
| } |
| |
| render_segmentation(segm_window, chunks, segmentation); |
| /* Put data in the window */ |
| c_make_current(segm_window); |
| } |
| |
| /********************************************************************** |
| * render_segmentation |
| * |
| * Create a list of line segments that represent the list of chunks |
| * using the correct segmentation that was supplied as input. |
| **********************************************************************/ |
| void render_segmentation(ScrollView *window, |
| TBLOB *chunks, |
| SEARCH_STATE segmentation) { |
| TBLOB *blob; |
| C_COL color = Black; |
| int char_num = -1; |
| int chunks_left = 0; |
| |
| TPOINT topleft; |
| TPOINT botright; |
| |
| // Find bounding box. |
| blobs_bounding_box(chunks, &topleft, &botright); |
| |
| iterate_blobs(blob, chunks) { |
| |
| if (chunks_left-- == 0) { |
| color = color_list[++char_num % NUM_COLORS]; |
| |
| if (char_num < segmentation[0]) |
| chunks_left = segmentation[char_num + 1]; |
| else |
| chunks_left = MAX_INT32; |
| } |
| render_outline(window, blob->outlines, color); |
| } |
| window->ZoomToRectangle(topleft.x, topleft.y, botright.x, botright.y); |
| } |
| |
| #endif // GRPAHICS_DISABLED |