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123 lines
3.5 KiB
C++
123 lines
3.5 KiB
C++
/* -*-C-*-
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********************************************************************************
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*
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* File: plotedges.cpp (Formerly plotedges.c)
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* Description: Graphics routines for "Edges" and "Outlines" windows
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* Author: Mark Seaman, OCR Technology
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* Created: Fri Jul 28 13:14:48 1989
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* Modified: Tue Jul 9 17:22:22 1991 (Mark Seaman) marks@hpgrlt
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* Language: C
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* Package: N/A
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* Status: Experimental (Do Not Distribute)
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*
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* (c) Copyright 1989, 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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#ifdef __UNIX__
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#include <assert.h>
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#endif
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#include "plotedges.h"
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#include "render.h"
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#include "split.h"
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// Include automatically generated configuration file if running autoconf.
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#ifdef HAVE_CONFIG_H
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#include "config_auto.h"
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#endif
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#ifndef GRAPHICS_DISABLED
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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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ScrollView *edge_window = NULL;
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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_edgepts
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*
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* Macro to display edge points in a window.
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**********************************************************************/
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void display_edgepts(LIST outlines) {
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void *window;
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/* Set up window */
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if (edge_window == NULL) {
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edge_window = c_create_window ("Edges", 750, 150,
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400, 128, -400.0, 400.0, 0.0, 256.0);
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}
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else {
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c_clear_window(edge_window);
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}
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/* Render the outlines */
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window = edge_window;
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/* Reclaim old memory */
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iterate(outlines) {
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render_edgepts (window, (EDGEPT *) first_node (outlines), White);
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}
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}
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/**********************************************************************
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* draw_blob_edges
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*
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* Display the edges of this blob in the edges window.
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**********************************************************************/
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void draw_blob_edges(TBLOB *blob) {
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TESSLINE *ol;
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LIST edge_list = NIL_LIST;
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if (wordrec_display_splits) {
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for (ol = blob->outlines; ol != NULL; ol = ol->next)
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push_on (edge_list, ol->loop);
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display_edgepts(edge_list);
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destroy(edge_list);
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}
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}
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/**********************************************************************
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* mark_outline
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*
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* Make a mark on the edges window at a particular location.
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**********************************************************************/
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void mark_outline(EDGEPT *edgept) { /* Start of point list */
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void *window = edge_window;
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float x = edgept->pos.x;
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float y = edgept->pos.y;
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c_line_color_index(window, Red);
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c_move(window, x, y);
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x -= 4;
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y -= 12;
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c_draw(window, x, y);
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x -= 2;
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y += 4;
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c_draw(window, x, y);
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x -= 4;
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y += 2;
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c_draw(window, x, y);
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x += 10;
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y += 6;
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c_draw(window, x, y);
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c_make_current(window);
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}
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#endif // GRAPHICS_DISABLED
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