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plotedges.cpp
Go to the documentation of this file.
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/* -*-C-*-
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********************************************************************************
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*
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* File: plotedges.c (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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/**********************************************************************
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* mark_split
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*
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* Set up the marks list to be displayed in subsequent updates and draw
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* the marks in the current window. The marks are stored in the second
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* sublist. The first sublist is left unmodified.
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**********************************************************************/
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void
mark_split
(
SPLIT
*split) {
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void
*window =
edge_window
;
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c_line_color_index
(window,
Green
);
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c_move
(window, (
float
) split->
point1
->
pos
.
x
, (
float
) split->
point1
->
pos
.
y
);
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c_draw
(window, (
float
) split->
point2
->
pos
.
x
, (
float
) split->
point2
->
pos
.
y
);
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c_make_current
(window);
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}
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#endif // GRAPHICS_DISABLED
mnt
data
src
tesseract-ocr
wordrec
plotedges.cpp
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