mirror of
https://github.com/tesseract-ocr/tesseract.git
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10c1169d98
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@860 d0cd1f9f-072b-0410-8dd7-cf729c803f20
148 lines
4.0 KiB
C++
148 lines
4.0 KiB
C++
/**********************************************************************
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* File: callcpp.cpp
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* Description: extern C interface calling C++ from C.
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* Author: Ray Smith
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* Created: Sun Feb 04 20:39:23 MST 1996
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*
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* (C) Copyright 1996, Hewlett-Packard Co.
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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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// 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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#include "errcode.h"
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#ifdef __UNIX__
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#include <assert.h>
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#include <stdarg.h>
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#endif
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#include <time.h>
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#include "memry.h"
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#include "scrollview.h"
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#include "params.h"
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#include "callcpp.h"
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#include "tprintf.h"
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#include "host.h"
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#include "unichar.h"
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void
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cprintf ( //Trace printf
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const char *format, ... //special message
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) {
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va_list args; //variable args
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char msg[1000];
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va_start(args, format); //variable list
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vsprintf(msg, format, args); //Format into msg
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va_end(args);
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tprintf ("%s", msg);
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}
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#ifndef GRAPHICS_DISABLED
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ScrollView *c_create_window( /*create a window */
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const char *name, /*name/title of window */
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inT16 xpos, /*coords of window */
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inT16 ypos, /*coords of window */
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inT16 xsize, /*size of window */
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inT16 ysize, /*size of window */
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double xmin, /*scrolling limits */
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double xmax, /*to stop users */
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double ymin, /*getting lost in */
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double ymax /*empty space */
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) {
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return new ScrollView(name, xpos, ypos, xsize, ysize, xmax - xmin, ymax - ymin, true);
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}
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void c_line_color_index( /*set color */
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void *win,
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C_COL index) {
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// The colors are the same as the SV ones except that SV has COLOR:NONE --> offset of 1
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ScrollView* window = (ScrollView*) win;
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window->Pen((ScrollView::Color) (index + 1));
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}
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void c_move( /*move pen */
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void *win,
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double x,
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double y) {
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ScrollView* window = (ScrollView*) win;
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window->SetCursor((int) x, (int) y);
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}
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void c_draw( /*move pen */
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void *win,
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double x,
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double y) {
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ScrollView* window = (ScrollView*) win;
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window->DrawTo((int) x, (int) y);
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}
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void c_make_current( /*move pen */
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void *win) {
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ScrollView* window = (ScrollView*) win;
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window->Update();
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}
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void c_clear_window( /*move pen */
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void *win) {
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ScrollView* window = (ScrollView*) win;
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window->Clear();
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}
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char window_wait(ScrollView* win) {
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SVEvent* ev;
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// Wait till an input or click event (all others are thrown away)
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char ret = '\0';
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SVEventType ev_type = SVET_ANY;
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do {
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ev = win->AwaitEvent(SVET_ANY);
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ev_type = ev->type;
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if (ev_type == SVET_INPUT)
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ret = ev->parameter[0];
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delete ev;
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} while (ev_type != SVET_INPUT && ev_type != SVET_CLICK);
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return ret;
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}
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#endif
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void reverse32(void *ptr) {
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char tmp;
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char *cptr = (char *) ptr;
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tmp = *cptr;
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*cptr = *(cptr + 3);
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*(cptr + 3) = tmp;
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tmp = *(cptr + 1);
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*(cptr + 1) = *(cptr + 2);
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*(cptr + 2) = tmp;
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}
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void reverse16(void *ptr) {
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char tmp;
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char *cptr = (char *) ptr;
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tmp = *cptr;
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*cptr = *(cptr + 1);
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*(cptr + 1) = tmp;
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}
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