| /********************************************************************** |
| * File: stepblob.h (Formerly cblob.h) |
| * Description: Code for C_BLOB class. |
| * Author: Ray Smith |
| * Created: Tue Oct 08 10:41:13 BST 1991 |
| * |
| * (C) Copyright 1991, Hewlett-Packard Ltd. |
| ** 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. |
| * |
| **********************************************************************/ |
| |
| #ifndef STEPBLOB_H |
| #define STEPBLOB_H |
| |
| #include "coutln.h" |
| #include "rect.h" |
| |
| class C_BLOB:public ELIST_LINK |
| { |
| public: |
| C_BLOB() { |
| } //empty constructor |
| C_BLOB( //constructor //in random order |
| C_OUTLINE_LIST *outline_list); |
| |
| C_OUTLINE_LIST *out_list() { //get outline list |
| return &outlines; |
| } |
| |
| TBOX bounding_box(); //compute bounding box |
| inT32 area(); //compute area |
| inT32 outer_area(); //compute area |
| inT32 count_transitions( //count maxima |
| inT32 threshold); //size threshold |
| |
| void move( // reposition blob |
| const ICOORD vec); // by vector |
| |
| #ifndef GRAPHICS_DISABLED |
| void plot( //draw one |
| ScrollView* window, //window to draw in |
| ScrollView::Color blob_colour, //for outer bits |
| ScrollView::Color child_colour); //for holes |
| #endif |
| |
| void prep_serialise() { //set ptrs to counts |
| outlines.prep_serialise (); |
| } |
| |
| void dump( //write external bits |
| FILE *f) { |
| outlines.dump (f); |
| } |
| |
| void de_dump( //read external bits |
| FILE *f) { |
| outlines.de_dump (f); |
| } |
| |
| //assignment |
| make_serialise (C_BLOB) C_BLOB & operator= ( |
| const C_BLOB & source) { //from this |
| if (!outlines.empty ()) |
| outlines.clear (); |
| |
| outlines.deep_copy (&source.outlines); |
| return *this; |
| } |
| |
| private: |
| C_OUTLINE_LIST outlines; //master elements |
| }; |
| |
| ELISTIZEH_S (C_BLOB) |
| #endif |