| /********************************************************************** |
| * File: polyblob.h (Formerly blob.h) |
| * Description: Code for PBLOB class. |
| * Author: Ray Smith |
| * Created: Wed Oct 23 15:17:41 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 POLYBLOB_H |
| #define POLYBLOB_H |
| |
| #include "poutline.h" |
| #include "rect.h" |
| #include "normalis.h" |
| #include "stepblob.h" |
| |
| class PBLOB:public ELIST_LINK |
| { |
| public: |
| PBLOB() { |
| } //empty constructor |
| PBLOB( //constructor |
| OUTLINE_LIST *outline_list); //in random order |
| PBLOB( //constructor |
| C_BLOB *cblob, //polygonal approx |
| float xheight); |
| |
| OUTLINE_LIST *out_list() { //get outline list |
| return &outlines; |
| } |
| |
| TBOX bounding_box(); //compute bounding box |
| float area(); //get area of blob |
| |
| PBLOB *baseline_normalise( //normalise single blob |
| ROW *row, //row it came from |
| DENORM *denorm); //inverse mapping out |
| void baseline_denormalise( //denormalise |
| const DENORM *denorm); //antidote |
| |
| #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 move( // reposition blob |
| const FCOORD vec); // by FLOAT vector |
| |
| void scale( // scale blob |
| const float f); // by multiplier |
| void scale( // scale blob |
| const FCOORD vec); // by FLOAT vector |
| void rotate(); // Rotate 90 deg anti |
| |
| 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 (PBLOB) PBLOB & operator= ( |
| const PBLOB & source) { //from this |
| if (!outlines.empty ()) |
| outlines.clear (); |
| |
| outlines.deep_copy (&source.outlines); |
| return *this; |
| } |
| |
| private: |
| OUTLINE_LIST outlines; //master elements |
| }; |
| |
| ELISTIZEH_S (PBLOB) |
| #endif |