/********************************************************************** * File: fpchop.h (Formerly fp_chop.h) * Description: Code to chop fixed pitch text into character cells. * Author: Ray Smith * Created: Thu Sep 16 11:14:15 BST 1993 * * (C) Copyright 1993, 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 FPCHOP_H #define FPCHOP_H #include "varable.h" #include "blobbox.h" #include "notdll.h" #include "notdll.h" class OUTLINE_FRAG:public ELIST_LINK { public: OUTLINE_FRAG() { } //empty constructor //head of fragment OUTLINE_FRAG(POLYPT_IT *head_it, POLYPT_IT *tail_it); //tail of fragment //other end OUTLINE_FRAG(OUTLINE_FRAG *head, float tail_y); POLYPT_LIST polypts; //only if a head OUTLINE_FRAG *other_end; //head if a tail float ycoord; //coord of cut pt private: }; class C_OUTLINE_FRAG:public ELIST_LINK { public: C_OUTLINE_FRAG() { //empty constructor steps = NULL; stepcount = 0; } ~C_OUTLINE_FRAG () { if (steps != NULL) delete [] steps; } //start coord C_OUTLINE_FRAG(ICOORD start_pt, ICOORD end_pt, //end coord C_OUTLINE *outline, //source of steps inT16 start_index, inT16 end_index); //other end C_OUTLINE_FRAG(C_OUTLINE_FRAG *head, inT16 tail_y); C_OUTLINE *close(); //copy to outline C_OUTLINE_FRAG & operator= ( //assign const C_OUTLINE_FRAG & src); ICOORD start; //start coord ICOORD end; //end coord DIR128 *steps; //step array inT32 stepcount; //no of steps C_OUTLINE_FRAG *other_end; //head if a tail inT16 ycoord; //coord of cut pt private: }; ELISTIZEH (OUTLINE_FRAG) ELISTIZEH (C_OUTLINE_FRAG) extern INT_VAR_H (textord_fp_chop_error, 2, "Max allowed bending of chop cells"); extern double_VAR_H (textord_fp_chop_snap, 0.5, "Max distance of chop pt from vertex"); ROW *fixed_pitch_words( //find lines TO_ROW *row, //row to do FCOORD rotation //for drawing ); WERD *add_repeated_word( //move repeated word WERD_IT *rep_it, //repeated words inT16 &rep_left, //left edge of word inT16 &prev_chop_coord, //previous word end uinT8 &blanks, //no of blanks float pitch, //char cell size WERD_IT *word_it //list of words ); void split_to_blob( //split the blob BLOBNBOX *blob, //blob to split inT16 chop_coord, //place to chop float pitch_error, //allowed deviation OUTLINE_LIST *left_outlines, //left half of chop C_OUTLINE_LIST *left_coutlines, //for cblobs OUTLINE_LIST *right_outlines, //right half of chop C_OUTLINE_LIST *right_coutlines); void fixed_chop_blob( //split the blob PBLOB *blob, //blob to split inT16 chop_coord, //place to chop float pitch_error, //allowed deviation OUTLINE_LIST *left_outlines, //left half of chop OUTLINE_LIST *right_outlines //right half of chop ); void fixed_split_outline( //chop the outline OUTLINE *srcline, //source outline inT16 chop_coord, //place to chop float pitch_error, //allowed deviation OUTLINE_IT *left_it, //left half of chop OUTLINE_IT *right_it //right half of chop ); BOOL8 fixed_chop_outline( //chop the outline OUTLINE *srcline, //source outline inT16 chop_coord, //place to chop float pitch_error, //allowed deviation OUTLINE_FRAG_LIST *left_frags, //left half of chop OUTLINE_FRAG_LIST *right_frags //right half of chop ); void save_chop_fragment( //chop the outline POLYPT_IT *head_it, //head of fragment POLYPT_IT *tail_it, //tail of fragment OUTLINE_FRAG_LIST *frags //fragment list ); void add_frag_to_list( //ordered add OUTLINE_FRAG *frag, //fragment to add OUTLINE_FRAG_LIST *frags //fragment list ); void insert_chop_pt( //make chop POLYPT_IT *it, //iterator inT16 chop_coord //required chop pt ); FCOORD find_chop_coords( //make chop POLYPT_IT *it, //iterator inT16 chop_coord //required chop pt ); void insert_extra_pt( //make extra POLYPT_IT *it //iterator ); void close_chopped_fragments( //chop the outline OUTLINE_FRAG_LIST *frags, //list to clear OUTLINE_LIST *children, //potential children OUTLINE_IT *dest_it //output list ); void join_chopped_fragments( //join pieces OUTLINE_FRAG *bottom, //bottom of cut OUTLINE_FRAG *top //top of cut ); void fixed_chop_cblob( //split the blob C_BLOB *blob, //blob to split inT16 chop_coord, //place to chop float pitch_error, //allowed deviation C_OUTLINE_LIST *left_outlines, //left half of chop C_OUTLINE_LIST *right_outlines //right half of chop ); void fixed_split_coutline( //chop the outline C_OUTLINE *srcline, //source outline inT16 chop_coord, //place to chop float pitch_error, //allowed deviation C_OUTLINE_IT *left_it, //left half of chop C_OUTLINE_IT *right_it //right half of chop ); BOOL8 fixed_chop_coutline( //chop the outline C_OUTLINE *srcline, //source outline inT16 chop_coord, //place to chop float pitch_error, //allowed deviation C_OUTLINE_FRAG_LIST *left_frags, //left half of chop C_OUTLINE_FRAG_LIST *right_frags //right half of chop ); inT16 next_anti_left_seg( //chop the outline C_OUTLINE *srcline, //source outline inT16 tail_index, //of tailpos inT16 startindex, //end of search inT32 length, //of outline inT16 chop_coord, //place to chop float pitch_error, //allowed deviation ICOORD *tail_pos //current position ); inT16 next_anti_right_seg( //chop the outline C_OUTLINE *srcline, //source outline inT16 tail_index, //of tailpos inT16 startindex, //end of search inT32 length, //of outline inT16 chop_coord, //place to chop float pitch_error, //allowed deviation ICOORD *tail_pos //current position ); inT16 next_clock_left_seg( //chop the outline C_OUTLINE *srcline, //source outline inT16 tail_index, //of tailpos inT16 startindex, //end of search inT32 length, //of outline inT16 chop_coord, //place to chop float pitch_error, //allowed deviation ICOORD *tail_pos //current position ); inT16 next_clock_right_seg( //chop the outline C_OUTLINE *srcline, //source outline inT16 tail_index, //of tailpos inT16 startindex, //end of search inT32 length, //of outline inT16 chop_coord, //place to chop float pitch_error, //allowed deviation ICOORD *tail_pos //current position ); void save_chop_cfragment( //chop the outline inT16 head_index, //head of fragment ICOORD head_pos, //head of fragment inT16 tail_index, //tail of fragment ICOORD tail_pos, //tail of fragment C_OUTLINE *srcline, //source of edgesteps C_OUTLINE_FRAG_LIST *frags //fragment list ); void add_frag_to_list( //ordered add C_OUTLINE_FRAG *frag, //fragment to add C_OUTLINE_FRAG_LIST *frags //fragment list ); void close_chopped_cfragments( //chop the outline C_OUTLINE_FRAG_LIST *frags, //list to clear C_OUTLINE_LIST *children, //potential children float pitch_error, //allowed shrinkage C_OUTLINE_IT *dest_it //output list ); C_OUTLINE *join_chopped_fragments( //join pieces C_OUTLINE_FRAG *bottom, //bottom of cut C_OUTLINE_FRAG *top //top of cut ); void join_segments( //join pieces C_OUTLINE_FRAG *bottom, //bottom of cut C_OUTLINE_FRAG *top //top of cut ); #endif