| /********************************************************************** |
| * File: imgs.h (Formerly images.h) |
| * Description: Header file for IMAGE member functions. |
| * Author: Ray Smith |
| * Created: Mon Jun 11 15:32:53 BST 1990 |
| * |
| * (C) Copyright 1990, 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 IMGS_H |
| #define IMGS_H |
| |
| #include "img.h" |
| #include "varable.h" |
| |
| extern INT_VAR_H (image_default_resolution, 300, "Image resolution dpi"); |
| |
| inT32 check_legal_image_size( //get rest of image |
| inT32 x, //x size required |
| inT32 y, //ysize required |
| inT8 bits_per_pixel //bpp required |
| ); |
| //copy rectangle |
| extern DLLSYM void copy_sub_image(IMAGE *source, //source image |
| inT32 xstart, //start coords |
| inT32 ystart, |
| inT32 xext, //extent to copy |
| inT32 yext, |
| IMAGE *dest, //destination image |
| inT32 xdest, //destination coords |
| inT32 ydest, |
| BOOL8 adjust_grey //shift to new bpp |
| ); |
| //enlarge rectangle |
| extern DLLSYM void enlarge_sub_image(IMAGE *source, //source image |
| inT32 xstart, //scaled start coords |
| inT32 ystart, |
| IMAGE *dest, //destination image |
| inT32 xdest, //dest coords |
| inT32 ydest, |
| inT32 xext, //destination extent |
| inT32 yext, |
| inT32 scale, //scale factor |
| BOOL8 adjust_grey //shift to new bpp |
| ); |
| //reduce rectangle |
| extern DLLSYM void fast_reduce_sub_image(IMAGE *source, //source image |
| inT32 xstart, //start coords |
| inT32 ystart, |
| inT32 xext, //extent to copy |
| inT32 yext, |
| IMAGE *dest, //destination image |
| inT32 xdest, //destination coords |
| inT32 ydest, |
| inT32 scale, //reduction factor |
| BOOL8 adjust_grey //shift to new bpp |
| ); |
| //reduce rectangle |
| extern DLLSYM void reduce_sub_image(IMAGE *source, //source image |
| inT32 xstart, //start coords |
| inT32 ystart, |
| inT32 xext, //extent to copy |
| inT32 yext, |
| IMAGE *dest, //destination image |
| inT32 xdest, //destination coords |
| inT32 ydest, |
| inT32 scale, //reduction factor |
| BOOL8 adjust_grey //shift to new bpp |
| ); |
| extern DLLSYM void invert_image( /*invert the image */ |
| IMAGE *image /*image ot invert */ |
| ); |
| //bias rectangle |
| extern DLLSYM void bias_sub_image(IMAGE *source, //source image |
| inT32 xstart, //start coords |
| inT32 ystart, |
| inT32 xext, //extent to copy |
| inT32 yext, |
| uinT8 bias //number to add |
| ); |
| //copy rectangle |
| extern DLLSYM void starbase_to_normal(IMAGE *source, //source image |
| inT32 xstart, //start coords |
| inT32 ystart, |
| inT32 xext, //extent to copy |
| inT32 yext, |
| IMAGE *dest, //destination image |
| inT32 xdest, //destination coords |
| inT32 ydest, |
| BOOL8 preserve_grey //shift to new bpp |
| ); |
| #endif |