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103 lines
5.6 KiB
C
103 lines
5.6 KiB
C
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/**********************************************************************
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* File: imgs.h (Formerly images.h)
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* Description: Header file for IMAGE member functions.
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* Author: Ray Smith
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* Created: Mon Jun 11 15:32:53 BST 1990
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*
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* (C) Copyright 1990, Hewlett-Packard Ltd.
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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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#ifndef IMGS_H
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#define IMGS_H
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#include "img.h"
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#include "varable.h"
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extern INT_VAR_H (image_default_resolution, 300, "Image resolution dpi");
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INT32 check_legal_image_size( //get rest of image
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INT32 x, //x size required
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INT32 y, //ysize required
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INT8 bits_per_pixel //bpp required
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);
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//copy rectangle
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extern DLLSYM void copy_sub_image(IMAGE *source, //source image
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INT32 xstart, //start coords
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INT32 ystart,
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INT32 xext, //extent to copy
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INT32 yext,
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IMAGE *dest, //destination image
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INT32 xdest, //destination coords
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INT32 ydest,
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BOOL8 adjust_grey //shift to new bpp
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);
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//enlarge rectangle
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extern DLLSYM void enlarge_sub_image(IMAGE *source, //source image
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INT32 xstart, //scaled start coords
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INT32 ystart,
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IMAGE *dest, //destination image
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INT32 xdest, //dest coords
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INT32 ydest,
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INT32 xext, //destination extent
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INT32 yext,
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INT32 scale, //scale factor
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BOOL8 adjust_grey //shift to new bpp
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);
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//reduce rectangle
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extern DLLSYM void fast_reduce_sub_image(IMAGE *source, //source image
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INT32 xstart, //start coords
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INT32 ystart,
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INT32 xext, //extent to copy
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INT32 yext,
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IMAGE *dest, //destination image
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INT32 xdest, //destination coords
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INT32 ydest,
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INT32 scale, //reduction factor
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BOOL8 adjust_grey //shift to new bpp
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);
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//reduce rectangle
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extern DLLSYM void reduce_sub_image(IMAGE *source, //source image
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INT32 xstart, //start coords
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INT32 ystart,
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INT32 xext, //extent to copy
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INT32 yext,
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IMAGE *dest, //destination image
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INT32 xdest, //destination coords
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INT32 ydest,
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INT32 scale, //reduction factor
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BOOL8 adjust_grey //shift to new bpp
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);
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extern DLLSYM void invert_image( /*invert the image */
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IMAGE *image /*image ot invert */
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);
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//bias rectangle
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extern DLLSYM void bias_sub_image(IMAGE *source, //source image
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INT32 xstart, //start coords
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INT32 ystart,
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INT32 xext, //extent to copy
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INT32 yext,
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UINT8 bias //number to add
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);
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//copy rectangle
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extern DLLSYM void starbase_to_normal(IMAGE *source, //source image
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INT32 xstart, //start coords
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INT32 ystart,
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INT32 xext, //extent to copy
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INT32 yext,
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IMAGE *dest, //destination image
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INT32 xdest, //destination coords
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INT32 ydest,
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BOOL8 preserve_grey //shift to new bpp
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);
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#endif
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