103 lines
3.0 KiB
C
103 lines
3.0 KiB
C
/* Definitions for partial image regions.
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*
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* J.Cupitt, 8/4/93
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*/
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/*
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This file is part of VIPS.
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VIPS is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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#ifndef IM_GENERATE_H
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#define IM_GENERATE_H
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#ifdef __cplusplus
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extern "C" {
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#endif /*__cplusplus*/
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/* IMAGE functions which use regions.
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*/
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int im_prepare( REGION *reg, Rect *r );
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int im_prepare_to( REGION *reg, REGION *dest, Rect *r, int x, int y );
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typedef void *(*im_start_fn)( IMAGE *out, void *a, void *b );
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typedef int (*im_generate_fn)( REGION *out, void *seq, void *a, void *b );
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typedef int (*im_stop_fn)( void *seq, void *a, void *b );
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void *im_start_one( IMAGE *out, void *in, void *dummy );
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int im_stop_one( void *seq, void *dummy1, void *dummy2 );
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void *im_start_many( IMAGE *out, void *in, void *dummy );
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int im_stop_many( void *seq, void *dummy1, void *dummy2 );
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IMAGE **im_allocate_input_array( IMAGE *out, ... )
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__attribute__((sentinel));
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int im_generate( IMAGE *im,
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im_start_fn start, im_generate_fn generate, im_stop_fn stop,
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void *a, void *b
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);
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int im_iterate( IMAGE *im,
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im_start_fn start, im_generate_fn generate, im_stop_fn stop,
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void *a, void *b
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);
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int im_demand_hint_array( IMAGE *im, im_demand_type hint, IMAGE **in );
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int im_demand_hint( IMAGE *im, im_demand_type hint, ... )
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__attribute__((sentinel));
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/* Buffer processing.
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*/
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typedef void (*im_wrapone_fn)( void *in, void *out, int width,
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void *a, void *b );
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int im_wrapone( IMAGE *in, IMAGE *out,
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im_wrapone_fn fn, void *a, void *b );
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typedef void (*im_wraptwo_fn)( void *in1, void *in2, void *out,
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int width, void *a, void *b );
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int im_wraptwo( IMAGE *in1, IMAGE *in2, IMAGE *out,
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im_wraptwo_fn fn, void *a, void *b );
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typedef void (*im_wrapmany_fn)( void **in, void *out, int width,
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void *a, void *b );
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int im_wrapmany( IMAGE **in, IMAGE *out,
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im_wrapmany_fn fn, void *a, void *b );
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/* Async rendering.
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*/
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int im_render_priority( IMAGE *in, IMAGE *out, IMAGE *mask,
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int width, int height, int max,
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int priority,
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void (*notify)( IMAGE *, Rect *, void * ), void *client );
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int im_cache( IMAGE *in, IMAGE *out, int width, int height, int max );
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/* WIO.
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*/
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int im_setupout( IMAGE *im );
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int im_writeline( int ypos, IMAGE *im, PEL *linebuffer );
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#ifdef __cplusplus
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}
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#endif /*__cplusplus*/
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#endif /*IM_GENERATE_H*/
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