gecko-dev/modules/libimg/pngcom/ipng.h

58 lines
1.6 KiB
C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (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.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
/* ipng.h */
typedef enum {
PNG_ERROR,
PNG_INIT,
PNG_CONTINUE,
PNG_DELAY,
PNG_FINISH,
PNG_DONE
} png_state;
typedef struct ipng_str {
png_state state; /* Decoder FSM state */
/* int rows_per_chunk; NOT USED (similar variable in jpeg_struct) */
void *delay_timeout;
PRUint32 delay_time;
png_structp pngs_p;
png_infop info_p;
jmp_buf jmpbuf; /* use ours, not libpng's, for consistency */
PRUint32 width;
PRUint32 height;
int channels; /* color channels (3 or 4) */
PRUint8 *rgbrow; /* RGB row buffer (3*width bytes) */
PRUint8 *alpharow; /* alpha row buffer (width bytes) */
/* One scanline's worth of post-processed sample data */
il_container *ic;
} ipng_struct, *ipng_structp;