📄 libmng_pixels.h
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/* ************************************************************************** */
/* * For conditions of distribution and use, * */
/* * see copyright notice in libmng.h * */
/* ************************************************************************** */
/* * * */
/* * project : libmng * */
/* * file : libmng_pixels.h copyright (c) 2000-2004 G.Juyn * */
/* * version : 1.0.7 * */
/* * * */
/* * purpose : Pixel-row management routines (definition) * */
/* * * */
/* * author : G.Juyn * */
/* * * */
/* * comment : Definition of the pixel-row management routines * */
/* * * */
/* * changes : 0.5.1 - 05/08/2000 - G.Juyn * */
/* * - changed strict-ANSI stuff * */
/* * * */
/* * 0.5.2 - 05/22/2000 - G.Juyn * */
/* * - added some JNG definitions * */
/* * - added delta-image row-processing routines * */
/* * 0.5.2 - 06/05/2000 - G.Juyn * */
/* * - added support for RGB8_A8 canvasstyle * */
/* * * */
/* * 0.5.3 - 06/16/2000 - G.Juyn * */
/* * - changed progressive-display processing * */
/* * * */
/* * 0.9.2 - 08/05/2000 - G.Juyn * */
/* * - changed file-prefixes * */
/* * * */
/* * 0.9.3 - 08/26/2000 - G.Juyn * */
/* * - added MAGN support * */
/* * 0.9.3 - 09/07/2000 - G.Juyn * */
/* * - added support for new filter_types * */
/* * 0.9.3 - 10/16/2000 - G.Juyn * */
/* * - added optional support for bKGD for PNG images * */
/* * - added support for JDAA * */
/* * 0.9.3 - 10/19/2000 - G.Juyn * */
/* * - implemented delayed delta-processing * */
/* * * */
/* * 0.9.4 - 1/18/2001 - G.Juyn * */
/* * - added "new" MAGN methods 3, 4 & 5 * */
/* * * */
/* * 1.0.1 - 04/21/2001 - G.Juyn (code by G.Kelly) * */
/* * - added BGRA8 canvas with premultiplied alpha * */
/* * * */
/* * 1.0.5 - 08/15/2002 - G.Juyn * */
/* * - completed PROM support * */
/* * - completed delta-image support * */
/* * 1.0.5 - 08/16/2002 - G.Juyn * */
/* * - completed MAGN support (16-bit functions) * */
/* * 1.0.5 - 08/19/2002 - G.Juyn * */
/* * - B597134 - libmng pollutes the linker namespace * */
/* * 1.0.5 - 09/22/2002 - G.Juyn * */
/* * - added bgrx8 canvas (filler byte) * */
/* * 1.0.5 - 09/23/2002 - G.Juyn * */
/* * - added compose over/under routines for PAST processing * */
/* * - added flip & tile routines for PAST processing * */
/* * * */
/* * 1.0.6 - 03/09/2003 - G.Juyn * */
/* * - hiding 12-bit JPEG stuff * */
/* * 1.0.6 - 05/11/2003 - G. Juyn * */
/* * - added conditionals around canvas update routines * */
/* * 1.0.6 - 06/09/2003 - G. R-P * */
/* * - added conditionals around 8-bit magn routines * */
/* * 1.0.6 - 07/07/2003 - G. R-P * */
/* * - removed conditionals around 8-bit magn routines * */
/* * - added conditionals around 16-bit and delta-PNG * */
/* * supporting code * */
/* * 1.0.6 - 07/29/2003 - G.R-P * */
/* * - added SKIPCHUNK conditionals around PAST chunk support * */
/* * 1.0.6 - 08/18/2003 - G.R-P * */
/* * - added conditionals around 1, 2, and 4-bit prototypes * */
/* * * */
/* * 1.0.7 - 11/27/2003 - R.A * */
/* * - added CANVAS_RGB565 and CANVAS_BGR565 * */
/* * 1.0.7 - 12/06/2003 - R.A * */
/* * - added CANVAS_RGBA565 and CANVAS_BGRA565 * */
/* * 1.0.7 - 01/25/2004 - J.S * */
/* * - added premultiplied alpha canvas' for RGBA, ARGB, ABGR * */
/* * * */
/* ************************************************************************** */
#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI)
#pragma option -A /* force ANSI-C */
#endif
#ifndef _libmng_pixels_h_
#define _libmng_pixels_h_
/* ************************************************************************** */
/* * * */
/* * Progressive display check - checks to see if progressive display is * */
/* * in order & indicates so * */
/* * * */
/* * The routine is called after a call to one of the display_xxx routines * */
/* * if appropriate * */
/* * * */
/* * The refresh is warrented in the read_chunk routine (mng_read.c) * */
/* * and only during read&display processing, since there's not much point * */
/* * doing it from memory! * */
/* * * */
/* ************************************************************************** */
mng_retcode mng_display_progressive_check (mng_datap pData);
/* ************************************************************************** */
/* * * */
/* * Display routines - convert rowdata (which is already color-corrected) * */
/* * to the output canvas, respecting any transparency information * */
/* * * */
/* ************************************************************************** */
#ifndef MNG_SKIPCANVAS_RGB8
mng_retcode mng_display_rgb8 (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_RGBA8
mng_retcode mng_display_rgba8 (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_RGBA8_PM
mng_retcode mng_display_rgba8_pm (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_ARGB8
mng_retcode mng_display_argb8 (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_ARGB8_PM
mng_retcode mng_display_argb8_pm (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_RGB8_A8
mng_retcode mng_display_rgb8_a8 (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_BGR8
mng_retcode mng_display_bgr8 (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_BGRX8
mng_retcode mng_display_bgrx8 (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_BGRA8
mng_retcode mng_display_bgra8 (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_BGRA8_PM
mng_retcode mng_display_bgra8_pm (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_ABGR8
mng_retcode mng_display_abgr8 (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_ABGR8_PM
mng_retcode mng_display_abgr8_pm (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_RGB565
mng_retcode mng_display_rgb565 (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_RGBA565
mng_retcode mng_display_rgba565 (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_BGR565
mng_retcode mng_display_bgr565 (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_BGRA565
mng_retcode mng_display_bgra565 (mng_datap pData);
#endif
/* ************************************************************************** */
/* * * */
/* * Background restore routines - restore the background with info from * */
/* * the BACK and/or bKGD chunk and/or the app's background canvas * */
/* * * */
/* ************************************************************************** */
mng_retcode mng_restore_bkgd_backimage (mng_datap pData);
mng_retcode mng_restore_bkgd_backcolor (mng_datap pData);
mng_retcode mng_restore_bkgd_bkgd (mng_datap pData);
mng_retcode mng_restore_bkgd_bgcolor (mng_datap pData);
#ifndef MNG_SKIPCANVAS_RGB8
mng_retcode mng_restore_bkgd_rgb8 (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_BGR8
mng_retcode mng_restore_bkgd_bgr8 (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_BGRX8
mng_retcode mng_restore_bkgd_bgrx8 (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_RGB565
mng_retcode mng_restore_bkgd_rgb565 (mng_datap pData);
#endif
#ifndef MNG_SKIPCANVAS_BGR565
mng_retcode mng_restore_bkgd_bgr565 (mng_datap pData);
#endif
/* ************************************************************************** */
/* * * */
/* * Row retrieval routines - retrieve processed & uncompressed row-data * */
/* * from the current "object" * */
/* * * */
/* ************************************************************************** */
mng_retcode mng_retrieve_g8 (mng_datap pData);
mng_retcode mng_retrieve_rgb8 (mng_datap pData);
mng_retcode mng_retrieve_idx8 (mng_datap pData);
mng_retcode mng_retrieve_ga8 (mng_datap pData);
mng_retcode mng_retrieve_rgba8 (mng_datap pData);
#ifndef MNG_NO_16BIT_SUPPORT
mng_retcode mng_retrieve_g16 (mng_datap pData);
mng_retcode mng_retrieve_ga16 (mng_datap pData);
mng_retcode mng_retrieve_rgb16 (mng_datap pData);
mng_retcode mng_retrieve_rgba16 (mng_datap pData);
#endif
/* ************************************************************************** */
/* * * */
/* * Row storage routines - store processed & uncompressed row-data * */
/* * into the current "object" * */
/* * * */
/* ************************************************************************** */
#ifndef MNG_NO_1_2_4BIT_SUPPORT
mng_retcode mng_store_g1 (mng_datap pData);
mng_retcode mng_store_g2 (mng_datap pData);
mng_retcode mng_store_g4 (mng_datap pData);
mng_retcode mng_store_g8 (mng_datap pData);
mng_retcode mng_store_idx1 (mng_datap pData);
mng_retcode mng_store_idx2 (mng_datap pData);
mng_retcode mng_store_idx4 (mng_datap pData);
#endif
mng_retcode mng_store_idx8 (mng_datap pData);
mng_retcode mng_store_rgb8 (mng_datap pData);
mng_retcode mng_store_ga8 (mng_datap pData);
mng_retcode mng_store_rgba8 (mng_datap pData);
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