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[project @ 2005-04-29 10:47:35 by rjw]

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Updated Tinct headers

svn path=/import/netsurf/; revision=1702
This commit is contained in:
Richard Wilson 2005-04-29 10:47:35 +00:00
parent 044a3a3f74
commit 404b580721
1 changed files with 92 additions and 19 deletions
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111
riscos/tinct.h
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@ -2,48 +2,120 @@
* This file is part of NetSurf, http://netsurf.sourceforge.net/
* Licensed under the GNU General Public License,
* http://www.opensource.org/licenses/gpl-license
* Copyright 2004 Richard Wilson <not_ginger_matt@hotmail.com>
* Copyright 2005 Richard Wilson <info@tinct.net>
*
* Complete details on using Tinct are available from http://www.tinct.net.
*/
/** \file
* Tinct SWI numbers and flags for version 0.06
* Tinct SWI numbers and flags for version 0.11
*/
#ifndef _NETSURF_RISCOS_TINCT_H_
#define _NETSURF_RISCOS_TINCT_H_
/* Tinct_PlotAlpha plots the RGBA sprite pointed to by R2 at the OS screen location (R3,R4). Flags are
supplied in R7.
/**
* Plots an alpha-blended sprite at the specified coordinates.
*
* -> R2 Sprite pointer
* R3 X coordinate
* R4 Y coordinate
* R7 Flag word
*/
#define Tinct_PlotAlpha 0x57240
/* Tinct_PlotScaledAlpha plots the RGBA sprite pointed to by R2 at the OS screen location (R3,R4)
scaled to (R5,R6) OS units. Flags are supplied in R7.
*/
/**
* Plots a scaled alpha-blended sprite at the specified coordinates.
*
* -> R2 Sprite pointer
* R3 X coordinate
* R4 Y coordinate
* R5 Scaled sprite width
* R6 Scaled sprite height
* R7 Flag word
*/
#define Tinct_PlotScaledAlpha 0x57241
/* Tinct_PlotAlpha plots the RGB0 sprite pointed to by R2 at the OS screen location (R3,R4). Flags are
supplied in R7.
*/
/**
* Plots a sprite at the specified coordinates with a constant 0xff value for
* the alpha channel, ie without a mask.
*
* -> R2 Sprite pointer
* R3 X coordinate
* R4 Y coordinate
* R7 Flag word
*/
#define Tinct_Plot 0x57242
/* Tinct_PlotScaledAlpha plots the RGB0 sprite pointed to by R2 at the OS screen location (R3,R4)
scaled to (R5,R6) OS units. Flags are supplied in R7.
*/
/**
* Plots a scaled sprite at the specified coordinates with a constant 0xff value
* for the alpha channel, ie without a mask.
*
* -> R2 Sprite pointer
* R3 X coordinate
* R4 Y coordinate
* R5 Scaled sprite width
* R6 Scaled sprite height
* R7 Flag word
*/
#define Tinct_PlotScaled 0x57243
/* Tinct_ConvertSprite creates a 32bpp sprite (pointer to memory supplied in R3) from a paletted sprite
provided in R2.
*/
/**
* Converts a paletted sprite into its 32bpp equivalent. Sufficient memory must
* have previously been allocated for the sprite (44 + width * height * 4).
* As sprites with 16bpp or 32bpp do not have palettes, conversion cannot be
* performed on these variants. All sprites must be supplied with a full palette,
* eg 8bpp must have 256 palette entries.
*
* -> R2 Source sprite pointer
* R3 Destination sprite pointer
*/
#define Tinct_ConvertSprite 0x57244
/* Tinct_AvailableFeatures returns the current feature set.
*/
/**
* Returns the features available to the caller by specifying bits in the flag
* word. The features available are unique for each mode, although the current
* version of Tinct supports the same subset of features for all modes.
*
* -> R0 Feature to test for, or 0 for all features
* <- R0 Features available
*/
#define Tinct_AvailableFeatures 0x57245
/* Flags
/**
* Compresses an image using a fast algorithm. Sufficient memory must have been
* previously allocated for the maximum possible compressed size. This value is
* equal to 28 + (width * height * 4) * 33 / 32.
*
* -> R0 Source sprite pointer
* R2 Output data buffer
* R3 Output bytes available
* R7 Flag word (currently 0)
* <- R0 Size of compressed data
*/
#define Tinct_Compress 0x57246
/**
* Decompresses an image previously compressed. Sufficient memory must have been
* previously allocated for the decompressed data (44 + width * height * 4) where
* width and height are available at +0 and +4 of the compressed data respectively.
*
* -> R0 Input data buffer
* R2 Output data buffer
* R7 Flag word (currently 0)
* <- R0 Size of decompressed data
*/
#define Tinct_Decompress 0x57247
/* Plotting flags
*/
#define tinct_READ_SCREEN_BASE 0x01 /** <-- Use when hardware scrolling */
#define tinct_BILINEAR_FILTER 0x02 /** <-- Perform bi-linear filtering */
@ -62,4 +134,5 @@
/* Sprite mode
*/
#define tinct_SPRITE_MODE (os_mode)0x301680b5
#endif