86 lines
1.6 KiB
C
86 lines
1.6 KiB
C
/*
|
|
* Copyright (c) 1993-1995 Argonaut Technologies Limited. All rights reserved.
|
|
*
|
|
* $Id: pmmem.h 1.1 1997/12/10 16:41:27 jon Exp $
|
|
* $Locker: $
|
|
*
|
|
* Private memory pixelmap structure
|
|
*/
|
|
#ifndef _PMMEM_H_
|
|
#define _PMMEM_H_
|
|
|
|
/*
|
|
* Private state of memory pixelmap
|
|
*/
|
|
typedef struct br_device_pixelmap {
|
|
/*
|
|
* Dispatch table
|
|
*/
|
|
struct br_device_pixelmap_dispatch *dispatch;
|
|
|
|
/*
|
|
* Standard pixelmap members
|
|
*/
|
|
char *pm_identifier;
|
|
|
|
BR_PIXELMAP_MEMBERS
|
|
|
|
} br_device_pixelmap;
|
|
|
|
|
|
/*
|
|
* Useful info about each pixelmap type
|
|
*/
|
|
struct pm_type_info {
|
|
/*
|
|
* Size, in bits, of each pixel (including padding)
|
|
*/
|
|
br_uint_16 bits;
|
|
|
|
/*
|
|
* Size, in bytes, that should be used for saving/loading
|
|
*/
|
|
br_uint_16 file_size;
|
|
|
|
/*
|
|
* Alignment of rows, in pixels
|
|
*/
|
|
br_uint_16 align;
|
|
|
|
/*
|
|
* Mask of channels in pixelmap
|
|
*/
|
|
br_uint_16 channels;
|
|
|
|
};
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
extern const struct pm_type_info pmTypeInfo[];
|
|
|
|
#ifdef __cplusplus
|
|
};
|
|
#endif
|
|
|
|
|
|
#define DevicePixelmapPixelBytes(pm) \
|
|
(pmTypeInfo[((br_device_pixelmap *)(pm))->pm_type].bits >> 3)
|
|
|
|
#define DevicePixelmapPixelBits(pm) \
|
|
(pmTypeInfo[((br_device_pixelmap *)(pm))->pm_type].bits)
|
|
|
|
#define DevicePixelmapFileBytes(pm) \
|
|
(pmTypeInfo[((br_device_pixelmap *)(pm))->pm_type].file_size)
|
|
|
|
#define DevicePixelmapChannels(pm) \
|
|
(pmTypeInfo[((br_device_pixelmap *)(pm))->pm_type].channels)
|
|
|
|
#define DevicePixelmapMemAddress(pm,x,y,bpp) \
|
|
((char *)(((br_device_pixelmap *)(pm))->pm_pixels)+\
|
|
(((br_device_pixelmap *)(pm))->pm_base_y+(y))*((br_device_pixelmap *)(pm))->pm_row_bytes+\
|
|
(((br_device_pixelmap *)(pm))->pm_base_x+(x)) * (bpp))
|
|
|
|
#endif
|
|
|