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[pnm] Add support for PNM images

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2013-11-26 16:29:30 +00:00
parent 09f31e9fc4
commit 0ee89338dd
7 changed files with 803 additions and 0 deletions

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@ -194,6 +194,9 @@ REQUIRE_OBJECT ( efi_image );
#ifdef IMAGE_SDI
REQUIRE_OBJECT ( sdi );
#endif
#ifdef IMAGE_PNM
REQUIRE_OBJECT ( pnm );
#endif
/*
* Drag in all requested commands

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@ -103,6 +103,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
//#define IMAGE_COMBOOT /* SYSLINUX COMBOOT image support */
//#define IMAGE_EFI /* EFI image support */
//#define IMAGE_SDI /* SDI image support */
//#define IMAGE_PNM /* PNM image support */
/*
* Command-line commands to include

415
src/image/pnm.c Normal file
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@ -0,0 +1,415 @@
/*
* Copyright (C) 2013 Michael Brown <mbrown@fensystems.co.uk>.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
FILE_LICENCE ( GPL2_OR_LATER );
/** @file
*
* Portable anymap format (PNM)
*
*/
#include <stdlib.h>
#include <errno.h>
#include <ctype.h>
#include <ipxe/image.h>
#include <ipxe/pixbuf.h>
#include <ipxe/pnm.h>
/**
* Extract PNM ASCII value
*
* @v image PNM image
* @v pnm PNM context
* @ret value Value, or negative error
*/
static int pnm_ascii ( struct image *image, struct pnm_context *pnm ) {
char buf[ pnm->ascii_len + 1 /* NUL */ ];
char *endp;
size_t len;
int value;
int in_comment = 0;
/* Skip any leading whitespace and comments */
for ( ; pnm->offset < image->len ; pnm->offset++ ) {
copy_from_user ( &buf[0], image->data, pnm->offset,
sizeof ( buf[0] ) );
if ( in_comment ) {
if ( buf[0] == '\n' )
in_comment = 0;
} else {
if ( buf[0] == '#' ) {
in_comment = 1;
} else if ( ! isspace ( buf[0] ) ) {
break;
}
}
}
/* Fail if no value is present */
len = ( image->len - pnm->offset );
if ( len == 0 ) {
DBGC ( image, "PNM %s ran out of ASCII data\n", image->name );
return -EINVAL;
}
/* Copy ASCII value to buffer and ensure string is NUL-terminated */
if ( len > ( sizeof ( buf ) - 1 /* NUL */ ) )
len = ( sizeof ( buf ) - 1 /* NUL */ );
copy_from_user ( buf, image->data, pnm->offset, len );
buf[len] = '\0';
/* Parse value and update offset */
value = strtoul ( buf, &endp, 0 );
pnm->offset += ( endp - buf );
/* Check and skip terminating whitespace character, if present */
if ( ( pnm->offset != image->len ) && ( *endp != '\0' ) ) {
if ( ! isspace ( *endp ) ) {
DBGC ( image, "PNM %s invalid ASCII integer\n",
image->name );
return -EINVAL;
}
pnm->offset++;
}
return value;
}
/**
* Extract PNM binary value
*
* @v image PNM image
* @v pnm PNM context
* @ret value Value, or negative error
*/
static int pnm_binary ( struct image *image, struct pnm_context *pnm ) {
uint8_t value;
/* Sanity check */
if ( pnm->offset == image->len ) {
DBGC ( image, "PNM %s ran out of binary data\n",
image->name );
return -EINVAL;
}
/* Extract value */
copy_from_user ( &value, image->data, pnm->offset, sizeof ( value ) );
pnm->offset++;
return value;
}
/**
* Scale PNM scalar value
*
* @v image PNM image
* @v pnm PNM context
* @v value Raw value
* @ret value Scaled value (in range 0-255)
*/
static int pnm_scale ( struct image *image, struct pnm_context *pnm,
unsigned int value ) {
if ( value > pnm->max ) {
DBGC ( image, "PNM %s has out-of-range value %d (max %d)\n",
image->name, value, pnm->max );
return -EINVAL;
}
return ( ( 255 * value ) / pnm->max );
}
/**
* Convert PNM bitmap composite value to RGB
*
* @v composite Composite value
* @v index Pixel index within this composite value
* @ret rgb 24-bit RGB value
*/
static uint32_t pnm_bitmap ( uint32_t composite, unsigned int index ) {
/* Composite value is an 8-bit bitmask */
return ( ( ( composite << index ) & 0x80 ) ? 0x000000 : 0xffffff );
}
/**
* Convert PNM greymap composite value to RGB
*
* @v composite Composite value
* @v index Pixel index within this composite value
* @ret rgb 24-bit RGB value
*/
static uint32_t pnm_greymap ( uint32_t composite, unsigned int index __unused ){
/* Composite value is an 8-bit greyscale value */
return ( ( composite << 16 ) | ( composite << 8 ) | composite );
}
/**
* Convert PNM pixmap composite value to RGB
*
* @v composite Composite value
* @v index Pixel index within this composite value
* @ret rgb 24-bit RGB value
*/
static uint32_t pnm_pixmap ( uint32_t composite, unsigned int index __unused ) {
/* Composite value is already an RGB value */
return composite;
}
/**
* Extract PNM pixel data
*
* @v image PNM image
* @v pnm PNM context
* @v pixbuf Pixel buffer
* @ret rc Return status code
*/
static int pnm_data ( struct image *image, struct pnm_context *pnm,
struct pixel_buffer *pixbuf ) {
struct pnm_type *type = pnm->type;
size_t offset = 0;
unsigned int xpos = 0;
int scalar;
uint32_t composite;
uint32_t rgb;
unsigned int i;
/* Fill pixel buffer */
while ( offset < pixbuf->len ) {
/* Extract a scaled composite scalar value from the file */
composite = 0;
for ( i = 0 ; i < type->depth ; i++ ) {
scalar = type->scalar ( image, pnm );
if ( scalar < 0 )
return scalar;
scalar = pnm_scale ( image, pnm, scalar );
if ( scalar < 0 )
return scalar;
composite = ( ( composite << 8 ) | scalar );
}
/* Extract 24-bit RGB values from composite value */
for ( i = 0 ; i < type->packing ; i++ ) {
if ( offset >= pixbuf->len ) {
DBGC ( image, "PNM %s has too many pixels\n",
image->name );
return -EINVAL;
}
rgb = type->rgb ( composite, i );
copy_to_user ( pixbuf->data, offset, &rgb,
sizeof ( rgb ) );
offset += sizeof ( rgb );
if ( ++xpos == pixbuf->width ) {
xpos = 0;
break;
}
}
}
return 0;
}
/** PNM image types */
static struct pnm_type pnm_types[] = {
{
.type = '1',
.depth = 1,
.packing = 1,
.flags = PNM_BITMAP,
.scalar = pnm_ascii,
.rgb = pnm_bitmap,
},
{
.type = '2',
.depth = 1,
.packing = 1,
.scalar = pnm_ascii,
.rgb = pnm_greymap,
},
{
.type = '3',
.depth = 3,
.packing = 1,
.scalar = pnm_ascii,
.rgb = pnm_pixmap,
},
{
.type = '4',
.depth = 1,
.packing = 8,
.flags = PNM_BITMAP,
.scalar = pnm_binary,
.rgb = pnm_bitmap,
},
{
.type = '5',
.depth = 1,
.packing = 1,
.scalar = pnm_binary,
.rgb = pnm_greymap,
},
{
.type = '6',
.depth = 3,
.packing = 1,
.scalar = pnm_binary,
.rgb = pnm_pixmap,
},
};
/**
* Determine PNM image type
*
* @v image PNM image
* @ret type PNM image type, or NULL if not found
*/
static struct pnm_type * pnm_type ( struct image *image ) {
struct pnm_signature signature;
struct pnm_type *type;
unsigned int i;
/* Extract signature */
assert ( image->len >= sizeof ( signature ) );
copy_from_user ( &signature, image->data, 0, sizeof ( signature ) );
/* Check for supported types */
for ( i = 0 ; i < ( sizeof ( pnm_types ) /
sizeof ( pnm_types[0] ) ) ; i++ ) {
type = &pnm_types[i];
if ( type->type == signature.type )
return type;
}
return NULL;
}
/**
* Convert PNM image to pixel buffer
*
* @v image PNM image
* @v pixbuf Pixel buffer to fill in
* @ret rc Return status code
*/
static int pnm_pixbuf ( struct image *image, struct pixel_buffer **pixbuf ) {
struct pnm_context pnm;
int width;
int height;
int max;
int rc;
/* Initialise PNM context */
pnm.type = pnm_type ( image );
if ( ! pnm.type ) {
rc = -ENOTSUP;
goto err_type;
}
pnm.offset = sizeof ( struct pnm_signature );
pnm.ascii_len = PNM_ASCII_LEN;
/* Extract width */
if ( ( width = pnm_ascii ( image, &pnm ) ) < 0 ) {
rc = width;
goto err_width;
}
/* Extract height */
if ( ( height = pnm_ascii ( image, &pnm ) ) < 0 ) {
rc = height;
goto err_height;
}
/* Extract maximum scalar value, if not predefined */
if ( pnm.type->flags & PNM_BITMAP ) {
pnm.max = ( ( 1 << pnm.type->packing ) - 1 );
pnm.ascii_len = 1;
} else {
if ( ( max = pnm_ascii ( image, &pnm ) ) < 0 ) {
rc = max;
goto err_max;
}
pnm.max = max;
}
if ( pnm.max == 0 ) {
DBGC ( image, "PNM %s has invalid maximum value 0\n",
image->name );
rc = -EINVAL;
goto err_max;
}
DBGC ( image, "PNM %s is type %c width %d height %d max %d\n",
image->name, pnm.type->type, width, height, pnm.max );
/* Allocate pixel buffer */
*pixbuf = alloc_pixbuf ( width, height );
if ( ! *pixbuf ) {
rc = -ENOMEM;
goto err_alloc_pixbuf;
}
/* Extract pixel data */
if ( ( rc = pnm_data ( image, &pnm, *pixbuf ) ) != 0 )
goto err_data;
return 0;
err_data:
pixbuf_put ( *pixbuf );
err_alloc_pixbuf:
err_max:
err_height:
err_width:
err_type:
return rc;
}
/**
* Probe PNM image
*
* @v image PNM image
* @ret rc Return status code
*/
static int pnm_probe ( struct image *image ) {
struct pnm_signature signature;
/* Sanity check */
if ( image->len < sizeof ( signature ) ) {
DBGC ( image, "PNM %s is too short\n", image->name );
return -ENOEXEC;
}
/* Check signature */
copy_from_user ( &signature, image->data, 0, sizeof ( signature ) );
if ( ! ( ( signature.magic == PNM_MAGIC ) &&
( isdigit ( signature.type ) ) &&
( isspace ( signature.space ) ) ) ) {
DBGC ( image, "PNM %s has invalid signature\n", image->name );
return -ENOEXEC;
}
DBGC ( image, "PNM %s is type %c\n", image->name, signature.type );
return 0;
}
/** PNM image type */
struct image_type pnm_image_type __image_type ( PROBE_NORMAL ) = {
.name = "PNM",
.probe = pnm_probe,
.pixbuf = pnm_pixbuf,
};

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@ -227,6 +227,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
#define ERRFILE_segment ( ERRFILE_IMAGE | 0x00030000 )
#define ERRFILE_efi_image ( ERRFILE_IMAGE | 0x00040000 )
#define ERRFILE_embedded ( ERRFILE_IMAGE | 0x00050000 )
#define ERRFILE_pnm ( ERRFILE_IMAGE | 0x00060000 )
#define ERRFILE_asn1 ( ERRFILE_OTHER | 0x00000000 )
#define ERRFILE_chap ( ERRFILE_OTHER | 0x00010000 )

86
src/include/ipxe/pnm.h Normal file
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@ -0,0 +1,86 @@
#ifndef _IPXE_PNM_H
#define _IPXE_PNM_H
/** @file
*
* Portable anymap format (PNM)
*
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <stdint.h>
#include <ipxe/uaccess.h>
#include <ipxe/image.h>
/** PNM signature */
struct pnm_signature {
/** Magic byte ('P') */
char magic;
/** PNM type */
char type;
/** Whitespace */
char space;
} __attribute__ (( packed ));
/** PNM magic byte */
#define PNM_MAGIC 'P'
/** PNM context */
struct pnm_context {
/** PNM type */
struct pnm_type *type;
/** Current byte offset */
size_t offset;
/** Maximum length of ASCII values */
size_t ascii_len;
/** Maximum pixel value */
unsigned int max;
};
/** Default maximum length of ASCII values */
#define PNM_ASCII_LEN 16
/** PNM type */
struct pnm_type {
/** PNM type */
char type;
/** Number of scalar values per pixel */
uint8_t depth;
/** Number of pixels per composite value */
uint8_t packing;
/** Flags */
uint8_t flags;
/** Extract scalar value
*
* @v image PNM image
* @v pnm PNM context
* @ret value Value, or negative error
*/
int ( * scalar ) ( struct image *image, struct pnm_context *pnm );
/** Convert composite value to 24-bit RGB
*
* @v composite Composite value
* @v index Pixel index within this composite value
* @ret rgb 24-bit RGB value
*/
uint32_t ( * rgb ) ( uint32_t composite, unsigned int index );
};
/** PNM flags */
enum pnm_flags {
/** Bitmap format
*
* If set, this flag indicates that:
*
* - the maximum scalar value is predefined as being equal to
* (2^packing-1), and is not present within the file, and
*
* - the maximum length of ASCII values is 1.
*/
PNM_BITMAP = 0x01,
};
extern struct image_type pnm_image_type __image_type ( PROBE_NORMAL );
#endif /* _IPXE_PNM_H */

296
src/tests/pnm_test.c Normal file
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@ -0,0 +1,296 @@
/*
* Copyright (C) 2013 Michael Brown <mbrown@fensystems.co.uk>.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
FILE_LICENCE ( GPL2_OR_LATER );
/** @file
*
* PNM self-tests
*
*/
/* Forcibly enable assertions */
#undef NDEBUG
#include <string.h>
#include <assert.h>
#include <ipxe/pixbuf.h>
#include <ipxe/pnm.h>
#include <ipxe/test.h>
/** Define inline pixel data */
#define DATA(...) { __VA_ARGS__ }
/** A PNM test */
struct pnm_test {
/** Source image */
struct image *image;
/** Pixel data */
const uint32_t *data;
/** Length of pixel data */
size_t len;
/** Width */
unsigned int width;
/** Height */
unsigned int height;
};
/** Define a PNM test */
#define PNM( NAME, FILE, WIDTH, HEIGHT, DATA ) \
static const char NAME ## _file[] = FILE; \
static const uint32_t NAME ## _data[] = DATA; \
static struct image NAME ## _image = { \
.refcnt = REF_INIT ( ref_no_free ), \
.name = #NAME, \
.data = ( userptr_t ) ( NAME ## _file ), \
.len = sizeof ( NAME ## _file ), \
}; \
static struct pnm_test NAME = { \
.image = & NAME ## _image, \
.data = NAME ## _data, \
.len = sizeof ( NAME ## _data ), \
.width = WIDTH, \
.height = HEIGHT, \
};
/** PBM ASCII example (from Wikipedia) */
PNM ( pbm_ascii,
"P1\n"
"# This is an example bitmap of the letter \"J\"\n"
"6 10\n"
"0 0 0 0 1 0\n"
"0 0 0 0 1 0\n"
"0 0 0 0 1 0\n"
"0 0 0 0 1 0\n"
"0 0 0 0 1 0\n"
"0 0 0 0 1 0\n"
"1 0 0 0 1 0\n"
"0 1 1 1 0 0\n"
"0 0 0 0 0 0\n"
"0 0 0 0 0 0\n",
6, 10,
DATA ( 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0x000000, 0xffffff,
0xffffff, 0xffffff, 0xffffff, 0xffffff, 0x000000, 0xffffff,
0xffffff, 0xffffff, 0xffffff, 0xffffff, 0x000000, 0xffffff,
0xffffff, 0xffffff, 0xffffff, 0xffffff, 0x000000, 0xffffff,
0xffffff, 0xffffff, 0xffffff, 0xffffff, 0x000000, 0xffffff,
0xffffff, 0xffffff, 0xffffff, 0xffffff, 0x000000, 0xffffff,
0x000000, 0xffffff, 0xffffff, 0xffffff, 0x000000, 0xffffff,
0xffffff, 0x000000, 0x000000, 0x000000, 0xffffff, 0xffffff,
0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff,
0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff ) );
/** PGM ASCII example (from Wikipedia) */
PNM ( pgm_ascii,
"P2\n"
"# Shows the word \"FEEP\" (example from Netpbm man page on PGM)\n"
"24 7\n"
"15\n"
"0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
"0 3 3 3 3 0 0 7 7 7 7 0 0 11 11 11 11 0 0 15 15 15 15 0\n"
"0 3 0 0 0 0 0 7 0 0 0 0 0 11 0 0 0 0 0 15 0 0 15 0\n"
"0 3 3 3 0 0 0 7 7 7 0 0 0 11 11 11 0 0 0 15 15 15 15 0\n"
"0 3 0 0 0 0 0 7 0 0 0 0 0 11 0 0 0 0 0 15 0 0 0 0\n"
"0 3 0 0 0 0 0 7 7 7 7 0 0 11 11 11 11 0 0 15 0 0 0 0\n"
"0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
, 24, 7,
DATA ( 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x333333, 0x333333, 0x333333, 0x333333, 0x000000,
0x000000, 0x777777, 0x777777, 0x777777, 0x777777, 0x000000,
0x000000, 0xbbbbbb, 0xbbbbbb, 0xbbbbbb, 0xbbbbbb, 0x000000,
0x000000, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0x000000,
0x000000, 0x333333, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x777777, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0xbbbbbb, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0xffffff, 0x000000, 0x000000, 0xffffff, 0x000000,
0x000000, 0x333333, 0x333333, 0x333333, 0x000000, 0x000000,
0x000000, 0x777777, 0x777777, 0x777777, 0x000000, 0x000000,
0x000000, 0xbbbbbb, 0xbbbbbb, 0xbbbbbb, 0x000000, 0x000000,
0x000000, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0x000000,
0x000000, 0x333333, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x777777, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0xbbbbbb, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0xffffff, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x333333, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x777777, 0x777777, 0x777777, 0x777777, 0x000000,
0x000000, 0xbbbbbb, 0xbbbbbb, 0xbbbbbb, 0xbbbbbb, 0x000000,
0x000000, 0xffffff, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000 ) );
/** PPM ASCII example (from Wikipedia) */
PNM ( ppm_ascii,
"P3\n"
"# The P3 means colors are in ASCII, then 3 columns and 2 rows,\n"
"# then 255 for max color, then RGB triplets\n"
"3 2\n"
"255\n"
"255 0 0 0 255 0 0 0 255\n"
"255 255 0 255 255 255 0 0 0\n",
3, 2,
DATA ( 0xff0000, 0x00ff00, 0x0000ff, 0xffff00, 0xffffff, 0x000000 ) );
/** PBM ASCII with no space between pixel values */
PNM ( pbm_ascii_no_space,
"P1\n"
"3 3\n"
"001\n"
"010\n"
"111\n",
3, 3,
DATA ( 0xffffff, 0xffffff, 0x000000, 0xffffff, 0x000000, 0xffffff,
0x000000, 0x000000, 0x000000 ) );
/** PBM binary example (converted from Wikipedia) */
PNM ( pbm_binary,
DATA ( 0x50, 0x34, 0x0a, 0x23, 0x20, 0x43, 0x52, 0x45, 0x41, 0x54, 0x4f,
0x52, 0x3a, 0x20, 0x47, 0x49, 0x4d, 0x50, 0x20, 0x50, 0x4e, 0x4d,
0x20, 0x46, 0x69, 0x6c, 0x74, 0x65, 0x72, 0x20, 0x56, 0x65, 0x72,
0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31, 0x2e, 0x31, 0x0a, 0x36, 0x20,
0x31, 0x30, 0x0a, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x88, 0x70,
0x00, 0x00 ),
6, 10,
DATA ( 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0x000000, 0xffffff,
0xffffff, 0xffffff, 0xffffff, 0xffffff, 0x000000, 0xffffff,
0xffffff, 0xffffff, 0xffffff, 0xffffff, 0x000000, 0xffffff,
0xffffff, 0xffffff, 0xffffff, 0xffffff, 0x000000, 0xffffff,
0xffffff, 0xffffff, 0xffffff, 0xffffff, 0x000000, 0xffffff,
0xffffff, 0xffffff, 0xffffff, 0xffffff, 0x000000, 0xffffff,
0x000000, 0xffffff, 0xffffff, 0xffffff, 0x000000, 0xffffff,
0xffffff, 0x000000, 0x000000, 0x000000, 0xffffff, 0xffffff,
0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff,
0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff ) );
/** PGM binary example (converted from Wikipedia) */
PNM ( pgm_binary,
DATA ( 0x50, 0x35, 0x0a, 0x32, 0x34, 0x20, 0x37, 0x0a, 0x31, 0x35, 0x0a,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x03, 0x03, 0x03, 0x03, 0x00, 0x00, 0x07, 0x07,
0x07, 0x07, 0x00, 0x00, 0x0b, 0x0b, 0x0b, 0x0b, 0x00, 0x00, 0x0f,
0x0f, 0x0f, 0x0f, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00,
0x00, 0x0f, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x03, 0x03, 0x03, 0x00,
0x00, 0x00, 0x07, 0x07, 0x07, 0x00, 0x00, 0x00, 0x0b, 0x0b, 0x0b,
0x00, 0x00, 0x00, 0x0f, 0x0f, 0x0f, 0x0f, 0x00, 0x00, 0x03, 0x00,
0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b,
0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00,
0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x07, 0x07, 0x07, 0x00,
0x00, 0x0b, 0x0b, 0x0b, 0x0b, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00 ),
24, 7,
DATA ( 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x333333, 0x333333, 0x333333, 0x333333, 0x000000,
0x000000, 0x777777, 0x777777, 0x777777, 0x777777, 0x000000,
0x000000, 0xbbbbbb, 0xbbbbbb, 0xbbbbbb, 0xbbbbbb, 0x000000,
0x000000, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0x000000,
0x000000, 0x333333, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x777777, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0xbbbbbb, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0xffffff, 0x000000, 0x000000, 0xffffff, 0x000000,
0x000000, 0x333333, 0x333333, 0x333333, 0x000000, 0x000000,
0x000000, 0x777777, 0x777777, 0x777777, 0x000000, 0x000000,
0x000000, 0xbbbbbb, 0xbbbbbb, 0xbbbbbb, 0x000000, 0x000000,
0x000000, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0x000000,
0x000000, 0x333333, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x777777, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0xbbbbbb, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0xffffff, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x333333, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x777777, 0x777777, 0x777777, 0x777777, 0x000000,
0x000000, 0xbbbbbb, 0xbbbbbb, 0xbbbbbb, 0xbbbbbb, 0x000000,
0x000000, 0xffffff, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000 ) );
/** PPM binary example (converted from Wikipedia) */
PNM ( ppm_binary,
DATA ( 0x50, 0x36, 0x0a, 0x33, 0x20, 0x32, 0x0a, 0x32, 0x35, 0x35, 0x0a,
0xff, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff,
0x00, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00 ),
3, 2,
DATA ( 0xff0000, 0x00ff00, 0x0000ff, 0xffff00, 0xffffff, 0x000000 ) );
/**
* Report PNM test result
*
* @v test PNM test
*/
#define pnm_ok( test ) do { \
struct pixel_buffer *pixbuf; \
uint8_t data[ (test)->len ]; \
int rc; \
\
/* Sanity check */ \
assert ( ( (test)->width * (test)->height * \
sizeof ( (test)->data[0] ) ) == (test)->len ); \
\
/* Correct image data pointer */ \
(test)->image->data = \
virt_to_user ( ( void * ) (test)->image->data ); \
\
/* Perform tests */ \
ok ( image_probe ( (test)->image ) == 0 ); \
ok ( (test)->image->type == &pnm_image_type ); \
ok ( ( rc = image_pixbuf ( (test)->image, &pixbuf ) ) == 0 ); \
if ( rc == 0 ) { \
ok ( pixbuf->width == (test)->width ); \
ok ( pixbuf->height == (test)->height ); \
ok ( pixbuf->len == (test)->len ); \
copy_from_user ( data, pixbuf->data, 0, \
sizeof ( data ) ); \
ok ( memcmp ( data, (test)->data, \
sizeof ( data ) ) == 0 ); \
DBGC_HDA ( (test)->image, 0, data, sizeof ( data ) ); \
pixbuf_put ( pixbuf ); \
} \
} while ( 0 )
/**
* Perform PNM self-test
*
*/
static void pnm_test_exec ( void ) {
pnm_ok ( &pbm_ascii );
pnm_ok ( &pgm_ascii );
pnm_ok ( &ppm_ascii );
pnm_ok ( &pbm_ascii_no_space );
pnm_ok ( &pbm_binary );
pnm_ok ( &pgm_binary );
pnm_ok ( &ppm_binary );
}
/** PNM self-test */
struct self_test pnm_test __self_test = {
.name = "pnm",
.exec = pnm_test_exec,
};

View File

@ -49,3 +49,4 @@ REQUIRE_OBJECT ( rsa_test );
REQUIRE_OBJECT ( x509_test );
REQUIRE_OBJECT ( ocsp_test );
REQUIRE_OBJECT ( cms_test );
REQUIRE_OBJECT ( pnm_test );