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faster and simpler magickload 

but tests are failing now
This commit is contained in:
John Cupitt 2016-07-08 22:38:14 +01:00
parent a5d9cf204c
commit 5fae93bc61
2 changed files with 34 additions and 59 deletions
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2
libvips/foreign/foreign.c
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@ -1656,6 +1656,8 @@ vips_foreign_operation_init( void )
extern GType vips_foreign_save_raw_fd_get_type( void );
extern GType vips_foreign_load_magick_file_get_type( void );
extern GType vips_foreign_load_magick_buffer_get_type( void );
extern GType vips_foreign_load_magick7_file_get_type( void );
extern GType vips_foreign_load_magick7_buffer_get_type( void );
extern GType vips_foreign_save_dz_get_type( void );
extern GType vips_foreign_load_webp_file_get_type( void );
extern GType vips_foreign_load_webp_buffer_get_type( void );

91
libvips/foreign/magick7load.c
View File

@ -407,58 +407,11 @@ vips_foreign_load_magick7_parse( VipsForeignLoadMagick7 *magick7,
return( 0 );
}
static void
vips_foreign_load_magick7_unpack( VipsForeignLoadMagick7 *magick7,
VipsImage *im, VipsPel *q, Quantum *p, int n )
{
const int ps = VIPS_IMAGE_SIZEOF_PEL( im );
int x, b;
for( x = 0; x < n; x++ ) {
if( !GetPixelReadMask( magick7->image, p ) ) {
p += im->Bands;
q += ps;
continue;
}
for( b = 0; b < im->Bands; b++ ) {
PixelChannel channel =
GetPixelChannelChannel( magick7->image, b );
PixelTrait traits =
GetPixelChannelTraits( magick7->image, channel );
if( !(traits & UpdatePixelTrait) ) {
printf( "vips_foreign_load_magick7_unpack: "
"traits = %d\n", traits );
continue;
}
switch( im->BandFmt ) {
case VIPS_FORMAT_UCHAR:
((unsigned char *) q)[b] = p[b];
break;
case VIPS_FORMAT_USHORT:
((unsigned short *) q)[b] = p[b];
break;
case VIPS_FORMAT_FLOAT:
((float *) q)[b] = p[b];
break;
case VIPS_FORMAT_DOUBLE:
((double *) q)[b] = p[b];
break;
default:
g_assert_not_reached();
}
}
p += im->Bands;
q += ps;
}
#define UNPACK( TYPE ) { \
TYPE *tq = (TYPE *) q; \
\
for( x = 0; x < ne; x++ ) \
tq[x] = p[x]; \
}
static int
@ -468,30 +421,50 @@ vips_foreign_load_magick7_fill_region( VipsRegion *or,
VipsForeignLoadMagick7 *magick7 = (VipsForeignLoadMagick7 *) a;
VipsRect *r = &or->valid;
VipsImage *im = or->im;
const int ne = r->width * im->Bands;
int y;
int x, y;
for( y = 0; y < r->height; y++ ) {
int top = r->top + y;
int frame = top / magick7->frame_height;
int line = top % magick7->frame_height;
Quantum *pixels;
Quantum *p;
VipsPel *q;
g_mutex_lock( magick7->lock );
pixels = GetCacheViewAuthenticPixels( magick7->cache_view[frame],
p = GetCacheViewAuthenticPixels( magick7->cache_view[frame],
r->left, line, r->width, 1,
magick7->exception );
g_mutex_unlock( magick7->lock );
q = VIPS_REGION_ADDR( or, r->left, top );
if( !pixels ) {
if( !p ) {
vips_foreign_load_magick7_error( magick7 );
return( -1 );
}
vips_foreign_load_magick7_unpack( magick7, im,
VIPS_REGION_ADDR( or, r->left, top ), pixels,
r->width );
switch( im->BandFmt ) {
case VIPS_FORMAT_UCHAR:
UNPACK( unsigned char );
break;
case VIPS_FORMAT_USHORT:
UNPACK( unsigned short );
break;
case VIPS_FORMAT_FLOAT:
UNPACK( float );
break;
case VIPS_FORMAT_DOUBLE:
UNPACK( double );
break;
default:
g_assert_not_reached();
}
}
return( 0 );