void
complete_flatspec(struct FlattenSpec *spec, guesser guess_callback)
{
unsigned i ;
int anyPartial ;
/* Find the layers to convert.
*/
if( spec->numLayers == 0 ) {
spec->layers = XCF.layers ;
spec->numLayers = XCF.numLayers ;
} else {
for( i=0; i<spec->numLayers; i++ ) {
GimpLayerModeEffects mode ;
int opacity, hasMask ;
unsigned j ;
for( j=0; ; j++ ) {
if( j == XCF.numLayers )
FatalGeneric(22,_("The image has no layer called '%s'"),
spec->layers[i].name);
if( strcmp(spec->layers[i].name,XCF.layers[j].name) == 0 )
break ;
}
mode = spec->layers[i].mode == (GimpLayerModeEffects)-1 ?
XCF.layers[j].mode : spec->layers[i].mode ;
opacity = spec->layers[i].opacity == 9999 ?
XCF.layers[j].opacity : spec->layers[i].opacity ;
hasMask = spec->layers[i].hasMask == -1 ?
XCF.layers[j].hasMask : spec->layers[i].hasMask ;
if( hasMask && !XCF.layers[j].hasMask &&
XCF.layers[j].mask.hierarchy == 0 )
FatalGeneric(22,_("Layer '%s' has no layer mask to enable"),
spec->layers[i].name);
spec->layers[i] = XCF.layers[j] ;
spec->layers[i].mode = mode ;
spec->layers[i].opacity = opacity ;
spec->layers[i].hasMask = hasMask ;
spec->layers[i].isVisible = 1 ;
}
}
/* Force the mode of the lowest visible layer to be Normal or Dissolve.
* That may not be logical, but the Gimp does it
*/
for( i=0; i < spec->numLayers; i++ ) {
if( spec->layers[i].isVisible ) {
if( spec->layers[i].mode != GIMP_DISSOLVE_MODE )
spec->layers[i].mode = GIMP_NORMAL_MODE ;
break ;
}
}
/* Mimic the Gimp's behavior on indexed layers */
if( XCF.type == GIMP_INDEXED && spec->gimpish_indexed ) {
for( i=0; i<spec->numLayers; i++ )
if( spec->layers[i].mode != GIMP_DISSOLVE_MODE )
spec->layers[i].mode = GIMP_NORMAL_NOPARTIAL_MODE ;
} else
spec->gimpish_indexed = 0 ;
/* compute dimensions of the window */
if( spec->window_mode == AUTOCROP ) {
int first = 1 ;
for( i=0; i<spec->numLayers; i++ )
if( spec->layers[i].isVisible ) {
computeDimensions(&spec->layers[i].dim) ;
if( first ) {
spec->dim = spec->layers[i].dim ;
first = 0 ;
} else {
if( spec->dim.c.l < spec->layers[i].dim.c.l )
spec->dim.c.l = spec->layers[i].dim.c.l ;
if( spec->dim.c.r > spec->layers[i].dim.c.r )
spec->dim.c.r = spec->layers[i].dim.c.r ;
if( spec->dim.c.t < spec->layers[i].dim.c.t )
spec->dim.c.t = spec->layers[i].dim.c.t ;
if( spec->dim.c.b > spec->layers[i].dim.c.b )
spec->dim.c.b = spec->layers[i].dim.c.b ;
}
}
if( first ) {
spec->window_mode = USE_CANVAS ;
} else {
spec->dim.width = spec->dim.c.r - spec->dim.c.l ;
spec->dim.height = spec->dim.c.b - spec->dim.c.t ;
}
}
if( spec->window_mode != AUTOCROP ) {
if( (spec->window_mode & MANUAL_OFFSET) == 0 )
spec->dim.c.t = spec->dim.c.l = 0 ;
if( (spec->window_mode & MANUAL_CROP) == 0 ) {
spec->dim.height = XCF.height ;
spec->dim.width = XCF.width ;
}
}
computeDimensions(&spec->dim);
/* We can't handle negative coordinates properly, so abort rather than
* crash chaotically. See CVE-2009-217; Debian bug #533361.
*/
if( spec->dim.c.t < 0 || spec->dim.c.l < 0 ) {
FatalUnsupportedXCF("This version cannot extract pixels above or to the "
"left of the canvas");
}
/* Turn off layers that we don't hit at all */
for( i=0; i<spec->numLayers; i++ )
if( spec->layers[i].isVisible &&
disjointRects(spec->dim.c,spec->layers[i].dim.c) )
spec->layers[i].isVisible = 0 ;
/* See if there is a completely covering layer somewhere in the stack */
/* Also check if partial transparency is possible */
anyPartial = 0 ;
for( i=spec->numLayers; i-- ; ) {
if( !spec->layers[i].isVisible )
continue ;
if( typeHasTransparency(spec->layers[i].type) ) {
if( spec->layers[i].mode == GIMP_NORMAL_MODE )
anyPartial = 1;
} else if( isSubrect(spec->dim.c,spec->layers[i].dim.c) &&
(spec->layers[i].mode == GIMP_NORMAL_MODE ||
spec->layers[i].mode == GIMP_NORMAL_NOPARTIAL_MODE ||
spec->layers[i].mode == GIMP_DISSOLVE_MODE) ) {
/* This layer fills out the entire image.
* Turn off anly lower layers, and note that we cannot have
* transparency at all.
*/
while(i) spec->layers[--i].isVisible = 0 ;
if( spec->default_pixel != FORCE_ALPHA_CHANNEL )
spec->default_pixel = NEWALPHA(colormap[0],255);
anyPartial = 0 ;
break ;
}
}
if( spec->partial_transparency_mode == ALLOW_PARTIAL_TRANSPARENCY &&
(!anyPartial || ALPHA(spec->default_pixel) >= 128) )
spec->partial_transparency_mode = PARTIAL_TRANSPARENCY_IMPOSSIBLE ;
/* Initialize layers and print overview if we're verbose */
for( i=spec->numLayers; i--; )
if( spec->layers[i].isVisible ) {
initLayer(&spec->layers[i]) ;
if( verboseFlag ) {
fprintf(stderr,"%dx%d%+d%+d %s %s",
spec->layers[i].dim.width, spec->layers[i].dim.height,
spec->layers[i].dim.c.l - spec->dim.c.l,
spec->layers[i].dim.c.t - spec->dim.c.t,
_(showGimpImageType(spec->layers[i].type)),
_(showGimpLayerModeEffects(spec->layers[i].mode)));
if( spec->layers[i].opacity < 255 )
fprintf(stderr,"/%02d%%",spec->layers[i].opacity * 100 / 255);
if( XCF.layers[i].hasMask )
fprintf(stderr,_("/mask"));
fprintf(stderr," %s\n",spec->layers[i].name);
}
}
/* Resolve color mode unless we wait until we have the entire image */
if( spec->out_color_mode == COLOR_BY_CONTENTS &&
!spec->process_in_memory ) {
if( guess_callback )
spec->out_color_mode = guess_callback(spec,NULL);
if( spec->out_color_mode == COLOR_BY_CONTENTS )
spec->out_color_mode = color_by_layers(spec) ;
}
}
int
main(int argc,char **argv)
{
int i ;
int option ;
const char *unzipper = NULL ;
const char *infile = NULL ;
const char *pathSeparator = "|";
setlocale(LC_ALL,"");
progname = argv[0] ;
nls_init();
if( argc <= 1 ) gpl_blurb() ;
while( (option=getopt_long(argc,argv,"-"OPTSTRING,longopts,NULL)) >= 0 )
switch(option) {
#define OPTION(char,long,desc,man) case char:
#include "options.i"
case 1:
if( infile ) {
FatalGeneric
(20,_("Only one XCF file per command line, please"));
} else {
infile = optarg ;
break ;
}
case '?':
usage(stderr);
default:
FatalUnexpected("Getopt(_long) unexpectedly returned '%c'",option);
}
if( infile == NULL ) {
usage(stderr);
}
read_or_mmap_xcf(infile,unzipper);
getBasicXcfInfo() ;
printf(_("Version %d, %dx%d %s, %d layers, compressed %s\n"),
XCF.version,XCF.width,XCF.height,
_(showGimpImageBaseType(XCF.type)),
XCF.numLayers,
_(showXcfCompressionType(XCF.compression)));
for( i = XCF.numLayers ; i-- ; ) {
printf("%c %dx%d%+d%+d %s %s",
XCF.layers[i].isVisible ? '+' : '-',
XCF.layers[i].dim.width, XCF.layers[i].dim.height,
XCF.layers[i].dim.c.l, XCF.layers[i].dim.c.t,
_(showGimpImageType(XCF.layers[i].type)),
_(showGimpLayerModeEffects(XCF.layers[i].mode)));
if( XCF.layers[i].opacity < 255 )
printf("/%02d%%",XCF.layers[i].opacity * 100 / 255);
if( XCF.layers[i].hasMask )
printf(_("/mask"));
if( XCF.layers[i].isGroup )
printf(_("/group"));
printf( " " );
if ( XCF.version > 2 ) {
printLayerPath( i, pathSeparator );
printf( "%s", pathSeparator );
}
printf("%s\n",XCF.layers[i].name);
}
return 0 ;
}
