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text: simplify check for 32k pixel limit (#3057)

This commit is contained in:
Kleis Auke Wolthuizen 2022-09-21 20:06:49 +02:00 committed by GitHub
parent fa4b80b74b
commit e88e5f0d2a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 9 deletions
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19
libvips/create/text.c
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@ -348,6 +348,7 @@ vips_text_build( VipsObject *object )
VipsImage *image;
cairo_surface_t *surface;
cairo_t *cr;
cairo_status_t status;
if( VIPS_OBJECT_CLASS( vips_text_parent_class )->build( object ) )
return( -1 );
@ -417,15 +418,6 @@ vips_text_build( VipsObject *object )
return( -1 );
}
/* Cairo can't go over 32k pixels.
*/
if( extents.width >= 32768 ||
extents.height >= 32768 ) {
vips_error( class->nickname,
"%s", _( "text image too large" ) );
return( -1 );
}
image = t[0] = vips_image_new_memory();
vips_image_init_fields( image,
extents.width, extents.height, 4,
@ -444,6 +436,15 @@ vips_text_build( VipsObject *object )
CAIRO_FORMAT_ARGB32,
image->Xsize, image->Ysize,
VIPS_IMAGE_SIZEOF_LINE( image ) );
status = cairo_surface_status( surface );
if( status ) {
cairo_surface_destroy( surface );
vips_error( class->nickname,
"%s", cairo_status_to_string( status ) );
return( -1 );
}
cr = cairo_create( surface );
cairo_surface_destroy( surface );