65 lines
1.7 KiB
Ruby
65 lines
1.7 KiB
Ruby
class Zbar < Formula
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desc "Suite of barcodes-reading tools"
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homepage "http://zbar.sourceforge.net"
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url "https://downloads.sourceforge.net/project/zbar/zbar/0.10/zbar-0.10.tar.bz2"
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sha256 "234efb39dbbe5cef4189cc76f37afbe3cfcfb45ae52493bfe8e191318bdbadc6"
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revision 1
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depends_on :x11 => :optional
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depends_on "pkg-config" => :build
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depends_on "jpeg"
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depends_on "imagemagick"
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depends_on "ufraw"
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depends_on "xz"
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depends_on "freetype"
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depends_on "libtool" => :run
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# Fix JPEG handling using patch from
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# http://sourceforge.net/p/zbar/discussion/664596/thread/58b8d79b#8f67
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# already applied upstream but not present in the 0.10 release
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patch :DATA
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def install
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args = %W[
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--disable-dependency-tracking
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--prefix=#{prefix}
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--without-python
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--without-qt
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--disable-video
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--without-gtk
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]
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if build.with? "x11"
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args << "--with-x"
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else
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args << "--without-x"
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end
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system "./configure", *args
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system "make", "install"
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end
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end
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__END__
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diff --git a/zbar/jpeg.c b/zbar/jpeg.c
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index fb566f4..d1c1fb2 100644
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--- a/zbar/jpeg.c
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+++ b/zbar/jpeg.c
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@@ -79,8 +79,15 @@ int fill_input_buffer (j_decompress_ptr cinfo)
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void skip_input_data (j_decompress_ptr cinfo,
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long num_bytes)
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{
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- cinfo->src->next_input_byte = NULL;
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- cinfo->src->bytes_in_buffer = 0;
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+ if (num_bytes > 0) {
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+ if (num_bytes < cinfo->src->bytes_in_buffer) {
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+ cinfo->src->next_input_byte += num_bytes;
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+ cinfo->src->bytes_in_buffer -= num_bytes;
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+ }
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+ else {
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+ fill_input_buffer(cinfo);
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+ }
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+ }
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}
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void term_source (j_decompress_ptr cinfo)
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