70 lines
2.1 KiB
Ruby
70 lines
2.1 KiB
Ruby
class Jbig2enc < Formula
|
|
desc "JBIG2 encoder (for monochrome documents)"
|
|
homepage "https://github.com/agl/jbig2enc"
|
|
revision 1
|
|
|
|
stable do
|
|
url "https://github.com/agl/jbig2enc/archive/0.28-dist.tar.gz"
|
|
sha256 "83e71ce2d27ba845058b9f9fefc6c5586c7731fdac8709611e4f49f271a580f1"
|
|
version "0.28"
|
|
|
|
# Patch data from https://github.com/agl/jbig2enc/commit/53ce5fe7e73d7ed95c9e12b52dd4984723f865fa
|
|
patch :DATA
|
|
end
|
|
|
|
head do
|
|
url "https://github.com/agl/jbig2enc.git"
|
|
|
|
depends_on "autoconf" => :build
|
|
depends_on "automake" => :build
|
|
depends_on "libtool" => :build
|
|
end
|
|
|
|
depends_on "leptonica"
|
|
|
|
def install
|
|
system "./autogen.sh" if build.head?
|
|
system "./configure", "--prefix=#{prefix}"
|
|
system "make", "install"
|
|
end
|
|
end
|
|
|
|
__END__
|
|
diff --git a/configure.ac b/configure.ac
|
|
index fe37c22..753a607 100644
|
|
--- a/configure.ac
|
|
+++ b/configure.ac
|
|
@@ -55,6 +55,7 @@ AC_CHECK_LIB([lept], [findFileFormatStream], [], [
|
|
echo "Error! Leptonica not detected."
|
|
exit -1
|
|
])
|
|
+AC_CHECK_FUNCS(expandBinaryPower2Low,,)
|
|
# test for function - it should detect leptonica dependecies
|
|
|
|
# Check for possible dependancies of leptonica.
|
|
diff --git a/src/jbig2.cc b/src/jbig2.cc
|
|
index e10f042..515c1ef 100644
|
|
--- a/src/jbig2.cc
|
|
+++ b/src/jbig2.cc
|
|
@@ -130,11 +130,16 @@ segment_image(PIX *pixb, PIX *piximg) {
|
|
// input color image, so we have to do it this way...
|
|
// is there a better way?
|
|
// PIX *pixd = pixExpandBinary(pixd4, 4);
|
|
- PIX *pixd = pixCreate(piximg->w, piximg->h, 1);
|
|
- pixCopyResolution(pixd, piximg);
|
|
- if (verbose) pixInfo(pixd, "mask image: ");
|
|
- expandBinaryPower2Low(pixd->data, pixd->w, pixd->h, pixd->wpl,
|
|
+ PIX *pixd;
|
|
+#ifdef HAVE_EXPANDBINARYPOWER2LOW
|
|
+ pixd = pixCreate(piximg->w, piximg->h, 1);
|
|
+ pixCopyResolution(pixd, piximg);
|
|
+ expandBinaryPower2Low(pixd->data, pixd->w, pixd->h, pixd->wpl,
|
|
pixd4->data, pixd4->w, pixd4->h, pixd4->wpl, 4);
|
|
+#else
|
|
+ pixd = pixExpandBinaryPower2(pixd4, 4);
|
|
+#endif
|
|
+ if (verbose) pixInfo(pixd, "mask image: ");
|
|
|
|
pixDestroy(&pixd4);
|
|
pixDestroy(&pixsf4);
|