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diff -up hplip-3.17.4/Makefile.am.no-ernie hplip-3.17.4/Makefile.am
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--- hplip-3.17.4/Makefile.am.no-ernie	2017-04-26 16:28:35.398099978 +0200
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+++ hplip-3.17.4/Makefile.am	2017-04-26 16:29:02.235879035 +0200
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@@ -519,7 +519,7 @@ hpcups_SOURCES = prnt/hpcups/HPCupsFilte
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 	prnt/hpcups/Mode2.cpp prnt/hpcups/Mode2.h prnt/hpcups/Mode3.cpp prnt/hpcups/Mode3.h \
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 	prnt/hpcups/Mode9.cpp prnt/hpcups/Mode9.h prnt/hpcups/Mode10.cpp prnt/hpcups/Mode10.h \
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 	prnt/hpcups/ModeDeltaPlus.cpp prnt/hpcups/ModeDeltaPlus.h prnt/hpcups/ModeJbig.cpp prnt/hpcups/ModeJbig.h \
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-	prnt/hpcups/ErnieFilter.cpp prnt/hpcups/ErnieFilter.h prnt/hpcups/EncapsulatorFactory.cpp prnt/hpcups/EncapsulatorFactory.h \
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+	prnt/hpcups/EncapsulatorFactory.cpp prnt/hpcups/EncapsulatorFactory.h \
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 	prnt/hpcups/Encapsulator.cpp prnt/hpcups/Encapsulator.h prnt/hpcups/Pcl3.cpp prnt/hpcups/Pcl3.h \
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 	prnt/hpcups/Pcl3Gui.cpp prnt/hpcups/Pcl3Gui.h prnt/hpcups/Pcl3Gui2.cpp prnt/hpcups/Pcl3Gui2.h \
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 	prnt/hpcups/LJMono.cpp prnt/hpcups/LJMono.h prnt/hpcups/LJColor.cpp prnt/hpcups/LJColor.h \
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diff -up hplip-3.17.4/prnt/hpcups/Pcl3Gui2.cpp.no-ernie hplip-3.17.4/prnt/hpcups/Pcl3Gui2.cpp
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--- hplip-3.17.4/prnt/hpcups/Pcl3Gui2.cpp.no-ernie	2017-04-26 16:28:39.525066003 +0200
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+++ hplip-3.17.4/prnt/hpcups/Pcl3Gui2.cpp	2017-04-26 16:29:46.987510614 +0200
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@@ -30,7 +30,6 @@
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 #include "CommonDefinitions.h"
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 #include "Pcl3Gui2.h"
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-#include "ErnieFilter.h"
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 #include "Mode10.h"
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 #include "Mode9.h"
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 #include "PrinterCommands.h"
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@@ -38,7 +37,6 @@
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 Pcl3Gui2::Pcl3Gui2() : Encapsulator()
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 {
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     speed_mech_enabled = true;
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-    m_run_ernie_filter = true;
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     crd_type = eCrd_both;
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     strcpy(m_szLanguage, "PCL3GUI");
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 }
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@@ -59,21 +57,6 @@ DRIVER_ERROR Pcl3Gui2::Configure(Pipelin
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     }
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     width = m_pMA->printable_width;;
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-    if (m_run_ernie_filter) {
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-	    ErnieFilter    *pErnie;
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-
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-       // Normal: threshold = (resolution) * (0.0876) - 2
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-       int threshold = ((m_pQA->horizontal_resolution * 876) / 10000) - 2;
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-
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-       pErnie = new ErnieFilter (width, eBGRPixelData, threshold);
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-       p = new Pipeline (pErnie);
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-       if (head) {
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-          head->AddPhase (p);
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-       }
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-       else {
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-           head = p;
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-       }
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-    }
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     if (crd_type != eCrd_black_only) {
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         Mode10    *pMode10;
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diff -up hplip-3.17.4/prnt/hpcups/Pcl3Gui2.h.no-ernie hplip-3.17.4/prnt/hpcups/Pcl3Gui2.h
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--- hplip-3.17.4/prnt/hpcups/Pcl3Gui2.h.no-ernie	2017-04-26 16:28:43.277035115 +0200
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+++ hplip-3.17.4/prnt/hpcups/Pcl3Gui2.h	2017-04-26 16:30:05.826355522 +0200
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@@ -60,7 +60,6 @@ private:
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     DRIVER_ERROR encapsulateRaster(BYTE *input_raster, unsigned int num_bytes, COLORTYPE c_type);
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     bool    speed_mech_enabled;
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     int     page_number;
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-    bool    m_run_ernie_filter;
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     eCrdType    crd_type;
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 };
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