#
# Copyright (C) 2007-2012 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

autoconf_bool = $(patsubst %,$(if $($(1)),--enable,--disable)-%,$(2))

# delete *.la-files from staging_dir - we can not yet remove respective lines within all package
# Makefiles, since backfire still uses libtool v1.5.x which (may) require those files
define libtool_remove_files
	find $(1) -name '*.la' | $(XARGS) rm -f;
endef


AM_TOOL_PATHS:= \
	AUTOM4TE=$(STAGING_DIR_HOST)/bin/autom4te \
	AUTOCONF=$(STAGING_DIR_HOST)/bin/autoconf \
	AUTOMAKE=$(STAGING_DIR_HOST)/bin/automake \
	ACLOCAL=$(STAGING_DIR_HOST)/bin/aclocal \
	AUTOHEADER=$(STAGING_DIR_HOST)/bin/autoheader \
	LIBTOOLIZE=$(STAGING_DIR_HOST)/bin/libtoolize \
	LIBTOOL=$(STAGING_DIR_HOST)/bin/libtool \
	M4=$(STAGING_DIR_HOST)/bin/m4 \
	AUTOPOINT=true

# 1: build dir
# 2: remove files
# 3: automake paths
# 4: libtool paths
# 5: extra m4 dirs
define autoreconf
	(cd $(1); \
		$(patsubst %,rm -f %;,$(2)) \
		$(foreach p,$(3), \
			if [ -f $(p)/configure.ac ] || [ -f $(p)/configure.in ]; then \
				[ -d $(p)/autom4te.cache ] && rm -rf autom4te.cache; \
				[ -e $(p)/config.rpath ] || \
						ln -s $(SCRIPT_DIR)/config.rpath $(p)/config.rpath; \
				touch NEWS AUTHORS COPYING ABOUT-NLS ChangeLog; \
				$(AM_TOOL_PATHS) $(STAGING_DIR_HOST)/bin/autoreconf -v -f -i -s \
					$(if $(word 2,$(3)),--no-recursive) \
					-B $(STAGING_DIR_HOST)/share/aclocal \
					$(patsubst %,-I %,$(5)) \
					$(patsubst %,-I %,$(4)) $(p) || true; \
			fi; \
		) \
	);
endef

# 1: build dir
define patch_libtool
	@(cd $(1); \
		for lt in $$$$($$(STAGING_DIR_HOST)/bin/find . -name ltmain.sh); do \
			lt_version="$$$$($$(STAGING_DIR_HOST)/bin/sed -ne 's,^[[:space:]]*VERSION="\?\([0-9]\.[0-9]\+\).*,\1,p' $$$$lt)"; \
			case "$$$$lt_version" in \
				1.5|2.2|2.4) echo "autotools.mk: Found libtool v$$$$lt_version - applying patch to $$$$lt"; \
					(cd $$$$(dirname $$$$lt) && $$(PATCH) -N -s -p1 < $$(TOPDIR)/tools/libtool/files/libtool-v$$$$lt_version.patch || true) ;; \
				*) echo "autotools.mk: error: Unsupported libtool version v$$$$lt_version - cannot patch $$$$lt"; exit 1 ;; \
			esac; \
		done; \
	);
endef


PKG_LIBTOOL_PATHS?=$(CONFIGURE_PATH)
PKG_AUTOMAKE_PATHS?=$(CONFIGURE_PATH)
PKG_MACRO_PATHS?=m4
PKG_REMOVE_FILES?=aclocal.m4

Hooks/InstallDev/Post += libtool_remove_files

define autoreconf_target
  $(strip $(call autoreconf, \
    $(PKG_BUILD_DIR), $(PKG_REMOVE_FILES), \
    $(PKG_AUTOMAKE_PATHS), $(PKG_LIBTOOL_PATHS), \
    $(STAGING_DIR)/host/share/aclocal $(STAGING_DIR_HOSTPKG)/share/aclocal $(STAGING_DIR)/usr/share/aclocal $(PKG_MACRO_PATHS)))
endef

define patch_libtool_target
  $(strip $(call patch_libtool, \
    $(PKG_BUILD_DIR)))
endef

define gettext_version_target
	(cd $(PKG_BUILD_DIR) && \
		GETTEXT_VERSION=$(shell $(STAGING_DIR_HOSTPKG)/bin/gettext -V | $(STAGING_DIR_HOST)/bin/sed -ne '1s/.*\([0-9]\.[0-9]\{2\}\.[0-9]\).*/\1/p' ) && \
		$(STAGING_DIR_HOST)/bin/sed \
			-i $(PKG_BUILD_DIR)/configure.ac \
			-e "s/AM_GNU_GETTEXT_VERSION(.*)/AM_GNU_GETTEXT_VERSION(\[$$$$GETTEXT_VERSION\])/g" && \
		$(STAGING_DIR_HOSTPKG)/bin/autopoint --force \
	);
endef

ifneq ($(filter gettext-version,$(PKG_FIXUP)),)
  Hooks/Configure/Pre += gettext_version_target
 ifeq ($(filter no-autoreconf,$(PKG_FIXUP)),)
  Hooks/Configure/Pre += autoreconf_target
 endif
endif

ifneq ($(filter patch-libtool,$(PKG_FIXUP)),)
  Hooks/Configure/Pre += patch_libtool_target
endif

ifneq ($(filter libtool,$(PKG_FIXUP)),)
  PKG_BUILD_DEPENDS += libtool libintl libiconv
 ifeq ($(filter no-autoreconf,$(PKG_FIXUP)),)
  Hooks/Configure/Pre += autoreconf_target
 endif
endif

ifneq ($(filter libtool-ucxx,$(PKG_FIXUP)),)
  PKG_BUILD_DEPENDS += libtool libintl libiconv
 ifeq ($(filter no-autoreconf,$(PKG_FIXUP)),)
  Hooks/Configure/Pre += autoreconf_target
 endif
endif

ifneq ($(filter autoreconf,$(PKG_FIXUP)),)
  ifeq ($(filter autoreconf,$(Hooks/Configure/Pre)),)
    Hooks/Configure/Pre += autoreconf_target
  endif
endif


HOST_FIXUP?=$(PKG_FIXUP)
HOST_LIBTOOL_PATHS?=$(if $(PKG_LIBTOOL_PATHS),$(PKG_LIBTOOL_PATHS),.)
HOST_AUTOMAKE_PATHS?=$(if $(PKG_AUTOMAKE_PATHS),$(PKG_AUTOMAKE_PATHS),.)
HOST_MACRO_PATHS?=$(if $(PKG_MACRO_PATHS),$(PKG_MACRO_PATHS),m4)
HOST_REMOVE_FILES?=$(PKG_REMOVE_FILES)

define autoreconf_host
  $(strip $(call autoreconf, \
    $(HOST_BUILD_DIR), $(HOST_REMOVE_FILES), \
    $(HOST_AUTOMAKE_PATHS), $(HOST_LIBTOOL_PATHS), \
    $(HOST_MACRO_PATHS)))
endef

define patch_libtool_host
  $(strip $(call patch_libtool, \
    $(HOST_BUILD_DIR)))
endef

ifneq ($(filter patch-libtool,$(PKG_FIXUP)),)
  Hooks/HostConfigure/Pre += patch_libtool_host
endif

ifneq ($(filter patch-libtool,$(HOST_FIXUP)),)
  Hooks/HostConfigure/Pre += $(strip $(call patch_libtool,$(HOST_BUILD_DIR)))
endif

ifneq ($(filter libtool,$(HOST_FIXUP)),)
 ifeq ($(filter no-autoreconf,$(HOST_FIXUP)),)
  Hooks/HostConfigure/Pre += autoreconf_host
 endif
endif

ifneq ($(filter libtool-ucxx,$(HOST_FIXUP)),)
 ifeq ($(filter no-autoreconf,$(HOST_FIXUP)),)
  Hooks/HostConfigure/Pre += autoreconf_host
 endif
endif

ifneq ($(filter autoreconf,$(HOST_FIXUP)),)
  ifeq ($(filter autoreconf,$(Hooks/HostConfigure/Pre)),)
    Hooks/HostConfigure/Pre += autoreconf_host
  endif
endif
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</pre></td>
<td class='lines'><pre><code><style>pre { line-height: 125%; margin: 0; }
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.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */</style><div class="highlight"><pre><span></span><span class="cm">/*</span>
<span class="cm"> * Copyright (C) 2013-2014 Dominik Schürmann &lt;dominik@dominikschuermann.de&gt;</span>
<span class="cm"> * Copyright (C) 2011 Andreas Schildbach</span>
<span class="cm"> *</span>
<span class="cm"> * This program is free software: you can redistribute it and/or modify</span>
<span class="cm"> * it under the terms of the GNU General Public License as published by</span>
<span class="cm"> * the Free Software Foundation, either version 3 of the License, or</span>
<span class="cm"> * (at your option) any later version.</span>
<span class="cm"> *</span>
<span class="cm"> * This program is distributed in the hope that it will be useful,</span>
<span class="cm"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="cm"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<span class="cm"> * GNU General Public License for more details.</span>
<span class="cm"> *</span>
<span class="cm"> * You should have received a copy of the GNU General Public License</span>
<span class="cm"> * along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span>
<span class="cm"> */</span>

<span class="kn">package</span> <span class="nn">org.sufficientlysecure.keychain.util</span><span class="p">;</span>

<span class="kn">import</span> <span class="nn">android.graphics.Bitmap</span><span class="p">;</span>
<span class="kn">import</span> <span class="nn">android.graphics.Color</span><span class="p">;</span>

<span class="kn">import</span> <span class="nn">com.google.zxing.BarcodeFormat</span><span class="p">;</span>
<span class="kn">import</span> <span class="nn">com.google.zxing.EncodeHintType</span><span class="p">;</span>
<span class="kn">import</span> <span class="nn">com.google.zxing.WriterException</span><span class="p">;</span>
<span class="kn">import</span> <span class="nn">com.google.zxing.common.BitMatrix</span><span class="p">;</span>
<span class="kn">import</span> <span class="nn">com.google.zxing.qrcode.QRCodeWriter</span><span class="p">;</span>
<span class="kn">import</span> <span class="nn">com.google.zxing.qrcode.decoder.ErrorCorrectionLevel</span><span class="p">;</span>

<span class="kn">import</span> <span class="nn">org.sufficientlysecure.keychain.Constants</span><span class="p">;</span>

<span class="kn">import</span> <span class="nn">java.util.Hashtable</span><span class="p">;</span>

<span class="kd">public</span> <span class="kd">class</span> <span class="nc">QrCodeUtils</span> <span class="p">{</span>
    <span class="kd">public</span> <span class="kd">static</span> <span class="kd">final</span> <span class="n">QRCodeWriter</span> <span class="n">QR_CODE_WRITER</span> <span class="o">=</span> <span class="k">new</span> <span class="n">QRCodeWriter</span><span class="p">();</span>

    <span class="cm">/**</span>
<span class="cm">     * Generate Bitmap with QR Code based on input.</span>
<span class="cm">     *</span>
<span class="cm">     * @param input</span>
<span class="cm">     * @param size</span>
<span class="cm">     * @return QR Code as Bitmap</span>
<span class="cm">     */</span>
    <span class="kd">public</span> <span class="kd">static</span> <span class="n">Bitmap</span> <span class="nf">getQRCodeBitmap</span><span class="p">(</span><span class="kd">final</span> <span class="n">String</span> <span class="n">input</span><span class="p">,</span> <span class="kd">final</span> <span class="kt">int</span> <span class="n">size</span><span class="p">)</span> <span class="p">{</span>
        <span class="k">try</span> <span class="p">{</span>
            <span class="kd">final</span> <span class="n">Hashtable</span><span class="o">&lt;</span><span class="n">EncodeHintType</span><span class="p">,</span> <span class="n">Object</span><span class="o">&gt;</span> <span class="n">hints</span> <span class="o">=</span> <span class="k">new</span> <span class="n">Hashtable</span><span class="o">&lt;</span><span class="n">EncodeHintType</span><span class="p">,</span> <span class="n">Object</span><span class="o">&gt;</span><span class="p">();</span>
            <span class="n">hints</span><span class="p">.</span><span class="na">put</span><span class="p">(</span><span class="n">EncodeHintType</span><span class="p">.</span><span class="na">ERROR_CORRECTION</span><span class="p">,</span> <span class="n">ErrorCorrectionLevel</span><span class="p">.</span><span class="na">M</span><span class="p">);</span>
            <span class="kd">final</span> <span class="n">BitMatrix</span> <span class="n">result</span> <span class="o">=</span> <span class="n">QR_CODE_WRITER</span><span class="p">.</span><span class="na">encode</span><span class="p">(</span><span class="n">input</span><span class="p">,</span> <span class="n">BarcodeFormat</span><span class="p">.</span><span class="na">QR_CODE</span><span class="p">,</span> <span class="n">size</span><span class="p">,</span>
                    <span class="n">size</span><span class="p">,</span> <span class="n">hints</span><span class="p">);</span>

            <span class="kd">final</span> <span class="kt">int</span> <span class="n">width</span> <span class="o">=</span> <span class="n">result</span><span class="p">.</span><span class="na">getWidth</span><span class="p">();</span>
            <span class="kd">final</span> <span class="kt">int</span> <span class="n">height</span> <span class="o">=</span> <span class="n">result</span><span class="p">.</span><span class="na">getHeight</span><span class="p">();</span>
            <span class="kd">final</span> <span class="kt">int</span><span class="o">[]</span> <span class="n">pixels</span> <span class="o">=</span> <span class="k">new</span> <span class="kt">int</span><span class="o">[</span><span class="n">width</span> <span class="o">*</span> <span class="n">height</span><span class="o">]</span><span class="p">;</span>

            <span class="k">for</span> <span class="p">(</span><span class="kt">int</span> <span class="n">y</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="n">y</span> <span class="o">&lt;</span> <span class="n">height</span><span class="p">;</span> <span class="n">y</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span>
                <span class="kd">final</span> <span class="kt">int</span> <span class="n">offset</span> <span class="o">=</span> <span class="n">y</span> <span class="o">*</span> <span class="n">width</span><span class="p">;</span>
                <span class="k">for</span> <span class="p">(</span><span class="kt">int</span> <span class="n">x</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="n">x</span> <span class="o">&lt;</span> <span class="n">width</span><span class="p">;</span> <span class="n">x</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span>
                    <span class="n">pixels</span><span class="o">[</span><span class="n">offset</span> <span class="o">+</span> <span class="n">x</span><span class="o">]</span> <span class="o">=</span> <span class="n">result</span><span class="p">.</span><span class="na">get</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">)</span> <span class="o">?</span> <span class="n">Color</span><span class="p">.</span><span class="na">BLACK</span> <span class="p">:</span> <span class="n">Color</span><span class="p">.</span><span class="na">TRANSPARENT</span><span class="p">;</span>
                <span class="p">}</span>
            <span class="p">}</span>

            <span class="kd">final</span> <span class="n">Bitmap</span> <span class="n">bitmap</span> <span class="o">=</span> <span class="n">Bitmap</span><span class="p">.</span><span class="na">createBitmap</span><span class="p">(</span><span class="n">width</span><span class="p">,</span> <span class="n">height</span><span class="p">,</span> <span class="n">Bitmap</span><span class="p">.</span><span class="na">Config</span><span class="p">.</span><span class="na">ARGB_8888</span><span class="p">);</span>
            <span class="n">bitmap</span><span class="p">.</span><span class="na">setPixels</span><span class="p">(</span><span class="n">pixels</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">width</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">width</span><span class="p">,</span> <span class="n">height</span><span class="p">);</span>
            <span class="k">return</span> <span class="n">bitmap</span><span class="p">;</span>
        <span class="p">}</span> <span class="k">catch</span> <span class="p">(</span><span class="kd">final</span> <span class="n">WriterException</span> <span class="n">e</span><span class="p">)</span> <span class="p">{</span>
            <span class="n">Log</span><span class="p">.</span><span class="na">e</span><span class="p">(</span><span class="n">Constants</span><span class="p">.</span><span class="na">TAG</span><span class="p">,</span> <span class="s">&quot;QrCodeUtils&quot;</span><span class="p">,</span> <span class="n">e</span><span class="p">);</span>
            <span class="k">return</span> <span class="kc">null</span><span class="p">;</span>
        <span class="p">}</span>
    <span class="p">}</span>

<span class="p">}</span>
</pre></div>