# Maintainer: Antonio Rojas <arojas@archlinux.org>
# Contributor: Sergej Pupykin <pupykin.s+arch@gmail.com>
# Contributor: Jan "heftig" Steffens <jan.steffens@gmail.com>
# Contributor: farid <farid at archlinuc-br.org>
# Contributor: Archie <Mymaud@gmail.com>

# ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
#  - remove -mtune=generic from makefile, replace with our CFLAGS
#  - remove -flto from makefile
#  - set LTO=off for gmic-qt

highmem=1

pkgbase=gmic
pkgname=(gmic zart gimp-plugin-gmic krita-plugin-gmic)
pkgver=2.9.0
pkgrel=7
arch=(x86_64)
url="https://gmic.eu/"
license=(custom:CeCILL)
makedepends=(cmake gimp qt5-base fftw openexr opencv eigen graphicsmagick qt5-tools)
source=(https://gmic.eu/files/source/gmic_$pkgver.tar.gz zart-opencv4.patch)
sha256sums=('6233695f9b27999dcc7cc3aa7480b0f192bd44de85209091a3b4b8a65ae8c4b5'
            'f4295a2b9a6730060e1dd763c602bd5156570d623bc69c2214dfd11e94943296')

prepare() {
  mkdir -p build{,-qt,-krita,-gimp,-zart}

  sed -e 's|pkg_check_modules(OPENCV opencv)|pkg_check_modules(OPENCV opencv4)|' -i gmic-$pkgver/CMakeLists.txt
# fix build with openCV 4.0
  cd gmic-$pkgver/zart
  patch -p1 -i ../../zart-opencv4.patch
  sed -e 's|opencv|opencv4|' -i zart.pro

  cd ..
  sed -i "s|-mtune=generic|${CFLAGS}|" src/Makefile
  sed -i 's/-flto//g' src/Makefile
}

build() {
  cd build
  cmake ../gmic-$pkgver \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DENABLE_DYNAMIC_LINKING=ON
  make

  export LDFLAGS="$LDFLAGS -L../build"
  cd ../build-qt
  cmake ../gmic-$pkgver/gmic-qt \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DENABLE_DYNAMIC_LINKING=ON \
    -DGMIC_PATH="$srcdir"/gmic-$pkgver/src \
    -DGMIC_QT_HOST=none \
    -DENABLE_LTO=OFF
  make

  cd ../build-gimp
  cmake ../gmic-$pkgver/gmic-qt \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DENABLE_DYNAMIC_LINKING=ON \
    -DGMIC_PATH="$srcdir"/gmic-$pkgver/src \
    -DGMIC_QT_HOST=gimp \
    -DENABLE_LTO=OFF
  make

  cd ../build-krita
  cmake ../gmic-$pkgver/gmic-qt \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DENABLE_DYNAMIC_LINKING=ON \
    -DGMIC_PATH="$srcdir"/gmic-$pkgver/src \
    -DGMIC_QT_HOST=krita \
    -DENABLE_LTO=OFF
  make

  cd ../build-zart
  export CXXFLAGS=${CXXFLAGS/-O2/} # https://github.com/c-koi/zart/issues/14
  qmake ../gmic-$pkgver/zart \
    GMIC_PATH="$srcdir"/gmic-$pkgver/src GMIC_DYNAMIC_LINKING=on QMAKE_CXXFLAGS+=" -DOPENCV2_HEADERS"
  make
}

package_gmic() {
  pkgdesc="GREYC's Magic Image Converter: image processing framework"
  depends=(graphicsmagick opencv fftw)
  optdepends=('qt5-base: for the Qt UI')

  cd build
  make DESTDIR="$pkgdir" install
  install -Dm644 ../gmic-$pkgver/COPYING "$pkgdir"/usr/share/licenses/$pkgname/LICENSE

  cd ../build-qt
  make DESTDIR="$pkgdir" install
}

package_zart() {
  pkgdesc="A GUI for G'MIC real-time manipulations on the output of a webcam"
  depends=(gmic qt5-base)

  cd build-zart
  install -Dm755 zart -t "$pkgdir"/usr/bin
  install -Dm644 ../gmic-$pkgver/zart/Licence_CeCILL_V2-en.html -t "$pkgdir"/usr/share/licenses/$pkgname
}

package_gimp-plugin-gmic() {
  pkgdesc="Gimp plugin for the G'MIC image processing framework"
  depends=(gimp gmic qt5-base)

  cd build-gimp
  make DESTDIR="$pkgdir" install
  install -Dm644 ../gmic-$pkgver/COPYING "$pkgdir"/usr/share/licenses/$pkgname/LICENSE
}

package_krita-plugin-gmic() {
  pkgdesc="Krita plugin for the G'MIC image processing framework"
  depends=(krita gmic)

  cd build-krita
  make DESTDIR="$pkgdir" install
  install -Dm644 ../gmic-$pkgver/COPYING "$pkgdir"/usr/share/licenses/$pkgname/LICENSE
}