Mercurial > octave
view libinterp/corefcn/__magick_read__.cc @ 22755:3a2b891d0b33
maint: Standardize Copyright formatting.
* Makefile.am, README, build-aux/check-subst-vars.in.sh,
build-aux/find-files-with-tests.sh, build-aux/mk-builtins.sh,
build-aux/mk-default-qt-settings.in.sh, build-aux/mk-f77-def.in.sh,
build-aux/mk-hg-id.sh, build-aux/mk-mxarray-h.in.sh,
build-aux/mk-octave-config-h.sh, build-aux/mk-opts.pl,
build-aux/mk-version-h.in.sh, build-aux/subst-config-vals.in.sh,
build-aux/subst-cross-config-vals.in.sh, build-aux/subst-default-vals.in.sh,
build-aux/subst-f77-isnan-macro.in.sh, build-aux/subst-script-vals.in.sh,
configure.ac, doc/interpreter/arith.txi, doc/interpreter/audio.txi,
doc/interpreter/basics.txi, doc/interpreter/bugs.txi,
doc/interpreter/container.txi, doc/interpreter/cp-idx.txi,
doc/interpreter/data.txi, doc/interpreter/debug.txi,
doc/interpreter/diagperm.txi, doc/interpreter/diffeq.txi,
doc/interpreter/errors.txi, doc/interpreter/eval.txi, doc/interpreter/expr.txi,
doc/interpreter/external.txi, doc/interpreter/fn-idx.txi,
doc/interpreter/func.txi, doc/interpreter/genpropdoc.m,
doc/interpreter/geometry.txi, doc/interpreter/geometryimages.m,
doc/interpreter/grammar.txi, doc/interpreter/gui.txi,
doc/interpreter/image.txi, doc/interpreter/install.txi,
doc/interpreter/interp.txi, doc/interpreter/interpimages.m,
doc/interpreter/intro.txi, doc/interpreter/io.txi, doc/interpreter/linalg.txi,
doc/interpreter/macros.texi, doc/interpreter/matrix.txi,
doc/interpreter/mk-doc-cache.pl, doc/interpreter/mkoctfile.1,
doc/interpreter/nonlin.txi, doc/interpreter/numbers.txi,
doc/interpreter/obsolete.txi, doc/interpreter/octave-cli.1,
doc/interpreter/octave-config.1, doc/interpreter/octave.1,
doc/interpreter/octave.css, doc/interpreter/octave.texi,
doc/interpreter/oop.txi, doc/interpreter/op-idx.txi, doc/interpreter/optim.txi,
doc/interpreter/package.txi, doc/interpreter/plot.txi,
doc/interpreter/plotimages.m, doc/interpreter/poly.txi,
doc/interpreter/preface.txi, doc/interpreter/quad.txi, doc/interpreter/set.txi,
doc/interpreter/signal.txi, doc/interpreter/sparse.txi,
doc/interpreter/sparseimages.m, doc/interpreter/splineimages.m,
doc/interpreter/stats.txi, doc/interpreter/stmt.txi,
doc/interpreter/strings.txi, doc/interpreter/system.txi,
doc/interpreter/testfun.txi, doc/interpreter/var.txi,
doc/interpreter/vectorize.txi, doc/liboctave/array.texi,
doc/liboctave/bugs.texi, doc/liboctave/cp-idx.texi, doc/liboctave/dae.texi,
doc/liboctave/diffeq.texi, doc/liboctave/error.texi, doc/liboctave/factor.texi,
doc/liboctave/fn-idx.texi, doc/liboctave/gpl.texi, doc/liboctave/install.texi,
doc/liboctave/intro.texi, doc/liboctave/liboctave.texi,
doc/liboctave/matvec.texi, doc/liboctave/nleqn.texi, doc/liboctave/nlfunc.texi,
doc/liboctave/ode.texi, doc/liboctave/optim.texi, doc/liboctave/preface.texi,
doc/liboctave/quad.texi, doc/liboctave/range.texi, doc/refcard/refcard-a4.tex,
doc/refcard/refcard-legal.tex, doc/refcard/refcard-letter.tex,
doc/refcard/refcard.tex, etc/HACKING, etc/icons/octave.appdata.xml.in,
libgui/graphics/Backend.cc, libgui/graphics/Backend.h,
libgui/graphics/BaseControl.cc, libgui/graphics/BaseControl.h,
libgui/graphics/ButtonControl.cc, libgui/graphics/ButtonControl.h,
libgui/graphics/ButtonGroup.cc, libgui/graphics/ButtonGroup.h,
libgui/graphics/Canvas.cc, libgui/graphics/Canvas.h,
libgui/graphics/CheckBoxControl.cc, libgui/graphics/CheckBoxControl.h,
libgui/graphics/Container.cc, libgui/graphics/Container.h,
libgui/graphics/ContextMenu.cc, libgui/graphics/ContextMenu.h,
libgui/graphics/EditControl.cc, libgui/graphics/EditControl.h,
libgui/graphics/Figure.cc, libgui/graphics/Figure.h,
libgui/graphics/FigureWindow.cc, libgui/graphics/FigureWindow.h,
libgui/graphics/GLCanvas.cc, libgui/graphics/GLCanvas.h,
libgui/graphics/GenericEventNotify.h, libgui/graphics/KeyMap.cc,
libgui/graphics/KeyMap.h, libgui/graphics/ListBoxControl.cc,
libgui/graphics/ListBoxControl.h, libgui/graphics/Logger.cc,
libgui/graphics/Logger.h, libgui/graphics/Menu.cc, libgui/graphics/Menu.h,
libgui/graphics/MenuContainer.h, libgui/graphics/MouseModeActionGroup.cc,
libgui/graphics/MouseModeActionGroup.h, libgui/graphics/Object.cc,
libgui/graphics/Object.h, libgui/graphics/ObjectFactory.cc,
libgui/graphics/ObjectFactory.h, libgui/graphics/ObjectProxy.cc,
libgui/graphics/ObjectProxy.h, libgui/graphics/Panel.cc,
libgui/graphics/Panel.h, libgui/graphics/PopupMenuControl.cc,
libgui/graphics/PopupMenuControl.h, libgui/graphics/PushButtonControl.cc,
libgui/graphics/PushButtonControl.h, libgui/graphics/PushTool.cc,
libgui/graphics/PushTool.h, libgui/graphics/QtHandlesUtils.cc,
libgui/graphics/QtHandlesUtils.h, libgui/graphics/RadioButtonControl.cc,
libgui/graphics/RadioButtonControl.h, libgui/graphics/SliderControl.cc,
libgui/graphics/SliderControl.h, libgui/graphics/TextControl.cc,
libgui/graphics/TextControl.h, libgui/graphics/TextEdit.cc,
libgui/graphics/TextEdit.h, libgui/graphics/ToggleButtonControl.cc,
libgui/graphics/ToggleButtonControl.h, libgui/graphics/ToggleTool.cc,
libgui/graphics/ToggleTool.h, libgui/graphics/ToolBar.cc,
libgui/graphics/ToolBar.h, libgui/graphics/ToolBarButton.cc,
libgui/graphics/ToolBarButton.h, libgui/graphics/__init_qt__.cc,
libgui/graphics/__init_qt__.h, libgui/graphics/annotation-dialog.cc,
libgui/graphics/annotation-dialog.h, libgui/graphics/gl-select.cc,
libgui/graphics/gl-select.h, libgui/src/color-picker.cc,
libgui/src/color-picker.h, libgui/src/dialog.cc, libgui/src/dialog.h,
libgui/src/documentation-dock-widget.cc,
libgui/src/documentation-dock-widget.h, libgui/src/files-dock-widget.cc,
libgui/src/files-dock-widget.h, libgui/src/find-files-dialog.cc,
libgui/src/find-files-dialog.h, libgui/src/find-files-model.cc,
libgui/src/find-files-model.h, libgui/src/history-dock-widget.cc,
libgui/src/history-dock-widget.h, libgui/src/liboctgui-build-info.h,
libgui/src/liboctgui-build-info.in.cc,
libgui/src/m-editor/file-editor-interface.h,
libgui/src/m-editor/file-editor-tab.cc, libgui/src/m-editor/file-editor-tab.h,
libgui/src/m-editor/file-editor.cc, libgui/src/m-editor/file-editor.h,
libgui/src/m-editor/find-dialog.cc, libgui/src/m-editor/find-dialog.h,
libgui/src/m-editor/marker.cc, libgui/src/m-editor/marker.h,
libgui/src/m-editor/octave-qscintilla.cc,
libgui/src/m-editor/octave-qscintilla.h,
libgui/src/m-editor/octave-txt-lexer.cc,
libgui/src/m-editor/octave-txt-lexer.h, libgui/src/main-window.cc,
libgui/src/main-window.h, libgui/src/octave-cmd.cc, libgui/src/octave-cmd.h,
libgui/src/octave-dock-widget.cc, libgui/src/octave-dock-widget.h,
libgui/src/octave-gui.cc, libgui/src/octave-gui.h,
libgui/src/octave-interpreter.cc, libgui/src/octave-interpreter.h,
libgui/src/octave-qt-link.cc, libgui/src/octave-qt-link.h,
libgui/src/qtinfo/parser.cc, libgui/src/qtinfo/parser.h,
libgui/src/qtinfo/webinfo.cc, libgui/src/qtinfo/webinfo.h,
libgui/src/resource-manager.cc, libgui/src/resource-manager.h,
libgui/src/settings-dialog.cc, libgui/src/settings-dialog.h,
libgui/src/shortcut-manager.cc, libgui/src/shortcut-manager.h,
libgui/src/terminal-dock-widget.cc, libgui/src/terminal-dock-widget.h,
libgui/src/thread-manager.cc, libgui/src/thread-manager.h,
libgui/src/welcome-wizard.cc, libgui/src/welcome-wizard.h,
libgui/src/workspace-model.cc, libgui/src/workspace-model.h,
libgui/src/workspace-view.cc, libgui/src/workspace-view.h,
libinterp/build-env.h, libinterp/build-env.in.cc, libinterp/builtins.h,
libinterp/corefcn/Cell.cc, libinterp/corefcn/Cell.h,
libinterp/corefcn/__contourc__.cc, libinterp/corefcn/__dsearchn__.cc,
libinterp/corefcn/__ichol__.cc, libinterp/corefcn/__ilu__.cc,
libinterp/corefcn/__lin_interpn__.cc, libinterp/corefcn/__luinc__.cc,
libinterp/corefcn/__magick_read__.cc, libinterp/corefcn/__pchip_deriv__.cc,
libinterp/corefcn/__qp__.cc, libinterp/corefcn/balance.cc,
libinterp/corefcn/base-text-renderer.h, libinterp/corefcn/besselj.cc,
libinterp/corefcn/betainc.cc, libinterp/corefcn/bitfcns.cc,
libinterp/corefcn/bsxfun.cc, libinterp/corefcn/c-file-ptr-stream.cc,
libinterp/corefcn/c-file-ptr-stream.h, libinterp/corefcn/call-stack.cc,
libinterp/corefcn/call-stack.h, libinterp/corefcn/cdisplay.c,
libinterp/corefcn/cdisplay.h, libinterp/corefcn/cellfun.cc,
libinterp/corefcn/coct-hdf5-types.c, libinterp/corefcn/colloc.cc,
libinterp/corefcn/comment-list.cc, libinterp/corefcn/comment-list.h,
libinterp/corefcn/conv2.cc, libinterp/corefcn/daspk.cc,
libinterp/corefcn/dasrt.cc, libinterp/corefcn/dassl.cc,
libinterp/corefcn/data.cc, libinterp/corefcn/data.h,
libinterp/corefcn/debug.cc, libinterp/corefcn/debug.h,
libinterp/corefcn/defaults.cc, libinterp/corefcn/defaults.in.h,
libinterp/corefcn/defun-dld.h, libinterp/corefcn/defun-int.h,
libinterp/corefcn/defun.cc, libinterp/corefcn/defun.h,
libinterp/corefcn/det.cc, libinterp/corefcn/dirfns.cc,
libinterp/corefcn/dirfns.h, libinterp/corefcn/display.cc,
libinterp/corefcn/display.h, libinterp/corefcn/dlmread.cc,
libinterp/corefcn/dot.cc, libinterp/corefcn/dynamic-ld.cc,
libinterp/corefcn/dynamic-ld.h, libinterp/corefcn/eig.cc,
libinterp/corefcn/ellipj.cc, libinterp/corefcn/error.cc,
libinterp/corefcn/error.h, libinterp/corefcn/errwarn.cc,
libinterp/corefcn/errwarn.h, libinterp/corefcn/event-queue.cc,
libinterp/corefcn/event-queue.h, libinterp/corefcn/fft.cc,
libinterp/corefcn/fft2.cc, libinterp/corefcn/fftn.cc,
libinterp/corefcn/file-io.cc, libinterp/corefcn/file-io.h,
libinterp/corefcn/filter.cc, libinterp/corefcn/find.cc,
libinterp/corefcn/ft-text-renderer.cc, libinterp/corefcn/ft-text-renderer.h,
libinterp/corefcn/gammainc.cc, libinterp/corefcn/gcd.cc,
libinterp/corefcn/getgrent.cc, libinterp/corefcn/getpwent.cc,
libinterp/corefcn/getrusage.cc, libinterp/corefcn/givens.cc,
libinterp/corefcn/gl-render.cc, libinterp/corefcn/gl-render.h,
libinterp/corefcn/gl2ps-print.cc, libinterp/corefcn/gl2ps-print.h,
libinterp/corefcn/graphics.cc, libinterp/corefcn/graphics.in.h,
libinterp/corefcn/gripes.cc, libinterp/corefcn/gripes.h,
libinterp/corefcn/gsvd.cc, libinterp/corefcn/hash.cc,
libinterp/corefcn/help.cc, libinterp/corefcn/help.h, libinterp/corefcn/hess.cc,
libinterp/corefcn/hex2num.cc, libinterp/corefcn/hook-fcn.cc,
libinterp/corefcn/hook-fcn.h, libinterp/corefcn/input.cc,
libinterp/corefcn/input.h, libinterp/corefcn/interpreter.cc,
libinterp/corefcn/interpreter.h, libinterp/corefcn/inv.cc,
libinterp/corefcn/jit-ir.cc, libinterp/corefcn/jit-ir.h,
libinterp/corefcn/jit-typeinfo.cc, libinterp/corefcn/jit-typeinfo.h,
libinterp/corefcn/jit-util.cc, libinterp/corefcn/jit-util.h,
libinterp/corefcn/kron.cc, libinterp/corefcn/load-path.cc,
libinterp/corefcn/load-path.h, libinterp/corefcn/load-save.cc,
libinterp/corefcn/load-save.h, libinterp/corefcn/lookup.cc,
libinterp/corefcn/ls-ascii-helper.cc, libinterp/corefcn/ls-ascii-helper.h,
libinterp/corefcn/ls-hdf5.cc, libinterp/corefcn/ls-hdf5.h,
libinterp/corefcn/ls-mat-ascii.cc, libinterp/corefcn/ls-mat-ascii.h,
libinterp/corefcn/ls-mat4.cc, libinterp/corefcn/ls-mat4.h,
libinterp/corefcn/ls-mat5.cc, libinterp/corefcn/ls-mat5.h,
libinterp/corefcn/ls-oct-binary.cc, libinterp/corefcn/ls-oct-binary.h,
libinterp/corefcn/ls-oct-text.cc, libinterp/corefcn/ls-oct-text.h,
libinterp/corefcn/ls-utils.cc, libinterp/corefcn/ls-utils.h,
libinterp/corefcn/lsode.cc, libinterp/corefcn/lu.cc,
libinterp/corefcn/mappers.cc, libinterp/corefcn/matrix_type.cc,
libinterp/corefcn/max.cc, libinterp/corefcn/mex.cc, libinterp/corefcn/mex.h,
libinterp/corefcn/mexproto.h, libinterp/corefcn/mgorth.cc,
libinterp/corefcn/mxarray.in.h, libinterp/corefcn/nproc.cc,
libinterp/corefcn/oct-errno.h, libinterp/corefcn/oct-errno.in.cc,
libinterp/corefcn/oct-fstrm.cc, libinterp/corefcn/oct-fstrm.h,
libinterp/corefcn/oct-handle.h, libinterp/corefcn/oct-hdf5-types.cc,
libinterp/corefcn/oct-hdf5-types.h, libinterp/corefcn/oct-hdf5.h,
libinterp/corefcn/oct-hist.cc, libinterp/corefcn/oct-hist.h,
libinterp/corefcn/oct-iostrm.cc, libinterp/corefcn/oct-iostrm.h,
libinterp/corefcn/oct-lvalue.cc, libinterp/corefcn/oct-lvalue.h,
libinterp/corefcn/oct-map.cc, libinterp/corefcn/oct-map.h,
libinterp/corefcn/oct-obj.h, libinterp/corefcn/oct-opengl.h,
libinterp/corefcn/oct-prcstrm.cc, libinterp/corefcn/oct-prcstrm.h,
libinterp/corefcn/oct-procbuf.cc, libinterp/corefcn/oct-procbuf.h,
libinterp/corefcn/oct-stdstrm.h, libinterp/corefcn/oct-stream.cc,
libinterp/corefcn/oct-stream.h, libinterp/corefcn/oct-strstrm.cc,
libinterp/corefcn/oct-strstrm.h, libinterp/corefcn/oct-tex-lexer.in.ll,
libinterp/corefcn/oct-tex-parser.in.yy, libinterp/corefcn/oct.h,
libinterp/corefcn/octave-default-image.h, libinterp/corefcn/octave-link.cc,
libinterp/corefcn/octave-link.h,
libinterp/corefcn/octave-preserve-stream-state.h,
libinterp/corefcn/ordschur.cc, libinterp/corefcn/pager.cc,
libinterp/corefcn/pager.h, libinterp/corefcn/pinv.cc,
libinterp/corefcn/pr-output.cc, libinterp/corefcn/pr-output.h,
libinterp/corefcn/procstream.cc, libinterp/corefcn/procstream.h,
libinterp/corefcn/profiler.cc, libinterp/corefcn/profiler.h,
libinterp/corefcn/psi.cc, libinterp/corefcn/pt-jit.cc,
libinterp/corefcn/pt-jit.h, libinterp/corefcn/quad.cc,
libinterp/corefcn/quadcc.cc, libinterp/corefcn/qz.cc,
libinterp/corefcn/rand.cc, libinterp/corefcn/rcond.cc,
libinterp/corefcn/regexp.cc, libinterp/corefcn/schur.cc,
libinterp/corefcn/sighandlers.cc, libinterp/corefcn/sighandlers.h,
libinterp/corefcn/sparse-xdiv.cc, libinterp/corefcn/sparse-xdiv.h,
libinterp/corefcn/sparse-xpow.cc, libinterp/corefcn/sparse-xpow.h,
libinterp/corefcn/sparse.cc, libinterp/corefcn/spparms.cc,
libinterp/corefcn/sqrtm.cc, libinterp/corefcn/str2double.cc,
libinterp/corefcn/strfind.cc, libinterp/corefcn/strfns.cc,
libinterp/corefcn/sub2ind.cc, libinterp/corefcn/svd.cc,
libinterp/corefcn/sylvester.cc, libinterp/corefcn/symtab.cc,
libinterp/corefcn/symtab.h, libinterp/corefcn/syscalls.cc,
libinterp/corefcn/sysdep.cc, libinterp/corefcn/sysdep.h,
libinterp/corefcn/text-renderer.cc, libinterp/corefcn/text-renderer.h,
libinterp/corefcn/time.cc, libinterp/corefcn/toplev.cc,
libinterp/corefcn/toplev.h, libinterp/corefcn/tril.cc,
libinterp/corefcn/tsearch.cc, libinterp/corefcn/txt-eng.cc,
libinterp/corefcn/txt-eng.h, libinterp/corefcn/typecast.cc,
libinterp/corefcn/urlwrite.cc, libinterp/corefcn/utils.cc,
libinterp/corefcn/utils.h, libinterp/corefcn/variables.cc,
libinterp/corefcn/variables.h, libinterp/corefcn/workspace-element.h,
libinterp/corefcn/xdiv.cc, libinterp/corefcn/xdiv.h,
libinterp/corefcn/xnorm.cc, libinterp/corefcn/xnorm.h,
libinterp/corefcn/xpow.cc, libinterp/corefcn/xpow.h,
libinterp/corefcn/zfstream.cc, libinterp/corefcn/zfstream.h,
libinterp/deprecated-config.h, libinterp/dldfcn/__delaunayn__.cc,
libinterp/dldfcn/__eigs__.cc, libinterp/dldfcn/__fltk_uigetfile__.cc,
libinterp/dldfcn/__glpk__.cc, libinterp/dldfcn/__init_fltk__.cc,
libinterp/dldfcn/__init_gnuplot__.cc, libinterp/dldfcn/__osmesa_print__.cc,
libinterp/dldfcn/__voronoi__.cc, libinterp/dldfcn/amd.cc,
libinterp/dldfcn/audiodevinfo.cc, libinterp/dldfcn/audioread.cc,
libinterp/dldfcn/ccolamd.cc, libinterp/dldfcn/chol.cc,
libinterp/dldfcn/colamd.cc, libinterp/dldfcn/convhulln.cc,
libinterp/dldfcn/dmperm.cc, libinterp/dldfcn/fftw.cc, libinterp/dldfcn/gzip.cc,
libinterp/dldfcn/oct-qhull.h, libinterp/dldfcn/qr.cc,
libinterp/dldfcn/symbfact.cc, libinterp/dldfcn/symrcm.cc, libinterp/gendoc.pl,
libinterp/genprops.awk, libinterp/liboctinterp-build-info.h,
libinterp/liboctinterp-build-info.in.cc, libinterp/mk-errno-list,
libinterp/mk-pkg-add, libinterp/mkops, libinterp/octave-value/ov-base-diag.cc,
libinterp/octave-value/ov-base-diag.h, libinterp/octave-value/ov-base-int.cc,
libinterp/octave-value/ov-base-int.h, libinterp/octave-value/ov-base-mat.cc,
libinterp/octave-value/ov-base-mat.h, libinterp/octave-value/ov-base-scalar.cc,
libinterp/octave-value/ov-base-scalar.h,
libinterp/octave-value/ov-base-sparse.cc,
libinterp/octave-value/ov-base-sparse.h, libinterp/octave-value/ov-base.cc,
libinterp/octave-value/ov-base.h, libinterp/octave-value/ov-bool-mat.cc,
libinterp/octave-value/ov-bool-mat.h, libinterp/octave-value/ov-bool-sparse.cc,
libinterp/octave-value/ov-bool-sparse.h, libinterp/octave-value/ov-bool.cc,
libinterp/octave-value/ov-bool.h, libinterp/octave-value/ov-builtin.cc,
libinterp/octave-value/ov-builtin.h, libinterp/octave-value/ov-cell.cc,
libinterp/octave-value/ov-cell.h, libinterp/octave-value/ov-ch-mat.cc,
libinterp/octave-value/ov-ch-mat.h, libinterp/octave-value/ov-class.cc,
libinterp/octave-value/ov-class.h, libinterp/octave-value/ov-classdef.cc,
libinterp/octave-value/ov-classdef.h, libinterp/octave-value/ov-colon.cc,
libinterp/octave-value/ov-colon.h, libinterp/octave-value/ov-complex.cc,
libinterp/octave-value/ov-complex.h, libinterp/octave-value/ov-cs-list.cc,
libinterp/octave-value/ov-cs-list.h, libinterp/octave-value/ov-cx-diag.cc,
libinterp/octave-value/ov-cx-diag.h, libinterp/octave-value/ov-cx-mat.cc,
libinterp/octave-value/ov-cx-mat.h, libinterp/octave-value/ov-cx-sparse.cc,
libinterp/octave-value/ov-cx-sparse.h, libinterp/octave-value/ov-dld-fcn.cc,
libinterp/octave-value/ov-dld-fcn.h, libinterp/octave-value/ov-fcn-handle.cc,
libinterp/octave-value/ov-fcn-handle.h,
libinterp/octave-value/ov-fcn-inline.cc,
libinterp/octave-value/ov-fcn-inline.h, libinterp/octave-value/ov-fcn.cc,
libinterp/octave-value/ov-fcn.h, libinterp/octave-value/ov-float.cc,
libinterp/octave-value/ov-float.h, libinterp/octave-value/ov-flt-complex.cc,
libinterp/octave-value/ov-flt-complex.h,
libinterp/octave-value/ov-flt-cx-diag.cc,
libinterp/octave-value/ov-flt-cx-diag.h,
libinterp/octave-value/ov-flt-cx-mat.cc,
libinterp/octave-value/ov-flt-cx-mat.h,
libinterp/octave-value/ov-flt-re-diag.cc,
libinterp/octave-value/ov-flt-re-diag.h,
libinterp/octave-value/ov-flt-re-mat.cc,
libinterp/octave-value/ov-flt-re-mat.h, libinterp/octave-value/ov-int-traits.h,
libinterp/octave-value/ov-int16.cc, libinterp/octave-value/ov-int16.h,
libinterp/octave-value/ov-int32.cc, libinterp/octave-value/ov-int32.h,
libinterp/octave-value/ov-int64.cc, libinterp/octave-value/ov-int64.h,
libinterp/octave-value/ov-int8.cc, libinterp/octave-value/ov-int8.h,
libinterp/octave-value/ov-intx.h, libinterp/octave-value/ov-java.cc,
libinterp/octave-value/ov-java.h, libinterp/octave-value/ov-lazy-idx.cc,
libinterp/octave-value/ov-lazy-idx.h, libinterp/octave-value/ov-mex-fcn.cc,
libinterp/octave-value/ov-mex-fcn.h, libinterp/octave-value/ov-null-mat.cc,
libinterp/octave-value/ov-null-mat.h, libinterp/octave-value/ov-oncleanup.cc,
libinterp/octave-value/ov-oncleanup.h, libinterp/octave-value/ov-perm.cc,
libinterp/octave-value/ov-perm.h, libinterp/octave-value/ov-range.cc,
libinterp/octave-value/ov-range.h, libinterp/octave-value/ov-re-diag.cc,
libinterp/octave-value/ov-re-diag.h, libinterp/octave-value/ov-re-mat.cc,
libinterp/octave-value/ov-re-mat.h, libinterp/octave-value/ov-re-sparse.cc,
libinterp/octave-value/ov-re-sparse.h, libinterp/octave-value/ov-scalar.cc,
libinterp/octave-value/ov-scalar.h, libinterp/octave-value/ov-str-mat.cc,
libinterp/octave-value/ov-str-mat.h, libinterp/octave-value/ov-struct.cc,
libinterp/octave-value/ov-struct.h, libinterp/octave-value/ov-typeinfo.cc,
libinterp/octave-value/ov-typeinfo.h, libinterp/octave-value/ov-uint16.cc,
libinterp/octave-value/ov-uint16.h, libinterp/octave-value/ov-uint32.cc,
libinterp/octave-value/ov-uint32.h, libinterp/octave-value/ov-uint64.cc,
libinterp/octave-value/ov-uint64.h, libinterp/octave-value/ov-uint8.cc,
libinterp/octave-value/ov-uint8.h, libinterp/octave-value/ov-usr-fcn.cc,
libinterp/octave-value/ov-usr-fcn.h, libinterp/octave-value/ov.cc,
libinterp/octave-value/ov.h, libinterp/octave-value/ovl.cc,
libinterp/octave-value/ovl.h, libinterp/octave.cc, libinterp/octave.h,
libinterp/op-kw-docs, libinterp/operators/op-b-b.cc,
libinterp/operators/op-b-bm.cc, libinterp/operators/op-b-sbm.cc,
libinterp/operators/op-bm-b.cc, libinterp/operators/op-bm-bm.cc,
libinterp/operators/op-bm-sbm.cc, libinterp/operators/op-cdm-cdm.cc,
libinterp/operators/op-cdm-cm.cc, libinterp/operators/op-cdm-cs.cc,
libinterp/operators/op-cdm-dm.cc, libinterp/operators/op-cdm-m.cc,
libinterp/operators/op-cdm-s.cc, libinterp/operators/op-cell.cc,
libinterp/operators/op-chm.cc, libinterp/operators/op-class.cc,
libinterp/operators/op-cm-cdm.cc, libinterp/operators/op-cm-cm.cc,
libinterp/operators/op-cm-cs.cc, libinterp/operators/op-cm-dm.cc,
libinterp/operators/op-cm-m.cc, libinterp/operators/op-cm-pm.cc,
libinterp/operators/op-cm-s.cc, libinterp/operators/op-cm-scm.cc,
libinterp/operators/op-cm-sm.cc, libinterp/operators/op-cs-cm.cc,
libinterp/operators/op-cs-cs.cc, libinterp/operators/op-cs-m.cc,
libinterp/operators/op-cs-s.cc, libinterp/operators/op-cs-scm.cc,
libinterp/operators/op-cs-sm.cc, libinterp/operators/op-dm-cdm.cc,
libinterp/operators/op-dm-cm.cc, libinterp/operators/op-dm-cs.cc,
libinterp/operators/op-dm-dm.cc, libinterp/operators/op-dm-m.cc,
libinterp/operators/op-dm-s.cc, libinterp/operators/op-dm-scm.cc,
libinterp/operators/op-dm-sm.cc, libinterp/operators/op-dm-template.cc,
libinterp/operators/op-dms-template.cc, libinterp/operators/op-fcdm-fcdm.cc,
libinterp/operators/op-fcdm-fcm.cc, libinterp/operators/op-fcdm-fcs.cc,
libinterp/operators/op-fcdm-fdm.cc, libinterp/operators/op-fcdm-fm.cc,
libinterp/operators/op-fcdm-fs.cc, libinterp/operators/op-fcm-fcdm.cc,
libinterp/operators/op-fcm-fcm.cc, libinterp/operators/op-fcm-fcs.cc,
libinterp/operators/op-fcm-fdm.cc, libinterp/operators/op-fcm-fm.cc,
libinterp/operators/op-fcm-fs.cc, libinterp/operators/op-fcm-pm.cc,
libinterp/operators/op-fcn.cc, libinterp/operators/op-fcs-fcm.cc,
libinterp/operators/op-fcs-fcs.cc, libinterp/operators/op-fcs-fm.cc,
libinterp/operators/op-fcs-fs.cc, libinterp/operators/op-fdm-fcdm.cc,
libinterp/operators/op-fdm-fcm.cc, libinterp/operators/op-fdm-fcs.cc,
libinterp/operators/op-fdm-fdm.cc, libinterp/operators/op-fdm-fm.cc,
libinterp/operators/op-fdm-fs.cc, libinterp/operators/op-fm-fcdm.cc,
libinterp/operators/op-fm-fcm.cc, libinterp/operators/op-fm-fcs.cc,
libinterp/operators/op-fm-fdm.cc, libinterp/operators/op-fm-fm.cc,
libinterp/operators/op-fm-fs.cc, libinterp/operators/op-fm-pm.cc,
libinterp/operators/op-fs-fcm.cc, libinterp/operators/op-fs-fcs.cc,
libinterp/operators/op-fs-fm.cc, libinterp/operators/op-fs-fs.cc,
libinterp/operators/op-i16-i16.cc, libinterp/operators/op-i32-i32.cc,
libinterp/operators/op-i64-i64.cc, libinterp/operators/op-i8-i8.cc,
libinterp/operators/op-int-concat.cc, libinterp/operators/op-int.h,
libinterp/operators/op-m-cdm.cc, libinterp/operators/op-m-cm.cc,
libinterp/operators/op-m-cs.cc, libinterp/operators/op-m-dm.cc,
libinterp/operators/op-m-m.cc, libinterp/operators/op-m-pm.cc,
libinterp/operators/op-m-s.cc, libinterp/operators/op-m-scm.cc,
libinterp/operators/op-m-sm.cc, libinterp/operators/op-pm-cm.cc,
libinterp/operators/op-pm-fcm.cc, libinterp/operators/op-pm-fm.cc,
libinterp/operators/op-pm-m.cc, libinterp/operators/op-pm-pm.cc,
libinterp/operators/op-pm-scm.cc, libinterp/operators/op-pm-sm.cc,
libinterp/operators/op-pm-template.cc, libinterp/operators/op-range.cc,
libinterp/operators/op-s-cm.cc, libinterp/operators/op-s-cs.cc,
libinterp/operators/op-s-m.cc, libinterp/operators/op-s-s.cc,
libinterp/operators/op-s-scm.cc, libinterp/operators/op-s-sm.cc,
libinterp/operators/op-sbm-b.cc, libinterp/operators/op-sbm-bm.cc,
libinterp/operators/op-sbm-sbm.cc, libinterp/operators/op-scm-cm.cc,
libinterp/operators/op-scm-cs.cc, libinterp/operators/op-scm-m.cc,
libinterp/operators/op-scm-s.cc, libinterp/operators/op-scm-scm.cc,
libinterp/operators/op-scm-sm.cc, libinterp/operators/op-sm-cm.cc,
libinterp/operators/op-sm-cs.cc, libinterp/operators/op-sm-m.cc,
libinterp/operators/op-sm-s.cc, libinterp/operators/op-sm-scm.cc,
libinterp/operators/op-sm-sm.cc, libinterp/operators/op-str-m.cc,
libinterp/operators/op-str-s.cc, libinterp/operators/op-str-str.cc,
libinterp/operators/op-struct.cc, libinterp/operators/op-ui16-ui16.cc,
libinterp/operators/op-ui32-ui32.cc, libinterp/operators/op-ui64-ui64.cc,
libinterp/operators/op-ui8-ui8.cc, libinterp/operators/ops.h,
libinterp/options-usage.h, libinterp/parse-tree/lex.h,
libinterp/parse-tree/lex.ll, libinterp/parse-tree/oct-parse.in.yy,
libinterp/parse-tree/octave.gperf, libinterp/parse-tree/parse.h,
libinterp/parse-tree/pt-all.h, libinterp/parse-tree/pt-arg-list.cc,
libinterp/parse-tree/pt-arg-list.h, libinterp/parse-tree/pt-array-list.cc,
libinterp/parse-tree/pt-array-list.h, libinterp/parse-tree/pt-assign.cc,
libinterp/parse-tree/pt-assign.h, libinterp/parse-tree/pt-binop.cc,
libinterp/parse-tree/pt-binop.h, libinterp/parse-tree/pt-bp.cc,
libinterp/parse-tree/pt-bp.h, libinterp/parse-tree/pt-cbinop.cc,
libinterp/parse-tree/pt-cbinop.h, libinterp/parse-tree/pt-cell.cc,
libinterp/parse-tree/pt-cell.h, libinterp/parse-tree/pt-check.cc,
libinterp/parse-tree/pt-check.h, libinterp/parse-tree/pt-classdef.cc,
libinterp/parse-tree/pt-classdef.h, libinterp/parse-tree/pt-cmd.cc,
libinterp/parse-tree/pt-cmd.h, libinterp/parse-tree/pt-colon.cc,
libinterp/parse-tree/pt-colon.h, libinterp/parse-tree/pt-const.cc,
libinterp/parse-tree/pt-const.h, libinterp/parse-tree/pt-decl.cc,
libinterp/parse-tree/pt-decl.h, libinterp/parse-tree/pt-eval.cc,
libinterp/parse-tree/pt-eval.h, libinterp/parse-tree/pt-except.cc,
libinterp/parse-tree/pt-except.h, libinterp/parse-tree/pt-exp.cc,
libinterp/parse-tree/pt-exp.h, libinterp/parse-tree/pt-fcn-handle.cc,
libinterp/parse-tree/pt-fcn-handle.h, libinterp/parse-tree/pt-funcall.cc,
libinterp/parse-tree/pt-funcall.h, libinterp/parse-tree/pt-id.cc,
libinterp/parse-tree/pt-id.h, libinterp/parse-tree/pt-idx.cc,
libinterp/parse-tree/pt-idx.h, libinterp/parse-tree/pt-jump.cc,
libinterp/parse-tree/pt-jump.h, libinterp/parse-tree/pt-loop.cc,
libinterp/parse-tree/pt-loop.h, libinterp/parse-tree/pt-mat.cc,
libinterp/parse-tree/pt-mat.h, libinterp/parse-tree/pt-misc.cc,
libinterp/parse-tree/pt-misc.h, libinterp/parse-tree/pt-pr-code.cc,
libinterp/parse-tree/pt-pr-code.h, libinterp/parse-tree/pt-select.cc,
libinterp/parse-tree/pt-select.h, libinterp/parse-tree/pt-stmt.cc,
libinterp/parse-tree/pt-stmt.h, libinterp/parse-tree/pt-unop.cc,
libinterp/parse-tree/pt-unop.h, libinterp/parse-tree/pt-walk.h,
libinterp/parse-tree/pt.cc, libinterp/parse-tree/pt.h,
libinterp/parse-tree/token.cc, libinterp/parse-tree/token.h,
libinterp/template-inst/Array-jit.cc, libinterp/template-inst/Array-tc.cc,
libinterp/version.cc, libinterp/version.in.h, liboctave/array/Array-C.cc,
liboctave/array/Array-b.cc, liboctave/array/Array-ch.cc,
liboctave/array/Array-d.cc, liboctave/array/Array-f.cc,
liboctave/array/Array-fC.cc, liboctave/array/Array-i.cc,
liboctave/array/Array-idx-vec.cc, liboctave/array/Array-s.cc,
liboctave/array/Array-str.cc, liboctave/array/Array-util.cc,
liboctave/array/Array-util.h, liboctave/array/Array-voidp.cc,
liboctave/array/Array.cc, liboctave/array/Array.h,
liboctave/array/CColVector.cc, liboctave/array/CColVector.h,
liboctave/array/CDiagMatrix.cc, liboctave/array/CDiagMatrix.h,
liboctave/array/CMatrix.cc, liboctave/array/CMatrix.h,
liboctave/array/CNDArray.cc, liboctave/array/CNDArray.h,
liboctave/array/CRowVector.cc, liboctave/array/CRowVector.h,
liboctave/array/CSparse.cc, liboctave/array/CSparse.h,
liboctave/array/DiagArray2.cc, liboctave/array/DiagArray2.h,
liboctave/array/MArray-C.cc, liboctave/array/MArray-d.cc,
liboctave/array/MArray-f.cc, liboctave/array/MArray-fC.cc,
liboctave/array/MArray-i.cc, liboctave/array/MArray-s.cc,
liboctave/array/MArray.cc, liboctave/array/MArray.h,
liboctave/array/MDiagArray2.cc, liboctave/array/MDiagArray2.h,
liboctave/array/MSparse-C.cc, liboctave/array/MSparse-d.cc,
liboctave/array/MSparse.cc, liboctave/array/MSparse.h,
liboctave/array/Matrix.h, liboctave/array/MatrixType.cc,
liboctave/array/MatrixType.h, liboctave/array/PermMatrix.cc,
liboctave/array/PermMatrix.h, liboctave/array/Range.cc,
liboctave/array/Range.h, liboctave/array/Sparse-C.cc,
liboctave/array/Sparse-b.cc, liboctave/array/Sparse-d.cc,
liboctave/array/Sparse.cc, liboctave/array/Sparse.h,
liboctave/array/boolMatrix.cc, liboctave/array/boolMatrix.h,
liboctave/array/boolNDArray.cc, liboctave/array/boolNDArray.h,
liboctave/array/boolSparse.cc, liboctave/array/boolSparse.h,
liboctave/array/chMatrix.cc, liboctave/array/chMatrix.h,
liboctave/array/chNDArray.cc, liboctave/array/chNDArray.h,
liboctave/array/dColVector.cc, liboctave/array/dColVector.h,
liboctave/array/dDiagMatrix.cc, liboctave/array/dDiagMatrix.h,
liboctave/array/dMatrix.cc, liboctave/array/dMatrix.h,
liboctave/array/dNDArray.cc, liboctave/array/dNDArray.h,
liboctave/array/dRowVector.cc, liboctave/array/dRowVector.h,
liboctave/array/dSparse.cc, liboctave/array/dSparse.h,
liboctave/array/dim-vector.cc, liboctave/array/dim-vector.h,
liboctave/array/fCColVector.cc, liboctave/array/fCColVector.h,
liboctave/array/fCDiagMatrix.cc, liboctave/array/fCDiagMatrix.h,
liboctave/array/fCMatrix.cc, liboctave/array/fCMatrix.h,
liboctave/array/fCNDArray.cc, liboctave/array/fCNDArray.h,
liboctave/array/fCRowVector.cc, liboctave/array/fCRowVector.h,
liboctave/array/fColVector.cc, liboctave/array/fColVector.h,
liboctave/array/fDiagMatrix.cc, liboctave/array/fDiagMatrix.h,
liboctave/array/fMatrix.cc, liboctave/array/fMatrix.h,
liboctave/array/fNDArray.cc, liboctave/array/fNDArray.h,
liboctave/array/fRowVector.cc, liboctave/array/fRowVector.h,
liboctave/array/idx-vector.cc, liboctave/array/idx-vector.h,
liboctave/array/int16NDArray.cc, liboctave/array/int16NDArray.h,
liboctave/array/int32NDArray.cc, liboctave/array/int32NDArray.h,
liboctave/array/int64NDArray.cc, liboctave/array/int64NDArray.h,
liboctave/array/int8NDArray.cc, liboctave/array/int8NDArray.h,
liboctave/array/intNDArray.cc, liboctave/array/intNDArray.h,
liboctave/array/uint16NDArray.cc, liboctave/array/uint16NDArray.h,
liboctave/array/uint32NDArray.cc, liboctave/array/uint32NDArray.h,
liboctave/array/uint64NDArray.cc, liboctave/array/uint64NDArray.h,
liboctave/array/uint8NDArray.cc, liboctave/array/uint8NDArray.h,
liboctave/cruft/misc/blaswrap.c, liboctave/cruft/misc/cquit.c,
liboctave/cruft/misc/f77-extern.cc, liboctave/cruft/misc/f77-fcn.c,
liboctave/cruft/misc/f77-fcn.h, liboctave/cruft/misc/lo-error.c,
liboctave/cruft/misc/lo-error.h, liboctave/cruft/misc/quit.cc,
liboctave/cruft/misc/quit.h, liboctave/liboctave-build-info.h,
liboctave/liboctave-build-info.in.cc, liboctave/numeric/CollocWt.cc,
liboctave/numeric/CollocWt.h, liboctave/numeric/DAE.h,
liboctave/numeric/DAEFunc.h, liboctave/numeric/DAERT.h,
liboctave/numeric/DAERTFunc.h, liboctave/numeric/DASPK-opts.in,
liboctave/numeric/DASPK.cc, liboctave/numeric/DASPK.h,
liboctave/numeric/DASRT-opts.in, liboctave/numeric/DASRT.cc,
liboctave/numeric/DASRT.h, liboctave/numeric/DASSL-opts.in,
liboctave/numeric/DASSL.cc, liboctave/numeric/DASSL.h, liboctave/numeric/DET.h,
liboctave/numeric/EIG.cc, liboctave/numeric/EIG.h,
liboctave/numeric/LSODE-opts.in, liboctave/numeric/LSODE.cc,
liboctave/numeric/LSODE.h, liboctave/numeric/ODE.h,
liboctave/numeric/ODEFunc.h, liboctave/numeric/ODES.cc,
liboctave/numeric/ODES.h, liboctave/numeric/ODESFunc.h,
liboctave/numeric/Quad-opts.in, liboctave/numeric/Quad.cc,
liboctave/numeric/Quad.h, liboctave/numeric/aepbalance.cc,
liboctave/numeric/aepbalance.h, liboctave/numeric/base-dae.h,
liboctave/numeric/base-de.h, liboctave/numeric/base-min.h,
liboctave/numeric/bsxfun-decl.h, liboctave/numeric/bsxfun-defs.cc,
liboctave/numeric/bsxfun.h, liboctave/numeric/chol.cc,
liboctave/numeric/chol.h, liboctave/numeric/eigs-base.cc,
liboctave/numeric/eigs-base.h, liboctave/numeric/fEIG.cc,
liboctave/numeric/fEIG.h, liboctave/numeric/gepbalance.cc,
liboctave/numeric/gepbalance.h, liboctave/numeric/gsvd.cc,
liboctave/numeric/gsvd.h, liboctave/numeric/hess.cc, liboctave/numeric/hess.h,
liboctave/numeric/lo-amos-proto.h, liboctave/numeric/lo-arpack-proto.h,
liboctave/numeric/lo-blas-proto.h, liboctave/numeric/lo-fftpack-proto.h,
liboctave/numeric/lo-lapack-proto.h, liboctave/numeric/lo-mappers.cc,
liboctave/numeric/lo-mappers.h, liboctave/numeric/lo-qrupdate-proto.h,
liboctave/numeric/lo-ranlib-proto.h, liboctave/numeric/lo-slatec-proto.h,
liboctave/numeric/lo-specfun.cc, liboctave/numeric/lo-specfun.h,
liboctave/numeric/lu.cc, liboctave/numeric/lu.h,
liboctave/numeric/oct-convn.cc, liboctave/numeric/oct-convn.h,
liboctave/numeric/oct-fftw.cc, liboctave/numeric/oct-fftw.h,
liboctave/numeric/oct-norm.cc, liboctave/numeric/oct-norm.h,
liboctave/numeric/oct-rand.cc, liboctave/numeric/oct-rand.h,
liboctave/numeric/oct-spparms.cc, liboctave/numeric/oct-spparms.h,
liboctave/numeric/qr.cc, liboctave/numeric/qr.h, liboctave/numeric/qrp.cc,
liboctave/numeric/qrp.h, liboctave/numeric/randgamma.cc,
liboctave/numeric/randgamma.h, liboctave/numeric/randmtzig.cc,
liboctave/numeric/randmtzig.h, liboctave/numeric/randpoisson.cc,
liboctave/numeric/randpoisson.h, liboctave/numeric/schur.cc,
liboctave/numeric/schur.h, liboctave/numeric/sparse-chol.cc,
liboctave/numeric/sparse-chol.h, liboctave/numeric/sparse-dmsolve.cc,
liboctave/numeric/sparse-dmsolve.h, liboctave/numeric/sparse-lu.cc,
liboctave/numeric/sparse-lu.h, liboctave/numeric/sparse-qr.cc,
liboctave/numeric/sparse-qr.h, liboctave/numeric/svd.cc,
liboctave/numeric/svd.h, liboctave/operators/Sparse-diag-op-defs.h,
liboctave/operators/Sparse-op-decls.h, liboctave/operators/Sparse-op-defs.h,
liboctave/operators/Sparse-perm-op-defs.h, liboctave/operators/mk-ops.awk,
liboctave/operators/mx-base.h, liboctave/operators/mx-defs.h,
liboctave/operators/mx-ext.h, liboctave/operators/mx-inlines.cc,
liboctave/operators/mx-op-decl.h, liboctave/operators/mx-op-defs.h,
liboctave/operators/mx-ops, liboctave/operators/smx-ops,
liboctave/operators/vx-ops, liboctave/system/child-list.cc,
liboctave/system/child-list.h, liboctave/system/dir-ops.cc,
liboctave/system/dir-ops.h, liboctave/system/file-ops.cc,
liboctave/system/file-ops.h, liboctave/system/file-stat.cc,
liboctave/system/file-stat.h, liboctave/system/lo-sysdep.cc,
liboctave/system/lo-sysdep.h, liboctave/system/mach-info.cc,
liboctave/system/mach-info.h, liboctave/system/oct-env.cc,
liboctave/system/oct-env.h, liboctave/system/oct-group.cc,
liboctave/system/oct-group.h, liboctave/system/oct-passwd.cc,
liboctave/system/oct-passwd.h, liboctave/system/oct-syscalls.cc,
liboctave/system/oct-syscalls.h, liboctave/system/oct-time.cc,
liboctave/system/oct-time.h, liboctave/system/oct-uname.cc,
liboctave/system/oct-uname.h, liboctave/util/action-container.h,
liboctave/util/base-list.h, liboctave/util/byte-swap.h,
liboctave/util/caseless-str.h, liboctave/util/cmd-edit.cc,
liboctave/util/cmd-edit.h, liboctave/util/cmd-hist.cc,
liboctave/util/cmd-hist.h, liboctave/util/data-conv.cc,
liboctave/util/data-conv.h, liboctave/util/f2c-main.c,
liboctave/util/functor.h, liboctave/util/glob-match.cc,
liboctave/util/glob-match.h, liboctave/util/kpse.cc, liboctave/util/kpse.h,
liboctave/util/lo-array-errwarn.cc, liboctave/util/lo-array-errwarn.h,
liboctave/util/lo-array-gripes.cc, liboctave/util/lo-array-gripes.h,
liboctave/util/lo-cutils.c, liboctave/util/lo-cutils.h,
liboctave/util/lo-hash.cc, liboctave/util/lo-hash.h, liboctave/util/lo-ieee.cc,
liboctave/util/lo-ieee.h, liboctave/util/lo-macros.h, liboctave/util/lo-math.h,
liboctave/util/lo-regexp.cc, liboctave/util/lo-regexp.h,
liboctave/util/lo-traits.h, liboctave/util/lo-utils.cc,
liboctave/util/lo-utils.h, liboctave/util/oct-alloc.h,
liboctave/util/oct-base64.cc, liboctave/util/oct-base64.h,
liboctave/util/oct-binmap.h, liboctave/util/oct-cmplx.h,
liboctave/util/oct-glob.cc, liboctave/util/oct-glob.h,
liboctave/util/oct-inttypes-fwd.h, liboctave/util/oct-inttypes.cc,
liboctave/util/oct-inttypes.h, liboctave/util/oct-locbuf.cc,
liboctave/util/oct-locbuf.h, liboctave/util/oct-mutex.cc,
liboctave/util/oct-mutex.h, liboctave/util/oct-refcount.h,
liboctave/util/oct-rl-edit.c, liboctave/util/oct-rl-edit.h,
liboctave/util/oct-rl-hist.c, liboctave/util/oct-rl-hist.h,
liboctave/util/oct-shlib.cc, liboctave/util/oct-shlib.h,
liboctave/util/oct-sort.cc, liboctave/util/oct-sort.h,
liboctave/util/oct-sparse.h, liboctave/util/oct-string.cc,
liboctave/util/oct-string.h, liboctave/util/pathsearch.cc,
liboctave/util/pathsearch.h, liboctave/util/singleton-cleanup.cc,
liboctave/util/sparse-sort.cc, liboctave/util/sparse-sort.h,
liboctave/util/sparse-util.cc, liboctave/util/sparse-util.h,
liboctave/util/str-vec.cc, liboctave/util/str-vec.h,
liboctave/util/sun-utils.h, liboctave/util/unwind-prot.cc,
liboctave/util/unwind-prot.h, liboctave/util/url-transfer.cc,
liboctave/util/url-transfer.h, liboctave/wrappers/areadlink-wrapper.c,
liboctave/wrappers/areadlink-wrapper.h,
liboctave/wrappers/async-system-wrapper.c,
liboctave/wrappers/async-system-wrapper.h,
liboctave/wrappers/base64-wrappers.c, liboctave/wrappers/base64-wrappers.h,
liboctave/wrappers/canonicalize-file-name-wrapper.c,
liboctave/wrappers/canonicalize-file-name-wrapper.h,
liboctave/wrappers/dirent-wrappers.c, liboctave/wrappers/dirent-wrappers.h,
liboctave/wrappers/fcntl-wrappers.c, liboctave/wrappers/fcntl-wrappers.h,
liboctave/wrappers/filepos-wrappers.c, liboctave/wrappers/filepos-wrappers.h,
liboctave/wrappers/fpucw-wrappers.c, liboctave/wrappers/fpucw-wrappers.h,
liboctave/wrappers/gen-tempname-wrapper.c,
liboctave/wrappers/gen-tempname-wrapper.h, liboctave/wrappers/getopt-wrapper.c,
liboctave/wrappers/getopt-wrapper.h, liboctave/wrappers/glob-wrappers.c,
liboctave/wrappers/glob-wrappers.h, liboctave/wrappers/hash-wrappers.c,
liboctave/wrappers/hash-wrappers.h, liboctave/wrappers/math-wrappers.c,
liboctave/wrappers/math-wrappers.h, liboctave/wrappers/mkostemp-wrapper.c,
liboctave/wrappers/mkostemp-wrapper.h, liboctave/wrappers/nanosleep-wrapper.c,
liboctave/wrappers/nanosleep-wrapper.h, liboctave/wrappers/nproc-wrapper.c,
liboctave/wrappers/nproc-wrapper.h, liboctave/wrappers/octave-popen2.c,
liboctave/wrappers/octave-popen2.h, liboctave/wrappers/putenv-wrapper.c,
liboctave/wrappers/putenv-wrapper.h,
liboctave/wrappers/set-program-name-wrapper.c,
liboctave/wrappers/set-program-name-wrapper.h,
liboctave/wrappers/signal-wrappers.c, liboctave/wrappers/signal-wrappers.h,
liboctave/wrappers/stat-wrappers.c, liboctave/wrappers/stat-wrappers.h,
liboctave/wrappers/strdup-wrapper.c, liboctave/wrappers/strdup-wrapper.h,
liboctave/wrappers/strftime-wrapper.c, liboctave/wrappers/strftime-wrapper.h,
liboctave/wrappers/strmode-wrapper.c, liboctave/wrappers/strmode-wrapper.h,
liboctave/wrappers/strptime-wrapper.c, liboctave/wrappers/strptime-wrapper.h,
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liboctave/wrappers/tmpfile-wrapper.c, liboctave/wrappers/tmpfile-wrapper.h,
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liboctave/wrappers/unistd-wrappers.c, liboctave/wrappers/unistd-wrappers.h,
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liboctave/wrappers/vasprintf-wrapper.c, liboctave/wrappers/vasprintf-wrapper.h,
liboctave/wrappers/wait-for-input.c, liboctave/wrappers/wait-for-input.h,
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Use the same Copyright formatting throughout Octave.
author | Rik <rik@octave.org> |
---|---|
date | Sun, 13 Nov 2016 20:33:47 -0800 |
parents | 34ce5be04942 |
children | 0b1e25cc4457 |
line wrap: on
line source
/* Copyright (C) 2013-2016 Carnë Draug Copyright (C) 2002-2016 Andy Adler Copyright (C) 2008 Thomas L. Scofield Copyright (C) 2010 David Grundberg This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include "file-stat.h" #include "oct-env.h" #include "oct-time.h" #include "defun.h" #include "error.h" #include "ov-struct.h" #include "errwarn.h" #if defined (HAVE_MAGICK) #include <Magick++.h> #include <clocale> // In theory, it should be enough to check the class: // Magick::ClassType // PseudoClass: // Image is composed of pixels which specify an index in a color palette. // DirectClass: // Image is composed of pixels which represent literal color values. // // GraphicsMagick does not really distinguishes between indexed and // normal images. After reading a file, it decides itself the optimal // way to store the image in memory, independently of the how the // image was stored in the file. That's what ClassType returns. While // it seems to match the original file most of the times, this is // not necessarily true all the times. See // https://sourceforge.net/mailarchive/message.php?msg_id=31180507 // In addition to the ClassType, there is also ImageType which has a // type for indexed images (PaletteType and PaletteMatteType). However, // they also don't represent the original image. Not only does DirectClass // can have a PaletteType, but also does a PseudoClass have non Palette // types. // // We can't do better without having format specific code which is // what we are trying to avoid by using a library such as GM. We at // least create workarounds for the most common problems. // // 1) A grayscale jpeg image can report being indexed even though the // JPEG format has no support for indexed images. We can at least // fix this one. // 2) A PNG file is only an indexed image if color type orig is 3 (value comes // from libpng) static bool is_indexed (const Magick::Image& img) { bool indexed = (img.classType () == Magick::PseudoClass); // Our problem until now is non-indexed images, being represented as indexed // by GM. The following attempts educated guesses to undo this optimization. if (indexed) { const std::string fmt = img.magick (); if (fmt == "JPEG") // The JPEG format does not support indexed images, but GM sometimes // reports grayscale JPEG as indexed. Always false for JPEG. indexed = false; else if (fmt == "PNG") { // Newer versions of GM (at least does not happens with 1.3.16) will // store values from the underlying library as image attributes. In // the case of PNG files, this is libpng where an indexed image will // always have a value of 3 for "color-type-orig". This property // always has a value in libpng so if we get nothing, we assume this // GM version does not store them and we have to go with whatever // GM PseudoClass says. const std::string color_type = const_cast<Magick::Image&> (img).attribute ("PNG:IHDR.color-type-orig"); if (! color_type.empty() && color_type != "3") indexed = false; } } return indexed; } // The depth from depth() is not always correct for us but seems to be the // best value we can get. For example, a grayscale png image with 1 bit // per channel should return a depth of 1 but instead we get 8. // We could check channelDepth() but then, which channel has the data // is not straightforward. So we'd have to check all // the channels and select the highest value. But then, I also // have a 16bit TIFF whose depth returns 16 (correct), but all of the // channels gives 8 (wrong). No idea why, maybe a bug in GM? // Anyway, using depth() seems that only causes problems for binary // images, and the problem with channelDepth() is not making set them // all to 1. So we will guess that if all channels have depth of 1, // then we must have a binary image. // Note that we can't use AllChannels it doesn't work for this. // We also can't check only one from RGB, one from CMYK, and grayscale // and transparency, we really need to check all of the channels (bug #41584). static octave_idx_type get_depth (Magick::Image& img) { octave_idx_type depth = img.depth (); if (depth == 8 && img.channelDepth (Magick::RedChannel) == 1 && img.channelDepth (Magick::GreenChannel) == 1 && img.channelDepth (Magick::BlueChannel) == 1 && img.channelDepth (Magick::CyanChannel) == 1 && img.channelDepth (Magick::MagentaChannel) == 1 && img.channelDepth (Magick::YellowChannel) == 1 && img.channelDepth (Magick::BlackChannel) == 1 && img.channelDepth (Magick::OpacityChannel) == 1 && img.channelDepth (Magick::GrayChannel) == 1) depth = 1; return depth; } // We need this in case one of the sides of the image being read has // width 1. In those cases, the type will come as scalar instead of range // since that's the behavior of the colon operator (1:1:1 will be a scalar, // not a range). static Range get_region_range (const octave_value& region) { Range output; if (region.is_range ()) output = region.range_value (); else if (region.is_scalar_type ()) { double value = region.scalar_value (); output = Range (value, value); } else error ("__magick_read__: unknown datatype for Region option"); return output; } static std::map<std::string, octave_idx_type> calculate_region (const octave_scalar_map& options) { std::map<std::string, octave_idx_type> region; const Cell pixel_region = options.getfield ("region").cell_value (); // Subtract 1 to account for 0 indexing. const Range rows = get_region_range (pixel_region (0)); const Range cols = get_region_range (pixel_region (1)); region["row_start"] = rows.base () -1; region["col_start"] = cols.base () -1; region["row_end"] = rows.max () -1; region["col_end"] = cols.max () -1; // Length of the area to load into the Image Pixel Cache. We use max and // min to account for cases where last element of range is the range limit. region["row_cache"] = region["row_end"] - region["row_start"] +1; region["col_cache"] = region["col_end"] - region["col_start"] +1; // How much we have to shift in the memory when doing the loops. region["row_shift"] = region["col_cache"] * rows.inc (); region["col_shift"] = region["col_cache"] * (region["row_cache"] + rows.inc () -1) - cols.inc (); // The actual height and width of the output image region["row_out"] = rows.numel (); region["col_out"] = cols.numel (); return region; } static octave_value_list read_maps (Magick::Image& img) { // can't call colorMapSize on const Magick::Image const octave_idx_type mapsize = img.colorMapSize (); Matrix cmap = Matrix (mapsize, 3); // colormap ColumnVector amap = ColumnVector (mapsize); // alpha map for (octave_idx_type i = 0; i < mapsize; i++) { const Magick::ColorRGB c = img.colorMap (i); cmap(i,0) = c.red (); cmap(i,1) = c.green (); cmap(i,2) = c.blue (); amap(i) = c.alpha (); } octave_value_list maps; maps(0) = cmap; maps(1) = amap; return maps; } template <typename T> static octave_value_list read_indexed_images (const std::vector<Magick::Image>& imvec, const Array<octave_idx_type>& frameidx, const octave_idx_type& nargout, const octave_scalar_map& options) { typedef typename T::element_type P; octave_value_list retval (1); std::map<std::string, octave_idx_type> region = calculate_region (options); const octave_idx_type nFrames = frameidx.numel (); const octave_idx_type nRows = region["row_out"]; const octave_idx_type nCols = region["col_out"]; // imvec has all of the pages of a file, even the ones we are not // interested in. We will use the first image that we will be actually // reading to get information about the image. const octave_idx_type def_elem = frameidx(0); T img = T (dim_vector (nRows, nCols, 1, nFrames)); P* img_fvec = img.fortran_vec (); const octave_idx_type row_start = region["row_start"]; const octave_idx_type col_start = region["col_start"]; const octave_idx_type row_shift = region["row_shift"]; const octave_idx_type col_shift = region["col_shift"]; const octave_idx_type row_cache = region["row_cache"]; const octave_idx_type col_cache = region["col_cache"]; // When reading PixelPackets from the Image Pixel Cache, they come in // row major order. So we keep moving back and forth there so we can // write the image in column major order. octave_idx_type idx = 0; for (octave_idx_type frame = 0; frame < nFrames; frame++) { OCTAVE_QUIT; imvec[frameidx(frame)].getConstPixels (col_start, row_start, col_cache, row_cache); const Magick::IndexPacket *pix = imvec[frameidx(frame)].getConstIndexes (); for (octave_idx_type col = 0; col < nCols; col++) { for (octave_idx_type row = 0; row < nRows; row++) { img_fvec[idx++] = static_cast<P> (*pix); pix += row_shift; } pix -= col_shift; } } retval(0) = octave_value (img); // Only bother reading the colormap if it was requested as output. if (nargout > 1) { // In theory, it should be possible for each frame of an image to // have different colormaps but for Matlab compatibility, we only // return the colormap of the first frame. To obtain the colormaps // of different frames, one needs can either use imfinfo or a for // loop around imread. const octave_value_list maps = read_maps (const_cast<Magick::Image&> (imvec[frameidx(def_elem)])); retval(1) = maps(0); // only interpret alpha channel if it exists and was requested as output if (imvec[def_elem].matte () && nargout >= 3) { const Matrix amap = maps(1).matrix_value (); const double* amap_fvec = amap.fortran_vec (); NDArray alpha (dim_vector (nRows, nCols, 1, nFrames)); double* alpha_fvec = alpha.fortran_vec (); // GraphicsMagick stores the alpha values inverted, i.e., // 1 for transparent and 0 for opaque so we fix that here. const octave_idx_type nPixels = alpha.numel (); for (octave_idx_type pix = 0; pix < nPixels; pix++) alpha_fvec[pix] = 1 - amap_fvec[static_cast<int> (img_fvec[3])]; retval(2) = alpha; } } return retval; } // This function is highly repetitive, a bunch of for loops that are // very similar to account for different image types. They are different // enough that trying to reduce the copy and paste would decrease its // readability too much. template <typename T> octave_value_list read_images (std::vector<Magick::Image>& imvec, const Array<octave_idx_type>& frameidx, const octave_idx_type& nargout, const octave_scalar_map& options) { typedef typename T::element_type P; octave_value_list retval (3, Matrix ()); std::map<std::string, octave_idx_type> region = calculate_region (options); const octave_idx_type nFrames = frameidx.numel (); const octave_idx_type nRows = region["row_out"]; const octave_idx_type nCols = region["col_out"]; T img; // imvec has all of the pages of a file, even the ones we are not // interested in. We will use the first image that we will be actually // reading to get information about the image. const octave_idx_type def_elem = frameidx(0); const octave_idx_type row_start = region["row_start"]; const octave_idx_type col_start = region["col_start"]; const octave_idx_type row_shift = region["row_shift"]; const octave_idx_type col_shift = region["col_shift"]; const octave_idx_type row_cache = region["row_cache"]; const octave_idx_type col_cache = region["col_cache"]; // GraphicsMagick (GM) keeps the image values in memory using whatever // QuantumDepth it was built with independently of the original image // bitdepth. Basically this means that if GM was built with quantum 16 // all values are scaled in the uint16 range. If the original image // had an 8 bit depth, we need to rescale it for that range. // However, if the image had a bitdepth of 32, then we will be returning // a floating point image. In this case, the values need to be rescaled // for the range [0 1] (this is what Matlab has documented on the page // about image types but in some cases seems to be doing something else. // See bug #39249). // Finally, we must do the division ourselves (set a divisor) instead of // using quantumOperator for the cases where we will be returning floating // point and want things in the range [0 1]. This is the same reason why // the divisor is of type double. // uint64_t is used in expression because default 32-bit value overflows // when depth() is 32. // FIXME: in the next release of GraphicsMagick, MaxRGB should be replaced // with QuantumRange since MaxRGB is already deprecated in ImageMagick. double divisor; if (imvec[def_elem].depth () == 32) divisor = std::numeric_limits<uint32_t>::max (); else divisor = MaxRGB / ((uint64_t (1) << imvec[def_elem].depth ()) - 1); // FIXME: this workaround should probably be fixed in GM by creating a // new ImageType BilevelMatteType // Despite what GM documentation claims, opacity is not only on the types // with Matte on the name. It is possible that an image is completely // black (1 color), and have a second channel set for transparency (2nd // color). Its type will be bilevel since there is no BilevelMatte. The // only way to check for this seems to be by checking matte (). Magick::ImageType type = imvec[def_elem].type (); if (type == Magick::BilevelType && imvec[def_elem].matte ()) type = Magick::GrayscaleMatteType; // FIXME: ImageType is the type being used to represent the image in memory // by GM. The real type may be different (see among others bug #36820). For // example, a png file where all channels are equal may report being // grayscale or even bilevel. But we must always return the real image in // file. In some cases, the original image attributes are stored in the // attributes but this is undocumented. This should be fixed in GM so that // a method such as original_type returns an actual Magick::ImageType if (imvec[0].magick () == "PNG") { // These values come from libpng, not GM: // Grayscale = 0 // Palette = 2 + 1 // RGB = 2 // RGB + Alpha = 2 + 4 // Grayscale + Alpha = 4 // We won't bother with case 3 (palette) since those should be // read by the function to read indexed images const std::string type_str = imvec[0].attribute ("PNG:IHDR.color-type-orig"); if (type_str == "0") type = Magick::GrayscaleType; else if (type_str == "2") type = Magick::TrueColorType; else if (type_str == "6") type = Magick::TrueColorMatteType; else if (type_str == "4") type = Magick::GrayscaleMatteType; // Color types 0, 2, and 3 can also have alpha channel, conveyed // via the "tRNS" chunk. For 0 and 2, it's limited to GIF-style // binary transparency, while 3 can have any level of alpha per // palette entry. We thus must check matte() to see if the image // really doesn't have an alpha channel. if (imvec[0].matte ()) { if (type == Magick::GrayscaleType) type = Magick::GrayscaleMatteType; else if (type == Magick::TrueColorType) type = Magick::TrueColorMatteType; } } // If the alpha channel was not requested, treat images as if // it doesn't exist. if (nargout < 3) { switch (type) { case Magick::GrayscaleMatteType: type = Magick::GrayscaleType; break; case Magick::PaletteMatteType: type = Magick::PaletteType; break; case Magick::TrueColorMatteType: type = Magick::TrueColorType; break; case Magick::ColorSeparationMatteType: type = Magick::ColorSeparationType; break; default: // Do nothing other than silencing warnings about enumeration // values not being handled in switch. ; } } const octave_idx_type color_stride = nRows * nCols; switch (type) { case Magick::BilevelType: // Monochrome bi-level image case Magick::GrayscaleType: // Grayscale image { img = T (dim_vector (nRows, nCols, 1, nFrames)); P *img_fvec = img.fortran_vec (); octave_idx_type idx = 0; for (octave_idx_type frame = 0; frame < nFrames; frame++) { OCTAVE_QUIT; const Magick::PixelPacket *pix = imvec[frameidx(frame)].getConstPixels (col_start, row_start, col_cache, row_cache); for (octave_idx_type col = 0; col < nCols; col++) { for (octave_idx_type row = 0; row < nRows; row++) { img_fvec[idx++] = pix->red / divisor; pix += row_shift; } pix -= col_shift; } } break; } case Magick::GrayscaleMatteType: // Grayscale image with opacity { img = T (dim_vector (nRows, nCols, 1, nFrames)); T alpha (dim_vector (nRows, nCols, 1, nFrames)); P *img_fvec = img.fortran_vec (); P *a_fvec = alpha.fortran_vec (); octave_idx_type idx = 0; for (octave_idx_type frame = 0; frame < nFrames; frame++) { OCTAVE_QUIT; const Magick::PixelPacket *pix = imvec[frameidx(frame)].getConstPixels (col_start, row_start, col_cache, row_cache); for (octave_idx_type col = 0; col < nCols; col++) { for (octave_idx_type row = 0; row < nRows; row++) { img_fvec[idx] = pix->red / divisor; a_fvec[idx] = (MaxRGB - pix->opacity) / divisor; pix += row_shift; idx++; } pix -= col_shift; } } retval(2) = alpha; break; } case Magick::PaletteType: // Indexed color (palette) image case Magick::TrueColorType: // Truecolor image { img = T (dim_vector (nRows, nCols, 3, nFrames)); P *img_fvec = img.fortran_vec (); const octave_idx_type frame_stride = color_stride * 3; for (octave_idx_type frame = 0; frame < nFrames; frame++) { OCTAVE_QUIT; const Magick::PixelPacket *pix = imvec[frameidx(frame)].getConstPixels (col_start, row_start, col_cache, row_cache); octave_idx_type idx = 0; P *rbuf = img_fvec; P *gbuf = img_fvec + color_stride; P *bbuf = img_fvec + color_stride * 2; for (octave_idx_type col = 0; col < nCols; col++) { for (octave_idx_type row = 0; row < nRows; row++) { rbuf[idx] = pix->red / divisor; gbuf[idx] = pix->green / divisor; bbuf[idx] = pix->blue / divisor; pix += row_shift; idx++; } pix -= col_shift; } img_fvec += frame_stride; } break; } case Magick::PaletteMatteType: // Indexed color image with opacity case Magick::TrueColorMatteType: // Truecolor image with opacity { img = T (dim_vector (nRows, nCols, 3, nFrames)); T alpha (dim_vector (nRows, nCols, 1, nFrames)); P *img_fvec = img.fortran_vec (); P *a_fvec = alpha.fortran_vec (); const octave_idx_type frame_stride = color_stride * 3; // Unlike the index for the other channels, this one won't need // to be reset on each frame since it's a separate matrix. octave_idx_type a_idx = 0; for (octave_idx_type frame = 0; frame < nFrames; frame++) { OCTAVE_QUIT; const Magick::PixelPacket *pix = imvec[frameidx(frame)].getConstPixels (col_start, row_start, col_cache, row_cache); octave_idx_type idx = 0; P *rbuf = img_fvec; P *gbuf = img_fvec + color_stride; P *bbuf = img_fvec + color_stride * 2; for (octave_idx_type col = 0; col < nCols; col++) { for (octave_idx_type row = 0; row < nRows; row++) { rbuf[idx] = pix->red / divisor; gbuf[idx] = pix->green / divisor; bbuf[idx] = pix->blue / divisor; a_fvec[a_idx++] = (MaxRGB - pix->opacity) / divisor; pix += row_shift; idx++; } pix -= col_shift; } img_fvec += frame_stride; } retval(2) = alpha; break; } case Magick::ColorSeparationType: // Cyan/Magenta/Yellow/Black (CMYK) image { img = T (dim_vector (nRows, nCols, 4, nFrames)); P *img_fvec = img.fortran_vec (); const octave_idx_type frame_stride = color_stride * 4; for (octave_idx_type frame = 0; frame < nFrames; frame++) { OCTAVE_QUIT; const Magick::PixelPacket *pix = imvec[frameidx(frame)].getConstPixels (col_start, row_start, col_cache, row_cache); octave_idx_type idx = 0; P *cbuf = img_fvec; P *mbuf = img_fvec + color_stride; P *ybuf = img_fvec + color_stride * 2; P *kbuf = img_fvec + color_stride * 3; for (octave_idx_type col = 0; col < nCols; col++) { for (octave_idx_type row = 0; row < nRows; row++) { cbuf[idx] = pix->red / divisor; mbuf[idx] = pix->green / divisor; ybuf[idx] = pix->blue / divisor; kbuf[idx] = pix->opacity / divisor; pix += row_shift; idx++; } pix -= col_shift; } img_fvec += frame_stride; } break; } // Cyan, magenta, yellow, and black with alpha (opacity) channel case Magick::ColorSeparationMatteType: { img = T (dim_vector (nRows, nCols, 4, nFrames)); T alpha (dim_vector (nRows, nCols, 1, nFrames)); P *img_fvec = img.fortran_vec (); P *a_fvec = alpha.fortran_vec (); const octave_idx_type frame_stride = color_stride * 4; // Unlike the index for the other channels, this one won't need // to be reset on each frame since it's a separate matrix. octave_idx_type a_idx = 0; for (octave_idx_type frame = 0; frame < nFrames; frame++) { OCTAVE_QUIT; const Magick::PixelPacket *pix = imvec[frameidx(frame)].getConstPixels (col_start, row_start, col_cache, row_cache); // Note that for CMYKColorspace + matte (CMYKA), the opacity is // stored in the assocated IndexPacket. const Magick::IndexPacket *apix = imvec[frameidx(frame)].getConstIndexes (); octave_idx_type idx = 0; P *cbuf = img_fvec; P *mbuf = img_fvec + color_stride; P *ybuf = img_fvec + color_stride * 2; P *kbuf = img_fvec + color_stride * 3; for (octave_idx_type col = 0; col < nCols; col++) { for (octave_idx_type row = 0; row < nRows; row++) { cbuf[idx] = pix->red / divisor; mbuf[idx] = pix->green / divisor; ybuf[idx] = pix->blue / divisor; kbuf[idx] = pix->opacity / divisor; a_fvec[a_idx++] = (MaxRGB - *apix) / divisor; pix += row_shift; idx++; } pix -= col_shift; } img_fvec += frame_stride; } retval(2) = alpha; break; } default: error ("__magick_read__: unknown Magick++ image type"); } retval(0) = img; return retval; } // Read a file into vector of image objects. void static read_file (const std::string& filename, std::vector<Magick::Image>& imvec) { try { Magick::readImages (&imvec, filename); } catch (Magick::Warning& w) { warning ("Magick++ warning: %s", w.what ()); } catch (Magick::Exception& e) { error ("Magick++ exception: %s", e.what ()); } } static void maybe_initialize_magick (void) { static bool initialized = false; if (! initialized) { // Save locale as GraphicsMagick might change this (fixed in // GraphicsMagick since version 1.3.13 released on December 24, 2011) const char *static_locale = setlocale (LC_ALL, NULL); const std::string locale (static_locale); const std::string program_name = octave::sys::env::get_program_invocation_name (); Magick::InitializeMagick (program_name.c_str ()); // Restore locale from before GraphicsMagick initialisation setlocale (LC_ALL, locale.c_str ()); // Why should we give a warning? // Magick does not tell us the real bitdepth of the image in file. // The best we can have is the minimum between the bitdepth of the // file and the quantum depth. So we never know if the file will // actually be read correctly so we warn the user that it might // be limited. // // Why we warn if < 16 instead of < 32 ? // The reasons for < 32 is simply that it's the maximum quantum // depth they support. However, very few people would actually // need such support while being a major inconvenience to anyone // else (8 bit images suddenly taking 4x more space will be // critical for multi page images). It would also suggests that // it covers all images which does not (it still does not support // float point and signed integer images). // On the other hand, 16bit images are much more common. If quantum // depth is 8, there's a good chance that we will be limited. It // is also the GraphicsMagick recommended setting and the default // for ImageMagick. if (QuantumDepth < 16) warning_with_id ("Octave:GraphicsMagic-Quantum-Depth", "your version of %s limits images to %d bits per pixel\n", MagickPackageName, QuantumDepth); initialized = true; } } #endif DEFUN (__magick_read__, args, nargout, doc: /* -*- texinfo -*- @deftypefn {} {[@var{img}, @var{map}, @var{alpha}] =} __magick_read__ (@var{fname}, @var{options}) Read image with GraphicsMagick or ImageMagick. This is a private internal function not intended for direct use. Use @code{imread} instead. @seealso{imfinfo, imformats, imread, imwrite} @end deftypefn */) { #if defined (HAVE_MAGICK) if (args.length () != 2 || ! args(0).is_string ()) print_usage (); maybe_initialize_magick (); const octave_scalar_map options = args(1).xscalar_map_value ("__magick_read__: OPTIONS must be a struct"); octave_value_list output; std::vector<Magick::Image> imvec; read_file (args(0).string_value (), imvec); // Prepare an Array with the indexes for the requested frames. const octave_idx_type nFrames = imvec.size (); Array<octave_idx_type> frameidx; const octave_value indexes = options.getfield ("index"); if (indexes.is_string () && indexes.string_value () == "all") { frameidx.resize (dim_vector (1, nFrames)); for (octave_idx_type i = 0; i < nFrames; i++) frameidx(i) = i; } else { frameidx = indexes.xint_vector_value ("__magick_read__: invalid value for Index/Frame"); // Fix indexes from base 1 to base 0, and at the same time, make // sure none of the indexes is outside the range of image number. const octave_idx_type n = frameidx.numel (); for (octave_idx_type i = 0; i < n; i++) { frameidx(i)--; if (frameidx(i) < 0 || frameidx(i) > nFrames - 1) { // We do this check inside the loop because frameidx does not // need to be ordered (this is a feature and even allows for // some frames to be read multiple times). error ("imread: index/frames specified are outside the number of images"); } } } // Check that all frames have the same size. We don't do this at the same // time we decode the image because that's done in many different places, // to cover the different types of images which would lead to a lot of // copy and paste. { const unsigned int nRows = imvec[frameidx(0)].rows (); const unsigned int nCols = imvec[frameidx(0)].columns (); const octave_idx_type n = frameidx.numel (); for (octave_idx_type frame = 0; frame < n; frame++) { if (nRows != imvec[frameidx(frame)].rows () || nCols != imvec[frameidx(frame)].columns ()) { error ("imread: all frames must have the same size but frame %i is different", frameidx(frame) +1); } } } const octave_idx_type depth = get_depth (imvec[frameidx(0)]); if (is_indexed (imvec[frameidx(0)])) { if (depth <= 1) output = read_indexed_images<boolNDArray> (imvec, frameidx, nargout, options); else if (depth <= 8) output = read_indexed_images<uint8NDArray> (imvec, frameidx, nargout, options); else if (depth <= 16) output = read_indexed_images<uint16NDArray> (imvec, frameidx, nargout, options); else error ("imread: indexed images with depths greater than 16-bit are not supported"); } else { if (depth <= 1) output = read_images<boolNDArray> (imvec, frameidx, nargout, options); else if (depth <= 8) output = read_images<uint8NDArray> (imvec, frameidx, nargout, options); else if (depth <= 16) output = read_images<uint16NDArray> (imvec, frameidx, nargout, options); else if (depth <= 32) output = read_images<FloatNDArray> (imvec, frameidx, nargout, options); else error ("imread: reading of images with %i-bit depth is not supported", depth); } return output; #else octave_unused_parameter (args); octave_unused_parameter (nargout); err_disabled_feature ("imread", "Image IO"); #endif } /* ## No test needed for internal helper function. %!assert (1) */ #if defined (HAVE_MAGICK) template <typename T> static uint32NDArray img_float2uint (const T& img) { typedef typename T::element_type P; uint32NDArray out (img.dims ()); octave_uint32* out_fvec = out.fortran_vec (); const P* img_fvec = img.fortran_vec (); const octave_uint32 max = octave_uint32::max (); const octave_idx_type numel = img.numel (); for (octave_idx_type idx = 0; idx < numel; idx++) out_fvec[idx] = img_fvec[idx] * max; return out; } // Gets the bitdepth to be used for an Octave class, i.e, returns 8 for // uint8, 16 for uint16, and 32 for uint32 template <typename T> static octave_idx_type bitdepth_from_class () { typedef typename T::element_type P; const octave_idx_type bitdepth = sizeof (P) * std::numeric_limits<unsigned char>::digits; return bitdepth; } static Magick::Image init_enconde_image (const octave_idx_type& nCols, const octave_idx_type& nRows, const octave_idx_type& bitdepth, const Magick::ImageType& type, const Magick::ClassType& klass) { Magick::Image img (Magick::Geometry (nCols, nRows), "black"); // Ensure that there are no other references to this image. img.modifyImage (); img.classType (klass); img.type (type); // FIXME: for some reason, setting bitdepth doesn't seem to work for // indexed images. img.depth (bitdepth); switch (type) { case Magick::GrayscaleMatteType: case Magick::TrueColorMatteType: case Magick::ColorSeparationMatteType: case Magick::PaletteMatteType: img.matte (true); break; default: img.matte (false); } return img; } template <typename T> static void encode_indexed_images (std::vector<Magick::Image>& imvec, const T& img, const Matrix& cmap) { typedef typename T::element_type P; const octave_idx_type nFrames = img.ndims () < 4 ? 1 : img.dims ()(3); const octave_idx_type nRows = img.rows (); const octave_idx_type nCols = img.columns (); const octave_idx_type cmap_size = cmap.rows (); const octave_idx_type bitdepth = bitdepth_from_class<T> (); // There is no colormap object, we need to build a new one for each frame, // even if it's always the same. We can least get a vector for the Colors. std::vector<Magick::ColorRGB> colormap; { const double* cmap_fvec = cmap.fortran_vec (); const octave_idx_type G_offset = cmap_size; const octave_idx_type B_offset = cmap_size * 2; for (octave_idx_type map_idx = 0; map_idx < cmap_size; map_idx++) colormap.push_back (Magick::ColorRGB (cmap_fvec[map_idx], cmap_fvec[map_idx + G_offset], cmap_fvec[map_idx + B_offset])); } for (octave_idx_type frame = 0; frame < nFrames; frame++) { OCTAVE_QUIT; Magick::Image m_img = init_enconde_image (nCols, nRows, bitdepth, Magick::PaletteType, Magick::PseudoClass); // Insert colormap. m_img.colorMapSize (cmap_size); for (octave_idx_type map_idx = 0; map_idx < cmap_size; map_idx++) m_img.colorMap (map_idx, colormap[map_idx]); // Why are we also setting the pixel values instead of only the // index values? We don't know if a file format supports indexed // images. If we only set the indexes and then try to save the // image as JPEG for example, the indexed values get discarded, // there is no conversion from the indexes, it's the initial values // that get used. An alternative would be to only set the pixel // values (no indexes), then set the image as PseudoClass and GM // would create a colormap for us. However, we wouldn't have control // over the order of that colormap. And that's why we set both. Magick::PixelPacket* pix = m_img.getPixels (0, 0, nCols, nRows); Magick::IndexPacket* ind = m_img.getIndexes (); const P* img_fvec = img.fortran_vec (); octave_idx_type GM_idx = 0; for (octave_idx_type column = 0; column < nCols; column++) { for (octave_idx_type row = 0; row < nRows; row++) { ind[GM_idx] = double (*img_fvec); pix[GM_idx] = m_img.colorMap (double (*img_fvec)); img_fvec++; GM_idx += nCols; } GM_idx -= nCols * nRows - 1; } // Save changes to underlying image. m_img.syncPixels (); imvec.push_back (m_img); } } static void encode_bool_image (std::vector<Magick::Image>& imvec, const boolNDArray& img) { const octave_idx_type nFrames = img.ndims () < 4 ? 1 : img.dims ()(3); const octave_idx_type nRows = img.rows (); const octave_idx_type nCols = img.columns (); // The initialized image will be black, this is for the other pixels const Magick::Color white ("white"); const bool *img_fvec = img.fortran_vec (); octave_idx_type img_idx = 0; for (octave_idx_type frame = 0; frame < nFrames; frame++) { OCTAVE_QUIT; // For some reason, we can't set the type to Magick::BilevelType or // the output image will be black, changing to white has no effect. // However, this will still work fine and a binary image will be // saved because we are setting the bitdepth to 1. Magick::Image m_img = init_enconde_image (nCols, nRows, 1, Magick::GrayscaleType, Magick::DirectClass); Magick::PixelPacket *pix = m_img.getPixels (0, 0, nCols, nRows); octave_idx_type GM_idx = 0; for (octave_idx_type col = 0; col < nCols; col++) { for (octave_idx_type row = 0; row < nRows; row++) { if (img_fvec[img_idx]) pix[GM_idx] = white; img_idx++; GM_idx += nCols; } GM_idx -= nCols * nRows - 1; } // Save changes to underlying image. m_img.syncPixels (); // While we could not set it to Bilevel at the start, we can do it // here otherwise some coders won't save it as binary. m_img.type (Magick::BilevelType); imvec.push_back (m_img); } } template <typename T> static void encode_uint_image (std::vector<Magick::Image>& imvec, const T& img, const T& alpha) { typedef typename T::element_type P; const octave_idx_type channels = img.ndims () < 3 ? 1 : img.dims ()(2); const octave_idx_type nFrames = img.ndims () < 4 ? 1 : img.dims ()(3); const octave_idx_type nRows = img.rows (); const octave_idx_type nCols = img.columns (); const octave_idx_type bitdepth = bitdepth_from_class<T> (); Magick::ImageType type; const bool has_alpha = ! alpha.is_empty (); switch (channels) { case 1: if (has_alpha) type = Magick::GrayscaleMatteType; else type = Magick::GrayscaleType; break; case 3: if (has_alpha) type = Magick::TrueColorMatteType; else type = Magick::TrueColorType; break; case 4: if (has_alpha) type = Magick::ColorSeparationMatteType; else type = Magick::ColorSeparationType; break; default: // __imwrite should have already filtered this cases error ("__magick_write__: wrong size on 3rd dimension"); } // We will be passing the values as integers with depth as specified // by QuantumDepth (maximum value specified by MaxRGB). This is independent // of the actual depth of the image. GM will then convert the values but // while in memory, it always keeps the values as specified by QuantumDepth. // From GM documentation: // Color arguments are must be scaled to fit the Quantum size according to // the range of MaxRGB const double divisor = static_cast<double>((uint64_t (1) << bitdepth) - 1) / MaxRGB; const P *img_fvec = img.fortran_vec (); const P *a_fvec = alpha.fortran_vec (); switch (type) { case Magick::GrayscaleType: { for (octave_idx_type frame = 0; frame < nFrames; frame++) { OCTAVE_QUIT; Magick::Image m_img = init_enconde_image (nCols, nRows, bitdepth, type, Magick::DirectClass); Magick::PixelPacket *pix = m_img.getPixels (0, 0, nCols, nRows); octave_idx_type GM_idx = 0; for (octave_idx_type col = 0; col < nCols; col++) { for (octave_idx_type row = 0; row < nRows; row++) { const double grey = octave::math::round (double (*img_fvec) / divisor); Magick::Color c (grey, grey, grey); pix[GM_idx] = c; img_fvec++; GM_idx += nCols; } GM_idx -= nCols * nRows - 1; } // Save changes to underlying image. m_img.syncPixels (); imvec.push_back (m_img); } break; } case Magick::GrayscaleMatteType: { for (octave_idx_type frame = 0; frame < nFrames; frame++) { OCTAVE_QUIT; Magick::Image m_img = init_enconde_image (nCols, nRows, bitdepth, type, Magick::DirectClass); Magick::PixelPacket *pix = m_img.getPixels (0, 0, nCols, nRows); octave_idx_type GM_idx = 0; for (octave_idx_type col = 0; col < nCols; col++) { for (octave_idx_type row = 0; row < nRows; row++) { double grey = octave::math::round (double (*img_fvec) / divisor); Magick::Color c (grey, grey, grey, MaxRGB - octave::math::round (double (*a_fvec) / divisor)); pix[GM_idx] = c; img_fvec++; a_fvec++; GM_idx += nCols; } GM_idx -= nCols * nRows - 1; } // Save changes to underlying image. m_img.syncPixels (); imvec.push_back (m_img); } break; } case Magick::TrueColorType: { // The fortran_vec offset for the green and blue channels const octave_idx_type G_offset = nCols * nRows; const octave_idx_type B_offset = nCols * nRows * 2; for (octave_idx_type frame = 0; frame < nFrames; frame++) { OCTAVE_QUIT; Magick::Image m_img = init_enconde_image (nCols, nRows, bitdepth, type, Magick::DirectClass); Magick::PixelPacket *pix = m_img.getPixels (0, 0, nCols, nRows); octave_idx_type GM_idx = 0; for (octave_idx_type col = 0; col < nCols; col++) { for (octave_idx_type row = 0; row < nRows; row++) { Magick::Color c (octave::math::round (double (*img_fvec) / divisor), octave::math::round (double (img_fvec[G_offset]) / divisor), octave::math::round (double (img_fvec[B_offset]) / divisor)); pix[GM_idx] = c; img_fvec++; GM_idx += nCols; } GM_idx -= nCols * nRows - 1; } // Save changes to underlying image. m_img.syncPixels (); imvec.push_back (m_img); img_fvec += B_offset; } break; } case Magick::TrueColorMatteType: { // The fortran_vec offset for the green and blue channels const octave_idx_type G_offset = nCols * nRows; const octave_idx_type B_offset = nCols * nRows * 2; for (octave_idx_type frame = 0; frame < nFrames; frame++) { OCTAVE_QUIT; Magick::Image m_img = init_enconde_image (nCols, nRows, bitdepth, type, Magick::DirectClass); Magick::PixelPacket *pix = m_img.getPixels (0, 0, nCols, nRows); octave_idx_type GM_idx = 0; for (octave_idx_type col = 0; col < nCols; col++) { for (octave_idx_type row = 0; row < nRows; row++) { Magick::Color c (octave::math::round (double (*img_fvec) / divisor), octave::math::round (double (img_fvec[G_offset]) / divisor), octave::math::round (double (img_fvec[B_offset]) / divisor), MaxRGB - octave::math::round (double (*a_fvec) / divisor)); pix[GM_idx] = c; img_fvec++; a_fvec++; GM_idx += nCols; } GM_idx -= nCols * nRows - 1; } // Save changes to underlying image. m_img.syncPixels (); imvec.push_back (m_img); img_fvec += B_offset; } break; } case Magick::ColorSeparationType: { // The fortran_vec offset for the Magenta, Yellow, and blacK channels const octave_idx_type M_offset = nCols * nRows; const octave_idx_type Y_offset = nCols * nRows * 2; const octave_idx_type K_offset = nCols * nRows * 3; for (octave_idx_type frame = 0; frame < nFrames; frame++) { OCTAVE_QUIT; Magick::Image m_img = init_enconde_image (nCols, nRows, bitdepth, type, Magick::DirectClass); Magick::PixelPacket *pix = m_img.getPixels (0, 0, nCols, nRows); octave_idx_type GM_idx = 0; for (octave_idx_type col = 0; col < nCols; col++) { for (octave_idx_type row = 0; row < nRows; row++) { Magick::Color c (octave::math::round (double (*img_fvec) / divisor), octave::math::round (double (img_fvec[M_offset]) / divisor), octave::math::round (double (img_fvec[Y_offset]) / divisor), octave::math::round (double (img_fvec[K_offset]) / divisor)); pix[GM_idx] = c; img_fvec++; GM_idx += nCols; } GM_idx -= nCols * nRows - 1; } // Save changes to underlying image. m_img.syncPixels (); imvec.push_back (m_img); img_fvec += K_offset; } break; } case Magick::ColorSeparationMatteType: { // The fortran_vec offset for the Magenta, Yellow, and blacK channels const octave_idx_type M_offset = nCols * nRows; const octave_idx_type Y_offset = nCols * nRows * 2; const octave_idx_type K_offset = nCols * nRows * 3; for (octave_idx_type frame = 0; frame < nFrames; frame++) { OCTAVE_QUIT; Magick::Image m_img = init_enconde_image (nCols, nRows, bitdepth, type, Magick::DirectClass); Magick::PixelPacket *pix = m_img.getPixels (0, 0, nCols, nRows); Magick::IndexPacket *ind = m_img.getIndexes (); octave_idx_type GM_idx = 0; for (octave_idx_type col = 0; col < nCols; col++) { for (octave_idx_type row = 0; row < nRows; row++) { Magick::Color c (octave::math::round (double (*img_fvec) / divisor), octave::math::round (double (img_fvec[M_offset]) / divisor), octave::math::round (double (img_fvec[Y_offset]) / divisor), octave::math::round (double (img_fvec[K_offset]) / divisor)); pix[GM_idx] = c; ind[GM_idx] = MaxRGB - octave::math::round (double (*a_fvec) / divisor); img_fvec++; a_fvec++; GM_idx += nCols; } GM_idx -= nCols * nRows - 1; } // Save changes to underlying image. m_img.syncPixels (); imvec.push_back (m_img); img_fvec += K_offset; } break; } default: error ("__magick_write__: unrecognized Magick::ImageType"); } return; } // Meant to be shared with both imfinfo and imwrite. static std::map<octave_idx_type, std::string> init_disposal_methods () { // GIF Specifications: // // Disposal Method - Indicates the way in which the graphic is to // be treated after being displayed. // // 0 - No disposal specified. The decoder is // not required to take any action. // 1 - Do not dispose. The graphic is to be left // in place. // 2 - Restore to background color. The area used by the // graphic must be restored to the background color. // 3 - Restore to previous. The decoder is required to // restore the area overwritten by the graphic with // what was there prior to rendering the graphic. // 4-7 - To be defined. static std::map<octave_idx_type, std::string> methods; if (methods.empty ()) { methods[0] = "doNotSpecify"; methods[1] = "leaveInPlace"; methods[2] = "restoreBG"; methods[3] = "restorePrevious"; } return methods; } static std::map<std::string, octave_idx_type> init_reverse_disposal_methods () { static std::map<std::string, octave_idx_type> methods; if (methods.empty ()) { methods["donotspecify"] = 0; methods["leaveinplace"] = 1; methods["restorebg"] = 2; methods["restoreprevious"] = 3; } return methods; } void static write_file (const std::string& filename, const std::string& ext, std::vector<Magick::Image>& imvec) { try { Magick::writeImages (imvec.begin (), imvec.end (), ext + ":" + filename); } catch (Magick::Warning& w) { warning ("Magick++ warning: %s", w.what ()); } catch (Magick::ErrorCoder& e) { warning ("Magick++ coder error: %s", e.what ()); } catch (Magick::Exception& e) { error ("Magick++ exception: %s", e.what ()); } } #endif DEFUN (__magick_write__, args, , doc: /* -*- texinfo -*- @deftypefn {} {} __magick_write__ (@var{fname}, @var{fmt}, @var{img}, @var{map}, @var{options}) Write image with GraphicsMagick or ImageMagick. This is a private internal function not intended for direct use. Use @code{imwrite} instead. @seealso{imfinfo, imformats, imread, imwrite} @end deftypefn */) { #if defined (HAVE_MAGICK) if (args.length () != 5 || ! args(0).is_string () || ! args(1).is_string ()) print_usage (); maybe_initialize_magick (); const std::string filename = args(0).string_value (); const std::string ext = args(1).string_value (); const octave_scalar_map options = args(4).xscalar_map_value ("__magick_write__: OPTIONS must be a struct"); const octave_value img = args(2); const Matrix cmap = args(3).xmatrix_value ("__magick_write__: invalid MAP"); std::vector<Magick::Image> imvec; if (cmap.is_empty ()) { const octave_value alpha = options.getfield ("alpha"); if (img.is_bool_type ()) encode_bool_image (imvec, img.bool_array_value ()); else if (img.is_uint8_type ()) encode_uint_image<uint8NDArray> (imvec, img.uint8_array_value (), alpha.uint8_array_value ()); else if (img.is_uint16_type ()) encode_uint_image<uint16NDArray> (imvec, img.uint16_array_value (), alpha.uint16_array_value ()); else if (img.is_uint32_type ()) encode_uint_image<uint32NDArray> (imvec, img.uint32_array_value (), alpha.uint32_array_value ()); else if (img.is_float_type ()) { // For image formats that support floating point values, we write // the actual values. For those who don't, we only use the values // on the range [0 1] and save integer values. // But here, even for formats that would support floating point // values, GM seems unable to do that so we at least make them uint32. uint32NDArray clip_img; uint32NDArray clip_alpha; if (img.is_single_type ()) { clip_img = img_float2uint<FloatNDArray> (img.float_array_value ()); clip_alpha = img_float2uint<FloatNDArray> (alpha.float_array_value ()); } else { clip_img = img_float2uint<NDArray> (img.array_value ()); clip_alpha = img_float2uint<NDArray> (alpha.array_value ()); } encode_uint_image<uint32NDArray> (imvec, clip_img, clip_alpha); } else error ("__magick_write__: image type not supported"); } else { // We should not get floating point indexed images here because we // converted them in __imwrite__.m. We should probably do it here // but it would look much messier. if (img.is_uint8_type ()) encode_indexed_images<uint8NDArray> (imvec, img.uint8_array_value (), cmap); else if (img.is_uint16_type ()) encode_indexed_images<uint16NDArray> (imvec, img.uint16_array_value (), cmap); else error ("__magick_write__: indexed image must be uint8, uint16 or float."); } static std::map<std::string, octave_idx_type> disposal_methods = init_reverse_disposal_methods (); const octave_idx_type nFrames = imvec.size (); const octave_idx_type quality = options.getfield ("quality").int_value (); const ColumnVector delaytime = options.getfield ("delaytime").column_vector_value (); const Array<std::string> disposalmethod = options.getfield ("disposalmethod").cellstr_value (); for (octave_idx_type i = 0; i < nFrames; i++) { imvec[i].quality (quality); imvec[i].animationDelay (delaytime(i)); imvec[i].gifDisposeMethod (disposal_methods[disposalmethod(i)]); } // If writemode is set to append, read the image and append to it. Even // if set to append, make sure that something was read at all. const std::string writemode = options.getfield ("writemode").string_value (); if (writemode == "append" && octave::sys::file_stat (filename).exists ()) { std::vector<Magick::Image> ini_imvec; read_file (filename, ini_imvec); if (ini_imvec.size () > 0) { ini_imvec.insert (ini_imvec.end (), imvec.begin (), imvec.end ()); ini_imvec.swap (imvec); } } // FIXME: LoopCount or animationIterations // How it should work: // // This value is only set for the first image in the sequence. Trying // to set this value with the append mode should have no effect, the // value used with the first image is the one that counts (that would // also be Matlab compatible). Thus, the right way to do this would be // to have an else block on the condition above, and set this only // when creating a new file. Since Matlab does not interpret a 4D // matrix as sequence of images to write, its users need to use a for // loop and set LoopCount only on the first iteration (it actually // throws warnings otherwise) // // Why is this not done the right way: // // When GM saves a single image, it discards the value if there is only // a single image and sets it to "no loop". Since our default is an // infinite loop, if the user tries to do it the Matlab way (setting // LoopCount only on the first image) that value will go nowhere. // See https://sourceforge.net/p/graphicsmagick/bugs/248/ // Because of this, we document to set LoopCount on every iteration // (in Matlab will cause a lot of warnings), or pass a 4D matrix with // all frames (won't work in Matlab at all). // Note that this only needs to be set on the first frame imvec[0].animationIterations (options.getfield ("loopcount").uint_value ()); const std::string compression = options.getfield ("compression").string_value (); #define COMPRESS_MAGICK_IMAGE_VECTOR(GM_TYPE) \ for (std::vector<Magick::Image>::size_type i = 0; i < imvec.size (); i++) \ imvec[i].compressType (GM_TYPE) if (compression == "none") COMPRESS_MAGICK_IMAGE_VECTOR (Magick::NoCompression); else if (compression == "bzip") COMPRESS_MAGICK_IMAGE_VECTOR (Magick::BZipCompression); else if (compression == "fax3") COMPRESS_MAGICK_IMAGE_VECTOR (Magick::FaxCompression); else if (compression == "fax4") COMPRESS_MAGICK_IMAGE_VECTOR (Magick::Group4Compression); else if (compression == "jpeg") COMPRESS_MAGICK_IMAGE_VECTOR (Magick::JPEGCompression); else if (compression == "lzw") COMPRESS_MAGICK_IMAGE_VECTOR (Magick::LZWCompression); else if (compression == "rle") COMPRESS_MAGICK_IMAGE_VECTOR (Magick::RLECompression); else if (compression == "deflate") COMPRESS_MAGICK_IMAGE_VECTOR (Magick::ZipCompression); #undef COMPRESS_MAGICK_IMAGE_VECTOR write_file (filename, ext, imvec); return ovl (); #else octave_unused_parameter (args); err_disabled_feature ("imwrite", "Image IO"); #endif } /* ## No test needed for internal helper function. %!assert (1) */ // Gets the minimum information from images such as its size and format. Much // faster than using imfinfo, which slows down a lot since. Note than without // this, we need to read the image once for imfinfo to set defaults (which is // done in Octave language), and then again for the actual reading. DEFUN (__magick_ping__, args, , doc: /* -*- texinfo -*- @deftypefn {} {} __magick_ping__ (@var{fname}, @var{idx}) Ping image information with GraphicsMagick or ImageMagick. This is a private internal function not intended for direct use. @seealso{imfinfo} @end deftypefn */) { #if defined (HAVE_MAGICK) if (args.length () < 1 || ! args(0).is_string ()) print_usage (); maybe_initialize_magick (); const std::string filename = args(0).string_value (); int idx; if (args.length () > 1) idx = args(1).int_value () -1; else idx = 0; Magick::Image img; img.subImage (idx); // start ping from this image (in case of multi-page) img.subRange (1); // ping only one of them try { img.ping (filename); } catch (Magick::Warning& w) { warning ("Magick++ warning: %s", w.what ()); } catch (Magick::Exception& e) { error ("Magick++ exception: %s", e.what ()); } static const char *fields[] = {"rows", "columns", "format", 0}; octave_scalar_map ping = octave_scalar_map (string_vector (fields)); ping.setfield ("rows", octave_value (img.rows ())); ping.setfield ("columns", octave_value (img.columns ())); ping.setfield ("format", octave_value (img.magick ())); return ovl (ping); #else octave_unused_parameter (args); err_disabled_feature ("imfinfo", "Image IO"); #endif } #if defined (HAVE_MAGICK) static octave_value magick_to_octave_value (const Magick::CompressionType& magick) { switch (magick) { case Magick::NoCompression: return octave_value ("none"); case Magick::BZipCompression: return octave_value ("bzip"); case Magick::FaxCompression: return octave_value ("fax3"); case Magick::Group4Compression: return octave_value ("fax4"); case Magick::JPEGCompression: return octave_value ("jpeg"); case Magick::LZWCompression: return octave_value ("lzw"); case Magick::RLECompression: // This is named "rle" for the HDF, but the same thing is named // "ccitt" and "PackBits" for binary and non-binary images in TIFF. return octave_value ("rle"); case Magick::ZipCompression: return octave_value ("deflate"); // The following are present only in recent versions of GraphicsMagick. // At the moment the only use of this would be to have imfinfo report // the compression method. In the future, someone could implement // the Compression option for imwrite in which case a macro in // configure.ac will have to check for their presence of this. // See bug #39913 // case Magick::LZMACompression: // return octave_value ("lzma"); // case Magick::JPEG2000Compression: // return octave_value ("jpeg2000"); // case Magick::JBIG1Compression: // return octave_value ("jbig1"); // case Magick::JBIG2Compression: // return octave_value ("jbig2"); default: return octave_value ("undefined"); } } static octave_value magick_to_octave_value (const Magick::EndianType& magick) { switch (magick) { case Magick::LSBEndian: return octave_value ("little-endian"); case Magick::MSBEndian: return octave_value ("big-endian"); default: return octave_value ("undefined"); } } static octave_value magick_to_octave_value (const Magick::OrientationType& magick) { switch (magick) { // Values come from the TIFF6 spec case Magick::TopLeftOrientation: return octave_value (1); case Magick::TopRightOrientation: return octave_value (2); case Magick::BottomRightOrientation: return octave_value (3); case Magick::BottomLeftOrientation: return octave_value (4); case Magick::LeftTopOrientation: return octave_value (5); case Magick::RightTopOrientation: return octave_value (6); case Magick::RightBottomOrientation: return octave_value (7); case Magick::LeftBottomOrientation: return octave_value (8); default: return octave_value (1); } } static octave_value magick_to_octave_value (const Magick::ResolutionType& magick) { switch (magick) { case Magick::PixelsPerInchResolution: return octave_value ("Inch"); case Magick::PixelsPerCentimeterResolution: return octave_value ("Centimeter"); default: return octave_value ("undefined"); } } static bool is_valid_exif (const std::string& val) { // Sometimes GM will return the string "unknown" instead of empty // for an empty value. return (! val.empty () && val != "unknown"); } static void fill_exif (octave_scalar_map& map, Magick::Image& img, const std::string& key) { const std::string attr = img.attribute ("EXIF:" + key); if (is_valid_exif (attr)) map.setfield (key, octave_value (attr)); return; } static void fill_exif_ints (octave_scalar_map& map, Magick::Image& img, const std::string& key) { const std::string attr = img.attribute ("EXIF:" + key); if (is_valid_exif (attr)) { // string of the type "float,float,float....." float number; ColumnVector values (std::count (attr.begin (), attr.end (), ',') +1); std::string sub; std::istringstream sstream (attr); octave_idx_type n = 0; while (std::getline (sstream, sub, char (','))) { sscanf (sub.c_str (), "%f", &number); values(n++) = number; } map.setfield (key, octave_value (values)); } return; } static void fill_exif_floats (octave_scalar_map& map, Magick::Image& img, const std::string& key) { const std::string attr = img.attribute ("EXIF:" + key); if (is_valid_exif (attr)) { // string of the type "int/int,int/int,int/int....." int numerator; int denominator; ColumnVector values (std::count (attr.begin (), attr.end (), ',') +1); std::string sub; std::istringstream sstream (attr); octave_idx_type n = 0; while (std::getline (sstream, sub, ',')) { sscanf (sub.c_str (), "%i/%i", &numerator, &denominator); values(n++) = double (numerator) / double (denominator); } map.setfield (key, octave_value (values)); } return; } #endif DEFUN (__magick_finfo__, args, , doc: /* -*- texinfo -*- @deftypefn {} {} __magick_finfo__ (@var{fname}) Read image information with GraphicsMagick or ImageMagick. This is a private internal function not intended for direct use. Use @code{imfinfo} instead. @seealso{imfinfo, imformats, imread, imwrite} @end deftypefn */) { #if defined (HAVE_MAGICK) if (args.length () < 1 || ! args(0).is_string ()) print_usage (); maybe_initialize_magick (); const std::string filename = args(0).string_value (); std::vector<Magick::Image> imvec; read_file (filename, imvec); const octave_idx_type nFrames = imvec.size (); const std::string format = imvec[0].magick (); // Here's how this function works. We need to return a struct array, one // struct for each image in the file (remember, there are image // that allow for multiple images in the same file). Now, Matlab seems // to have format specific code so the fields on the struct are different // for each format. It only has a small subset that is common to all // of them, the others are undocumented. Because we try to abstract from // the formats we always return the same list of fields (note that with // GM we support more than 88 formats. That's way more than Matlab, and // I don't want to write specific code for each of them). // // So what we do is we create an octave_scalar_map, fill it with the // information for that image, and then insert it into an octave_map. // Because in the same file, different images may have values for // different fields, we can't create a field only if there's a value. // Bad things happen if we merge octave_scalar_maps with different // fields from the others (suppose for example a TIFF file with 4 images, // where only the third image has a colormap. static const char *fields[] = { // These are fields that must always appear for Matlab. "Filename", "FileModDate", "FileSize", "Format", "FormatVersion", "Width", "Height", "BitDepth", "ColorType", // These are format specific or not existent in Matlab. The most // annoying thing is that Matlab may have different names for the // same thing in different formats. "DelayTime", "DisposalMethod", "LoopCount", "ByteOrder", "Gamma", "Chromaticities", "Comment", "Quality", "Compression", // same as CompressionType "Colormap", // same as ColorTable (in PNG) "Orientation", "ResolutionUnit", "XResolution", "YResolution", "Software", // sometimes is an Exif tag "Make", // actually an Exif tag "Model", // actually an Exif tag "DateTime", // actually an Exif tag "ImageDescription", // actually an Exif tag "Artist", // actually an Exif tag "Copyright", // actually an Exif tag "DigitalCamera", "GPSInfo", // Notes for the future: GM allows one to get many attributes, and even has // attribute() to obtain arbitrary ones, that may exist in only some // cases. The following is a list of some methods and into what possible // Matlab compatible values they may be converted. // // colorSpace() -> PhotometricInterpretation // backgroundColor() -> BackgroundColor // interlaceType() -> Interlaced, InterlaceType, and PlanarConfiguration // label() -> Title 0 }; // The one we will return at the end octave_map info (dim_vector (nFrames, 1), string_vector (fields)); // Some of the fields in the struct are about file information and will be // the same for all images in the file. So we create a template, fill in // those values, and make a copy of the template for each image. octave_scalar_map template_info = (string_vector (fields)); template_info.setfield ("Format", octave_value (format)); // We can't actually get FormatVersion but even Matlab sometimes can't. template_info.setfield ("FormatVersion", octave_value ("")); const octave::sys::file_stat fs (filename); if (! fs) error ("imfinfo: error reading '%s': %s", filename.c_str (), fs.error ().c_str ()); const octave::sys::localtime mtime (fs.mtime ()); const std::string filetime = mtime.strftime ("%e-%b-%Y %H:%M:%S"); template_info.setfield ("Filename", octave_value (filename)); template_info.setfield ("FileModDate", octave_value (filetime)); template_info.setfield ("FileSize", octave_value (fs.size ())); for (octave_idx_type frame = 0; frame < nFrames; frame++) { OCTAVE_QUIT; octave_scalar_map info_frame (template_info); const Magick::Image img = imvec[frame]; info_frame.setfield ("Width", octave_value (img.columns ())); info_frame.setfield ("Height", octave_value (img.rows ())); info_frame.setfield ("BitDepth", octave_value (get_depth (const_cast<Magick::Image&> (img)))); // Stuff related to colormap, image class and type // Because GM is too smart for us... Read the comments in is_indexed() { std::string color_type; Matrix cmap; if (is_indexed (img)) { color_type = "indexed"; cmap = read_maps (const_cast<Magick::Image&> (img))(0).matrix_value (); } else { switch (img.type ()) { case Magick::BilevelType: case Magick::GrayscaleType: case Magick::GrayscaleMatteType: color_type = "grayscale"; break; case Magick::TrueColorType: case Magick::TrueColorMatteType: color_type = "truecolor"; break; case Magick::PaletteType: case Magick::PaletteMatteType: // we should never get here or is_indexed needs to be fixed color_type = "indexed"; break; case Magick::ColorSeparationType: case Magick::ColorSeparationMatteType: color_type = "CMYK"; break; default: color_type = "undefined"; } } info_frame.setfield ("ColorType", octave_value (color_type)); info_frame.setfield ("Colormap", octave_value (cmap)); } { // Not all images have chroma values. In such cases, they'll // be all zeros. So rather than send a matrix of zeros, we will // check for that, and send an empty vector instead. RowVector chromaticities (8); double* chroma_fvec = chromaticities.fortran_vec (); img.chromaWhitePoint (&chroma_fvec[0], &chroma_fvec[1]); img.chromaRedPrimary (&chroma_fvec[2], &chroma_fvec[3]); img.chromaGreenPrimary (&chroma_fvec[4], &chroma_fvec[5]); img.chromaBluePrimary (&chroma_fvec[6], &chroma_fvec[7]); if (chromaticities.nnz () == 0) chromaticities = RowVector (0); info_frame.setfield ("Chromaticities", octave_value (chromaticities)); } info_frame.setfield ("Gamma", octave_value (img.gamma ())); info_frame.setfield ("XResolution", octave_value (img.xResolution ())); info_frame.setfield ("YResolution", octave_value (img.yResolution ())); info_frame.setfield ("DelayTime", octave_value (img.animationDelay ())); info_frame.setfield ("LoopCount", octave_value (img.animationIterations ())); info_frame.setfield ("Quality", octave_value (img.quality ())); info_frame.setfield ("Comment", octave_value (img.comment ())); info_frame.setfield ("Compression", magick_to_octave_value (img.compressType ())); info_frame.setfield ("Orientation", magick_to_octave_value (img.orientation ())); info_frame.setfield ("ResolutionUnit", magick_to_octave_value (img.resolutionUnits ())); info_frame.setfield ("ByteOrder", magick_to_octave_value (img.endian ())); // It is not possible to know if there's an Exif field so we just // check for the Exif Version value. If it does exists, then we // bother about looking for specific fields. { Magick::Image& cimg = const_cast<Magick::Image&> (img); // These will be in Exif tags but must appear as fields in the // base struct array, not as another struct in one of its fields. // This is likely because they belong to the Baseline TIFF specs // and may appear out of the Exif tag. So first we check if it // exists outside the Exif tag. // See Section 4.6.4, table 4, page 28 of Exif specs version 2.3 // (CIPA DC- 008-Translation- 2010) static const char *base_exif_str_fields[] = { "DateTime", "ImageDescription", "Make", "Model", "Software", "Artist", "Copyright", 0, }; static const string_vector base_exif_str (base_exif_str_fields); static const octave_idx_type n_base_exif_str = base_exif_str.numel (); for (octave_idx_type field = 0; field < n_base_exif_str; field++) { info_frame.setfield (base_exif_str[field], octave_value (cimg.attribute (base_exif_str[field]))); fill_exif (info_frame, cimg, base_exif_str[field]); } octave_scalar_map camera; octave_scalar_map gps; if (! cimg.attribute ("EXIF:ExifVersion").empty ()) { // See Section 4.6.5, table 7 and 8, over pages page 42 to 43 // of Exif specs version 2.3 (CIPA DC- 008-Translation- 2010) // Listed on the Exif specs as being of type ASCII. static const char *exif_str_fields[] = { "RelatedSoundFile", "DateTimeOriginal", "DateTimeDigitized", "SubSecTime", "DateTimeOriginal", "SubSecTimeOriginal", "SubSecTimeDigitized", "ImageUniqueID", "CameraOwnerName", "BodySerialNumber", "LensMake", "LensModel", "LensSerialNumber", "SpectralSensitivity", // These last two are of type undefined but most likely will // be strings. Even if they're not GM returns a string anyway. "UserComment", "MakerComment", 0 }; static const string_vector exif_str (exif_str_fields); static const octave_idx_type n_exif_str = exif_str.numel (); for (octave_idx_type field = 0; field < n_exif_str; field++) fill_exif (camera, cimg, exif_str[field]); // Listed on the Exif specs as being of type SHORT or LONG. static const char *exif_int_fields[] = { "ColorSpace", "ExifImageWidth", // PixelXDimension (CPixelXDimension in Matlab) "ExifImageHeight", // PixelYDimension (CPixelYDimension in Matlab) "PhotographicSensitivity", "StandardOutputSensitivity", "RecommendedExposureIndex", "ISOSpeed", "ISOSpeedLatitudeyyy", "ISOSpeedLatitudezzz", "FocalPlaneResolutionUnit", "FocalLengthIn35mmFilm", // Listed as SHORT or LONG but with more than 1 count. "SubjectArea", "SubjectLocation", // While the following are an integer, their value have a meaning // that must be represented as a string for Matlab compatibility. // For example, a 3 on ExposureProgram, would return // "Aperture priority" as defined on the Exif specs. "ExposureProgram", "SensitivityType", "MeteringMode", "LightSource", "Flash", "SensingMethod", "FileSource", "CustomRendered", "ExposureMode", "WhiteBalance", "SceneCaptureType", "GainControl", "Contrast", "Saturation", "Sharpness", "SubjectDistanceRange", 0 }; static const string_vector exif_int (exif_int_fields); static const octave_idx_type n_exif_int = exif_int.numel (); for (octave_idx_type field = 0; field < n_exif_int; field++) fill_exif_ints (camera, cimg, exif_int[field]); // Listed as RATIONAL or SRATIONAL static const char *exif_float_fields[] = { "Gamma", "CompressedBitsPerPixel", "ExposureTime", "FNumber", "ShutterSpeedValue", // SRATIONAL "ApertureValue", "BrightnessValue", // SRATIONAL "ExposureBiasValue", // SRATIONAL "MaxApertureValue", "SubjectDistance", "FocalLength", "FlashEnergy", "FocalPlaneXResolution", "FocalPlaneYResolution", "ExposureIndex", "DigitalZoomRatio", // Listed as RATIONAL or SRATIONAL with more than 1 count. "LensSpecification", 0 }; static const string_vector exif_float (exif_float_fields); static const octave_idx_type n_exif_float = exif_float.numel (); for (octave_idx_type field = 0; field < n_exif_float; field++) fill_exif_floats (camera, cimg, exif_float[field]); // Inside a Exif field, it is possible that there is also a // GPS field. This is not the same as ExifVersion but seems // to be how we have to check for it. if (cimg.attribute ("EXIF:GPSInfo") != "unknown") { // The story here is the same as with Exif. // See Section 4.6.6, table 15 on page 68 of Exif specs // version 2.3 (CIPA DC- 008-Translation- 2010) static const char *gps_str_fields[] = { "GPSLatitudeRef", "GPSLongitudeRef", "GPSAltitudeRef", "GPSSatellites", "GPSStatus", "GPSMeasureMode", "GPSSpeedRef", "GPSTrackRef", "GPSImgDirectionRef", "GPSMapDatum", "GPSDestLatitudeRef", "GPSDestLongitudeRef", "GPSDestBearingRef", "GPSDestDistanceRef", "GPSDateStamp", 0 }; static const string_vector gps_str (gps_str_fields); static const octave_idx_type n_gps_str = gps_str.numel (); for (octave_idx_type field = 0; field < n_gps_str; field++) fill_exif (gps, cimg, gps_str[field]); static const char *gps_int_fields[] = { "GPSDifferential", 0 }; static const string_vector gps_int (gps_int_fields); static const octave_idx_type n_gps_int = gps_int.numel (); for (octave_idx_type field = 0; field < n_gps_int; field++) fill_exif_ints (gps, cimg, gps_int[field]); static const char *gps_float_fields[] = { "GPSAltitude", "GPSDOP", "GPSSpeed", "GPSTrack", "GPSImgDirection", "GPSDestBearing", "GPSDestDistance", "GPSHPositioningError", // Listed as RATIONAL or SRATIONAL with more than 1 count. "GPSLatitude", "GPSLongitude", "GPSTimeStamp", "GPSDestLatitude", "GPSDestLongitude", 0 }; static const string_vector gps_float (gps_float_fields); static const octave_idx_type n_gps_float = gps_float.numel (); for (octave_idx_type field = 0; field < n_gps_float; field++) fill_exif_floats (gps, cimg, gps_float[field]); } } info_frame.setfield ("DigitalCamera", octave_value (camera)); info_frame.setfield ("GPSInfo", octave_value (gps)); } info.fast_elem_insert (frame, info_frame); } if (format == "GIF") { static std::map<octave_idx_type, std::string> disposal_methods = init_disposal_methods (); string_vector methods (nFrames); for (octave_idx_type frame = 0; frame < nFrames; frame++) methods[frame] = disposal_methods[imvec[frame].gifDisposeMethod ()]; info.setfield ("DisposalMethod", Cell (methods)); } else info.setfield ("DisposalMethod", Cell (dim_vector (nFrames, 1), octave_value (""))); return ovl (info); #else octave_unused_parameter (args); err_disabled_feature ("imfinfo", "Image IO"); #endif } /* ## No test needed for internal helper function. %!assert (1) */ DEFUN (__magick_formats__, args, , doc: /* -*- texinfo -*- @deftypefn {} {} __magick_imformats__ (@var{formats}) Fill formats info with GraphicsMagick CoderInfo. @seealso{imfinfo, imformats, imread, imwrite} @end deftypefn */) { if (args.length () != 1 || ! args(0).is_map ()) print_usage (); octave_map formats = args(0).map_value (); #if defined (HAVE_MAGICK) maybe_initialize_magick (); for (octave_idx_type idx = 0; idx < formats.numel (); idx++) { try { octave_scalar_map fmt = formats.checkelem (idx); Magick::CoderInfo coder (fmt.getfield ("coder").string_value ()); fmt.setfield ("description", octave_value (coder.description ())); fmt.setfield ("multipage", coder.isMultiFrame () ? true : false); // default for read and write is a function handle. If we can't // read or write them, them set it to an empty value if (! coder.isReadable ()) fmt.setfield ("read", Matrix ()); if (! coder.isWritable ()) fmt.setfield ("write", Matrix ()); formats.fast_elem_insert (idx, fmt); } catch (Magick::Exception& e) { // Exception here are missing formats. So we remove the format // from the structure and reduce idx. formats.delete_elements (idx); idx--; } } #else formats = octave_map (dim_vector (1, 0), formats.fieldnames ()); #endif return ovl (formats); } /* ## No test needed for internal helper function. %!assert (1) */