annotate scripts/image/imformats.m @ 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, 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test/classdef/classdef.tst, test/classes/classes.tst, test/colormaps.tst, test/complex.tst, test/ctor-vs-method/ctor-vs-method.tst, test/diag-perm.tst, test/error.tst, test/eval-catch.tst, test/fcn-handle-derived-resolution/fcn-handle-derived-resolution.tst, test/fntests.m, test/for.tst, test/func.tst, test/global.tst, test/if.tst, test/index.tst, test/io.tst, test/jit.tst, test/line-continue.tst, test/logical-index.tst, test/nest/nest.tst, test/null-assign.tst, test/parser.tst, test/prefer.tst, test/range.tst, test/recursion.tst, test/return.tst, test/slice.tst, test/struct.tst, test/switch.tst, test/system.tst, test/transpose.tst, test/try.tst, test/unwind.tst, test/while.tst: Use the same Copyright formatting throughout Octave.
author Rik <rik@octave.org>
date Sun, 13 Nov 2016 20:33:47 -0800
parents bac0d6f07a3e
children ef4d915df748
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1 ## Copyright (C) 2013-2016 Carnë Draug
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or
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8 ## (at your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 ## GNU General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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diff changeset
20 ## @deftypefn {} {} imformats ()
516bb87ea72e 2015 Code Sprint: remove class of function from docstring for all m-files.
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parents: 20176
diff changeset
21 ## @deftypefnx {} {@var{formats} =} imformats (@var{ext})
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parents: 20176
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22 ## @deftypefnx {} {@var{formats} =} imformats (@var{format})
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parents: 20176
diff changeset
23 ## @deftypefnx {} {@var{formats} =} imformats ("add", @var{format})
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parents: 20176
diff changeset
24 ## @deftypefnx {} {@var{formats} =} imformats ("remove", @var{ext})
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parents: 20176
diff changeset
25 ## @deftypefnx {} {@var{formats} =} imformats ("update", @var{ext}, @var{format})
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parents: 20176
diff changeset
26 ## @deftypefnx {} {@var{formats} =} imformats ("factory")
16901
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parents:
diff changeset
27 ## Manage supported image formats.
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parents:
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28 ##
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parents:
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29 ## @var{formats} is a structure with information about each supported file
861516dcad19 New function imformats.
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parents:
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30 ## format, or from a specific format @var{ext}, the value displayed on the
861516dcad19 New function imformats.
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parents:
diff changeset
31 ## field @code{ext}. It contains the following fields:
861516dcad19 New function imformats.
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parents:
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32 ##
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33 ## @table @asis
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parents:
diff changeset
34 ## @item ext
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35 ## The name of the file format. This may match the file extension but Octave
861516dcad19 New function imformats.
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parents:
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36 ## will automatically detect the file format.
17170
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37 ##
16901
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parents:
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38 ## @item description
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parents:
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39 ## A long description of the file format.
17170
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Rik <rik@octave.org>
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diff changeset
40 ##
16922
bfd119642f6a doc: Fix some spellings in image.texi.
Rik <rik@octave.org>
parents: 16916
diff changeset
41 ## @item @nospell{isa}
16901
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parents:
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42 ## A function handle to confirm if a file is of the specified format.
17170
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43 ##
16901
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parents:
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44 ## @item write
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parents:
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45 ## A function handle to write if a file is of the specified format.
17170
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46 ##
16901
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parents:
diff changeset
47 ## @item read
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parents:
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48 ## A function handle to open files the specified format.
17170
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49 ##
16901
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50 ## @item info
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parents:
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51 ## A function handle to obtain image information of the specified format.
17170
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diff changeset
52 ##
16901
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53 ## @item alpha
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parents:
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54 ## Logical value if format supports alpha channel (transparency or matte).
17170
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parents: 17086
diff changeset
55 ##
16901
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parents:
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56 ## @item multipage
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parents:
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57 ## Logical value if format supports multipage (multiple images per file).
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parents:
diff changeset
58 ## @end table
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parents:
diff changeset
59 ##
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60 ## It is possible to change the way Octave manages file formats with the
7503499a252b doc: Update docstrings to have one sentence summary as first line.
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parents: 19697
diff changeset
61 ## options @qcode{"add"}, @qcode{"remove"}, and @qcode{"update"}, and supplying
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62 ## a structure @var{format} with the required fields. The option
17281
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63 ## @qcode{"factory"} resets the configuration to the default.
16901
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parents:
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64 ##
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65 ## This can be used by Octave packages to extend the image reading capabilities
861516dcad19 New function imformats.
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parents:
diff changeset
66 ## Octave, through use of the PKG_ADD and PKG_DEL commands.
861516dcad19 New function imformats.
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parents:
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67 ##
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68 ## @seealso{imfinfo, imread, imwrite}
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parents:
diff changeset
69 ## @end deftypefn
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70
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parents:
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71 ## Author: Carnë Draug <carandraug@octave.org>
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parents:
diff changeset
72
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diff changeset
73 function varargout = imformats (arg1, arg2, arg3)
21758
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diff changeset
74
16901
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diff changeset
75 if (nargin > 3)
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diff changeset
76 print_usage ();
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
77 endif
861516dcad19 New function imformats.
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parents:
diff changeset
78
19653
b95aab49b6be imformats: memory lock function to prevent "registry" of imageIO to be cleared
Carnë Draug <carandraug@octave.org>
parents: 19278
diff changeset
79 mlock (); # prevent formats to be removed by "clear all"
16901
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parents:
diff changeset
80 persistent formats = default_formats ();
861516dcad19 New function imformats.
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parents:
diff changeset
81
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parents:
diff changeset
82 if (nargin == 0 && nargout == 0)
20170
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
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diff changeset
83 pretty_print_formats (formats);
16901
861516dcad19 New function imformats.
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parents:
diff changeset
84 elseif (nargin >= 1)
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parents:
diff changeset
85 if (isstruct (arg1))
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parents:
diff changeset
86 arrayfun (@is_valid_format, arg1);
861516dcad19 New function imformats.
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parents:
diff changeset
87 ## FIXME: what is the return value in this situation?
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diff changeset
88 formats = arg1;
861516dcad19 New function imformats.
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parents:
diff changeset
89
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parents:
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90 elseif (ischar (arg1))
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Carnë Draug <carandraug@octave.org>
parents:
diff changeset
91 switch (tolower (arg1))
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
92 case "add",
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
93 if (! isstruct (arg2))
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Carnë Draug <carandraug@octave.org>
parents:
diff changeset
94 error ("imformats: FORMAT to %s must be a structure.", arg1);
861516dcad19 New function imformats.
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parents:
diff changeset
95 endif
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parents:
diff changeset
96 arrayfun (@is_valid_format, arg2);
16949
1eb5e5f0ee13 imformats.m: add tests and fix bug when adding new formats.
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parents: 16922
diff changeset
97 formats(end + 1: end + numel (arg2)) = arg2;
16907
04f4f067eb33 imformats: fix typos and silence some statements.
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diff changeset
98 varargout{1} = formats;
16901
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parents:
diff changeset
99
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diff changeset
100 case {"remove", "update"},
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parents:
diff changeset
101 if (! ischar (arg2))
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parents:
diff changeset
102 error ("imformats: EXT to %s must be a string.", arg1);
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parents:
diff changeset
103 endif
21751
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diff changeset
104 ## FIXME: suppose a format with multiple extensions. If one of
16901
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105 ## them is requested to be removed, should we remove the
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106 ## whole format, or just that extension from the format?
16907
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diff changeset
107 match = find_ext_idx (formats, arg2);
16901
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diff changeset
108 if (! any (match))
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parents:
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109 error ("imformats: no EXT `%s' found.", arg2);
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diff changeset
110 endif
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diff changeset
111 if (strcmpi (arg1, "remove"))
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parents:
diff changeset
112 formats(match) = [];
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113 else
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114 ## then it's update
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parents:
diff changeset
115 if (! isstruct (arg3))
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116 error ("imformats: FORMAT to update must be a structure.");
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117 endif
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118 is_valid_format (arg3);
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119 formats(match) = arg3;
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120 endif
16907
04f4f067eb33 imformats: fix typos and silence some statements.
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121 varargout{1} = formats;
16901
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122
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123 case "factory",
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124 formats = default_formats ();
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125 otherwise
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126 ## then we look for a format with that extension.
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127 match = find_ext_idx (formats, arg1);
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diff changeset
128 ## For matlab compatibility, if we don't find any format we must
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129 ## return an empty struct with NO fields. We can't use match as mask
16901
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parents:
diff changeset
130 if (any (match))
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diff changeset
131 varargout{1} = formats(match);
16901
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diff changeset
132 else
16907
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diff changeset
133 varargout{1} = struct ();
16901
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134 endif
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diff changeset
135 endswitch
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parents:
diff changeset
136 else
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137 error ("imformats: first argument must be either a structure or string.");
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138 endif
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parents:
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139 else
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140 varargout{1} = formats;
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parents:
diff changeset
141 endif
21758
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diff changeset
142
16901
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diff changeset
143 endfunction
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parents:
diff changeset
144
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parents:
diff changeset
145 function formats = default_formats ()
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parents:
diff changeset
146
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147 ## The available formats are dependent on what the user has installed at
21751
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diff changeset
148 ## a given time, and how GraphicsMagick was built. Checking for
16901
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parents:
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149 ## GraphicsMagick features when building Octave is not enough since it
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parents:
diff changeset
150 ## delegates some of them to external programs which can be removed or
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parents:
diff changeset
151 ## installed at any time.
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parents:
diff changeset
152 ## The recommended method would be to use CoderInfoList() to get a list of
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parents:
diff changeset
153 ## all available coders and try to write and read back a small test image.
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parents:
diff changeset
154 ## But this will not work since some coders are readable or writable only.
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parents:
diff changeset
155 ## It will still fail if we test only the ones marked as readable and
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Carnë Draug <carandraug@octave.org>
parents:
diff changeset
156 ## writable because some RW coders are not of image formats (NULL, 8BIM,
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Carnë Draug <carandraug@octave.org>
parents:
diff changeset
157 ## or EXIF for example).
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parents:
diff changeset
158 ## So we'd need a blacklist (unacceptable because a `bad' coder may be
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
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parents: 21634
diff changeset
159 ## added later) or a whitelist. A whitelist means that even with a
16901
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parents:
diff changeset
160 ## super-fancy recent build of GraphicsMagick, some formats won't be listed
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Carnë Draug <carandraug@octave.org>
parents:
diff changeset
161 ## by imformats but in truth, we will still be able to read and write them
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Carnë Draug <carandraug@octave.org>
parents:
diff changeset
162 ## since imread() and imwrite() will give it a try anyway.
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parents:
diff changeset
163 ##
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parents:
diff changeset
164 ## For more info and comments from the GraphicsMagick main developer, see
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parents:
diff changeset
165 ## http://sourceforge.net/mailarchive/forum.php?thread_name=alpine.GSO.2.01.1304301916050.2267%40freddy.simplesystems.org&forum_name=graphicsmagick-help
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parents:
diff changeset
166
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parents:
diff changeset
167 persistent formats = struct ( "coder", {},
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parents:
diff changeset
168 "ext", {},
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Carnë Draug <carandraug@octave.org>
parents:
diff changeset
169 "isa", {},
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
170 "info", {},
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
171 "read", {},
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
172 "write", {},
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
173 "alpha", {},
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
174 "description", {},
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
175 "multipage", {});
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
176
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
177 ## Image IO abilities won't change during the same Octave session,
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
178 ## there's no need to go and calculate it all over again if we are
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
179 ## requested to reset back to factory.
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
180 if (! isempty (formats))
17312
088d014a7fe2 Use semicolon after "return" statement in core m-files.
Rik <rik@octave.org>
parents: 17281
diff changeset
181 return;
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
182 endif
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
183
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
184 ## Building the formats info
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
185 ##
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21634
diff changeset
186 ## As mentioned above we start with a whitelist of coders. Since the
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
187 ## GraphicsMagick build may be missing some coders, we will remove those
21751
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Rik <rik@octave.org>
parents: 21634
diff changeset
188 ## from the list. Some info can be obtained directly from GraphicsMagick
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21634
diff changeset
189 ## through the CoderInfo object. However, some will need to be hardcoded.
16901
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Carnë Draug <carandraug@octave.org>
parents:
diff changeset
190 ##
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
191 ## The association between file extensions and coders needs to be done
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
192 ## with a manually coded list (file extensions do not define the image
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
193 ## format and GraphicsMagick will not be fooled by changing the extension).
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
194 ##
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
195 ## We can get the read, write, description and multipage fields from
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21634
diff changeset
196 ## CoderInfo in C++. We should do the same for alpha (GraphicsMagick
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21634
diff changeset
197 ## calls it matte) but it's not available from CoderInfo. The only way to
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
198 ## check it is to create a sample image with each coder, then try to read
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
199 ## it back with GraphicsMagick and use the matte method on the Image class.
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
200 ## But making such test for each Octave session... meh! While technically
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
201 ## it may be possible that the same coder has different support for alpha
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
202 ## channel in different versions and builds, this doesn't seem to happen.
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21634
diff changeset
203 ## So we also hardcode those. In the future, maybe the CoderInfo class will
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
204 ## have a matte method like it does for multipage.
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
205 ##
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21634
diff changeset
206 ## Other notes: some formats have more than one coder that do the same. For
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21634
diff changeset
207 ## example, for jpeg images there is both the JPG and JPEG coders. However,
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
208 ## it seems that when reading images, GraphicsMagick only uses one of them
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
209 ## and that's the one we list (it's the one reported by imfinfo and that we
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21634
diff changeset
210 ## can use for isa). However, in some cases GraphicsMagick seems to rely
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21634
diff changeset
211 ## uniquely on the file extension (JBIG and JBG at least. Create an image
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
212 ## with each of those coders, swap their extension and it will report the
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21634
diff changeset
213 ## other coder). We don't have such cases on the whitelist but if we did, we
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
214 ## would need two entries for such cases.
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
215
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
216 ## each row: 1st => Coder, 2nd=> file extensions, 3rd=> alpha
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
217 coders = {"BMP", {"bmp"}, true;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
218 "CUR", {"cur"}, false;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
219 "GIF", {"gif"}, true;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
220 "ICO", {"ico"}, true;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
221 "JBG", {"jbg"}, false;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
222 "JBIG", {"jbig"}, false;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
223 "JP2", {"jp2", "jpx"}, true;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
224 "JPEG", {"jpg", "jpeg"}, false; # there is also a JPG coder
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
225 "PBM", {"pbm"}, false;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
226 "PCX", {"pcx"}, true;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
227 "PGM", {"pgm"}, false;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
228 "PNG", {"png"}, true;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
229 ## PNM is a family of formats supporting portable bitmaps (PBM),
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21634
diff changeset
230 ## graymaps (PGM), and pixmaps (PPM). There is no file format
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21634
diff changeset
231 ## associated with pnm itself. If PNM is used as the output format
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
232 ## specifier, then GraphicsMagick automatically selects the most
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
233 ## appropriate format to represent the image.
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
234 "PNM", {"pnm"}, true;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
235 "PPM", {"ppm"}, false;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
236 "SUN", {"ras"}, true; # SUN Rasterfile
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
237 "TGA", {"tga", "tpic"}, true;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
238 "TIFF", {"tif", "tiff"}, true;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
239 "XBM", {"xbm"}, false;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
240 "XPM", {"xpm"}, true;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
241 "XWD", {"xwd"}, false;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
242 };
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
243
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
244 for fidx = 1: rows(coders)
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
245 formats(fidx).coder = coders{fidx, 1};
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
246 formats(fidx).ext = coders{fidx, 2};
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
247 formats(fidx).alpha = coders{fidx, 3};
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
248 ## default isa is to check if the format returned by imfinfo is the coder
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
249 formats(fidx).isa = @(x) isa_magick (coders{fidx,1}, x);
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
250 endfor
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
251
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
252 ## the default info, read, and write functions
17086
3db796f89695 Rename private core_imfnc functions to follow the __fnc__ convention style.
Carnë Draug <carandraug@octave.org>
parents: 16949
diff changeset
253 [formats.info ] = deal (@__imfinfo__);
3db796f89695 Rename private core_imfnc functions to follow the __fnc__ convention style.
Carnë Draug <carandraug@octave.org>
parents: 16949
diff changeset
254 [formats.read ] = deal (@__imread__);
3db796f89695 Rename private core_imfnc functions to follow the __fnc__ convention style.
Carnë Draug <carandraug@octave.org>
parents: 16949
diff changeset
255 [formats.write] = deal (@__imwrite__);
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
256
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
257 ## fills rest of format information by checking with GraphicsMagick
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
258 formats = __magick_formats__ (formats);
21758
ffad2baa90f7 maint: Use newlines to make code more readable.
Rik <rik@octave.org>
parents: 21751
diff changeset
259
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
260 endfunction
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
261
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
262 function is_valid_format (format)
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21634
diff changeset
263 ## the minimal list of fields required in the structure. We don't
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
264 ## require multipage because it doesn't exist in matlab
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
265 min_fields = {"ext", "read", "isa", "write", "info", "alpha", "description"};
17386
6dbc866379e2 Replace cellfun() occurrences with faster code where possible.
Rik <rik@octave.org>
parents: 17351
diff changeset
266 fields_mask = isfield (format, min_fields);
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
267 if (! all (fields_mask))
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
268 error ("imformats: structure has missing field `%s'.", min_fields(! fields_mask){1});
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
269 endif
21758
ffad2baa90f7 maint: Use newlines to make code more readable.
Rik <rik@octave.org>
parents: 21751
diff changeset
270
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
271 endfunction
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
272
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
273 function match = find_ext_idx (formats, ext)
21758
ffad2baa90f7 maint: Use newlines to make code more readable.
Rik <rik@octave.org>
parents: 21751
diff changeset
274 ## FIXME: what should we do if there's more than one hit?
ffad2baa90f7 maint: Use newlines to make code more readable.
Rik <rik@octave.org>
parents: 21751
diff changeset
275 ## Should this function prevent the addition of
ffad2baa90f7 maint: Use newlines to make code more readable.
Rik <rik@octave.org>
parents: 21751
diff changeset
276 ## duplicated extensions?
18292
4718af222d9d image/imformats.m: be case insensitive about file extension.
Carnë Draug <carandraug@octave.org>
parents: 17580
diff changeset
277 match = cellfun (@(x) any (strcmpi (x, ext)), {formats.ext});
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
278 endfunction
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
279
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
280 function bool = isa_magick (coder, filename)
21758
ffad2baa90f7 maint: Use newlines to make code more readable.
Rik <rik@octave.org>
parents: 21751
diff changeset
281
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
282 bool = false;
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
283 try
17351
80bf005cdf8e New function __magick_ping__ to speed reading of images.
Carnë Draug <carandraug@octave.org>
parents: 17338
diff changeset
284 info = __magick_ping__ (filename, 1);
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
285 bool = strcmp (coder, info.Format);
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
286 end_try_catch
21758
ffad2baa90f7 maint: Use newlines to make code more readable.
Rik <rik@octave.org>
parents: 21751
diff changeset
287
16901
861516dcad19 New function imformats.
Carnë Draug <carandraug@octave.org>
parents:
diff changeset
288 endfunction
16949
1eb5e5f0ee13 imformats.m: add tests and fix bug when adding new formats.
Carnë Draug <carandraug@octave.org>
parents: 16922
diff changeset
289
20170
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
290 function pretty_print_formats (formats)
20169
cf96961effdb imformats.m: implement pretty print when nargout is zero (bug #44119)
Hartmut Gimpel <hg_code@gmx.de>
parents: 19697
diff changeset
291 ## define header names (none should be shorter than 3 characters)
20170
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
292 headers = {"Extension", "isa", "Info", "Read", "Write", "Alpha", "Description"};
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
293 cols_length = cellfun (@numel, headers);
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
294
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
295 ## Adjust the maximal length of the extensions column
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
296 extensions = cellfun (@strjoin, {formats.ext}, {", "},
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
297 "UniformOutput", false);
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
298 cols_length(1) = max (max (cellfun (@numel, extensions)), cols_length(1));
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
299 headers{1} = postpad (headers{1}, cols_length(1), " ");
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
300
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
301 ## Print the headers
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
302 disp (strjoin (headers, " | "));
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
303 under_headers = cellfun (@(x) repmat ("-", 1, numel (x)), headers,
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
304 "UniformOutput", false);
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
305 disp (strjoin (under_headers, "-+-"));
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
306
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
307 template = strjoin (arrayfun (@(x) sprintf ("%%-%is", x), cols_length,
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
308 "UniformOutput", false), " | ");
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
309
c0f64bc26eee imformats.m: rewrite pretty print of format table.
Carnë Draug <carandraug@octave.org>
parents: 20169
diff changeset
310 ## Print the function handle for this things won't be a pretty table. So
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311 ## instead we replace them with "yes" or "no", based on the support it has.
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312 yes_no_cols = cat (2, {formats.isa}(:), {formats.info}(:), {formats.read}(:),
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313 {formats.write}(:), {formats.alpha}(:));
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314 empty = cellfun (@isempty, yes_no_cols);
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315 yes_no_cols(empty) = "no";
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diff changeset
316 yes_no_cols(! empty) = "yes";
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diff changeset
317
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diff changeset
318 descriptions = {formats.description};
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diff changeset
319 table = cat (2, extensions(:), yes_no_cols, descriptions(:));
21634
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Mike Miller <mtmiller@octave.org>
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diff changeset
320 printf ([template "\n"], table'{:});
20170
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diff changeset
321
20169
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Hartmut Gimpel <hg_code@gmx.de>
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322 endfunction
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323
21758
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324
21489
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325 ## This must work, even without support for image IO
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326 %!test
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327 %! formats = imformats ();
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328 %! assert (isstruct (formats));
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329 %!
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330 %! min_fields = {"ext", "read", "isa", "write", "info", "alpha", "description"};
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331 %! assert (all (ismember (min_fields, fieldnames (formats))));
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332 %!
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diff changeset
333 %! if (__have_feature__ ("MAGICK"))
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334 %! assert (numel (formats) > 0);
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335 %! else
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336 %! assert (numel (formats), 0);
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337 %! endif
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338
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339 ## When imread or imfinfo are called, the file must exist or the
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340 ## function defined by imformats will never be called. Because
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diff changeset
341 ## of this, we must create a file for the tests to work.
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342
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343 ## changing the function that does the reading
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344 %!testif HAVE_MAGICK
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345 %! fname = [tempname() ".jpg"];
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346 %! def_fmt = imformats ();
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347 %! fid = fopen (fname, "w");
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348 %! unwind_protect
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349 %! fmt = imformats ("jpg");
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350 %! fmt.read = @numel;
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351 %! imformats ("update", "jpg", fmt);
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352 %! assert (imread (fname), numel (fname));
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353 %! unwind_protect_cleanup
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354 %! fclose (fid);
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355 %! unlink (fname);
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356 %! imformats (def_fmt);
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357 %! end_unwind_protect
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358
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359 ## adding a new format
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360 %!testif HAVE_MAGICK
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361 %! fname = [tempname() ".new_fmt"];
18298
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362 %! def_fmt = imformats ();
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363 %! fid = fopen (fname, "w");
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364 %! unwind_protect
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365 %! fmt = imformats ("jpg"); # take jpg as template
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366 %! fmt.ext = "new_fmt";
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367 %! fmt.read = @() true ();
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368 %! imformats ("add", fmt);
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369 %! assert (imread (fname), true);
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370 %! unwind_protect_cleanup
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371 %! fclose (fid);
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372 %! unlink (fname);
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373 %! imformats (def_fmt);
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374 %! end_unwind_protect
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diff changeset
375
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376 ## adding multiple formats at the same time
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377 %!testif HAVE_MAGICK
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378 %! fname1 = [tempname() ".new_fmt1"];
18298
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379 %! fid1 = fopen (fname1, "w");
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380 %! fname2 = [tempname() ".new_fmt2"];
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381 %! fid2 = fopen (fname2, "w");
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382 %! def_fmt = imformats ();
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383 %! unwind_protect
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384 %! fmt = imformats ("jpg"); # take jpg as template
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385 %! fmt.ext = "new_fmt1";
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386 %! fmt.read = @() true();
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387 %! fmt(2) = fmt(1);
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388 %! fmt(2).ext = "new_fmt2";
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389 %! imformats ("add", fmt);
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390 %! assert (imread (fname1), true);
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diff changeset
391 %! assert (imread (fname2), true);
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392 %! unwind_protect_cleanup
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diff changeset
393 %! fclose (fid1);
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394 %! fclose (fid2);
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395 %! unlink (fname1);
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diff changeset
396 %! unlink (fname2);
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397 %! imformats (def_fmt);
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398 %! end_unwind_protect
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399
18298
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400 ## changing format and resetting back to default
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401 %!testif HAVE_MAGICK
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402 %! ori_fmt = mod_fmt = imformats ("jpg");
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403 %! mod_fmt.description = "Another description";
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404 %! imformats ("update", "jpg", mod_fmt);
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405 %! new_fmt = imformats ("jpg");
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406 %! assert (new_fmt.description, mod_fmt.description);
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diff changeset
407 %! imformats ("factory");
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diff changeset
408 %! new_fmt = imformats ("jpg");
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diff changeset
409 %! assert (new_fmt.description, ori_fmt.description);
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diff changeset
410
18297
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diff changeset
411 ## updating to an invalid format should cause an error
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diff changeset
412 %!testif HAVE_MAGICK
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diff changeset
413 %! fmt = imformats ("jpg");
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diff changeset
414 %! fmt = rmfield (fmt, "read");
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diff changeset
415 %! error_thrown = false;
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diff changeset
416 %! try
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diff changeset
417 %! imformats ("update", "jpg", fmt);
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diff changeset
418 %! catch
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diff changeset
419 %! error_thrown = true;
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diff changeset
420 %! end_try_catch
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diff changeset
421 %! assert (error_thrown, true);
16949
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diff changeset
422