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* configure.ac (--with-webp): New option. (HAVE_WEBP): New variable. (emacs_config_features): Add webp. * src/image.c (enum webp_keyword_index) [HAVE_WEBP]: New enum. (webp_format) [HAVE_WEBP]: New variable. (webp_image_p, init_webp_functions, webp_load) [HAVE_WEBP]: New functions for WebP support. (image_types) [HAVE_WEBP]: Define WebP format. (syms_of_image) <Qwebp> [HAVE_WEBP]: New DEFSYM. Add image type Qwebp. * src/Makefile.in (LIBIMAGE): Add WEBP_LIBS. * lisp/files.el (auto-mode-alist): * lisp/image-file.el (image-file-name-extensions): * lisp/image.el (image-type-header-regexps) (image-type-file-name-regexps, image-type-auto-detectable): Add WebP support. * lisp/term/w32-win.el (dynamic-library-alist): Add the libwebp DLL. * INSTALL: * admin/CPP-DEFINES: * doc/lispref/display.texi (Image Formats, Other Image Types): * nt/INSTALL: Document WebP support. * test/lisp/image-tests.el (image-find-image) (image-type-from-file-name): Expand tests. * test/src/image-tests.el (image-tests--files): Add WebP. (image-tests-image-size/webp, image-tests-image-mask-p/webp) (image-tests-image-metadata/webp): New tests. * test/data/image/black.webp: New file.
95 lines
3.6 KiB
EmacsLisp
95 lines
3.6 KiB
EmacsLisp
;;; image-tests.el --- tests for image.el -*- lexical-binding: t -*-
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;; Copyright (C) 2019-2021 Free Software Foundation, Inc.
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Code:
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(require 'ert)
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(require 'image)
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(eval-when-compile
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(require 'cl-lib))
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(defconst image-tests--emacs-images-directory
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(expand-file-name "images" data-directory)
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"Directory containing Emacs images.")
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(ert-deftest image--set-property ()
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"Test `image--set-property' behavior."
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(let ((image (list 'image)))
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;; Add properties.
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(setf (image-property image :scale) 1)
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(should (equal image '(image :scale 1)))
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(setf (image-property image :width) 8)
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(should (equal image '(image :scale 1 :width 8)))
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(setf (image-property image :height) 16)
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(should (equal image '(image :scale 1 :width 8 :height 16)))
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;; Delete properties.
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(setf (image-property image :type) nil)
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(should (equal image '(image :scale 1 :width 8 :height 16)))
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(setf (image-property image :scale) nil)
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(should (equal image '(image :width 8 :height 16)))
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(setf (image-property image :height) nil)
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(should (equal image '(image :width 8)))
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(setf (image-property image :width) nil)
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(should (equal image '(image)))))
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(ert-deftest image-find-image ()
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(should (listp (find-image '((:type xpm :file "undo.xpm")))))
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(should (listp (find-image '((:type png :file "newsticker/rss-feed.png" :ascent center)))))
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(should-not (find-image '((:type png :file "does-not-exist-foo-bar.png")))))
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(ert-deftest image-type-from-file-name ()
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(should (eq (image-type-from-file-name "foo.jpg") 'jpeg))
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(should (eq (image-type-from-file-name "foo.png") 'png))
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(should (eq (image-type-from-file-name "foo.webp") 'webp)))
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(ert-deftest image-type/from-filename ()
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;; On emba, `image-types' and `image-load-path' do not exist.
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(skip-unless (and (bound-and-true-p image-types)
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(bound-and-true-p image-load-path)))
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(should (eq (image-type "foo.jpg") 'jpeg)))
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(ert-deftest image-type-from-file-header-test ()
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"Test image-type-from-file-header."
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(should (eq (if (image-type-available-p 'svg) 'svg)
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(image-type-from-file-header
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(expand-file-name "splash.svg"
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image-tests--emacs-images-directory)))))
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(ert-deftest image-rotate ()
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"Test `image-rotate'."
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(cl-letf* ((image (list 'image))
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((symbol-function 'image--get-imagemagick-and-warn)
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(lambda () image)))
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(let ((current-prefix-arg '(4)))
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(call-interactively #'image-rotate))
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(should (equal image '(image :rotation 270.0)))
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(call-interactively #'image-rotate)
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(should (equal image '(image :rotation 0.0)))
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(image-rotate)
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(should (equal image '(image :rotation 90.0)))
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(image-rotate 0)
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(should (equal image '(image :rotation 90.0)))
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(image-rotate 1)
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(should (equal image '(image :rotation 91.0)))
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(image-rotate 1234.5)
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(should (equal image '(image :rotation 245.5)))
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(image-rotate -154.5)
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(should (equal image '(image :rotation 91.0)))))
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;;; image-tests.el ends here
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