{"id":3104,"date":"2021-03-16T23:25:28","date_gmt":"2021-03-16T14:25:28","guid":{"rendered":"http:\/\/matoken.org\/blog\/?p=3104"},"modified":"2021-03-16T23:25:28","modified_gmt":"2021-03-16T14:25:28","slug":"make-the-first-page-of-the-pdf-file-jpeg-with-imagemagick","status":"publish","type":"post","link":"https:\/\/matoken.org\/blog\/2021\/03\/16\/make-the-first-page-of-the-pdf-file-jpeg-with-imagemagick\/","title":{"rendered":"ImageMagick\u3067pdf\u30d5\u30a1\u30a4\u30eb\u306e1\u30da\u30fc\u30b8\u76ee\u3060\u3051\u3092jpeg\u306b\u3059\u308b"},"content":{"rendered":"
\n
\n
\n

ImagemMgick\u306econvert\u30b3\u30de\u30f3\u30c9\u3067pdf\u3092jpeg\u306b\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\uff0e\u3067\u3082\u3053\u308c\u306f\u898b\u899a\u3048\u306e\u3042\u308b\u30a8\u30e9\u30fc\u2026\u2026\u3069\u3053\u304b\u306b\u30e1\u30e2\u3057\u305f\u6c17\u304c\u3059\u308b\u306e\u3067\u3059\u304c\u898b\u5f53\u305f\u3089\u306a\u3044\u306e\u3067blog\u306b\u3057\u3066\u307f\u307e\u3057\u305f\uff0e<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\n

ImageMagick\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u3092\u5909\u66f4\u3057\u3066pdf\u30d5\u30a1\u30a4\u30eb\u3092\u5909\u63db\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b<\/h2>\n
\n
\n
\n
$ convert -geometry 640 \/var\/tmp\/Nextcloud2pdf_cache\/HQeSTL5TgcgAPtS.pdf[0] \/tmp\/HQeSTL5TgcgAPtS.jpg\nconvert-im6.q16: attempt to perform an operation not allowed by the security policy `PDF' @ error\/constitute.c\/IsCoderAuthorized\/408.\nconvert-im6.q16: no images defined `\/tmp\/HQeSTL5TgcgAPtS.jpg' @ error\/convert.c\/ConvertImageCommand\/3258.<\/code><\/pre>\n<\/div>\n<\/div>\n
\n
\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u554f\u984c\u3067ImageMagick\u306e\u8a2d\u5b9a\u3067\u7121\u52b9\u306b\u3057\u3066\u3042\u308b\u306e\u3067\u3053\u308c\u3092\u6709\u52b9\u306b\u3057\u307e\u3059\uff0e<\/p>\n<\/div>\n
\n
\n
$ sudo git -C \/etc diff \/etc\/ImageMagick-6\/policy.xml\ndiff --git a\/ImageMagick-6\/policy.xml b\/ImageMagick-6\/policy.xml\nindex 82a3d0b..0953557 100644\n--- a\/ImageMagick-6\/policy.xml\n+++ b\/ImageMagick-6\/policy.xml\n@@ -91,6 +91,6 @@\n   <policy domain=\"coder\" rights=\"none\" pattern=\"PS2\" \/>\n   <policy domain=\"coder\" rights=\"none\" pattern=\"PS3\" \/>\n   <policy domain=\"coder\" rights=\"none\" pattern=\"EPS\" \/>\n-  <policy domain=\"coder\" rights=\"none\" pattern=\"PDF\" \/>\n+  <policy domain=\"coder\" rights=\"read|write\" pattern=\"PDF\" \/>\n   <policy domain=\"coder\" rights=\"none\" pattern=\"XPS\" \/>\n <\/policymap><\/code><\/pre>\n<\/div>\n<\/div>\n
\n
\u8a2d\u5b9a\u3092\u7de8\u96c6\u5f8c\u5b9f\u884c\u3059\u308b\u3068\u3046\u307e\u304f\u52d5\u304d\u307e\u3057\u305f :)<\/p>\n<\/div>\n
\n
\n
$ convert -geometry 640 \/var\/tmp\/Nextcloud2pdf_cache\/HQeSTL5TgcgAPtS.pdf[0] \/tmp\/HQeSTL5TgcgAPtS.jpg<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n
pdf\u30d5\u30a1\u30a4\u30eb\u306e\u6307\u5b9a\u30da\u30fc\u30b8\u3060\u3051\u3092\u5909\u63db\u3059\u308b<\/h2>\n
\n
\n
\u30bd\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u666e\u901a\u306b\u6307\u5b9a\u3059\u308b\u3068\uff0c \u30d5\u30a1\u30a4\u30eb\u540d-%d.jpg<\/code> \u306e\u3088\u3046\u306a\u30d5\u30a1\u30a4\u30eb\u304c\u9023\u756a\u3067\u4f5c\u6210\u3055\u308c\u307e\u3059\uff0e
\n\u4eca\u56de\u306f1\u30da\u30fc\u30b8\u3081\u3060\u3051\u304c\u6b32\u3057\u3044\u306e\u3067\u4e0d\u5fc5\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u304c\u305f\u304f\u3055\u3093\u51fa\u6765\u3066\u3057\u307e\u3044\u307e\u3059\uff0e<\/p>\n<\/div>\n
\n
1\u30da\u30fc\u30b8\u3060\u3051\u304c\u6b32\u3057\u3044\u5834\u5408\uff0c \u30bd\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\u540d.pdf[0]<\/code> \u3068\u3044\u3046\u3088\u3046\u306b\u30da\u30fc\u30b8\u6307\u5b9a\u3057\u3066\u5b9f\u73fe\u3067\u304d\u307e\u3059\uff0e\u3053\u306e\u6dfb\u5b57\u306f1\u30da\u30fc\u30b8\u76ee\u304c0\uff0c2\u30da\u30fc\u30b8\u3081\u304c1\u306e\u3088\u3046\u306b\u6307\u5b9a\u3057\u307e\u3059\uff0e<\/p>\n<\/div>\n
\n
\u5b58\u5728\u3057\u306a\u3044\u30da\u30fc\u30b8\u756a\u53f7\u3092\u6307\u5b9a\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\uff0e<\/p>\n<\/div>\n
\n
\n
$ convert -geometry 640 \/var\/tmp\/Nextcloud2pdf_cache\/HQeSTL5TgcgAPtS.pdf[99] \/tmp\/HQeSTL5TgcgAPtS-99.jpg\n\nRequested FirstPage is greater than the number of pages in the file: 33\n   No pages will be processed (FirstPage > LastPage).\nconvert-im6.q16: no images defined `.\/HQeSTL5TgcgAPtS-1.jpg' @ error\/convert.c\/ConvertImageCommand\/3258.<\/code><\/pre>\n<\/div>\n<\/div>\n
\n
\u74b0\u5883<\/div>\n
\n
$ dpkg-query -W imagemagick\nimagemagick     8:6.9.10.23+dfsg-2.1+deb10u1\n$ lsb_release -dr\nDescription:    Debian GNU\/Linux 10 (buster)\nRelease:        10\n$ uname -m\nx86_64<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
ImagemMgick\u306econvert\u30b3\u30de\u30f3\u30c9\u3067pdf\u3092jpeg\u306b\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\uff0e\u3067\u3082\u3053\u308c\u306f\u898b\u899a\u3048\u306e\u3042\u308b\u30a8\u30e9\u30fc\u2026\u2026\u3069\u3053\u304b\u306b\u30e1\u30e2\u3057\u305f\u6c17\u304c\u3059\u308b\u306e\u3067\u3059\u304c\u898b\u5f53\u305f\u3089\u306a\u3044\u306e\u3067blog\u306b\u3057\u3066\u307f\u307e\u3057\u305f\uff0e Ima […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"webmentions_disabled_pings":false,"webmentions_disabled":false,"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":4,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":""},"categories":[428,7,6],"tags":[443,362,442],"class_list":["post-3104","post","type-post","status-publish","format-standard","hentry","category-buster","category-debian-linux","category-linux","tag-convert","tag-imagemagick","tag-pdf"],"_links":{"self":[{"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/posts\/3104","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/comments?post=3104"}],"version-history":[{"count":0,"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/posts\/3104\/revisions"}],"wp:attachment":[{"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/media?parent=3104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/categories?post=3104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/tags?post=3104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}