{"id":23715487,"url":"https://github.com/orzhtml/rotateimg","last_synced_at":"2025-07-20T22:34:11.466Z","repository":{"id":94329901,"uuid":"77353430","full_name":"orzhtml/rotateImg","owner":"orzhtml","description":"jq-利用canvas让图片旋转角度","archived":false,"fork":false,"pushed_at":"2016-12-26T07:58:56.000Z","size":814,"stargazers_count":2,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-07-03T12:06:29.732Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/orzhtml.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2016-12-26T02:49:06.000Z","updated_at":"2021-08-05T08:34:56.000Z","dependencies_parsed_at":null,"dependency_job_id":"cbd7f2dc-7fad-4582-9bdc-8d05a36b8a60","html_url":"https://github.com/orzhtml/rotateImg","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/orzhtml/rotateImg","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/orzhtml%2FrotateImg","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/orzhtml%2FrotateImg/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/orzhtml%2FrotateImg/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/orzhtml%2FrotateImg/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/orzhtml","download_url":"https://codeload.github.com/orzhtml/rotateImg/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/orzhtml%2FrotateImg/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":266210842,"owners_count":23893338,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-12-30T20:56:38.295Z","updated_at":"2025-07-20T22:34:11.444Z","avatar_url":"https://github.com/orzhtml.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"### jquery-利用canvas让图片旋转角度\r\n\r\n#### 说明\r\n\r\n如果你没有 gulp 请先全局安装\r\n在（控制台 | cmd）中输入命令全局安装 gulp\r\n\r\n// window\r\n\r\n`npm install -g gulp`\r\n\r\n// MacOS | Linux\r\n\r\n`sudo npm install -g gulp`\r\n\r\n安装完成后再输入检查是否安装成功\r\n\r\n`gulp -v`\r\n\r\n然后通过 cmd 进入本插件的目录\r\n\r\n`cd /你的目录/rotateImg`\r\n\r\n安装依赖（最好开 vpn）\r\n\r\n`npm install`\r\n\r\n依赖安装完成后运行\r\n\r\n`gulp`\r\n\r\n四个角度变化：\r\n\r\n0:\r\n\r\ncanvas.width = width;\r\n\r\ncanvas.height = height;\r\n\r\ncxt.translate(0, 0);\r\n\r\ncxt.rotate(0 * Math.PI / 180);\r\n\r\n----\r\n\r\n90:\r\n\r\ncanvas.width = height;\r\n\r\ncanvas.height = width;\r\n\r\ncxt.translate(height, 0);\r\n\r\ncxt.rotate(90 * Math.PI / 180);\r\n\r\n----\r\n\r\n180:\r\n\r\ncanvas.width = width;\r\n\r\ncanvas.height = height;\r\n\r\ncxt.translate(width, height);\r\n\r\ncxt.rotate(180 * Math.PI / 180);\r\n\r\n----\r\n\r\n270:\r\n\r\ncanvas.width = height;\r\n\r\ncanvas.height = width;\r\n\r\ncxt.translate(0, width);\r\n\r\ncxt.rotate(270 * Math.PI / 180);","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Forzhtml%2Frotateimg","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Forzhtml%2Frotateimg","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Forzhtml%2Frotateimg/lists"}