{"id":13636635,"url":"https://github.com/tavikukko/lua-resty-hpdf","last_synced_at":"2025-04-11T10:13:03.413Z","repository":{"id":12874973,"uuid":"15551391","full_name":"tavikukko/lua-resty-hpdf","owner":"tavikukko","description":null,"archived":false,"fork":false,"pushed_at":"2014-01-08T00:45:57.000Z","size":240,"stargazers_count":8,"open_issues_count":1,"forks_count":3,"subscribers_count":2,"default_branch":"master","last_synced_at":"2024-02-14T05:34:04.230Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"Lua","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/tavikukko.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}},"created_at":"2013-12-31T14:41:46.000Z","updated_at":"2024-02-14T05:34:04.231Z","dependencies_parsed_at":"2022-09-02T19:22:39.352Z","dependency_job_id":null,"html_url":"https://github.com/tavikukko/lua-resty-hpdf","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tavikukko%2Flua-resty-hpdf","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tavikukko%2Flua-resty-hpdf/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tavikukko%2Flua-resty-hpdf/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tavikukko%2Flua-resty-hpdf/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/tavikukko","download_url":"https://codeload.github.com/tavikukko/lua-resty-hpdf/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":248372994,"owners_count":21093138,"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":"2024-08-02T00:01:03.581Z","updated_at":"2025-04-11T10:13:03.383Z","avatar_url":"https://github.com/tavikukko.png","language":"Lua","funding_links":[],"categories":["Libraries"],"sub_categories":[],"readme":"lua-resty-hpdf\n==============\nLuaJIT FFI-based libHaru (PDF) library for OpenResty.\n\nusage\n--------------\n\n    local hpdf = require \"hpdf\"\n    \n    local left = 25;\n    local top = 545;\n    local right = 200;\n    local bottom = top - 40;\n    local text = \"The quick brown fox jumps over the lazy dog.\"\n    \n    local pdf = hpdf.new()\n    pdf.encoder:use('utf')\n    pdf.font:labels(0, \"LOWER_ROMAN\", 1, \"\")\n\n\tlocal fontname = pdf.font:load(\"/usr/local/openresty/nginx/lua/DejaVuSans.ttf\", true)\n\tlocal font = pdf.font:get(fontname, \"UTF-8\")\n    local page = pdf.pages:add()\n    page:set_size(\"A5\", \"PORTRAIT\")\n\tpage:text_leading(20)\n\n\tgrid(pdf, page)\n\n\t-- LEFT\n\tpage:rectangle(left, bottom, right - left, top - bottom)\n\tpage:stroke()\n\tpage:set_font_and_size(font, 8)\n\tpage:begin_text()\n\tpage:text_out(left, top + 3, \"demo align LEFT\")\n\tpage:set_font_and_size(font, 10)\n\tpage:text_rect(left, top, right, bottom, text, \"LEFT\", nil)\n\tpage:end_text()\n\n\t-- RIGTH\n\tleft = 220;\n\tright = 395;\n\t\n\tpage:rectangle(left, bottom, right - left, top - bottom)\n\tpage:stroke()\n\tpage:set_font_and_size(font, 8)\n\tpage:begin_text()\n\tpage:text_out(left, top + 3, \"demo align LEFT\")\n\tpage:set_font_and_size(font, 10)\n\tpage:text_rect(left, top, right, bottom, text, \"RIGHT\", nil)\n\tpage:end_text()\n\n\t-- CENTER \n\tleft = 25;\n\ttop = 475;\n\tright = 200;\n\tbottom = top - 40;\n\n\tpage:rectangle(left, bottom, right - left, top - bottom)\n\tpage:stroke()\n\tpage:set_font_and_size(font, 8)\n\tpage:begin_text()\n\tpage:text_out(left, top + 3, \"demo align CENTER\")\n\tpage:set_font_and_size(font, 10)\n\tpage:text_rect(left, top, right, bottom, text, \"CENTER\", nil)\n\tpage:end_text()\n\n\t-- JUSTIFY\n\tleft = 220\n\tright = 395\n\n\tpage:rectangle(left, bottom, right - left, top - bottom)\n\tpage:stroke()\n\tpage:set_font_and_size(font, 8)\n\tpage:begin_text()\n\tpage:text_out(left, top + 3, \"demo align JUSTIFY\")\n\tpage:set_font_and_size(font, 10)\n\tpage:text_rect(left, top, right, bottom, text, \"JUSTIFY\", nil)\n\tpage:end_text()\n\n  \t-- Skewed coordinate system\n    local angle1 = 5\n    local angle2 = 10\n    local rad1 = angle1 / 180 * 3.141592\n    local rad2 = angle2 / 180 * 3.141592\n\n    left = 0\n    top = 40\n    right = 175\n    bottom = 0\n\n\tpage:gsave()\n    page:concat(1, math.tan(rad1), math.tan(rad2), 1, 25, 350)\n    page:rectangle(left, bottom, right - left, top - bottom)\n\tpage:stroke()\n\tpage:set_font_and_size(font, 8)\n\tpage:begin_text()\n\tpage:text_out(left, top + 3, \"Skewed coordinate system\")\n\tpage:set_font_and_size(font, 10)\n\tpage:text_rect(left, top, right, bottom, text, \"LEFT\", nil)\n\tpage:end_text()\n\tpage:grestore()\n\n\n    -- Rotated coordinate system\n    page:gsave()\n\n    angle1 = 5\n    rad1 = angle1 / 180 * 3.141592\n    left = 0\n    top = 40\n    right = 175\n    bottom = 0\n\n    page:concat(math.cos(rad1), math.sin(rad1), -math.sin(rad1), math.cos(rad1), 220, 350)\n    page:rectangle(left, bottom, right - left, top - bottom)\n\tpage:stroke()\n\tpage:set_font_and_size(font, 8)\n\tpage:begin_text()\n    page:text_out(left, top + 3, \"Rotated coordinate system\")\n\tpage:set_font_and_size(font, 10)\n\tpage:text_rect(left, top, right, bottom, text, \"LEFT\", nil)\n\tpage:end_text()\n\tpage:grestore()\n\n    -- text along a circle \n    angle1 = 360 / string.len(text)\n    angle2 = 180\n\n    page:gray_stroke(0)\n\tpage:circle(210, 190, 145)\n\tpage:circle(210, 190, 113)\n\tpage:stroke()\n\tpage:begin_text()\n\tpage:set_font_and_size(font, 15)\n\n    for i = 0, string.len(text) - 1, 1 do\n\t\trad1 = (angle2 - 90) / 180 * 3.141592\n\t\trad2 = angle2 / 180 * 3.141592\n\t\tlocal x = 210 + math.cos(rad2) * 122\n\t\tlocal y = 190 + math.sin(rad2) * 122\n\t\tpage:text_matrix(math.cos(rad1), math.sin(rad1), -math.sin(rad1), math.cos(rad1), x, y)\n\t\tlocal chr = text:sub(i,i)\n\t\tpage:text_show(chr)\n\t\tangle2 = angle2 - angle1\n    end\n\n\tpage:end_text()\n\n\n    pdf:save('document.pdf')\n    pdf:free()\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftavikukko%2Flua-resty-hpdf","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ftavikukko%2Flua-resty-hpdf","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftavikukko%2Flua-resty-hpdf/lists"}