{"id":81072,"date":"2020-05-10T19:42:00","date_gmt":"2020-05-10T17:42:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/razrabotchiki-steka-shriftov-linux-otkazalis-ot-podderzhki-myagkogo-sglazhivaniya"},"modified":"2020-05-10T19:42:00","modified_gmt":"2020-05-10T17:42:00","slug":"razrabotchiki-steka-shriftov-linux-otkazalis-ot-podderzhki-myagkogo-sglazhivaniya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/razrabotchiki-steka-shriftov-linux-otkazalis-ot-podderzhki-myagkogo-sglazhivaniya","title":{"rendered":"Zhvilluesit e pip\u00ebs s\u00eb shkrimeve Linux kan\u00eb ndaluar mb\u00ebshtetjen p\u00ebr antialiasing t\u00eb but\u00eb.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Disa disa p\u00ebrdorues, q\u00eb p\u00ebrdorin metod\u00ebn e h\u00ebn\u00ebzimit «hintfull», mund t\u00eb ken\u00eb v\u00ebn\u00eb re se gjat\u00eb kalimit nga versioni Pango 1.43 n\u00eb 1.44 k\u00ebrning<\/a><\/noindex> disa grupe shkronjash ka p\u00ebrkeq\u00ebsuar<\/a><\/noindex> ose plot\u00ebsisht<\/a><\/noindex> ka d\u00ebshtuar<\/a><\/noindex>.<\/p>\n

\"Zhvilluesit<\/a><\/noindex><\/center><\/p>\n

Problemi \u00ebsht\u00eb shkaktuar nga fakti se biblioteka Pango<\/a><\/noindex> ka kaluar nga p\u00ebrdorimi i FreeType<\/a><\/noindex> p\u00ebr t\u00eb marr\u00eb informacionin mbi k\u00ebrningun (distanc\u00ebn midis glifave) t\u00eb shkronjave n\u00eb HarfBuzz<\/a><\/noindex>, dhe zhvilluesit e fundit kan\u00eb vendosur t\u00eb mos mb\u00ebshtesin<\/a><\/noindex> shk\u00ebmbimi i shkrimeve sipas metod\u00ebs «hintfull». Raportohet se n\u00eb ekranet me densitet t\u00eb lart\u00eb piksel\u00ebsh (Hi-DPI), problemet me shfaqjen e shkrimeve gjat\u00eb p\u00ebrdorimit t\u00eb metodave t\u00eb h\u00ebn\u00ebzimit, t\u00eb ndryshme nga «hintfull», nuk ndodhin.<\/p>\n

P\u00ebrgjigja<\/a><\/noindex> zhvilluesi HarfBuzz (Behdad Esfahbod) nga diskutimi p\u00ebrkat\u00ebs t\u00eb problemit:<\/p>\n

\n

provova t\u00eb p\u00ebrdor stilet e huintingut q\u00eb ishin t\u00eb ndryshme nga hintfull, por vet\u00ebm ai ofron nj\u00eb paraqitje t\u00eb shkronjave q\u00eb \u00ebsht\u00eb af\u00ebr ClearType v2 n\u00eb Windows 7, i cili, sipas mendimit tim, ka renderimin m\u00eb t\u00eb mir\u00eb nga t\u00eb gjitha zgjidhjet ekzistuese.<\/i><\/p>\n

E v\u00ebrtet\u00eb. Prandaj, ne vendos\u00ebm t\u00eb mos e mb\u00ebshtesim m\u00eb. Mundohuni t\u00eb p\u00ebrshtateni me renderimin «ngjyr\u00eb» ose provoni t\u00eb gjeni di\u00e7ka tjet\u00ebr. P\u00ebrdorni Open Source, a nuk e kuptoni?<\/p><\/blockquote>\n<\/blockquote>\n

Shtes\u00eb pas diskutimeve t\u00eb m\u00ebtejshme: <\/p>\n

N\u00eb komentet e m\u00ebvonshme, zhvilluesi pozit\u00ebn e tij:<\/a><\/noindex>, q\u00eb LSP ofron mund\u00ebsin\u00eb e zgjedhjes dhe ata q\u00eb nuk jan\u00eb t\u00eb k\u00ebnaqur me gjendjen aktuale, mund t\u00eb krijojn\u00eb nj\u00eb fork t\u00eb Pango. Zhvilluesit e HarfBuzz nuk mund t\u00eb ndikojn\u00eb n\u00eb mb\u00ebshtetje dhe vendimet e saj. Behdad Esfahbod, tani mbik\u00ebqyr\u00ebsi i HarfBuzz, i cili \u00ebsht\u00eb n\u00eb vendin e par\u00eb p\u00ebr numrin e komit\u00ebve n\u00eb t\u00eb dyja<\/a><\/noindex>
\nprojekte<\/a><\/noindex>, p\u00ebrmendi se ai nuk kishte qen\u00eb i lidhur me Red Hat p\u00ebr m\u00eb shum\u00eb se 10 vjet dhe nuk ishte mbik\u00ebqyr\u00ebs i Pango. Q\u00eb nga viti 2010, ai ka kaluar n\u00eb Google dhe tani merret vet\u00ebm me HarfBuzz, i cili m\u00eb par\u00eb ishte projekti i tij personal. HarfBuzz nuk kontrollon<\/a><\/noindex> procesin e renderimit dhe Pango mund t\u00eb rip\u00ebrcaktoj\u00eb modet e k\u00ebrkuara t\u00eb huintingut n\u00eb an\u00ebn e saj. <\/p>\n

Nj\u00eb zhvillues tjet\u00ebr i HarfBuzz theksoi<\/a><\/noindex>, q\u00eb problemi \u00ebsht\u00eb n\u00eb an\u00ebn e Pango, pasi HarfBuzz nuk \u00ebsht\u00eb nj\u00eb sistem renderimi shkronjash dhe nuk mb\u00ebshtet huintingun sipas arkitektur\u00ebs s\u00eb saj. N\u00ebse Pango ka nevoj\u00eb p\u00ebr ruajtjen e huintingut, at\u00ebher\u00eb kalimi n\u00eb HarfBuzz nuk \u00ebsht\u00eb zgjedhja q\u00eb ofron mb\u00ebshtetje p\u00ebr t\u00eb. N\u00eb si\u00e7<\/a><\/noindex> arsye p\u00ebr refuzimin p\u00ebr t\u00eb realizuar huintingun n\u00eb HarfBuzz \u00ebsht\u00eb p\u00ebrshkruar se disa moda huintingu shkaktojn\u00eb ndryshimin e gjer\u00ebsis\u00eb origjinale t\u00eb glifit dhe kjo ndryshim varet nga madh\u00ebsia n\u00eb piksel. M\u00eb par\u00eb, Pango e realizonte operacionet e tilla p\u00ebrmes FreeType, i cili mb\u00ebshteste huintingun, por m\u00eb pas kaloi n\u00eb HarfBuzz, i cili siguron p\u00ebrpunimin e glifave pa lidhje me madh\u00ebsin\u00eb e tyre. Prandaj, zgjidhja e problemeve q\u00eb lindin gjat\u00eb p\u00ebrdorimit t\u00eb Pango \u00ebsht\u00eb p\u00ebrgjegj\u00ebsi e Pango, dhe jo e HarfBuzz.<\/p>\n

P\u00ebrfundimisht, Behdad Esfahbod publikoi<\/a><\/noindex> ka nj\u00eb retrospektiv\u00eb t\u00eb madhe t\u00eb zhvillimit t\u00eb stack-ut t\u00eb shkronjave n\u00eb Linux. Pas largimit t\u00eb tij n\u00eb Google, bibliotekat Pango dhe Cairo kan\u00eb mbetur praktikisht t\u00eb braktisura dhe kan\u00eb r\u00ebn\u00eb n\u00eb stagnim. N\u00eb HarfBuzz, puna \u00ebsht\u00eb p\u00ebrqendruar n\u00eb mb\u00ebshtetje t\u00eb shkronjave t\u00eb variablave (variable-font), nd\u00ebrsa Red Hat ka fokusuar v\u00ebmendjen kryesore n\u00eb GTK dhe Glib. Me kalimin e koh\u00ebs, zhvillimet n\u00eb fush\u00ebn e shkronjave t\u00eb variablave jan\u00eb transferuar n\u00eb FreeType, fontconfig dhe Cairo, por kan\u00eb mbetur t\u00eb paplota n\u00eb Pango p\u00ebr shkak t\u00eb munges\u00ebs s\u00eb zhvilluesve. Q \uc811\uadfc t\u00eb API-ve t\u00eb reja n\u00eb Pango \u00ebsht\u00eb ofruar p\u00ebrmes abstrektimit FontMap dhe \u00ebsht\u00eb mb\u00ebshtetur vet\u00ebm p\u00ebr backend-et e bazuara n\u00eb FreeType. Backend-et p\u00ebr Windows dhe macOS kan\u00eb mbetur pa mb\u00ebshtetje p\u00ebr m\u00eb shum\u00eb se 10 vjet. <\/p>\n

Pas zgjerimit t\u00eb pajisjeve mobile dhe shfletuesve, Microsoft ndaloi n\u00eb Windows 8 mb\u00ebshtetje p\u00ebr renderimin sub-piksel t\u00eb shkrimeve dhe p\u00ebr stilin GDI. macOS gjithmon\u00eb ka mb\u00ebshtetur renderimin, q\u00eb n\u00eb k\u00ebt\u00eb diskutim quhet «i paq\u00ebndruesh\u00ebm». Q\u00eb nga viti 2018, disa zhvillues t\u00eb HarfBuzz p\u00ebrpiqen t\u00eb transferojn\u00eb mund\u00ebsit\u00eb e reja t\u00eb HarfBuzz n\u00eb Pango. Paralelisht, gjat\u00eb zhvillimit t\u00eb GTK4 u realizua kalimi n\u00eb renderim mbi baz\u00ebn e OpenGL, q\u00eb n\u00ebnkupton skalimin linear t\u00eb tekstit, \u00e7ka thelloi p\u00ebrplasjen mes renderimit pikselor dhe renditjes s\u00eb shkall\u00ebzuar.<\/p>\n

LibreOffice, Chrome dhe Firefox kan\u00eb kaluar n\u00eb p\u00ebrdorimin e HarfBuzz si nj\u00eb motor unifikues t\u00eb form\u00ebs, me \u00e7mimin e ndalimit t\u00eb mb\u00ebshtetjes p\u00ebr shkronjat raster dhe formatin Type1. P\u00ebr shkronjat raster, atyre q\u00eb u nevojiten \u00ebsht\u00eb propozuar t\u00eb shnd\u00ebrrojn\u00eb ato n\u00eb kontejner OpenType. N\u00eb Adobe \u00ebsht\u00eb d\u00ebrguar nj\u00eb k\u00ebrkes\u00eb p\u00ebr implementimin e Type1 p\u00ebr HarfBuzz, por ata u p\u00ebrgjigj\u00ebn se nuk ka kuptim, pasi vet\u00eb ndalin mb\u00ebshtetje p\u00ebr Type1 k\u00ebt\u00eb vit. <\/p>\n

P\u00ebr t\u00eb arritur teknologjit\u00eb q\u00eb kan\u00eb p\u00ebrparuar, nj\u00eb zgjidhje e ngjashme p\u00ebr kalimin n\u00eb HarfBuzz u miratua gjithashtu p\u00ebr bibliotek\u00ebn Pango. \u00c7mimi ishte ndalimi i mb\u00ebshtetjes p\u00ebr disa teknologji t\u00eb vjetra 20 vje\u00e7are. \u00cbsht\u00eb theksuar se, duke marr\u00eb parasysh burimet e kufizuara t\u00eb zhvilluesve, n\u00eb t\u00eb gjitha nuk ka mjaft duar, dhe ata q\u00eb jan\u00eb t\u00eb interesuar p\u00ebr ruajtjen e teknologjive t\u00eb vjetra mund t\u00eb p\u00ebrpiqen t\u00eb gjejn\u00eb dik\u00eb q\u00eb \u00ebsht\u00eb i gatsh\u00ebm t\u00eb merret me mb\u00ebshtetje funksionaliteti q\u00eb u mungon. Si krahasim, p\u00ebrmendet GNOME3, pas shfaqjes s\u00eb s\u00eb cil\u00ebs ata t\u00eb pak\u00ebnaqur arrit\u00ebn t\u00eb vazhdojn\u00eb zhvillimin e teknologjive t\u00eb vjetra GNOME2 n\u00eb kuad\u00ebr t\u00eb projekteve Mate dhe Cinnamon. E nj\u00ebjta gj\u00eb vlen edhe p\u00ebr Pango, por deri tani nuk jan\u00eb gjetur d\u00ebshira.<\/p>\n

<\/a><\/noindex><\/p>\n

Burimi: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442 \u043c\u0435\u0442\u043e\u0434 \u0445\u0438\u043d\u0442\u0438\u043d\u0433\u0430 «hintfull», \u043c\u043e\u0433\u043b\u0438 \u0437\u0430\u043c\u0435\u0442\u0438\u0442\u044c, \u0447\u0442\u043e \u043f\u0440\u0438 \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u0435 \u0441 \u0432\u0435\u0440\u0441\u0438\u0438 Pango 1.43 \u043d\u0430 1.44 \u043a\u0451\u0440\u043d\u0438\u043d\u0433 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0441\u0435\u043c\u0435\u0439\u0441\u0442\u0432 \u0448\u0440\u0438\u0444\u0442\u043e\u0432 \u0443\u0445\u0443\u0434\u0448\u0438\u043b\u0441\u044f \u0438\u043b\u0438 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0441\u043b\u043e\u043c\u0430\u043b\u0441\u044f. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0442\u0435\u043c, \u0447\u0442\u043e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 Pango \u043f\u0435\u0440\u0435\u0448\u043b\u0430 \u043e\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f FreeType \u0434\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u043e \u043a\u0451\u0440\u043d\u0438\u043d\u0433\u0435 (\u0440\u0430\u0441\u0441\u0442\u043e\u044f\u043d\u0438\u0438 \u043c\u0435\u0436\u0434\u0443 \u0433\u043b\u0438\u0444\u0430\u043c\u0438) \u0448\u0440\u0438\u0444\u0442\u043e\u0432 \u043a HarfBuzz, \u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043f\u0440\u0438\u043d\u044f\u043b\u0438 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u043d\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0442\u044c 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