Tahuri JPG Tuhinga o mua ICO

Tahurihia Tō JPG Tuhinga o mua ICO kōnae ngawari

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Tukuatu ana

Me pēhea te huri JPG Tuhinga o mua ICO

Hipanga 1: Tukuatu tō JPG ngā kōnae mā te whakamahi i te pātene i runga ake nei, mā te tōia me te whakataka rānei.

Hipanga 2: Pāwhiritia te pātene 'Tahuri' hei tīmata i te tahuritanga.

Hipanga 3: Tikiake i tō mea kua tahurihia ICO kōnae

JPG Tuhinga o mua ICO Ngā Pātai Auau mō te Tahuritanga

He pēhea te tahuri i a JPG ki ICO me te kore e ngaro te āhuatanga whakaahua?

Whakataki i tōna JPG me tātau kaiwhakarere e hoatu ana i te whakawhanaketanga o te āhua o te āhua mo te huaputa ICO. Mō ngā ūnga kore ngaro (PNG, TIFF, BMP) ka tiakina ngā pīti i ia wā ki te iti; mō ngā ūnga ngaro (JPG, WebP) ka taea te whakarerekē i te take ā-waiho (whakamatau 90) i mua o te tāutunga. He ngaro te JPG: ka hurihia te whakaahua ki tētahi DCT, he nui, he waehere entropi, me te kāwae āhuatanga e whakahaere ana i te nui e whakawāteatia ana. He maha ngā whakarārangi o te tohu ōrite e pupuri ana i tētahi ICO kotahi i ngā rahi rerekē — 16x16 tae noa ki te 256x256 — kia taea ai e te OS te kōwhiri i te tino mārama.

He aha nga rahinga me pupuri i te ICO?

Kei roto ko 16x16, 32x32, 48x48 me te 256x256 ā, kua taupokia e koe ia horopaki Windows me ngā kaiwhaiwāhi e tono ana. Ko tētahi ICO kotahi e pupuri ana i a rātou katoa, nā reira ka kōwhiria e te pūnaha whakahaere te ōrite tata rawa i te whakamātautau i tētahi rahi ki raro, ā, ka whakawātea. Ka tīmata mai i tētahi tapawhā JPG — ka whakawāteatia ētahi atu mea, ka whakawāteatia rānei.

Ka taea e au te whiwhi mārama ina ICO te whakaahua?

E tautoko ana te āhua ICO i tēnei, engari kāore e taea e te tahuri te whakarerekētanga. Kāore he kanikani ā-arawhiti te JPG, nō reira ko ia pikitia tae atu ki te papamuri e tae ana ki te mārama katoa. Ka haere /removebackground/ i muri mai hei whakaiti i te kaupapa — kātahi ka whakarato ētahi mea hei rokiroki i te kanikani ā-arawhiti ICO. Ka taea e te ICO te whakaae kia mahi tētahi pūranga ki tētahi taumahi, he rārangi pūranga, he whakatere papawhenua me tētahi tāpa whakataki me te kore e kitea tētahi o rātou.

Ka whakahōu te tahuritanga o JPG ki ICO te āhuatanga i ngaro?

Kāore. Ko ngā ahanoa whakawhāiti kua whakawhāititia ki roto i te JPG ko ngā raraunga pikitia noa iho ināianei, ā, ka tiaki i te ICO i rātou kia kore ai i te tango i a rātou. Ko te nuinga o te wā ka nui ake te faila, i ētahi wā he maha ngā wā nui ake. Ka tika tonu te mahi i mua i te whakarerekētanga, nā te mea kāore e whakawātea anō ngā whakarerekētanga i te whakatupuranga tuarua o te ngaronga i runga ake. Kāore he mārama a JPG, ka whakapeka anō i ia wā ka tiakina, ā, ka whakaputaina i te ātetetanga mārama i runga i te tae mārama me te kupu mārama.

Ka ora te tae CMYK o ahau i te tahuritanga ki ICO?

Ka tahuri ki te sRGB, nā te mea kāore he tikanga CMYK a ICO. Mō te whakamahinga mata, ko te mea tonu e hiahiatia ana e koe. Mō te tātuhi hokohoko, kāore — ka huri te nekehanga tauine i te āhua o te whakanaotanga o ngā tae mārō i runga i te tā, nā reira ka tukuna ki te tātuhi te taketake JPG kaua ko te ICO. Kāore te ICO i te āhua o te whakaahua whānui: he tapawhā, he iti, ā, kāore he kaiwhakawhanake whakaahua e whakaaro ana ki a ia hei pūranga mahi ā-ranga tuatahi.

E pupuri ana te ICO i te raraunga EXIF mai i tōku JPG?

E whakawhirinaki ana, ā, i te wāhi e noho ai te ūnga ki te whakatakoto i a ia - te tauira kāmera, ngā whakaritenga whakakite, te tītara me ngā taururuku GPS katoa e whakawhiti ana. Ko GPS te āpure e whakaaro ana: mēnā ka whakaputaina te whakaahua, ka whakamahia te kōwhiringa metadata-strip kia kore ai e whakapāpāho i te wāhi i hoatu ai te whakaahua. Ko JPG te paerewa JPEG mai i te tau kotahi mano e 1992, ā, i muri i ngā tekau tau e toru ko te āhua tonu o te nuinga o ngā kāmera me te nuinga o ngā whatunga e whakamahia ana mō ngā whakaahua.

Ka pupuri te tahuritanga o te tahuritanga JPG ki ICO?

Ka ora te mārama ina PNG, WebP, TIFF, GIF, SVG rānei te ICO. Ka whakarerekē te tahuri ki JPG i te kanikani ā-autōhiko ki tētahi papamuri mā — mēnā e hiahiatia ana e koe te mārama, ka kōwhiria he ūnga mārama-mārama i te ICO. Ko te ICO te āhua o te tohuāhua Windows, ā, ko te āhua o te whakaahua anake e whakaaetia ana e ngā kaiwhaiwāhi i te /favicon.ico.

Ka ora te āhua o tōku tātai tae (sRGB / Adobe RGB / CMYK) mai i te JPG ki te ICO?

Ka whakamātauria ngā tātai tae ICC whakatinana mai i te pūtake JPG, ā, ka hono anō ki te huaputa ICO i reira ka tautokona e te hanga (JPG, PNG, TIFF, WebP). Ko ngā hanga kāore i te tautoko i te tātai e hoki ana ki te sRGB me tētahi hipanga whakamātautau.

He aha e puta ana ki te metadata EXIF ina tahuri JPG ki ICO?

E pupuritia ana te EXIF o te kāmera (ISO, shutter, lens, GPS) mā te pūmau i te wā o JPG -> ICO ina tautokona e ngā āhua rua ngā metadata. Ka whakamahia te whakarerekē ā-whakaaro hei whakawātea i ngā metadata i mua i te whakataki mēnā e hiahia ana kia tiritiri i ngā whakaahua me te kore tauwāhi, pūrere-kitenga rānei.

Ka taea e au te tahuri-whakahaere i ngā rau o ngā pūranga JPG ki ICO i tētahi wā?

He — ka tangohia he maha ngā pūranga JPG ki te rohe tāpiritanga, ā, ka whakatū i te raupapa. Ka whakaaetia e te taumata wātea 100 MB ia pūranga; Kāore he kōpaka-whakahaere, ā, ka haere tonu ngā kaimahi whakawhāiti ake, nō reira ko te 200-pihi te whakamutu i raro i ngā minu e rua.

He pēhea te ōrite o JPG ki ICO ki Photoshop / GIMP mō te mahi ōrite?

Mō te tahuri ā-whakahaere, ka whakarewaina e tātau te pūtautau pūrākau pū

He aha te rongoā me ngā ahu o te ICO?

Ko te whanonga pūmau ko te 1:1 — he ōrite ngā ahu o ngā pikitia o tōtou huaputa ICO ki te pūtake JPG. Mēnā e hiahiatia ana e koe te whakarea hei wāhanga o te tahuritanga, ka whakamahia /resize-image/ i muri, ka whakapāpāho rānei i ngā mahi me te utauta /image-pipeline/.

JPG

Ka whakamahi ngā kōnae JPG i te kōpeketanga ngaronga kua arotauhia mō ngā whakaahua, kia iti ai ngā rahi kōnae me te pupuri tonu i te kounga tirohanga.

ICO

Ka whakatū i te ICO ētahi rahinga tohuāhua ki roto i tētahi pūranga kotahi kia taea ai e Windows me ngā kaiwhainga te kōwhiri i te rongoā tika mō ngā tohuāhua me ngā whakateretanga.