Tahuri PNG Tuhinga o mua ICO

Tahurihia Tō PNG Tuhinga o mua ICO kōnae ngawari

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Tukuatu ana

Me pēhea te huri PNG Tuhinga o mua ICO

Hipanga 1: Tukuatu tō PNG 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

PNG Tuhinga o mua ICO Ngā Pātai Auau mō te Tahuritanga

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

Whakaata atu i tōna PNG me te whakarerekētanga e hoatu ana i te whakarei ake o te āhua-āhua mō ICO. Mō te kore ngaro ICO (PNG, TIFF, BMP) ka tiakina ia pītaki; mō te ngaro ICO (JPG, WebP) ka taea te whakarerekē i te take ā-hua i mua o te tāpiritanga. Ka whakamahia e PNG te whakawhāititanga DEFLATE i runga i ngā raina tātari tātari, kia ora ai ia pikitia, tae atu ki tētahi kanikani ā-arawhiti 8-biti. 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 PNG — ka whakawāteatia ētahi atu mea, ka whakawāteatia rānei.

Kua ngaro tētahi mea i te tahuri i waenganui i te PNG me te ICO?

Kāore he raraunga pikitia, kāore. Ko ngā āhuahira e rua e rokiroki ana i te whakaahua me te kore whakawhāiti, kia ōrite ai te whakaahua e puta mai ana ki te mea i whakaurua, ā, ka taea te tāruatanga i te wā kore. Ko te huringa ko te rahi o te faila, ā, ko ngā āhuatanga haere - te hōhonu o te tae, ngā tātuhi whakawhāiti, ngā apa me te whakateretanga e tautokona ana i waenganui i ngā āhuahira kore ngaro.

Ka pupuri te tahuritanga o te tahuritanga PNG 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 i roto i te hua, ka ūngatia he mārama-mārama ICO i te wāhi o ICO=JPG. 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 PNG ki te ICO?

Ka whakamātauria ngā tātai tae ICC whakatinana mai i te PNG, ā, ka hono anō ki te ICO i reira te āhua o te tātai e tautoko ana i a ia (JPG, PNG, TIFF, WebP). Ko ngā āhua kāore i te tautoko i te tātai e hoki ana ki te sRGB, e pupuri ana i ngā tae i runga i te nuinga o ngā whakaaturanga o nāianei.

He aha mo te metadata EXIF ina tahuri PNG ki ICO?

Ko te EXIF o te kāmera (ISO, shutter, lente, GPS coordinates) e tiakina mā te pūmau i te wā o PNG → ICO ina tautokona e ngā āhuahira e rua ngā metadata. Ka whakamahia te kōwhiringa whaiaro hei whakakore i ngā metadata i mua i te whakataki mēnā e hiahiatia ana kia tiritiri ngā whakaahua me te kore tauwāhi.

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

He — ka tangohia e tātau he maha ngā pūranga PNG ki te rohe tāurunga, ā, ka whakatūtautau i a rātou i te taha kotahi. Ka whiwhi ngā kaiwhakamaori wātea ki te 100 MB ia pūranga; Kāore he kōpaka i ia pūranga, ā, ka haere tonu ngā kaimahi ōrite, nō reira ka oti te 200-pihi i raro i te rua minu.

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

Mō te tahuri ā-tūturu o te āhua, ka whakahaeretia e tātau te pūtautau ōrite libpng / libjpeg-turbo / libwebp / ImageMagick e whakamahia ana e te kaiwhakawhanake papatono, me te āhuatanga pūtea ōrite. Ko te rerekētanga ko te whakahaere rōpū whakarara — ka whakatuwheratia e ngā taupānga papatono tētahi rārangi i tētahi wā; ka whakaaetia e tātau tētahi rōpū.

He aha te rongoā o te ICO tātau pūranga?

Ko te pūmau ko te 1:1 — e pupuri ana tōtou ICO i ngā ahu pikitia o te pūtake PNG. Mēnā e hiahiatia ana e koe te whakarea hei wāhanga o te tahuritanga, ka whakamahia /resize-image/ i muri i te tahuritanga, ka whakapā atu rānei ki te utauta /image-resize/.

He iti rawa te ICO me te kore ngā ahanoa e kitea ana?

Mō JPG / WebP, ko te āhuatanga 75-85 e whiwhi ana i te ICO 60-80% iti iho i te PNG me te kore rerekētanga mārama i te tawhiti tirohia noa iho. Mō te kore ngaro ICO (PNG, TIFF), e tūmanako ana kia iti iho ngā pūtea — i te nuinga o te wā 5-30% mā te whakawhāititanga pai ake / LZW. 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.

He tūmataiti ahau PNG i te wā o te tahuritanga?

He — e whakaata ana ngā pūranga PNG i whakarewaina i roto i ngā kaimahi motuhake, ā, ka tangohia i roto i ngā minu. Kāore anō tātau ki te whakaako, ki te penapena roa, ki te tiritiri rānei i te raraunga pūtau. Ko te matapihi tūturu e tuhituhi ana i /privacy/.

He mahi te PNG ki te ICO whakarerekē mō ngā whakaahua nui rawa (50MP+)?

He mea tika mō te wāteatanga tae atu ki te 100 MB. Ka whakahaeretia e te utu ngā tāuru nui ake (300 MB+) me ngā hōhonutanga pūtauira-pōtuhi (16-bit PNG, 32-bit float TIFF). Ka rere te pūtauira i ngā rārangi kia tauinetia ai te pūmahara me te tatau rārangi, ehara i te tatau pūtauira katoa.

PNG

Ka tautokohia e ngā kōnae PNG te māramatanga, ā, ka whakamahia te kōpeketanga kore-ngaro, he mea tino pai mō ngā whakairoiro, ngā waitohu, me ngā hopu mata.

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.