Wannan jagorar zai nuna maka yadda za a sarrafa hotuna ta amfani da layin layin Linux.
Za ka ga yadda za a sake mayar da hotunan ta hanyar girman fayil da sikelin. Za ku koyi yadda za a sauya tsakanin nau'in fayiloli masu yawa kamar daga JPG zuwa PNG ko GIF zuwa TIF .
Dokar Juyawa
Ana amfani da umurnin tuba don canza hoto. Tsarin shine kamar haka:
sauya [zaɓuɓɓukan shigarwa] shigar da fayil [fitarwa kayan aiki] fayil mai sarrafa fayil.
Yadda za a Rarraba wani Hoton
Idan za ku hada hoto a kan shafin yanar gizon kuma kuna so ya zama girman musamman sannan kuna iya amfani da wasu CSS don sake girman hoto.
Yana da kyau mafi alhẽri koda yake kunna hotunan azaman daidai a wuri na farko kuma saka shi cikin shafin.
Wannan ba shakka ba ne kawai misalin abin da ya sa kake so su sake girman hoto .
Don sake girman hoto ya yi amfani da umarni mai zuwa
sabon tuba imagename.jpg -resize girma newimagename.jpg
Alal misali, don canza hoto don zama 800x600 zakuyi amfani da umarnin nan:
Maidawa imagename.jpg -resize 800x600 newimagename.jpg
Idan ta hanyar canzawa zuwa ƙayyadadden ƙayyadaddun yanayin za a yi rikici zuwa sama za a sake yin hotunan zuwa mafi kusa.
Don tilasta yin hira zuwa daidai girman, yi amfani da umarnin da ke gaba:
sabon tuba imagename.jpg -resize 800x600! newimagename.jpg
Ba dole ba ne ka ƙayyade tsawo da nisa a matsayin ɓangare na umurnin musayar wuta.
Alal misali, idan kuna son girman su zama 800 kuma ba ku damu da tsawo ba za ku iya amfani da umarnin da ake biyowa:
sabon tuba imagename.jpg -resize 800 newimagename.jpg
Don sake girman hoto don zama tsayi mai tsawo ya yi amfani da umarni mai zuwa:
maida imagename, jpg -resize x600 newimagename.jpg
Yadda za a Sauya Daga Ɗaya daga Hoton Hotuna zuwa Wani
Idan kana da fayil na JPG kuma kana son canza shi zuwa PNG sannan zaka yi amfani da wannan umurnin:
canza image.jpg image.png
Zaka iya haɗuwa da siffofin fayiloli daban-daban. Misali
canza image.png image.gif
canza image.jpg image.bmp
maida image.gif image.tif
Yadda za a daidaita Yanayin Fassara don Hoton
Akwai hanyoyi da yawa don canja girman fayil ɗin jiki na hoton.
- Canja rabo na rabo (sanya shi karami)
- Canja tsarin fayil ɗin
- Canja darajar ƙwaƙwalwa
Rage girman girman hoton zai sa girman fayil ya fi yawa. Bugu da ƙari, ta amfani da tsarin fayil wanda ya haɗa da matsawa irin su JPG zai taimake ka ka rage girman fayil ɗin jiki.
A karshe daidaitawa ingancin zai sa ƙaramin fayil ɗin jiki ya fi ƙarfin.
Sassan da suka gabata 2 sun nuna maka yadda za a daidaita girman da nau'in fayil. Don damfara hotunan ya gwada umarnin nan:
maida imagename.jpg-daidaitaka 90 newimage.jpg
An ƙayyade inganci azaman kashi. Ƙananan ƙananan yawan ƙananan fayil ɗin sarrafawa amma a bayyane yake ƙimar kyautar ƙarshe bata da kyau.
Yadda za a Gyara Images
Idan ka ɗauki hotunan hoto amma kana son ya zama hoto mai faɗi za ka iya juya siffar ta yin amfani da umarnin nan:
sabon tuba imagename.jpg -rotate 90 newimage.jpg
Zaka iya saka kowane kwana don juyawa.
Alal misali, gwada wannan:
sabon tuba imagename.jpg -rotate 45 newimage.jpg
Zaɓuɓɓukan Zabin Lissafin Saiti
Akwai hanyoyi na layin umarni da yawa waɗanda za a iya amfani da su tare da umurnin tuba kamar yadda aka nuna a nan:
An tsara zaɓuɓɓuka cikin tsari na umurnin. Duk wani zaɓi da ka saka a kan layin umarni ya kasance a cikin sakamako don saitin hotuna da suka biyo baya, har sai an saita saiti ta bayyanar kowane zaɓi ko -noop . Wasu zaɓuɓɓuka zasu shafi rikodin hotuna da sauran kawai coding. Ƙarshen na iya bayyana bayan ƙungiyar ƙarshe ta shigar da hotuna.
Don ƙarin bayani game da kowane zaɓi, duba ImageMagick .
| -djoin | shiga hotuna a cikin fayil guda guda-image |
| -affine | zana fasalin matakan |
| -antialias | cire adireshin pixel |
| -append | Ƙara wani saitin hotuna |
| -average | matsakaita saitin hotuna |
| -a baya | launin launi |
| -blur x | Buga hoton tare da mai ba da agajin gaussian |
| -border x | kewaye hoto tare da iyakar launi |
| -bordercolor | launi iyakar |
| -box | saita launi na akwatin rubutun annotation |
| -cache | Megabytes na ƙwaƙwalwar ajiyar samuwa ga pixel cache |
| -channel | irin tashar |
| -charcoal | Yi amfani da zane mai kwalliya |
| -chop x {+ -} {+ -} {%} | cire fayiloli daga ciki na hoto |
| -clip | Yi amfani da hanyar ɓatarwa, idan wanda ya kasance |
| -coalesce | haɗu da jerin hotuna |
| -colorize | canza launin hoton da launi |
| -colors | fi so yawan launuka a cikin hoton |
| -colorspace | irin launuka |
| -comment | Rubuta hoto tare da sharhi |
| -wassara | irin hotunan hoton |
| -compress | irin nauyin hoto |
| -contrast | haɓaka ko rage siffar siffar |
| -crop x {+ -} {+ -} {%} | girman fifiko da kuma wuri na hoton hoto |
| -cycle | cire yanayin launi ta hanyar adadin |
| -bug | baza debug printout |
| -deconstruct | kaddamar da jerin siffofi a cikin sassa |
| -delay <1 / 100ths na biyu> | nuna hoton da ke gaba bayan dakatarwa |
| ƴan x | Daidaitaccen nuni da kwance a cikin pixels na hoton |
| -depth | zurfin hoton |
| -speckle | rage speckles a cikin hoton |
| -display | ƙayyade adres X don tuntuɓar |
| -dispose | Hanyar zubar da GIF |
| -day | shafi Floyd / Steinberg kuskuren kuskure zuwa hoton |
| -draw | annotate wani hoton tare da ɗaya ko fiye na farko na hoto |
| -edge | gano gefuna a cikin hoto |
| -emboss | asali hoto |
| -nododing | saka bayanin shigar da rubutu |
| -endian | saka endianness (MSB ko LSB) na hoton fitarwa |
| -anance | Yi amfani da tacewar ta digital don bunkasa hoton da ke da kyau |
| -equalize | aiwatar da daidaitaccen tarihin tarihin hotunan |
| -fill | launi don amfani da lokacin cika cikawar hoto |
| -filter | Yi amfani da irin wannan tace lokacin da ya sake hoton hoto |
| -flatten | shimfiɗa jerin jerin hotuna |
| -flip | kirkirar "hoto madubi" |
| -flop | kirkirar "hoto madubi" |
| -font | Yi amfani da wannan jigilar lokacin da annotating hoton da rubutu |
| -frame x ++ | kewaye da hoton tare da iyakar kogi |
| -fuzz {%} | launuka a cikin wannan nesa suna dauke daidai |
| -gamma | matakin gyaran gamma |
| -gaussian x | Buga hoton tare da mai ba da agajin gaussian |
| -yayyakoki x {+ -} {+ -} {%} {@} {!} {<} {>} | filayen da aka fi so da kuma wuri na Image taga. |
| -gajin nauyi | jagorancin jagorancin lokaci yana nunawa a lokacin da ke nuna hoto. |
| -help | bugun bayanan amfani |
| -plode | Tana kiran hotunan hoto game da cibiyar |
| -ntentent | Yi amfani da wannan ma'ana daidai lokacin da kake sarrafa launin launi |
| -arlacewa | nau'i na makircin haɗaka |
| -label | sanya lakabi zuwa hoto |
| -kari | daidaita yanayin bambancin hoto |
| -list | nau'in jerin |
| -loop | ƙara Netscape madauri tsawo zuwa GIF animation |
| -map | zabi wani salo na musamman daga wannan hoton |
| -mask | Saka bayanai a mask |
| -matte | adana matte tashar idan hoton yana da daya |
| -median | Yi amfani da tazarar tazarar hoto zuwa hoton |
| -modulate | bambanta haske, saturation, da kuma zane na hoto |
| -monochrome | canza yanayin zuwa baki da fari |
| -morph | Hanyoyin siffar hoto |
| -mosaic | ƙirƙirar mosaic daga jerin hoton |
| -negate | maye gurbin kowane pixel tare da karin launi |
| -noise | Ƙara ko rage karɓa a cikin hoto |
| -noop | NOOP (babu zaɓi) |
| -normalize | canza yanayin don yada dukkanin lambobin launi |
| -opaque | canza wannan launi zuwa launin launi a cikin hoton |
| -page x {+ -} {+ -} {%} {!} {<} {>} | size da kuma wuri na zanen hoto |
| -aƙafi | Yi amfani da zanen mai |
| -pen | saka adadin alamar launi domin aikin zane |
| -ping | Daidaitaccen ƙayyade halaye na hoto |
| -wallafawa | nuna mahimmanci game da Postscript, OPTION1, ko kuma Gaskiya |
| -wallafa | samfurin bidiyo |
| -process | aiwatar da jerin hotuna |
| -profile | ƙara ICM, IPTC, ko bayanan martaba zuwa hoto |
| -quality | JPEG / MIFF / PNG matakin matsawa |
| -raise x | Ƙara haske ko rufe gefen gefe |
| -region x {+ -} {+ -} | Yi amfani da zaɓuɓɓuka zuwa wani ɓangare na hoton |
| -Suɗa x {%} {@} {!} {<} {>} | sake girman hoto |
| -roll {+ -} {+ -} | mirgine hoto a tsaye ko a kai tsaye |
| -rotate {<} {>} | amfani Paeth image juyawa zuwa hoton |
| -sample | Girman samfurin da samfurin pixel |
| -sampling_factor x | samfurin samfurin amfani da JPEG ko MPEG-2 codeod kuma YUV decoder / encoder. |
| -scale | sikelin hoton. |
| -scene | saita lamuni |
| -seed | lambar jigilar yawan jigilar mahaifa |
| -e'ayi x | kashi wani hoto |
| -shade x | inuwa hoton ta amfani da hasken haske mai nisa |
| -sharpen x | shimfiɗa hoton |
| -shave x | shafe pixels daga gefuna gefen |
| ƴan x | shear da image tare da X ko Y axis |
| -wannan x {+ kashewa} | nisa da tsawo na hoton |
| -solarize | negate duk pixels sama da matakin ƙofar |
| -spread | kawar da pixels na hoto ta wani adadin bazuwar |
| -stroke | launi don yin amfani da lokacin da yake bugun wani abu mai mahimmanci |
| -strokewidth | saita fasalin fashe |
| -swirl | Sanya hotuna hotuna game da cibiyar |
| -alura | sunan rubutun zuwa layi a kan bayanan hoto |
| -wallafa | kofa da siffar |
| -ti | siffar tayal lokacin cika cikawar hoto |
| -transform | canza siffar |
| -transparent | Yi wannan launi a cikin hoton |
| -treedepth | zurfin itace don lalata algorithm launi |
| -trim | Gyara hoto |
| -type | nau'in siffar |
| -units | irin ƙuduri na hoto |
| -unsharp x | faɗa hoton tare da mai amfani da maskot din wanda bai dace ba |
| -use_pixmap | Yi amfani da pixmap |
| -verbose | buga cikakken bayani game da hoton |
| -view | FlashPix viewing sigogi |
| -yave x | canza hoto tare da yada sine |
| -write | Rubuta jerin hoto [ sabon tuba, fasali] |
Don ƙarin bayani karanta littafin jagora don umurnin tuba.