Nekuti screenshot imwechete vhidhiyo mhando iyi fomati isiri-inonzwisisika zvakanaka pa. Chii chiri pa skrini imwechete vhidhiyo ndeyekugara, mavara, ma BMP haina kufanira decoder library, saka ichiri kuchengetedza interchange format yeembedded systems uye Windows tooling.
Nei BMP yangu iri yakakura kupfuura iyo imwecheteyo photo seJPG?
+
Nekuti iri kuchengeta yega yega pixel, uye muvhidhiyo hapana kakawanda kakawanda kamwechete. Lossless compression inoita basa nekuwana kudzokorora, uye mvura, nyoro uye gradients inopa zvishoma, saka faira rinogara richienzaniswa nechiyero chayo chekutanga. Pa screenshot, logo kana line art, compression imwecheteyo inoshamisa. Iyo yakaparadzana — yakanakisisa panyama, yakaipa pavhidhiyo — ndiyo nyaya yose yekuti rini rino format richigona kuitwa. BMP idiki kwazvo—12-megapixel photo idiki kupfuura 36 MB—uye hapana browser inoiona seyakachengeteka web format.
Nei shure kwese kwandakaisa kubuda pachena kwachinja kuita bhuruu mu BMP?
+
Nekuti BMP haina alpha channel yekuichengeta. Kana uchida kuisa vhidhiyo, tarisa kuti iine mapikicha akafanana. Kana uchida kuisa vhidhiyo, tarisa kuti iine mapikicha akafanana. Kana uchida kuisa vhidhiyo, tarisa kuti iine mapikicha akafanana. Kana uchida kuisa vhidhiyo, tarisa kuti iine mapikicha akafanana. Kana uchida kuisa vhidhiyo, tarisa kuti iine mapikicha akafanana. Kana uchida kuisa vhidhiyo, tarisa kuti iine mapikicha akafanana. Kana uchida kuisa vhidhiyo, tarisa kuti iine mapikicha akafanana.
Yeah, for exactly the reason it is the wrong one for photographs. Interface chrome, text and hard-edged graphics are large areas of identical color with sharp boundaries, which lossless compression handles efficiently and lossy compression smears — the tell is the faint halo that appears around lettering once a screenshot has been through a photographic encoder. Keep screenshots here and convert only when something downstream insists.