{"id":154,"date":"2007-05-12T16:18:43","date_gmt":"2007-05-12T14:18:43","guid":{"rendered":" http:\/\/www.nsonic.de\/blog\/2007\/05\/bitmaps-brightness-contrast\/"},"modified":"2007-05-12T16:18:46","modified_gmt":"2007-05-12T14:18:46","slug":"bitmaps-brightness-contrast","status":"publish","type":"post","link":"https:\/\/www.nsonic.de\/blog\/2007\/05\/bitmaps-brightness-contrast\/","title":{"rendered":"Bitmaps: Brightness Contrast"},"content":{"rendered":"<p>On Tue, 31 Aug 1999 14:51:36 +0800, &#8220;xiaomin&#8221;  wrote:<\/p>\n<p>>how to adjust Bright and constant for any format<br \/>\n>of bitmap(pf4 ,pf8&#8230;).<br \/>\n><br \/>\nbrightness, just add an equal value to each channel.<br \/>\ncontrast, multiply with a value, either > 1 (for increased contrast)<br \/>\nor < 1 for less contrast)\n\n- Asbj\u00f8rn\n\n[tags]Delphi, Graphic[\/tags]\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On Tue, 31 Aug 1999 14:51:36 +0800, &#8220;xiaomin&#8221; wrote: >how to adjust Bright and constant for any format >of bitmap(pf4 ,pf8&#8230;). > brightness,&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[11],"tags":[75,101],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p71Tml-2u","_links":{"self":[{"href":"https:\/\/www.nsonic.de\/blog\/wp-json\/wp\/v2\/posts\/154"}],"collection":[{"href":"https:\/\/www.nsonic.de\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nsonic.de\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nsonic.de\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nsonic.de\/blog\/wp-json\/wp\/v2\/comments?post=154"}],"version-history":[{"count":0,"href":"https:\/\/www.nsonic.de\/blog\/wp-json\/wp\/v2\/posts\/154\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.nsonic.de\/blog\/wp-json\/wp\/v2\/media?parent=154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nsonic.de\/blog\/wp-json\/wp\/v2\/categories?post=154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nsonic.de\/blog\/wp-json\/wp\/v2\/tags?post=154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}