X xinshou89855219 Unregistered / Unconfirmed GUEST, unregistred user! 2008-03-04 #1 现在我急需把1980*1488的JPG文件调整为800*600,然后转存为文件,高手们谁有好的算法,分享一下,谢谢!!
D delphigbg Unregistered / Unconfirmed GUEST, unregistred user! 2008-03-04 #4 這個你可以將圖片讀到stream中.再從中寫到畫板,應該可以的.我做過,不過是將bmp的轉jpg
X xinshou89855219 Unregistered / Unconfirmed GUEST, unregistred user! 2008-03-04 #5 delphigbg,可以写得详细一些吗,最好有代码,谢谢!!!!!
G guanyueguan Unregistered / Unconfirmed GUEST, unregistred user! 2008-03-04 #6 Jpg -> Bmp -> StretchBlt -> Bmp -> Jpg 這這麼簡單。
E e- Unregistered / Unconfirmed GUEST, unregistred user! 2008-03-04 #7 gdi+ http://www.progdigy.com/modules.php?name=gdiplus demo/Using Images, Bitmaps, and Metafiles/Creating Thumbnail Images
gdi+ http://www.progdigy.com/modules.php?name=gdiplus demo/Using Images, Bitmaps, and Metafiles/Creating Thumbnail Images
X xinshou89855219 Unregistered / Unconfirmed GUEST, unregistred user! 2008-03-04 #8 我试了用 StretchBlt,效果太差,没有其他办法了吗,高手们?
X xifengge Unregistered / Unconfirmed GUEST, unregistred user! 2008-03-04 #9 效果差是因为你TJPEGQualityRange参数设太低了吧?