function?composite?=?blendfunc（base?blend?mode）
switch（mode）
????case?‘lighten‘
????????composite?=?lighten（base?blend）;
????case?‘darken‘
????????composite?=?darken（base?blend）;
????case?‘multiply‘
????????composite?=?multiply（base?blend）;
????case?‘screen‘?
????????composite?=?screen（base?blend）;
????case?‘overlay‘
????????composite?=?overlay（base?blend）;??????????
????case?‘softlight‘
????????composite?=?softlight（base?blend）;??????
????case?‘colordodge‘
????????composite?=?colordodge（base?blend）;
????case?‘colorburn‘
????????composite?=?colorburn（base?blend）;
????case?‘lineardodge‘
????????composite?=?lineardodge（base?blend）;
????case?‘linearburn‘
????????composite?=?linearburn（base?blend）;
????case?‘difference‘
????????composite?=?difference（base?blend）;
????case?‘vividlight‘
????????composite?=?vividlight（base?blend）;
????case?‘pinlight‘
????????composite?=?pinlight（base?blend）;
????case?‘hardmix‘
????????composite?=?hardmix（base?blend）;
????case?‘exclusion‘
????????composite?=?exclusion（base?blend）;
????case?‘linearlight‘
????????composite?=?linearlight（base?blend）;
????otherwise
????????error（‘Incorrect?blending?option‘）;
end

function?composite?=?darken（base?blend）
composite?=?min（base?blend）;

function?composite?=?lighten（base?blend）
composite?=?max（base?blend）;

function?composite?=?multiply（base?blend）
composite?=?base?.*?blend;

function?composite?=?screen（base?blend）
composite?=?base?+?blend?.*?（1.0?-?base）;

function?composite?=?overlay（base?blend）
composite?=?base?+?（blend?-?0.5）?.*?（1.0?-?abs（2.0?*?base?-?1.0））;

function?composite?=?softlight（base?blend）
mask?=?blend?>?0.5;
composite?=?base?.*?（2.0?*?blend?+?base?.*?（1.0?-?2.0?*?blend））;
composite2?=?sqrt（base）?.*?（2.0?*?blend?-?1.0）?+?2.0?*?base?.*?（1.0?-?blend）;
composite（mask）?=?composite2（mask）;

function?composite?=?colordodge（base?blend）
mask?=?（blend?~=?1.0）;
composite?=?blend;
composite2?=?min（base?./?（1.0?-?blend）?1.0）;
composite（mask）?=?composite2（mask）;

function?composite?=?colorburn（base?blend）
mask?=?（blend?~=?0.0）;
composite?=?blend;
composite2?=?max（（1.0?-?（（1.0?-?base）?./?blend））?0.0）;
composite（mask）?=?composite2（mask）;

function?composite?=?difference（base?blend）
composite?=?abs（base?-?blend）;

function?composite?=?vividlight（base?blend）
mask?=?（blend?>?0.5）;
composite?=?colorburn（base?2.0?*?blend）;
composite2?=?colordodge（base?2.0?*?blend?-?1.0）;
composite（mask）?=?composite2（mask）;

function?composite?=?pinlight（base?blend）
mask?=?（blend?>?0.5）;
composite?=?darken（base?2.0?*?blend）;
composite2?=?lighten（base?2.0?*?blend?-?1.0）;
composite（mask）?=?composite2（mask）;

function?composite?=?hardmix（base?blend）
vivid_light?=?vividlight（base?blend）;
composite?=?zeros（size（base））;
composite（vivid_light?>?0.5）?=?1.0;

function?composite?=?linearburn（base?blend）
composite?=?max（base?+?blend?-?1.0?0.0）;

function?composite?=?lineardodge（b

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????25782??2010-05-07?22:08??PsBlend\base.jpg

?????文件??????53632??2010-05-07?22:07??PsBlend\Blend.jpg

?????文件???????3349??2010-05-08?01:19??PsBlend\blendfunc.m

?????文件???????1508??2010-05-08?01:23??PsBlend\testpsmath.m

?????目錄??????????0??2010-05-08?01:20??PsBlend

?????文件?????????16??2010-05-08?01:25??PsBlend\ReadMe.txt

-----------?---------??----------?-----??----

????????????????84287????????????????????6