'
'圖形顏色類'
option explicit
dim colors() as
variant
dim colortouse as
long
' '建立乙個調色盤.
'函式名: createcolorpal
'入口引數: colorpic as object
'說明:colorpic 欲設定成調色盤的物件名
'作用: 將乙個物件設定成乙個調色盤
public
sub createcolorpal(colorpic as
object)
dim i as
long
colorpic.autoredraw = true
colorpic.scale (0, 0)-(16, 3)
colors = array(16777215, 14737632, 12632319, 12640511, _
14745599, 12648384, 16777152, 16761024, _
16761087, 192, 16576, 49344, _
49152, 12632064, 12582912, 12583104, _
12632256, 4210752, 8421631, 8438015, _
8454143, 8454016, 16777088, 16744576, _
16744703, 128, 16512, 32896, _
32768, 8421376, 8388608, 8388736, _
8421504, 0, 255, 33023, _
65535, 65280, 16776960, 16711680, _
16711935, 64, 4210816, 16448, _
16384, 4210688, 4194304, 4194368)
for i = 0 to 15
colorpic.line (i, 0)-(i + 1, 1), colors(i), bf
colorpic.line (i, 1)-(i + 1, 2), colors(i + 16), bf
colorpic.line (i, 2)-(i + 1, 3), colors(i + 32), bf
if i > 0 then
colorpic.line (i, 0)-(i, 3)
endif
next i
colorpic.line (0, 1)-(16, 1)
colorpic.line (0, 2)-(16, 2)
endsub
' '從調色盤中取顏色.
'函式名: getpiccolor
'入口引數: colorpic as object, x as single, y as single
'返回值:該點的顏色值
'說明:colorpic已設定成調色盤的物件名:(x,y)該點座標.
'作用: 從調色盤中取(x,y)點顏色值
'*注: 請在mousedown 或 mouseup事件中使用
public
function getpiccolor(colorpic as
object, x as
single, y as
single) as
long
onerror
resume
next
dim w as
long, h as
long, c as
long
w = colorpic.scalewidth
h = colorpic.scaleheight
if (x <= 0) or (x >= w) or (y <= 0) or (y > h) then
exit
function
endif
c = fix(x) + fix(y) * 16
colortouse = colors(c)
getpiccolor = colortouse
endfunction
private
sub class_initialize()
dim t as
new clsrev
call t.getinival
set t = nothing
endsub
' '設定按鈕顏色.
'函式:setcomfore
'引數:objwin 目標窗體名.fontcolor 按鈕的字型顏色,ptwidth 如果存在,設定與檔案字間距.
'返回值:無
public
function setcomfore(objwin as
object, optional fontcolor as
long = 0, optional ptwidth as
long = 0)
dim frm as form
set frm = objwin
with setfrmcom
call .chcomfcolor(frm, .cjhpictocomm, .cjhfontsize, .cjhpicsize, fontcolor, ptwidth)
endwith
unload setfrmcom
set setfrmcom = nothing
endfunction
' '到複製..
'函式:pictopic
'引數:bigwidth 最大寬度.bigheight 最大高度,sourpic 源框,objpic 目標框.
'返回值:無
public
function pictopic(bigwidth as
long, bigheight as
long, byref sourpic as
object, byref objpic as
object)
dim rname as
string
dim pw as
long
dim ph as
long
dim t1 as
double
dim t2 as
double
pw = sourpic.width: ph = sourpic.height
if sourpic.picture <> 0 then
objpic.visible = false
t2 = pw / ph
t1 = bigwidth / bigheight
if pw > bigwidth or ph > bigheight then
if t2 > t1 then
objpic.width = bigwidth
objpic.height = bigwidth / t2
else
objpic.width = bigheight * t2
objpic.height = bigheight
endif
else
objpic.width = pw
objpic.height = ph
endif
objpic.picture = sourpic.picture
objpic.move (bigwidth - objpic.width) / 2, (bigheight - objpic.height) / 2
objpic.visible = true
endif
endfunction
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