用什么WIN API 代替 CANVAS。DRAW 和CANVAS。StretchDraw(100分)

Y

yjj100

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• 2001-06-12

• #1

用什么WIN API 代替 CANVAS。DRAW 和CANVAS。StretchDraw

 

Z

zjc

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• 2001-06-12

• #2

bitblt,stretchblt

 

小

小聪

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• 2001-06-12

• #3

同上！

 

A

AoRoA

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• 2001-06-12

• #4

看一下TBitmap.Draw()吧

 

M

micony

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• 2001-06-12

• #5

你要画图可以用bitblt了，<br>要画直线可用moveex 和lineto<br>你设置好bitblt的参数就可以实现StretchDraw功能了

 

M

micony

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• 2001-06-12

• #6

bitblt参数：<br>BitBlt(OutputDC, Xpos, Ypos, imWidth, imHeight, SrcDC, Xpos, Ypos, SRCCOPY)<br>

 

M

micony

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• 2001-06-13

• #7

想实现stretchdraw还是用stretchblt吧

 

M

micony

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• 2001-06-13

• #8

这是从别的地方考来的例子,看看吧:<br>procedure TForm1.Button1Click(Sender: TObject);<br>var<br>&nbsp; ABMP: TBitmap;<br>begin<br>&nbsp; ABMP := TBitmap.Create;<br>&nbsp; ABMP.LoadFromFile('C:/PWIN98/Clouds.bmp');<br>&nbsp; Caption := Format('%d %d', [ABMP.Width, ABMP.Height]);<br>&nbsp; Bitblt(Self.Canvas.Handle, 0, 0, ABMP.Width, ABMP.Height,<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;ABMP.Canvas.Handle, 0, 0, SrcCopy);<br>&nbsp; ABMP.Free;<br>end;<br>

 

Z

zl

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• 2001-11-13

• #9

[]

 

爱

爱元元的哥哥

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• 2003-08-08

• #10

HDC<br>bitblt<br>stretchblt

 

W

wfzha

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• 2003-08-08

• #11

http://www.delphibbs.com/delphibbs/dispq.asp?lid=2080687