大侠救命: oldColor:=IMage1.Canvas.Pixels[x,y]; 为何出错？？？(100分)

T

tianhf

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• 2006-04-14

• #1

var
oldColor:TColor;
begin
IMage1.Picture.LoadFromFile('poumian.emf');//该行能正常显示图片
oldColor:=IMage1.Canvas.Pixels[1,1];//出错:Can only modify an image if it cantains a bitmap.
.......
end;
-----------请问，我该怎么办？？？

 

S

smokingroom

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• 2006-04-14

• #2

var
bmp:TBitmap;
oldColor:TColor;
begin
Image1.Picture.LoadFromFile('poumian.emf');
bmp:=TBitmap.Create;
try
bmp.Assign(Image1.Picture.Graphic);
oldColor:=bmp.Canvas.Pixels[0,0];
finally
bmp.Free;
end;
end;

 

Q

qi_jianzhou

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• 2006-04-14

• #3

大侠又出手了

 

L

ly0329

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• 2006-04-14

• #4

lz出错的原因在于图像格式不对，改一下即可，很简单的~~bmp

 

K

kefanmail

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• 2006-04-14

• #5

同意楼上的,应该是图片格式不对,转成BMP格式的应该不会出错了.

 

T

tianhf

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GUEST, unregistred user!

• 2006-04-15

• #6

to smokingroom:
运行到 bmp.Assign(Image1.Picture.Graphic);
出现错误 cannot assign a TMetafile to a TBitmap.
我该怎么办？？一定要转成bmp吗,我的程序中有图形自动缩放,那么每缩放一次都要转换一次,太麻烦了。

 

T

tianhf

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GUEST, unregistred user!

• 2006-04-17

• #7

看样子只能转换成 bmp 了.

 

T

tianhf

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GUEST, unregistred user!

• 2006-04-19

• #8

结帐了,谢谢各位!!!