我用matlab的GUI進行截圖,并儲存截下來的圖檔,但是儲存下來的圖檔總有一圈白邊,求教怎麼除去這圈白邊。下面是我寫的程式段(是新手有點挫),要怎麼改這是我截圖按鈕的程式functio...
我用matlab的GUI進行截圖,并儲存截下來的圖檔,但是儲存下來的圖檔總有一圈白邊,求教怎麼除去這圈白邊。下面是我寫的程式段(是新手有點挫),要怎麼改
這是我截圖按鈕的程式
function CUT_Callback(hObject, eventdata, handles)
[x,y,c]=ginput(1);
x=x-100;
y=y-100;
global s
A=imread(s);
if c==1
BB=imcrop(A,[x,y,200,200]);
set(handles.axes1,'HandleVisibility','ON');
axes(handles.axes2);
imshow(BB);
handles.img=BB;
guidata(hObject,handles);
end
這是儲存按鈕的程式:
function SAVE_Callback(hObject, eventdata, handles)
new_f_handle=figure('visible','off');
new_axes=copyobj(handles.axes2,new_f_handle);
set(new_axes,'units','default','position','default');
[filename,pathname fileindex]=uiputfile({'*.jpg';'*.bmp'},'save picture as');
if ~filename
return
else
file=strcat(pathname,filename);
switch fileindex
case 1
print(new_f_handle,'-djpeg',file);
case 2
print(new_f_handle,'-dbmp',file);
end
end
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