MATLAB APPLICATION DEPLOYMENT - WEB EXAMPLE GUIDE Guide de l'utilisateur télécharger pdf (Page 232)

100

101

12 Limitations and Restriction s

Workaround

There are several ways to eliminate this error.

• Using the

%#function pragma and specifying callbacks as strings

• Specifying callbacks with function handles

• Using the

-a option

Specifying Callbacks as Strings. Create a list of all the functions that are

specified only in callback strings and pass these functions using separate

%#function pragma statements. T his overrides MATLAB Compile r’s

dependency analysis and instructs it to explicitly include the functions listed

in the

%#function pragmas.

For example, the call to the

change_colormap function in the sample

application,

my_test, illustrates this problem. To make sure MATLAB

Compiler processes the

change_colormap M-file, list the fu nction name in the

%#function pragma.

function my_test()

% Graphics library callback test application

%#function change_colo rmap

peaks;

p_btn = uicontrol(gcf,...

'Style', 'pushbutton' ,...

'Position',[10 10 133 25 ],...

'String', 'Make Black & White',...

'CallBack','change_colormap');

Specifying Callba ck s with F unction Handles. To specify the callbacks

with function handles, use the same code as in the example above and replace

thelastlinewith

'CallBack',@change_colormap);

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