MATLAB: How to format a text box annotation

annotationsMATLAB

I have an annonation on my image in matlab but I'm trying to have it with green text, a black outline and a purple background. I want my text font to be italic and in the Comic Sans format. Anyone know how to incorporate these characteristics in my code:
davis = imread('DavisHall.jpg');
figure(1), imagesc(davis), axis image
helpdlg(sprintf('Pick four corners of a window in this picture.\nPick top right corner first.\nPick bottom right corner second.\nPick bottom left corner third.\nPick top left corner fourth.'))
PickCorners = ginput(4)
x = [PickCorners(:,1)];
y = [PickCorners(:,2)];
h = gca;
hold(h, 'on');
plot(h, x', y');
plot(h, [x;x(1)]', [y;y(1)]');
dim = [.2 .5 .3 .3];
str = 'Window'
annotation('textbox',dim,'String',str,'FitBoxToText','on');

Best Answer

You need the handle to the annotation object.
Once you have the handle, you can see the list of editable properties. 
ah = annotation('textbox',dim,'String',str,'FitBoxToText','on');
Now look at all of the properties by executing 'ah' in the command window.
ah.Color = 'g';                      %or = [0 .5 0] Green text 
ah.FontName = 'Comic Sans MS';       %use listfonts command to see list of available fonts 
ah.BackgroundColor = [.5 0 .5];      %purple background
EdgeColor will set the box color but it's already black when it's created.
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