Uicontrols
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uicontrols: Build a GUI in GNU Octave
You have to use the "qt" graphics toolkit (default since 4.0). For the best results GNU Octave version >= 4.2.x should be used.
Resources
Examples
imageViewer
GUI which opens a file selection dialog when a button is pressed and views the selected image.
| Code: imageViewer example |
%% In file 'imageViewer.m'
function imageViewer ()
MainFrm = figure ( ...
'position', [100, 100, 250, 350]);
TitleFrm = axes ( ...
'position', [0, 0.8, 1, 0.2], ...
'color', [0.9, 0.95, 1], ...
'xtick', [], ...
'ytick', [], ...
'xlim', [0, 1], ...
'ylim', [0, 1] );
Title = text (0.05, 0.5, 'Preview Image', 'fontsize', 30);
ImgFrm = axes ( ...
'position', [0, 0.2, 1, 0.6], ...
'xtick', [], ...
'ytick', [], ...
'xlim', [0, 1], ...
'ylim', [0, 1]);
ButtonFrm = uicontrol (MainFrm, ...
'style', 'pushbutton', ...
'string', 'OPEN THE IMAGE', ...
'units', 'normalized', ...
'position', [0, 0, 1, 0.2], ...
'callback', { @previewImage, ImgFrm });
end
%% callback subfunction (in same file)
function previewImage (hObject, eventdata, ImageFrame)
[fname, fpath] = uigetfile();
Img = imread (fullfile(fpath, fname));
axes(ImageFrame);
imshow(Img, []);
axis image off
end
|
Then run imageViewer() from your terminal: