MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Manuale Utente Pagina 203

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Create Toolbars for GUIDE UIs
6-117
Icon file name — The icon image file to be loaded for editing
Import button — Opens a file dialog to select an existing icon file for editing
Drawing tools — A group of four tools on the left side for editing icons
Pencil tool — Color icon pixels by clicking or dragging
Eraser tool — Erase pixels to be transparent by clicking or dragging
Paint bucket tool — Flood regions of same-color pixels with the current color
Pick color tool — Click a pixel or color palette swatch to define the current color
Icon Edit pane — A n-by-m grid where you color an icon
Preview pane — A button with a preview of current state of the icon
Color Palette — Swatches of color that the pencil and paint tools can use
More Colors button — Opens the Colors dialog box for choosing and defining colors
OK button — Dismisses the dialog and returns the icon in its current state
Cancel button — Closes the dialog without returning the icon
To work with the Icon Editor,
1
Open the Icon Editor for a selected tool’s icon.
2
Using the Pencil tool, color the squares in the grid:
Click a color cell in the palette.
That color appears in the Color Palette preview swatch.
Click in specific squares of the grid to transfer the selected color to those squares.
Hold down the left mouse button and drag the mouse over the grid to transfer the
selected color to the squares that you touch.
Change a color by writing over it with another color.
3
Using the Eraser tool, erase the color in some squares
Click the Eraser button on the palette.
Click in specific squares to erase those squares.
Click and drag the mouse to erase the squares that you touch.
Click a another drawing tool to disable the Eraser.
4
Click OK to close the dialog and return the icon you created or click Cancel to close
the dialog without modifying the selected tool’s icon.
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