71 lines
2.3 KiB
Markdown
71 lines
2.3 KiB
Markdown
# Image
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An image for the @boardname@ screen.
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### @parent javascript/language
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An *Image* is a matrix of pixels to show on the [LED screen](/device/screen)
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### Touch Develop editor: plot an image
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To display an image using the [Touch Develop editor](/js/editor):
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* click `image` , `plot image`, and then `edit`
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* click the rectangles to create an image
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* when you're done, click **ok** to return to your code
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You should see code similar to this:
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```
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basic.plotImage(`
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. . . . .
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. # . # .
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. . # . .
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. # . # .
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. . . . .
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`)
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```
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### Creating an image
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To create an image that you can later modify, see the [create image](/reference/images/create-image) function.
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### Block editor: create and show images
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To create images using the [Block editor](/blocks/editor):
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1. Click the **Images** category on the left.
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2. Drag and drop the **show image** block into your code.
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3. Drag and drop the **create image** or **create big image** block onto the **show image** block so that they connect.
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4. Make an image on the **create image** block by clicking on the squares.
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### Global image variables
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Images that you create in the [Touch Develop editor](/js/editor) are [local variables](/reference/variables/var). To promote a local image variable to a global variable, select the local image variable and click `promote to data`. The *var* keyword changes to the [data](/js/data) symbol `data->`.
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### Image functions
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* [create image](/reference/images/create-image): create an image from a series of on/off LED states
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* [clear](/reference/basic/clear-screen): turn off all the pixels in an image
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* [set pixel](/reference/images/set-pixel): set the state of a pixel in an image
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* [pixel](/reference/images/pixel): get the state of a pixel in an image
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* [plot-image](/reference/led/plot-image): show a single-frame image on the LED screen
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* [show animation](/reference/basic/show-animation): show a series of image frames
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* [show image](/reference/images/show-image): show an image on the screen
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* [scroll image](/reference/images/scroll-image): scroll an image on the screen
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* [width](/functions/width): get the width of an image
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### Lessons
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* [offset image](/lessons/offset-image)
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### See also
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[plot image](/reference/led/plot-image), [create image](/reference/images/create-image), [show image](/reference/images/show-image), [LED screen](/device/screen)
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