Transcript api pictures - TouchDevelop

api
pictures
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touchdevelop api
pictures
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Windows Phone built-in notion of
“pictures”
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sync pictures with Zune
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take new pictures with camera
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manipulate pictures in code
touchdevelop api
apis
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Senses→take camera picture
Takes a picture and returns it.
Media→choose picture
Chooses a picture from library
Contact→picture
Gets the picture a contact
Media→create picture
Creates a new picture
Media→pictures
Gets pictures on phone
Media→picture albums
Gets the picture albums
Media→saved pictures
Gets the saved pictures on
phone
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Media Server→choose
picture
Chooses a picture
Media Server→search
pictures by date
Searches for pictures in a
particular date range.
Media Server→pictures
Gets a list of all pictures
Web→download picture
Downloads a picture from
internet
touchdevelop api
apis
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Pictures→at
Gets the item at position 'index'; invalid if index is out of bounds
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Pictures→count
Gets the number of elements in the collection
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Pictures→find
Finds a picture by name and returns the index. Returns -1 if not
found.
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Pictures→thumbnail
Gets the thumbnail of i-th picture.
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Pictures→random
Gets the item at a randon position; invalid if collection is empty
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Pictures→post to wall
Displays the picture thumbmails to the wall
touchdevelop api
apis
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Picture Album→name
Gets the name of the album
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Picture Album→pictures
Gets the pictures
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Picture Album→albums
Gets the children albums
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Displays the value to the wall
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Picture Album→post to wall
Displays the album to the wall
touchdevelop api
apis
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Picture→width
Picture→height
Picture→set pixel
Picture→pixel
Picture→draw text
Picture→fill rect
Picture→draw line
Picture→draw rect
Picture→draw ellipse
Picture→fill ellipse
Picture→resize
Picture→clear
Picture→clone
Picture→blend
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Picture→location
Gets the location where the picture was taken; if
any.
Picture→is panorama
Indicates if the picture width is greater than its
height
Picture→date
Gets the date time where the picture was taken; if
any.
Picture→post to wall
Displays the image to the wall; you need to call
'update on wall' later if you want changes to be
reflected.
Picture→update on wall
Refreshes the picture on the wall
Picture→save to library
Saves the picture to the 'saved pictures'
album.api
touchdevelop
Returns the file name.
apis
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Picture→colorize
Recolors the picture with the background and foreground color, based on a color threshold
between 0.0 and 1.0
Picture→desaturate
Makes picture gray
Picture→share
Shares this message ('' to pick from a list)
Picture→crop
Crops a sub-image
Picture→invert
Inverts the red, blue and green channels
Picture→tint
Converts every pixel to gray and tints it with the given color.
Picture→brightness
Changes the brightness of the picture. factor in [-1, 1].
Picture→contrast
Changes the contrast of the picture. factor in [-1, 1].
touchdevelop api
examples
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gray picture
☁ http://touchdevelop.com/yprb
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media: pictures
☁ http://touchdevelop.com/paqt
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go to picture
☁ http://touchdevelop.com/gpona
touchdevelop api
exercises
►create a picture; draw a circle by only
using ‘set pixel’ (not ‘draw circle’);
sin α
α
cos α
tip: use loop and sin/cos
touchdevelop api
homework
►finish exercise at home
touchdevelop api