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image-concat.js
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image-concat.js
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$app.strings = {
"en": {
"hint": "Enter margin, defaults to 0"
},
"zh-Hans": {
"hint": "输入间距,默认为 0"
},
"zh-Hant": {
"hint": "輸入間距,默認為 0"
}
}
$photo.pick({
multi: true,
handler: function(resp) {
if (resp.results.length > 0) {
$input.text({
type: $kbType.decimal,
placeholder: $l10n("hint"),
handler: function(text) {
concat(resp.results, Number(text))
}
})
}
}
})
function concat(results, margin) {
var canvas = $ui.create({type: "view"})
var canvasWidth = $device.info.screen.width
var canvasHeight = 0
for (var idx=0; idx<results.length; ++idx) {
var image = results[idx].image
var imageWidth = canvasWidth
var imageHeight = image.size.height / image.size.width * canvasWidth
canvas.add({
type: "image",
props: {
image: image,
frame: $rect(0, canvasHeight, imageWidth, imageHeight)
}
})
canvasHeight += imageHeight + margin
}
canvas.frame = $rect(0, 0, canvasWidth, canvasHeight)
var snapshot = canvas.snapshot
$share.sheet(snapshot)
}