本文整理匯總了TypeScript中image-source.fromNativeSource函數的典型用法代碼示例。如果您正苦於以下問題：TypeScript fromNativeSource函數的具體用法？TypeScript fromNativeSource怎麽用？TypeScript fromNativeSource使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。
在下文中一共展示了fromNativeSource函數的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: calculateInSampleSize
appModule.android.onActivityResult = (requestCode: number, resultCode: number, data: android.content.Intent) => {
appModule.android.onActivityResult = previousResult;
if (requestCode === REQUEST_IMAGE_CAPTURE && resultCode === android.app.Activity.RESULT_OK) {
var options = new android.graphics.BitmapFactory.Options();
options.inJustDecodeBounds = true;
android.graphics.BitmapFactory.decodeFile(tempPicturePath, options);
var sampleSize = calculateInSampleSize(options.outWidth, options.outHeight, reqWidth, reqHeight);
var finalBitmapOptions = new android.graphics.BitmapFactory.Options();
finalBitmapOptions.inSampleSize = sampleSize;
var bitmap = android.graphics.BitmapFactory.decodeFile(tempPicturePath, finalBitmapOptions);
var scaledSizeImage = null;
if (reqHeight > 0 && reqWidth > 0) {
if (shouldKeepAspectRatio) {
var common: typeof cameraCommonModule = require("./camera-common");
var aspectSafeSize = common.getAspectSafeDimensions(bitmap.getWidth(), bitmap.getHeight(), reqWidth, reqHeight);
scaledSizeImage = android.graphics.Bitmap.createScaledBitmap(bitmap, aspectSafeSize.width, aspectSafeSize.height, true);
}
else {
scaledSizeImage = android.graphics.Bitmap.createScaledBitmap(bitmap, reqWidth, reqHeight, true);
}
}
else {
scaledSizeImage = bitmap;
}
var imageSource: typeof imageSourceModule = require("image-source");
resolve(imageSource.fromNativeSource(scaledSizeImage));
}
};示例2: require
appModule.android.onActivityResult = (requestCode: number, resultCode: number, data: android.content.Intent) => {
appModule.android.onActivityResult = previousResult;
if (requestCode === REQUEST_IMAGE_CAPTURE && resultCode === android.app.Activity.RESULT_OK) {
var imageSource: typeof imageSourceModule = require("image-source");
if (saveToGallery) {
resolve({image:imageSource.fromFile(picturePath) ,path:picturePath});
} else {
var options = new android.graphics.BitmapFactory.Options();
options.inJustDecodeBounds = true;
android.graphics.BitmapFactory.decodeFile(picturePath, options);
var sampleSize = calculateInSampleSize(options.outWidth, options.outHeight, reqWidth, reqHeight);
var finalBitmapOptions = new android.graphics.BitmapFactory.Options();
finalBitmapOptions.inSampleSize = sampleSize;
var bitmap = android.graphics.BitmapFactory.decodeFile(picturePath, finalBitmapOptions);
var scaledSizeImage = null;
if (reqHeight > 0 && reqWidth > 0) {
if (shouldKeepAspectRatio) {
var common: typeof cameraCommonModule = require("./camera-common");
var aspectSafeSize = common.getAspectSafeDimensions(bitmap.getWidth(), bitmap.getHeight(), reqWidth, reqHeight);
scaledSizeImage = android.graphics.Bitmap.createScaledBitmap(bitmap, aspectSafeSize.width, aspectSafeSize.height, true);
}
else {
scaledSizeImage = android.graphics.Bitmap.createScaledBitmap(bitmap, reqWidth, reqHeight, true);
}
}
else {
scaledSizeImage = bitmap;
}
var ei = new android.media.ExifInterface(picturePath);
var orientation = ei.getAttributeInt(android.media.ExifInterface.TAG_ORIENTATION, android.media.ExifInterface.ORIENTATION_NORMAL);
switch (orientation) {
case android.media.ExifInterface.ORIENTATION_ROTATE_90:
scaledSizeImage = rotateBitmap(scaledSizeImage, 90);
break;
case android.media.ExifInterface.ORIENTATION_ROTATE_180:
scaledSizeImage = rotateBitmap(scaledSizeImage, 180);
break;
case android.media.ExifInterface.ORIENTATION_ROTATE_270:
scaledSizeImage = rotateBitmap(scaledSizeImage, 270);
break;
}
resolve({image:imageSource.fromNativeSource(scaledSizeImage), path:picturePath});
}
}
};