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Image from camera will be resized to screen dimensions.

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This commit is contained in:
Nedyalko Nikolov
2016-09-14 18:12:20 +03:00
parent b174762a48
commit feef0f83b5
1 changed files with 7 additions and 2 deletions
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9
tns-core-modules/camera/camera.android.ts
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@ -3,6 +3,7 @@ import * as utilsModule from "utils/utils";
import * as applicationModule from "application"; import * as applicationModule from "application";
import * as imageSourceModule from "image-source"; import * as imageSourceModule from "image-source";
import * as cameraCommonModule from "./camera-common"; import * as cameraCommonModule from "./camera-common";
import * as platform from "platform";
var REQUEST_IMAGE_CAPTURE = 3453; var REQUEST_IMAGE_CAPTURE = 3453;
@ -56,13 +57,13 @@ export var takePicture = function (options?): Promise<any> {
let imageSource: typeof imageSourceModule = require("image-source"); let imageSource: typeof imageSourceModule = require("image-source");
let options = new android.graphics.BitmapFactory.Options(); let options = new android.graphics.BitmapFactory.Options();
options.inJustDecodeBounds = true; options.inJustDecodeBounds = true;
android.graphics.BitmapFactory.decodeFile(picturePath, options); let bitmap = android.graphics.BitmapFactory.decodeFile(picturePath, options);
let sampleSize = calculateInSampleSize(options.outWidth, options.outHeight, reqWidth, reqHeight); let sampleSize = calculateInSampleSize(options.outWidth, options.outHeight, reqWidth, reqHeight);
let finalBitmapOptions = new android.graphics.BitmapFactory.Options(); let finalBitmapOptions = new android.graphics.BitmapFactory.Options();
finalBitmapOptions.inSampleSize = sampleSize; finalBitmapOptions.inSampleSize = sampleSize;
let bitmap = android.graphics.BitmapFactory.decodeFile(picturePath, finalBitmapOptions); bitmap = android.graphics.BitmapFactory.decodeFile(picturePath, finalBitmapOptions);
let scaledSizeImage = null; let scaledSizeImage = null;
if (reqHeight > 0 && reqWidth > 0) { if (reqHeight > 0 && reqWidth > 0) {
if (shouldKeepAspectRatio) { if (shouldKeepAspectRatio) {
@ -118,6 +119,10 @@ export var isAvailable = function () {
var calculateInSampleSize = function (imageWidth, imageHeight, reqWidth, reqHeight) { var calculateInSampleSize = function (imageWidth, imageHeight, reqWidth, reqHeight) {
let sampleSize = 1; let sampleSize = 1;
let displayWidth = platform.screen.mainScreen.widthDIPs;
let displayHeigth = platform.screen.mainScreen.heightDIPs;
reqWidth = (reqWidth > 0 && reqWidth < displayWidth) ? reqWidth : displayWidth;
reqHeight = (reqHeight > 0 && reqHeight < displayHeigth) ? reqHeight : displayHeigth;
if (imageWidth > reqWidth && imageHeight > reqHeight) { if (imageWidth > reqWidth && imageHeight > reqHeight) {
let halfWidth = imageWidth / 2; let halfWidth = imageWidth / 2;
let halfHeight = imageHeight / 2; let halfHeight = imageHeight / 2;