根据BB屏幕尺寸增加图像的高度 [英] Increase the height widht of image as per BB screen size

问题描述

我编写了以下代码，将图像作为背景添加到BlackBerry屏幕。图像大小为320 * 240.图像被添加到屏幕但我想根据大小增加其高度和宽度BB屏幕的高度和宽度。

I have written the following code to add image as a background to the BlackBerry screen.The image size is 320*240.The image is added to the screen but then I want to increase its height and width according to the size of the BB screen height and width.

以下是我写的代码：

Bitmap xtclogoBitmap = Bitmap.getBitmapResource("launch_xtc.jpg");
BitmapField xtcbitmapField = new BitmapField(xtclogoBitmap,Field.USE_ALL_HEIGHT | Field.USE_ALL_WIDTH);
add(xtcbitmapField);

如何根据BB屏幕尺寸增加图像的高度和宽度？

How can I increase the height and width of the image as per the BB screen size?

推荐答案

Bitmap img=Bitmap.getBitmapResource("3.jpg");
Bitmap bg = new Bitmap(Display.getWidth(), Display.getHeight());
img.scaleInto(bg,Bitmap.FILTER_LANCZOS, Bitmap.SCALE_TO_FILL);

您可以替换Bitmap.SCALE_TO_FILL和/或通过添加来修改getheight和width的值，例如具体取决于根据您的需求，然后只需添加bg

you can replace Bitmap.SCALE_TO_FILL and/or modify the values of getheight and width by addition for example depending on your needs, then just add the bg

从BlackBerry 这里

check this explanation from BlackBerry here

问候，

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