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2014/10/16 ¤W¤È 08:20:55
android Programming Glossary: originalheightResizing ImageView to fit to aspect ratio http://stackoverflow.com/questions/12400113/resizing-imageview-to-fit-to-aspect-ratio dimensions int originalWidth loadedImage.getWidth int originalHeight loadedImage.getHeight Calculates the new dimensions float scale.. intendedWidth originalWidth int newHeight int Math.round originalHeight scale Resizes mImageView. Change FrameLayout to whatever layout..
How to downscale images correctly? http://stackoverflow.com/questions/16408505/how-to-downscale-images-correctly BitmapFactory.decodeFile file.getAbsolutePath options int originalHeight options.outHeight int originalWidth options.outWidth Calculate..
How do I scale a streaming bitmap in-place without reading the whole image first? http://stackoverflow.com/questions/7051025/how-do-i-scale-a-streaming-bitmap-in-place-without-reading-the-whole-image-first int originalWidth decodeBoundsOptions.outWidth final int originalHeight decodeBoundsOptions.outHeight inSampleSize prefers multiples.. 1 Math.min originalWidth minimumDesiredBitmapWidth originalHeight minimumDesiredBitmapHeight return BitmapFactory.decodeStream..
http://stackoverflow.com/questions/7058507/fixed-aspect-ratio-view int originalWidth MeasureSpec.getSize widthMeasureSpec int originalHeight MeasureSpec.getSize heightMeasureSpec int calculatedHeight originalWidth.. int finalWidth finalHeight if calculatedHeight originalHeight finalWidth originalHeight mAspectRatioWidth mAspectRatioHeight.. finalHeight if calculatedHeight originalHeight finalWidth originalHeight mAspectRatioWidth mAspectRatioHeight finalHeight originalHeight..
Resizing ImageView to fit to aspect ratio http://stackoverflow.com/questions/12400113/resizing-imageview-to-fit-to-aspect-ratio be intendedWidth mImageView.getWidth Gets the downloaded image dimensions int originalWidth loadedImage.getWidth int originalHeight loadedImage.getHeight Calculates the new dimensions float scale float intendedWidth originalWidth int newHeight int Math.round.. Calculates the new dimensions float scale float intendedWidth originalWidth int newHeight int Math.round originalHeight scale Resizes mImageView. Change FrameLayout to whatever layout mImageView is located in. mImageView.setLayoutParams new..
How to downscale images correctly? http://stackoverflow.com/questions/16408505/how-to-downscale-images-correctly options.inJustDecodeBounds true Bitmap map BitmapFactory.decodeFile file.getAbsolutePath options int originalHeight options.outHeight int originalWidth options.outWidth Calculate your sampleSize based on the requiredWidth and originalWidth..
How do I scale a streaming bitmap in-place without reading the whole image first? http://stackoverflow.com/questions/7051025/how-do-i-scale-a-streaming-bitmap-in-place-without-reading-the-whole-image-first is null decodeBoundsOptions is.reset final int originalWidth decodeBoundsOptions.outWidth final int originalHeight decodeBoundsOptions.outHeight inSampleSize prefers multiples of 2 but we prefer to prioritize memory savings decodeBitmapOptions.inSampleSize.. prioritize memory savings decodeBitmapOptions.inSampleSize Math.max 1 Math.min originalWidth minimumDesiredBitmapWidth originalHeight minimumDesiredBitmapHeight return BitmapFactory.decodeStream is null decodeBitmapOptions catch IOException e throw new..
http://stackoverflow.com/questions/7058507/fixed-aspect-ratio-view void onMeasure int widthMeasureSpec int heightMeasureSpec int originalWidth MeasureSpec.getSize widthMeasureSpec int originalHeight MeasureSpec.getSize heightMeasureSpec int calculatedHeight originalWidth mAspectRatioHeight mAspectRatioWidth int finalWidth.. int calculatedHeight originalWidth mAspectRatioHeight mAspectRatioWidth int finalWidth finalHeight if calculatedHeight originalHeight finalWidth originalHeight mAspectRatioWidth mAspectRatioHeight finalHeight originalHeight else finalWidth originalWidth.. mAspectRatioHeight mAspectRatioWidth int finalWidth finalHeight if calculatedHeight originalHeight finalWidth originalHeight mAspectRatioWidth mAspectRatioHeight finalHeight originalHeight else finalWidth originalWidth finalHeight calculatedHeight..
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