¡@
2014/10/16 ¤W¤È 08:15:10
android Programming Glossary: imageheightBitmap recycle with largeHeap enabled http://stackoverflow.com/questions/12716574/bitmap-recycle-with-largeheap-enabled getResources R.id.myimage options int imageHeight options.outHeight int imageWidth options.outWidth This will.. how much we need to scale the image First way if imageHeight reqHeight imageWidth reqWidth if imageWidth imageHeight inSampleSize.. if imageHeight reqHeight imageWidth reqWidth if imageWidth imageHeight inSampleSize Math.round float imageHeight float reqHeight else..
Curl page from left to right android http://stackoverflow.com/questions/16772734/curl-page-from-left-to-right-android margin height margin int imageWidth r.width border 2 int imageHeight imageWidth d.getIntrinsicHeight d.getIntrinsicWidth if imageHeight.. imageWidth d.getIntrinsicHeight d.getIntrinsicWidth if imageHeight r.height border 2 imageHeight r.height border 2 imageWidth.. d.getIntrinsicWidth if imageHeight r.height border 2 imageHeight r.height border 2 imageWidth imageHeight d.getIntrinsicWidth..
Getting coordinates and width/height from a matrix http://stackoverflow.com/questions/5286174/getting-coordinates-and-width-height-from-a-matrix
Rotate zoom drag image in android imageview http://stackoverflow.com/questions/5894736/rotate-zoom-drag-image-in-android-imageview if d null return int imageWidth d.getIntrinsicWidth int imageHeight d.getIntrinsicHeight int scaleWidth int imageWidth value 0 int.. int scaleWidth int imageWidth value 0 int scaleHeight int imageHeight value 4 don't let the image go outside if value 2 width 1 value..
Android image view matrix scale + translate http://stackoverflow.com/questions/6075363/android-image-view-matrix-scale-translate float imageWidth float scaleY float displayHeight float imageHeight float minScale Math.min scaleX scaleY tx ty should be the translation.. float ty Math.max 0 0.5f float displayHeight minScale imageHeight Compute the matrix Matrix m new Matrix m.reset Middle of the.. be the scale pivot m.postScale minScale imageWidth 2 imageHeight 2 Translate m.postTranslate tx ty imageView.setImageMatrix m..
http://stackoverflow.com/questions/9269891/android-face-detection private class myView extends View private int imageWidth imageHeight private int numberOfFace 5 private FaceDetector myFaceDetect.. BitmapFactoryOptionsbfo imageWidth myBitmap.getWidth imageHeight myBitmap.getHeight myFace new FaceDetector.Face numberOfFace.. numberOfFace myFaceDetect new FaceDetector imageWidth imageHeight numberOfFace numberOfFaceDetected myFaceDetect.findFaces myBitmap..
Bitmap recycle with largeHeap enabled http://stackoverflow.com/questions/12716574/bitmap-recycle-with-largeheap-enabled options.inJustDecodeBounds true BitmapFactory.decodeResource getResources R.id.myimage options int imageHeight options.outHeight int imageWidth options.outWidth This will give you the size of the image before downloading and on the.. given in the explanation of docs. Calculating how much we need to scale the image First way if imageHeight reqHeight imageWidth reqWidth if imageWidth imageHeight inSampleSize Math.round float imageHeight float reqHeight else inSampleSize.. Calculating how much we need to scale the image First way if imageHeight reqHeight imageWidth reqWidth if imageWidth imageHeight inSampleSize Math.round float imageHeight float reqHeight else inSampleSize Math.round float imageWidth float reqWidth ..
Curl page from left to right android http://stackoverflow.com/questions/16772734/curl-page-from-left-to-right-android int margin 7 int border 3 Rect r new Rect margin margin width margin height margin int imageWidth r.width border 2 int imageHeight imageWidth d.getIntrinsicHeight d.getIntrinsicWidth if imageHeight r.height border 2 imageHeight r.height border 2 imageWidth.. height margin int imageWidth r.width border 2 int imageHeight imageWidth d.getIntrinsicHeight d.getIntrinsicWidth if imageHeight r.height border 2 imageHeight r.height border 2 imageWidth imageHeight d.getIntrinsicWidth d.getIntrinsicHeight r.left.. border 2 int imageHeight imageWidth d.getIntrinsicHeight d.getIntrinsicWidth if imageHeight r.height border 2 imageHeight r.height border 2 imageWidth imageHeight d.getIntrinsicWidth d.getIntrinsicHeight r.left r.width imageWidth 2 border..
Getting coordinates and width/height from a matrix http://stackoverflow.com/questions/5286174/getting-coordinates-and-width-height-from-a-matrix
Rotate zoom drag image in android imageview http://stackoverflow.com/questions/5894736/rotate-zoom-drag-image-in-android-imageview int width getWidth int height getHeight Drawable d getDrawable if d null return int imageWidth d.getIntrinsicWidth int imageHeight d.getIntrinsicHeight int scaleWidth int imageWidth value 0 int scaleHeight int imageHeight value 4 don't let the image go.. d.getIntrinsicWidth int imageHeight d.getIntrinsicHeight int scaleWidth int imageWidth value 0 int scaleHeight int imageHeight value 4 don't let the image go outside if value 2 width 1 value 2 width 10 else if value 5 height 1 value 5 height 10..
Android image view matrix scale + translate http://stackoverflow.com/questions/6075363/android-image-view-matrix-scale-translate the scale to choose this works float scaleX float displayWidth float imageWidth float scaleY float displayHeight float imageHeight float minScale Math.min scaleX scaleY tx ty should be the translation to take the image back to the screen center float.. float tx Math.max 0 0.5f float displayWidth minScale imageWidth float ty Math.max 0 0.5f float displayHeight minScale imageHeight Compute the matrix Matrix m new Matrix m.reset Middle of the image should be the scale pivot m.postScale minScale imageWidth.. the matrix Matrix m new Matrix m.reset Middle of the image should be the scale pivot m.postScale minScale imageWidth 2 imageHeight 2 Translate m.postTranslate tx ty imageView.setImageMatrix m The above code works if I don't center the scale on the image..
http://stackoverflow.com/questions/9269891/android-face-detection setContentView R.layout.main setContentView new myView this private class myView extends View private int imageWidth imageHeight private int numberOfFace 5 private FaceDetector myFaceDetect private FaceDetector.Face myFace float myEyesDistance int numberOfFaceDetected.. BitmapFactory.decodeResource getResources R.drawable.face5 BitmapFactoryOptionsbfo imageWidth myBitmap.getWidth imageHeight myBitmap.getHeight myFace new FaceDetector.Face numberOfFace myFaceDetect new FaceDetector imageWidth imageHeight numberOfFace.. imageHeight myBitmap.getHeight myFace new FaceDetector.Face numberOfFace myFaceDetect new FaceDetector imageWidth imageHeight numberOfFace numberOfFaceDetected myFaceDetect.findFaces myBitmap myFace @Override protected void onDraw Canvas canvas TODO..
|