2014/10/16 上午 08:15:22

android Programming Glossary: imgwidth

Memory efficient image resize in Android

http://stackoverflow.com/questions/3219672/memory-efficient-image-resize-in-android

image BitmapFactory.decodeStream this.image null opt int imgWidth image.getWidth int imgHeight image.getHeight Constrain to given.. keep aspect ratio float scaleFactor Math.min float width imgWidth float height imgHeight Matrix scale new Matrix scale.postScale.. final Bitmap scaledImage Bitmap.createBitmap image 0 0 imgWidth imgHeight scale false image.recycle It looks like the OOM happens..

Scale a view and its layered subviews relatively

http://stackoverflow.com/questions/6500156/scale-a-view-and-its-layered-subviews-relatively

public class OverlayImage extends ImageView private int imgWidth imgHeight private final float scale public OverlayImage Context.. .getDrawable R.id.someImage setBackgroundDrawable dr imgWidth dr.getIntrinsicWidth imgHeight dr.getIntrinsicHeight @Override..

Android : Converting color image to grayscale [duplicate]

http://stackoverflow.com/questions/8381514/android-converting-color-image-to-grayscale

green blue. But it comes out with errors Here is my code imgWidth myBitmap.getWidth imgHeight myBitmap.getHeight for int i 0 i.. imgHeight myBitmap.getHeight for int i 0 i imgWidth i for int j 0 j imgHeight j int s myBitmap.getPixel i j 3 myBitmap.setPixel..

Memory efficient image resize in Android

http://stackoverflow.com/questions/3219672/memory-efficient-image-resize-in-android

code but I consistently get an OutOfMemoryError . Bitmap image BitmapFactory.decodeStream this.image null opt int imgWidth image.getWidth int imgHeight image.getHeight Constrain to given size but keep aspect ratio float scaleFactor Math.min float.. int imgHeight image.getHeight Constrain to given size but keep aspect ratio float scaleFactor Math.min float width imgWidth float height imgHeight Matrix scale new Matrix scale.postScale scaleFactor scaleFactor final Bitmap scaledImage Bitmap.createBitmap.. Matrix scale new Matrix scale.postScale scaleFactor scaleFactor final Bitmap scaledImage Bitmap.createBitmap image 0 0 imgWidth imgHeight scale false image.recycle It looks like the OOM happens during the createBitmap . Is there a more memory efficient..

Scale a view and its layered subviews relatively

http://stackoverflow.com/questions/6500156/scale-a-view-and-its-layered-subviews-relatively

loads the overlays to position and scale the view properly public class OverlayImage extends ImageView private int imgWidth imgHeight private final float scale public OverlayImage Context context int xPos int yPos float scale super context this.scale.. yPos setLayoutParams animParams Drawable dr context.getResources .getDrawable R.id.someImage setBackgroundDrawable dr imgWidth dr.getIntrinsicWidth imgHeight dr.getIntrinsicHeight @Override protected void onMeasure int widthMeasureSpec int heightMeasureSpec..

Android : Converting color image to grayscale [duplicate]

http://stackoverflow.com/questions/8381514/android-converting-color-image-to-grayscale

convert color image into grayscale using the average of red green blue. But it comes out with errors Here is my code imgWidth myBitmap.getWidth imgHeight myBitmap.getHeight for int i 0 i imgWidth i for int j 0 j imgHeight j int s myBitmap.getPixel.. But it comes out with errors Here is my code imgWidth myBitmap.getWidth imgHeight myBitmap.getHeight for int i 0 i imgWidth i for int j 0 j imgHeight j int s myBitmap.getPixel i j 3 myBitmap.setPixel i j s ImageView img ImageView findViewById R.id.image1..