2014/10/16 上午 08:15:21

android Programming Glossary: imgheight

Memory efficient image resize in Android

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

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

Scale a view and its layered subviews relatively

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

class OverlayImage extends ImageView private int imgWidth imgHeight private final float scale public OverlayImage Context context.. setBackgroundDrawable dr imgWidth dr.getIntrinsicWidth imgHeight dr.getIntrinsicHeight @Override protected void onMeasure int..

Android : Converting color image to grayscale [duplicate]

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

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.. 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..

Memory efficient image resize in Android

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

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 width imgWidth float height.. 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 image 0 0 imgWidth.. 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 way to..

Scale a view and its layered subviews relatively

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

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 scale.. Drawable dr context.getResources .getDrawable R.id.someImage setBackgroundDrawable dr imgWidth dr.getIntrinsicWidth imgHeight dr.getIntrinsicHeight @Override protected void onMeasure int widthMeasureSpec int heightMeasureSpec setMeasuredDimension..

Android : Converting color image to grayscale [duplicate]

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

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 i j 3 myBitmap.setPixel i.. 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 img.setImageBitmap..