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2014/10/16 ¤W¤È 08:20:55
android Programming Glossary: originalbitmapImageView OutofMemoryException http://stackoverflow.com/questions/11133645/imageview-outofmemoryexception ImageView iv ImageView findViewById R.id.imageView Bitmap originalBitmap BitmapFactory.decodeResource getResources R.drawable.prueba_plano_2.. .copy Bitmap.Config.ARGB_8888 true iv.setImageBitmap originalBitmap XML FrameLayout android id @ id root android layout_width match_parent..
Android - Crop an image from multipoints http://stackoverflow.com/questions/11579645/android-crop-an-image-from-multipoints is drawn in rectangular way. Am I missing something Bitmap originalBitmap BitmapFactory.decodeResource getResources R.drawable.test_image.. Image cropped Bitmap croppedBitmap Bitmap.createBitmap originalBitmap 10 10 200 200 Canvas canvas new Canvas croppedBitmap Create..
how to set the output image use com.android.camera.action.CROP http://stackoverflow.com/questions/12758425/how-to-set-the-output-image-use-com-android-camera-action-crop then use this Bitmap croppedBitmap Bitmap.createBitmap originalBitmap 10 10 originalBitmap.getWidth 20 originalBitmap.getHeight 20.. croppedBitmap Bitmap.createBitmap originalBitmap 10 10 originalBitmap.getWidth 20 originalBitmap.getHeight 20 If you need to show.. originalBitmap 10 10 originalBitmap.getWidth 20 originalBitmap.getHeight 20 If you need to show the selector to the user. Then..
How to downscale images correctly? http://stackoverflow.com/questions/16408505/how-to-downscale-images-correctly findViewById R.id.halvedBitmapImageView final Bitmap originalBitmap BitmapFactory.decodeResource getResources R.drawable.test originalImageView.setImageBitmap.. R.drawable.test originalImageView.setImageBitmap originalBitmap halvedImageView.setImageBitmap originalBitmap final LayoutParams.. originalBitmap halvedImageView.setImageBitmap originalBitmap final LayoutParams layoutParams halvedImageView.getLayoutParams..
Android FingerPaint sample does not draw dot? http://stackoverflow.com/questions/17251416/android-fingerpaint-sample-does-not-draw-dot point using path public class MyView extends View int bh originalBitmap.getHeight int bw originalBitmap.getWidth public MyView Context.. MyView extends View int bh originalBitmap.getHeight int bw originalBitmap.getWidth public MyView Context c int w int h super c mBitmap.. Bitmap mBitmap Bitmap.createScaledBitmap originalBitmap 200 200 true mCanvas new Canvas mBitmap mPath new Path mBitmapPaint..
http://stackoverflow.com/questions/2618355/how-to-blit-in-android 0 50 50 Rect dst new Rect 50 50 200 200 canvas.drawBitmap originalBitmap src dst null That specifies that you want to copy the top left..
http://stackoverflow.com/questions/3567312/android-drop-shadow-on-view blurFilter int offsetXY new int 2 Bitmap shadowImage originalBitmap.extractAlpha shadowPaint offsetXY Might need to convert shadowImage.. remember. Canvas c new Canvas shadowImage c.drawBitmap originalBitmap offsetXY 0 offsetXY 1 null Then put shadowImage into your ImageView...
How to prevent Android's drawBitmap from only drawing black images? http://stackoverflow.com/questions/3580051/how-to-prevent-androids-drawbitmap-from-only-drawing-black-images blurFilter int offsetXY new int 2 Bitmap originalBitmap BitmapFactory.decodeResource getResources R.drawable.pier_t.. getResources R.drawable.pier_t Bitmap shadowImage originalBitmap.extractAlpha shadowPaint offsetXY Canvas c new Canvas shadowImage.. offsetXY Canvas c new Canvas shadowImage c.drawBitmap originalBitmap offsetXY 0 offsetXY 1 null imageView.setImageBitmap shadowImage..
http://stackoverflow.com/questions/7320392/how-to-draw-text-on-image try FileOutputStream out new FileOutputStream file originalBitmap.compress Bitmap.CompressFormat.JPEG 90 out out.flush out.close.. file NEWLY ADDED CODE Canvas canvas new Canvas originalBitmap Paint paint Paint paint.setColor Color.WHITE Text Color paint.setStrokeWidth.. Pattern some more settings... canvas.drawBitmap originalBitmap 0 0 paint canvas.drawText Testing... 10 10 paint NEWLY ADDED..
ImageView OutofMemoryException http://stackoverflow.com/questions/11133645/imageview-outofmemoryexception latest version follows. The image size is 3000x3000. Code ImageView iv ImageView findViewById R.id.imageView Bitmap originalBitmap BitmapFactory.decodeResource getResources R.drawable.prueba_plano_2 .copy Bitmap.Config.ARGB_8888 true iv.setImageBitmap.. getResources R.drawable.prueba_plano_2 .copy Bitmap.Config.ARGB_8888 true iv.setImageBitmap originalBitmap XML FrameLayout android id @ id root android layout_width match_parent android layout_height match_parent android layout_alignParentBottom..
Android - Crop an image from multipoints http://stackoverflow.com/questions/11579645/android-crop-an-image-from-multipoints description but it seems there's a bug somewhere. The image is drawn in rectangular way. Am I missing something Bitmap originalBitmap BitmapFactory.decodeResource getResources R.drawable.test_image Image cropped Bitmap croppedBitmap Bitmap.createBitmap originalBitmap.. BitmapFactory.decodeResource getResources R.drawable.test_image Image cropped Bitmap croppedBitmap Bitmap.createBitmap originalBitmap 10 10 200 200 Canvas canvas new Canvas croppedBitmap Create a path Path path new Path path.setFillType FillType.INVERSE_EVEN_ODD..
how to set the output image use com.android.camera.action.CROP http://stackoverflow.com/questions/12758425/how-to-set-the-output-image-use-com-android-camera-action-crop if you need to crop 10 pixels from each side of a bitmap then use this Bitmap croppedBitmap Bitmap.createBitmap originalBitmap 10 10 originalBitmap.getWidth 20 originalBitmap.getHeight 20 If you need to show the selector to the user. Then you can.. crop 10 pixels from each side of a bitmap then use this Bitmap croppedBitmap Bitmap.createBitmap originalBitmap 10 10 originalBitmap.getWidth 20 originalBitmap.getHeight 20 If you need to show the selector to the user. Then you can do something like this.. of a bitmap then use this Bitmap croppedBitmap Bitmap.createBitmap originalBitmap 10 10 originalBitmap.getWidth 20 originalBitmap.getHeight 20 If you need to show the selector to the user. Then you can do something like this private static final String..
How to downscale images correctly? http://stackoverflow.com/questions/16408505/how-to-downscale-images-correctly final ImageView halvedBitmapImageView ImageView findViewById R.id.halvedBitmapImageView final Bitmap originalBitmap BitmapFactory.decodeResource getResources R.drawable.test originalImageView.setImageBitmap originalBitmap halvedImageView.setImageBitmap.. final Bitmap originalBitmap BitmapFactory.decodeResource getResources R.drawable.test originalImageView.setImageBitmap originalBitmap halvedImageView.setImageBitmap originalBitmap final LayoutParams layoutParams halvedImageView.getLayoutParams layoutParams.width.. getResources R.drawable.test originalImageView.setImageBitmap originalBitmap halvedImageView.setImageBitmap originalBitmap final LayoutParams layoutParams halvedImageView.getLayoutParams layoutParams.width originalBitmap.getWidth 2 layoutParams.height..
Android FingerPaint sample does not draw dot? http://stackoverflow.com/questions/17251416/android-fingerpaint-sample-does-not-draw-dot used Path to draw line is there any way to draw circle or point using path public class MyView extends View int bh originalBitmap.getHeight int bw originalBitmap.getWidth public MyView Context c int w int h super c mBitmap Bitmap.createBitmap w h Bitmap.Config.ARGB_8888.. any way to draw circle or point using path public class MyView extends View int bh originalBitmap.getHeight int bw originalBitmap.getWidth public MyView Context c int w int h super c mBitmap Bitmap.createBitmap w h Bitmap.Config.ARGB_8888 Bitmap mBitmap.. c int w int h super c mBitmap Bitmap.createBitmap w h Bitmap.Config.ARGB_8888 Bitmap mBitmap Bitmap.createScaledBitmap originalBitmap 200 200 true mCanvas new Canvas mBitmap mPath new Path mBitmapPaint new Paint Paint.DITHER_FLAG mBitmapPaint.setColor Color.YELLOW..
http://stackoverflow.com/questions/2618355/how-to-blit-in-android one bitmap into another is like this Rect src new Rect 0 0 50 50 Rect dst new Rect 50 50 200 200 canvas.drawBitmap originalBitmap src dst null That specifies that you want to copy the top left corner 50x50 of a bitmap and then stretch that into a 150x150..
http://stackoverflow.com/questions/3567312/android-drop-shadow-on-view Paint shadowPaint new Paint shadowPaint.setMaskFilter blurFilter int offsetXY new int 2 Bitmap shadowImage originalBitmap.extractAlpha shadowPaint offsetXY Might need to convert shadowImage from 8 bit to ARGB here can't remember. Canvas c new.. Might need to convert shadowImage from 8 bit to ARGB here can't remember. Canvas c new Canvas shadowImage c.drawBitmap originalBitmap offsetXY 0 offsetXY 1 null Then put shadowImage into your ImageView. If this image never changes but is display a lot you..
How to prevent Android's drawBitmap from only drawing black images? http://stackoverflow.com/questions/3580051/how-to-prevent-androids-drawbitmap-from-only-drawing-black-images Paint shadowPaint new Paint shadowPaint.setMaskFilter blurFilter int offsetXY new int 2 Bitmap originalBitmap BitmapFactory.decodeResource getResources R.drawable.pier_t Bitmap shadowImage originalBitmap.extractAlpha shadowPaint offsetXY.. new int 2 Bitmap originalBitmap BitmapFactory.decodeResource getResources R.drawable.pier_t Bitmap shadowImage originalBitmap.extractAlpha shadowPaint offsetXY Canvas c new Canvas shadowImage c.drawBitmap originalBitmap offsetXY 0 offsetXY 1 null.. Bitmap shadowImage originalBitmap.extractAlpha shadowPaint offsetXY Canvas c new Canvas shadowImage c.drawBitmap originalBitmap offsetXY 0 offsetXY 1 null imageView.setImageBitmap shadowImage UPDATE I implemented Josh's suggestion about copying over..
http://stackoverflow.com/questions/7320392/how-to-draw-text-on-image n .jpg File file new File myDir fname if file.exists file.delete try FileOutputStream out new FileOutputStream file originalBitmap.compress Bitmap.CompressFormat.JPEG 90 out out.flush out.close catch Exception e e.printStackTrace Xml code is.. FrameLayout.. file.exists file.delete try FileOutputStream out new FileOutputStream file NEWLY ADDED CODE Canvas canvas new Canvas originalBitmap Paint paint Paint paint.setColor Color.WHITE Text Color paint.setStrokeWidth 12 Text Size paint.setXfermode new PorterDuffXfermode.. new PorterDuffXfermode PorterDuff.Mode.SRC_OVER Text Overlapping Pattern some more settings... canvas.drawBitmap originalBitmap 0 0 paint canvas.drawText Testing... 10 10 paint NEWLY ADDED CODE originalBitmap.compress Bitmap.CompressFormat.JPEG 90..
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