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2014/10/16 ¤W¤È 08:11:42
android Programming Glossary: createscaledbitmapWhat does the filter parameter to createScaledBitmap do? http://stackoverflow.com/questions/2895065/what-does-the-filter-parameter-to-createscaledbitmap-do does the filter parameter to createScaledBitmap do The declaration of android.graphics.Bitmap.createScaledBitmap.. do The declaration of android.graphics.Bitmap.createScaledBitmap is public static Bitmap createScaledBitmap Bitmap src int dstWidth.. is public static Bitmap createScaledBitmap Bitmap src int dstWidth int dstHeight boolean filter However..
Quality problems when resizing an image at runtime http://stackoverflow.com/questions/4231817/quality-problems-when-resizing-an-image-at-runtime doing the actual scaling with Bitmap scaledBitmap Bitmap.createScaledBitmap sampledSrcBitmap desiredWidth desiredHeight false Lastly the.. issue linked above and looks terrible. If I skip the createScaledBitmap and just save the sampledSrcBitmap right back to disk there.. that resizing the bitmap using a Matrix instead of Bitmap.createScaledBitmap produced much crisper results. With those two solutions the..
Bad image quality after resizing/scaling bitmap http://stackoverflow.com/questions/4821488/bad-image-quality-after-resizing-scaling-bitmap whether through a matrix.postScale a matrix.preScale or a createScaledBitmap function they always come out pixelated and blurry. I know that.. if it doesn't already have one if image null image Bitmap.createScaledBitmap GameUtil.cardImages.get ID int GameUtil.standardCardSize.X..
Does “Bitmap.createScaledBitmap” convert an 32 bit image into 24 bit? http://stackoverflow.com/questions/6278992/does-bitmap-createscaledbitmap-convert-an-32-bit-image-into-24-bit &ldquo Bitmap.createScaledBitmap&rdquo convert an 32 bit image into 24 bit In my app I load.. SourceFileName options Then scale mBitmap Bitmap.createScaledBitmap mBitmap iW iH true If I use for scaling the same Width and Height.. share improve this question I looked up the method createScaledBitmap in the source for the Bitmap class Link public static Bitmap..
Android Reduce Size Of Camera Picture http://stackoverflow.com/questions/8757341/android-reduce-size-of-camera-picture myBitmap Something like this maybe Bitmap scaled Bitmap.createScaledBitmap bit 200 200 true Or Maybe this is the best way below So far.. save it in a file and then hold in memory a thumbnail createScaledBitmap is a fine solution. If your goal is to take a thumbnail ish..
What does the filter parameter to createScaledBitmap do? http://stackoverflow.com/questions/2895065/what-does-the-filter-parameter-to-createscaledbitmap-do does the filter parameter to createScaledBitmap do The declaration of android.graphics.Bitmap.createScaledBitmap is public static Bitmap createScaledBitmap Bitmap src.. does the filter parameter to createScaledBitmap do The declaration of android.graphics.Bitmap.createScaledBitmap is public static Bitmap createScaledBitmap Bitmap src int dstWidth int dstHeight boolean filter However the documentation.. to createScaledBitmap do The declaration of android.graphics.Bitmap.createScaledBitmap is public static Bitmap createScaledBitmap Bitmap src int dstWidth int dstHeight boolean filter However the documentation doesn't explain any of the parameters. All..
Quality problems when resizing an image at runtime http://stackoverflow.com/questions/4231817/quality-problems-when-resizing-an-image-at-runtime imageFilePathString options Then I am doing the actual scaling with Bitmap scaledBitmap Bitmap.createScaledBitmap sampledSrcBitmap desiredWidth desiredHeight false Lastly the new resized image is saved to disk with FileOutputStream out.. I pull that file off the disk and look at it it has that quality issue linked above and looks terrible. If I skip the createScaledBitmap and just save the sampledSrcBitmap right back to disk there is no problem it seems to only happen if the size changes. I.. of crisp. After some more experimentation I discovered that resizing the bitmap using a Matrix instead of Bitmap.createScaledBitmap produced much crisper results. With those two solutions the images are now resizing perfectly. Below is the code I am using..
Bad image quality after resizing/scaling bitmap http://stackoverflow.com/questions/4821488/bad-image-quality-after-resizing-scaling-bitmap . My problem is that no matter how I try and scale my images whether through a matrix.postScale a matrix.preScale or a createScaledBitmap function they always come out pixelated and blurry. I know that its the scaling thats causing the problem because the images.. class public void drawCard Canvas c retrieve the cards image if it doesn't already have one if image null image Bitmap.createScaledBitmap GameUtil.cardImages.get ID int GameUtil.standardCardSize.X scale int GameUtil.standardCardSize.Y scale false this code..
Does “Bitmap.createScaledBitmap” convert an 32 bit image into 24 bit? http://stackoverflow.com/questions/6278992/does-bitmap-createscaledbitmap-convert-an-32-bit-image-into-24-bit &ldquo Bitmap.createScaledBitmap&rdquo convert an 32 bit image into 24 bit In my app I load an image as 32 bit ARGB_8888 this way Bitmap.Config mBitmapConfig.. mBitmapConfig mBitmap BitmapFactory.decodeFile SourceFileName options Then scale mBitmap Bitmap.createScaledBitmap mBitmap iW iH true If I use for scaling the same Width and Height of the original bitmap it is 1 2 of the size in megabytes.. to scale bitmaps in 32 bit color space Thanks android bitmap share improve this question I looked up the method createScaledBitmap in the source for the Bitmap class Link public static Bitmap createScaledBitmap Bitmap src int dstWidth int dstHeight boolean..
Android Reduce Size Of Camera Picture http://stackoverflow.com/questions/8757341/android-reduce-size-of-camera-picture ImageView findViewById R.id.imagepunch myImage.setImageBitmap myBitmap Something like this maybe Bitmap scaled Bitmap.createScaledBitmap bit 200 200 true Or Maybe this is the best way below So far I have my app which is taking a picture and then using an Intent.. memory error . If your goal is to take a full resolution picture save it in a file and then hold in memory a thumbnail createScaledBitmap is a fine solution. If your goal is to take a thumbnail ish picture in the first place i.e. you do not need or want a full..
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