public override void inflate(android.content.res.Resources r, org.xmlpull.v1.XmlPullParser
parser, android.util.AttributeSet attrs)
{
base.inflate(r, parser, attrs);
android.content.res.TypedArray a = r.obtainAttributes(attrs, [email protected].
styleable.NinePatchDrawable);
int id = a.getResourceId([email protected]_src, 0);
if (id == 0)
{
throw new org.xmlpull.v1.XmlPullParserException(parser.getPositionDescription() +
": <nine-patch> requires a valid src attribute");
}
bool dither = a.getBoolean([email protected]_dither
, DEFAULT_DITHER);
android.graphics.BitmapFactory.Options options = new android.graphics.BitmapFactory
.Options();
if (dither)
{
options.inDither = false;
}
options.inScreenDensity = android.util.DisplayMetrics.DENSITY_DEVICE;
android.graphics.Rect padding = new android.graphics.Rect();
android.graphics.Bitmap bitmap = null;
try
{
android.util.TypedValue value = new android.util.TypedValue();
java.io.InputStream @is = r.openRawResource(id, value);
bitmap = android.graphics.BitmapFactory.decodeResourceStream(r, value, @is, padding
, options);
@is.close();
}
catch (System.IO.IOException)
{
}
// Ignore
if (bitmap == null)
{
throw new org.xmlpull.v1.XmlPullParserException(parser.getPositionDescription() +
": <nine-patch> requires a valid src attribute");
}
else
{
if (bitmap.getNinePatchChunk() == null)
{
throw new org.xmlpull.v1.XmlPullParserException(parser.getPositionDescription() +
": <nine-patch> requires a valid 9-patch source image");
}
}
setNinePatchState(new android.graphics.drawable.NinePatchDrawable.NinePatchState(
new android.graphics.NinePatch(bitmap, bitmap.getNinePatchChunk(), "XML 9-patch"
), padding, dither), r);
mNinePatchState.mTargetDensity = mTargetDensity;
a.recycle();
}
private static android.graphics.Bitmap finishDecode(android.graphics.Bitmap bm, android.graphics.Rect
outPadding, android.graphics.BitmapFactory.Options opts)
{
if (bm == null || opts == null)
{
return(bm);
}
int density = opts.inDensity;
if (density == 0)
{
return(bm);
}
bm.setDensity(density);
int targetDensity = opts.inTargetDensity;
if (targetDensity == 0 || density == targetDensity || density == opts.inScreenDensity)
{
return(bm);
}
byte[] np = bm.getNinePatchChunk();
bool isNinePatch = np != null && android.graphics.NinePatch.isNinePatchChunk(np);
if (opts.inScaled || isNinePatch)
{
float scale = targetDensity / (float)density;
// TODO: This is very inefficient and should be done in native by Skia
android.graphics.Bitmap oldBitmap = bm;
bm = android.graphics.Bitmap.createScaledBitmap(oldBitmap, (int)(bm.getWidth() *
scale + 0.5f), (int)(bm.getHeight() * scale + 0.5f), true);
oldBitmap.recycle();
if (isNinePatch)
{
np = nativeScaleNinePatch(np, scale, outPadding);
bm.setNinePatchChunk(np);
}
bm.setDensity(targetDensity);
}
return(bm);
}