Java Bitmap.getNinePatchChunk方法代码示例

import android.graphics.Bitmap; //导入方法依赖的package包/类
private Drawable a(String str, Context context) {
    IOException e;
    Drawable createFromStream;
    try {
        InputStream open = context.getApplicationContext().getAssets().open(str);
        if (open == null) {
            return null;
        }
        if (str.endsWith(".9.png")) {
            Bitmap decodeStream = BitmapFactory.decodeStream(open);
            if (decodeStream == null) {
                return null;
            }
            byte[] ninePatchChunk = decodeStream.getNinePatchChunk();
            NinePatch.isNinePatchChunk(ninePatchChunk);
            return new NinePatchDrawable(decodeStream, ninePatchChunk, new Rect(), null);
        }
        createFromStream = Drawable.createFromStream(open, str);
        try {
            open.close();
            return createFromStream;
        } catch (IOException e2) {
            e = e2;
            e.printStackTrace();
            return createFromStream;
        }
    } catch (IOException e3) {
        IOException iOException = e3;
        createFromStream = null;
        e = iOException;
        e.printStackTrace();
        return createFromStream;
    }
}
 

import android.graphics.Bitmap; //导入方法依赖的package包/类
private Drawable a(String str, Context context) {
    Drawable createFromStream;
    IOException e;
    try {
        InputStream open = context.getApplicationContext().getAssets().open(str);
        if (open == null) {
            return null;
        }
        if (str.endsWith(".9.png")) {
            Bitmap decodeStream = BitmapFactory.decodeStream(open);
            if (decodeStream == null) {
                return null;
            }
            byte[] ninePatchChunk = decodeStream.getNinePatchChunk();
            NinePatch.isNinePatchChunk(ninePatchChunk);
            return new NinePatchDrawable(decodeStream, ninePatchChunk, new Rect(), null);
        }
        createFromStream = Drawable.createFromStream(open, str);
        try {
            open.close();
            return createFromStream;
        } catch (IOException e2) {
            e = e2;
            e.printStackTrace();
            return createFromStream;
        }
    } catch (IOException e3) {
        IOException iOException = e3;
        createFromStream = null;
        e = iOException;
        e.printStackTrace();
        return createFromStream;
    }
}
 

import android.graphics.Bitmap; //导入方法依赖的package包/类
public ArtworkFactory( Context context, int width, int height) {

		mContext = context;
		mRes = mContext.getResources();
		mContentResolver =  context.getContentResolver();
		mLayoutInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

		mWidth = width;
		mHeight = height;

        mContentLabelFontsize = mRes.getDimension(R.dimen.ContentLabel_fontsize);

		mBitmapOptions = new BitmapFactory.Options();
		// RGB565 is OK for the artwork, 888 will be needed only when we add the shadow
		// Also no need for dithering. OpenGL will do a good job at displaying it without.
		//TODO: check if using ARGB888 is not faster since it will be converted after anyway
		mBitmapOptions.inPreferredConfig = Bitmap.Config.RGB_565;
		mBitmapOptions.inDither = ARTWORK_BITMAP_DITHERING;
		mBitmapOptions.inSampleSize = 1; // no sub-sampling
		mBitmapOptions.inJustDecodeBounds = false;

		// Prepare a painter and enable filtering if showing large bitmaps to avoid ugly rendering of the rescaled bitmap
		mPaint = new Paint();
		mPaint.setFilterBitmap(ARTWORK_BITMAP_FILTERING);
		mPaint.setDither(ARTWORK_BITMAP_DITHERING);

		// ======== Now prepare the shadow stuff =========

		// Create the destination bitmap and associate a canvas to it
		// Require ARGB for the shadow effect
		mShadowBitmap = Bitmap.createBitmap(mWidth, mHeight, Bitmap.Config.ARGB_8888 );
		mShadowBitmap.eraseColor(Color.TRANSPARENT);
		mCanvas = new Canvas(mShadowBitmap);

		// Decode the shadow bitmap
		int shadowId = ArchosFeatures.isAndroidTV(mContext)|| ArchosFeatures.isLUDO()?R.drawable.cover_shadow_512:(mWidth==128) ? R.drawable.cover_shadow_128 : R.drawable.cover_shadow_256;
		InputStream is = context.getResources().openRawResource(shadowId);
		mShadow9patchPadding = new Rect();

		// We must use this version of "decode" in order to get the nine-patch padding
		Bitmap shadowNinePatchBitmap = BitmapFactory.decodeStream(is, mShadow9patchPadding, null);
		try {
			is.close();
		} catch (IOException e) {}
		mShadow9patch = new NinePatch(shadowNinePatchBitmap, shadowNinePatchBitmap.getNinePatchChunk(), null);
	}
 

import android.graphics.Bitmap; //导入方法依赖的package包/类
/**
 * 绘制 9Path
 * @param c
 * @param bmp
 * @param rect
 */
public void drawNinePath(Canvas c, Bitmap bmp, Rect rect){
    NinePatch patch = new NinePatch(bmp, bmp.getNinePatchChunk(), null);
    patch.draw(c, rect);
}