PhoenixHeader.java 文件源码

private void drawSky(Canvas canvas, int width, int height) {
        Matrix matrix = mMatrix;
        matrix.reset();

        int bWidth = mDrawableSky.width();//mSky.getWidth();
        int bHeight = mDrawableSky.height();//mSky.getHeight();
        float townScale = 1f * width / bWidth;
        float offsetx = 0;
        float offsety = height / 2 - bHeight / 2;

//        matrix.postScale(townScale, townScale);
//        matrix.postTranslate(offsetx, offsety);
//
//        canvas.drawBitmap(mSky, matrix, null);

        final int saveCount = canvas.getSaveCount();
        canvas.save();
        canvas.translate(offsetx, offsety);
        matrix.postScale(townScale, townScale);
        mDrawableSky.draw(canvas);
        canvas.restoreToCount(saveCount);
    }