public synchronized Bitmap updatePage(
BitmapHolder h,
int page,
int pageW,
int pageH,
int patchX,
int patchY,
int patchW,
int patchH) {
Bitmap bm = null;
Bitmap old_bm = h.getBm();
h.setBm(null);
if (old_bm != null) bm = old_bm.copy(Bitmap.Config.ARGB_8888, false);
old_bm = null;
if (bm != null) {
updatePageInternal(bm, page, pageW, pageH, patchX, patchY, patchW, patchH);
} else {
bm = Bitmap.createBitmap(patchW, patchH, Config.ARGB_8888);
gotoPage(page);
drawPage(bm, pageW, pageH, patchX, patchY, patchW, patchH);
}
return bm;
}
