/** Recalculates page rectangles. */
private void updatePageRects() {
if (mViewRect.width() == 0 || mViewRect.height() == 0) {
return;
} else if (mViewMode == SHOW_ONE_PAGE) {
mPageRectRight.set(mViewRect);
mPageRectRight.left += mViewRect.width() * mMargins.left;
mPageRectRight.right -= mViewRect.width() * mMargins.right;
mPageRectRight.top += mViewRect.height() * mMargins.top;
mPageRectRight.bottom -= mViewRect.height() * mMargins.bottom;
mPageRectLeft.set(mPageRectRight);
mPageRectLeft.offset(-mPageRectRight.width(), 0);
int bitmapW = (int) ((mPageRectRight.width() * mViewportWidth) / mViewRect.width());
int bitmapH = (int) ((mPageRectRight.height() * mViewportHeight) / mViewRect.height());
mObserver.onPageSizeChanged(bitmapW, bitmapH);
} else if (mViewMode == SHOW_TWO_PAGES) {
mPageRectRight.set(mViewRect);
mPageRectRight.left += mViewRect.width() * mMargins.left;
mPageRectRight.right -= mViewRect.width() * mMargins.right;
mPageRectRight.top += mViewRect.height() * mMargins.top;
mPageRectRight.bottom -= mViewRect.height() * mMargins.bottom;
mPageRectLeft.set(mPageRectRight);
mPageRectLeft.right = (mPageRectLeft.right + mPageRectLeft.left) / 2;
mPageRectRight.left = mPageRectLeft.right;
int bitmapW = (int) ((mPageRectRight.width() * mViewportWidth) / mViewRect.width());
int bitmapH = (int) ((mPageRectRight.height() * mViewportHeight) / mViewRect.height());
mObserver.onPageSizeChanged(bitmapW, bitmapH);
}
}
