/** Updates bitmaps for page meshes. */ private void updatePages() { Log.d("artbook", ">>>>>update page(s): " + Thread.currentThread()); if (mPageProvider == null || mPageBitmapWidth <= 0 || mPageBitmapHeight <= 0) { return; } // Remove meshes from renderer. mRenderer.removeCurlMesh(mPageLeft); mRenderer.removeCurlMesh(mPageRight); mRenderer.removeCurlMesh(mPageCurl); int leftIdx = mCurrentIndex - 1; int rightIdx = mCurrentIndex; int curlIdx = -1; if (mCurlState == CURL_LEFT) { curlIdx = leftIdx; --leftIdx; } else if (mCurlState == CURL_RIGHT) { curlIdx = rightIdx; ++rightIdx; } if (rightIdx >= 0 && rightIdx < mPageProvider.getPageCount()) { updatePage(mPageRight.getTexturePage(), rightIdx); mPageRight.setFlipTexture(false); mPageRight.setRect(mRenderer.getPageRect(CurlRenderer.PAGE_RIGHT)); mPageRight.reset(); mRenderer.addCurlMesh(mPageRight); } if (leftIdx >= 0 && leftIdx < mPageProvider.getPageCount()) { updatePage(mPageLeft.getTexturePage(), leftIdx); mPageLeft.setFlipTexture(true); mPageLeft.setRect(mRenderer.getPageRect(CurlRenderer.PAGE_LEFT)); mPageLeft.reset(); if (mRenderLeftPage) { mRenderer.addCurlMesh(mPageLeft); } } if (curlIdx >= 0 && curlIdx < mPageProvider.getPageCount()) { updatePage(mPageCurl.getTexturePage(), curlIdx); if (mCurlState == CURL_RIGHT) { mPageCurl.setFlipTexture(true); mPageCurl.setRect(mRenderer.getPageRect(CurlRenderer.PAGE_RIGHT)); } else { mPageCurl.setFlipTexture(false); mPageCurl.setRect(mRenderer.getPageRect(CurlRenderer.PAGE_LEFT)); } mPageCurl.reset(); mRenderer.addCurlMesh(mPageCurl); } }
/** Switches meshes and loads new bitmaps if available. Updated to support 2 pages in landscape */ private void startCurl(int page) { switch (page) { // Once right side page is curled, first right page is assigned into // curled page. And if there are more bitmaps available new bitmap is // loaded into right side mesh. case CURL_RIGHT: { // Remove meshes from renderer. mRenderer.removeCurlMesh(mPageLeft); mRenderer.removeCurlMesh(mPageRight); mRenderer.removeCurlMesh(mPageCurl); // We are curling right page. CurlMesh curl = mPageRight; mPageRight = mPageCurl; mPageCurl = curl; if (mCurrentIndex > 0) { mPageLeft.setFlipTexture(true); mPageLeft.setRect(mRenderer.getPageRect(CurlRenderer.PAGE_LEFT)); mPageLeft.reset(); if (mRenderLeftPage) { mRenderer.addCurlMesh(mPageLeft); } } if (mCurrentIndex < mPageProvider.getPageCount() - 1) { updatePage(mPageRight.getTexturePage(), mCurrentIndex + 1); mPageRight.setRect(mRenderer.getPageRect(CurlRenderer.PAGE_RIGHT)); mPageRight.setFlipTexture(false); mPageRight.reset(); mRenderer.addCurlMesh(mPageRight); } // Add curled page to renderer. mPageCurl.setRect(mRenderer.getPageRect(CurlRenderer.PAGE_RIGHT)); mPageCurl.setFlipTexture(false); mPageCurl.reset(); mRenderer.addCurlMesh(mPageCurl); mCurlState = CURL_RIGHT; break; } // On left side curl, left page is assigned to curled page. And if // there are more bitmaps available before currentIndex, new bitmap // is loaded into left page. case CURL_LEFT: { // Remove meshes from renderer. mRenderer.removeCurlMesh(mPageLeft); mRenderer.removeCurlMesh(mPageRight); mRenderer.removeCurlMesh(mPageCurl); // We are curling left page. CurlMesh curl = mPageLeft; mPageLeft = mPageCurl; mPageCurl = curl; if (mCurrentIndex > 1) { updatePage(mPageLeft.getTexturePage(), mCurrentIndex - 2); mPageLeft.setFlipTexture(true); mPageLeft.setRect(mRenderer.getPageRect(CurlRenderer.PAGE_LEFT)); mPageLeft.reset(); if (mRenderLeftPage) { mRenderer.addCurlMesh(mPageLeft); } } // If there is something to show on right page add it to renderer. if (mCurrentIndex < mPageProvider.getPageCount()) { mPageRight.setFlipTexture(false); mPageRight.setRect(mRenderer.getPageRect(CurlRenderer.PAGE_RIGHT)); mPageRight.reset(); mRenderer.addCurlMesh(mPageRight); } // How dragging previous page happens depends on view mode. if (mViewMode == SHOW_ONE_PAGE || (mCurlState == CURL_LEFT && mViewMode == SHOW_TWO_PAGES)) { mPageCurl.setRect(mRenderer.getPageRect(CurlRenderer.PAGE_RIGHT)); mPageCurl.setFlipTexture(false); } else { mPageCurl.setRect(mRenderer.getPageRect(CurlRenderer.PAGE_LEFT)); mPageCurl.setFlipTexture(true); } mPageCurl.reset(); mRenderer.addCurlMesh(mPageCurl); mCurlState = CURL_LEFT; break; } } }