public static IEnumerator UpdatePageWithExistingTexture(PDFDocument document, int pageIndex, Texture2D existingTexture, PDFPageTextureHolder[] pageTextureHolderList)
{
PDFJS_Promise <PDFPage> pagePromise = document.GetPageAsync(pageIndex);
while (!pagePromise.HasFinished)
{
yield return(null);
}
if (pagePromise.HasSucceeded)
{
PDFJS_Promise <Texture2D> renderPromise = PDFRenderer.RenderPageToExistingTextureAsync(pagePromise.Result, existingTexture);
pageTextureHolderList[pageIndex].m_RenderingPromise = renderPromise;
while (!renderPromise.HasFinished)
{
yield return(null);
}
pageTextureHolderList[pageIndex].m_RenderingPromise = null;
pageTextureHolderList[pageIndex].m_RenderingStarted = false;
if (renderPromise.HasSucceeded)
{
if (pageTextureHolderList[pageIndex].Texture != null &&
pageTextureHolderList[pageIndex].Texture != renderPromise.Result)
{
UnityEngine.Object.DestroyImmediate(pageTextureHolderList[pageIndex].Texture);
Resources.UnloadAsset(pageTextureHolderList[pageIndex].Texture);
pageTextureHolderList[pageIndex].Texture = null;
}
if (pageTextureHolderList[pageIndex].m_Visible)
{
pageTextureHolderList[pageIndex].Texture = renderPromise.Result;
}
else
{
UnityEngine.Object.DestroyImmediate(renderPromise.Result);
Resources.UnloadAsset(renderPromise.Result);
renderPromise.Result = null;
}
}
}
else
{
pageTextureHolderList[pageIndex].m_RenderingPromise = null;
pageTextureHolderList[pageIndex].m_RenderingStarted = false;
}
}
