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public interface RenderingEventListenerInterface for listening to rendering events in a PDF previewer.
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Method Summary
Modifier and Type Method Description abstract UnitonPageRendered(Integer pageNumber)Called when a specific page in the PDF document has been rendered. abstract UnitonPageFailedToRender(PageRenderingException pageRenderingException)Called when a specific page in the PDF document has failed to render. abstract UnitonDrawPage(Canvas canvas, Float pageWidth, Float pageHeight, Integer displayedPage)This method is called when the PDFView is drawing its view. -
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Method Detail
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onPageRendered
@MainThread() abstract Unit onPageRendered(Integer pageNumber)
Called when a specific page in the PDF document has been rendered.
- Parameters:
pageNumber- The page number that has been rendered.
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onPageFailedToRender
@MainThread() abstract Unit onPageFailedToRender(PageRenderingException pageRenderingException)
Called when a specific page in the PDF document has failed to render.
- Parameters:
pageRenderingException- The {@link PageRenderingException} that caused the page to fail to render.
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onDrawPage
@MainThread() abstract Unit onDrawPage(Canvas canvas, Float pageWidth, Float pageHeight, Integer displayedPage)
This method is called when the PDFView is drawing its view.
<p> The page is starting at (0,0).- Parameters:
canvas- The canvas on which to draw things.pageWidth- The width of the current page.pageHeight- The height of the current page.displayedPage- The current page index.
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