protected byte[] GetPagePixelsInternal(byte[] buffer, int pageIndex, int width, int height, float dpiX, float dpiY, bool forPrinting)
{
IntPtr bitmapHandle;
bitmapHandle = PdfiumDLL.FPDFBitmap_CreateEx(width, height, 4, buffer, width * 4);
PdfiumDLL.FPDFBitmap_FillRect(bitmapHandle, 0, 0, width, height, new FPDFColor(0xFFFFFFFF));
IntPtr pageHandle = PdfiumDLL.FPDF_LoadPage(documentHandle, pageIndex);
PdfiumDLL.FPDF_RenderPageBitmap(bitmapHandle, pageHandle, 0, 0, width, height, 0, 0);
PdfiumDLL.FPDF_ClosePage(pageHandle);
PdfiumDLL.FPDFBitmap_Destroy(bitmapHandle);
return(buffer);
}
public Bitmap GetPageImage(int pageIndex, int width, int height, float dpiX, float dpiY, bool forPrinting)
{
var bitmap = new Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
BitmapData bitmapData = bitmap.LockBits(
new Rectangle(0, 0, width, height), ImageLockMode.ReadWrite, bitmap.PixelFormat);
IntPtr bitmapHandle = PdfiumDLL.FPDFBitmap_CreateEx(width, height, 4, bitmapData.Scan0, width * 4);
PdfiumDLL.FPDFBitmap_FillRect(bitmapHandle, 0, 0, width, height, new FPDFColor(0xFFFFFFFF));
IntPtr pageHandle = PdfiumDLL.FPDF_LoadPage(documentHandle, pageIndex);
PdfiumDLL.FPDF_RenderPageBitmap(bitmapHandle, pageHandle, 0, 0, width, height, 0, 0);
PdfiumDLL.FPDF_ClosePage(pageHandle);
bitmap.UnlockBits(bitmapData);
PdfiumDLL.FPDFBitmap_Destroy(bitmapHandle);
return(bitmap);
}