Merges closely aligned selections into single ones. Sometimes the words in PDF documents have widely spaced letters that show as multiple selections. If you specify a value other than zero for SelectionMerging, then selections that are less than that number PDF points apart will be merged into one
3
HighlightColor
The color of highlighted text when HighlightText is used
clTangerine ($00328EFE)
FormFieldColor
The color of all editable form fields when form editing is enabled
clElectricBlue ($00FE8E32)
FormFieldAlpha
The transparency of the form field color fill when form editing is enabled
// Don't draw annotations when rendering PDF files IEGlobalSettings().PdfViewerDefaults.Options := IEGlobalSettings().PdfViewerDefaults.Options - [iepoAnnotations];
// Highlight form fields with yellow fill IEGlobalSettings().PdfViewerDefaults.FormFieldColor := clYellow; IEGlobalSettings().PdfViewerDefaults.FormFieldAlpha := 50; ImageEnView1.PDFViewer.Update;
// Do not highlight form fields IEGlobalSettings().PdfViewerDefaults.FormFieldAlpha := 0; ImageEnView1.PDFViewer.Update;
// Update selection color IEGlobalSettings().PdfViewerDefaults.SelectionColor := clRed; ImageEnView1.Update();
// When rendering PDF files adjust for screen DPI // This is the default, and the typical display size of PDF documents IEGlobalSettings().PdfViewerDefaults.DPI := Screen.PixelsPerInch; // or Form.CurrentPPI ImageEnView1.IO.LoadFromFilePDF( 'C:\Test.pdf' );
// When rendering PDF files show at standard PDF size IEGlobalSettings().PdfViewerDefaults.DPI := 72; // PDF files are 72 DPI ImageEnView1.IO.LoadFromFilePDF( 'C:\Test.pdf' );
// When rendering PDF files scale to double size IEGlobalSettings().PdfViewerDefaults.DPI := 144; // PDF files are 72 DPI, so 144 is 200% size ImageEnView1.IO.LoadFromFilePDF( 'C:\Test.pdf' );
// Do not show very close selections as a single selection IEGlobalSettings().PdfViewerDefaults.SelectionMerging := 0; ImageEnView1.Update();
// Save all pages of a PDF file to PNG filename := 'C:\doc.pdf'; outputFolder := 'D:\'; IEGlobalSettings().PdfViewerDefaults.DPI := 144; // PDF files are 72 DPI, so 144 is 200% size bmp := TIEBitmap.Create; bmp.ParamsEnabled := True; idx := 0; Repeat bmp.Params.ImageIndex := idx; bmp.LoadFromFile( filename ); bmp.SaveToFile( IncludeTrailingBackSlash( outputFolder ) + format( '%s_%d.png', [ ExtractFilename( filename ), idx+1 ] )); inc( idx ); Until idx > bmp.Params.ImageCount - 1; bmp.Free;