Background images are cleared. Items-images are deleted. Images-markers are converted to text.
This procedure is not undoable.
Code: Select all
// Deleting all images in the document (RVData), including nested documents
// (table cells, notes and text boxes)
procedure DeleteImagesFromRVData(RVData: TCustomRVData);
var
i, r, c: Integer;
Item, NextItem: TCustomRVItemInfo;
Table: TRVTableItemInfo;
begin
for i := RVData.ItemCount - 1 downto 0 do
begin
Item := RVData.GetItem(i);
// if this is an image item, deleting it
if (Item is TRVGraphicItemInfo) or (Item is TRVBulletItemInfo) then
begin
// if the image starts a line, make the next item start a line
if RVData.IsFromNewLine(i) and (i + 1 <> RVData.ItemCount) then
begin
NextItem := RVData.GetItem(i + 1);
if not RVData.IsFromNewLine(i + 1) then
begin
NextItem.SameAsPrev := False;
NextItem.PageBreakBefore := Item.PageBreakBefore;
NextItem.BR := Item.BR;
end;
end;
// deleting
RVData.DeleteItems(i, 1);
// if it was the only item after a list marker, adding an empty text
// item instead (possible improvement: using some smarter code to
// calculate StyleNo for the added line; now we just use TextStyles[0])
if (i > 0) and (RVData.GetItemStyle(i - 1) = rvsListMarker) and
RVData.IsFromNewLine(i) then
RVData.AddNL('', 0);
end
// if this is a note or a text box, deleting images from its document
else if Item is TCustomRVNoteItemInfo then
DeleteImagesFromRVData(TCustomRVNoteItemInfo(Item).Document)
// if this is a table...
else if Item is TRVTableItemInfo then
begin
Table := TRVTableItemInfo(Item);
// deleting its background image
Table.BackgroundImage := nil;
Table.BackgroundStyle := rvbsColor;
// processing cells
for r := 0 to Table.RowCount - 1 do
for c := 0 to Table.ColCount - 1 do
if Table.Cells[r, c] <> nil then
begin
// deleting cell background image
Table.Cells[r, c].BackgroundImage := nil;
Table.Cells[r, c].BackgroundStyle := rvbsColor;
// deleting images in cell content
DeleteImagesFromRVData(Table.Cells[r, c].GetRVData);
end;
end;
end;
end;
// Deleting all images from paragraph lists
procedure DeleteImagesFromListStyles(ListStyles: TRVListInfos);
var
i, j: Integer;
Level: TRVListLevel;
begin
for i := 0 to ListStyles.Count - 1 do
for j := 0 to ListStyles[i].Levels.Count - 1 do
begin
Level := ListStyles[i].Levels[j];
case Level.ListType of
rvlstPicture,
rvlstImageList:
begin
// converting bullets from images to text
Level.ListType := rvlstBullet;
Level.Font.Name := 'Symbol';
Level.Font.Charset := SYMBOL_CHARSET;
Level.Font.Size := 12;
Level.FormatString := UNI_MIDDLEDOT;
end;
rvlstImageListCounter:
begin
// converting numbering from images to text
Level.ListType := rvlstDecimal;
Level.Font.Name := 'Arial';
Level.Font.Charset := DEFAULT_CHARSET;
Level.Font.Size := 10;
Level.FormatString := '%' + IntToStr(j) + ':s.';
end;
end;
end;
end;
// Deleting all images in rv
procedure DeleteAllImages(rv: TCustomRichView);
begin
rv.BackgroundBitmap := nil;
rv.BackgroundStyle := bsNoBitmap;
DeleteImagesFromListStyles(rv.Style.ListStyles);
DeleteImagesFromRVData(rv.RVData);
rv.RefreshListMarkers;
if rv is TCustomRichViewEdit then
TCustomRichViewEdit(rv).ClearUndo;
end;How to call:
Code: Select all
procedure DeleteAllImages(RichViewEdit1);
RichViewEdit1.Format;