ADOQuery2.Active := false;
ADOQuery2.Parameters.ParamByName('dphao').value := fhno.Fields[0].AsString;
ADOQuery2.Active := true;
bmp := tbitmap.create;
BlobStream := TADOBlobStream.Create(TBlobField(ADOQuery2.Fields[0]), bmRead);
bmp.LoadFromStream(BlobStream);
printer.Canvas.StretchDraw(Rect(4200, 2700, 3600, 2400), bmp);
printer.EndDoc;
bmp.Free;这些代码是我从数据库里提出图片然后打印出来的,但是图片却倒过来了
怎样把它翻转过来
ADOQuery2.Parameters.ParamByName('dphao').value := fhno.Fields[0].AsString;
ADOQuery2.Active := true;
bmp := tbitmap.create;
BlobStream := TADOBlobStream.Create(TBlobField(ADOQuery2.Fields[0]), bmRead);
bmp.LoadFromStream(BlobStream);
printer.Canvas.StretchDraw(Rect(4200, 2700, 3600, 2400), bmp);
printer.EndDoc;
bmp.Free;这些代码是我从数据库里提出图片然后打印出来的,但是图片却倒过来了
怎样把它翻转过来
var
bmp:TBitmap;
i, j: integer;
c: TColor;
begin
bmp := image1.Picture.Bitmap;
for i := 0 to bmp.Width - 1 do
begin
for j := 0 to bmp.Height div 2 do
begin
c := bmp.Canvas.Pixels[i, j];
bmp.Canvas.Pixels[i, j] := bmp.Canvas.Pixels[i, bmp.Height - j - 1];
bmp.Canvas.Pixels[i, bmp.Height - j - 1] := c;
end;
end;
end;