Beispiel #1
0
        /// <summary>
        /// Paint all the words in the box.
        /// </summary>
        /// <param name="g">the device to draw into</param>
        /// <param name="offset">the current scroll offset to offset the words</param>
        private void PaintWords(RGraphics g, RPoint offset)
        {
            if (Width.Length > 0)
            {
                var isRtl = Direction == CssConstants.Rtl;
                foreach (var word in Words)
                {
                    if (!word.IsLineBreak)
                    {
                        var wordPoint = new RPoint(word.Left + offset.X, word.Top + offset.Y);
                        if (word.Selected)
                        {
                            // handle paint selected word background and with partial word selection
                            var wordLine = DomUtils.GetCssLineBoxByWord(word);
                            var left = word.SelectedStartOffset > -1 ? word.SelectedStartOffset : (wordLine.Words[0] != word && word.HasSpaceBefore ? -ActualWordSpacing : 0);
                            var padWordRight = word.HasSpaceAfter && !wordLine.IsLastSelectedWord(word);
                            var width = word.SelectedEndOffset > -1 ? word.SelectedEndOffset : word.Width + (padWordRight ? ActualWordSpacing : 0);
                            var rect = new RRect(word.Left + offset.X + left, word.Top + offset.Y, width - left, wordLine.LineHeight);

                            g.DrawRectangle(GetSelectionBackBrush(g, false), rect.X, rect.Y, rect.Width, rect.Height);

                            if (HtmlContainer.SelectionForeColor != RColor.Empty && (word.SelectedStartOffset > 0 || word.SelectedEndIndexOffset > -1))
                            {
                                g.PushClipExclude(rect);
                                g.DrawString(word.Text, ActualFont, ActualColor, wordPoint, new RSize(word.Width, word.Height), isRtl);
                                g.PopClip();
                                g.PushClip(rect);
                                g.DrawString(word.Text, ActualFont, GetSelectionForeBrush(), wordPoint, new RSize(word.Width, word.Height), isRtl);
                                g.PopClip();
                            }
                            else
                            {
                                g.DrawString(word.Text, ActualFont, GetSelectionForeBrush(), wordPoint, new RSize(word.Width, word.Height), isRtl);
                            }
                        }
                        else
                        {
                            //                            g.DrawRectangle(HtmlContainer.Adapter.GetPen(RColor.Black), wordPoint.X, wordPoint.Y, word.Width - 1, word.Height - 1);
                            g.DrawString(word.Text, ActualFont, ActualColor, wordPoint, new RSize(word.Width, word.Height), isRtl);
                        }
                    }
                }
            }
        }