Exemple #1
0
        /// <summary>
        /// Paints the background of the box
        /// </summary>
        /// <param name="g">the device to draw into</param>
        /// <param name="rect">the bounding rectangle to draw in</param>
        /// <param name="isFirst">is it the first rectangle of the element</param>
        /// <param name="isLast">is it the last rectangle of the element</param>
        protected void PaintBackground(RGraphics g, RRect rect, bool isFirst, bool isLast)
        {
            if (rect.Width > 0 && rect.Height > 0)
            {
                RBrush brush = null;

                if (BackgroundGradient != CssConstants.None)
                {
                    brush = g.GetLinearGradientBrush(rect, ActualBackgroundColor, ActualBackgroundGradient, ActualBackgroundGradientAngle);
                }
                else if (RenderUtils.IsColorVisible(ActualBackgroundColor))
                {
                    brush = g.GetSolidBrush(ActualBackgroundColor);
                }

                if (brush != null)
                {
                    // TODO:a handle it correctly (tables background)
                    // if (isLast)
                    //  rectangle.Width -= ActualWordSpacing + CssUtils.GetWordEndWhitespace(ActualFont);

                    RGraphicsPath roundrect = null;
                    if (IsRounded)
                    {
                        roundrect = RenderUtils.GetRoundRect(g, rect, ActualCornerNw, ActualCornerNe, ActualCornerSe, ActualCornerSw);
                    }

                    Object prevMode = null;
                    if (HtmlContainer != null && !HtmlContainer.AvoidGeometryAntialias && IsRounded)
                    {
                        prevMode = g.SetAntiAliasSmoothingMode();
                    }

                    if (roundrect != null)
                    {
                        g.DrawPath(brush, roundrect);
                    }
                    else
                    {
                        g.DrawRectangle(brush, Math.Ceiling(rect.X), Math.Ceiling(rect.Y), rect.Width, rect.Height);
                    }

                    g.ReturnPreviousSmoothingMode(prevMode);

                    if (roundrect != null)
                        roundrect.Dispose();
                    brush.Dispose();
                }

                if (_imageLoadHandler != null && _imageLoadHandler.Image != null && isFirst)
                {
                    BackgroundImageDrawHandler.DrawBackgroundImage(g, this, _imageLoadHandler, rect);
                }
            }
        }
        /// <summary>
        /// Draw specific border (top/bottom/left/right) with the box data (style/width/rounded).<br/>
        /// </summary>
        /// <param name="border">desired border to draw</param>
        /// <param name="box">the box to draw its borders, contain the borders data</param>
        /// <param name="g">the device to draw into</param>
        /// <param name="rect">the rectangle the border is enclosing</param>
        /// <param name="isLineStart">Specifies if the border is for a starting line (no bevel on left)</param>
        /// <param name="isLineEnd">Specifies if the border is for an ending line (no bevel on right)</param>
        private static void DrawBorder(Border border, CssBox box, RGraphics g, RRect rect, bool isLineStart, bool isLineEnd)
        {
            var style = GetStyle(border, box);
            var color = GetColor(border, box, style);

            var borderPath = GetRoundedBorderPath(g, border, box, rect);
            if (borderPath != null)
            {
                // rounded border need special path
                Object prevMode = null;
                if (box.HtmlContainer != null && !box.HtmlContainer.AvoidGeometryAntialias && box.IsRounded)
                    prevMode = g.SetAntiAliasSmoothingMode();

                var pen = GetPen(g, style, color, GetWidth(border, box));
                using (borderPath)
                    g.DrawPath(pen, borderPath);

                g.ReturnPreviousSmoothingMode(prevMode);
            }
            else
            {
                // non rounded border
                if (style == CssConstants.Inset || style == CssConstants.Outset)
                {
                    // inset/outset border needs special rectangle
                    SetInOutsetRectanglePoints(border, box, rect, isLineStart, isLineEnd);
                    g.DrawPolygon(g.GetSolidBrush(color), _borderPts);
                }
                else
                {
                    // solid/dotted/dashed border draw as simple line
                    var pen = GetPen(g, style, color, GetWidth(border, box));
                    switch (border)
                    {
                        case Border.Top:
                            g.DrawLine(pen, Math.Ceiling(rect.Left), rect.Top + box.ActualBorderTopWidth / 2, rect.Right - 1, rect.Top + box.ActualBorderTopWidth / 2);
                            break;
                        case Border.Left:
                            g.DrawLine(pen, rect.Left + box.ActualBorderLeftWidth / 2, Math.Ceiling(rect.Top), rect.Left + box.ActualBorderLeftWidth / 2, Math.Floor(rect.Bottom));
                            break;
                        case Border.Bottom:
                            g.DrawLine(pen, Math.Ceiling(rect.Left), rect.Bottom - box.ActualBorderBottomWidth / 2, rect.Right - 1, rect.Bottom - box.ActualBorderBottomWidth / 2);
                            break;
                        case Border.Right:
                            g.DrawLine(pen, rect.Right - box.ActualBorderRightWidth / 2, Math.Ceiling(rect.Top), rect.Right - box.ActualBorderRightWidth / 2, Math.Floor(rect.Bottom));
                            break;
                    }
                }
            }
        }
        /// <summary>
        /// Draw play over the iframe if we found link url.
        /// </summary>
        private void DrawPlay(RGraphics g, RRect rect)
        {
            if (_isVideo && _imageWord.Width > 70 && _imageWord.Height > 50)
            {
                var prevMode = g.SetAntiAliasSmoothingMode();

                var size = new RSize(60, 40);
                var left = rect.Left + (rect.Width - size.Width) / 2;
                var top = rect.Top + (rect.Height - size.Height) / 2;
                g.DrawRectangle(g.GetSolidBrush(RColor.FromArgb(160, 0, 0, 0)), left, top, size.Width, size.Height);

                RPoint[] points =
                {
                    new RPoint(left + size.Width / 3f + 1,top + 3 * size.Height / 4f),
                    new RPoint(left + size.Width / 3f + 1, top + size.Height / 4f),
                    new RPoint(left + 2 * size.Width / 3f + 1, top + size.Height / 2f)
                };
                g.DrawPolygon(g.GetSolidBrush(RColor.White), points);

                g.ReturnPreviousSmoothingMode(prevMode);
            }
        }